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海洋科学  2009 

东中国海浪流相互作用对水位和波高影响的数值研究

, PP. 82-86

Keywords: 浪流相互作用,水位,有效波高,POM,SWAN

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Abstract:

通过修改风应力和底摩擦应力的计算方式并引入波致辐射应力,以POM(Princeton?Ocean?Model)和SWAN(SimulatingWavesNearshore)模式为基础构建了浪流相互作用耦合模式,对1994年14号台风过程下的东中国海波流相互作用对水位和波高的影响进行了模拟研究。结果表明:浪流相互作用引起的水位变化主要出现在近岸浅水区。与岸边站点实测水位的对比显示,耦合后的结果相比非耦合结果更接近观测值,特别是在极值水位处。流的存在显著地影响有效波高的计算结果。在黄海海域,流对有效波高的增减在极值处大于0.2m。在台湾岛东北海域黑潮流系附近,流对有效波高的增加最大可达1.6m。上述结果对改善近岸风暴潮和海浪预报具有指导意义。

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