Mathematics – Logic
Scientific paper
Aug 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990jgr....9514811b&link_type=abstract
(American Geophysical Union and Geological Society of America, International Conference on Mars, 4th, Tucson, AZ, Jan. 10-13, 19
Mathematics
Logic
74
Atmospheric General Circulation Models, Carbon Dioxide Concentration, Gravity Waves, Mars Atmosphere, Thermosphere, Wind Velocity, Adiabatic Conditions, Atmospheric Models, Dust Storms, Temperature Distribution
Scientific paper
The NCAR thermospheric general circulation model (TGCM) for the earth's thermosphere was modified to examine the structure and circulation of the upper mesosphere and thermosphere of Mars (MTGCM). An equinox version of the code is first used to investigate the Mars global dynamic and structure for two periods: August-September 1969 (by Mariner 6-7) and July 1976 (by Viking I). The MTGCM is then modified to predict the state of the Mars thermosphere for various combinations of solar and orbital conditions. The results of heat budget calculations indicate that solar heating is probably not the only driving mechanism of the Mars upper atmosphere. Also significant, especially during dust-storm periods, are gravity-wave and tidal influences from below.
Bougher Stephen W.
Dickinson Robert E.
Ridley E. C.
Roble Raymond G.
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