| A three-dimensional numerical calculation of the wind-driven thermohaline and tide-induced Lagrangian residual current in the Bohai Sea |
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| 作者姓名： | Wang Hui Su Zhiqing Feng Shizuo Sun Wenxin |
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| 作者单位： | Ocean University of Qingdao, Qingdao 266003, China;Ocean University of Qingdao, Qingdao 266003, China;Ocean University of Qingdao, Qingdao 266003, China;Ocean University of Qingdao, Qingdao 266003, China |
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| 基金项目： | Project supported by the National Natural Science Foundation of China |
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| 摘 要： | On the basis of a three-dimensional weakly nonliear theory of Lagrangian residual current in the Baroclinic shallow seas, a diagnostic numerical calculation of wind-driven, thermohaline and tide-induced Lagrangian residual current in the Bohai Sea is made. The model involves the Richardson number in the eddy viscosity coefficient, wind, thcrmolialine and tidal effects in the focing terms. The runoff of the Huanghe River and a part of the Huanghai Warm Water coming from the Huanghai Sea through the Bohai Sea Strait is also considered. The velocity-splitting method is adopted. The wind-driven circu lation, thermohaline circulation and the tide-induced Lagrangian residual circulation are also obtained individually and analysed. The dynamics of the three main eddies in the Lagrangian mean circulation is discussed. Finally, the numerical result is partly verified with the observed data.
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| 收稿时间： | 1991/10/15 0:00:00 |
| 修稿时间： | 1992/4/13 0:00:00 |
A three-dimensional numerical calculation of the wind-driven thermohaline and tide-induced Lagrangian residual current in the Bohai Sea |
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| Wang Hui,Su Zhiqing,Feng Shizuo,Sun Wenxin.A three-dimensional numerical calculation of the wind-driven thermohaline and tide-induced Lagrangian residual current in the Bohai Sea[J].Acta Oceanologica Sinica,1993,12(2):169-182. |
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| Authors: | Wang Hui Su Zhiqing Feng Shizuo and Sun Wenxin |
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| Institution: | Ocean University of Qingdao, Qingdao 266003, China |
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| Abstract: | On the basis of a three-dimensional weakly nonliear theory of Lagrangian residual current in the Baroclinic shallow seas, a diagnostic numerical calculation of wind-driven, thermohaline and tide-induced Lagrangian residual current in the Bohai Sea is made. The model involves the Richardson number in the eddy viscosity coefficient, wind, thcrmolialine and tidal effects in the focing terms. The runoff of the Huanghe River and a part of the Huanghai Warm Water coming from the Huanghai Sea through the Bohai Sea Strait is also considered. The velocity-splitting method is adopted. The wind-driven circu lation, thermohaline circulation and the tide-induced Lagrangian residual circulation are also obtained individually and analysed. The dynamics of the three main eddies in the Lagrangian mean circulation is discussed. Finally, the numerical result is partly verified with the observed data. |
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