A general circulation model study of the dynamics of the upper ocean circulation of the South China Sea
Yang, HJ; Liu, QY; Liu, ZY; Wang, DX; Liu, XB
2002
发表期刊JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
ISSN0148-0227
卷号107期号:C7页码:-3085
摘要[1] The temporal-spatial structure and the formation mechanisms of the South China Sea (SCS) circulation are studied using the Princeton Ocean Model (POM). The model well reproduces the observed sea surface height (SSH) annual cycle and some current system such as the SCS Western Boundary Current (SCSWBC) system and the Kuroshio Loop Current (KLC). Four sensitivity experiments are carried out to reveal the dynamic mechanisms of the SCS circulation. The results show that most of the seasonal variability of the SCS is controlled predominantly by wind forcing. The Kuroshio affects the mean SSH significantly but contribute little to the variability. The SCSWBC system consists of the SCS Warm Current (SCSWC) and the Vietnam Coastal Current (VCC). In winter the SCSWBC splits into two branches separated at similar to14degrees-18degreesN. The northern branch is the SCSWC flowing northward and the southern branch is the VCC flowing southward. In summer, however, the SCSWBC flows unidirectionally northward from the Karimata Strait to the Taiwan Strait. The temporal variation of the SCSWBC, especially the VCC, is determined by the wind forcing over the interior SCS. Buoyancy forcing can strengthen (weaken) the summer (winter) SCSWBC. The KLC is crucial to the SCS circulation north of 18degreesN. It ultimately determines the appearance of the SCSWC in winter.
部门归属Univ Wisconsin, Dept Atmospher & Ocean Sci, Madison, WI 53706 USA; Ocean Univ Qingdao, Phys Oceanog Lab, Qingdao 266003, Peoples R China; Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou, Peoples R China
关键词South China Sea Circulation South China Sea Western Boundary Current South China Sea Warm Current Vietnam Coastal Current Kuroshio Loop Current
学科领域Oceanography
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收录类别sci
资助项目LED
WOS记录号WOS:000178994700001
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被引频次:42[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/5503
专题热带海洋环境国家重点实验室(LTO)
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Yang, HJ,Liu, QY,Liu, ZY,et al. A general circulation model study of the dynamics of the upper ocean circulation of the South China Sea[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2002,107(C7):-3085.
APA Yang, HJ,Liu, QY,Liu, ZY,Wang, DX,&Liu, XB.(2002).A general circulation model study of the dynamics of the upper ocean circulation of the South China Sea.JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,107(C7),-3085.
MLA Yang, HJ,et al."A general circulation model study of the dynamics of the upper ocean circulation of the South China Sea".JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 107.C7(2002):-3085.
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