JCSDA Community Radiative Transfer Model ( CRTM )

The US Joint Center for Satellite Data Assimilation (JCSDA) has developed its beta version of community radiative transfer model (CRTM). The CRTM is being implemented in the NCEP data assimilation system and is expected to produce significant impacts on utilization of current and future satellite instruments due to its flexible interface, advanced radiative transfer physical processes and efficiency and effectiveness of numerical computational schemes. The advanced physics in the CRTM includes Optimal Spectrum Sampling (OSS), land microwave emissivity, discrete ordinate method and successive order of interaction scheme for scattering and emitting atmospheres, to name a few.

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