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台湾以东黑潮锋时空分布及形成机制研究 预览

The Kuroshio front to the east of Taiwan: seasonal feature, variability and mechanism
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摘要 海洋锋是重要的海洋现象,具有重要的研究意义。尽管台湾以东与黑潮之间表层无明显的锋区,但在水下却常年存在较强的海洋锋,这一现象的研究至今尚少见,本研究采用再分析手段,系统分析了温度锋时空变化规律及其形成变化机制。 Oceanic front, especially Kuroshio front, is an important phenomenon that is of great significance for scientific research, national economy and military uses. However, Kuroshio front to the east of Taiwan (KFETW in brief) was rare investigated. In this study, reanalysis method is used to study the KFETW's temporal and spatial variability and frontogenesis mechanism. It is found that although surface thermal front to the east of Taiwan is not obvious, there is an all-year strong Kuroshio thermal front called KFETW under the surface. The KFETW is connected to the south section of Kuroshio front in the East China Sea (KFECS in brief) and distributes along the east coastline of Taiwan. The KFETW has multi-scale variation feature. It has significant seasonal signal, and its intensity and width reach their maximum in summer. By using the reanalysis results obtained from this study, frontogenesis and changing mechanisms of the KFETW are discussed. It is found that both the Kuroshio and up-welling to the east of Taiwan can affect this front, and the up-welling may be the predominant factor in KFETW's frontogenesis and maintenance mechanism.
作者 王琦 李威 马继瑞 韩桂军 张学峰 王喜东 WANG Qi, LI Wei, MA Ji-rui, HAN Gui-jun, ZHANG Xue-feng WANG Xi-dong 1. National Marine Data and Information Service, State Oceanic Administration, Tianjin 300171, China 2. Key Laboratory of Marine Environmental Information Technology, State Oceanic Administration Tianjin 300171, China
出处 《海洋通报:英文版》 2011年第2期 13-32,共20页 Marina Science Bulletin
基金 supported by grants of the National Basic Research Program of China(No.2007CB816001) the National Natural Science Foundation of China (No.41030854,40906016 and 40906015)
关键词 黑潮锋 台湾以东 再分析 时空分布 形成机制 Kuroshio front the east of Taiwan reanalysis seasonal feature frontogenesis
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