A new approach to evaluation of the effect of the two half-Lambert surfaces composed of different albedoes on the emergent radiation at the top of the atmosphere

Details A new approach to evaluation of the effect of the two half-Lambert surfaces composed of different albedoes on the emergent radiation at the top of the atmosphere A new approach to evaluation of the effect of the two half-Lambert surfaces composed of different albedoes on the emergent radiation at the top of the atmosphere

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992ap%26ss.196...45t&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 196, no. 1, p. 45-55.

Astronomy and Astrophysics

Astrophysics

3

Aerosols, Atmospheric Radiation, Atmospheric Scattering, Lambert Surface, Approximation, Numerical Integration, Radiative Transfer

Scientific paper

Upwelling radiation from a model atmosphere bounded by two half-Lambert surfaces composed of different albedoes is assessed by means of a numerical method. The model atmosphere is homogeneous and comprises absorbent gases, water-soluble aerosols, and molecules, and the technique involves no more than two radiative interactions between the atmosphere and two half-Lambert surfaces. The probability of radiation interacting with the respective half surfaces is determined based on the assumption of single-scattering in the atmosphere. The results are compared to those from the doubling method showing that the deviation is significantly reduced with the present technique. The method is therefore valuable for applications to remote-sensing investigations of the radiative properties of nonuniform terrain.

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