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首页> 外文期刊>Ocean Engineering >Storm surges along the Tottori coasts following a typhoon
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Storm surges along the Tottori coasts following a typhoon

机译：台风过后，鸟取海岸的风暴骤增

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摘要

In the present study, the after-runner surge that maximum surge height appears 15-18 h later along the Tottori coasts facing the Sea of Japan/East Sea (SJES) after typhoons undergo a change in shape and intensity as extratropical cyclones is investigated using asymmetric and symmetric wind and pressure fields of Typhoon Songda (2004). For the asymmetric wind and pressure field, the Weather Research and Forecasting (WRF) model is used, while for the symmetric wind and pressure field, a parametric wind and pressure model is used. The results indicate that both models simulate fairly well the 10 m level wind and the sea level pressure along the Pacific Ocean, while the WRF model shows better agreement with the observations over the SJES. Subsequently, from storm surge simulations for Typhoon Songda, it is found that using the deformed and asymmetric meteorological field of typhoon structures agrees well with observations. The study shows that the after-runner surge's characteristic comes from the Ekman setup in the presence of the Coriolis force over the Tottori coasts. It is critical that its behavior should be taken into account for the safety design of coastal defense structures around the Tottori coastal region.
机译：在本研究中，由于使用温带气旋对台风进行了形状和强度的变化，因此在面对日本海/东海（SJES）的鸟取沿海地区，潮后浪涌最大潮高出现在15-18小时后。台风松达（2004年）的非对称和对称风压场。对于不对称的风压场，使用天气研究和预报（WRF）模型，对于不对称的风压场，使用参数化风压模型。结果表明，两个模型都很好地模拟了太平洋沿岸10 m的风和海平面压力，而WRF模型与SJES的观测结果显示出更好的一致性。随后，从台风“松达”的风暴潮模拟中发现，使用变形且不对称的台风结构气象场与观测结果吻合得很好。研究表明，奔跑后浪涌的特征来自于在鸟取海岸上存在科里奥利力的情况下的埃克曼装置。在鸟取沿海地区周围的海防结构的安全设计中，必须考虑其行为。

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