Atomic carbon in the Mars and Venus atmospheres

Details Atomic carbon in the Mars and Venus atmospheres Atomic carbon in the Mars and Venus atmospheres

Jul 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982kosis..20..595k&link_type=abstract

Kosmicheskie Issledovaniia, vol. 20, July-Aug. 1982, p. 595-603. In Russian.

Computer Science

1

Atmospheric Composition, Carbon, Mars Atmosphere, Venus Atmosphere, Atmospheric Chemistry, Atmospheric Models, Atom Concentration, Atomic Excitations, Ground State

Scientific paper

Available laboratory data are used to analyze carbon-atom formation processes in the ground and excited states, leading to luminescence. The efficiency of these processes is greater in CO than in CO2. On Mars, atomic carbon has a maximum of 1.5 x 10 to the 5th/cu cm at 155 km and a total vertical-column density of 1.2 x 10 to the 12th/sq cm; on Venus, atomic carbon has a maximum of 7 x 10 to the 6th/cu cm at 145 km, a total vertical-column density of 2.3 x 10 to the 13th/sq cm, and there is an O/C ratio of 300 at 150 km. Saturation effects are significant for resonant scattering at 1657 A. The zenith glow intensity is 50 rayleigh on Mars and 420 rayleigh on Venus, and the intensity at the limb maximum is 1.6 kilo-rayleigh on Mars and 20 kilo-rayleigh on Venus.

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