Abstract Corrected thermal net radiation measurements from the four Pioneer Venus entry probes at latitudes of 60°N, 31°S, 27°S, and 4°N are presented. Three main conclusions can be drawn from comparisons of the corrected fluxes with radiative transfer calculations: (1) sounder probe net fluxes are consistent with the number density of large cloud particles (mode 3) measured on the same probe, but the IR measurements as a whole are most consistent with a significantly reduced mode 3 contribution to the cloud opacity; (2) at all probe sites, the fluxes imply that the upper cloud contains a yet undetected source of IR opacity; and (3) beneath the clouds the fluxes at a given altitude increase with latitude, suggesting greater IR cooling below the clouds at high latitudes and water vapor mixing ratios of about 2–5×10−5 near 60°, 2–5×10−4 near 30°, and >5×10−4 near the equator.


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    Titel :

    Thermal net flux measurements on the pioneer Venus entry probes


    Beteiligte:
    Revercomb, H.E (Autor:in) / Sromovsky, L.A (Autor:in) / Suomi, V.E (Autor:in) / Boese, R.W (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1985-01-01


    Format / Umfang :

    4 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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