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《Journal of Tropical Meteorology》 2004-01
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A NUMERICAL DIAGNOSIS ON THE EVOLUTION OF SUMMER MONSOON MERIDIONAL CIRCULATION OVER SOUTH CHINA SEA IN 1984

QIN Hui-ling1,2,JIAN Mao-qiu1,YUAN Zhuo-jian1,2, WANG Dong-xiao3 (1. Zhongshan University, Guangzhou 510275, China; 2. LASG, The Institute of Atmospheric Physics, Beijing 100080, China; 3. South China Sea Institute of Oceanology, Guangzhou 510301, China)  
Most of 68 simulated local meridional circulations (twice a day from 00 UTC April 28 to 12 UTC May 31,1984) agree very well with the 搊bserved?circulations over the South China Sea. These results show that the establishment of 1984 summer monsoon was a slow process with reversed circulation during May 4 to May 6. The forced anti-Hadley circulations at 00 UTC April 28 and 00 UTC May 17 (representing respectively the onset times accepted by different research groups) were mainly associated with latent heat releasing. The second and third important factors are associated with adiabatic processes and zonal temperature advection.
【Fund】: 国家自然科学基金40175018项目;; 国家自然科学基金49875021项目资助
【CateGory Index】: P425.42
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