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    Calculations of the Radiative and Dynamical State of the Venus Atmosphere

    Source: Journal of the Atmospheric Sciences:;1975:;Volume( 032 ):;issue: 006::page 1025
    Author:
    Pollack, James B.
    ,
    Young, Richard
    DOI: 10.1175/1520-0469(1975)032<1025:COTRAD>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: Modelling the atmosphere in accord with recent spacecraft and ground-based observations, we have carried out accurate, multiple scattering calculations to determine the solar energy deposition profile in the atmosphere of Venus. We find 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 we have computed vertical temperature profiles under conditions of pure radiative equilibrium and radiative-convective equilibrium. Since the latter results satisfactorily match the temperature structure determined from various spacecraft observations, we infer that the greenhouse effect can account for the high surface temperature. Aerosols make an important contribution to the infrared opacity in these calculations. Finally, we discuss preliminary three-dimensional calculations of the general circulation of the atmosphere that incorporate the results of the radiative calculations.
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      Calculations of the Radiative and Dynamical State of the Venus Atmosphere

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    contributor authorPollack, James B.
    contributor authorYoung, Richard
    date accessioned2017-06-09T14:18:11Z
    date available2017-06-09T14:18:11Z
    date copyright1975/06/01
    date issued1975
    identifier issn0022-4928
    identifier otherams-16830.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4152657
    description abstractModelling the atmosphere in accord with recent spacecraft and ground-based observations, we have carried out accurate, multiple scattering calculations to determine the solar energy deposition profile in the atmosphere of Venus. We find 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 we have computed vertical temperature profiles under conditions of pure radiative equilibrium and radiative-convective equilibrium. Since the latter results satisfactorily match the temperature structure determined from various spacecraft observations, we infer that the greenhouse effect can account for the high surface temperature. Aerosols make an important contribution to the infrared opacity in these calculations. Finally, we discuss preliminary three-dimensional calculations of the general circulation of the atmosphere that incorporate the results of the radiative calculations.
    publisherAmerican Meteorological Society
    titleCalculations of the Radiative and Dynamical State of the Venus Atmosphere
    typeJournal Paper
    journal volume32
    journal issue6
    journal titleJournal of the Atmospheric Sciences
    identifier doi10.1175/1520-0469(1975)032<1025:COTRAD>2.0.CO;2
    journal fristpage1025
    journal lastpage1037
    treeJournal of the Atmospheric Sciences:;1975:;Volume( 032 ):;issue: 006
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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