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海洋通报  2012 

浙江沿海超强台风作用下的台风浪波高

DOI: 10.11840/j.issn.1001-6392.2012.4.002, PP. 369-374

Keywords: 超强台风,台风浪,浙江沿海

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Abstract:

本文基于SWAN波浪传播模型建立包含风暴潮与天文潮耦合传播的台风浪数值模型,通过多次台风引起的波浪模拟,证实该模型可适用于浙江沿海。将1949年以来登陆我国大陆沿海最强的“5612”号台风作为典型的超强台风,计算了超强台风在浙北至浙南3个不同地点登陆遭遇天文潮高潮位时产生的沿海波高过程。结果显示,在开敞海区,登陆点南侧附近及其以北沿海,台风登陆时过程最大有效波高与风暴高潮位基本同时出现,而在登陆点以南远区的沿海海域,最大有效波高出现在登陆前的一个高潮位附近;超强台风作用下浙江陆域沿海离岸近1km范围内有效波高可达4~6m。这些结论对海堤工程设计和防灾减灾具有重要意义。

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