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Nearshore propagation of cyclonic waves

机译:旋风波在近岸的传播

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Cyclone-generated surface waves are simulated using state-of-art SWAN (Simulating WAves Nearshore) model coupled with hydrodynamic model inputs. A severe cyclonic storm passed over the Arabian Sea during 4–9th November 1982 is selected from UNISYS track records. The cyclone lasted for nearly 6 days and subsided with a land fall at Gujarat coast, west coast of India. In this study, cyclonic wind fields are generated using a well-established relationship suggested by Jelesnianski and Taylor (1973). The associated water level variations due to storm surge and surge generated currents are simulated using POM (Princeton Ocean Model). The outputs are one-way coupled with the wave model SWAN for simulating wave parameters off Gujarat, north-east basin of Arabian Sea. An extensive literature review is carried out on the progress and methodology adopted for storm wave modelling and analysis. The results presented in this paper reveal the severity of the storm event and would be highly useful for assessing the extreme wave event/climate especially for the south coast of Gujarat.
机译:使用最新的SWAN(近岸模拟波浪)模型和流体动力学模型输入来模拟旋风产生的表面波。根据UNISYS的记录,1982年11月4日至9日在阿拉伯海上空发生了强烈的气旋风暴。旋风持续了将近6天,并在印度西海岸的古吉拉特邦海岸降落平息。在这项研究中,气旋风场是由Jelesnianski和Taylor(1973)提出的公认的关系产生的。使用POM(普林斯顿海洋模型)模拟了由于风暴潮和浪涌产生的电流而引起的相关水位变化。输出与波浪模型SWAN单向耦合,用于模拟阿拉伯海东北海古吉拉特邦附近的波浪参数。关于风暴波建模和分析采用的进展和方法进行了广泛的文献综述。本文提供的结果揭示了风暴事件的严重性,对于评估极端海浪事件/气候(特别是古吉拉特邦南海岸)非常有用。

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