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TALKS

Contributed Talks follow the list of Invited Talks below.


INVITED PRESENTATIONS, KEYNOTE SPEECHES, SPECIAL LECTURES (SELECT LIST)
(For Contributed Talks, click here)

    2022

  1. Juno: What’s up with water? with J. I. Lunine, S. Bolton, R. Helled, S. Levin, N. Nettelmann, Invited Talk, COSPAR General Assembly, Athens, Greece, July 2022.

  2. In Situ Measurements of the Chemical and Isotopic Composition of Jupiter with the Galileo Probe Mass Spectrometer, and Prospects for the other Giant Planets, with P. R. Mahaffy, M. H. Wong, Invited Talk, In Situ Exploration of the Giant Planets Workshop II, Applied Physics Laboratory (APL-JHU), MD, July 2022.


    3. 2021

  3. The Role of Disequilibrium Chemistry in the Habitability of Mars, Invited Talk, S. K. Atreya, P. R. Mahaffy, C. R. Webster, C. A. Malespin, M. G. Trainer, M. H. Wong, R. Kaiser, Pacifichem Conference, Chemical Approaches to Astrobiology Session, December 2021.

  4. Juno's Insights on the Origin and Evolution of Jupiter, Invited Talk, with J. I. Lunine, R. Helled, S. Bolton, D. W. Folkner, Durante, T. Guillot, L. Iess, S. Levin, C. Li, Y. Miguel, B. Militzer, M. Parisi, R. Park, D. Stevenson, D. Turrini, S. Wahl, American Geophysical Union Meeting, New Orleans, LA, December 2021.

  5. The Internal Structure of Vortices on Jupiter as Observed by the Juno Microwave Radiometer, Invited Talk, with C. Li, L. Fletcher, T. Guillot, S. Bolton, M. D. Allison, G. Bjoraker, E. Galanti, A. Ingersoll. M. Janssen, Y. Kaspi, S. Levin,, L. Li, G. Orton, F. Oyafuso, P. Steffes, M. H. Wong, Z. Zhang, American Geophysical Union Meeting, New Orleans, LA, December 2021.

  6. The DAVINCI Mission to Venus and Connections to Venus Habitability, Invited Talk, with G. N. Arney, J. Garvin, S. Getty, M. Gilmore, D. Grinspoon, A. G. Hofmann, N. Izenberg, W. Kiefer, R. Lorenz, C. A. Malespin, M. Ravine, M. G. Trainer, C. R. Webster, K. Zahnle, Venera-D: Venus Cloud Habitability System Workshop, November 2021.

  7. Then and Now: How Juno has Challenged our Understanding of the Composition and Structure of Jupiter’s Atmosphere, Invited Colloquium, S. K. Atreya, Lockheed Martin, May 2021.

  8. Unexpected Seasonal Increase in Oxygen on Mars: Possible Role of Coupled Surface–Atmosphere Processes, Invited Talk, S. K. Atreya, M. G. Trainer, P. R. Mahaffy, M. H. Wong, C. R. Webster, Committee on Space Research (COSPAR) 43rd General Assembly, Sydney, Australia, January 2021.


    9. 2020

  9. The Mystery of Unexpected Seasonal Rise in Oxygen on Mars, Invited Talk, S. K. Atreya, M. G. Trainer, P. R. Mahaffy, M. H. Wong, Japan Geoscience Union – American Geophysical Union (JpGU-AGU) Joint Meeting, July 2020.

  10. Exploration of the Ice Giant Planet Systems, S. K. Atreya, Panelist (together with A. Coustenis, K. Reh, and E. Turtle), Ice Giants System Meeting, Royal Society, London, UK, January 2020.


    11. 2019

  11. Al Seiff Award Lecture - in situ, forever, S. K. Atreya, International Planetary Probe Workshop (IPPW), Oxford, UK, July 2019.

  12. Formation of the Giant Planets from Comparative Planetology and In Situ Exploration, S. K. Atreya, Invited Lectures, Short Course, International Planetary Probe Workshop (IPPW) Oxford, UK, July 2019.

  13. "Habitability of Modern and Ancient Mars: Methane on Mars"; Panel Discussion, S. K. Atreya, C. R. Webster, J. Moores, K. Zahnle, S. Viscardy, R, Novak, The Ninth International Conference on Mars, Pasadena, California, July 2019.

  14. Icy Giant Planets: The Missing Pieces of the Outer Solar System Formation Puzzle, S. K. Atreya, Invited Union Symposium Lecture, 27th International Union of Geodesy and Geophysics (IUGG) General Assembly, Montreal, Canada, July 2019.

  15. Jupiter and Saturn, Invited Union Symposium Lecture, with S. Bolton, J. Connerney, S. Levin, D. Stevenson, J. Bloxham, W. Folkner, T. Guillot, W. Hubbard, L. Iess, Y. Kaspi, J. Lunine, B. Militzer, S. Wahl, A. Ingersoll, M. Janssen, C. Li, G. Orton, H. Waite, B. Mauk, F. Bagenal, G. Hospodarsky, W. Kurth, 27th International Union of Geodesy and Geophysics (IUGG) General Assembly, Montreal, Canada, July 2019.

  16. Icy Giant Planet Exploration, Invited Talk, S. K. Atreya M. D. Hofstadter, A. Simon, K. R. Reh, O. Mousis, and K. Soderlund, Japan Geoscience Union (JpGU) Meeting, Tokyo-Makuhari Messe, Japan, May 2019.

  17. Microwave Observations of the Giant Planets - Cassini/Radar and Juno/MWR, Invited Talk, with C. Li, V. Adumitroaie, J. Arballo, S. Bolton, A. Ingersoll, et al., Japan Geoscience Union (JpGU) Meeting, Tokyo-Makuhari Messe, Japan, May 2019.

  18. Latest results from the Juno MWR Instrument, Invited Talk, with S. Levin, M. Janssen, S. Bolton, J. Connerney, V. Adumitroaie, et al., European Geoscience Union Meeting (EGU), Vienna, Austria, April 2019.

  19. Exploration Of Uranus and Neptune: Looking Into the Past and Towards the Future of Ice Giant Planets, with K. M. Soderlund, M. D. Hofstadter, A. Simon, D. Banfield, et al., Invited Talk, Special Symposium on 50 Years of Planetary Science, 50th Lunar and Planetary Science Conference, Abstract 1669.pdf, Woodland TX, March 2019.

  20. Composition, Structure, Origin, and Entry Probes, S. K. Atreya, Invited Talk, In Situ Exploration of the Ice Giants Workshop, Marseille, France, February 2019.

  21. Formation of the Icy Giant Planets: In Situ Exploration, S. K. Atreya, Invited Colloquium Speaker, Physical Research Laboratory, Indian Department of Space, Ahmedabad, India, January 2019.


    22. 2018

  22. Astrobiology Science Strategy for the Search for Life in the Universe, Invited Talk, with B. Sherwood Lollar, A. P. Boss, P. G. Falkowski, J. D. Farmer, O. Guyon, G. F. Joyce, J. F. Kasting, V. S. Meadows, P. M. Neches, C. B. Pilcher, N. O. Renno, K. L. Rogers, B. E. Schmidt, R. Summons, F. Westall, S. A. Wright, et al., American Geophysical Union Meeting, Washington DC, December 2018.

  23. Seasonal Variation of Mars Methane Background Indicates That Gale Crater May Be A Containment Region for Local Microseepage. Invited Talk, with C. R. Webster, P. R. Mahaffy, J. E. Moores, J. Pla-Garcia, S. C. R. Rafkin, et al., American Geophysical Union Meeting, Washington DC, December 2018.

  24. Microwave Observations of Jupiter's Atmosphere from 1 bar to 200 bars, Invited Talk, with C. Li, F. Oyafuso, S. Brown, V.Adumitroaie, J. Arballo, S. Brown, S. Gulkis, S. Levin, S. Bolton, et al., American Geophysical Union Meeting, Washington DC, December 2018.

  25. Towards Improved Simulations of The Jovian Synchrotron Radiation Belts As Seen by Juno's MWR, Invited Talk, with V. Aduitroaie, J. Arballo, S. Brown, S. Gulkis, S. Levin, M. Janssen, G. Orton, F. Oyafuso, C. Li, A. Ingersoll, M. Allison, J. Connerney, P. Steffes, S. J. Bolton, D. Santos-Costa, et al., American Geophysical Union Meeting, Washington DC, December 2018.

  26. Microwave Sounding of Saturn and Uranus: Comparing Gas- and Ice-Giant Planets, Invited Talk, with M. Hofstadter, V. Adumitroaie, B. Butler, Division of Planetary Sciences Annual Meeting, Knoxville, TN, October 2018.

  27. From Galileo to Juno: An Atmospheric Composition Perspective, Invited Talk, S. K. Atreya, A. Adriani, S. Bolton, C. Li, T. Guillot, M. Janssen, S. Levin, J. Lunine, G. Orton, 42nd COSPAR General Assembly, Pasadena, CA, July 2018.

  28. Radiolysis: A Potential Pathway to Peroxide and Perchlorate Oxidants on Mars and the Icy Galilean Moons, Invited Talk, S. K. Atreya, P. R. Mahaffy, T. Encrenaz, R. I. Kaiser, E. H. Wilson, 42nd COSPAR General Assembly, Pasadena, CA, July 2018.

  29. Constraints on the Formation of Jupiter from Juno, Invited Talk, with J.I. Lunine, S. Bolton, S. Levin, S.K. Atreya, D. Stevenson R. Helled, M. Janssen, W. Hubbard, A, Ingersoll, C. Li, G. Orton, 42nd COSPAR General Assembly, Pasadena, CA, July 2018.

  30. The (Unexpected) Results from the Juno Microwave Radiometer Through Twelve Orbits, Invited Talk, with S. T. Brown, M. A. Janssen, S. J. Bolton, et al., 42nd COSPAR General Assembly, Pasadena, CA, July 2018.

  31. Mars Methane: Atmospheric Chemistry, Subsurface Biology or Geophysics, Surface Interactions or Global Transport? Invited Talk, with C. R. Webster, P. R. Mahaffy, J. Moores, J. Pla-Garcia, S. Rafkin, 42nd COSPAR General Assembly, Pasadena, CA, July 2018.

  32. Isotopic Constraints on Martian Climate Suggested by Sample Analysis at Mars (SAM) Measurements, Invited Talk, with H. B. Franz, P. R. Mahaffy, C. R. Webster, 42nd COSPAR General Assembly, Pasadena, CA, July 2018.

  33. Results from the Juno MWR Instrument, Invited Talk, with S. Levin, M. Janssen, S. Bolton, J. Connerney, et al., Asia Oceana Geosciences Society Meeting, Honolulu, HI, June 2018.

  34. Jupiter Observations at Infrared Wavelengths by Juno, Invited Talk, with A. Adriani, A. Mura, D. Grassi, M. L. Moriconi, G. Sindoni et al., 42nd COSPAR Scientific Assembly, Pasadena, CA, July 2018.

  35. Mars Exploration Today and Tomorrow, S. K. Atreya, Keynote Lecture, Third International Symposium on Lunar and Planetary Science, Macau University of Science and Technology, Macau, Special Administrative Region, China, June 2018.

  36. Oxidants on Mars, S. K. Atreya, P. R. Mahaffy, Invited Talk, Third International Symposium on Lunar and Planetary Sciences, held at Macau University of Science and Technology, Macau, Special Administrative Region, China, June 2018.


    37. 2017

  37. Five Years of Analyses of Volatiles, Isotopes and Organics in Gale Crater Materials, Invited Talk, with A. McAdam et al., American Geophysical Union Meeting, New Orleans, December 2017.

  38. Results on Jupiter's Atmosphere from the Juno Microwave Radiometer, Invited Talk, with M. A. Janssen et al., American Geophysical Union Meeting, New Orleans, December 2017.

  39. Preliminary Results on Jupiter's Atmosphere Using the Juno Microwave Radiometer, Invited Talk with M. A. Janssen, S. Bolton, S. Levin, et al., Asia Oceana Geosciences Society 12th Annual Meeting, Singapore, August 2017.

  40. Juno's Determination of Jovian Water is Crucial to Understanding Jupiter's Formation Environment, Invited Talk, with J.I. Lunine, S. Bolton, R. Helled, A. Ingersoll, M. Janssen, S. Levin, Asia Oceana Geosciences Society 12th Annual Meeting, Singapore, August 2017.

  41. The Origin and Evolution of the Atmosphere of Saturn's Earth-like moon, Titan, S. K. Atreya, Invited Speaker, Serendipities in the Solar System and Beyond Symposium, National Central University, Taipei, Taiwan, July 2017.

  42. Oxidants, Organics, and the Habitability of Mars, S. K. Atreya, Invited Seminar, National Sun Yat-sen University, Kaohsiung, Taiwan, July 2017.

  43. Radiolysis - A Potential Pathway to Martian Oxidants, S. K. Atreya, Invited Seminar, California Institute of Technology, Pasadena, June 2017.

  44. Ice Giant Exploration: Results of the NASA-ESA Science Definition Team, Invited Paper, with M. Hofstadter, A. Simon and E. Turtle, First Joint Meeting of the Japan Geoscience Union and the American Geophysical Union (JpGU-AGU), Tokyo-Makuhari Messe, Japan, May 2017.

  45. Coupled Surface-Atmosphere Chemical Production of Oxidants in the Solar System, S. K. Atreya, Invited Speaker, American Chemical Society 253rd National Meeting, San Francisco, CA, April 2017.

  46. The Habitability of Mars, S. K. Atreya, Keynote Speaker, Frontiers in Theoretical and Applied Physics International Conference, American University of Sharjah, United Arab Emirates, February 2017.


    47. 2016

  47. David Bates Medal Lecture EGU: The Cycle and Meaning of Methane in the Solar System and Exoplanets (or, everything you (n)ever wanted to know about methane…), by Sushil Atreya, David Bates Medalist, European Geosciences Union Meeting, Vienna, Austria, April 2016.

  48. The Cycle of Methane on Titan and Mars, University of California, Earth and Planetary Sciences Seminar, Berkeley, CA, April 2016.


    49. 2015

  49. Atmospheric Measurements by Curiosity – An overview, S. K. Atreya, Invited Speaker, American Geophysical Union Meeting, San Francisco, CA, December 2015.

  50. Chemical Abundances, Condensable Gases, Disequilibrium Species, S. K. Atreya, Invited Speaker, Juno-Cassini Joint Meeting on Jupiter-Saturn Atmospheric Dynamics, San Francisco, CA December 2015.

  51. Methane in the Solar System and Exoplanets, S. K. Atreya, Plenary Speaker, Second COSPAR Topical Symposium “Water and Life in the Universe”, Foz Do Iguaçu, Brazil, 9-13 November 2015.

  52. The Habitability of Mars: A Coupled Atmosphere - Surface Volatiles Perspective, S. K. Atreya, Plenary Lecture, Chinese Academy of Sciences International Forum on Lunar and Deep Space Exploration, Beijing, China, September 2015.

  53. The Origin and Evolution of the Atmosphere of Saturn's Largest Moon, Ten Years After Huygens Landing on Titan, S. K. Atreya, Invited Paper, Asia Oceana Geosciences Society 12th Annual Meeting, Singapore, August 2015.

  54. Atmospheric Composition of Mars: Implications for Evolution and Habitability, S. K. Atreya, P. R. Mahaffy, C. R. Webster, Invited Paper, Asia Oceana Geosciences Society 12th Annual Meeting, Singapore, August 2015.

  55. Origin and Evolution of Titan’s Atmosphere, as Revealed by the Cassini-Huygens Mission, S. K. Atreya, IUGG Plenary Meeting, Prague, Czech Republic, June 2015.

  56. Comparative origin of the Gas Giant planets and their volatiles, S. K. Atreya, IUGG Plenary Meeting, Prague, Czech Republic, June 2015.

  57. The Huygens Gas Chromatograph Mass Spectrometer Investigation of Titan, S. K. Atreya, D. Harpold, T. Owen, Solicited Talk in the “Tenth Anniversary of Huygens Probe” Special Session at the European Geosciences Union Meeting, Vienna, Austria, April 2015.

  58. The Atmospheres of the Terrestrial Worlds: Earth-Venus-Mars, and Titan, Invited Speaker, Conference on the Physics of Exoplanets: From Earth-sized to Mini-Neptunes, Kavli Institute for Theoretical Physics, University of California Santa Barbara, February 2015.

  59. Titan, As Revealed by The Huygens Gas Chromatograph Mass Spectrometer, S. K. Atreya, T. C. Owen, D. Harpold, E. Raaen, S. Way, J. Demick, and the GCMS Team, Invited Talk, Special Meeting on Titan on the Occasion of Huygens Probe Tenth Anniversary, NASA/ESA/ASI Cassini-Huygens Meeting, Rome, Italy, January 2015.


    60. 2014

  60. Curiosity, S. K. Atreya, Invited COSPAR Interdisciplinary and Public Lectures, COSPAR General Assembly, Moscow, Russia, August 2014.

  61. New Evidence for Chemical Depletion of Ammonia in the 1 to 2 Bar Region of Jupiter's Atmosphere, Invited Talk, with M. H. Wong, P. N. Romani, I. de Pater, W. R. Kuhn, K. S. Kalogerakis American Geophysical Union Meeting, San Francisco, December 2014.

  62. Search for Nitrates on Mars by the Sample Analysis at Mars (SAM) Instrument, with R. Navarro-González, J. Stern, C. Freissinet, H.B. Franz, C.P. McKay, and others, Invited Talk, COSPAR General Assembly, Moscow, Russia, August 2014.

  63. Origin of Saturn and its Atmosphere, and an Exoplanet Perspective, S. K. Atreya, A. Crida, T. Guillot, J. I. Lunine, N. Madhusudhan, O. Mousis, Invited Lecture, Saturn in the 21st Century Conference, Madison, Wisconsin, August 2014.

  64. The Future Exploration of Saturn, with K. H. Baines, F. Crary, T. Greathouse, H. Melin, O. Mousis, G. Orton, T. Spilker, A. Wesley, Invited Lecture, Saturn in the 21st Century Conference, Madison, Wisconsin, August 2014.

  65. Heavy Elements, Entry Probes, and the Origin and Evolution of the Giant Planets, S. K. Atreya, Invited Paper, Asia Oceana Geosciences Society Meeting, Sapporo, Japan, July 2014.

  66. Origin and Evolution of Titan’s Nitrogen Atmosphere – A Cassini-Huygens Perspective, S. K. Atreya, Solicited Paper, in Ten Years of Cassini session, European Geosciences Union Meeting, Vienna, Austria, April 2014.

  67. Curiosity on Mars, Colloquium, University of Michigan, Ann Arbor, MI, January 2014.


    68. 2013

  68. Curiosity Rover’s First Year on Mars, S. K. Atreya, Invited Lecture, Swedish Institute of Space Physics (Institutet för rymdfysik, IRF), Kiruna, Sweden, December 2013.

  69. The Case for a Deep-Atmospheric in situ Mission to Address the Highest Priority Decadal Survey Questions for Venus, S.K. Atreya, J. B. Garvin, L. S. Glaze, et al. Invited Paper, American Geophysical Union Meeting, San Francisco, CA, December 2013.

  70. Exploration of Mars by the Curiosity Rover, S. K. Atreya, Plenary Lecture, First COSPAR Symposium on Planetary Systems of our Sun and Other Stars, and the Future of Space Astronomy, Bangkok, Thailand, November 2013.

  71. Comparative Planetology: Venus-Earth-Mars-Titan, S. K. Atreya, Invited Lecture, The Fourth Mars Workshop, Les Houches, France, October 2013.

  72. Curiosity Results: Atmosphere, S. K. Atreya and P. R. Mahaffy, Invited Lecture, The Fourth Mars Workshop, Les Houches, France, October 2013.

  73. Mars Science Laboratory: Findings and Highlights of the First Year, S. K. Atreya, Plenary Lecture, American Astronomical Society, Division of Planetary Science Annual Meeting, Denver, CO, October 2013.

  74. Formation and Evolution of the Gas Giant Planets, S. K. Atreya and P. R. Mahaffy, Invited Paper, Asia Oceana Geosciences Society Meeting, Brisbane, Australia, June 2013.

  75. The Martian Atmosphere Composition, Chemistry and Evolution Revealed by MSL/SAM, S. K. Atreya, P. R. Mahaffy, C. R. Webster, P. Coll, M. Cabane and the SAM and MSL Science Teams, Invited Paper, Asia Oceana Geosciences Society Meeting, Brisbane, Australia, June 2013.

  76. Curiosity Rover’s SAM Investigation at Gale Crater, S.K. Atreya, Presented on behalf of P. R. Mahaffy, C. R. Webster, P. Coll, M. Cabane, and the SAM and MSL Science Teams, Invited Paper, Asia Oceana Geosciences Society Meeting, Brisbane, Australia, June 2013.

  77. The Origin, Evolution, and Sustenance of Titan’s Atmosphere, S. K. Atreya, Invited Paper, Asia Oceana Geosciences Society Meeting, Brisbane, Australia, June 2013.

  78. Sulfur and water mapping in the mesosphere of Venus, with Th. Encrenaz, Invited paper, The Venus International Conference, Catania, Sicily, Italy, June 2013.

  79. Formation, Evolution and Future Exploration of the Giant Planets, S. K. Atreya and P. R. Mahaffy, Invited Talk, Japan Geoscience Union Meeting, Tokyo-Chiba, Japan, May 2013.

  80. Results from the Curiosity Rover's SAM Investigation at Gale Crater and links to Habitability of Mars, with P. Coll, P. R. Mahaffy, C. R. Webster, M. Cabane, P. G. Conrad, R. Navarro-Gonzalez, Invited Talk, American Geophysical Meeting of the Americas, Cancun, Mexico, May 2013.

  81. Curiosity Rover Explores Mars, S. K. Atreya, After Dinner Speaker at the Annual Meeting and Banquet of the Sigma Xi Society, Ann Arbor, MI, April 2013.

  82. Mars Atmospheric Composition and Stable Isotope Ratios in H, C and O Measured by the SAM Instrument Suite on the Curiosity Rover, S. K. Atreya, Presented on behalf of C. R. Webster, P. R. Mahaffy, J. C. Stern, H. B. Franz, G. Flesch, L. Leshin, M. H. Wong, K. Farley, and the MSL Science Team, Invited Talk, European Geosciences Union Meeting, Vienna, Austria, April 2013.

  83. Early Results from the Curiosity Rover's SAM Investigation at Gale Crater, with P. R. Mahaffy and the MSL/SAM Science Team, Invited Talk, European Geosciences Union Meeting, Vienna, Austria, April 2013.

  84. Mars Atmospheric Escape Recorded by H, C and O Isotope Ratios in Carbon Dioxide and Water Measured by the SAM Tunable Laser Spectrometer on the Curiosity Rover, with C. R. Webster, P. R. Mahaffy, L. A. Leshin, G. J. Flesch, J. C. Stern, L. C. Christensen, A. R. Vasavada, T. C. Owen, P. B. Niles, J. H. Jones, H. B. Franz, and the MSL Science Team, Invited Talk, 44th Lunar and Planetary Science Conference, Woodland TX, March 2013.

  85. Curiosity's Sample Analysis at Mars (SAM) Investigation: Overview of Results from the First 120 Sols on Mars, with P. R. Mahaffy, M. Cabane, C. R. Webster, D. Archer, M. Benna, W. B. Brinckerhoff, A. Brunner, A. Buch, P. Coll, P. Conrad, D. Coscia, N. Dobson, J. Dworkin, J. Eigenbrode, K. Farley, G. Flesch, H. Franz, C. Freissinet, D. Glavin, S. Gorevan, J. Grotzinger, D. Harpold, J. Hengemihle, F. Jaeger, C. Johnson, M. Johnson, J. Jones, M. Lefavor, L. Leshin, E. Lyness, C. Malespin, H. Manning, D. Martin, A. McAdam, C. McKay, K. Miller, D. W. Ming, R. V. Morris, R. Navarro-González, P. Niles, T. Nolan, T. C. Owen, A. Pavlov, B. Prats, R. O. Pepin, E. Raaen, F. Raulin, A. Steele, J. C. Stern, S. Squyres, B. Sutter, R. E. Summons, D. Y. Sumner, C. Szopa, F. Tan, S. Teinturier, M. Trainer, M. H. Wong, J. J. Wray, and the SAM Development Team, Invited Talk, 44th Lunar and Planetary Science Conference, Woodland TX, March 2013.


    86. 2012

  86. The Cycle of Methane on Titan and Mars: Similarities and Differences, S. K. Atreya and P. R. Mahaffy, Invited Paper, COSPAR 39th Scientific Assembly, Mysore, India, July 2012.

  87. Trace Constituents and the Habitability of Mars, S. K. Atreya and P. R. Mahaffy, Invited Paper, COSPAR 39th Scientific Assembly, Mysore, India, July 2012.

  88. The Sample Analysis at Mars Experiment (SAM) Onboard the Mars Science Laboratory (MSL): Study of Present and Past Environment Through In Situ Analysis, with P. R. Mahaffy, P. Coll, M. Cabane, C. Webster, P. Conrad and C. Szopa. Presented by S. K. Atreya. Invited Paper, COSPAR 39th Scientific Assembly, Mysore, India, July 2012.

  89. Trace Constituents and their Implications for Habitability of Mars and Other Terrestrial Planets, S. K. Atreya and P. R. Mahaffy, Invited Paper, International Conference on Atmospheres of Terrestrial Planets: Observations and Modeling, Physical Research Laboratory, Ahmedabad, India, July 2012.

  90. The Giant Planets: Formation, Atmospheric Evolution, and Future Exploration, S. K. Atreya, Japan Geoscience Union Meeting, Tokyo, Japan, May 2012.


    91. 2011

  91. The Habitability of Mars, and Prospects for the MSL Rover, Curiosity, Invited Lecture, Wayne State University, Detroit, MI, November 2011.

  92. Organics, Oxidants, and the Habitability of Mars, S.K. Atreya, P.R. Mahaffy, Invited Paper, Asia Oceana Geosciences Society Meeting, Taipei, Taiwan, August 2011.

  93. Formation of the Giant Planets and Their Atmospheres: Models, Constraints, and Outstanding Measurements, S.K. Atreya, Invited Paper, Asia Oceana Geosciences Society Meeting, Taipei, Taiwan, August 2011.

  94. Titan's Cycle of Methane, S.K. Atreya, H.B. Niemann, Invited Paper, IUGG Plenary Meeting, Melbourne, Australia, June 2011.

  95. The Giant Planet Formation, Saturn and Uranus Probes, and The Planetary Decadal, Invited Paper, International Planetary Probe Workshop-8, Portsmouth, Virginia, June 2011.

  96. Titan's Atmosphere Reflected in its Surface, S.K. Atreya, H.B. Niemann, Invited Paper, European Geosciences Union Meeting, Vienna, Austria, April 2011.

  97. The Chemical Origin and Evolution of Titan's Volatiles, S.K. Atreya, Opening Lecture, Titan Chemistry-Observations, Experiments, Computations, and Modeling Workshop, Kauai, Hawaii, April 2011.


    2010

  98. The Methane Cycle on Titan: Surface-Atmosphere Thermochemical Coupling, S.K. Atreya, J.I. Lunine, H.B. Niemann, Invited Paper, American Geophysical Union Meeting, San Francisco, California, December 2010.

  99. The Chemical Evolution of Titan's Volatiles, S.K. Atreya, Keynote Lecture, Astrochemistry Conference, Urbana-Champaign, Illinois, November 2010.

  100. "Methane, Organics, Oxidants, Isotopes, and the Prospects for MSL/SAM," Invited Paper, S. K. Atreya and P. R. Mahaffy, The First Moscow Solar System Symposium (1M-S3), Moscow, Russia, October 2010.

