Photochemistry of SO2 in Venus' upper cloud layers

Details Photochemistry of SO2 in Venus' upper cloud layers Photochemistry of SO2 in Venus' upper cloud layers

Dec 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980jgr....85.7849w&link_type=abstract

Journal of Geophysical Research, vol. 85, Dec. 30, 1980, p. 7849-7860.

Physics

10

Venus, Photochemistry, Sulfur Dioxide, Clouds, Models, Distribution, Gases, Sulfuric Acid, Mixing, Comparisons, Pvo Mission, Chemistry, Density, Ouvs Instrument, Boundaries, Abundance, Oxidation, Spacecraft Observations

Scientific paper

The photochemical and transport processes that occur in the Venusian atmosphere in and above the upper cloud region are characterized with attention to the correlation with the Pioneer Venus spectrometer results for the cloud top SO2 distribution. The model uses upward-flowing SO2 and H2O to replace the sulfur and hydrogen lost through the lower boundary by the settling of sulfuric acid aerosols. Oxygen for the oxidation of SO2 to SO3 prior to hydration to H2SO4 is supplied by the photolysis of CO2. A model with SO2 as the major sulfur-bearing gas is consistent with the Pioneer data.

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