Abstract The equation of radiative transfer is solved for the complete Stokes' vector in order to study the polarization of solar radiation on top of a turbid atmosphere. The surface characteristics (bidirectional anisotropy and polarization properties of randomly oriented water surface elements) are contained in the lower boundary condition of the integro-differential equation. Results of surface model calculations are compared with polarimeter measurements of a natural scenario. On top of the atmosphere the degree of polarization is found to depend generally on the turbidity of the atmosphere. The degree of polarization reaches its maximum in the vicinity of the angle of specular reflection on the water surface, if the sun's zenith distance is about the Brewster's angle. According to the model calculations observation angles can be found where the degree of polarization does not depend on the surface roughness. Apparently these angles have to be preferred for determination of the atmospheric turbidity.


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    Titel :

    On the influence of rough water surfaces on polarimetric investigations of aerosols from space


    Beteiligte:
    Prosch, T. (Autor:in) / Hennings, D. (Autor:in) / Raschke, E. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1983-01-01


    Format / Umfang :

    6 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch