Modeling the greenhouse effect in the atmosphere of Venus

Details Modeling the greenhouse effect in the atmosphere of Venus Modeling the greenhouse effect in the atmosphere of Venus

Jul 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991geokh.....1014s&link_type=abstract

Geokhimiia (ISSN 0016-7525), July 1991, p. 1014-1027. In Russian.

Other

Atmospheric Models, Greenhouse Effect, Planetary Meteorology, Venus Atmosphere, Venus Surface, Atmospheric Radiation, Carbon Dioxide, Nitrogen, Surface Temperature

Scientific paper

Several models were developed for the greenhouse effect of the Venusian gas envelope (consisting of CO2, N2, and H2O vapor) and were used to determine the ensuing changes in the Venusian surface temperature. Calculations carried out assuming equal contents of water on the earth and Venus showed surface temperatures exceeding the melting point of rocks; in this case, oxygen formed during the photolysis of the water vapor and during hydrogen escape must be consumed for the oxidation of surface matter. On the other hand, calculations based on the hypothesis of initial H2O depletion in the Venus matter showed that the maximal surface temperature should not exceed 1000 K. It is concluded that, in any of these cases, the tectonic regime on Venus had to be essentially different from that on the earth.

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