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海洋通报  2012 

基于卫星遥感数据的全球表层流场反演重构

DOI: 10.11840/j.issn.1001-6392.2012.1.001, PP. 1-8

Keywords: 卫星高度计资料,QuikSCAT风场,表层地转流,Ekman流

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Abstract:

本文利用2000~2008年的卫星高度计资料和QuikSCAT风场资料,反演了全球的海表的地转流和Ekman流,将两者合成后生成了0.5°×0.5°的逐周全球表层流产品。在计算Ekman流的时候,引入了权重函数,改进了Lagerloef方法中Ekman流在25°S和25°N上的不连续问题。分析表明:卫星资料反演的流产品能够反映出海表流场的特征,将其分别与TAO观测和SCUD流产品进行定量化的比较显示,所得流产品具有较高的反演精度和可信度,说明改进的方法是有效的。

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