Three-dimensional numerical simulation of South China Sea circulation in winter and summer

Cai Shuqun; Wang Wenzhi

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Cai Shuqun, Wang Wenzhi. Three-dimensional numerical simulation of South China Sea circulation in winter and summer[J]. Haiyang Xuebao, 1999, 21(2): 27-33.

Citation:

Cai Shuqun, Wang Wenzhi. Three-dimensional numerical simulation of South China Sea circulation in winter and summer[J]. Haiyang Xuebao, 1999, 21(2): 27-33.

Cai Shuqun, Wang Wenzhi. Three-dimensional numerical simulation of South China Sea circulation in winter and summer[J]. Haiyang Xuebao, 1999, 21(2): 27-33.

Citation:

Cai Shuqun, Wang Wenzhi. Three-dimensional numerical simulation of South China Sea circulation in winter and summer[J]. Haiyang Xuebao, 1999, 21(2): 27-33.

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Three-dimensional numerical simulation of South China Sea circulation in winter and summer

South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301

Received Date: 1997-09-30
Rev Recd Date: 1998-04-05

Abstract

Abstract

A baroclinic three-dimensional shelf sea model-HAMSOM model is employed to simulate the South China Sea (SCS) circulation in December and August.The result is that: for the upper layer circulation, in December, there exists a cyclonic circulation between Xisha Islands and Zhongsha Islands sea zones, a southward western boundary current along the east shore of middle Vietnam and a local anticyclonic eddy in out-lying sea of Jinlan Bay, in the southern SCS, it is mainly shown that there is a large cyclonic meander (cyclonic eddy) in Wanantan and an anticyclonic eddy in the north of Beikangansha.In August, there is a large-scale cyclonic eddy among Dongsha Islands,Zhongsha Islands and western sea areas of Luzon Island,in the western SCS.it is mainly shown that there is a cyclonic eddy in the south of Xisha Islands against an anticyclonic circulation between Jinlan Bay and Liyuetan, in the meanwhile a cyclonic eddy in the east of Wanantan.Due to the actions of baroclinic effect and bottom topsgraphic effect, the current fields of middle layer to southern SCS in winter and summer are almost opposite to those of the surface layer.
- Numerical simulation,
- South China Sea circulation,
- eddy,
- meander

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References(18)

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