Physics
Scientific paper
May 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006agusm.u53a..02z&link_type=abstract
American Geophysical Union, Fall Meeting 2007, abstract #U53A-02
Physics
5405 Atmospheres (0343, 1060), 5410 Composition (1060, 3672), 6225 Mars, 0310 Airglow And Aurora, 0343 Planetary Atmospheres (5210, 5405, 5704)
Scientific paper
A one-dimensional photochemical-transport model of the Mars atmosphere has been developed to study the diurnal cycles of wave-photochemistry coupling in the lower atmosphere. The model self-consistently calculates water vapor mixing ratio profiles, which exhibit strong vertical and diurnal variations mainly due to the high sensitivity of the saturation vapor pressure to temperature variations. The dynamical coupling of H2O content between the time-scale of the temperature variation and the relaxation times of fusion-sublimation processes leads to asymmetric variations in water vapor concentrations. As a result, the net effect of the temperature variation by tidal waves depletes the water vapor concentration in its diurnal mean, which leads to significant enhancements of both ozone concentration and associated airglow emissions in the Mars atmosphere.
Yee J.
Zhu Xiyu
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