Computer Science
Scientific paper
Dec 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992msat.work..171x&link_type=abstract
In Lunar and Planetary Inst., Workshop on the Martian Surface and Atmosphere Through Time p 171-172 (SEE N92-28988 19-91)
Computer Science
Atmospheric General Circulation Models, Optical Thickness, Rocks, Shear Stress, Thematic Mapping, Thermal Mapping, Wind Shear, Annual Variations, Dust, Infrared Radiation, Pressure, Sands, Sediments, Stress Functions
Scientific paper
A General Circulation Model (GCM) for Mars developed at the Ames Research Center makes global predictions of wind shear stress as a function of season and dust optical depth. The surface shear stress, pressure and temperature from the GCM are used here to calculate the drift potential, or the amount of sediment that could be moved by the wind. A map of sand roses based on the calculations was generated for comparison with predictions of the distribution of rocks on Mars from Christensen, which is derived from infrared thematic mapper (IRTM) data. The drift potential was defined for Earth as the amount of sand moved at a given place for a stated period of time, and was adapted here for Mars.
Greeley Ronald
Xu Pengyang
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