Radiation transfer through broken clouds is discussed. The system of equations was derived and solved for the case of longwave radiation of mod-erate intensity, taking into account scattering effects. The influence of scattering effects on the brightness temperature of the cloud field-ground system was investigated. li is shown in this paper that at optical depth of clouds more than 15 to 20 and viewing angles below 60° to 70° one can neglect light scattering by clouds and consider the clouds as black emitters.
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