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The Community Microwave Emission Modelling Platform (CMEM) has been developed by the European Centre for Medium-Range Weather Forecasts (ECMWF) as the forward operator for low frequency passive microwave brightness temperatures from 1GHz to 20 GHz of the surface. Up to date CMEM documentation is provided in de Rosnay et al 2019.
It is a new highly modular code providing I/O interfaces for the Numerical Weather Prediction Community. CMEM's physics is based on a range of State-Of-The-Art parametrisations, including those used in the L-Band Microwave Emission of the Biosphere (LMEB, Wigneron et al., 2007) and Land Surface Microwave Emission Model (LSMEM, Drusch et al., 2007). So, CMEM modularity allows considering different parametrisations of the soil dielectric constant as well as different soil approaches (either coherent of incoherent), different effective temperature, roughness, vegetation and atmospheric contribution opacity models.
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