| THREE-DIMENSIONAL BAROCLINIC NUMERICAL SIMULATION OF THE SOUTH CHINA SEA CIRCULATION＇S SEASONAL CHARACTERISTICS II. MIDDLE AND DEEP CIRCULATION |
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| 引用本文： | 蔡树群,甘子钧,苏纪兰,刘秦玉.THREE-DIMENSIONAL BAROCLINIC NUMERICAL SIMULATION OF THE SOUTH CHINA SEA CIRCULATION＇S SEASONAL CHARACTERISTICS II. MIDDLE AND DEEP CIRCULATION[J].中国海洋与湖沼学报,2002,20(1):9-15. |
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| 作者姓名： | 蔡树群 甘子钧 苏纪兰 刘秦玉 |
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| 作者单位： | [1]SouthChinaSeaInstituteofOceanology,ChineseAcademyofSciences,Guangzhou510301,China [2]TheSecondInstituteofOceanography,SOA,Hastgzhou310012,China [3]OceanUniversityofQingdao,Qingdao266003,China |
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| 基金项目： | 496 36 2 30supportedbyNSFCandGrantKZ95 1 B1 4 08fromChineseAcademyofSciences，andwasalsosupportedby
theMajorStateBasicResearchProgram (No .G1 9990 4 380 6 ) |
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| 摘 要： | A three-dimensional baroclinic shelf sea model‘ s numerical simulation of the South China Sea (SCS) middle and deep layer circulation structure showed that: 1. In the SCS middle and deep layer, a seulhward boundary current exists along the east shore of the Indo-China Peninsula all year long.A cyclonic eddy (gyre) is formed by the current in the above sea areas except in the middle layer in spring, when an anticyclonic eddy exists on the eastern side of the current. In the deep layer, a larges-cale anticyclonic eddy often exists in the sea areas between the Zhongsha Islands and west shore of southern Luzon Island. 2. In the middle layer in snmmer and autumn, and in the deep layer in autumn and winter, there is an anticyclonic eddy (gyre) in the northeastern SCS, while in the middle layer in winter and spring, and in the deep layer in spring and snmmer, there is a cyclonic one. 3. In the middle layer,there is a weak northeastward current in the Nansha Trough in spring and snmmer, while in autumn and winter it evolves inl~ an anticyclonic eddy ( gyre), which then spreads westward l~ the whole western Nansha Islands sea areas.
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| 关 键 词： | 三维数字模拟 季节性 循环 南海 气流 气旋 |
| 收稿时间： | 23 November 1999 |
| 修稿时间： | 11 July 2000 |
Three-dimensional baroclinic numerical simulation of the South China sea circulation's seasonal characteristics II. Middle and deep circulation |
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| Cai Shu-qun,Gan Zi-jun,Su Ji-lan,Liu Qin-yu.Three-dimensional baroclinic numerical simulation of the South China sea circulation's seasonal characteristics II. Middle and deep circulation[J].Chinese Journal of Oceanology and Limnology,2002,20(1):9-15. |
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| Authors: | Cai Shu-qun Gan Zi-jun Su Ji-lan Liu Qin-yu |
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| Institution: | (1) South China Sea Institute of Oceanology, Chinese Academy of Sciences, 510301 Guangzhou, China;(2) The Second Institute of Oceanography, SOA, 310012 Hangzhou, China;(3) Ocean University of Qingdao, 266003 Qingdao, China |
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| Abstract: | A three-dimensional baroclinic shelf sea model's numerical simulation of the South China Sea (SCS) middle and deep layer circulation structure showed that: 1. In the SCS middle and deep layer, a southward boundary current exists along the east shore of the Indo-China Peninsula all year long. A cyclonic eddy (gyre) is formed by the current in the above sea areas except in the middle layer in spring, when an anticyclonic eddy exists on the eastern side of the current. In the deep layer, a large-scale anticyclonic eddy often exists in the sea areas between the Zhongsha Islands and west shore of southern Luzon Island. 2. In the middle layer in summer and autumn, and in the deep layer in autumn and winter, there is an anticyclonic eddy (gyre) in the northeastern SCS, while in the middle layer in winter and spring, and in the deep layer in spring and summer, there is a cyclonic one. 3. In the middle layer, there is a weak northeastward current in the Nansha Trough in spring and summer, while in autumn and winter it evolves into an anticyclonic eddy (gyre), which then spreads westward to the whole western Nansha Islands sea areas. |
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| Keywords: | numerical simulation model South China Sea circulation eddy monsoon |
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