A Cloud Parameters Retrieval Algorithm in the Variational Assimilation System

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Provided by: Atlantis Press
Topic: Cloud
Format: PDF
According to the past experience of retrieving cloud parameters, the assimilation of cloud-affected infrared radiances is a difficult problem in the numerical weather prediction. Based on the authors' own Four-Dimensional variational assimilation (4D-Var) system's characteristics, they have designed their own cloud-affected infrared satellite radiances variational assimilation system which includes a One-Dimensional variational assimilation (1D-Var) retrieval algorithm of cloud parameters. In this system, cloud parameters are considered as the intermediary to constrain the radiative transfer calculation after they are passed to their 4DVar system.
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