  101. Exploring the Diversity of Planetary Atmospheres: The Atmosphere of Titan, Exoclimes Conference, S. K. Atreya, Invited Speaker, Exeter, UK, September 2010.

  102. The Gas Chromatograph Mass Spectrometer Experiment on the Cassini-Huygens Probe: Results, Lessons Learned, Needs for Follow-up Experiments, Invited Paper, H.B. Niemann, S.K. Atreya, T.C. Owen, Europlanet Conference, Rome, Italy, September 2010.

  103. The Habitability of Mars: Key Questions, Current Constraints, and Future Prospects, S. K. Atreya, P. R. Mahaffy, Invited Paper, COSPAR, Bremen, Germany, July 2010.

  104. Formation of the Giant Planets and their Atmospheres: The Role of Entry Probes, S. K. Atreya, M. Baek, S. Bolton, A. Coradini, A. Coustenis, T. Encrenaz, T. Guillot, P. R. Mahaffy, H. B. Niemann, Solicited Paper, Asia Oceana Geosciences Society Meeting, Hyderabad, India, July 2010.

  105. Organics, Oxidants, Isotopes, and Implications for the Habitability of Mars, Solicited Paper, S. K. Atreya, P. R. Mahaffy, Asia Oceana Geosciences Society Meeting, Hyderabad, India, July 2010.

  106. Titan from Cassini-Huygens, in the Context of Terrestrial Planets, S.K. Atreya, Key Speaker, Symposium on Advances in Planetary Atmospheres and Exploration, Physical Research Laboratory, Ahmedabad, India, July 2010.

  107. The Role of Trace Constituents in the Solar System, S. K. Atreya, Opening Lecture, Faraday Discussion, "Chemistry of the Planets", Royal Society of Chemistry, Saint Jacut de la Mer, Brittany, France, June 2010.

  108. The Habitability of Mars: Current Understanding from Trace Constituents, and Prospects for Planned and Conceived Future Exploration, S. K. Atreya, Keynote Lecture, The Second Annual International Symposium on Planetary Exploration, Chiba Institute of Technology, Japan, May 2010.

  109. The Unique but Critical Science of the Outer Planets Possible Only with Entry Probes, Solicited Paper, S. K. Atreya, S. Bolton, A. Coradini, A. Coustenis, T. Encrenaz, T. Guillot, P. R. Mahaffy, H. B. Niemann, Geophys. Res. Abst. 10, EGU2008-A-04876, 2010, European Geosciences Union Meeting, Vienna, Austria, May 2010.

  110. Atmospheric Composition, Invited Tutorial, Mars III Workshop, Les Houches, France, March 2010.

  111. Cassini-Huygens Reveals Saturn's Earth-like Moon, Titan, S. K. Atreya, The Annual Fred W. and Gladys E. Laird Lectureship, University of British Columbia, Vancouver, Canada, March 2010.

  112. Trace Species, Isotopes, and the Habitability of Mars, S. K. Atreya, Invited Colloquium, Simon Fraser University, Vancouver, Canada, March 2010.

  113. "Atmospheric" Moons Galileo Would Have Loved, S. K. Atreya, Invited Speaker, IAU Symposium, Galileo's Medicean Moons: their Impact on 400 years of Discovery, Padova, Italy, January 2010.


    2009

  114. Methane and the Martian Habitability, S. K. Atreya, P. R. Mahaffy, C. R. Webster, P. Coll, Invited Talk, ESA-ASI Workshop on Methane on Mars, ESRIN, Frascati, Italy, November 2009.

  115. Future In Situ Methane and Related Trace Gas and Isotope Measurements with the Sample Analysis At Mars (SAM) Suite of the 2011 Mars Science Laboratory, with P. R. Mahaffy, C. R. Webster, P. Coll, Invited Talk, ESA-ASI Workshop on Methane on Mars, ESRIN, Frascati, Italy, November 2009.

  116. Probes, and Post-Cassini Exploration of Saturn: Saturn (Shallow) Probes, Invited Speaker, National Research Council Planetary Science Decadal Survey, Giant Planets Panel Meeting, Irvine, CA, October 2009.

  117. The Habitability of Mars: Science Drivers and Measurement Approach for Future Low Cost Planetary Missions, Invited Paper, S. K. Atreya, IAA International Conference on Low Cost Planetary Missions, Goa, India, September 2009.

  118. The Martian Trace Gas Chemistry and its Significance for Habitability, Invited Paper, S. K. Atreya, P. R. Mahaffy, Asia Oceania Geosciences Society Meeting, Singapore, August 2009.

  119. Vibrational Spectroscopy of Aerosols in Titan's Atmosphere, Invited Paper, C.C. Wang, S. K. Atreya, R. Signorell, Asia Oceania Geosciences Society Meeting, Singapore, August 2009.

  120. The Origin and Evolution of a Nitrogen-Methane Atmosphere on Titan, Invited Paper, S. K. Atreya, H. B. Niemann, Asia Oceania Geosciences Society Meeting, Singapore, August 2009.

  121. Icy Satellites with Gas: A Complex Interplay Between Interior, Surface, Atmosphere, and Beyond, S. K. Atreya, International Association of Astronomy (IAU) General Assembly, Rio de Janeiro, Brazil, August 2009.

  122. The Origin, Evolution, and Cycle of Volatiles on Titan, Invited Paper, S. K. Atreya, H. B. Niemann, MOCA-09 IAMAS/IUGG General Assembly, Montreal, Canada, July 2009.

  123. Formation of Jupiter and Saturn and the Origin of Their Atmospheres: Current Constraints and Future Prospects, Solicited Talk, S. K. Atreya, H. B. Niemann, Th. Encrenaz, T. Owen, European Geosciences Union, Vienna, Austria, April 2009.

  124. The Nitrogen-Methane Atmosphere of Titan: Observations, Origin, Evolution, Keynote Lecture, S. K. Atreya, Titan Chemistry 2009: Observations, Experiments, Computation and Modeling, San Juan, Puerto Rico, February 2009.


    2008

  125. Planetary Electrochemical Effects, S. K. Atreya, K. M. Mihalka, P. R. Mahaffy, G. T. Delory, W. M. Farrell, Invited Paper, American Geophysical Union Fall Meeting, San Francisco, California, December 2008.

  126. Comparative Formation of the Gas Giant Planets and their Atmospheres, Invited Paper, Presented by S. K. Atreya on behalf of coauthors T. Owen and S. K. Atreya, American Geophysical Union Fall Meeting, San Francisco, California, December 2008.

  127. Origin and Evolution of Titan's Nitrogen-Methane Atmosphere: A Cassini-Huygens Perspective, S. K. Atreya, J. I. Lunine, H. B. Niemann, T. C. Owen, Invited Paper, American Geophysical Union Fall Meeting, San Francisco, California, December 2008.

  128. Saturn and Jupiter: Surprising Similarities and Stark Differences in Dynamics and Chemistry in the Gas Giants as Revealed by Galileo, Cassini, and New Horizons, Invited Talk, with K. H. Baines, L. Fletcher, T. Momary, R. West, R. H. Brown, A. Showman, A. Simon-Miller, American Geophysical Union Fall Meeting, San Francisco, California, December 2008.

  129. Formation of the Giant Planets and their Atmospheres: Post-Galileo, Pre-Juno, and Beyond, Invited Colloquium, University of Colorado, Boulder, Colorado, December 2008.

  130. Mass Spectrometry Payload on Satellites and Spacecrafts as Key to Understanding the Formation of Planets and the Origin and Evolution of Atmospheres, S. K. Atreya, Invited Talk, International Academy of Astronautics Conference on Advanced Space Systems and Applications, Chinese Society of Astronautics, Shanghai, China, October-November 2008.

  131. Titan: Saturn's Earth-Like Moon, S. K. Atreya, Invited Colloquium, University of California-Berkeley, California, October 2008.

  132. Saturn's Exploration After Cassini-Huygens, Invited Talk, T. Guillot, S. K. Atreya, M. Dougherty, W. B. Hubbard, Invited Talk, London, UK, August 2008.

  133. Saturn Multiprobes and Ring Observer Aerocapture Mission, Invited Talk, with T. Spilker, L. Spilker, T. Balint, E. Venkatapathy, J. Arnold, ARES V Solar System Science Workshop, NASA Ames Research Center, Moffett Field, California, August 2008.

  134. Volatile Origin and Cycles: Nitrogen and Methane, S, K. Atreya, R. Lorenz, J. Waite, Invited Talk, Titan After Cassini-Huygens Symposium, Corpus Christi, Texas, July 2008.

  135. Atmospheric Composition and Structure, D. F. Strobel, S. K. Atreya, B. Bezard, M. Flasar, M. Fulchignoni, C. Griffith, E. Lellouch, I. Muller-Wodarg, R. Yelle, Invited Talk, Titan Book Symposium, Corpus Christi, Texas, July 2008.

  136. The Role of Entry Probes in Understanding the Formation of the Ice Giants--Uranus and Neptune--and their Atmospheres, Invited Paper, S. K. Atreya, COSPAR General Assembly, Montreal, Canada, July 2008.

  137. Lessons Learned from Planetary Entry Probe Missions, Invited Paper, H. B. Niemann, S. K. Atreya, W. Kasprzak, COSPAR General Assembly, Montreal, Canada, July 2008.

  138. Exploring Venus with High Altitude Balloons Science Objectives and Mission Architectures, Invited Paper, K. H. Baines, S. K. Atreya, S, S, Limaye, K. Zahnle, COSPAR General Assembly, Montreal, Canada, July 2008.

  139. Saturn's Depths in a New Light: Novel Views of Meteorology, Circulation and Dynamics by Cassini/VIMS, Invited Paper, with K. H. Baines and VIMS Colleagues, COSPAR General Assembly, Montreal, Canada, July 2008

  140. Titan's Ethane Oceans - A Disappearing Act, Invited Paper, S. K. Atreya, J. I. Lunine, H. B. Niemann, E. H. Wilson, Asia Oceana Geosciences Society Meeting, Busan, Korea, June 2008

  141. Martian Methane: A New Twist on An Old Story, Invited Paper, S. K. Atreya, P. R. Mahaffy, T. Encrenaz, N., Asia Oceana Geosciences Society Meeting, Busan, Korea, June 2008.

  142. Where Have Titan's Ethane Oceans Gone? S. K. Atreya, J. I. Lunine, H. B. Niemann, E. H. Wilson, Invited Paper, European Geosciences Union Meeting, Vienna, Austria, April 2008.

  143. Chemistry and Composition of Titan Haze Precursors, E. H. Wilson and S. K. Atreya, Titan Workshop, Miami, Florida, March 2008.

  144. Titan As Seen Through The Eyes of Cassini-Huygens, S. K. Atreya, Invited Speaker, Michigan Research Community, University of Michigan, Ann Arbor, MI, January 2008.


    2007

  145. Are We Alone in the Universe: Life and Times of Titan and Mars? S. K. Atreya, James A. Van Allen Lecture, NASA Headquarters, December 2007.

  146. Electrical Processes on Mars: New Sources and Sinks for Atmospheric Chemistry?, Invited Paper, with G. T. Delory, W. Farrell, J. Marshall, American Geophysical Union Meeting, San Francisco, CA, December 2007.

  147. Martian Atmospheric Electricity and Global Circuit Driven by Dust Storms, with W. M. Farrell, G. T. Delory, J. R. Marshall, American Geophysical Union Meeting, San Francisco, CA, December 2007.

  148. Are Mars and Titan Alive Now, or Were They Ever? S. K. Atreya, Invited Speaker, University of Washington, Seattle, November 2007.

  149. Saturn Probes, Delivered to NRC/NOSSE (National Research Council Committee on New Opportunities in Solar System Exploration), S. K. Atreya, Invited Talk, Houston, TX, November 2007.

  150. Comparative Atmospheres of Earth-like Bodies: Titan, Mars, Venus, Invited Talk, NASA Planetary Atmospheres Meeting, Greenbelt, MD, November 2007.

  151. Planetary Probe Workshop, Bordeaux, IPPW5 Report to the OPAG and VEXAG, with J. Cutts, Greenbelt, MD, November 2007.

  152. Titan's Methane Cycle: A Cassini-Huygens Perspective, Invited Paper, S. K. Atreya, Space Week-Symposium on the 50th Anniversary of Sputnik, Moscow, Russia, October 2007.

  153. Methane, Organics, Oxidants, and Habitability of Mars: Prospects for the Mars Science Laboratory Measurements, Invited Paper, S. K. Atreya, P. R. Mahaffy, International Aeronautics Congress, Hyderabad, India, September 2007.

  154. Formation of the Giant Planets and their Atmospheres: Multiprobe Exploration, Invited Paper, S. K. Atreya, International Aeronautics Congress, Hyderabad, India, September 2007.

  155. Origin and Evolution of Titan's Nitrogen and Methane Atmosphere: A Post Cassini-Huygens Perspective, Invited Paper, S. K. Atreya, H. B. Niemann, E. Y. Adams, International Aeronautics Congress, Hyderabad, India, September 2007.

  156. Comparative Planetology as Key to the Origin and Evolution of Solar System Atmospheres, S. K. Atreya, Distinguished Lecture, Asia Oceana Geosciences Society Meeting, Bangkok, Thailand, August 2007.

  157. Titan's Methalogy, Invited Paper, S. K. Atreya, H. B. Niemann, E. Y. Adams, Asia Oceana Geosciences Society Meeting, Bangkok, Thailand, August 2007.

  158. GCMS Measurements at Titan, Invited Paper, with H. B. Niemann, J. Demick, W. Kasprzak, T. Owen, and the GCMS Team, Asia Oceana Geosciences Society Meeting, Bangkok, Thailand, August 2007.

  159. Electro-photo Chemistry on Mars, and Prospects for the Mars Science Laboratory Investigation, Invited Paper, S. K. Atreya, P. R. Mahaffy, Asia Oceana Geosciences Society Meeting, Bangkok, Thailand, August 2007.

  160. From Enceladus to Pluto: The Origin of Nitrogen on Small Bodies of the Solar System, Invited Paper, S. K. Atreya, IAMAS/IUGG Meeting, Perugia, Italy, July 2007.

  161. Huygens GCMS Results from Titan, Invited Paper, with H. B. Niemann, J. Demic, W. Kasprzak, T. Owen, and the GCMS Team, IAMAS/IUGG Meeting, Perugia, Italy, July 2007.

  162. Formation of Giant Planets and their Atmospheres: Entry Probes into Saturn and Beyond, Invited Paper, S. K. Atreya, S. Bolton, A. Coustenis, T. Guillot, P. Mahaffy, B. Marty, H. Niemann, T. Owen, International Planetary Probe Workshop IPPW5, Bordeaux, France, June, 2007.

  163. Titan's Methane Problem, Invited Paper, Workshop on Titan, S. K. Atreya, University of California Berkeley, May 2007.

  164. Formation of Jupiter and Saturn and the Origin of their Atmospheres: Clues from Composition and Thermochemistry, Invited Paper, S. K. Atreya, S. Bolton, T. Encrenaz, P. Mahaffy, H. Niemann, T. Owen, European Geosciences Union Meeting, Vienna, Austria, April 2007.

  165. Venus Chemistry and Composition, S. K. Atreya, F. Mills, C. Parkinson, Invited Paper, Venus Express Science Conference, Rencontrs de Moriond, La Thuile, Italy, March 2007.

  166. A Saturn Probe Mission, S. K. Atreya, S. Bolton, T. Owen, Invited Presentation, Saturn-Titan Workshop, Observatoire de Paris-Meudon, France, February 2007.

  167. A New Frontiers Mission to Saturn with Probes and Microwave Radiometry, S. K. Atreya, S. Bolton, T. Owen, Invited Presentation, Jet Propulsion Laboratory and Caltech, Pasadena, January and February 2007.

  168. Titan's Atmosphere, Invited Paper, with T. Owen, H. Niemann, American Association for the Advancement of Science, San Francisco, February 2007.


    2006

  169. Origin and Evolution of Titan's Nitrogen-Methane Atmosphere, S. K. Atreya, Invited Talk, Observatoire de Paris, Meudon, France, November 2006.

  170. Titan's Methane Cycle as Revealed by the Cassini Orbiter and Huygens Probe Observations, Invited Talk at the Titan Workshop, Observatoire de Paris-Meudon, France, November 2006.

  171. Planetary Probe Workshop, and the Saturn Probes, S. K. Atreya, Invited Talk, Outer Planets Assessment Group Meeting, Tucson, Arizona, November 2006.

  172. Entry Probes and the Secret of Giant Planets, Invited Speaker, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, October 2006.

  173. Venus Exploration Analysis Group/NASA: Accomplishments and Plans, S.K. Atreya and J.G. Luhman, Invited Talk, Townhall Presentation, DPS Meeting, Pasadena, CA, October 2006.

  174. Cloud Structures of the Giant Planets: Equilibrium Thermochemistry, and Precipitation, Invited Paper, S. K. Atreya and W. R. Kuhn, 1st. Europlanet Science Congress (EPSC), Berlin, Germany, September 2006.

  175. Origin and Evolution of Nitrogen on Titan, Enceladus, Triton, and Pluto, Invited Paper, S. K. Atreya, E. Y. Adams, H. B. Niemann, P. R. Mahaffy, T. C. Owen, 1st. Europlanet Science Congress (EPSC), Berlin, Germany, September 2006.

  176. Origin of Planetary Nitrogen, Invited Paper, with T. C. Owen, H. B. Niemann, P. R. Mahaffy, 1st. Europlanet Science Congress (EPSC), Berlin, Germany, September 2006.

  177. Saturn Probes: U.S. Plan, S.K. Atreya, Invited Speaker, Workshop on Future Space Missions, Europlanet Science Congress (EPSC), Berlin, Germany, September 2006.

  178. In-situ Measurements of Jupiter and Titan: Implications for Chemical Models and the Origin of Atmospheres, S. K. Atreya, Invited Paper, COSPAR Meeting, Beijing, China, July 2006.

  179. Comparative Composition and Thermodynamics of the Giant Planets, and Future Exploration by Multiprobes, S. K. Atreya, Invited Paper, COSPAR Meeting, Beijing, China, July 2006.

  180. The Huygens Gas Chromatograph Mass Spectrometer Measurements at Titan, S. K. Atreya, Invited Paper (presented on behalf of H. B. Niemann and the GCMS Team), COSPAR Meeting, Beijing, China, July 2006.

  181. In Situ measurements of the Composition of Titan's Atmosphere, with H. B. Niemann and the GCMS Team, COSPAR Meeting, Beijing, China, July 2006.

  182. What do Saturn and Titan Have in Common? (And, what they don't), S. K. Atreya, Invited Paper, Asia Oceana Geosciences Society Meeting, Singapore, July 2006.

  183. Titan Revealed: Origin and Evolution of Titan's Nitrogen and Methane Atmosphere, S. K. Atreya, Invited Paper, Asia Oceana Geosciences Society Meeting, Singapore, July 2006.

  184. Saturn Probes: Why, Where, How?, S. K. Atreya, Invited Paper, International Planetary Probe Workshop IPPW4, Pasadena, CA, June 2006.

  185. The Exploration of Venus: Venus Exploration Analysis Group, S. K. Atreya, K. Baines, A. Ocampo, T. W. Thompson, Invited Talk, European Satellite Operations Center, April 2006.

  186. Water-Ammonia Ionic Ocean on Neptune and Uranus? S. K. Atreya, P. A. Egeler, K. H. Baines, Invited Paper, European Geosciences Union Meeting, Vienna, Austria, April 2006.

  187. Photo-electrochemistry of Mars, and Prospects for Measurements on the Mars Science Laboratory, Invited Paper, S. K. Atreya and P. R. Mahaffy, Workshop on Mars Atmosphere Modelling and Observations, Granada, Spain, February 2006.

  188. Venus Exploration Analysis Group: Venus as Terrestrial Planet, S. K. Atreya, Invited Speaker, AGU Chapman Conference on Exploring Venus as a Terrestrial Planet, Key Largo, Florida, February 2006.

  189. Titan - A New World, S. K. Atreya, Invited Speaker, General Motors Corporation, Warren, Michigan, January 2006.


    2005

  190. Carbon Chemistry in the Solar System, S. K. Atreya, Invited Paper, Pacific Astrochemistry Conference, Honolulu, HI, December 2005.

  191. Results from the GCMS Experiment on the Cassini-Huygens Probe, Invited Paper, with H.B. Niemann and the GCMS Team, American Geophysical Union Meeting, San Francisco, CA, December 2005.

  192. Methane Methane Everywhere: Life and Times of Titan, S. K. Atreya, Invited Colloquium, University of Michigan, Ann Arbor, September 2005.

  193. Methane, Organics, and Related Trace Constituents on Mars: Sources, Sinks, Implications, S. K. Atreya, Invited Paper, Division of Planetary Sciences/AAS Meeting, Cambridge, England, September 2005.

  194. Oxygen and other Volatiles in Jupiter: Insights into the Early Solar System, Invited Talk by M. H. Wong, S. K. Atreya and P. R. Mahaffy, Meeting on "Oxygen in the Solar System", Gatlinburg, Tennessee, September 2005.

  195. Titan's Atmosphere and Surface: First Results from the Gas Chromatograph Mass Spectrometer, S. K. Atreya, Invited Speaker, (presented on behalf of H.B. Niemann, PI, and the GCMS Team), International Association of Meteorology and Atmospheric Sciences, Beijing, China, August 2005.

  196. The New Mars: Organics, Oxidants, Life, Habitability, S. K. Atreya, P. R. Mahaffy, A. S. Wong, N. O. Renno, Invited Paper, International Association of Meteorology and Atmospheric Sciences, Beijing, China, August 2005.

  197. Photochemical-Meteorological-Hydrogeological Cycle of Methane on Titan, S. K. Atreya, Invited Paper, International Association of Meteorology and Atmospheric Sciences, Beijing, China, August 2005.

  198. A NEPtune/Triton Vision Mission Using Nuclear Electric Propulsion, with B. Bienstock, D. Atkinson, K. Baines, P. Mahaffy, International Planetary Probes Workshop, Anavyssos, Attica, Greece, July, 2005.

  199. Multiple Probes to Multiple Planets, S.K. Atreya and T.C. Owen, Invited Paper, International Probes Workshop, Anavyssos, Attica, Greece, July, 2005.

  200. A New View of Venus: Direct Measurements of Planetary Formation and Evolution, Meteorology, Dynamics, and Chemistry with a Long-Duration In-Situ Aerial Tour of our Sister World, Invited Paper, with K. H. Baines, S. K. Atreya, D. Crisp, et al., International Probes Workshop, Anavyssos, Attica, Greece, July, 2005

  201. Titan's Methane Cycle: A Post Huygens Assessment, S. K. Atreya, Invited Paper, Asia Oceana Geosciences Society Meeting, Singapore, June 2005.

  202. Chemistry of the Outer Solar System: Composition, Clouds, Origin and Evolution, S. K. Atreya, Invited Paper, Asia Oceana Geosciences Society Meeting, Singapore, June 2005.

  203. The Cassini-Huygens GCMS Investigation of Titan's Atmosphere and Surface, S.K. Atreya, Invited Speaker, (presented on behalf of H.B. Niemann and the GCMS Team), Asia Oceana Geosciences Society Meeting, Singapore, June 2005.

  204. Methane on Titan, S.K. Atreya, H.B. Niemann, T.C. Owen, and the Huygens GCMS Team, Titan Workshop, Crete, Greece, June 2005.

  205. On Trace Species, Organics, Oxidants, Life, and Habitability, S.K. Atreya, Invited Speaker, Mars Workshop, les Houches, France, May, 2005.

  206. Atmospheric Composition of Titan with Huygens GCMS, with H. B. Niemann, and the GCMS Team, Invited Paper, European Geosciences Union Meeting, Vienna, Austria, April 2005.

  207. Chemical State of Titan after Huygens, S. K. Atreya, H. B. Niemann, and the GCMS Team, Invited Paper, European Geosciences Union Meeting, Vienna, Austria, April 2005.

  208. Titan, Invited Paper T. C. Owen, H. B. Niemann, S. K. Atreya, and the Huygens GCMS Team, European Geosciences Union Meeting, Vienna, Austria, April 2005.


    2004

  209. Methane on Mars - Sources, Sinks, Implications for Life, Keynote Speech, S. K. Atreya, Mars International Conf., Ischia, Italy, September 2004.

  210. The Giordano Bruno Project: Multiple Missions to Multiple Planets, S. K. Atreya and T. C. Owen, Invited Lecture at ASI/ESA International School of Space Science: The New Solar System from Cassini toward a "Second Generation of Exploratory Missions", l'Aquila, Italy, July-August 2004.

  211. Comparative Composition, Chemistry, and Clouds of Saturn and Jupiter, S. K. Atreya, Invited Lecture at ASI/ESA International School of Space Science: The New Solar System from Cassini toward a "Second Generation of Exploratory Missions", l'Aquila, Italy, July-August 2004.

  212. The Composition of the Martian Atmosphere, Invited Paper, with T. C. Owen, COSPAR Meeting, Paris, France, July 2004.

  213. Comparative Chemistry and Thermodynamics of the Atmospheres of Saturn and Jupiter, S. K. Atreya, Invited Speaker, COSPAR Meeting, Paris, France, July 2004.

  214. Prebiotic Molecules on Titan, S. K. Atreya, Invited Speaker, Asia-Oceania Geosciences Society (AOGS) 1st Annual Meeting, Singapore, July 2004.

  215. Coupled Thermochemical-Photochemical Processes in the Giant Planets, S. K. Atreya, Invited Speaker, Asia-Oceana Geosciences Society (AOGS) 1st Annual Meeting, Singapore, July 2004.

  216. Benzene, and other Hydrocarbons on Saturn, A.-S. Wong and S. K. Atreya, Solicited Paper, European European Geosciences Union Meeting, Nice, France, April 2004.

  217. Thermochemistry and Cloud Physics of the Giant Planets, S. K. Atreya, Invited Speaker, "A Comparative Study of the Outer Planets before the Exploration of Saturn by Cassini-Huygens" Symposium, International Space Science Institute (ISSI), Bern, Switzerland, January 2004.


    2003

  218. The Giants, S. K. Atreya, Invited Speaker, "Light on Planetary Atmospheres Symposium", Sterrenkundig Instituut "Anton Pannekoek", Univeristy of Amsterdam, The Netherlands, December 2003.

  219. Composition, Clouds, and Origin of Jupiter's Atmosphere - A Case for Multiprobes into the Giant Planets, S. K. Atreya, Invited Speaker, International Workshop on Planetary Probe Atmospheric Entry and Descent Trajectory Analysis and Science, Lisbon, Portugal, October 2003.

  220. Extrasolar Giant Planet Atmospheres: Clues from Jupiter, S. K. Atreya, Invited Lectures at the EVISS (ESA) Summer School on Extrasolar Planets, Coimbra, Portugal, August 2003.

  221. Comparative Atmospheres of the Giant Planets: Composition, Chemistry, and Thermodynamics, S. K. Atreya, Invited Lectures at the EVISS (ESA) Summer School on Extrasolar Planets, Coimbra, Portugal, August 2003.

  222. Volatile Abundances, Clouds, and Origin of Jupiter's Atmosphere, S. K. Atreya, Invited Paper, IAMAS/IUGG General Assembly, Sapporo, Japan, July 2003.

  223. Composition and Clouds of Jupiter's Atmosphere, Solicited Paper, S. K. Atreya, Planetary Entry Probe Workshop, Boulder, Colorado, April 2003.


    2002

  224. Jupiter and the Extrasolar Giant Planets: Composition and Origin of Atmospheres, Invited Paper, S. K. Atreya, A.-S. Wong, P. R. Mahaffy, H. B. Niemann, M. H. Wong, T. C. Owen, COSPAR World Space Congress, Houston, Texas, October 2002.


