Sound-Producing Sand Avalanches
Analysis of the theories and experiments done so far on sound-producing
(e.g., roaring, booming) sand avalanches.
F. Nori, P. Sholtz, and M. Bretz, Scientific
Translated into several languages
(e.g., Arabic, Chinese, French, German, Japanese, Polish, Spanish).
Vol. 277, No. 3, p. 84 (September 1997).
P. Sholtz, M. Bretz, and F. Nori,
A PDF version of this
Vol. 38, No. 5, 329-342
- Postscript preprint (equations are fully legible,
but you need to use a PS-viewer or printer).
version (best choice, with color photos).
- HTML version (Recommended version if you do
not have a Postcript viewer/printer.
A few equations are a bit
hard to read in the HTML version).
- Fig. 1 Color photo of a booming sand dune
(Sand Mountain, NV).
- Fig. 2 Sand grain micrographs (see text).
- Fig. 3 Schematic diagram of shearing
in granular assemblies.
Newspapers in the US (e.g., Dallas Morning News, Oct. 20, 1997,
Discovery Section, large cover story;
Science on-line: ScienceNow (6 March 97).
Also, in newspapers in Colorado and Michigan.).
Newspapers abroad (e.g., Swiss Die Weltwoche ,
Oct. 2, 1997, Science and Culture Section,
full page article; and also in Germany,
Deutsche Presse-Agentur, August 19, 1998).
Science Magazines abroad (e.g., Italian Focus, Dec. 97, devotes
five pages (p. 32-36), including an interview and part of the cover;
Also, Panorama, page 165, May 14, 1994).
American Institute of Physics: Science Report Radio (Physics News
broadcasted by Radio Stations) (1998).
Preliminary results of this work were featured in Science 264,
200 (April 8, 1994).
An interview will appear in a TV program for
The Discovery Channel.
Sound recording of booming sand (Sand Mountain,
Nevada) Sound file in .au format. File is large: 6.5 Mbytes. Good-quality
sub-woofer speakers help to reproduce the very low frequencies. First 1.5 minutes
recorded by Bernie Krause, David Criswell, and Jim Metzner. The remaining part,
about a minute, was recorded by Michael Bretz
Booming Dunes, Namib Desert Booming
Sands (these two Namib desert photos are by Annie Griffiths Belt).