渤海“9216”特大风暴潮过程的数值模拟-海洋预报

渤海“9216”特大风暴潮过程的数值模拟

单位：1. 国家海洋环境预报中心, 北京;
2. 中海石油工程设计公司, 天津

分类号：P457

出版年·卷·期（页码）：2000·2000·第四期（9-15）

摘要：

本文论述了我国渤海地区风暴潮的特点,指出渤海地区一年四季均有风暴潮发生,而且发生在这里的温带风暴潮较台风风暴潮既频繁又严重。建立了一个球坐标系下的温带风暴潮数值模式,并利用该模式对发生在渤晦地区的9216号特大风暴潮进行了数值模拟,成功地再现了这次过程,这表明:只要计算的风场准确,温带风暴潮的数值预报是可行的。

In this paper, the characteristics of storm surge in Bohai waters is discussed. It is showed that storm surges in Bohai region may occur in every season, but the frequency and intensity of extratropical storm surge is higher than typhoon surge. A extratropical storm sump numerical model with sphere coordinates is developed, and severe storm surge caused by tropical storm Polly is simulated by using this model. The result of simulation is in good agreement with the observed result. This indicates that it is feasible to predict the extratropical storm surge by numerical model if calculated wind field is accurate enough.

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