    2001

  225. Thermodynamics, Chemistry, and the Origin of the Giant Planet Atmospheres, S. K. Atreya, Invited Lectures, and Tutorials , Interdisciplinary Summer School on the Solar System, EVISS (ESA), Lisbon, Portugal, August 2001.

  226. Cloud Physics of the Giant Planets, S. K. Atreya, Invited Lectures, and Tutorials , Interdisciplinary Summer School on the Solar System, EVISS (ESA), Lisbon, Portugal, August 2001.

  227. Evolution of Titan's Nitrogen Atmosphere Some New Developments, S. K. Atreya and E. H. Wilson, Invited Paper, IAMAS/IUGG General Assembly, Innsbruck, Austria, July 2001.

  228. What Can We Learn About the Atmospheres of the Giant Planets by Studying the Chemistry of their Minor Constituents? S. K. Atreya, Solicited Paper, European Geophysical Society Meeting, Nice, France, March 2001.


    2000

  229. Atmospheric Probes and the Origins of Atmosphere, S. K. Atreya, Invited Paper, International Astronomical Union General Assembly/Planetary Exploration Symposium, Manchester, England, August, 2000.

  230. Composition and Structure of Jupiter's Deep Atmosphere, S. K. Atreya, Invited Paper, International Astronomical Union General Assembly/Planetary Exploration Symposium, Manchester, England, August, 2000.

  231. Clouds and Chemistry of Jupiter's Atmosphere: A Post-Galileo, Post-ISO Perspective, S. K. Atreya, Invited Paper, International Astronomical Union General Assembly/Atomic and Molecular Data Symposium, Manchester, England, August, 2000.

  232. Chemistry of the Atmosphere of Titan, S. K. Atreya, Invited Paper, COSPAR Meeting, Warsaw, Poland, July, 2000.

  233. The Jovian Volatiles: From Hot Spots to the Cold Planetesimals, S. K. Atreya, Special Lecture, Observatoire Paris-Meudon, France, March 2000.


    1999

  234. Chemistry, Composition and Thermodynamics (Quimica, Composicao e Termodinamica), S. K. Atreya, Invited Lectures, Interdisciplinary Summer School on the Solar System, EVISS (ESA), Coimbra, Portugal, August 1999.

  235. Scientific Interpretation of Recent Observations of the Giant Planet Atmospheres: Excitement, and Caution, S. K. Atreya and T.C. Owen, Invited Paper, IUGG General Assembly, Birmingham, England, July 1999.

  236. Formation of Jupiter: Constraints from Nitrogen and Noble Gases, Invited Paper, with T. C. Owen, European Geophysical Society Meeting, The Hague, Netherlands, April 1999.

  237. Jupiter's Atmosphere After Galileo and ISO: Implications for Chemistry, Clouds, and Origin (I), and Future Planetary Missions (II), S. K. Atreya, Invited Lectures and Panel Discussion at European Research Course on Atmospheres, Grenoble, France, February 1999.


    1998

  238. Implications for Atmospheric Vertical Mixing from ISO Measurements of C2H2 on Uranus and CH3 on Saturn, S. K. Atreya, Th. Encrenaz, H. Feuchtgruber and S. G. Edgington, Invited Paper in the ISO-SIRTF Plenary Session at the AAS/DPS Meeting, Madison, Wisconsin, October, 1998.

  239. On the Origin of Jupiter's Atmosphere, Invited Paper, with T. C. Owen, COSPAR Meeting, Nagoya, Japan, July, 1998.

  240. The Chemical Composition and the Cloud Structure of the Atmospheres of Jupiter and Saturn, S. K. Atreya, Invited Paper, COSPAR Meeting, Nagoya, Japan, July 1998.

  241. Comparative Atmospheres of Jupiter and Saturn: Deep Atmospheric Composition, Clouds, and Vertical Mixing, S. K. Atreya, Invited Paper at the Symposium, Jupiter After Galileo and Saturn-Titan Before Cassini-Huygens, Nantes, France, May, 1998.

  242. Chemical Composition, Equilibrium Thermodynamics, and Local Meteorology of the Atmospheres of the Giant Planets, S.K. Atreya, A series of 4 Invited Lectures and Tutorials at European Research Course on Atmospheres, Grenoble, France, February, 1998.


    1997

  243. Chemical and Thermodynamic Nature of Jupiter's Atmosphere, S. K. Atreya, Invited Paper, The Galileo Symposium at the International Astronomical Union General Assembly, Kyoto, Japan, August 1997.

  244. The Exploration of the Giant Planets, S. K. Atreya, Invited Speaker, The Jacques E. Blamont Symposium, Ecole Normale Superieure, Paris, France, June 1997.

  245. Multilayered Cloud Structure of Jupiter and Saturn, S. K. Atreya, Solicited Paper, European Geophysical Society Meeting, Vienna, Austria, April, 1997.

  246. Clouds, or Lack of Them, Local Meteorology and Downdrafts in the Galileo Probe Entry Region, S. K. Atreya, Invited Lecture, European Research Course on Atmospheres, Grenoble, France, February 1997.

  247. Comparative Planetary Atmospheres I and II: The Giant Planets, S. K. Atreya, Invited Lectures, European Research Course on Atmospheres, Grenoble, France, February, 1997.

  248. Chemistry and Clouds of the Atmosphere of Jupiter: A Galileo Perspective, S. K. Atreya, Invited Paper, The Three Galileos - The Man, The Spacecraft, The Telescope - Symposium, Padova, Italy, January, 1997.


    1996

  249. Clouds and Chemistry of the Atmosphere of Saturn: Prospects for Cassini and Lessons from Galileo, S. K. Atreya, Invited Paper, Cassini-Huygens International Conference on Saturn and Titan, Bologna, Italy, November, 1996.

  250. Lessons from Galileo Relevant to Laboratory Planetary Research, S.K. Atreya and P. Mahaffy, Invited Paper, International Conference on Laboratory Research for Planetary Atmospheres, Tucson, Arizona, October, 1996.

  251. Laboratory Studies Related to the Galileo Probe Neutral Mass Spectrometer Measurement of Jupiter's Atmosphere and Isotopic Composition, with P. Mahaffy and H. Niemann, Invited Paper, International Conference on Laboratory Research for Planetary Atmospheres, Tucson, Arizona, October, 1996.

  252. Chemical and Thermodynamical Nature of the Unperturbed Jovian Atmosphere, S. K. Atreya, Invited Paper, International Conference on the SL-9 Jupiter Collision, Observatoire de Paris - Meudon, France, July, 1996.

  253. Photochemistry of the Lower and Middle Atmosphere of Mars: Diurnal and Seasonal Results, S. K. Atreya, Invited Paper, COSPAR Meeting, Birmingham, England, July, 1996.

  254. Organic Chemistry of the Giant Planet Atmospheres, S. K. Atreya, Invited Paper, COSPAR Meeting, Birmingham, England, July, 1996.

  255. Galileo Probe Mass Spectrometer Measurements of the Composition of Jupiter's Atmosphere: Noble Gases and Isotopic Ratios, Invited Paper, with T. C. Owen, et al., COSPAR Meeting, Birmingham, England, July, 1996.

  256. Galileo Probe Mass Spectrometer Measurements of the Composition of Jupiter's Atmosphere: The Photochemical and Volatile Species, Invited Paper, S. K. Atreya, COSPAR Meeting, Birmingham, England, July, 1996.

  257. Galileo Probe Mass Spectrometer Measurements of the Composition of Jupiter's Atmosphere II: Invited Paper, S. K. Atreya, European Geophysical Society Meeting, The Hague, Netherlands, May, 1996.

  258. The Galileo Probe Mission and the Composition of Jupiter's Atmosphere, S.K. Atreya, Invited Seminar, Observatoire de Paris - Meudon, France, May 1996.

  259. Galileo Probe: Mission and Results, S. K. Atreya, Invited Speaker at the Annual Banquet of Science Research Club of The University of Michigan, Ann Arbor, Michigan, April, 1996.

  260. Galileo Probes Jupiter, S. K. Atreya, Invited Public Lecture , sponsored by The University of Michigan, Ann Arbor, Michigan, February, 1996.

  261. Comparative Planetary Atmospheres III: Mars and Venus, S. K. Atreya, Invited Lecture, European Research Course on Atmospheric and Interstellar Physics and Chemistry, Joseph Fourier University, Grenoble, France, February 1996.

  262. Comparative Planetary Atmospheres II: Uranus and Neptune, S. K. Atreya, Invited Lecture, European Research Course on Atmospheric and Interstellar Physics and Chemistry, Joseph Fourier University, Grenoble, France, February 1996.

  263. Comparative Planetary Atmospheres I: Jupiter and Saturn, S. K. Atreya, Invited Lecture, European Research Course on Atmospheric and Interstellar Physics and Chemistry, Joseph Fourier University, Grenoble, France, February 1996.


    1995

  264. Chemistry, Stability and Evolution of the Atmosphere of Mars, S. K. Atreya, Invited Paper, Mars Telescopic Observations Workshop, Cornell University, Ithaca, NY, August, 1995.

  265. Composition of Jupiter's Atmosphere: Prospects for Galileo, S. K. Atreya, Invited Paper, IAMAS/IUGG Meeting, Boulder, Colorado, July 1995.

  266. The Composition of Jupiter's Atmosphere Before, During and After the Impact of Comet Shoemaker-Levy 9, S.K. Atreya, Invited Colloquium, NASA Goddard Space Flight Center, Baltimore, Maryland, May, 1995.

  267. Jupiter After the Crash of Comet Shoemaker-Levy 9, S. K. Atreya, Invited Lecture, The Science Research Club of The University of Michigan, Ann Arbor, February, 1995.

  268. The Collision of Comet Shoemaker-Levy 9 with Jupiter in July 1994, S. K. Atreya, University Lecture, Joseph Fourier University, Grenoble, France, February, 1995.

  269. Comparative Planetary Atmospheres: Composition, Clouds, and Chemistry of Venus and Mars, S. K. Atreya, Invited Lectures, European Research Course on Atmospheric and Interstellar Physics and Chemistry, Joseph Fourier University, Grenoble, France, February 1995.

  270. Comparative Planetary Atmospheres: Composition, Clouds, and Chemistry of the Major Planets, S. K. Atreya, Invited Lectures, European Research Course on Atmospheric and Interstellar Physics and Chemistry, Joseph Fourier University, Grenoble, France, February, 1995.


    1994

  271. Photochemistry of the Atmosphere of Mars, S. K. Atreya, Invited Paper, COSPAR Meeting, Hamburg, Germany, July, 1994.

  272. Cosmic-Ray Initiated Chemistry in the Stratosphere of Neptune, S.K. Atreya, Invited Lecturer, European Research Course on Atmospheres, Joseph Fourier University, Grenoble, France, February, 1994.

  273. Modification of Jupiter's Atmospheric Composition Following the Impact of Comet Shoemaker-Levy 9: Predictions, S.K. Atreya, Invited Lecturer, European Research Course on Atmospheres, Joseph Fourier University, Grenoble, France, February, 1994.

  274. Chemistry of Planetary Atmospheres: Major Planets and Satellites, S.K. Atreya, Invited Lecturer, European Research Course on Atmospheres, Joseph Fourier University, Grenoble, France, February, 1994.

  275. Chemistry of Planetary Atmospheres: Terrestrial Planets, S.K. Atreya, Invited Lecturer, European Research Course on Atmospheres, Joseph Fourier University, Grenoble, France, February, 1994.


    1993

  276. Composition and Chemistry of the Stratospheres and Tropospheres of the Giant Planets -- New Breakthroughs, S.K. Atreya, Invited Paper, Symposium on Planetary Atmospheres and Magnetospheres, IAGA General Assembly, Buenos Aires, Argentina, August, 1993.

  277. The Stability of Martian Atmosphere: An Enigma, S.K. Atreya, Invited Paper, Symposium on Mars and Venus, IAMAP General Assembly, Yokohama, Japan, July, 1993.


    1992

  278. Comparative Planetary Ionospheres, S. K. Atreya, Invited Speaker, Magnetospheres of the Outer Planets, Goertz-Smith Memorial Symposium, UCLA, Los Angeles, California, June, 1992.

  279. Role of Extraplanetary Material in the Atmospheres and Ionospheres of the Outer Planets, S.K. Atreya, Invited Speaker, Space Research Institute (IKI) of the Russian Academy of Sciences, Moscow, Russia, June 1992.

  280. The Troposphere of Neptune, Invited Paper, Neptune Colloquium, Tucson, Arizona, January, 1992.

  281. The Middle and Upper Atmosphere of Neptune, Invited Paper, Neptune Colloquium, Tucson, Arizona, January, 1992.


    1991

  282. Solar Occultations from Phobos: Implications for the Martian Middle Atmosphere, with E. Chassefiere, Invited Paper, IUGG/IAMAP Plenary Meeting, Vienna, Austria, August, 1991.

  283. The GCMS (Gas Chromatograph Mass Spectrometer) Experiment on Cassini-Huygens Probe, S.K. Atreya, Invited Paper, European Geophysical Society Meeting, Wiesbaden, Germany, April 1991.

  284. The Martian Photochemistry -- Old and New, S. K. Atreya, Invited Paper, European Geophysical Society Meeting, Wiesbaden, Germany, April, 1991.

  285. Comparative Planetary Atmospheres of Neptune and Uranus -- A Post Voyager Perspective, S. K. Atreya, Invited Speaker, Observatoire de Meudon/Universite de Paris, France, March, 1991.


    1990

  286. Laboratory Measurements for Interpreting Solar System Observations, S. K. Atreya, Invited Panelist, "Physico-Chimie Liee Aux Missions Spatiales" Symposium of French Chemical Society and the French Physical Society, Paris-Meudon, October 1990.

  287. Physical Chemistry of Planetary Atmospheres, S. K. Atreya, Invited Speaker, "Physico-Chimie Liee Aux Missions Spatiales" Symposium of French Chemical Society and the French Physical Society, Paris-Meudon, October, 1990.

  288. Critical Laboratory Measurements for the Outer Planetary Atmospheres, S. K. Atreya, Invited Paper, Division of Planetary Sciences Meeting, Charlottesville, Virginia, October 1990.

  289. Thermodynamics and Photochemistry of Neptune's Atmosphere: Lessons from Voyager, S. K. Atreya, Invited Paper, COSPAR Plenary Meeting, The Hague, Netherlands, July, 1990.

  290. The Neptune Atmosphere after Voyager, S. K. Atreya, Invited Speaker, Goddard Space Flight Center, May, 1990.

  291. The Atmosphere of Mars after "Phobos": New Challenges, S. K. Atreya, Invited Speaker, European Geophysical Society Meeting, Copenhagen, Denmark, and April 1990.


    1989

  292. The Martian Middle and Upper Atmosphere, S. K. Atreya, Invited Paper, CNES/IKI International Colloquium on the Results of the Soviet Phobos Mission, Paris, France, October, 1989.

  293. Heterogeneous Chemistry in the Middle Atmosphere of Mars, S. K. Atreya, Invited Talk, in Discussion of Soviet Phobos Observations at Mars, Jet Propulsion Laboratory, Pasadena, California, August, 1989.

  294. An Evening Amongst the Giants, S. K. Atreya, Dinner Speech, Geological Sciences Sesquicentennial Symposium, University of Michigan, Ann Arbor, May 1989.


    1988

  295. Initiative in Laboratories for Planetary Atmospheres Research, Invited Paper, American Geophysical Union Meeting, San Francisco, California, December, 1988.

  296. Giant Planets: Clues on Past and Current Organic Chemistry in the Outer Solar System, Invited Lecture, with J. B. Pollack, Symposium on Exobiology in the Solar System, Sunnyvale, California, August, 1988.

  297. Uranus Photochemistry and Prospects for Voyager/Neptune, S. K. Atreya, Invited Paper, COSPAR Plenary Meeting, Helsinki, Finland, July, 1988.

  298. Outflow and Production Rate of H and O(1D)from Comets Halley and Wilson, Invited Paper, with R. B. Kerr, COSPAR Plenary Meeting, Helsinki, Finland, July, 1988.

  299. Upper Atmosphere of Uranus, Invited Paper, with D. Strobel, D. Shemansky and R. Yelle, Uranus Symposium, Pasadena, California, June 1988.

  300. Photochemistry and Vertical Mixing, S. K. Atreya, B. R. Sandel and P. N. Romani, Invited Paper, Uranus Symposium, Pasadena, California, June 1988.

  301. Stratospheric Chemistry on Uranus and Neptune, S. K. Atreya, Invited Talk, Goddard Institute for Space Studies/Columbia University, New York, February, 1988.


    1987

  302. Aeronomy of the Major Planets: Outstanding Problems and Challenges, S. K. Atreya, Invited Speaker, American Geophysical Union Meeting, San Francisco, December, 1987.

  303. Time Variable Structure and Chemical Disequilibrium in Jupiter's Atmosphere, Invited Paper, with P. Drossart, R. Courtin and A. Tokunaga, International Workshop on Time Variable Phenomena in the Jovian System, Flagstaff, Arizona, August, 1987.

  304. Titan - Atmospheric Evolution, S. K. Atreya, Invited Lecture, Geophysical Institute, University of Tokyo, Japan, July, 1987.

  305. Uranus, S. K. Atreya, Invited Lecture, Institute of Space and Aeronautical Science, Tokyo, Japan, July, 1987.

  306. Voyager Exploration of the Outer Solar System, S. K. Atreya, Invited Lectures, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing, China, June, 1987.

  307. Titan, Triton and Pluto, Invited Paper, with J. I. Lunine and J. B. Pollack, Origin and Evolution of Planetary Atmospheres Conference, Tucson, March, 1987.


    1986

  308. Observations of the Geocorona with Optical and Radar Techniques Near Solar Minimum, with R.B. Kerr, et al., Invited Paper, Coupling, Energetics, and Dynamics of Atmospheric Regions Workshop, Boulder, Colorado, December, 1986.

  309. Cloud Condensation and Photochemical Hazes in the Outer Solar System, S. K. Atreya, Invited Lecture, International Union of Pure and Applied Chemistry Meeting, Lisbon, Portugal, July, 1986.

  310. Neutral Upper Atmospheres of the Outer Planets, S. K. Atreya, Invited Paper, COSPAR/ICSU Plenary Meeting, Toulouse, France, July, 1986.

  311. Chemical Evolution of Planetary Atmospheres: Some Outstanding Issues to be Resolved From Earth Orbit, S. K. Atreya, Invited Talk, Earth Orbital Astronomy Workshop, NASA/JPL, January 1986.


    1985

  312. Saturn Upper Atmosphere, S. K. Atreya, Invited Paper, Cassini/Saturn Orbiter-Titan Probe Symposium and Workshop, Alpbach, Austria, September, 1985.

  313. A Search for H2S on Jupiter: Implications for Cloud Composition, Invited Paper, with G. L. Bjoraker and H. P. Larson, International Association for Meteorology and Atmospheric Physics Scientific Assembly, Honolulu, Hawaii, August, 1985.

  314. Une Journé Sur Uranus, S. K. Atreya, Invited Panelist, Observatoire de Paris, Meudon, France, March, 1985.


    1984

  315. Chemistry, Clouds and Aeronomy of Uranus and Neptune -- Predictions for Voyager Observations, S. K. Atreya, Invited Lecture, Observatoire de Paris, Meudon, France, November, 1984.

  316. Uranus and Neptune: Clouds and Photochemical Hazes -- Prospects for Voyager, S. K. Atreya, Invited Lecture, Imperial College of Science and Technology, London, England, October, 1984.

  317. Planetary Atmospheres and Ionospheres Modified by Ring Material, S. K. Atreya, Invited Paper, XXV COSPAR Plenary Session, Graz, Austria, June-July, 1984.

  318. Saturn, S. K. Atreya, Invited Speaker, European Science Foundation/European Space Agency Symposium of Planetary Science, Max Planck Institut fur Kernphysik, Heidelberg, Germany, April 1984.

  319. Upper Atmospheres/Aeronomy, S. K. Atreya, Invited Paper, Uranus, Neptune Workshop and Conference, Pasadena, California 1984.

  320. Ion Production in the Atmospheres of the Major Planets and Satellites, S. K. Atreya, Invited Paper, Yosemite Planetary Plasma Conference, Yosemite, California, January, 1984.


    1983

  321. Photochemistry and Cloud Physics of the Outer Planets, S. K. Atreya, Invited Paper, International Association of Meteorology and Atmospheric Physics Scientific Assembly, Seymour L. Hess Memorial Symposium, Hamburg, West Germany, August, 1983.

  322. Comparative Ionospheres of Uranus and the other Major Planets S. K. Atreya, Invited Paper, International Association of Geomagnetism and Aeronomy Scientific Assembly, Hamburg, West Germany, August, 1983.

  323. The Reducing Atmospheres: Major Planets and Titan, S.K. Atreya, Invited Colloquium, Wayne State University, Detroit, Michigan, April, 1983.

  324. Exploration of the Major Planets, S.K. Atreya, Invited Colloquium, University of Western Ontario, London, Ontario, January, 1983.


    1982

  325. Aeronomy of Jupiter and Saturn, S. K. Atreya, Invited Paper, XXIV COSPAR Plenary Meeting, Ottawa, Canada, May-June, 1982.

  326. Saturn: Upper Atmosphere and Ionosphere, S. K. Atreya, Invited Paper, Saturn International Conference, Tucson, Arizona, May, 1982.

  327. Energetics, Vertical Mixing and Aeronomy of the Atmospheres of Jupiter and Saturn, S. K. Atreya, Invited Lecture, The Royal Astronomical Society, London, England, January, 1982.


    1981

  328. Atmospheres of the Major Planets--A Post Voyager View, S.K. Atreya, Invited Lecture, The Johns Hopkins University, Baltimore, Maryland, October, 1981.

  329. Atmospheres, Ionospheres and Evolution of the Outer Planets and Titan, S. K. Atreya, Invited Speaker, International Association of Geomagnetism and Aeronomy Scientific Assembly, Edinburgh, Scotland, August, 1981.

  330. Saturn and Titan: Atmospheres and Evolution, S.K. Atreya, Invited Colloquium, Rice University, Houston, Texas, April, 1981.

  331. Upper Atmospheres of Saturn and Titan--Voyager Results, S.K. Atreya, Invited Speaker, NASA Planetary Atmospheres Principal Investigators Third Meeting, Baltimore, Maryland, February 1981.


    1980

  332. New Results on High Resolution Measurements of the Hydrogen Spectral Profiles with a Fabry-Perot Interferometer, Invited Paper, with J. W. Meriwether, Symposium on Equatorial Aeronomy, Arecibo, Puerto Rico, July, 1980.

  333. Measurement of Minor Gases in the Earth's Atmosphere, S. K. Atreya, Invited Speaker, XXIII COSPAR Plenary Meeting, Budapest, Hungary, June, 1980.

  334. The Jovian Upper Atmosphere, S. K. Atreya, Invited Speaker, XXIII COSPAR Plenary Meeting, Budapest, Hungary, June 1980.

  335. The Voyager Observations of the Atmosphere of Jupiter and its Environment: Implications for Aeronomy, S. K. Atreya, Invited Speaker, The Royal Astronomical Society Meeting, London, England, January, 1980.


    1979

  336. The Upper Atmosphere of Jupiter--Voyager Results, S.K. Atreya, Invited Speaker, NASA Planetary Atmospheres Principal Investigators Second Meeting, Boulder, Colorado, November 1979.

  337. Scientific Research with the Space Telescope, Invited Discussant, Institute for Advanced Studies, Princeton, N.J., August 1979.


    1978

  338. The Visible Atmosphere of Jupiter, S. K. Atreya, Invited Paper, Symposium on Planetary Surfaces and Atmospheres, COSPAR Plenary Meeting, Innsbruck, Austria, May-June, 1978.


    1975

  339. Model Ionospheres of Jupiter, S. K. Atreya, Invited Paper, International Astronomical Union Colloquium and Jupiter Workshop, Tucson, Arizona, May, 1975.




CONTRIBUTED MEETING PRESENTATIONS
(For Invited Talks, click here)

    2022

  1. Evaluating Atmospheric and Surface Drivers for O2 Variations at Gale Crater as Observed by MSL SAM, with D. Y. Lo, M. H. Wong, M. G. Trainer, H. B. Franz, et al., American Geophysical Union Meeting (AGU), Chicago, December 2022.

  2. SPICAV/SOIR Observations of Venus Indicate Saturation Below Homopause, with A. Bhattacharya, C. Li, A. Mahieux, et al. American Geophysical Union Meeting (AGU), Chicago, December 2022.

  3. Modeling Gas Giant Lightning in Non-Aqueous Clouds, with Y. Aglyamov, J. I. Lunine, H. Becker, S. Bolton, T. Guillot, American Geophysical Union Meeting (AGU), Chicago, December 2022.

  4. Low Metallicity Alkali Metals Inferred from Juno MWR Observations, with A. Bhattacharya, C. Li, P. Steffes, et al. Division of Planetary Sciences Annual Meeting (DPS), London, Ontario, October 2022.

  5. Tunable Laser Spectrometers for Planetary Science, with C. R. Webster, A. Hofmann, In Situ Exploration of the Giant Planets Workshop II, Applied Physics Laboratory (APL), MD, July 2022.

  6. Using Mars Science Laboratory (MSL) in situ isotope measurements to plan Mars sample return science: Methane evolved from Gale crater rock samples show a wide range of carbon isotopic compositions, with C. H. House, G. M. Wong, C. R. Webster, et al. Astrobiology Science Conference (AbSciCon), May 2022.

  7. JIRAM Observations of Jupiter's upper Troposphere, with D. Grassi, et al., European Geosciences Union Meeting (EGU), Vienna, May 2022.

  8. The Depth of Vortices in Jupiter’s Atmospheres, with J. Bolton, S. Levin, T. Guillot, C. Li, et al., European Geosciences Union Meeting (EGU), May, May 2022.

  9. What Can Drive the Atmospheric O2 Variations Observed by MSL/SAM? with D. Y. Lo, M. H. Wong, M. G. Trainer, H. B. Franz, P. R. Mahaffy, C. A. Malespin and C. R. Webster, Lunar and Planetary Science Conference, Woodland, TX, March 2022.

  10. Jupiter’s Temperature Structure: A Reassessment of the Voyager Radio Occultation Results, with P. Gupta, P. G. Steffes, M. D. Allison, S. J. Bolton, L. Fletcher, T. Guillot, R. Helled, S. Levin, C. Li, J. I. Lunine, Y. Miguel, G. S. Orton, J. H. Waite, and P. Withers, European Geosciences Union Meeting (EGU), Vienna, May 2022.

  11. Limb darkening values of Jupiter’s Atmosphere at 600 MHz Measured by Juno Microwave Radiometer, with C. Li, A. Bhattacharya, S. Levin, S. Bolton, P. Gupta, A. Ingersoll, J. Lunine, G. Orton, P. Steffes, H. Waite, M. Wong, European Geosciences Union Meeting (EGU), Vienna, May 2022.

  12. In Situ Exploration of the Atmospheres of the Ice Giant Planets, with O. Mousis, et al., European Geosciences Union Meeting (EGU), Vienna, May 2022.

  13. JIRAM Observations of Jupiter's upper Troposphere, with D. Grassi, et al., European Geosciences Union Meeting (EGU), Vienna, May 2022.

  14. The Depth of Vortices in Jupiter’s Atmospheres, with J. Bolton, S. Levin, T. Guillot, C. Li, et al., European Geosciences Union Meeting (EGU), May, May 2022.

  15. What Can Drive the Atmospheric O2 Variations Observed by MSL/SAM? with D. Y. Lo, M. H. Wong, M. G. Trainer, H. B. Franz, P. R. Mahaffy, C. A. Malespin and C. R. Webster, Lunar and Planetary Science Conference, Woodland, TX, March 2022.


