Some problems in Venus' aeronomy

Details Some problems in Venus' aeronomy Some problems in Venus' aeronomy

May 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975p%26ss...23..763s&link_type=abstract

Planetary and Space Science, vol. 23, May 1975, p. 763-786.

Computer Science

15

Aeronomy, Atmospheric Chemistry, Gas Transport, Photochemical Reactions, Venus Atmosphere, Atmospheric Composition, Atmospheric Models, Cloud Cover, Planetary Ionospheres, Thermosphere

Scientific paper

Models are presented for the height distribution of various photochemically active gases in Venus' upper atmosphere. Attention is directed to the chemistry and vertical transport of odd hydrogen (H, OH, HO2, H2O2), odd oxygen (O, O3), free chlorine (Cl, ClO, ClOO, Cl2), C2O, O2, H2 and H2O. Supply of O2 may play a limiting role in the formation of a possible H2SO4 cloud on Venus. The abundances of thermospheric O and CO are determined largely by vertical mixing, and an analysis of Mariner 10 measurements of Venus' Lyman alpha airglow suggests that the eddy coefficient in the lower thermosphere may be as large as 50 million sq cm/sec. The corresponding values for the mixing ratios of O and CO at the ionospheric peak are approximately 1 per cent.-

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