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Data assimilation is important to the improvement of numerical weather prediction (NWP). Recently, much progress has been made in the direct assimilation of satellite radiance in NWP. In order to use radiance from the infrared channels of the visible and infrared radiometer (VIRR) on FY-3A, biases between the observed radiances and those simulated from model must be corrected. Using the radiosonde...
It is important for the improvement of numerical weather forecast accuracy to reseach the simulation error of rapid radiative transfer model. Using the radiosonde data as the input of rapid radiant transfer model CRTM, the simulation error of infrared channels observation of VIRR on FY-3A is analyzed. The distribution of model biases in radiance of three infrared channels are approximate normal ditribution,...
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