    16. 2021

  16. Alkali Metals in Jupiter’s Atmosphere, with C. Li, A, Bhattacharya, S. Levin, S. Bolton, T. Guillot, P. Gupta, A. Ingersoll, J. Lunine, G. Orton, P. Steffes, H. Waite, M. H. Wong, American Geophysical Union Meeting, New Orleans, LA, December 2021.

  17. Predicting Lightning Depth Distributions of Saturn, Uranus, and Neptune, with Y. Aglyamov, J. Lunine, S. Levin, H. Becker, T. Guillot, American Geophysical Union Meeting, New Orleans, LA, December 2021.

  18. Looking for Water in Jupiter’s Atmosphere: Adam Showman’s Legacy and Juno Measurements, T. Guillot, M. H. Wong, G. Bjoraker, S. Bolton, C. Li, L. Fletcher, G. Orton, Y. Kaspi, American Geophysical Union Meeting, New Orleans, LA, December 2021.

  19. Assessing the Interannual Variability in the Chemical and Isotopic Composition of the Martian Atmosphere with MSL/SAM, with M. G. Trainer, H. B. Franz, M. H. Wong, C. R. Webster, G. J. Flesch, P. R. Mahaffy, C. A. Malespin, American Geophysical Union Meeting, New Orleans, LA, December 2021.

  20. Atmospheric Entry Probes for the Giant Planets, with O. Mousis, D. Atkinson, Asia Oceana Geoscience Society (AOGS) 13th Annual Meeting, Singapore, June-July 2021.

  21. Measurements by Probe and Orbiter Critical for Models of Formation and Evolution of Uranus and Neptune, with P. Gupta, T. Kumar, C. Li,, O. Mousis, and K. R. Reh,, European Geosciences Union Meeting (EGU), Vienna, Austria, April 2021.

  22. Properties of H3+ and CH4 at mid and equatorial latitudes in the Jovian atmosphere, observed with JIRAM on Juno, with A. Migliorini, B. M. Dinelli, M. L. Moriconi, et al., European Geosciences Union Meeting (EGU), Vienna, Austria, April 2021.

  23. Re-Analysis of Phosphorus and Related Trace Species in the Lower Venus Atmosphere from Pioneer Venus Neutral Mass Spectrometer Data, with W. B. Brinckerhoff, X. Li, P. R. Mahaffy, 52nd Lunar and Planetary Science Conference, Abstract 1382.pdf, Woodland TX, March 2021.

  24. Search for Phosphine in the Evolved Gases of Lacustrine Sedimentary Rocks at Gale Crater by the Sample Analysis at Mars Instrument on Board the Curiosity Rover, with R. Navarro-González, P. Coll, C. Szcopa, C. Freissinet, A. Buch, C.P. McKay, et al., 52nd Lunar and Planetary Science Conference, Abstract 1358.pdf, Woodland TX, March 2021.

  25. Abiotic input of Fixed Nitrogen by Bolide Impacts in CH4+CO2+N2 and H2+CH4+CO2+N2 Atmospheres: Comparison with Nitrate Levels Measured by the Curiosity Rover’s Sample Analysis at Mars instrument, with R. Navarro-González, K. Navarro, C.P. McKay, et al., 52nd Lunar and Planetary Science Conference, Abstract 1365.pdf, Woodland TX, March 2021.

  26. Assessing Interannual Variability in the Chemical And Isotopic Composition of the Martian Atmosphere., with H. B. Franz, M. G. Trainer, M. H. Wong, C. R. Webster, G. J. Flesch, P. R. Mahaffy, and C. A. Malespin, 52nd Lunar and Planetary Science Conference, Abstract 2012.pdf, Woodland TX, March 2021.

  27. in situ Exploration of the Exoplanet Next Door: Revealing the Chemistry, Habitability and Evidence of Biological Processes in The Clouds of Venus, with K. H. Baines, J. A. Cutts, S. Seager, C. Wilson, D. Nikolić, C. Lindensmith, E. Serabyn, S. M. Madzunkov, J.-B. Renard, O. Mousis D. L. Delitsky and S. S. Limaye, AAS Astrobiology Conference on Habitable Worlds, February 2021.

  28. The Formation and Migration of the Icy Giant Planets: Constraints from Synergistic in situ and Remote Observations, S. K. Atreya, M. Hofstadter, C. Li, K. R. Reh, C. Sotin, M. H. Wong, Committee on Space Research (COSPAR) 43rd General Assembly, Sydney, Australia, January 2021.

  29. Key Atmospheric Signatures for Identifying the Source Reservoirs of Volatiles in Uranus and Neptune, with O. Mousis, A. Aguichine, D. H. Atkinson, T. Cavalié, J. I. Lunine, K. E. Mandt, T. Ronnet, Committee on Space Research (COSPAR) 43rd General Assembly, Sydney, Australia, January 2021.

  30. The Scientific Imagery of Juno’s Stellar Reference Unit, with H. N. Becker, J. W. Alexander, S. J. Bolton, M. J. Brennan, S. Brown, M. Florence, A. Guillaume, T. Guillot, A. Ingersoll, S. M. Levin, J. I. Lunine, P. G. Steffes, Y. S. Aglyamov, Committee on Space Research (COSPAR) 43rd General Assembly, Sydney, Australia, January 2021.

  31. The Latest Results from the Juno Microwave Radiometer at Jupiter, with S. Levin, and the Juno Microwave Radiometer Team, Committee on Space Research (COSPAR) 43rd General Assembly, Sydney, Australia, January 2021.

  32. JunoCam Imaging of Jupiter Through 28 Perijoves, with G. Orton, C. Hansen, M. Ravine, and the JunoCam Team, Committee on Space Research (COSPAR) 43rd General Assembly, Sydney, Australia, January 2021.

  33. Influence of Ring Shadow and Reflected Light on Photochemistry and Heating in Saturn’s Atmosphere, with S. G. Edgington, et al., Committee on Space Research (COSPAR) 43rd General Assembly, Sydney, January 2021.


    34. 2020

  34. Deep Atmosphere of Venus Investigation of Noble gases, Chemistry, and Imaging (DAVINCI): Discovering a New Venus via a Flyby, Probe, Orbiter Mission, with J. Garvin, G. Arney, S. Getty, N. Johnson, and the DAVINCI Team, American Geophysical Union Meeting (AGU), San Francisco, December 2020.

  35. DAVINCI Answers Long Standing Emerging Questions About the Venus Atmosphere, with S. Getty, J. Garvin, G. Arney, N. Johnson, M. Amato, and the DAVINCI Team, American Geophysical Union Meeting (AGU), San Francisco, December 2020.

  36. DAVINCI: Opening the History Book of Venus and Connecting to Analog Exoplanets, with G. Arney, J. Garvin, S. Getty, N. Johnson, D. Atkinson, and the DAVINCI Team, American Geophysical Union Meeting (AGU), San Francisco, December 2020.

  37. Venus, Earth’s Divergent Twin?: Testing Evolutionary Models for Venus with the DAVINCI Mission, with W. Kiefer, J. Garvin, A. Giada, B. Campbell, V. Cottini, J. Filiberto, S. Getty, M. Gilmore, D. Grinspoon, N. Izenberg, N. Johnson, R. Lorenz, C. Malespin, M. Ravine, C. Webster, K. Zahnle, American Geophysical Union Meeting (AGU), San Francisco, December 2020.

  38. Balloon-based Atmospheric Investigations of Venus, with Kevin H. Baines, James A. Cutts, Mark A. Bullock, Kandis L. Jessup, Sebastien Lebonnois, Dragan Nikolić, Jean-Baptiste Renard, Olivier Mousis, Sara Seager8 and Colin Wilson, American Geophysical Union Meeting (AGU), San Francisco, December 2020.

  39. Scientific Goals for the Venus Flagship Mission's Cloud-level Aerobot, with Colin Wilson, Marty Gilmore, Patricia Beauchamp, Mark Bullock, Penelope Boston, Shannon Curry, Jennifer Jackson, Kevin Baines, Dragan Nikolic, Jeffery Hall, Jacob Izraelevitz, Sebastien Lebonnois, American Geophysical Union Meeting (AGU), San Francisco, December 2020.

  40. Determining the Global Water Abundance in Jupiter from Juno MWR, with Zhimeng Zhang, Steven Levin, Virgil Adumitroaie, and the Juno MWR Team, American Geophysical Union Meeting (AGU), San Francisco, December 2020.

  41. The Internal Structure of Jupiter’s Great Red Spot, with Cheng Li, and the Juno MWR Team, American Geophysical Union Meeting (AGU), San Francisco, December 2020.

  42. A Depletion of Ammonia and Water by Storms in the Deep Atmosphere of Jupiter, with T. Guillot, S. Bolton, S, Brown, and the Juno MWR Team, American Geophysical Union Meeting (AGU), San Francisco, December 2020.

  43. Observations of Jovian Electrical Storms by Juno’s SRU, with H. Becker, American Geophysical Union Meeting (AGU), San Francisco, December 2020.

  44. Venus, Earth’s Divergent Twin?: Testing Evolutionary Models for Venus with the DAVINCI Mission, with W. Kiefer, J. Garvin, A. Giada, B. Campbell, V. Cottini, J. Filiberto, S. Getty, M. Gilmore, D. Grinspoon, N. Izenberg, N. Johnson, R. Lorenz, C. Malespin, M. Ravine, C. Webster, K. Zahnle, and the DAVINCI Team, Europlanet Science Congress, EPSC2020.

  45. A Depletion of Ammonia and Water by Storms in the Deep Atmosphere of Jupiter with T. Guillot et al., Europlanet Science Congress, EPSC2020.

  46. Synergistic Probe-Orbiter Science and Measurements for Understanding the Formation and Evolution of the Icy Giant Planets, S. K. Atreya, O. Mousis, and K. R. Reh, T. Kumar, P. Gupta, European Geosciences Union Meeting (EGU), Vienna, Austria, May 2020.

  47. Key Atmospheric Signatures for Identifying the Source Reservoirs of Volatiles in Uranus and Neptune, with O. Mousis, A. Aguichine, D. H. Atkinson, T. Cavalié, J. I. Lunine, European Geosciences Union Meeting (EGU), Vienna, Austria, May 2020.

  48. Recent Results from the Imagery of Juno’s Stellar Reference Unit, with H. N. Becker, J. W. Alexander, S. J. Bolton, and the Juno SRU Team, European Geosciences Union Meeting (EGU), Vienna, Austria, May 2020.

  49. Necessity of Returning a Sample of the Martian Atmosphere, with B. M. Jakosky, R. W. Zurek, P. R. Mahaffy, K. Zahnle, O. B. Toon, M. Tolbert, M. J. Mumma, D. J. DesMarais, C.R. Webster, and M. Amato, 51st Lunar and Planetary Science Conference (LPSC), Abstract 1723.pdf, Woodland TX, March 2020.

  50. Day-Night Differences in Near-Surface Mars Methane Seen by Curiosity at Gale Crater: Updated Results Including Intercomparison with Exomars Trace Gas Orbiter, with C.R. Webster, P. R. Mahaffy, G. J. Flesch, C. E. Malespin, J. E. Moores, 51st Lunar and Planetary Science Conference, Abstract 1539.pdf, Woodland TX, March 2020.

  51. Venus Flagship Mission Planetary Decadal Study, A Mission To The Closest Exoplanet, with M. S. Gilmore, P. M. Beauchamp, and the 2019 Venus Flagship Study Science Team, Exoplanets in our Backyard, Houston, Texas, USA, February 2020.

  52. H2O and SO2 Thermal Mapping on Venus: Evidence for a Long-Term Anti-Correlation in their Abundances, with T. Encrenaz, T. Widemann, B. Bézard, T. Fouchet, EnVision Conference, Paris, France, February 2020.

  53. Science and Measurements Critical to Unravel the Origin and Migration of the Icy Giant Planets, S. K. Atreya, M. H. Hofstadter, O. Mousis, K. R. Reh, M. H. Wong, Ice Giants System Meeting, Royal Society, London, UK, January 2020.

  54. Key Atmospheric Signatures for Identifying the Source Reservoirs of Volatiles in Uranus and Neptune, with O. Mousis, A. Aguichine, D. H. Atkinson, T. Cavalié, J. I. Lunine, K. E. Mandt, T. Ronnet, Ice Giants System Meeting, Royal Society, London, UK, January 2020.


    55. 2019

  55. Atmospheric Evolution and Persistence of Martian Habitability from Isotope Ratios Measured by MSL and MAVEN, with P. R. Mahaffy, H. B. Franz, C. R Webster, M. Benna, P. Martin, M. H. Wong, American Geophysical Union Meeting (AGU), San Francisco, December 2019.

  56. Distribution of Storms and Moist Convection on Jupiter Derived from Juno MWR Data, with S. T. Brown, M. A. Janssen, S. J. Bolton, A. P. Ingersoll, S. Levin, C. Li, J. I. Lunine, G. Orton, P. G. Steffes, American Geophysical Union Meeting (AGU), San Francisco, December 2019.

  57. Results from Juno's Stellar Reference Unit Survey of Jovian Lightning, with H. N. Becker, J. W. Alexander, S. J. Bolton, M. J. Brennan, S. T. Brown, A. Guillaume, A. P. Ingersoll, S. Levin, P. G. Steffes, T. Guillot, American Geophysical Union Meeting (AGU), San Francisco, December 2019.

  58. Synchrotron Radiation Belts at Jupiter - Juno's MWR Observations Versus Modeling Results, with V. Adumitroaie, M. A. Janssen, S. Gulkis, S. T. Brown, S. Levin, G. Orton, F. A. Oyafuso, J. K. Arballo, C. Li, A. P. Ingersoll, Z. Zhang, M. D. Allison, P. G. Steffes, S. J. Bolton, American Geophysical Union Meeting (AGU), San Francisco, December 2019.

  59. Jupiter As Seen By The Juno Microwave Radiometer: A Progress Report, with S. Levin, V. Adumitroaie, M. D. Allison, J. K. Arballo, H. N. Becker, S. J. Bolton, S. T. Brown, J. E. P Connerney, T. Guillot, S. Gulkis, A. L. Hodges, A. P. Ingersoll, M. A. Janssen, C. Li, L. Li, J. I. Lunine, S. Misra, G. S. Orton, F. A. Oyafuso, D. S. Costa, E. Sarkissian, P. G. Steffes, J. W. Alexander, Z. Zhang , American Geophysical Union Meeting (AGU), San Francisco, December 2019.

  60. CH4 Spatial and Vertical Distribution in the Jovian Atmosphere Observed by JIRAM on Juno Mission, with A. Migliorini, B. M. Dinelli, F. Altieri, M. L. Moriconi, A. Adriani, A.Mura, S. J. Bolton, J. M. C. Gerard, F. Tosi, G. Piccioni, R.Sordini, R. Noschese, A. Cicchetti , American Geophysical Union Meeting (AGU), San Francisco, December 2019.

  61. Relating Jovian Lightning Rates and Water Abundance: A One-Dimensional Model, with Y. S. Aglyamov, J. I. Lunine, S. Levin, H. N. Becker, American Geophysical Union Meeting (AGU), San Francisco, December 2019.

  62. In situ Exploration of Icy Giant Planets with Entry Probe, S. K. Atreya, O. Mousis, Joong H, EPSC-DPS Joint Meeting, Geneva, Switzerland, September 2019.

  63. Ice Giant Systems, with D.H. Atkinson, T. Cavalié, L. Fletcher, M. Hofstadter, O. Mousis, C. Paty, E. Turtle, EPSC-DPS Joint Meeting, Geneva, Switzerland, September 2019.

  64. D/H mapping on Mars with SOFIA at Autumn Equinox, with T. Encrenaz, C. DeWitt, M. Richter, T. Greathouse, S. Aoki, F. Daerden, F. Montmessin, F. Lefévre, T. Fouchet, B. Bézard, H. Sagawa, EPSC-DPS Joint Meeting, Geneva, Switzerland, September 2019.

  65. Ground-Based Mapping of SO2 and HDO on Venus in the Thermal Infrared, with T. Encrenaz, T. Greathouse, E. Marcq, H. Sagawa, T. Widemann, B. Bézard, T. Fouchet, F. Lefévre, S. Lebonnois, Y. J. Lee, R. Giles, S. Watanabe, EPSC-DPS Joint Meeting, Geneva, Switzerland, September 2019.

  66. Storms and the Distribution of Ammonia in Jupiter's Atmosphere, with T. Guillot, D. J. Stevenson, C. Li, A. Ingersoll, S. Bolton, EPSC-DPS Joint Meeting, Geneva, Switzerland, September 2019.

  67. Jupiter Midway through the Juno Mission, with J. I. Lunine, H. Becker, S. Bolton, E. Bunce, D. Durante, A. Mura, G. Orton, P. Steffes, EPSC-DPS Joint Meeting, Geneva, Switzerland, September 2019.

  68. Highlights of Scientific Imagery from Juno's Stellar Reference Unit, with M. J. Brennan, J. W. Alexander, A. Guillaume, S. Brown, A. Ingersoll, M. Janssen, S. J. Bolton, S. M. Levin, P. G. Steffes, J. E. P. Connemey, EPSC-DPS Joint Meeting, Geneva, Switzerland, September 2019.

  69. Photochemistry and Heating in Saturn's Atmosphere: Ring Shadow and Ring Reflection, with S. Edgington, E. Wilson, K. Baines, R. West, G. Bjoraker, L. Fletcher, T. Momary, EPSC-DPS Joint Meeting, Geneva, Switzerland, September 2019.

  70. Sounding Saturn's Atmosphere at Microwave Wavelengths, with M. Hofstadter, V. Adumitroaie, B. Butler, EPSC-DPS Joint Meeting, Geneva, Switzerland, September 2019.

  71. A Diurnal Cycle in Near-Surface Methane Concentration from Micro-Seepage as Constrained by TLS and TGO, with J. Moores, P. King, C. Smith, G. Martinez, C. Newman, S. Guzewich, P. Y. Meslin, C. Webster, P. Mahaffy, A. Schuerger, EPSC-DPS Joint Meeting, Geneva, Switzerland, September 2019.

  72. In Situ Exploration of the Icy Giant Planets: Science Drivers and Technical Challenges, S.K. Atreya, O. Mousis, Asia Oceania Geosciences Society (AOGS) 12th Annual Meeting 2019, Singapore, July-August 2019.

  73. Oxidants on Mars: Role of Radiolysis, Photochemistry and Surface-Atmosphere Interaction, S.K. Atreya, P. Mahaffy, T. Encrenaz, R. Kaiser, E. Wilson, Asia Oceania Geosciences Society (AOGS) 12th Annual Meeting 2019, Singapore, July-August 2019.

  74. The Newest Results from the Juno MWR Instrument, with V. Adumitroaie, S. Levin, M. Janssen, J. E. P. Connerney, M. Allison, J. Arballo, H. Becker, S. Brown, S. Gulkis, A. Hodges, A. Ingersoll, C. Li, J. Lunine, S. Mirsa, F. Oyafuso, D. Santos-Costa, E. Sarkissian, P. Steffes, J. H. Waite JR, Z. Zhang, S. Bolton, Asia Oceania Geosciences Society (AOGS) 12th Annual Meeting 2019, Singapore, July-August 2019.

  75. Current Understanding of the Formation of Jupiter Midway Through the Juno Mission, with J. Lunine, T. Guillot, R. Helled, W. Hubbard, D. Stevenson, A. Ingersoll, Asia Oceania Geosciences Society (AOGS) 12th Annual Meeting 2019, Singapore, July-August 2019.

  76. Methane on Mars from MSL-Curiosity and ExoMars-Trace Gas Orbiter: A Destructive Role of Surface Oxidants?, S.K. Atreya, T. Encrenaz, O. Korablev, P. R. Mahaffy, J. E. Moores, A. C. Vandaele, C. R. Webster, P. Y. Meslin, R. N. Gonzalez, Abstract #6067, The Ninth International Conference on Mars, Pasadena, California, July 2019.

  77. Atmospheric History and Surface Redox Processes Inferred from MSL and MAVEN Isotope Ratios, with P. R. Mahaffy, H. B. Franz, C. R. Webster, C. Malespin, S. P. Schwenzer, J. C. Stern, A. A. Pavlov, P. E. Martin, K. A. Farley, R. Navarro-Gonzalez, M. Benna, M. Slipski, Abstract #6047, The Ninth International Conference on Mars, Pasadena, California, July 2019.

  78. A Diurnal Cycle in Near-Surface Atmospheric Methane Concentration from Micro-seepage as Constrained by TLS and TGO, with J. E. Moores, P. L. King, C. L. Smith, G. M. Marinez, C. Newman, S. Guzewich, P. Y. Meslin, C. Webster, P. R. Mahaffy, A. C. Schuerger, Abstract #6102, The Ninth International Conference on Mars, Pasadena, California, July 2019.

  79. Implications of a Strong Adsorption Process on the Variability of Methane in the Martian Atmosphere, with P. Y. Meslin, J. Weinmann, J. E. Moores, C. L. Smith, F. Forget, E. Millour, R. Gough, C. Webster, P. Mahaffy, Abstract #6401, The Ninth International Conference on Mars, Pasadena, California, July 2019.

  80. Critical Role of Entry Probes in the Giant Planet Exploration, S. K. Atreya and O. Mousis, Japan Geoscience Union (JpGU) Meeting, Tokyo-Makuhari Messe, Japan, May 2019.

  81. Icy Giants: The Missing Pieces of the Outer Solar System Puzzle, S. K. Atreya and O. Mousis, European Geosciences Union Meeting (EGU), Vienna, Austria, April 2019.

  82. Distribution of Lightning and Moist Convection on Jupiter, with S. Brown, M. Janssen, S. Bolton, A. Ingersoll, S. Levin, C. Li, J. Lunine, G. Orton, and P. Steffes, European Geosciences Union Meeting (EGU), Vienna, Austria, April 2019.

  83. Vertical distribution of H3+ at mid-to-low latitudes in the Jupiter atmosphere with Juno/JIRAM, with A. Migliorini, B. M. Dinelli, M. Moriconi, et al., European Geosciences Union Meeting (EGU), Vienna, Austria, April 2019.

  84. HDO and SO2 Thermal Mapping on Venus: Statistical Analysis of the SO2 Plumes, with T. Widemann, T. Encrenaz, T. Greathouse, E. Marcq, et al., European Geosciences Union Meeting (EGU), Vienna, Austria, April 2019.

  85. Ground-based Infrared Mapping of H2O2 on Mars Near Opposition, with T. Encrenaz, T. Greathouse, S. Aoki, F. Daerden, et al., European Geosciences Union Meeting (EGU), Vienna, Austria, April 2019.

  86. Photochemistry in Saturn's Atmosphere: Ring Shadow and Ring Reflection, with S. G. Edgington (1), E. H. Wilson, K. H. Baines, R. A. West, G. L. Bjoraker, L.N. Fletcher, T. W. Momary, 50th Lunar and Planetary Science Conference, Abstract 3053.pdf, Woodland TX, March 2019.

  87. The Seasonal Cycle of Methane at Gale Crater, Mars, Replicated with Methane Adsorption and Diffusion Through the Regolith, with C. L. Smith, J. E. Moores, R. Gough, G. Martinez, P.-Y. Meslin, P. R. Mahaffy, C. Newman, and C. R. Webster, 50th Lunar and Planetary Science Conference, Abstract 1289.pdf, Woodland TX, March 2019.


    88. 2018

  88. Microwave Observations of Jupiter's Atmosphere from 1 bar to 200 bars, with C. Li, F. Oyafuso, S. Brown, V. Adumitroaie, J. Arballo et al., American Geophysical Union Meeting (AGU), Washington, DC, December 2018.

  89. Spatial and Temporal Variability of Southern Auroral Emissions in the IR from JIRAM/Juno Data, with F. Altieri et al., American Geophysical Union Meeting (AGU), Washington, DC, December 2018.

  90. Icy Giant Planet Exploration: Are Entry Probes Essential? S. K. Atreya, M. Hofstadter, K. R. Reh, J. In, 69th International Astronautical Congress (IAC), Bremen, Germany, October 2018.

  91. Regolith Adsorptive-Diffusive Control of the Methane Seasonal Cycle at Gale Crater, Mars with J. E. Moores, R. Gough, G. Martinez, P.-Y. Meslin, C. L. Smith et al., American Astronomical Society, Division of Planetary Sciences Meeting (AAS-DPS), Knoxville, TN, October 2018.

  92. Microwave Sounding of Saturn and Uranus: Comparing Gas and Ice Giant Planets, with M. Hofstadter, V. Adumitroaie, B. Butler, American Astronomical Society, Division of Planetary Sciences Meeting (AAS-DPS), Knoxville, TN, October 2018.

  93. The Expected and the Unexpected: Seasonal Variation of Major and Minor Species in the Mars Atmosphere as Measured In Situ by Curiosity, with M. G. Trainer, H. B. Franz, P. R. Mahaffy, M. H. Wong, et al., American Astronomical Society, Division of Planetary Sciences Meeting (AAS-DPS), Knoxville, TN, October 2018.

  94. The Juno Microwave Radiometer for the Investigation of Jupiter, with P. Steffes, M. Janssen, S. Bolton, S. Levin, et al., American Astronomical Society, Division of Planetary Sciences Meeting (AAS-DPS), Knoxville, TN, October 2018.

  95. JunoCam Imaging of Jupiter: Results from PJ1 through PJ8 with M. A. Ravine, C. Hansen, G. S. Orton, et al., Europlanet Conference (EPSC), Berlin, Germany, September 2018.

  96. Ground-based Thermal Mapping on Venus: Temperature Fields and Variations of SO2 and HDO, with T. Encrenaz, T. K. Greathouse, T. Widemann, et al., Europlanet Conference (EPSC), Berlin, Germany, September 2018.

  97. Saturn Photochemistry And Ring Shadow, with S. G. Edgington, E. H. Wilson, K. H. Baines, R. A. West, G. J. Bjoraker, L. N. Fletcher, T. Momary, Cassini Science Symposium, Boulder, CO, August 2018.

  98. Photochemistry in Saturn's Ring-Shadowed Atmosphere: Photochemical and Haze Production, with S. Edgington, E. Wilson, K. Baines, R. West et al., 42nd COSPAR Scientific Assembly, Pasadena, CA, July 2018.

  99. Limb Observations of H3+ in the Mid- and Low Latitude Jovian Atmosphere with the JIRAM Spectrometer with A. Migliorini, B.M. Dinelli, M.L. Moriconi, et al., 42nd COSPAR General Assembly, Pasadena, CA, July 2018.

  100. Radio Observations of the Deep Troposphere of Uranus: Comparing Gas- and Ice-Giant Planets, with M. Hofstadter, V. Adumitroaie, B. Butler, 42nd COSPAR Scientific Assembly, Pasadena, CA, July 2018.

  101. A Study on Exploring Uranus and Neptune: Science Objectives and Mission Requirements with Ice Giant Science Definition Team (M. Hofstadter, A. Simon, S. Atreya, D. Banfield, J. Fortney, A. Hayes, M. Hedman, G. Hospodarsky, A. Masters, K. Mandt, M. Showalter, K. Soderlund, D. Turrini, E. Turtle), 42nd COSPAR General Assembly, Pasadena, CA, July 2018.

  102. Saturn PRobe Interior and aTmosphere Explorer (SPRITE) Entry Probe Mission Concept with D. Atkinson, A. Coustenis, T. Spilker, L. Fletcher, et al., 42nd COSPAR General Assembly, Pasadena, CA, July 2018.

  103. Heavy Elements, Cloud Structure, and the Formation of Uranus and Neptune, S. K. Atreya, M. Hofstadter, J. In, Asia Oceana Geosciences Society Meeting (AOGS), Honolulu, HI, June 2018.

