Numerical estimation of the typhoon-induced wind and wave fields in Taiwan Strait
Numerical estimation of the typhoon-induced wind and wave fields in Taiwan Strait
复制标题
台湾海峡台风风浪场数值估算
DOI：
10.1016/j.oceaneng.2021.109803
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发表时间：
2021-11
影响因子：
5
通讯作者：
Yi Zhang
中科院分区：
文献类型：
--
作者：
Zhenshiyi Tian;Yi Zhang
台风通常伴随着风暴潮、巨浪，对沿海建筑物和基础设施危害极大。对于几乎年年遭受台风袭击的台湾海峡来说，这样的灾害是相当严重的。本文采用混合风场驱动的SWAN+ADCIRC耦合模型来模拟台湾海峡的风场和波浪场。风压驱动文件采用参数模型与欧洲中期天气预报中心(ECMWF)提供的再分析风场数据相结合的混合模型构建。为了验证模拟结果，将风浪实测数据与台风“纳萨”（T1709）和“玛丽亚”（T1808）的模拟数据进行了比较。结果表明，混合模型能够更好地逼近实际风速值。选择两种不同的混合模型来驱动 SWAN + ADCIRC 模型，结果在论文中给出。根据中国气象局台风数据集，影响台湾海峡的台风分为五类（TP1至TP5）。在此分类基础上，基于耦合模型和混合风场，给出了不同路径下的台湾海峡台风诱发波风险图。
Typhoons are usually accompanied by storm surges, strong waves which are quite harmful to coastal buildings and infrastructures. Such disasters are quite critical for the Taiwan Strait which experiences typhoons nearly every year. In this paper, the SWAN + ADCIRC coupled model driven by hybrid wind field is adopted to simulate the wind and wave fields in Taiwan Strait. The drive files of wind and pressure are constructed by the hybrid model which combined the parametric model and the reanalysis wind field data provided by European Centre for Medium-Range Weather Forecasts (ECMWF). To validate the simulation results, the wind and wave measured data are compared with the simulation data of typhoons Nesat (T1709) and Maria (T1808). The results show the hybrid model has a better approximation to the actual wind speed value. Two different hybrid models are selected to drive the SWAN + ADCIRC model and the results are presented in the paper. According to the typhoon dataset of China Meteorological Administration (CMA), typhoons affecting the Taiwan Strait are classified into five categories (TP1 to TP5). Following this classification, the risk map of typhoon-induced wave at Taiwan Strait under different kinds of tracks are presented based on the coupled model and hybrid wind fields.
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