Cloud photochemistry and its effect on the composition of the upper atmosphere of Venus

Details Cloud photochemistry and its effect on the composition of the upper atmosphere of Venus Cloud photochemistry and its effect on the composition of the upper atmosphere of Venus

Oct 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000georl..27.3301r&link_type=abstract

Geophysical Research Letters, Volume 27, Issue 20, p. 3301-3304

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Atmospheric Composition And Structure: Cloud Physics And Chemistry, Oceanography: Biological And Chemical: Photochemistry, Planetology: Fluid Planets: Atmospheres-Composition And Chemistry, Planetology: Solar System Objects: Venus

Scientific paper

Laboratory studies of the 248 nm photooxidation of Fe(II) to Fe(III) in concentrated sulfuric acid solutions indicate that photochemical reactions in the sulfuric acid clouds of Venus are capable of affecting the composition of the atmosphere at high altitudes, by removing O2 and CO and regenerating CO2. Major primary processes are the production of SO3- radical ions by photolysis of solvated SO2, and of SO4- radical ions by photolysis of complex ions containing Fe(III), if traces of iron salts are present. Secondary processes are similar to those which result in the formation of acid rain in Earth's troposphere.

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