  104. A Measurement of D/H on Mars Using EXES Aboard SOFIA, with T. Encrenaz, S. Aoki, C. DeWitt, M. Richter, T. Greathouse et al., Asia Oceana Geosciences Society Meeting (AOGS), Honolulu, HI, June 2018.

  105. Probing the Atmospheres of Saturn and Uranus with Ground-Based Radio Observations, with M. Hofstadter, V. Adumitroaie, B. Butler, Asia Oceana Geosciences Society Meeting (AOGS), Honolulu, HI, June 2018.

  106. The Juno Microwave Radiometer for the Investigation of Jupiter, with M. Janssen, S. Bolton, S. Levin, S. Brown, V. Adumitroaie et al., Asia Oceana Geosciences Society Meeting (AOGS), Honolulu, HI, June 2018.

  107. The Saturn Probe Interior and Atmosphere Explorer (SPRITE) Entry Probe Mission Concept, with D. Atkinson, A. Simon-Miller, D. Banfield, J. Blacksberg et al., Asia Oceana Geosciences Society Meeting (AOGS), Honolulu, HI, June 2018.

  108. Photochemistry in Saturn's Ring-Shadowed Atmosphere: Photochemical and Haze Production, with S. Edgington, E. Wilson, R. West, K. Baines et al., Asia Oceana Geosciences Society Meeting (AOGS), Honolulu, HI, June 2018.

  109. Results from the Juno MWR Instrument, with S. Levin , M. Janssen, S. Bolton, J. E. P. Connerney, V. Adumitroaie et al., Asia Oceana Geosciences Society Meeting (AOGS), Honolulu, HI, June 2018.

  110. Results from the Juno's Investigation of Jupiter's Atmosphere with JIRAM, with A. Adriani, A. Mura, D. Grassi, M. L. Moriconi, G. Sindoni et al., Asia Oceana Geosciences Society Meeting (AOGS), Honolulu, HI, June 2018.

  111. A Study on Exploring Uranus and Neptune: Science Objectives and Mission Requirements, M. Hofstadter, with A. Simon, D. Banfield, J. Fortney et al., Asia Oceana Geosciences Society Meeting (AOGS), Honolulu, HI, June 2018.

  112. First Detection of Lightning Sferics on Jupiter and the Distribution of Moist Convection, with S. T. Brown, M. A. Janssen, V. Adumitroaie, S. Bolton, et al., Asia Oceana Geosciences Society Meeting (AOGS), Honolulu, HI, June 2018.

  113. HDO and SO2 Thermal Mapping on Venus: Short-term Variations, Statistical Analysis of the SO2 Plumes and Comparison with Spacecraft Data, with T. Encrenaz, T. Greathouse, E. Marcq, H. Sagawa, et al., Asia Oceana Geosciences Society Meeting (AOGS), Honolulu, HI, June 2018.

  114. How Deep is Jupiter's Great Red Spot?, with C. Li, F. Oyafuso, S. Brown, et al., Asia Oceana Geosciences Society Meeting (AOGS), Honolulu, HI, June 2018.

  115. The Methane Seasonal Cycle at Gale Crater, Mars Suggests Adsorption-Mediated Microseepage, with J. E. Moores, R. Gough, G. Martinez, P.-Y. Meslin, C. L. Smith et al., Mars Workshop on Amazonian and Present-Day Climate, Lakewood, Colorado, June 2018.

  116. The Origin and Evolution of an Atmosphere on Titan: What are the Isotopes and Other Observational Constraints Telling us S. K. Atreya, Japan Geoscience Union (JpGU) Meeting, Tokyo-Makuhari Messe, Japan, May 2018.

  117. Why are Entry Probes Essential to Ice Giant Planet Exploration?, S. K. Atreya, J. In, M. Hofstadter, European Geosciences Union Meeting (EGU), Vienna, Austria, April 2018.

  118. Polygonal Cyclonic Structures over the Jupiter's Poles, with A. Adriani, A. Mura, M. L. Moriconi, D. Grassi, G. Sindoni et al., European Geosciences Union Meeting (EGU), Vienna, Austria, April 2018.

  119. Atmospheric Structure of Jupiter's Vortices as Retrieved by Juno/JIRAM Data, with G. Sindoni, G. Filacchione, D. Grassi, A. Adriani, A. Mura et al., European Geosciences Union Meeting (EGU), Vienna, Austria, April 2018.

  120. JIRAM/Juno Limb Observations of H3+ in the Mid- and Low- latitude Jovian Atmosphere, with A. Migliorini, B. M. Dinelli, M. Moriconi, F. Altieri, A. Adrian et al., European Geosciences Union Meeting (EGU), Vienna, Austria, April 2018.

  121. Exploring the Ice Giant Systems: Science Objectives and Mission Requirements, with M. Hofstadter, A. Simon, D. Banfield, Jonathan Fortney et al., European Geosciences Union Meeting (EGU), Vienna, Austria, April 2018.

  122. HDO and SO2 Thermal Mapping on Venus: Statistical Analysis of the SO2 Plumes and Comparison with Space Data, with T. Encrenaz, T. Greathouse, E. Marcq, H. Sagawa, T. Widemann et al., European Geosciences Union Meeting (EGU), Vienna, Austria, April 2018.

  123. Scientific Value of a Returned Sample of Martian Atmosphere, with B. M. Jakosky, R. W. Zurek, R. Mahaffy, K. Zahnle, O. B. Toon, M. Tolbert, and M. J. Mumma, Mars Sample Return Conference, Berlin, Germany, April 2018.

  124. Science at Saturn with an Atmospheric Entry Probe, with D. H. Atkinson, A. Simon, D. Banfield, J. Blacksberg et al., European Geosciences Union Meeting (EGU), Vienna, Austria, April 2018.

  125. The Saturn PRobe Interior and aTmosphere Explorer (SPRITE) Entry Probe Mission Concept, with D. H. Atkinson, A. Simon, D. Banfield, J. Blacksberg et al., European Geosciences Union Meeting (EGU), Vienna, Austria, April 2018.

  126. Mapping D/H on Mars using EXES Aboard SOFIA with with T. Encrenaz et al., "From Mars Express to ExoMars", ESLAB Scientific Workshop, Madrid, Spain, February 2018.


    127. 2017

  127. Mars Methane at Gale Crater Shows Strong Seasonal Cycle: Updated Results from TLS-SAM on Curiosity, with C. R. Webster, P. M. Mahaffy, G. J. Flesch, C. Malespin, et al., American Geophysical Union Meeting, New Orleans, December 2017.

  128. D/H in Water Evolved from Martian Rocks in Gale Crater, with H. B. Franz, Paul R. Mahaffy, C. R. Webster, et al., American Geophysical Union Meeting, New Orleans, December 2017.

  129. Curiosity and the Four Seasons: In Situ Measurements of the Atmospheric Composition Over Two Mars Years, with M. G. Trainer, H. B. Franz, P. R. Mahaffy, C. A. Malespin, et al., American Geophysical Union Meeting, New Orleans, December 2017.

  130. ChemCam Passive Sky Spectroscopy at Gale Crater, Mars: Interannual Variability in Dust Aerosol Particle Size, Missing Water Vapor, and the Molecular Oxygen Problem, with T. H. McConnochie et al., American Geophysical Union Meeting, New Orleans, December 2017.

  131. How Deep is Jupiter's Great Red Spot, with C. Li et al., American Geophysical Union Meeting, New Orleans, December 2017.

  132. The Composition and Chemistry of the Deep Tropospheres of Saturn and Uranus from Ground-Based Radio Observations, with M. Hofstadter et al., American Geophysical Union Meeting, New Orleans, December 2017.

  133. Observations of Galilean Moons by JIRAM on board Juno, with A. Mura et al., American Geophysical Union Meeting, New Orleans, December 2017.

  134. H3+ Measurements in the Jovian Atmosphere with JIRAM/Juno, with A. Migliorini et al., American Geophysical Union Meeting, New Orleans, December 2017.

  135. Spatial and Temporal Variability of Southern Auroral Emissions in the IR from JIRAM/Juno Data, with F. Altieri et al., American Geophysical Union Meeting, New Orleans, December 2017.

  136. Tracing 3D flows in Jupiter's Atmosphere: Multispectral Observations in February 2017, with M.H. Wong M. Adamkovics, A. Adriani, et al., American Astronomical Society, Division of Planetary Science Annual Meeting, Provo, Utah, October 2017.

  137. Photochemistry in Saturn’s Ring-Shadowed Atmosphere: Photochemistry and Haze Observations, with S.G. Edgington, K.H. Baines, R.A. West, et al., American Astronomical Society, Division of Planetary Science Annual Meeting, Provo, Utah, October 2017.

  138. Seasonal and Interannual Variations of H2O2 on Mars, with T. Encrenaz, T. K. Greathouse, F. Lefèvre, et al., Europlanet Conference, Riga, Latvia, September 2017.

  139. A New Measurement of D/H on Mars using EXES aboard SOFIA, with T. Encrenaz, C. DeWitt, M. Richter, et al., Europlanet Conference, Riga, Latvia, September 2017.

  140. Ground-based Thermal Mapping on Venus: Temperature Fields and Variations of SO2 and HDO, with T. Encrenaz, T. K. Greathouse, T. Widemann, et al., Europlanet Conference, Riga, Latvia, September 2017.

  141. Scientific Rationale and Concepts for Uranus and Neptune's in situ Exploration, with O. Mousis, D. Atkinson, M. Amato, et al., Europlanet Conference, Riga, Latvia, September 2017.

  142. Characterization of the Ovals In Jupiter's Atmosphere Using the First Data by Juno/JIRAM Instrument, with G. Sindoni, D. Grassi, A. Adriani, et al., Europlanet Conference, Riga, Latvia, September 2017.

  143. Observations of the Jupiter Poles by the Infrared Spectral-Imager JIRAM on board Juno, with A. Adriani, A. Mura, M.L. Marconi, et al., Europlanet Conference, Riga, Latvia, September 2017.

  144. Preliminary Results from the JIRAM Observations of Jupiter Poles Acquired During the First Orbit of Juno, with B. M. Dinelli, F. Fabiano, A. Adriani, et al., Europlanet Conference, Riga, Latvia, September 2017.

  145. Jupiter's Brightness Temperature Maps as Derived from Juno/JIRAM data, with F. Altieri, M. L. Moriconi, A. Mura, et al., Europlanet Conference, Riga, Latvia, September 2017.

  146. High Altitude Ammonia Clouds Observed by Juno/JIRAM at Stationary Positions, with G. Filacchione, G. Sindoni, A. Adriani, et al., Europlanet Conference, Riga, Latvia, September 2017.

  147. Wind field Estimation at 5-micron by Juno/JIRAM Imaging of Jupiter's Poles, with M. L. Moriconi, A. Adriani, A. Mura, et al., Europlanet Conference, Riga, Latvia, September 2017.

  148. JunoCam Imaging of Jupiter: Results from PJ1 through PJ8, with M. A. Ravine, C. Hansen, G. S. Orton, et al., Europlanet Conference, Riga, Latvia, September 2017.

  149. Latest Results on Jupiter's Atmosphere and Radiation Belts from the Juno Microwave Radiometer, with M. A. Janssen, S. Bolton, S. Levin, et al., Europlanet Conference, Riga, Latvia, September 2017.

  150. JunoCam's Imaging of Jupiter, with G. Orton, C. Hansen, T. Momary, Asia Oceana Geosciences Society Meeting, Singapore, August 2017.

  151. Formation of the Ice Giant Planets: Compositional Constraints and Challenges, S. K. Atreya, Joong Hyun In, M. H. Hofstadter, Asia Oceana Geosciences Society Meeting, Singapore, August 2017.

  152. Juno's Determination of Jovian Water is Crucial to Understanding Jupiter's Formation Environment, with J. I. Lunine, S. Bolton, R. Helled, A. Ingersoll, M. Janssen, S. Levin, Asia Oceana Geosciences Society Meeting, Singapore, August 2017.

  153. Preliminary Results on Jupiter's Atmosphere using the Juno Microwave Radiometer, with M. A. Janssen, et al., Asia Oceana Geosciences Society Meeting, Singapore, August 2017.

  154. The Significance and Chemistry of the Martian Peroxide and Perchlorate Oxidants, S. K. Atreya, E. H. Wilson, T. Encrenaz, R. I. Kaiser, First Joint Meeting of the Japan Geoscience Union and the American Geophysical Union, Tokyo-Makuhari Messe, Japan, May 2017.

  155. Cloud Structure, Elemental Abundances, and the Formation of Uranus and Neptune, S. K. Atreya, Joong Hyun In, First Joint Meeting of the Japan Geoscience Union and the American Geophysical Union, Tokyo-Makuhari Messe, Japan, May 2017.

  156. Coupled Surface-Atmosphere Chemistry of the Martian Peroxide and Perchlorate Oxidants, S. K. Atreya, E. H. Wilson, T. Encrenaz, R. I. Kaiser, European Geosciences Union Meeting, Vienna, Austria, April 2017.

  157. Imaging Spectroscopy of Mars in the Thermal Infrared: Seasonal Variations of H2O2 and Mapping of the D/H Ratio, with T. Encrenaz, c. DeWitt, M. Richter, et al., European Geosciences Union Meeting, Vienna, Austria, April 2017.

  158. JunoCam's Imaging of Jupiter, with G. Orton, C. Hansen, T. Momary, European Geosciences Union Meeting, Vienna, Austria, April 2017.

  159. First Results from the Infrared Juno Spectral/Imager JIRAM at Jupiter, with A. Adriani, A. Mura, D. Grassi, European Geosciences Union Meeting, Vienna, Austria, April 2017.

  160. Characterization of the White Ovals on Jupiter's Southern Hemisphere Using the First Data by Juno/JIRAM Instrument, with G. Sindoni, D. Grassi, A. Adriani, et al., European Geosciences Union Meeting, Vienna, Austria, April 2017.

  161. Juno/JIRAM Infrared Observations of Jupiter Aurorae, with A. Mura, A. Adriani, F. Altieri, European Geosciences Union Meeting, Vienna, Austria, April 2017.

  162. Ground-based Imaging Spectroscopy of Venus: Variability of HDO and SO2 between 2012 and 2017, and Analysis of the Thermal Structure, with T. Encrenaz, T. Greathouse, M. Richter, et al., European Geosciences Union Meeting, Vienna, Austria, April 2017.

  163. The Hera Saturn Entry Probe Mission: a Proposal in Response to the ESA M5 Call, with O. Mousis, D. Atkinson, M. Amato, et al., European Geosciences Union Meeting, Vienna, Austria, April 2017.

  164. Revised 40Ar/14N or The Martian Atmosphere Based on SAM Calibration Gas Cell Results, with H. B. Franz, et al., 47th Lunar and Planetary Science Conference, The Woodlands, TX, March 2017.

  165. A Vision for Ice Giant Exploration, with M. Hofstadter, A. Simon, D. Banfield, J. Fortney, A. Hayes, M. Hedman, G. Hospodarsky, K. Mandt, A. Masters, M. Showalter, K. Soderlund, D. Turrini, E. P. Turtle, J. Elliott, K. Reh, NASA Planetary Science Vision 2050 Workshop, NASA, Washington, DC 27 Feb-March 2017.

  166. Isotope Geochemistry for Comparative Planetology of Exoplanets, with K. E. Mandt, A. Luspay-Kuti, O. Mousis, A. Simon, M. Hofstadter, Planetary Science Vision 2050 Workshop, NASA, Washington, DC 27 Feb-March 2017.

  167. Hydrogen Peroxide on Mars During Northern Summer: Observations and Models, with T. Encrenaz, et al., Sixth International Workshop on the Mars Atmosphere: Modeling and Observations, Granada, Spain, January 2017.


    168. 2016

  168. First Results at Jupiter by the Juno Microwave Radiometer Investigation, with M. A. Janssen et al., American Geophysical Union Meeting, San Francisco, December 2016.

  169. Simulation of antenna brightness temperatures for the Juno microwave radiometer, with F. Oyafuso et al., American Geophysical Union Meeting, San Francisco, December 2016.

  170. Low Background Levels of Mars Methane at Gale Crater Indicate Seasonal Cycle: Updated Results from TLS-SAM on Curiosity, C. R. Webster, P. R. Mahaffy, S. K. Atreya, G. Martinez, A. Vicente-Retortillo, American Geophysical Union Meeting, San Francisco, December 2016.

  171. SPRITE - The Saturn PRobe Interior and aTmosphere Explorer Mission Concept, with D. Atkinson, et al., American Geophysical Union Meeting, San Francisco, December2016.

  172. Mars Methane Highs Unrelated to Comets, with M. Roos-Serote, C. R. Webster, P. R. Mahaffy, Division of Planetary Sciences-Europlanet Science Congress (DPS-EPSC) Meeting, Pasadena, CA, October 2016.

  173. A Potential Mechanism for Perchlorate Formation on Mars: Surface-Radiolysis-Initiated Atmospheric Chemistry, with E. H. Wilson, R. Kaiser, P. R. Mahaffy, Division of Planetary Sciences-Europlanet Science Congress (DPS-EPSC) Meeting, Pasadena, CA, October 2016.

  174. Variability of H2O and SO2 on Venus between 2012 and 2016, with T. Encrenaz et al., Division of Planetary Sciences-Europlanet Science Congress (DPS-EPSC) Meeting, Pasadena, CA, October 2016.

  175. Stratigraphic Dependence of Chlorine Isotope values in Gale Crater, with P. Martin et al., Geological Society of America Meeting, New Orleans, LA,November 2016.

  176. Role of Entry Probes in the Exploration of the Solar System Giants, S. K. Atreya, 67th International Astronautical Congress, Guadalajara, Mexico, September 2016.

  177. Stratigraphic Dependence of Chlorine Isotope Values in Gale Crater, with P. Martin, K. Farley, P. Conrad, H. Franz, P. Mahaffy, R. Navarro-Gonzalez, B. Sutter, Geological Society of America Annual Meeting, Denver, CO, September 2016.

  178. Evolution of the Giant Planet Atmospheres, with Insights Into and From Hot Jupiters, S. K. Atreya and W. H. Ip, Asia Oceana Geosciences Society Meeting, Beijing, August 2016.

  179. The BEE: A Biosignature Explorer To Sample Plumes of Ocean Worlds, with P. R. Mahaffy, R. Arevalo, M. Benna, W. B. Brinckerhoff, et al., International Planetary Probe Workshop, APL, MD, June 2016.

  180. Warmer Wetter Mars in the Past? S. K. Atreya, P.R. Mahaffy, C. R. Webster, P. G. Conrad, M. H. Wong, Japan Geoscience Union – American Geophysical Union Joint Sessions, JpGU, Tokyo-Makuhari, Japan, May 2016.

  181. Imaging Spectroscopy of Venus in the Thermal Infrared: Variability of HDO and SO2, and Daily Variations of the Thermal Structure, with T. Encrenaz, T. Greathouse, M. Richter, et al., European Geosciences Union Meeting, Vienna, Austria, April 2016.

  182. Constraints on the Bulk Composition of Uranus from Herschel PACS and ISO LWS Photometry, SOFIA FORCAST Photometry and Spectroscopy, and Ground-Based Photometry of its Thermal Emission, with G. Orton, T. Mueller, M. Burgdorf, L. Fletcher, I. de Pater, et al., European Geosciences Union Meeting, Vienna, Austria, April 2016.

  183. Jupiter's Deepest and Freshest Clouds, with M. H. Wong, G. L. Bjoraker, I. de Pater, M. Ádámkovics and P. N. Romani, Water in the Universe: From Clouds to Oceans Symposium, ESA, Netherlands, April 2016.

  184. High Precision Gas Isotope Ratios: Leveraging Curiosity’s Success on Mars to Venus Exploration, with C. R. Webster, L. E. Christensen, G. J. Flesch, et al., International Venus Conference, Oxford, UK, April 2016.

  185. DAVINCI: Deep Atmosphere Venus Investigation of Noble Gases, Chemistry, and Imaging, with L. S. Glaze, J. B. Garvin, N. Johnson, et al., International Venus Conference, Oxford, UK, April 2016.

  186. Variability of SO2 And HDO and Thermal Structure In the Lower Mesosphere of Venus from Infrared Spectroscopy, with T. Encrenaz, T. Greathouse, M. Richter, et al., International Venus Conference, Oxford, UK, April 2016.

  187. Cometary Origin of Methane on Mars Highly Unlikely, with M. Roos-Serote, S.K. Atreya, G. Kim, C. R. Webster, P. R. Mahaffy, 47th Lunar and Planetary Science Conference, The Woodlands, TX, March 2016.

  188. DAVINCI: Deep Atmosphere Venus Investigation of Noble Gases, Chemistry, and Imaging, with L. S. Glaze, J. B. Garvin, N. Johnson, et al., 47th Lunar and Planetary Science Conference, The Woodlands, TX, March 2016.

  189. Update on The Seasonal Atmospheric Composition Measurements by the Sample Analysis at Mars instrument, with M. G. Trainer, H. B. Franz, P. R. Mahaffy, M. H. Wong, et al., 47th Lunar and Planetary Science Conference, The Woodlands, TX, March 2016.


    190. 2015

  190. Perchlorate Formation on Mars by Radiolysis, E. H. Wilson, S. K. Atreya, R. I. Kaiser, P. R. Mahaffy, American Geophysical Union Meeting, San Francisco, December 2015.

  191. Stable Isotope Systematics of Martian Perchlorate, with P. Martin, K. A. Farley, D. Archer, et al., American Geophysical Union Meeting, San Francisco, December 2015.

  192. Mars Methane Detection and Variability at Gale Crater Measured by the TLS instrument in SAM on the Curiosity Rover, C. R. Webster, P. R. Mahaffy, S. K. Atreya, G. Flesch, American Geophysical Union Meeting, San Francisco, December 2015.

  193. In Situ measurement of Kr and Xe in the atmosphere of Mars, with P. G. Conrad, et al., American Geophysical Union Meeting, San Francisco, December 2015.

  194. Update on the Atmospheric Composition Measurements by Curiosity: Three (Earth) Years on Mars, with M. G. Trainer, et al., American Geophysical Union Meeting, San Francisco, December 2015.

  195. Photochemistry in Saturn's Ring-Shadowed Atmosphere: Modulation of Hydrocarbons and Observations of Dust Content, with S. G. Edgington, et al., American Geophysical Union Meeting, San Francisco, December 2015.

  196. Observations of Jupiter at 5 micron from IRTF/TEXES: latitudinal variability of disequilibrium species, with P. Drossart, T. Encrenaz, T. Greathouse, et al., Europlanet Science Congress, Nantes, France, September 2015.

  197. A map of D/H on Mars using high-resolution spectroscopy with EXES aboard SOFIA, with T. Encrenaz, R. Richter, C. DeWitt, et al., Europlanet Science Congress, Nantes, France, September 2015.

  198. Variability of SO2 and HDO at the cloudtop of Venus from high-resolution infrared spectroscopy, with T. Encrenaz, T. Greathouse, R. Richter, C. DeWitt, et al., Europlanet Science Congress, Nantes, France, September 2015.

  199. In Situ Measurement of Atmospheric Kr and Xe Isotopes on Mars, with P.G. Conrad, C. A. Malespin, H. B. Franz, M. G. Trainer, M. H. Wong, R. O. Pepin, S. P. Schwenzer, R. Becker, J. Jones, T. Owen, and P. R. Mahaffy, Goldschmidt Conference, Prague, Czech Republic, August 2015.

  200. Imaging Spectroscopy of Venus in the Thermal Infrared: Daily Variations of the Thermal Structure, with Th. Encrenaz, T. Greathouse, M. Richter, et al., European Geosciences Union Meeting, Vienna, Austria, April 2015.

  201. Mapping of the Martian disk near opposition with EXES aboard SOFIA: Water distribution and measurement of the D/H ratio, Th. Encrenaz, M. Richter, C. DeWitt et al., European Geosciences Union Meeting, Vienna, Austria, April 2015.

  202. Photochemistry in Saturn's Ring-Shadowed Atmosphere: Modulation of Key Molecules and Observations of Dust Conetent, with S. G. Edgington et al., European Geosciences Union Meeting, Vienna, Austria, April 2015.

  203. Martian Chlorobenzene Identified by Curiosity in Yellowknife Bay: Evidence for the Preservation of Organics in a Mudstone on Mars, with D. Glavin et a., 46th Lunar and Planetary Science Conference, The Woodlands, TX, March 2015.

  204. The Isotopic Composition of Martian Atmospheric CO2: Measurements With The Sample Analysis at Mars (Sam) Quadrupole Mass Spectrometer, with H. B. Franz et al., 46th Lunar and Planetary Science Conference, The Woodlands, TX, March 2015.

  205. Major Volatiles from MSL SAM Evolved Gas Analyses: Yellowknife Bay Through Lower Mount Sharp, with A. C. MacAdam et al., 46th Lunar and Plantary Science Conference, The Woodlands, TX, March 2015.


    206. 2014

  206. Mars Atmospheric Composition, Isotope Ratios and Seasonal Variations: Overview and Updates of the SAM Measurements at Gale Crater, with C. R. Webster, P. R. Mahaffy, P. G. Conrad, et al., American Geophysical Union Meeting, San Francisco, CA, December 2014.

  207. Photochemistry in Saturn's Ring-Shadowed Atmosphere: Modeling of Key Molecules and Observations of Dust Content, with S. G. Edgington, E. H. Wilson, R. A. West, L. N. Fletcher, K. H. Baines, G. Bjoraker, T. Mommary, American Geophysical Union Meeting, San Francisco, CA, December 2014.

  208. SAM Chlorine Observations at Gale Crater, with P. G. Conrad, K. A. Farley, et al., American Geophysical Union Meeting, San Francisco, CA, December 2014.

  209. The D/H Ratio of the Martian Water That Formed the Yellowknife Bay Mudstone Rocks Measured By the MSL-SAM Instrument, with P. R. Mahaffy, C. R. Webster, et al., American Geophysical Union Meeting, San Francisco, CA, December 2014.

  210. The Expected and the Unexpected: Seasonal Variation of Major and Minor Species in the Mars Atmosphere as Measured In Situ by Curiosity, with M. G. Trainer, H. B. Franz, P. R. Mahaffy, M. H. Wong, et al., American Astronomical Society, Division of Planetary Sciences Meeting, Tucson, AZ, November 2014.

  211. New evidence for chemical depletion of ammonia in the 1 to 2 bar region of Jupiter's atmosphere, Invited Talk, with M. H. Wong, P. N. Romani, I. de Pater, W. R. Kuhn, K. S. Kalogerakis, American Astronomical Society, Division of Planetary Sciences Meeting, Tucson, AZ, November 2014.

  212. HDO and SO2 thermal mapping on Venus above and within the clouds, with Th. Encrenaz et al., Europlanet Science Congress, Cascais, Portugal, September 2014.

  213. H2O2, H2O And HDO Thermal Mapping On Mars Using TEXES/IRTF And EXES/SOFIA, with Th. Encrenaz et al., Europlanet Science Congress, Cascais, Portugal, September 2014.

  214. Interpretation of the 14N/15N ratio measured in Saturn’s ammonia with O. Mousis et al., Europlanet Science Congress, Cascais, Portugal, September 2014.

  215. Imprint of Hesperian Age Water in the Deuterium to Hydrogen Ratio of a Yellowknife Bay Rock as Measured by the MSL SAM Instrument, with P.R. Mahaffy, C.R. Webster, A. Brunner, S.K. Atreya, A. McAdam, J. Stern, S. Kashyap and the MSL Science Team, 8th International Conference on Mars, Pasadena, CA, July 2014.

  216. Seasonal Variation Of Condensable And Non-Condensable Species In The Gale Crater Atmosphere As Measured By The MSL SAM Instrument, with M. G. Trainer, H. B. Franz, P. R. Mahaffy, M. H. Wong, and the SAM Team, 8th International Conference on Mars, Pasadena, CA, July 2014.

