Physics – Space Physics
Scientific paper
Aug 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980ijrsp...9..142m&link_type=abstract
Indian Journal of Radio and Space Physics, vol. 9, Aug. 1980, p. 142-146.
Physics
Space Physics
Carbon Dioxide, Gas Dissociation, Mars Atmosphere, Photochemical Reactions, Reaction Kinetics, Absorption Spectroscopy, Atmospheric Chemistry, Catalytic Activity, Dynamic Stability, Molecular Absorption, Ultraviolet Absorption, Mars, Atmosphere, Carbon Dioxide, Kinematics, Ultraviolet, Concentration, Photodissociation, Photochemistry, Absorption, Wavelengths, Flux, Mathematical Models, Water Vapor
Scientific paper
An attempt is made to account for the absence of dissociation of carbon dioxide into its elements in the Martian atmosphere. Reaction kinematics for the rate of dissociation of CO2 by UV below 2275 A and the photochemistry of CO2 are studied based on some probable reactions in the atmosphere of Mars. Some catalytic reactions are also discussed. It is shown that the stability of CO2 in Mars is inseparably related to the amount of water vapor present and to its evolution, and that the escape of the lighter hydrogen atom keeps the concentration of CO2 almost constant over a small range. It is cautioned that the Martian atmosphere will slowly dissociate in many orders of magnitude of time.
Chakravarty B.
Misra Rajiv
Pradeep Kumar T. M.
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