Michael Liemohn
Associate Professor
Atmospheric, Oceanic, and Space Sciences
University of Michigan
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Magnetosphere-Solar Wind Research Activities

I study how the solar wind controls the flow of mass and energy through geospace, in particular through inner magnetosphere during storms. Please see the ring current research page for specifics of that population. Here I am listing those studies that directly link the solar wind variations and conditions to dynamics within the magnetosphere. There are also a couple papers here looking at magnetospheric plasma upstream in the solar wind.

Publications on the magnetosphere-solar wind interaction

2008

Liemohn, M. W., J.-C. Zhang, M. F. Thomsen, J. E. Borovsky, J. U. Kozyra, and R. Ilie, Superstorms at geosynchronous orbit: how different are they?, Geophys. Res. Lett., 35, L06S06, doi: 10.1029/2007GL031717, 2008.

2007

Zhang, J.-Ch., M. W. Liemohn, D. L. De Zeeuw, J. E. Borovsky, A. J. Ridley, S. Sazykin, M. F. Thomsen, J. U. Kozyra, T. I. Gombosi, and R. A. Wolf, Understanding storm-time ring current sources through data-model comparisons of a moderate storm, J. Geophys. Res., 112, A04208, doi: 10.1029/2006JA011846, 2007.

2006

Liemohn, M. W., Introduction to the GEM Inner Magnetosphere/Storms Assessment Challenge, J. Geophys. Res., 111. A11S01, doi: 10.1029/2006JA011970, 2006.

Zhang, J.-Ch., M. W. Liemohn, M. F. Thomsen, J. U. Kozyra, M. H. Denton, and J. E. Borovsky, A statistical comparison of hot-ion properties at geosynchronous orbit during intense and moderate geomagnetic storms at solar maximum and minimum, J. Geophys. Res., 111, A07206, doi: 10.1029/2005JA011559, 2006.

Denton, M. H., J. E. Borovsky, R. M. Skoug, M. F. Thomsen, B. Lavraud, M. G. Henderson, R. L. McPherron, J. C. Zhang, and M. W. Liemohn, Geomagnetic storms driven by ICME- and CIR-dominated solar wind, J. Geophys. Res., 111, A07S07, doi: 10.1029/2005JA011436, 2006.

Zhang, J.-C., M. W. Liemohn, J. U. Kozyra, M. F. Thomsen, H. A. Elliott, and J. Weygand, A statistical comparison of solar wind sources of moderate and intense geomagnetic storms at solar minimum and maximum, J. Geophys. Res., 111, A01104, doi: 10.1029/2005JA011065, 2006.

2005

Moore, T. E., M.-C. Fok, M. O. Chandler, S.-H. Chen, S. P. Christon, D. C. Delcourt, J. Fedder, M. Liemohn, W. K. Peterson, and S. Slinker, Solar and ionospheric plasmas in the ring current, Inner Magnetosphere Interactions: New Perspectives from Imaging, AGU Monogr. Ser., vol. 159, ed. by J. L. Burch, M. Schulz, and H. Spence, p. 179, Am. Geophys. Un., Washington, D. C., 2005.

Denton, M. H., M. F. Thomsen, H. Korth, S. Lynch, J.-Ch. Zhang, and M. W. Liemohn, Bulk plasma properties at geosynchronous orbit, J. Geophys. Res., 110, A07223, doi: 10.1029/2004JA010861, 2005.

Siscoe, G. L., R. L. McPherron, M. W. Liemohn, A. J. Ridley, and G. Lu, Reconciling prediction algorithms for Dst, J. Geophys. Res., 110, A02215, doi: 10.1029/2004JA010465, 2005.

Moore, T. E., M.-C. Fok, M. O. Chandler, C. R. Chappell, S. Christon, D. Delcourt, J. Fedder, M. Huddleston, M. Liemohn, W. Peterson, S. P. Slinker, Plasma sheet and (non-storm) ring current formation from solar and polar wind sources, J. Geophys. Res., 110, A02210, doi: 10.1029/2004JA010563, 2005.

2004

Zhang, J.-Ch., M. W. Liemohn, J. U. Kozyra, B. J. Lynch, and T. H. Zurbuchen, A statistical study on the geoeffectiveness of near-Earth magnetic clouds during high solar activity years, J. Geophys. Res., 109, A09101, doi: 10.1029/2004JA010410, 2004.

2003

Kozyra, J. U., and M. W. Liemohn, Ring current energy input and decay, Space Sci. Rev, 109, 105, 2003.

Daglis, I. A., J. U. Kozyra, Y. Kamide, D. Vassiliadis, A. S. Sharma, M. W. Liemohn, W. D. Gonzalez, B. T. Tsurutani, and G. Lu, Intense space storms: Critical issues and open disputes, J. Geophys. Res., 108(A5), 1208, doi: 10.1029/2002JA009722, 2003.

Posner, A., M. W. Liemohn, and T. H. Zurbuchen, Upstream magnetospheric ion flux tube within a magnetic cloud: Wind/STICS, Geophys. Res. Lett., 30(6), 1346, doi: 10.1029/2002GL016116, 2003.

2002

Liemohn, M. W., and A. J. Ridley, Comment on "Nonlinear response of the polar ionosphere to large values of the interplanetary electric field" by C. T. Russell et al., J. Geophys. Res., 107(A12), 1460, doi: 10.1029/2002JA009440, 2002.

O'Brien, T. P., R. L. McPherron, and M. W. Liemohn, Continued convection and the initial recovery of Dst, Geophys. Res. Lett., 29(23), 2143, doi: 10.1029/2002GL015556, 2002.

Kozyra, J. U., M. W. Liemohn, C. R. Clauer, A. J. Ridley, M. F. Thomsen, J. E. Borovsky, J. L. Roeder, and V. K. Jordanova, Two-step Dst development and ring current composition changes during the 4-6 June 1991 magnetic storm, J. Geophys. Res., 107(A8), 1224, doi: 10.1029/2001JA000023, 2002.

Liemohn, M. W., J. U. Kozyra, M. R. Hairston, D. M. Weimer, G. Lu, A. J. Ridley, T. H. Zurbuchen, and R. M. Skoug, Consequences of a saturated convection electric field on the ring current, Geophys. Res. Lett., 29(9), 1348, doi: 10.1029/2001GL014270, 2002.

Posner, A., N. A. Schwadron, T. H. Zurbuchen, J. U. Kozyra, M. W. Liemohn, and G. Gloeckler, Association of low-charge-state heavy ions far upstream of the Earth's bow shock with space weather, Geophys. Res. Lett., 29(7), 1099, doi: 10.1029/2001GL013449, 2002.