Energy exchange between O, H, and N atoms in the Martian upper atmosphere

Details Energy exchange between O, H, and N atoms in the Martian upper atmosphere Energy exchange between O, H, and N atoms in the Martian upper atmosphere

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufm.p51d1158k&link_type=abstract

American Geophysical Union, Fall Meeting 2009, abstract #P51D-1158

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[0325] Atmospheric Composition And Structure / Evolution Of The Atmosphere, [0328] Atmospheric Composition And Structure / Exosphere, [6225] Planetary Sciences: Solar System Objects / Mars

Scientific paper

The energy exchange between O, H, and N atomic gases in the upper atmospheres of terrestrial planets have been investigated. Rates of the energy transfer between different atmospheric constituents have been computed with updated values of collisional cross sections obtained in accurate "ab initio" quantum-mechanical computations. Energy distribution functions of energetic O, H, and N atoms have been calculated for the Martian upper atmosphere and evaluated for the Earth and Venus. Distributions of the secondary energetic recoil atoms in the atmospheres of terrestrial planets have been determined using solutions of the Boltzmann equation and Monte Carlo simulations. Fractions of hot H atoms capable of escaping from atmospheres of the terrestrial planets have been determined and compared. Global energy transfer between O, H, and N gases have been evaluated for different solar conditions.

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