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The effect of surface heterogeneity on cloud absorption estimates

By J. Christine Chiu, A. Marshak and W. Wiscombe


This study presents a systematic and quantitative analysis of the effect of inhomogeneous surface albedo on shortwave cloud absorption estimates. We used 3D radiative transfer modeling over a checkerboard surface albedo to calculate cloud absorption. We have found that accounting for surface heterogeneity enhances cloud absorption. However, the enhancement is not sufficient to explain the reported difference between measured and modeled cloud absorption

Publisher: American Geophysical Union
Year: 2004
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