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J. A. Ewing and R. T. Pinker

Abstract

Experiments were performed to examine the sensitivity of computed solar fluxes using a delta-Eddington model to recent parameterizations of cloud albedo of single scattering and asymmetry factor, In particular, the changes in the surface downward solar flux, the planetary albedo and the atmospheric shortwave absorption were investigated as a function of two parameterizations of cloud NIR albedo of single scattering and cloud asymmetry factor. It was shown that the computed downward solar fluxes could differ by as much as 37 W m−2 due to changes in cloud parameterization alone.

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