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根据中、日合作黑潮调查研究期间（1987－1993年）在九州西侧海域获得的水文资料，计算了129°E断面的地转流速和流量。着重提出129°E断面北侧存在一支较稳定的西向流；分析这支西向流的去向，指出它是向对马暖流输送黑潮水的重要途径；给出了这支西向流及黑潮通过该断面的流速、流轴、流幅及流量的变化特征。 相似文献
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本文利用1973—1987年850hPa和沿岸5个地面站月平均风资料,探讨了ENSO期间我国东南沿岸海区季风场的变化及其对沿岸表面水温和水位的影响。通过资料分析和理论估算表明,在事件期间,研究海区出现西南风异常,事件前一般出现东北风异常。由于风向基本与海岸线走向一致,Ekman的搬运作用将导致沿岸海水或者堆积于海岸或者作离岸运动,从而对沿岸水位和表面水温均能产生重大影响。在ENSO事件的夏季,西南风增强,冬天东北风减弱。它们对水位和表面水温的总效应均是使其产生较大的负距平。估算表明,在ENSO期间西南风将出现1—1.5m/s的偏差。这种西南风异常将导致沿岸水位降低7—11cm。因此,这种风场的变化是引起我国东南沿岸海区水位和表面水温出现较大负距平的主要原因。 相似文献
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Based on the observational current meter data from two mooring systems located between Chilung and the Pengjiayu Island from July 1980 to July 1981, and other oceanographic observational data in the south of the East China Sea, some problems on the flow of seawater in this area in summer are analysed in this paper. It is considered that a possible passage where the subsurface water of the Kuroshio flows into continental shelf area of the East China Sea is the lower layer of the region between Chilung and the point of 122°30′ E, 25°40′N. After passing through this passage, it flows roughly towards northeast along about 100 m isobath. The "Taiwan Warm Current" coming from the Taiwan Strait only passes through the upper layer of this area. The influence of the Taiwan Island on the flow and the eddies in this area are also discussed. 相似文献
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