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The Kuroshio Transport East of Taiwan and the Sea Surface Height Anomaly from the Interior Ocean

机译:台湾以东黑潮运输和海洋从海洋带来内部表面高程异常

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摘要

The relationship between the Kuroshio transport to the east of Taiwan and the SSHA (Sea Surface Height Anomaly) field is studied based on the World Ocean Circulation Experiment (WOCE) PCM-1 moored current meter array observation, the satellite altimeter data from the MSLA (Map of Sea Level Anomaly) products merged with the ERS and TOPEX/ POSEIDON (T/P) data sets, and the WOCE satellite-tracked drifting buoy data. It is confirmed that the Kuroshio transport across PCM-1 array highly correlates with the SSHA upstream (22°-24°N, 121.75°-124°E). The SSHA is not locally generated by the developed Kuroshio meandering but is from the interior ocean and is propagating westward or northwestward. During the period from October 1992 to January 1998, two events of the northwestward propagating negative SSHA occurred, during which the SSHA merged into the Kuroshio and caused the remarkable low transport events in contrast to the normal westward propagating negative SSHA. It is also shown that the lower Kuroshio transport event would be generated in different ways. The negative anomaly in the upstream of PCM-1 array can reduce the Kuroshio transport by either offshore or onshore Kuroshio meandering. The positive anomaly, which is strong enough to detour the Kuroshio, can cause an offshore meandering and a low transport event at the PCM-1 array.
机译:黑潮运输之间的关系台湾的东部和SSHA(海面研究了基于高程异常)字段世界海洋环流实验(WOCE) PCM-1海流计阵列观测,卫星高度计数据MSLA(地图海平面异常)产品与人和TOPEX /波塞冬(T / P)的数据集,和WOCE漂动浮标数据。证实了黑潮运输高度与SSHA PCM-1数组上游(22°-24°N, 121.75°-124°E)。不是在本地生成的发达黑潮从室内海洋和曲折的,但向西传播或向西北方。从1992年10月到1998年1月,两个西北方的事件传播负面的SSHA发生,在此期间,SSHA并入黑潮和卓越的低造成的与正常的交通事件向西传播负面SSHA。表明较低的黑潮交通事件会以不同的方式生成。负异常的上游PCM-1数组可以减少黑潮运输吗海上或陆上黑潮蜿蜒。积极的异常,这是强大到足以绕道黑潮,会导致离岸PCM-1蜿蜒和低交通事件数组中。

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