  217. In Situ Techniques For Measurements Of Noble Gases And Nitrogen Isotopes In Planetary Environments: Recent Advances, with P. R. Mahaffy, J.A. Cartwright, P.C. Conrad, K.A. Farley, H.B. Franz, C. Malespin, M.G. Trainer, M.H. Wong, International Planetary Probe Workshop, Pasadena, CA, June 2014.

  218. Venus Discovery-Class Balloon Missions: Science Objectives And Desired Latitudinal And Longitudinal Coverage, K. H. Baines, S. K. Atreya, M. Bullock, D. Crisp, L.W. Esposito, D. Grinspoon, J. L. Hall, S. S. Limaye, P. R. Mahaffy, C. T. Russell, C. R. Webster, and K. Zahnle, Venus Exploration Targets Workshop, Lunar and Planetary Institute, Houston, TX, May 2014.

  219. Analysis of H2O Evolved During Pyrolysis Of Clay-Mineral Bearing Rocks On Mars, with A. C. McAdam, P. R. Mahaffy, D. W. Ming, and others, Annual Clay Mineral Society Meeting, College Station, TX, May 2014.

  220. MSL/SAM Measurements of Volatile Isotopes, and their Implications for Atmospheric Loss, S. K. Atreya et al., European Geosciences Union Meeting, Vienna, Austria, April 2014.

  221. Mass Spectrometry in Jupiter's Atmosphere: Vertical Variation of Volatile, with M. H. Wong and P. R. Mahaffy, Hasso B. Niemann Memorial Session, European Geosciences Union Meeting, Vienna, Austria, April 2014.

  222. The Deuterium to Hydrogen Ratio in the Water that Formed the Yellowknife Bay Mudstones in Gale Crater, with P.R. Mahaffy, A. Brunner, C.R. Webster, A. McAdam, J. Stern, L.A. Leshin, R. Navarro-Gonzalez, J. Jones, S. Kashyap and the MSL Science Team, 45th Lunar and Planetary Science Conference, Woodland, TX, March 2014.

  223. In Situ Probe Science at Saturn, with D.H. Atkinson, J.I. Lunine, A.A. Simon-Miller, W. Brincker-hoff, A. Colaprete5, A. Coustenis, L.N. Fletcher, T. Guillot, J.-P. Lebreton, P. Mahaffy, O. Mousis, G.S. Or-ton, K. Reh, L. J. Spilker, T. R. Spilker and C. Webster, 45th Lunar and Planetary Science Conference, Woodland, TX, March 2014.

  224. The Isotopic Composition of Martian Atmospheric CO2: Measurements with the Sample Analysis at Mars (SAM) Quadrupole Mass Spectrometer, with H. B. Franz, P. R. Ma-haffy, M. H. Wong, J. C. Stern, P. G. Conrad, G. J. Flesch, L. A. Leshin, H. L. K. Manning, C. P. McKay, T. C. Owen, M. G. Trainer, C. R. Webster and the MSL Science Team, 45th Lunar and Planetary Science Conference, Woodland, TX, March 2014.

  225. Seasonal Variation of Atmospheric Mixing Ratios on Mars Measured by the MSL SAM Instrument, with M. G. Trainer, H. B. Franz, P. R. Mahaffy, M. H. Wong, C. P. McKay, P. G. Conrad, C. A. Malespin, A. E. Brunner, R. O. Pepin, R. H. Becker, T. C. Owen, H. L. K. Manning, R. Navarro-González, R. M. Haberle and the MSL Science Team, 45th Lunar and Planetary Science Conference, Woodland, TX, March 2014.

  226. Reconciling the Differences between the Measurements of CO2 Isotopes by the Phoenix and MSL Landers, with P. B. Niles, P. R. Mahaffy, A. A. Pavlov, M. Trainer, C. R. Webster, M. Wong, and the MSL Science Team, 45th Lunar and Planetary Science Conference, Woodland, TX, March 2014.

  227. SAM-like Evolved Gas Analyses of Phyllosilicate Minerals and Applications to SAM Analyses of the Sheepbed Mudstone, Gale Crater, Mars, with A. C. McAdam, H. B. Franz, P. R. Mahaffy, J. L. Eigenbrode, J. C. Stern, A. E. Brunner, B. Sutter, P. D. Archer, D. W. Ming, R. V. Morris, D. L. Bish and the MSL Science Team, 45th Lunar and Planetary Science Conference, Woodland, TX, March 2014.

  228. Sulfur-bearing Compounds Detected by MSL SAM Evolved Gas Analysis of Materials from Yellowknife Bay, Gale Crater, Mars, with A. C. McAdam, H. B. Franz, P. D. Archer, Jr., B. Sutte3, J. L. Eigenbrode, C. Freissinet, D. L. Bish, D. F. Blake, A. Brunner, P. R. Mahaffy, D. W. Ming, R. V. Morris, R. Navarro-Gonzalez, E. B. Rampe, A. Steele, J. J. Wray and the MSL Science Team, 45th Lunar and Planetary Science Conference, Woodland, TX, March 2014.

  229. Possible Concepts for an in Situ Saturn Probe Mission, with A. Coustenis, J.-P. Lebreton, O. Mousis, D. H. Atkinson, J. I. Lunine, K. Reh, L. Fletcher, A. Simon-Miller, W. Brinckerhoff, T. Cavalié, A. Colaprete, D. Gautier, T. Guillot, P. Mahaffy, B. Marty, A. D. Morse, J. Sims, T. Spilker, L. Spilker, C. Webster, J. H. Waite, P. Wurz, 45th Lunar and Planetary Science Conference, Woodland, TX, March 2014.

  230. Scientific Rationale of a Saturn Probe Mission, with O. Mousis, L. N. Fletcher, J.P. Lebreton, P. Wurz, T. Cavalié, A. Coustenis, D. H. Atkinson, D. Gautier, T. Guillot, J. I. Lunine, B. Marty, A. D. Morse, K. R. Reh, A. Simon-Miller, T. Spilker and J. H. Waite, 45th Lunar and Planetary Science Conference, Woodland, TX, March 2014.

  231. Detection of Nitric Oxide by the Sample Analysis at Mars (SAM) Instrument. Implications for the Presence of Nitrates, with R. Navarro-González, J. Stern, C. Freissinet, H. B. Franz, J. L. Eigenbrode, C. P. McKay, P. Coll, B. Sutter, D. Archer, A. McAdam, M. Cabane, D. W. Ming, D. Glavin, L. Leshin, M. Wong, J. J. Wray, A. Steele, A. Buch, B. D. Prats, C. Szopa, D. Coscia, S. Teinturier, P. Conrad, T. C. Owen, P. Mahaffy, J. P. Grotzinger and the MSL Science Team, 45th Lunar and Planetary Science Conference, Woodland, TX, March 2014.

  232. SAM Measurements of Krypton and Xenon on Mars, with P. G. Conrad, C. Malespin, H. Franz, M. G. Trainer, A. Brunner, H. Manning, S.P. Schwenzer, J. Jones, P. M. Mahaffy, T. Owen, R. O. Pepin, M. H. Wong and the MSL Science Team, 45th Lunar and Planetary Science Conference, Woodland, TX, March 2014.


    233. 2013

  233. Revised Method for Calculating Cloud Densities in Equilibrium Models, with M. H. Wong, W. R. Kuhn, American Geophysical Union Meeting, San Francisco, CA, December 2013.

  234. In-Situ Exploration of Venus: Major Science Objectives, Investigations, and Mission Platform Options, with K. H. Baines et al., American Geophysical Union Meeting, San Francisco, CA, December 2013.

  235. Change in the 40Ar/N of the Mars Atmosphere from Viking to MSL: A possible indication of climate change on Mars, with M. G. Trainer et al., American Geophysical Union Meeting, San Francisco, CA, December 2013.

  236. Environmental Dynamics and the Habitability Potential at Gale Crater, Mars, with P. G. Conrad et al., American Geophysical Union Meeting, San Francisco, CA, December 2013.

  237. Atmospheric Krypton and Xenon Measurements from Mars Science Laboratory, with P. G. Conrad et al., American Geophysical Union Meeting, San Francisco, CA, December 2013.

  238. The Search for Nitrates on Mars by the Sample Analysis at Mars (SAM) instrument, with R. Navarro-Gonzalez et al., American Geophysical Union Meeting, San Francisco, CA, December 2013.

  239. Evidence for Smectite Clays from MSL SAM Analyses of Mudstone at Yellowknife Bay, Gale Crater, Mars, with A. McAdam et al., American Geophysical Union Meeting, San Francisco, CA, December 2013.

  240. Photochemistry in Saturn's Ring-Shadowed Atmosphere: Of Venetian Blinds, Atmospheric Molecules and Observations, with S. G. Edgington et al., American Geophysical Union Meeting, San Francisco, CA, December 2013.

  241. The Search for Methane on Mars, with C. R. Webster, P. R. Mahaffy, G. Flesch, K. A. Farley, T. C. Owen, L. A. Leshin, J. C. Stern, H. Franz, J. L. Eigenbrode, American Geophysical Union Meeting, San Francisco, CA, December 2013.

  242. MSL/SAM Measurements of Nitrogen Isotopes in the Mars Atmosphere with M. H. Wong et al., American Astronomical Society, Division of Planetary Science Annual Meeting, Denver, CO, October 2013.

  243. Photochemistry in Saturn's Ring-Shadowed Atmosphere: Venetian Blinds, Atmospheric Molecules and Observations, with S. G. Edgington et al., American Astronomical Society, Division of Planetary Science Annual Meeting, Denver, CO, October 2013.

  244. Mars Atmospheric Argon Isotopes Measured by the SAM Instrument Suite on MSL, with H. L. Manning et al., American Astronomical Society, Division of Planetary Science Annual Meeting, Denver, CO, October 2013.

  245. The Origin and Early Evolution of Venus, Earth and Mars: Clues from Bulk Properties and Abundances and Isotopic Ratios of Noble and Light Gases, with K. H. Baines, M. A. Bullock, D. H. Grinspoon, P. R. Mahaffy, C. T. Russell, G. Schubert and K. J. Zahnle, International Venus Conference, Catania, Sicily, Italy, June 2013.

  246. Ground-based observations of minor species on Venus, with Th. Encrenaz, Invited paper, The Venus International Conference, Catania, Sicily, Italy, June 2013.

  247. MSL/SAM Measurements of Non Condensable Volatiles, Comparison with Viking Lander, and Implications for Seasonal Cycle, S. K. Atreya, S. W. Squyres, P. R. Mahaffy, L. A. Leshin, H. B. Franz, M. G. Trainer, M. H. Wong, C. P. McKay, R. Navarro-Gonzalez, and the MSL Science Team, European Geosciences Union Meeting, Vienna, Austria, April 2013.

  248. Saturn Science from Entry Probes, with D. H. Atkinson, A. Coustenis, J. Lunine, A. Simon-Miller, W. Brinckerhoff, A. Colaprete, T. Guillot, P. R. Mahaffy, K. Reh, L. Spilker, T. Spilker, and C. R. Webster, European Geosciences Union Meeting, Vienna, Austria, April 2013.

  249. MSL/SAM Measurements of Non-condensable Volatiles in the Atmosphere of Mars - Possibility of Seasonal Variations, S. K. Atreya, S. W. Squyres, P. R. Mahaffy, L. A. Leshin, H. B. Franz, M. G. Trainer, M. H. Wong, C. P. McKay, R. Navarro-Gonzalez, and the MSL Science Team, 44th Lunar and Planetary Science Conference, Woodland TX, March 2013.

  250. Nitrogen and Argon Isotopes in the Mars Atmosphere, with M. H. Wong, P. R. Mahaffy, M. G. Trainer, H. B. Franz, J. C. Stern, T. C. Owen, C. P. McKay, J. H. Jones, H. L. K. Manning, and R. Navarro-Gonzáles, 44th Lunar and Planetary Science Conference, Woodland TX, March 2013.

  251. Preliminary Interpretations of Atmospheric Stable Isotopes and Argon from Mars Science Laboratory (SAM), with J. H. Jones, P. B. Niles, C. R. Webster, P. R. Mahaffy, G. J. Flesch, L. R. Christensen, L. A. Leshin, H. B. Franz, M. H. Wong, M. G. Trainer, J. C. Stern, H. L. K. Manning, R. Navarro-Gonzalez, T. C. Owen, R. O. Pepin, and the MSL Science Team, 44th Lunar and Planetary Science Conference, Woodland TX, March 2013.

  252. Habitability Assessment at Gale Crater: Implications from Initial Results, with P. G. Conrad, P. D. Archer, D. F. Blake , P. Coll, M. de la Torre, K. Edgett, J. Eigenbrode, M. Fisk, C. Friessenet, H. Franz, D. P. Glavin, F. Gómez, R. Haberle, V. Hamilton, J. H. Jones, L. Kah, P. R. Mahaffy, A. McAdam, C. P. McKay, R. Navarro-Gonzales, A. Steele, J. C. Stern, D. Sumner, A. Treiman, M. H. Wong, J. Wray, R. A. Yingst, and the MSL Science Team, 44th Lunar and Planetary Science Conference, Woodland TX, March 2013.

  253. SAM and Heavy Noble Gas Measurements on Mars, with P. G. Conrad, C. Malespin, H. L. K. Manning, S. P. Schwenzer, W. B. Brinckerhoff, J. Eigenbrode, K. Farley, H. B. Franz, D. P. Glavin, J. H. Jones, P. R. Mahaffy, T. C. Owen, R. O. Pepin, A. Steele, A. Treiman, and M. H. Wong, 44th Lunar and Planetary Science Conference, Woodland TX, March 2013.

  254. Preliminary Results for the Isotopic Composition of Martian Atmospheric CO2 as Determined with the Sample Analysis at Mars (SAM) Quadrupole Mass Spectrometer, with H. B. Franz, J. C. Stern, E. Raaen, M. G. Trainer, M. H. Wong, H. L. K. Manning, G. J. Flesch, L. A. Leshin, P. R. Mahaffy, T. C. Owen, C. R. Webster, and the SAM Science Team, 44th Lunar and Planetary Science Conference, Woodland TX, March 2013.

  255. Hydrogen Isotopic Composition of Water in the Martian Atmosphere and Released from Rocknest Fines, with L. A. Leshin, C. R. Webster, P. R. Mahaffy, G. J. Flesh, L. R. Christensen, J. C. Stern, H. B. Franz, A. C. McAdam, P. B. Niles4, P. D. Archer Jr, B. Sutter, J. H. Jones, T.C. Owen, P. Conrad, and the MSL Science Team, 44th Lunar and Planetary Science Conference, Woodland TX, March 2013.

  256. Possible Detection of Nitrates on Mars by the Sample Analysis at MARS (SAM) Instrument, with R. Navarro-González, J. C. Stern, B. Sutter, P. D. Archer Jr, A. C. McAdam, H. B. Franz, C. P. McKay, P. Coll, M. Cabane, D. W. Ming, F. Raulin, A. E. Brunner, D. Glavin, J. L. Eigenbrode, J. H. Jones, C. Freissinet, L. Leshin, M. H. Wong, J. J. Wray, A. Steele, A. Buch, B. D. Prats, C. Szopa, D. Coscia, S. Teinturier, P. Conrad, P. Mahaffy, J. P. Grotzinger, and the SAM Team, 44th Lunar and Planetary Science Conference, Woodland TX, March 2013.

  257. Measuring the Martian Atmospheric Composition with the Sample Analysis at Mars (SAM) Quadrupole Mass Spectrometer, with M. G. Trainer, H. B. Franz, M. H. Wong, H. L. K. Manning, J. C. Stern, E. Raaen, L. A. Leshin, P. R. Mahaffy, T. C. Owen, and the SAM Science Team, 44th Lunar and Planetary Science Conference, Woodland TX, March 2013.

  258. MSL/SAM Measurements of Nitrogen and Argon Isotopes in the Mars Atmosphere, with M. H. Wong, P. R. Mahaffy, M. Trainer, H. B. Franz, J. C. Stern, T. C. Owen, C. P. McKay, J. H. Jones, H. L. K. Manning, and R. Navarro-González, 44th Lunar and Planetary Science Conference, Woodland TX, March 2013.

  259. Measurements of Mars Methane at Gale Crater by the SAM Tunable Laser Spectrometer on the Curiosity Rover, with C. R. Webster, P. R. Mahaffy, G. J. Flesch, and K. A. Farley, 44th Lunar and Planetary Science Conference, Woodland TX, March 2013.


    260. 2012

  260. Conditions for Haze Formation in Planetary Atmospheres - A Comparative Study Among the Atmospheres of Early Earth, Early Titan, and Present-Day Titan, E.H. Wilson and S. K. Atreya, Comparative Climatology Conference, Boulder, Colorado, June 2012.

  261. Formation of Saturn and Jupiter and their Atmospheres S.K. Atreya, J.I. Lunine, A.A. Simon-Miller, D.H. Atkinson, W.B. Brinckerhoff, A. Colaprete, A. Coustenis, P.R. Mahaffy, K. Reh, T.R. Spilker, European Geosciences Union, Vienna, Austria, April 2012.

  262. A Shallow Entry Probe Mission to Saturn, D.H. Atkinson, T.R. Spilker, J. Lunine, A. Simon-Miller, S.K. Atreya, W. Brinckerhoff, A. Colaprete, A. Coustenis, T. Guillot, P. Mahaffy, K. Reh, L. Spilker, European Geosciences Union, Vienna, Austria, April 2012.

  263. Scientific Value of a Saturn Atmospheric Probe Mission. A. A. Simon-Miller, J.I. Lunine, S. K. Atreya, T. R. Spilker, A. Coustenis, D. H. Atkinson, European Geosciences Union, Vienna, Austria, April 2012.


    2011

  264. Possible cloud structure of Uranus and Jupiter from thermochemical models and observations, K. M. Mihalka and S. K. Atreya, M. Hofstadter, K. H. Baines, American Geophysical Union Meeting, San Francisco, CA, December 2011.

  265. Investigation of the Photochemistry in Saturn's Ring-Shadowed Atmosphere: Production Rates of Key Atmospheric Molecules, with S. G. Edgington et al., Joint Europlanet - Division of Planetary Sciences (EPSC-DPS) Meeting, Nantes, France, October 2011.

  266. Structure and Variability of Uranus Troposphere, with M. Hofstadter, M. Gurwell, K. Mihalka et al., Joint Europlanet - Division of Planetary Sciences (EPSC-DPS) Meeting, Nantes, France, October 2011.

  267. Significant Science at Saturn from an Atmospheric Entry Probe Mission, T. R. Spilker, S. K. Atreya, D. H. Atkinson, A. Colaprete, R. Beebe, A. Coustenis, T. S. Balint, and L. Spilker, Joint Europlanet - Division of Planetary Sciences (EPSC-DPS) Meeting, Nantes, France, October 2011.

  268. Methane on Mars: Observations, Origin, Implications for Habitability, S. K. Atreya, P. R. Mahaffy, Invited Paper, IUGG Plenary Meeting, Melbourne, Australia, June 2011.

  269. The Synthetic Spectrum of Venus in the 7-micron Region, with Th. Encrenaz et al., European Geosciences Union, Vienna, Austria, April 2011.


    2010

  270. The Effect of Precipitation on the Cloud Concentration at Jupiter, K. M. Mihalka and S. K. Atreya, American Geophysical Union Meeting, San Francisco, CA, December 2010.

  271. Bringing a Chemical Laboratory Named SAM to Mars on the 2011 Curiosity Rover, P. R. Mahaffy, M. Cabane, P. G. Conrad, C. R. Webster, S. K. Atreya, H. Manning, A. Jones, L. Bleacher, and the SAM Team, American Geophysical Union Meeting, San Francisco, CA, December 2010.

  272. Exploring Saturn with Shallow Probes, with D. Atkinson, et al., American Geophysical Union Meeting, San Francisco, CA, December 2010.

  273. Entry Probe Exploration of Saturn, with D. Atkinson, et al., Division of Planetary Sciences/AAS Meeting, Pasadena, California, October 2010.

  274. Hydrogen Peroxide on Mars: Observations, Interpretation, and Future Plans, with Th. Encrenaz, T. Greathouse, F. Lefevre, Europlanet Conference, Rome, Italy, September 2010.

  275. Hydrocarbons and Organics on Venus: where are they now?, M. Baek and S. K. Atreya, Venus, Our Closest Earth-like Planet International Workshop, Madison, Wisconsin, August 2010.

  276. The Next Step: In Situ Exploration of Venus by Balloon - Science Objectives and Mission Architecture, with K. H. Baines, et al., Venus International Conference, Aussois, France, June 2010.

  277. Evidence for layered methane clouds in the troposphere of Titan, C. C. Wang, K. J. Knox, S. K. Atreya, R. Signorell, Faraday Discussion, Royal Society of Chemistry, Saint Jacut de la Mer, Brittany, France, June 2010.

  278. Intrinsic Nature of Methane, Ethane and their Mixed Aerosols in Titan's Troposphere, C. C. Wang, E. K. Lang, S. K. Atreya, R. Signorell, Eos Trans. AGU, 91(26), West. Pac. Geophys, Meet. Suppl., Abst. P34A-001, Western Pacific Geophysics Meeting, Taipei, Taiwan, June 2010.

  279. Efficiency of Haze Production in Titan's Primordial Atmosphere, E. H. Wilson, S. K. Atreya, Titan Through Time Workshop, Applied Physics Laboratory, Johns Hopkins University, Laurel, MD, April 2010.


    280. 2009

  280. Cloud Structure of Uranus and Neptune, K. M. Mihalka, S. K. Atreya, P. A. Egeler-Dowd, American Geophysical Union Meeting, San Francisco, CA, December 2009.

  281. The Carbon Budget of Titan and its Effect on the Organic Landscape of Titan's Surface, E. H. Wilson, S. K. Atreya, American Geophysical Union Meeting, San Francisco, CA, December 2009.

  282. Saturn's Bulk Atmosphere above the Homopause, and its Implications for Cassini's End of Mission, S. G. Edgington, S. K. Atreya, D. E. Shemansky, E. A. Manor-Chapman, D. A. Seal, and B. B. Buffington, Division of Planetary Sciences/AAS Meeting, Puerto Rico, October 2009.

  283. Long-Duration Exploration of Venus with High Altitude Balloons, with K. H. Baines, S. Limaye, et al., IAA International Conference on Low Cost Planetary Missions, Goa, India, September 2009.

  284. H2O and H2O2 Mapping on Mars Near Summer Solstice : Further Evidence for Heterogeneous Chemistry, with Th. Encrenaz, et al., International Conference on Comparative Planetology: Venus-Earth-Mars, ESTEC, Noordwijk, The Netherlands, May, 2009.

  285. Titan's Atmosphere: Deuterium and Noble Gases, with T. Owen, et al., European Geosciences Union, Vienna, Austria, April 2009.


    286. 2008

  286. The Martian H2O and H2O2 from IR Observations, with T. Encrenaz et al., Mars Atmosphere Workshop, Virginia, November 2008.

  287. Ground-based Infrared Observations of Water Vapor and Hydrogen Peroxide in the Atmosphere of Mars near Summer Solstice, with Th. Encrenaz et al., Division of Planetary Sciences/AAS Meeting, Ithaca, New York, October 2008.

  288. The Carbon Inventory of Titan's Atmosphere, E. H. Wilson, S. K. Atreya, Titan After Cassini-Huygens Symposium, Corpus Christi, Texas, July 2008.

  289. Water and Ammonia Abundances with the Juno Microwave Radiometer, with S. Gulkis, E. Adams, M. Allison, S. Bolton, A. Ingersoll, M. Janssen, L. Kamp, J. Lunine, F. Oyafuso, European Geosciences Union Meeting, Vienna, Austria, April 2008.

  290. Martian Methane: Faster Destruction, Bigger Source, S. K. Atreya, G. Delory, T. Encrenaz, V. Formisano, W. Farrell, P. Mahaffy, M. Mumma, N. Renno, European Geosciences Union Meeting, Vienna, Austria, April 2008.


    291. 2007

  291. Photochemical Origin of N2 on Titan, and Enceladus (?), S. K. Atreya, D. L. Matson, J. Castillo-Rogez, T. V. Johnson, E. Y. Adams, J. I. Lunine, American Geophysical Union Meeting, San Francisco, CA, December 2007.

  292. Endogenic Origin of Titan's N2, D. L. Matson, S. K. Atreya, J. Castillo-Rogez, T. V. Johnson, E. Y. Adams, J. I. Lunine, American Geophysical Union Meeting, San Francisco, CA, December 2007.

  293. The Influence of Atmospheric and Surficial Processes on Titan Organics, E. H. Wilson and S. K. Atreya, American Geophysical Union Meeting, San Francisco, CA, December 2007.

  294. Simultaneous Ground-based Imaging of H2O and H2O2 on Mars, with Th. Encrenaz et al., European Mars Science and Exploration Conference: Mars Express and ExoMars, ESTEC, Netherlands, November 2007.

  295. Jupiter and Earth: What We Learn from Earth Cloud Observations? With E. Y. Adams and W. R. Kuhn, Division of Planetary Sciences (AAS) Meeting, Orlando, Florida, October 2007.

  296. The Structure of Saturn's Poles Determined by Cassini VIMS: Constraints on Winds and Horizontal and Vertical Cloud Distributions, with K. H. Baines et al., Division of Planetary Sciences (AAS) Meeting, Orlando, Florida, October 2007.

  297. Saturn's Hemispherical Asymmetry: Quantitative Constraints on Differences in Mean Cloud Structures Between the Northern and Southern Hemispheres During Southern Summer, with T. W. Momary et al., Division of Planetary Sciences (AAS) Meeting, Orlando, Florida, October 2007.

  298. Venus Exploration Analysis Group (VEXAG) Overview, S. K. Atreya, J. G. Luhman, S. Mackwell, K. Baines, J. Cutts, A. Ocampo, S. Saunders, T. W. Thompson, T. Balint, Discovery at 15, Huntsville, Alabama, September 2007.

  299. The Harsh Electrochemical Environment in Martian Dust Storms, with W. Farrell, G. Delory, 7th International Conference on Mars, Pasadena, California, July 2007.

  300. Kronos - Saturn Exploration with Probes, with B. Marty, T, Guillot, A Coustenis, and the Kronos Team, International Planetary Probe Workshop IPPW5, Bordeaux, France, June, 2007.

  301. Analog Studies to Evaluate the Performance of the Sample Analysis Suite for the Mars Science Laboratory, P. R. Mahaffy, S. K. Atreya, M. Cabane, C. Webster, K. Firstad, H. Franz and O. Botta, International Workshop on Exploring Mars and its Earth Analogs, Trento, Italy, June, 2007.

  302. Early History of Titan, with J. Castillo, D. Matson, T. Johnson, J. Lunine, AGU Spring Meeting, Acapulco, May 2007.

  303. Saturn's Polar Hexagon at Depth: New Images of Stationary Planetary Waves in the Northern Polar Region by Cassini/VIMS, with K. H. Baines, T. Momary, M. Roos-Serote, R. Brown, B. Buratti, R. Clarke, P. Nicholson, European Geosciences Union Meeting, Vienna, Austria, April 2007.


    304. 2006

  304. An Ocean of Water-Ammonia on Neptune and Uranus: Clues from Tropospheric Cloud Structure, S. K. Atreya, K. H. Baines, P. A. Egeler, Division of Planetary Sciences/AAS Meeting, Pasadena, California, October 2006.

  305. Formation of a Nitrogen Atmosphere on Titan, E. Y. Adams, S. K. Atreya, E. H. Wilson, W. R. Kuhn, Division of Planetary Sciences/AAS Meeting, Pasadena, California, October 2006.

  306. Photochemical Distribution of the Venusian Sulfur and Halogen Species, with C. D. Parkinson, A. S. Wong, Division of Planetary Sciences/AAS Meeting, Pasadena, California, October 2006.

