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首页> 外文期刊>Journal of Geophysical Research, C. Oceans: JGR >Surface Kuroshio path in the Luzon Strait area derived from satellite remote sensing data
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Surface Kuroshio path in the Luzon Strait area derived from satellite remote sensing data

机译：卫星遥感数据得出的吕宋海峡地区黑潮地表路径

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Satellite ocean color, sea surface temperature, and altimeter data are used to study the surface Kuroshio path in the Luzon Strait area. The results suggest that the dominant path of surface Kuroshio intrusion in winter is a direct route from northeast of Luzon to southwest of Taiwan and then westward along the continental slope of northern South China Sea. Anticyclonic intrusions of the Kuroshio in the Luzon Strait area are observed during less than 30% of the time on average and in all four seasons of the year. Winter is the most favorable season for the formation of the anticyclonic intrusions. However, the Kuroshio is observed to deviate from the dominant path during only a little over one third of the wintertime on average. The loop currents of the Kuroshio, which feature prominent inflow-outflow currents in the Luzon Strait during the anticyclonic intrusions, are observed only occasionally, with more episodes in summer than in winter. The observation of more frequent loop currents of the Kuroshio in summer than in winter is a revision to the existing conclusion. These results demonstrate that the anticyclonic intrusion of the Kuroshio is a transient phenomenon rather than a persistent circulation pattern in the Luzon Strait area as suggested by some of the existing numerical model simulations. The growth and decay of the anticyclonic intrusions of the Kuroshio are closely related to the passages and evolution of mesoscale eddies in the Luzon Strait area. Each anticyclonic intrusion event lasts for a few weeks. Its termination sometimes results in a detached anticyclonic eddy propagating to the western basin along the continental slope of the northern South China Sea.
机译：卫星海洋颜色，海面温度和高度计数据用于研究吕宋海峡地区的黑潮表面。结果表明，冬季黑潮入侵的主要路径是从吕宋岛东北部到台湾西南部，然后沿南海北部大陆斜坡向西的一条直接路径。在吕宋海峡地区，平均每年不到30％的时间以及一年中的所有四个季节，都观测到黑潮的反气旋入侵。冬季是形成反气旋入侵最有利的季节。然而，据观察，黑潮仅在平均冬天的三分之一以上偏离主导路径。黑潮的环流在反气旋入侵期间在吕宋海峡具有显着的流入流出电流，仅偶尔观察到，夏季比冬季多。夏季观测到的黑潮循环电流要比冬季观测到的频率高，这是对现有结论的修正。这些结果表明，黑潮的反气旋侵入是一种短暂现象，而不是某些现有数值模型模拟所表明的吕宋海峡地区的持续循环模式。黑潮反气旋侵入体的生长和衰减与吕宋海峡地区中尺度涡旋的通过和演变密切相关。每个反气旋入侵事件持续数周。它的终止有时会导致一个分离的反气旋涡沿着南中国海北部的大陆斜坡传播到西部盆地。

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