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《Journal of Nanjing Institute of Meteorology》 2002-01
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Adjoint Assimilation System of Mesoscale Models and Its Assimilation Experiments

LI Xiao-li, SHEN Tong-li, SUN Lin-ping(Department of Atmospheric Sciences ,NIM,Nanjing 210044; Department of Mathematics, Nanjing University, Nanjing 210093, China  
Based on adjoint code technique, the adjoint assimilation system of MM4 model is developed, and the assimilation experiments of conventional and non-conventional data are carried out. The results indicate that the adding of conventional and non-conventional observations into adjoint model system can improve the quality of initial field,thereof improve the result of forecasting.