Calculations of the radiative and dynamical state of the Venus atmosphere

Details Calculations of the radiative and dynamical state of the Venus atmosphere Calculations of the radiative and dynamical state of the Venus atmosphere

Jun 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975jats...32.1025p&link_type=abstract

(NASA, State University of New York, AAS, and AGU, Conference on the Atmosphere of Venus, NASA Goddard Institute for Space Studi

Computer Science

Numerical Analysis

12

Astronomical Models, Atmospheric Circulation, Radiative Heat Transfer, Solar Heating, Venus Atmosphere, Cloud Cover, Greenhouse Effect, Infrared Radiation, Numerical Analysis, Thermal Absorption, Venus Clouds

Scientific paper

Results are reported for accurate multiple-scattering calculations to determine the solar-energy deposition profile in the atmosphere of Venus. It is found that most of the absorbed energy is deposited in the main cloud-layer region, located at altitudes above 35 km, and that the ground receives approximately 3% of the energy absorbed in toto by Venus. Using these results, vertical temperature profiles are computed under conditions of pure radiative equilibrium and radiative-convective equilibrium. Since the latter results satisfactorily match the temperature structure determined from various spacecraft observations, it is inferred that the greenhouse effect can account for the high surface temperature. Aerosols make an important contribution to the infrared opacity in these calculations. Preliminary three-dimensional calculations of the general circulation of the atmosphere are discussed which incorporate the results of the radiative calculations.

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