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N-stream approximations to radiative transfer
Journal article   Open access   Peer reviewed

N-stream approximations to radiative transfer

Charles Acquista, Frederick House and James Jafolla
Journal of the atmospheric sciences, v 38(7), pp 1446-1451
01 Jan 1981
url
https://doi.org/10.1175/1520-0469(1981)038<1446:satrt>2.0.co;2View
Published, Version of Record (VoR)Open Access (License Unspecified) Open

Abstract

Schuster's two-stream approximation is first derived from Chandrasekhar's radiative transfer equation and is then generalized to an arbitrary number of streams. The resulting technique for solving the transfer equation which is similar to the discrete ordinate and spherical harmonic methods, is found to be especially useful for modelling atmospheres with complicated phase functions and moderate optical depths. To illustrate the method, a four-stream approximation is evaluated for a Henyey-Greenstein phase function with an asymmetry factor of g = 0.5.

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Meteorology & Atmospheric Sciences
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