  307. Methane Drizzle on Titan, with T. Tokano, C. P. McKay, F. M. Neubauer, F. Ferri, M. Fulchignoni, H. B. Niemann, 1st. Europlanet Science Congress (EPSC), Berlin, Germany, September 2006.

  308. Exploring Venus: The Venus Exploration Analysis Group (VEXAG), S. K. Atreya, A. Ocampo, T. Thompson, J. Luhmann, S. Mackwell, K. Baines, J. Cutts, J. Robinson, S. Saunders, COSPAR Meeting, Beijing, China, July 2006.

  309. The New Juno (Jupiter Polar Orbiter) Mission, S. K. Atreya, presented on behalf of S. Bolton and the Juno Science Team, COSPAR Meeting, Beijing, China, July 2006.

  310. A Mapping of Water Vapor and a Study of CO in the Martian Atmosphere using OMEGA/Mars Express, with Th. Encrenaz, et al., COSPAR Meeting, Beijing, China, July 2006.

  311. Organics, Oxidants, and the Disequilibrium Chemistry of Mars, S. K. Atreya and P. R. Mahaffy, Asia Oceana Geosciences Society Meeting, Singapore, July 2006.

  312. Organic and Isotope Measurement Protocols under Development for the 2009 Mars Science Laboratory, P. R. Mahaffy and S. K. Atreya, Asia Oceana Geosciences Society Meeting, Singapore, July, 2006.

  313. A study of the Martian Atmosphere Using OMEGA/Mars Express and Ground-Based Measurements, with Th. Encrenaz, et al., Asia Oceana Geosciences Society Meeting, Singapore, July, 2006.

  314. Ground-based High Resolution IR Spectroscopy of Mars: H2O and H2O2 Mapping, and Search for CH4, with Th. Encrenaz, et al, European Geosciences Union Meeting, Vienna, Austria, April 2006.

  315. Shallow Probes to the Giant Planets, with S. Bolton, T. Owen, D. Gautier, T. Guillot, A. P. Ingersoll, European Geosciences Union Meeting, Vienna, Austria, April 2006.

  316. Ground-based IR Spectroscopy of Mars: Ground-based High Resolution IR Spectroscopy of Mars: H2O and H2O2 Mapping, and Search for CH4 and Determination of the CO2 Isotope Ratios, with Th. Encrenaz, et al, Workshop on Mars Atmosphere, Climate, and Dynamics, Granada, Spain, February, 2006.

  317. To the Depths of Venus with Venus Express, with K. H. Baines, et al., The AGU Chapman Conference on Exploring Venus as a Terrestrial Planet, Key Largo, Florida, February 2006.

  318. Venus Exploration Analysis Group Overview, with T. W. Thompson, J. G. Luhmann, S. Mackwell, K. Baines, J. Cutts, A. Ocampo, S. Saunders, ESA Venus Entry Probe Workshop, ESTEC, Noordwijk, January 2006.


    319. 2005

  319. Water-Ammonia Ionic Ocean on Uranus and Neptune - A Clue from Hydrogen Sulfide Clouds, S. K. Atreya, P. A. Egeler, A. S. Wong, American Geophysical Union Meeting, San Francisco, CA, 2005.

  320. Martian dust devil and storm electric fields: The formation of an O- plasma and new local chemistry, with W. Farrell, et al., American Geophysical Union Meeting, San Francisco, CA, 2005.

  321. Titan - A Fiercely Frozen Echo of the Early Earth, with. T. Owen, H. Niemann, M. Zolotov, American Geophysical Union Meeting, San Francisco, CA, 2005.

  322. An Endogenic Source of Titan's Methane, with M. Zolotov, T. Owen, H. Niemann, E. L. Shock, American Geophysical Union Meeting, San Francisco, CA, 2005.

  323. Mars Atmospheric Chemistry in Electrified Dust Devils and Storms, with W. M. Farrell, G. T. Delory, A. S. Wong, N. O. Renno, et al., The Martian Dust Devil Workshop, Flagstaff, Arizona, September 2005.

  324. Methane on Titan: Photochemical-Meteorological-Hydrogeochemical Cycle, S. K. Atreya, H. B. Niemann, T. C. Owen, E. Y. Adams, J. E. Demick, GCMS Team, Division of Planetary Sciences/AAS Meeting, Cambridge, England, September 2005.

  325. Titan Photochemistry Based on Early Cassini-Huygens Results, E. H. Wilson and S. K. Atreya, Division of PLanetary Sciences/AAS Meeting, Cambridge, England, September 2005.

  326. Early Titan: Origin of Nitrogen, and Haze Through Evolution of Atmospheric Temperature Structure, E. Y. Adams, S. K. Atreya, W. R. Kuhn, Division of Planetary Sciences/AAS Meeting, Cambridge, England, September 2005.

  327. Comparative Sulfur Chemistry of Venus and Mars, Wong, A. S., Atreya, S. K., Division of PLanetary Sciences/AAS Meeting, Cambridge, England, September 2005.

  328. Methane, Oxides of Hydrogen and Carbon, and their Isotope Ratios: Significance and Measurement on NASAs 2009 Mars Science Lab (MSL) Mission, Webster, C. R., Mahaffy, P. R., Atreya, S. K., Division of PLanetary Sciences/AAS Meeting, Cambridge, England, September 2005.

  329. Possible N2 Emissions Associated with Martian Dust Events, with J. J. Caldwell, et al., Division of Planetary Sciences/AAS Meeting, Cambridge, England, September 2005.

  330. Uranus with Spitzer, with G. Orton, et al., Division of Planetary Sciences/AAS Meeting, Cambridge, England, September 2005.

  331. A New View of Venus: Direct Measurements of Planetary Formation and Evolution, Meteorology, Dynamics, and Chemistry with a Long-Duration In-Situ Aerial Tour of our Sister World, K. H. Baines, S. K. Atreya, D. Crisp, et al., International Probes Workshop, Anavyssos, Attica, Greece, July, 2005.

  332. Radiative Transfer in Primordial Atmosphere of Titan, E. Y. Adams, S. K. Atreya, W. R. Kuhn, American Geophysical Union Spring Meeting, New Orleans, Louisiana, May 2005.

  333. Organics, Methane, Oxidants, and Habitability of Mars, S. K. Atreya, N. O. Renno, A. S. Wong, P.R. Mahaffy, European Geosciences Union Meeting, Vienna, Austria, April 2005.

  334. First Results of the Huygens Aerosol Collector Pyrolyzer at Titan, with G. Israel, and the ACP Team, European Geosciences Union Meeting, Vienna, Austria, April 2005.

  335. Electric Dust Devils and Dust Storms, N. O. Renno, S. K. Atreya, J. Koch, C. Yana, European Geosciences Union Meeting, Vienna, Austria, April 2005.

  336. To the Depths of Venus: Salient Deep Atmospheric and Surface Science with Venus Express, with K. Baines, D. Crisp, R. Carlson, and S. Limaye, European Geosciences Union Meeting, Vienna, Austria, April 2005.

  337. A Search for Local Variations of CH4 in the Martian Atmosphere Using PFS/Mars Express, with T. Encrenaz, et al., European Geosciences Union Meeting, Vienna, Austria, April 2005.

  338. Atmospheric Mapping of Mars from Ground-based IR Imaging, with T. Encrenaz, et al., European Geosciences Union Meeting, Vienna, Austria, April 2005.

  339. Mars Atmospheric Chemistry in Electrified Dust Devils and Storms, with W. M. Farrell, et al., The Lunar and Planetary Institute Conference, Houston, Texas, March 2005.

  340. Oxidant Enhancement in Martian Dust Devils and Storms: Implications for Life and Habitability, S. K. Atreya, A. S. Wong, N. O. Renno, G. T. Delory, W. M. Farrell, et al., Mars Conference, ESTEC, Noordwijk, The Netherlands, February 2005.

    2004

  341. Juno - New Frontiers Jupiter Orbiter Mission, with S. Bolton, et al., American Geophysical Union Meeting, San Francisco, CA, 2004.

  342. A Neptune-Triton Vision Mission Using Nuclear Electric Propulsion, with P. Steffes, et al., American Geophysical Union Meeting, San Francisco, CA, December 2004.

  343. Radiative Equilibrium - Photochemical Model of Titan's Atmosphere, E. Y. Adams, S. K. Atreya, W. R. Kuhn, American Geophysical Union Meeting, San Francisco, CA, December 2004.

  344. Clouds of Neptune and Uranus: Implications for Entry Probes , A. S. Wong and S. K. Atreya, American Geophysical Union Meeting, San Francisco, CA, December 2004.

  345. Oxidant Enhancement in Martian Dust Devils and Storms: Storm Electric Fields, with G. T. Delory, et al., American Geophysical Union Meeting, San Francisco, CA, December 2004.

  346. Oxidant Enhancement in Martian Dust Devils and Storms: Electrochemistry and Oxidant Production , S. K. Atreya et al., American Geophysical Union Meeting, San Francisco, CA, December 2004.

  347. Methane on Mars - Origin, Loss, Implications for Extinct or Extant Life, S. K. Atreya and A. S. Wong, American Geophysical Union Meeting, San Francisco, CA, December 2004.

  348. A Measurement of the CO2 Isotopic Ratios in the Martian Atmosphere from High Resolution Infrared Ground-based Data, with Th. Encrenaz, et al., Division of Planetary Sciences Meeting, Louisville, KY, November 2004.

  349. A Neptune Vision Mission using Nuclear Electric Propulsion, with B. Bienstock, et al., Division of Planetary Sciences Meeting, Louisville, KY, November 2004.

  350. An HST Search for N2 Emissions on Mars Caused by Electrical Discharges During Dust Storms, with J. J. Caldwell, S. C. Hsu, N. Renno, A. S. Wong, Division of Planetary Sciences Meeting, Louisville, KY, November 2004.

  351. Cloud Structure of Neptune and Uranus , A. S. Wong, S. K. Atreya, Division of Planetary Sciences Meeting, Louisville, KY, November 2004.

  352. On Titan's Primordial Atmospheric Evolution, E. Y. Adams, S. K. Atreya, W. R. Kuhn, Division of Planetary Sciences Meeting, Louisville, KY, November 2004.

  353. Oxidant Enhancement in Martian Dust Devils and Storms: Storm Electric Fields and Electron Dissociative Attachment, with G. T. Delory, et al., Division of Planetary Sciences Meeting, Louisville, KY, November 2004.

  354. Oxidant Enhancement in Martian Dust Devils and Storms, S. K. Atreya, A. S. Wong, N. O. Renno, G. T. Delory, W. M. Farrell, et al., Division of Planetary Sciences Meeting, Louisville, KY, November 2004.

  355. Neptune Orbiter with Probes, with B. Bienstock, D. Atkinson, K. Baines, P. Mahaffy, P. Steffes, A. Stern, International Aeronautical Congress, Invited Paper, Vancouver, Canada, October 2004.

  356. Neptune Orbiter with Probes: A NASA Visions Study Project, with B. Bienstock, D. Atkinson, K. Baines, P. Mahaffy, P. Steffes, A. Stern, Probe Workshop, Ames Research Center, August, 2004.

  357. Neptune's Cloud Structure, A. S. Wong and S. K. Atreya, Probe Workshop, NASA Ames Research Center, August, 2004.

  358. Origin of Giant Planet Atmospheres - Multiple Missions to Multiple Worlds, S. K. Atreya, T. C. Owen, S. Bolton, D. Gautier, COSPAR Meeting, Paris, France, July 2004.

  359. First Results on Trace Gases from Mars Express Planetary Fourier Spectrometer, with D. Titov et al., COSPAR Meeting, Paris, France, July 2004.

  360. Search for Local Variations in CO and H2O with Mars Express/PFS, with E. Lellouch, et al., COSPAR Meeting, Paris, France, July 2004.

  361. Planetary Fourier Spectrometer/Mars Express First Results: Water Vapor and Carbon Monoxide Global Distribution, with N. I. Ignatiev, et al., COSPAR Meeting, Paris, France, July 2004.

  362. First Results of Planetary Fourier Spectrometer at Mars, with V. Formisano, et al., COSPAR Meeting, Paris, France, July 2004.

  363. Multi-Probes to Multi-Worlds, S. K. Atreya. NASA Outer Planets Exploration Forum, Pasadena, California, 21-22 June 2004.

  364. On Titan's Primordial Atmospheric Evolution, E. Y. Adams, S. K. Atreya, W. R. Kuhn, Michigan Geophysical Union Meeting, Ann Arbor, MI, May 2004.

  365. Hydrocarbon Distributions on Neptune, with Th. Encrenaz et al., European Geosciences Union Meeting, Nice, France, April 2004.

  366. Hydrogen Peroxide on Mars- Spatial Distributions and Seasonal Variations, with Th. Encrenaz, et al., European Geosciences Union Meeting, Nice, France, April 2004.

  367. Mars Photochemistry-Hydrogen Peroxide, and other Trace Species, A.-S. Wong , S. K. Atreya, Th. Encrenaz, B. Bezard, European Geosciences Union Meeting, Nice, France, April 2004.

    2003

  368. Ammonia Clouds of Jupiter and Saturn-Here Today, Gone Tomorrow? S. K. Atreya and A.-S. Wong, American Geophysical Union Meeting, San Francisco, CA, December 2003.

  369. Composition and Origin of Jupiter's Atmosphere: Follow the Water, S. K. Atreya, Joint Physics and Astronomy and the Earth Sciences Seminar, University of Western Ontario, London, Canada, November 2003.

  370. Hubble Space Telescope Search for Localized Outgassing on Mars, with T. Ouvarova, J. Caldwell, A. S. Wong, N. Renno, P. James, International Mars Polar Conf., Alberta, Canada, October 2003.

  371. Astrobiology Exploration Strategies for the Mars Polar Regions Using Balloon Platforms, with P. R. Mahaffy, et al., International Mars Polar Conference, Alberta, Canada, October 2003.

  372. Are Local Outgassing Sources on Mars Detectable from Earth Using the HST, with J. J. Caldwell, et al., Division of Planetary Sciences Meeting, Monterey, CA, September 2003.

  373. A Polar Orbiter to Probe Jupiter's Deep Atmosphere, Interior, Structure, and Polar Magnetosphere, with S. Bolton, et al., Division of Planetary Sciences Meeting, Monterey, CA, September 2003.

  374. A Photochemically Based Microphysical Study of Titan's Hazes , with E. H. Wilson, R. A. West, S. G. Edgington , Division of Planetary Sciences Meeting, Monterey, CA, September 2003.

  375. In situ Analysis of Organics and Isotopes at Mars , with P. R. Mahaffy, et al., Division of Planetary Sciences Meeting, Monterey, CA, September 2003.

  376. First Detection of CO on Uranus, with Th. Encrenaz, et al., Division of Planetary Sciences Meeting, Monterey, CA, September 2003.

  377. Sample Analysis on Mars, with W. B. Brinkerhoff, P. R. Mahaffy, et al., IAA Conference on Low Cost Planetary Missions, Noordwijk, Netherlands, September 2003.

  378. Sample Analysis at Mars, with W. B. Brinkerhoff, et al., Sixth International Conference on Mars, Pasadena, California, July 2003.

  379. Chemistry Related to Possible Outgassing Sources on Mars, A.-S. Wong, S. K. Atreya, N. Renno, Sixth International Conference on Mars, Pasadena, California, July 2003.

  380. Electrical Discharges in the Martian Dust Devils and Dust Storms, N. Renno, A.-S. Wong, S. K. Atreya, Sixth International Conference on Mars, Pasadena, California, July 2003.

  381. Detectability of Minor Constituents in the Martian Atmosphere from Infrared and Submillimeter Spectroscopy, with Th. Encrenaz, E. Lellouch, A. S. Wong, "The Planet Mars" Workshop at Les Houches, France, May 2003.

  382. Analysis of Organic Molecules and Isotopes from a Mars Lander, with P. Mahaffy, et al., European Geophysical Society-American Geophysical Union Assembly, Nice, France, April 2003.

  383. The 5-micron spectrum of Uranus with the VLT: A Search for CO and PH3, with T. Encrenaz, E. Lellouch, P. Drossart, G. Orton, European Geophysical Society-American Geophysical Union Joint Assembly, Nice, France, April 2003.

  384. Electrical Signature of Martian Dust Activity, A.-S. Wong, N. Renno, S. K. Atreya, European Geophysical Society-American Geophysical Union Joint Assembly, Nice, France, April 2003.

  385. Chemical Identification of Martian Hot Spots, A.-S. Wong, S. K. Atreya, N. Renno, European Geophysical Society-American Geophysical Union Joint Assembly, Nice, France, April 2003.

  386. Jupiter's Ammonia Clouds- Localized or Ubiquitous?, S. K. Atreya, A.-S. Wong, T. C. Owen, M. H. Wong, European Geophysical Society-American Geophysical Union Joint Assembly, Nice, France, April 2003.

    2002

  387. If Mars Had Hot Spots, A.-S. Wong, and S. K. Atreya, COSPAR World Space Congress, Houston, Texas, October 2002.

  388. Did Life Exist on Mars? Search for Organic and Inorganic Signatures, with M. Cabane, et al., COSPAR World Space Congress, Houston, Texas, October 2002.

  389. A Stringent Upper Limit of H2O2 in the Martian Atmosphere, with Th. Encrenaz, et al., Division of Planetary Sciences Meeting, Birmingham, Alabama, October 2002.

  390. Chemical Markers of Possible Hot spots on Mars, A.-S. Wong, S. K. Atreya, Th. Encrenaz, V. Formisano, N. Ignatiev, Division of Planetary Sciences Meeting, Birmingham, Alabama, October 2002.

  391. Oxygen Chemistry in Titan's Atmosphere, E. H. Wilson and S. K. Atreya, Division of Planetary Sciences Meeting, Birmingham, Alabama, October 2002.

  392. The O/H Ratio in Jupiter's Atmosphere, with M. Roos-Serote, M. H. Wong, EuroJove Conference, Lisbon, Portugal, July 2002.

  393. The Jupiter Microwave Sounder Concept, with S. J. Bolton, M. Allison, J. Anderson, D. Gautier, S. Gulkis, T. Guillot, M. Hofstadter, M. Janssen, S. Levin, J. Lunine, T. Owen, EuroJove Conference, Lisbon, Portugal, July 2002.

  394. The Nozomi (Planet B) Neutral Mass Spectrometer, Invited Paper, with H. B. Niemann, et al., Joint Mars Express-Nozomi Session at the Japanese Earth and Planetary Science Meeting, Tokyo, Japan, June 2002.

  395. The Jupiter Microwave Sounder Concept, with S. J. Bolton, M. Allison, J. Anderson, D. Gautier, S. Gulkis, T. Guillot, M. Hofstadter, M. Janssen, S. Levin, J. Lunine, T. Owen, European Geophysical Society Meeting, Nice, France, April 2002.

  396. The H3+ Rotational Temperature of Jupiter and Uranus, , with Th. Encrenaz, et al., European Geophysical Society Meeting, Nice, France, April 2002.

  397. A Search for H2O2 in the Martian Atmosphere, with Th. Encrenaz, et al., European Geophysical Society Meeting, Nice, France, April 2002.

  398. A Case for an Intermediate Homopause Level in the Atmosphere of Titan, E. H. Wilson and S. K. Atreya, European Geophysical Society Meeting, Nice, France, April 2002.


    2001

  399. Comparative Understanding of Planetary Atmospheres, with D. L. Huestis, et al., Division of Planetary Sciences Meeting, New Orleans, Louisiana, November 2001.

  400. Understanding Divergent Evolution Among Earth-like Planets, the Case for Venus Exploration, with D. Crisp, et al., Division of Planetary Sciences Meeting, New Orleans, Louisiana, November 2001.

  401. Latitudinal Variations in the Jovian Ultraviolet Spectra, with S. G. Edgington, J. Friedson, R. A. West and M. Vincent, Division of Planetary Sciences Meeting, New Orleans, Louisiana, November 2001.

  402. The 3-5 micron Spectrum of Uranus: Constraints on H3+, CO, and PH3, with Th. Encrenaz, G. S. Orton, P. Drossart, and E. Lellouch, Division of Planetary Sciences Meeting, New Orleans, Louisiana, November 2001.

  403. Formation of Haze in the Atmosphere of Titan, E. H. Wilson and S. K. Atreya, Division of Planetary Sciences Meeting, New Orleans, Louisiana, November 2001.

  404. Jupiter: Atmospheric Sounding and Sensing of the Interior (JASSI), with S. J. Bolton, T. Owen, D. Gautier, et al., The NASA Forum on Innovative Approaches to Outer Planetary Exploration, Lunar and Planetary Institute, Houston, Texas, February 2001.


    2000

  405. A 2-D Photochemical Model with Meridional Circulation, with S. G. Edgington, R. A. West, and A. J. Friedson, Division of Planetary Sciences Meeting, Pasadena, California, October, 2000.

  406. 15N/14N Isotope Ratio in the Atmosphere of Jupiter, P.R. Mahaffy, H. B. Niemann, S. K. Atreya, M. H. Wong, and T. C. Owen, Division of Planetary Sciences Meeting, Pasadena, California, October, 2000.

  407. Benzene Formation in the Atmosphere of Titan, E. H. Wilson and S. K. Atreya, Division of Planetary Sciences Meeting, Pasadena, California, October, 2000.

  408. Molecular and Higher Precision Isotopic Measurements of the Mars Atmosphere and Subsurface Volatiles, P. R. Mahaffy, S. K. Atreya, T. C. Owen, H. B. Niemann, J. Jones, and S. Gorevan, Mars Exploration Workshop, LPI, Houston, Texas, July, 2000.

  409. On the Significance of Atmospheric Parameters on the Abundances of Hydrocarbons in the Atmosphere of Titan, with E. H. Wilson, European Geophysical Society Meeting, Nice, France, April, 2000.

  410. The ISO Spectrum of Uranus and Neptune Between 2.5 and 5 μm, with Th. Encrenaz et al., ISO Beyond the Peaks-The Second ISO Meeting on Analytical Spectroscopy, Villafranca, Spain, February, 2000.


    1999

  411. Icy Planetesimals and Formation of Planets and their Atmospheres, with T. C. Owen, et. al., American Geophysical Union Meeting, San Francisco, California, December 1999.

  412. Error Analysis of Galileo Probe Mass Spectrometer Atmospheric Mixing Ratio Measurements, M. H. Wong, S. K. Atreya and P. R. Mahaffy, Division of Planetary Sciences Meeting, Padova, Italy, October, 1999.

  413. Latitudinal Variations of Jupiter in the UV as seen with the HST/Faint Object Spectrograph, S. G. Edgington, S. K. Atreya, L. M. Trafton, R. A. West, J. J. Caldwell, R. F. Beebe, A. Simon, Division of Planetary Sciences Meeting, Padova, Italy, October, 1999.

  414. MA-MISS: Mars Multispectral Imager for Subsurface Studies, with A. Coradini, et al., Division of Planetary Sciences Meeting, Padova, Italy, October, 1999.

  415. Detection of C2H4 on Neptune from ISO/PHT-S Observations, with Th. Encrenaz, B. Bezard, E. Lellouch, B. Schulz, and P. Romani, Division of Planetary Sciences Meeting, Padova, Italy, October, 1999.

  416. Low Temperature Condensates Brought Heavy Elements to Jupiter, T. C. Owen, , P. Mahaffy,H. Niemann, S. K. Atreya, A. Bar-Nun, T. Donahue and I. de Pater, Division of Planetary Sciences Meeting, Padova, Italy, October, 1999.

  417. Sensitivity Studies of Methane Photolysis and its Impact on Hydrocarbon Chemistry in the Atmosphere of Titan, E. H. Wilson and S. K. Atreya, Division of Planetary Sciences Meeting, Padova, Italy, October, 1999.

  418. Mars Solar Balloon Landed Gas Chromatograph Mass Spectrometer, with P. R. Mahaffy, et al., Mars Exploration Program and Sample Return Missions International Symposium, Paris, France, February 1999.

    1998

  419. ISO Observations of C2H2 on Uranus and CH3 on Saturn: Implications for Vertical Mixing in the Voyager and ISO Epochs, and a Call for Improved Laboratory Data, S. K. Atreya, Th. Encrenaz, H. Feuchtgruber and S. G. Edgington, The Universe as Seen by ISO Conference, Paris, France, October, 1998.

  420. Heavy Noble Gases in the Atmosphere of Jupiter, P. R. Mahaffy, H. B. Niemann, A. Alpert, S. K. Atreya, T. M. Donahue, T. C. Owen, Division of Planetary Sciences Meeting, Madison, Wisconsin, October, 1998.

  421. Ammonia and Eddy Mixing on Jupiter: Results from UV Spectra and Comparison to IR Results, S. G. Edgington, S. K. Atreya, L. M. Trafton, J. J. Caldwell, R. F. Beebe, A. A. Simon, and R. A. West, Division of Planetary Sciences Meeting, Madison, Wisconsin, October, 1998.

  422. Entrainment in the Galileo Probe Site Downdraft, M. H. Wong, S. K. Atreya, and P. N. Romani, Division of Planetary Sciences Meeting, Madison, Wisconsin, October, 1998.

  423. The D/H Ratio at Jupiter Measured by the Galileo Probe Mass Spectrometer, P. R. Mahaffy, S. K. Atreya, T. M. Donahue, T. C. Owen and H. B. Niemann, COSPAR Meeting, Nagoya, Japan, July 1998.

  424. Molecular and Isotopic Measurements at the Surface of Mars, P. R. Mahaffy, H. B. Niemann,S. K. Atreya and T. C. Owen, JPL-CNES Mars Micromission Workshop, Pasadena, CA, May, 1998.

  425. ISO Observations of Uranus: The Stratospheric Distribution of C2H2 and the Eddy Diffusion Coefficient, S. K. Atreya, Th. Encrenaz, B. Bezard, H. Feuchtgruber, E. Lellouch, J. Bishop, S. Edgington, Th. de Graauw, G. Davis, M. Kessler, European Geophysical Society Meeting, Nice, France, April, 1998.


    1997

  426. The Composition of Jupiter's Atmosphere: Noble Gases and Planetesimals, T.C. Owen, S.K. Atreya, P.R. Mahaffy and H.B. Niemann, American Geophysical Union Meeting, San Francisco, December, 1997.

  427. ISO-SWS Observations of Neptune, with B. Bezard et al, Division of Planetary Sciences Meeting, Boston, MA, July 1997.

  428. ISO-SWS Observations of Uranus: The Stratospheric Distribution of C2H2, with Th. Encrenaz et al, Division of Planetary Sciences Meeting, Boston, MA, July, 1997.

  429. Post SL9 Impact Model of Jupiter's Albedo Below 200nm Wavelength, with I. Dashevsky, J. Caldwell et al, Division of Planetary Sciences Meeting, Boston, MA, July 1997.

  430. Phosphine Mixing Ratios and Eddy Diffusion Coefficients in the Troposphere of Saturn, S. G. Edgington, S. K. Atreya, L. M. Trafton, J. J. Caldwell, R. F. Beebe, A. Simon, R. A. West, C. Barnet, Division of Planetary Sciences Meeting, Boston, MA, July, 1997.

  431. Condensible Volatiles and Clouds: A Case for Local Meteorology in the Galileo Probe Entry Region, S. K. Atreya, Colloquium at Goddard Space Flight Center, Greenbelt, Maryland, May, 1997.

  432. The Cassini-Huygens Gas Chromatograph Mass Spectrometer Investigation of Titan's Atmosphere and Surface, S. K. Atreya, European Geophysical Society Meeting, Vienna, Austria, April 1997.


    1996

  433. The Composition of Jupiter's Atmosphere: Implications for Origin, T. C. Owen, S. K. Atreya, H. B. Niemann and P. Mahaffy, American Geophysical Union Meeting, San Francisco, December 1996.

