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A fast parameterization scheme named SUNFLUX is first used in this paper to estimate instantaneous surface solar radiation (SSR) based on products from the Moderate Resolution Imaging Spectroradiometer (MODIS) sensor onboard both Terra and Aqua platforms. The scheme mainly takes into account the absorption and scattering processes due to clouds, aerosols, and gas in the atmosphere. The estimated instantaneous...
Surface roughness has significate impacts on the land surface microwave emission and is an important process that should be considered in the development of soil moisture retrieval algorithm. The surface roughness can be descripted by two parameters: rms height (h) and correlation length (l), with a distribution function either in Gaussian or exponential form. These two parameters can be observed...
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