Physics
Scientific paper
Mar 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990georl..17..287a&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 17, March 1990, p. 287-290.
Physics
31
Aerosols, Atmospheric Chemistry, Atmospheric Composition, Mars Atmosphere, Carbon Dioxide Concentration, Carbon Monoxide, Ice, Middle Atmosphere, Mars, Atmosphere, Stability, Chemistry, Carbon Monoxide, Hypotheses, Carbon Dioxide, Depletion, Oxidation, Aerosols, Water Ice, Mixing, Abundance, Spacecraft Observations, Phobos 2 Mission, Spectrometry
Scientific paper
A new hypothesis is proposed for recycling Martian CO to CO2. The same hypothesis can satisfactorily explain the recently observed depletion in CO in the middle atmosphere of Mars. The mechanism involves oxidation of CO through heterogeneous chemistry in the presence of aerosols. It is further suggested that H2O ice aerosols in the atmosphere of Mars are particularly effective in this process. The thrust for suggesting this mechanism came from the extensive presence of aerosols in the Martian atmosphere and relatively low CO mixing ratios in the low to middle atmosphere detected by the Phobos spacecraft.
Atreya Sushil K.
Blamont E. J. E. J.
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