Seasonal structures of upper layer circulation in the southern South China Sea from in situ observations

doi:10.1029/2002JC001343

IOCAS-IR > 海洋环流与波动重点实验室

	Seasonal structures of upper layer circulation in the southern South China Sea from in situ observations
	Fang, WD ; Fang, GH ; Shi, P ; Huang, QZ ; Xie, Q
	2002-11-01
发表期刊	JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
卷号	107 期号:C11
文章类型	Article
摘要	[1] Conductivity-temperature-depth and acoustic Doppler current profiler data from six cruises spanning 1989 to 1999 are used to investigate the seasonal structure of the upper layer circulation in the southern South China Sea (SCS). The surveys were made during winter, late spring, summer, and late fall. More detailed structures not presented in previous studies are found. In summer the upper layer circulation of the southern SCS is dominated by an anticyclonic gyre with a strong eastward flow on its northern border, which originates off the southeast coast of Vietnam: the Summer Southeast Vietnam Offshore Current. In winter a stronger cyclonic gyre exists in the western portion of the southern SCS and a weaker anticyclonic circulation in the eastern portion. At the juncture of these two gyres, there is a strong northward upwind flow, called the Winter Natuna Off-Shelf Current. In late spring the anticyclonic gyre begins to form in the northwest, and a trace of the Natuna Off-Shelf Current can still be observed, especially subsurface in the southern part of the study area. Mesoscale eddies are active in this period. In late fall the winter-type pattern begins to appear. The Natuna Off-Shelf Current and the cyclonic gyre in the northwest part of the southern SCS emerge, and the summer anticyclonic gyre vanishes. In the southeast the currents are basically toward the northeast with an anticyclonic trend, revealing a multi-eddy feature. These upper ocean currents appear consistent with the wind forcing.
关键词	South China Sea Upper Ocean Circulation In Situ Observations Seasonal Variations Eddy And Mesoscale Structure
DOI	10.1029/2002JC001343
收录类别	SCI
语种	英语
WOS记录号	WOS:000180570400023
引用统计	被引频次：134[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/32989
专题	海洋环流与波动重点实验室
作者单位	1.Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Trop Marine Environm Dynam, Guangzhou 510301, Peoples R China 2.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
推荐引用方式 GB/T 7714	Fang, WD,Fang, GH,Shi, P,et al. Seasonal structures of upper layer circulation in the southern South China Sea from in situ observations[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2002,107(C11).
APA	Fang, WD,Fang, GH,Shi, P,Huang, QZ,&Xie, Q.(2002).Seasonal structures of upper layer circulation in the southern South China Sea from in situ observations.JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,107(C11).
MLA	Fang, WD,et al."Seasonal structures of upper layer circulation in the southern South China Sea from in situ observations".JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 107.C11(2002).

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