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CAI Shuqun,SU Jilan,LONG Xiaomin,WANG Shengan,HUANG Qizhou. 2005. Numerical study on the summer circulation of the upper South China Sea and its establishment. Acta Oceanologica Sinica, (1):31-38
Numerical study on the summer circulation of the upper South China Sea and its establishment
Numerical study on the summer circulation of the upper South China Sea and its establishment
Received:May 11, 2004  Revised:November 20, 2004
DOI:
Key words:numerical modeling  circulation  monsoon  eddy  South China Sea
中文关键词:  numerical modeling  circulation  monsoon  eddy  South China Sea
基金项目:
Author NameAffiliationE-mail
CAI Shuqun LED, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China caisq@scsio.ac.cn 
SU Jilan LOPSO, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China  
LONG Xiaomin LED, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China  
WANG Shengan LED, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China  
HUANG Qizhou LED, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China  
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Abstract:
      A coupled single-layer/two-layer model is employed to study the South China Sea (SCS) upper circulation and its response before and after the onset of summer monsoon.It is found that,in summer,due to the β effect and the first baroclinic mode of the wind-driven current,a northward western boundary jet current is formed along the Indo-China Peninsula coast,and it leaves the coast at about 13° N and diffuses towards northeast; next to the Indo-China Peninsula,a large anticyclonic gyre in the southern SCS and a cyclonic eddy to the north of this gyre are induced.There are two possible mechanisms for the generation of this anticyclonic gyre:first,it is induced by the summer wind stress curl; second,it is associated with the westward moving of two anticyclonic eddies,which are originally generated to the west of Palawan Island and over the Nansha Trough respectively,in winter.The cyclonic eddy north of this anticyclonic gyre may be induced by the summer wind stess curl or related to the southwestward moving of the cyclonic eddy/gyre induced by the Kuroshio branch in the northern SCS.
中文摘要:
      A coupled single-layer/two-layer model is employed to study the South China Sea (SCS) upper circulation and its response before and after the onset of summer monsoon.It is found that,in summer,due to the β effect and the first baroclinic mode of the wind-driven current,a northward western boundary jet current is formed along the Indo-China Peninsula coast,and it leaves the coast at about 13° N and diffuses towards northeast; next to the Indo-China Peninsula,a large anticyclonic gyre in the southern SCS and a cyclonic eddy to the north of this gyre are induced.There are two possible mechanisms for the generation of this anticyclonic gyre:first,it is induced by the summer wind stress curl; second,it is associated with the westward moving of two anticyclonic eddies,which are originally generated to the west of Palawan Island and over the Nansha Trough respectively,in winter.The cyclonic eddy north of this anticyclonic gyre may be induced by the summer wind stess curl or related to the southwestward moving of the cyclonic eddy/gyre induced by the Kuroshio branch in the northern SCS.
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