| 台湾以东黑潮锋的中尺度过程研究 |
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| 引用本文： | 李威,王琦,马继瑞,韩桂军,张学峰.台湾以东黑潮锋的中尺度过程研究[J].海洋通报,2011,30(5):518-528. |
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| 作者姓名： | 李威 王琦 马继瑞 韩桂军 张学峰 |
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| 作者单位： | 1. 国家海洋局海洋环境信息保障技术重点实验室,天津300171;国家海洋信息中心,天津300171
2. 国家海洋局海洋环境信息保障技术重点实验室,天津,300171 |
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| 基金项目： | 国家重点基础研究发展计划课题（2007CB816001）；国家自然科学基金项目（41030854, 40906016, 40906015） |
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| 摘 要： | 采用海洋再分析结果,研究了海洋涡旋和锋面波动对台湾以东黑潮锋的影响,结果表明,Rossby波第一斜压模态形成的冷涡(暖涡),减弱(增强)台湾以东黑潮温度锋强度,减小(加大)锋的宽度.在再分析结果中,捕获到1991年1-2月台湾以东的一次黑潮锋面波动.锋面波动的波槽(波脊)到达时,该温度锋强度减弱(增强),宽度和厚度减小...
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| 关 键 词： | 黑潮锋 台湾以东 再分析 海洋涡旋 锋面波动 |
| 收稿时间： | 1/4/2011 12:00:00 AM |
| 修稿时间： | 6/2/2011 12:00:00 AM |
Study on the meso-scale process of the Kuroshio front to the east of Taiwan |
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| LI Wei,WANG Qi,MA Ji-rui,HAN Gui-jun and ZHANG xue-feng.Study on the meso-scale process of the Kuroshio front to the east of Taiwan[J].Marine Science Bulletin,2011,30(5):518-528. |
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| Authors: | LI Wei WANG Qi MA Ji-rui HAN Gui-jun and ZHANG xue-feng |
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| Institution: | (1. Key Laboratory of Marine Environmental Information Technology, State Oceanic Administration, Tianjin 300171, China; 2. National Marine Data and Information;National Marine Data and Information Service, Tianjin 300171, China;(1. Key Laboratory of Marine Environmental Information Technology, State Oceanic Administration, Tianjin 300171, China; 2. National Marine Data and Information;(1. Key Laboratory of Marine Environmental Information Technology, State Oceanic Administration, Tianjin 300171, China; 2. National Marine Data and Information;(1. Key Laboratory of Marine Environmental Information Technology, State Oceanic Administration, Tianjin 300171, China; 2. National Marine Data and Information |
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| Abstract: | By using the reanalysis data, the impact of oceanic eddies and frontal wave on Kuroshio front to the east of Taiwan (KFETW) is studied. The result indicates that cold eddies (warm eddies) corresponding to the first baroclinic mode of Rossby wave can weaken (strengthen) the strength of the KFETW and narrow (widen) the width of this front. A frontal wave of the KFETW during January to February in 1991 is detected from the reanalysis data. And the trough (crest) of the frontal wave may weaken (strengthen) the strength of the KFETW and narrow (widen) the width and thickness of this front. Diagnostic equation of frontal wave disturbance energy corresponding to linear basic state is extended and diagnostic equation corresponding to non-linear basic state is derived. It is found through the diagnostic analysis of the energy source of the frontal wave that the contribution of barotropic instability or that of baroclinic instability is more than that of K-H instability by 1~2 order of magnitude, and the contribution of the baroclinic instability is 4 times bigger than that of the barotropic instability, thereby the frontal wave is basically driven by the baroclinic instability. |
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| Keywords: | Kuroshio front the east of Taiwan reanalysis oceanic eddy frontal wave |
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