  434. Cassini Measurements of Saturn's Atmosphere and Recommendations for Future Missions: Saturn Probe and Giant Planet Multiprobes, S. K. Atreya, Round Table Discussion, Cassini-Huygens International Conference on Saturn and Titan, Bologna, Italy, November, 1996.

  435. Condensible Volatiles, Clouds, and Implications for Meteorology in the Galileo Probe Entry Region: Jupiter is Not Dry! S. K. Atreya, T. C. Owen, M. Wong, H. B. Niemann and P. Mahaffy, Division of Planetary Sciences Meeting, Tucson, Arizona, October, 1996.

  436. Latitudinal Distribution of Ammonia and Upper Limits of Acetylene and Phosphine in Jupiter's Upper Troposphere and Lower Stratosphere, S. G. Edgington, S. K. Atreya, L. M. Trafton, J. J. Caldwell, R. F. Beebe, A. Simon, R. A. West, C. Barnet, Division of Planetary Sciences Meeting, Tucson, Arizona, October, 1996.

  437. Galileo Probe Mass Spectrometer Measurements of the Composition of Jupiter's Atmosphere I:, T.C. Owen, H.B. Niemann, S.K. Atreya, G.R. Carignan, T.M. Donahue, R.E. Hartle, D.M. Hunten, N.W. Spencer, J. Haberman, D. Harpold, W. Kasprzak, P. Mahaffy, European Geophysical Society Meeting, The Hague, Netherlands, May, 1996.

  438. Galileo Mass Spectrometer Measurements of the Chemical Composition of Jupiter's Atmosphere, H. B. Niemann, S. K. Atreya, G. R. Carignan, T. M. Donahue, R. E. Hartle, D. M. Hunten, T. C. Owen, N. W. Spencer, J. Haberman, D. Harpold, W. Kasprzak, P. Mahaffy, American Geophysical Union Meeting, Baltimore, May, 1996.

  439. Chemical Composition of Jupiter's Atmosphere with the Galileo Probe Mass Spectrometer, H. B. Niemann, S . K. Atreya, G. R. Carignan, T. M. Donahue, R. Hartle, D. M. Hunten, T. C. Owen, N. W. Spencer, J. Haberman, D. Harpold, P. Mahaffy, Lunar and Planetary Society Conference, Houston, March, 1996.


    1995

  440. HCN and N2 in the Atmosphere of Jupiter , S. K. Atreya and T.C. Owen Division of Planetary Sciences Meeting, Kona, HI, October, 1995.

  441. Upper Limits of SiO, H2S and H2O on Jupiter from SL-9, with J. J. Caldwell, M. Martyn, D. Delrizzo, S. Edgington, C. Barnet, K. Noll, H. Weaver, L. Trafton and S. Yost, Division of Planetary Sciences Meeting, Kona, HI, October, 1995.

  442. HST Spectroscopic Observations of Jupiter in 1992 and 1993: The Latitudinal Variations of NH3 and C2H2 Gas, and UV-Absorbing Aerosols, L. M. Trafton, S. K. Atreya, S. G. Edgington, R. A. West, R. F. Beebe and J. J. Caldwell, IAMAS/IUGG Meeting, Boulder, Colorado, July, 1995.

  443. FUV Spectra of SL9 Impact site G with HST/GHRS, with L. M. Trafton et al., IAU Colloquium on the Impact of Comet Shoemaker-Levy 9 into Jupiter, Space Telescope Science Institute, Baltimore, and May 1995.

  444. Abundances of NH3 and CS2 and Upper Limits of H2S, PH3, C2H2 and C6H6 Above the SL9/G impact site, S. Edgington, S. K. Atreya, L. Trafton, J. Caldwell, K. Noll and H. Weaver, IAU Colloquium on the Impact of Comet Shoemaker-Levy 9 into Jupiter, Space Telescope Science Institute, Baltimore, May, 1995.

  445. The Collision of Comet Shoemaker-Levy 9 with Jupiter: Detection and Evolution of HCN in the Stratosphere of the Planet, with D. Gautier and the JCMT/SL9 Team, Paper presented at the European SL9 Workshop, Garching, Germany, February, 1995.

  446. Modifications of Jupiter's Atmosphere Probed by 3 and 5 µm Spectroscopy at the Canada-France-Hawaii Telescope During the Collision of SL9, with J. P. Maillard and others on the CFHT/SL9 Team, Paper presented at the European SL9 Workshop, Garching, Germany, February, 1995.


    447. 1994

  447. The Changed Composition of Jupiter's Atmosphere Following the Impact of Comet S-L 9, with K. S. Noll and others on the HST/SL9 Spectroscopy Team. American Geophysical Union Meeting, San Francisco, California, December 1994.

  448. Photochemical Modeling of Voyager UVS Solar Occultation Light curves Acquired at Neptune, with J. Bishop and P. N. Romani. Division of Planetary Sciences/AAS Meeting, Bethesda, Maryland, October-November, 1994.

  449. Broadband Submillimeter Observations of the Collision of Comet Shoemaker-Levy 9 with Jupiter from JCMT, with D.A. Naylor and others on the JCMT/SL9 Team. Division of Planetary Sciences/AAS Meeting, Bethesda, Maryland, October-November, 1994.

  450. JCMT Observations of the Collision of Comet Shoemaker-Levy 9 with Jupiter, with T.C. Owen and others on the JCMT/SL9 Team. Division of Planetary Sciences/AAS Meeting, Bethesda, Maryland, October-November, 1994.

  451. FTS/CFHT Spectroscopy of the S-L 9 Impact Sites on Jupiter, with J.P. Maillard and others on the CFHT-FTS/SL9 Team. Division of Planetary Sciences/AAS Meeting, Bethesda, Maryland, October-November, 1994.

  452. Comet S-L 9 Jupiter Impact Events: HST Search for Enhanced Stratospheric CO and H2S, with L. Trafton and others on the HST/SL9 Spectroscopy Team. Division of Planetary Sciences/AAS Meeting, Bethesda, Maryland, October-November, 1994.

  453. HST/HRS Spectra of Jupiter from 1610 to 1830"H during the S-L 9 Encounter, with J.J. Caldwell and others on the HST/SL9 Spectroscopy Team. Division of Planetary Sciences/AAS Meeting, Bethesda, Maryland, October-November, 1994.

  454. HST Spectroscopic Observations of Jupiter After the Impact of Comet Shoemaker-Levy 9, with K. S. Noll and others on the HST/SL9 Spectroscopy Team. Division of Planetary Sciences/AAS Meeting, Bethesda, Maryland, October-November, 1994.

  455. Origin of the Atmospheres of the Major Planets -- Clues from Trace Gases, S. K. Atreya, S. G. Edgington, D. Gautier and T. C. Owen, International Conference on Comparative Planetology, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, June, 1994.

  456. Molecular and Isotopic Sampling of the Mars Atmosphere and of Volatiles in Near Surface Solid Phase Material, with P. Mahaffy and H.B. Niemann, Mars Surveyor Workshop, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, May, 1994.


    1993

  457. HST Observations of the Spatial Variation of Gases and Aerosols in Jupiter's Atmosphere, with L.M. Trafton, R.A. West, R.F. Beebe, J.J. Caldwell and T.C. Owen, Division of Planetary Sciences Meeting, Boulder, Colorado, October, 1993.

  458. The Far Infrared Spectra of Martian Ices, B.R. Johnson and S.K. Atreya, Division of Planetary Sciences Meeting, Boulder, Colorado, October, 1993.

  459. Stability of the Martian Atmosphere: Is Heterogeneous Catalysis Essential? S.K. Atreya and Z. Gu, Division of Planetary Sciences Meeting, Boulder, Colorado, October 1993.

  460. Methane Photochemistry on Neptune: Ethane and Acetylene Mixing Ratios and Haze Production, with P.N. Romani, J. Bishop and B. Bezard, Division of Planetary Sciences Meeting, Boulder, Colorado, October, 1993.

  461. From Trace Gases to Three Families of Planets, S.K. Atreya, Guest Seminar Series, Solar System Exploration Division, NASA Headquarters, Washington, D.C., August, 1993.


    1992

  462. A Model for the Infrared Auroral Hydrocarbon Emission of Jupiter, with P. Drossart, B. Bezard, J. Bishop and J. Waite, Division of Planetary Sciences/AAS Meeting, Munich, Germany, October, 1992.

  463. Hubble Space Telescope Observations of Jupiter's Stratospheric Haze, with R. A. West, E. Karkoschka, M. Tomasko, L. Trafton, R. Beebe and L. Huber, Division of Planetary Sciences/AAS Meeting, Munich, Germany, October, 1992.

  464. HCN and CO on Neptune: An Intrinsic Origin, S. K. Atreya, T. C. Owen, D. Gautier and A. Marten, Division of Planetary Sciences/AAS Meeting, Munich, Germany, October, 1992.

  465. A Non-LTE Model for the Infrared Auroral Hydrocarbon Emission at Jupiter, with P. Drossart, et al., International Workshop on Time Variable Phenomena in the Jovian System, Annapolis, Maryland, July 1992.

  466. Laboratory Studies of Planetary Ices at Far Infrared Wavelengths, with B.R. Johnson, American Geophysical Union Meeting, Montreal, May, 1992.

  467. Origin of CO and HCN in the Atmosphere of Neptune, S. K. Atreya, Neptune Colloquium, Tucson, Arizona, January, 1992.


    1991

  468. New Analysis of Voyager UVS Solar Occultations at Neptune--Results on Atmospheric Vertical Mixing and Hydrocarbon Abundances, S. K. Atreya, J. Bishop, P. Romani, American Geophysical Union Meeting, Baltimore, Maryland, June, 1991.


    1990

  469. Photochemistry of Water on Mars, E. Chassefiere and S. K. Atreya, "Physico-Chimie Liee Aux Missions Spatiales" Symposium of French Chemical Society and the French Physical Society, Paris-Meudon, October 1990.

  470. H2S Microwave Absorption in the Atmospheres of Uranus and Neptune, with I. De Pater and P. Romani, Division of Planetary Sciences Meeting, Charlottesville, Virginia, October, 1990.

  471. Hydrocarbon Abundances in the Neptune Stratosphere from the Voyager UVS Ingress Solar Occultation, with J. E. Bishop, F. Herbert, B. Sandel and P. Romani, Division of Planetary Sciences Meeting, Charlottesville, Virginia, October, 1990.

  472. Vertical Profiles of the Size and Density of Water Ice Particles in the High Martian Clouds from the Phobos/Solar Occultation Experiment, with E. Chassefiere, J. Blamont and V. Krasnopolsky, Division of Planetary Sciences Meeting, Charlottesville, Virginia, October, 1990.

  473. Kinetic Modeling of Terrestrial H-Alpha Emissions, J. E. Bishop, S. K. Atreya and R. B. Kerr, American Geophysical Society Meeting, Baltimore, June, 1990.

  474. Cloud Structure and Upper Limits on the Ozone Concentration in the High Martian Atmosphere deduced from Phobos/Auguste Solar Occultation Experiment, with E. Chassefiere, et al., European Geophysical Society Meeting, Copenhagen, Denmark, April 1990.


    1989

  475. Stability of Carbon Dioxide on Mars: Role of Aerosols, S. K. Atreya and J. E. Blamont, American Geophysical Union Meeting, San Francisco, December, 1989.

  476. Exospheric H-alpha Line Profiles for Low Shadow Heights, with J. Bishop and R. Kerr, American Geophysical Union Meeting, San Francisco, December, 1989.

  477. Resultats sur l'atmosphére de Mars obtenus Resultats sur l'atmosphére de Mars obtenus partir d'occultations solaire dans les domaines de l'ultraviolet et du visible, with J. E. Blamont, CNES/IKI International Colloquium on the Results of the Soviet Phobos Mission, Paris, France, October, 1989.

  478. Reanalysis of Voyager 2 UVS Solar Occultation Data: Uranian Hydrocarbon and Eddy Mixing Distributions, with J. E. Bishop and F. Herbert, Division of Planetary Sciences Meeting, Providence, Rhode Island, October, 1989.

  479. Triton's Ionosphere, S. K. Atreya, American Geophysical Union Meeting, Baltimore, May 1989.

  480. Neptune Aerosol Production, with P. N. Romani, American Geophysical Union Meeting, Baltimore, May 1989.


    1988

  481. Exospheric Profiles, with J. Bishop and R. B. Kerr, American Geophysical Union Meeting, San Francisco, California, December 1988.

  482. Two Micron High Resolution Spectra of the Jovian Auroral Zone, with P. Drossart, et al., Division of Planetary Sciences Meeting, Austin, Texas, November, 1988.

  483. Last Gasp pre-Voyager Neptune Encounter Methane Photochemistry and Stratospheric Haze Production, with P. N. Romani, Division of Planetary Sciences Meeting, Austin, Texas, November 1988.

  484. Deep Atmosphere of Uranus, with I. De Pater, P. Romani and S. Gulkis, Uranus Symposium, Pasadena, California, June 1988.

  485. Comets Halley and Wilson: Hydrogen and Oxygen Emissions, with R. B. Kerr, et al., American Geophysical Meeting, Baltimore, May, 1988.

    1987

  486. Balmer-Alpha Observations as Suggested by Radiative Transport Theory: First Order Altitude Profiles of Atomic Hydrogen Density, with R. B Kerr and C. A. Tepley, American Geophysical Union Meeting, San Francisco, December, 1987.

  487. Stratospheric Haze Production from Methane Photochemistry on Neptune, P. N. Romani and S. K. Atreya, Division of Planetary Sciences Meeting, Pasadena, California, November, 1987.

  488. Hydrocarbon Hazes on Uranus, S. K. Atreya and P. N. Romani, IUGG Union Symposium, Vancouver, Canada, August, 1987.

  489. Time Variable Structure and Chemical Disequilibrium in Jupiter's Atmosphere, with P. Drossart, R. Courtin and A. Tokunaga, International Workshop on Time Variable Phenomena in the Jovian System, Flagstaff, Arizona, August, 1987.

  490. Deep Atmospheres of the Major Planets, I. de Pater, S. K. Atreya, S. Gulkis and P. N. Romani, Origin and Evolution of Planetary Atmospheres Conference, Tucson, March, 1987.


    1986

  491. EUV Occultation Observations by Voyager 2, with B. R. Sandel, et al., American Geophysical Union Meeting, San Francisco, December, 1986.

  492. A Seasonal Variation of Energetic Atomic Hydrogen from Charge Exchange at Arecibo, R. B. Kerr, S. K. Atreya and C. A. Tepley, American Geophysical Union Meeting, San Francisco, December, 1986.

  493. Post Perihelion Observations of Comet Halley at 6300"H and Balmer-Alpha, S. K. Atreya, R. B. Kerr, T. M. Donahue, R. P. Cageo, I. M. Cherchneff and C. A. Tepley, American Geophysical Union Meeting, San Francisco, December, 1986.

  494. A Detection of Acetylene on Uranus using IUE, with Th. Encrenaz, et al., Division of Planetary Sciences Meeting, Paris, France, November, 1986.

  495. Polyacetylene Photochemistry and Condensation on Uranus, P. N. Romani and S. K. Atreya, Division of Planetary Sciences Meeting, Paris, France, November, 1986.

  496. Structure of the Upper Atmosphere of Uranus, with B. R. Sandel, et al., Division of Planetary Sciences Meeting, Paris, France, November, 1986.

  497. Voyager/Uranus UV Occultations -- Atmospheric Vertical Mixing and Photochemistry, S. K. Atreya, P. N. Romani, B. R. Sandel, F. Herbert, A. L. Broadfoot and R. Yelle, Division of Planetary Sciences Meeting, Paris, France, November, 1986.

  498. High Spectral Resolution Fabry-Perot Interferometer Measurements of Comet Halley at H-Alpha and OI 6300"H, with R. B. Kerr, et al., COSPAR/ICSU Plenary Meeting, Toulouse, France, July, 1986.

  499. Fabry-Perot Observations of Hydrogen Balmer-Alpha and Atomic Oxygen (6300"H) Profiles of Comet Halley, with R. B. Kerr, et al., American Geophysical Union Meeting, Baltimore, May, 1986.


    1985

  500. A Fourier Deconvolution Technique for the Analysis of Asymmetric, High Resolution Fabry-Perot Profiles: An Application to the Geocoronal Balmer-Alpha Emission. S. K. Atreya, R. B. Kerr, J. W. Meriwether and C. A. Tepley, American Geophysical Union Meeting, San Francisco, December, 1985.

  501. Seasonal and Diurnal Variations of the Geocoronal Balmer-Alpha Emission Profile Width Measured at Arecibo During Low Solar Activity, R. B. Kerr, S. K. Atreya, J. W. Meriwether and C. A. Tepley, American Geophysical Union Meeting, San Francisco, December, 1985.

  502. Four Years of Observations of the H Lyman-alpha Emission from Uranus and Tests for Correlation with the Solar Wind Density, with J. T. Clarke, et al., Division of Planetary Science Meeting, Baltimore, Maryland, October, 1985.

  503. Acetylene, Ethane and Polar Infrared Brightening on Jupiter, with P. Drossart, et al., Division of Planetary Science Meeting, Baltimore, Maryland, October, 1985.

  504. Clouds in the Atmosphere of Uranus, P. N. Romani and S. K. Atreya, Division of Planetary Science Meeting, Baltimore, Maryland, October, 1985.

  505. Exospheric Hydrogen Velocity Distribution and the Topside Ion Temperatures, with R. B. Kerr and J. W. Meriwether, International Association of Geomagnetism and Aeronomy Meeting, Prague, Czechoslovakia, August, 1985.


    1984

  506. Observations of the Geocoronal Balmer-Alpha Profiles; Comparison of Exospheric Hydrogen Temperature to the F-Region Ion Temperature at Arecibo, with R. B. Kerr, American Geophysical Union Meeting, San Francisco, December, 1984.

  507. Photochemistry of Methane in the Atmosphere of Neptune, with P. N. Romani, Division of Planetary Sciences/American Astronomical Society Meeting, Kona, Hawaii, October 1984.

  508. Geocoronal Balmer Alpha and the F-Region Oxygen Temperatures, R. B. Kerr, S. K. Atreya, J. W. Meriwether and C. A. Tepley, American Geophysical Union Spring Meeting, Cincinnati, May, 1984.


    1983

  509. Uranus: Photochemistry and Hazes, S. K. Atreya, Division of Planetary Sciences, American Astronomical Society Meeting, Cornell University, Ithaca, New York, October, 1983.

  510. Jovian and Saturnian Lyman-Alpha Albedo, and the Atmospheric Vertical Mixing, S. K. Atreya and R. B. Kerr, American Association for the Advancement of Science Meeting, Detroit, Michigan, and May 1983.

  511. Clouds of Jupiter and Saturn, P. N. Romani and S. K. Atreya, American Association for the Advancement of Science Meeting, Detroit, Michigan, May, 1983.


    1982

  512. Search for Hydrogen Atoms in Comet Schwassmann Wachmann I, M. C. Festou and S. K. Atreya, International Conference on Cometary Exploration, sponsored by European Physical Society, Budapest, Hungary, November 1982.

  513. Interaction of Saturn's Magnetosphere with Titan's Ionosphere with R. E. Hartle, et al., Saturn International Conference, Tucson, Arizona, May, 1982.

  514. Jovian Cloud Physics, S. K. Atreya, Fourth Meeting of Planetary Atmospheres Principal Investigators, University of Michigan, Ann Arbor, April 1982.

  515. Composition and Structure of Planetary Atmospheres and Ionospheres, S. K. Atreya, Fourth Meeting of Planetary Atmospheres Principal Investigators, University of Michigan, Ann Arbor, April 1982.

  516. Etude des Emissions Lyman-Alpha de Jupiter et de Saturne entre 1967 et 1981, M. C. Festou and S. K. Atreya, Workshop on Planetology, Institut National d'Astronomie et Geophysique Paris, France, February, 1982.


    1981

  517. Ultraviolet Spectroscopy on Voyager 2: Extended Saturnian System, with A. L. Broadfoot, et al., Annual Meeting of the American Geophysical Union, San Francisco, December 1981.

  518. Ultraviolet Spectroscopy on Voyager 2: Saturn Atmosphere, with A. L. Broadfoot, et al., Annual Meeting of the American Geophysical Union, San Francisco, December 1981.

  519. Titan's Plasma Wake, with R. E. Hartle, Symposium of Physics of the Jovian and Saturnian Magnetospheres, Applied Physics Laboratory, The Johns Hopkins University, Laurel, Maryland, October, 1981.

  520. Profile Measurements of Geocoronal Hydrogen Balmer Alpha, S. K. Atreya and J. W. Meriwether, International Association of Geomagnetism and Aeronomy, Scientific Assembly, Edinburgh, Scotland, August, 1981.

  521. Saturn Upper Atmosphere and Ionosphere, J. H. Waite Jr., S. K. Atreya, A. F. Nagy, T. M. Donahue, and T. E. Cravens, International Association of Geomagnetism and Aeronomy, Scientific Assembly, Edinburgh, Scotland, August, 1981.

  522. Titan's Ion Exosphere Observed from Voyager 1, R. E. Hartle, E. C. Sittler, J. D. Scudder, and S. K. Atreya, American Geophysical Union Meeting, Baltimore, Maryland, May, 1981.

  523. Planetary Aeronomy Research, S. K. Atreya, NASA Planetary Atmospheres Principal Investigators Third Meeting, Baltimore, Maryland, February 1981.

    1980

  524. Ultraviolet Spectroscopy: The Saturnian System, with A. L. Broadfoot, et al., Annual Meeting of the American Geophysical Union, San Francisco, December, 1980.

  525. Ultraviolet Spectroscopy: The Atmospheres of Saturn and Titan, with A. L. Broadfoot, et al., Annual Meeting of the American Geophysical Union, San Francisco, December, 1980.

  526. A Model of the Jovian Aurora, J. H. Waite Jr, T. E. Cravens, S. K. Atreya, J. Kozyra, and A. F. Nagy, Annual Meeting of the American Geophysical Union, San Francisco, December, 1980.

  527. UV Results through Voyager Jupiter Encounter, Poster Talk with A. L. Broadfoot, et al., Meeting of the Division of Planetary Sciences, American Astronomical Society, Tucson, October 1980.

  528. A Spectroscopic Search for N2+ Emissions in the Polar Regions of Saturn and on the Nightside of Venus, E. S. Barker, L. Trafton, and S. K. Atreya, Meeting of the Division of Planetary Sciences, American Astronomical Society, Tucson, October 1980.

  529. IUE Observations of Saturn, J. T. Clarke, H. W. Moos, S. K. Atreya, and A. L. Lane, Meeting of the Division of Planetary Sciences, American Astronomical Society, Tucson, October, 1980.

  530. Creation of Jovian Hydrogen Bulge by Co-Rotating Magnetospheric Convection, A. J. Dessler, B. R. Sandel, and S. K. Atreya, Meeting of the Division of Planetary Sciences, American Astronomical Society, Tucson, October, 1980.

  531. Structure and Composition of the Upper Atmosphere of Jupiter by Voyager 2 Stellar Occultation Experiment, S. K. Atreya, T. M. Donahue, B. R. Sandel, D. E. Shemansky, and A. L. Broadfoot, Meeting of the Division of Planetary Sciences, American Astronomical Society, Tucson, October, 1980.

  532. Energetics of Saturn Ionosphere, J. H. Waite Jr., S. K. Atreya, A. F. Nagy, and T. E. Cravens, Spring Meeting of the American Geophysical Union, Toronto, May, 1980.

  533. Study of the Jovian Upper Atmosphere by a Voyager 2 Ultraviolet Stellar Occultation Experiment, M. C. Festou, S. K. Atreya, and T. M. Donahue, Spring Meeting of the American Geophysical Union, Toronto, May, 1980.

  534. Measurement of Balmer Alpha Geocoronal Profile During Solar Maximum, J. W. Meriwether, S. K. Atreya, and T. M. Donahue, Spring Meeting of the American Geophysical Union, Toronto, May, 1980.

  535. Observations of Io-Plasma Torus, H. W. Moos, J. T. Clarke, S. K. Atreya, and A. L. Lane, IUE Symposium, Goddard Space Flight Center, May, 1980.

  536. Observations of Polar Aurora on Jupiter, with J. T. Clarke, IUE Symposium, Goddard Space Flight Center, May, 1980.


    1979

  537. The Effect of Ozone on the Martian Temperature Structure, W. R. Kuhn, S. K. Atreya, and S. E. Postawko, Annual Meeting of the American Geophysical Union, San Francisco, California, December, 1979.

  538. The Ionosphere of Saturn J. H. Waite Jr., S. K. Atreya, and A. F. Nagy, Annual Meeting of the American Geophysical Union, San Francisco, California, December, 1979.

  539. Planetary Aeronomy, S. K. Atreya, NASA Planetary Atmospheres Principal Investigators Second Meeting, Boulder, Colorado, November 1979.

  540. Ultraviolet Studies of Saturn, Jupiter and Venus using IUE, with H. W. Moos, et al., Meeting of the Division of Planetary Sciences, American Astronomical Society, St. Louis, October, 1979.

  541. Voyager 1 Encounter with Jupiter: The Satellites and Magnetosphere by Ultraviolet Spectrometer, with A. L. Broadfoot, et al., Spring Meeting of the American Geophysical Union, Washington, D.C., May 1979.

  542. Voyager 1 Encounter with Jupiter: The Atmosphere by Ultraviolet Spectrometer, with A. L. Broadfoot, et al., Spring Meeting of the American Geophysical Union, Washington, D.C., May 1979.


    1978

  543. Ammonia Greenhouse Effect in the Primitive Atmosphere, W. R. Kuhn, and S. K. Atreya, Annual Meeting of the American Geophysical Union, San Francisco, California, December, 1978.

  544. Does Titan Possess a Thick Atmosphere of Nitrogen? S. K. Atreya, T. M. Donahue, and W. R. Kuhn, Meeting of the Division of Planetary Sciences, American Astronomical Society, Pasadena, California, October-November, 1978.

  545. A Program for Research in Planetary Atmospheres at the University of Michigan, S. K. Atreya, NASA Planetary Atmospheres Principal Investigators First Meeting, Pasadena, California, October, 1978.


    1977

  546. Methylamine Formation in the Jovian Atmosphere, W. R. Kuhn, S. K. Atreya, and S. Chang, Meeting of the Division of Planetary Sciences, American Astronomical Society, Honolulu, Hawaii, January, 1977.

  547. The Distribution of Ammonia, Hydrazine and Nitrogen in the Atmosphere of Jupiter, S. K. Atreya, T. M. Donahue, and W. R. Kuhn, Meeting of the Division of Planetary Sciences, American Astronomical Society, Honolulu, Hawaii, January, 1977.


    1976

  548. Photolysis of Ammonia in the Jovian Atmosphere, S. K. Atreya, National Astronomy and Ionosphere Center, Arecibo Observatory, Puerto Rico, Summer Lecture Series, May, 1976.

  549. Ozone Measurements at High Altitudes, G. R. Riegler, S. K. Atreya, R. J. Cicerone, S. C. Liu, and J. F. Drake, Annual Meeting of the American Geophysical Union, San Francisco, California December, 1976.

  550. Electron Temperature of the Jovian Ionosphere, A. F. Nagy, W. Chameides, R. Chen, and S. K. Atreya, Spring Meeting of the American Geophysical Union, Washington, D. C., April, 1976.

  551. Stellar Occultation Measurements of Nighttime Equatorial Ozone Between 42 km and 114 km Altitude, G. R. Riegler, and S. K. Atreya, Joint Symposium on Atmospheric Ozone of the International Association of Meteorology and Atmospheric Physics, and World Meteorological Organization, Dresden, Germany, 1976.


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