台湾岛邻近海域台风浪的模拟研究-海洋预报

台湾岛邻近海域台风浪的模拟研究

单位：1. 解放军理工大学气象学院海洋气象教研室, 南京;
2. 南京气象学院KLME, 南京

分类号：P445

出版年·卷·期（页码）：2002·2002·第四期（1-10）

摘要：

基于目前国际上较为先进的第三代近岸海浪数值模式 SWAN(Simuation Waves Near-shore),在充分考虑相关物理过程(风生浪、底摩擦、白帽耗散、深度诱导波破碎、非线性波-波相互作用)基础上,以较高的分辨率对影响台湾岛邻近海域的9015号台风浪过程进行了模拟研究。模式所需风场由藤田台风风场模型同化相应台风资料后提供;用自嵌套方式提供模式波谱边界条件。模拟结果与实际台风浪资料相符较好。台风过程模拟结果表明:台风中心位于台湾岛邻近海域的不同位置,台风浪有效波高的分布特征和传播方向都有着较大的差异,可以为整个台湾岛邻近海域台风浪分布特征的了解与认识提供较好的参考。

In this paper, we use the SWAN model to simulate typhoon waves at thenearshore around the Taiwan Island. Adding real data to typhoon model wind field to get the wind, we drive the wave model. We use the self-nested method to provide boundary conditions. And we also compare the results between real and simulated wave height. Base on this study, we discuss the distrbution character of wave height and wave direction detailedly when the typhoon center locating at different sea area.

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