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海洋科学  2010 

海浪数值预报误差的统计分析

, PP. 65-68

Keywords: 海浪,资料同化,误差,WAVEWATCH

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Abstract:

针对海浪资料同化中预报误差的统计性质难以确定的问题,利用WAVEWATCHⅢ和Topex/Poseidon(T/P)有效波高观测资料,对东中国海区的有效波高预报误差进行了统计分析。结果表明,预报误差符合正态分布;不同网格点的预报误差协方差随距离增长呈指数关系递减,并且空间上表现出弱各向异性;在预报模式空间网格为0.5°×0.5°条件下相关距离为3.0°~5.9°。

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