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《Chinese Journal of Atmospheric Sciences》 2003-05
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Seasonal and Interannual Variation Simulation of the Regional Climate of East Asia by a Nine-Level P-σ Regional Climate Model

Wang Shiyu 1) , and Qian Yongfu 2) 1)(State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics,Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029) 2)(Department of Atmospheric Sciences, Nanjing University, Nanjing 210093)  
The seasonal and interannual variation of the regional climate of East Asia have been successfully simulated by a nine\|level P\|σ regional climate model in this paper. The results show that the seasonal variation of the South Asia High has a close relationship with the onset of Asian summer monsoon. The seasonal variation of the precipitation has been simulated fairly, but not good in the summer, while the simulation of precipitation has been improved using the observed nesting field. The observed SST has a great effect on the simulation, the simulated South Asia High has become strong, while the simulation of the West Pacific subtropical high (WPSH) has a good relationship with the SST of the West Pacific Ocean warm pool. During the El Nio year, comparing with the simulation using the monthly averaged SST, the WPSH become more strong or more weak, it has an uncertain relationship with the variation of the SST in the warm pool.
【Fund】: 国家自然科学基金资助项目 4973 5 1 70
【CateGory Index】: P462.4
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