3-D baroclinic numerical simulation of the South China Sea I. Upper circulation

Cai Shu-qun; Gan Zi-jun; Su Ji-lan; Liu Qin-yu

doi:10.1007/BF02850656

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3-D baroclinic numerical simulation of the South China Sea I. Upper circulation

OriginalPaper | Updated：2023-05-16

- 3-D baroclinic numerical simulation of the South China Sea I. Upper circulation
- 3-D baroclinic numerical simulation of the South China Sea I. Upper circulation
- 海洋湖沼学报（英文） 2001年19卷第3期页码：208-216
- Affiliations：
  
  1. South China Sea Institute of Oceanology Chinese Academy of Sciences
  2. The Second Institute of SOA
  3. Qingdao Ocean University
- Author bio：
- Funds：
  
  Project 49636230 supported by NSFC and supported by Chinese Academy of Sciences (Grant KZ951-B1-408);also supported by the major state basic research program (No. G1999043806).
- DOI：10.1007/BF02850656
  中图分类号：
- 纸质出版：2001
- Accepted：
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3-D baroclinic numerical simulation of the South China Sea I. Upper circulation[J]. 海洋湖沼学报（英文）, 2001,19(3):208-216.

Shu-qun, C., Zi-jun, G., Ji-lan, S. et al. 3-D baroclinic numerical simulation of the South China Sea I. Upper circulation., Chin. J. Ocean. Limnol. 19, 208–216 (2001). https://doi.org/10.1007/BF02850656
3-D baroclinic numerical simulation of the South China Sea I. Upper circulation[J]. 海洋湖沼学报（英文）, 2001,19(3):208-216. DOI： 10.1007/BF02850656.

Shu-qun, C., Zi-jun, G., Ji-lan, S. et al. 3-D baroclinic numerical simulation of the South China Sea I. Upper circulation., Chin. J. Ocean. Limnol. 19, 208–216 (2001). https://doi.org/10.1007/BF02850656 DOI：

摘要

Abstract

A three-dimensional baroclinic shelf sea model was employed to simulate the seasonal characteristics of the South China Sea (SCS) upper circulation. The results showed that: in summer

an anticyclonic eddy

after its formation between the Bashi Channel and Dongsha Islands in the northeastern SCS

moves southwestward until it disperses slowly. There exists a northward western boundary current along the east shore of the Indo-China Peninsula in the western SCS and an anticyclonic gyre in the southern SCS. But at the end of summer and beginning of autumn

a weak local cyclonic eddy forms in the Nansha Trough

then grows slowly and moves westward till it becomes a cyclonic gyre in the southern SCS in autumn. At the beginning of winter

there exists a cyclonic gyre in the northern and southern SCS

and there is a southward western boundary current along the east shore of the Indo-China Peninsula. But at the end of winter

an anticyclonic eddy grows and moves toward the western boundary after forming in the Nansha Trough. The eddy's movement induces a new opposite sign eddy on its eastern side

while the strength of the southward western boundary current gets weakened. This phenomenon continues till spring and causes eddies in the southern SCS.

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references

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