The REM Adjoint System and Its 4DVar Data Assimilation Experiments |
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| Authors: | WANG Tie MU Mu LASG |
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| Affiliation: | WANG Tie~(1,2 ) and MU Mu~1 1 LASG,Institute of Atmospheric Physics,Chinese Academy of Sciences,Beijing 100029 2 Institute of Meteorology,PLA University of Science and Technology,Nanjing 211101 |
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| Abstract: | The Regional Eta-coordinate Model(REM) has performed well in forecasting heavy rainfalls in China in recent years.A four-dimensional variational assimilation system(4DVar) is developed to improve the forecast skill of the REM.The tangent linear model and adjoint model codes are written according to thecode to coderule,and the establishment of the REM adjoint modeling system is introduced in detail in this paper.The tangent linear and adjoint models of the REM are validated against the observational data,and... |
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| Keywords: | REM model adjoint system 4DVar data assimilation |
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