Interferometric Investigations of The Atmosphere of Venus | Zendy

Muhleman Duane O. | Zendy

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Interferometric Investigations of The Atmosphere of Venus

Author(s) -

Muhleman Duane O.

Publication year - 1970

Publication title -

radio science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.371

H-Index - 84

eISSN - 1944-799X

pISSN - 0048-6604

DOI - 10.1029/rs005i002p00355

Subject(s) - venus , atmosphere of venus , opacity , atmosphere (unit) , interferometry , brightness , astrobiology , brightness temperature , atmospheric models , physics , atmospheric sciences , wavelength , atmospheric temperature , environmental science , optics , meteorology

The determination of the opacity law as a function of wavelength for the Venus atmosphere is discussed. Interferometric and integrated brightness temperature observations are compared to model calculations for atmospheres of CO 2 , N 2 , and H 2 O which are consistent with the radar opacity law. If the atmosphere of Venus is essentially pure CO 2 , a surface pressure of 78 atm with a surface temperature of 725°K is obtained. The total CO 2 in the atmosphere of Venus is estimated to be 4×10 23 grams, which is in fair agreement with the amount of CO 2 that has escaped from the interior of the earth since its formation.

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