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Tropical Cyclones in the Arabian Sea: overview and simulation of winds and storm-induced waves
Natural Hazards ( IF 3.3 ) Pub Date : 2021-04-04 , DOI: 10.1007/s11069-021-04702-z
Mohsen Soltanpour , Zahra Ranji , Tomoya Shibayama , Sarmad Ghader

Three recent Tropical Cyclones (TCs) over the Arabian Sea, i.e., the super cyclone Gonu, the low intense cyclone Ashobaa, and cyclone Phet (with an unusual track), are studied using a high-resolution atmosphere-wave model and observations. The reliable performances of both atmospheric and wave models were established using the available field measurements, in which the modeling improvement in comparison with the previous studies is met. The effects of input parameterizations on the wave and wind estimations in the presence of TCs were examined. TCs track and intensity were more sensitive to the microphysics and cumulus schemes. Concerning the multi and single peaked wave spectra, three steps of wave generation, growth, and dissipation were addressed. Bimodal seas and swells exist in both generation and dissipation stages, whereas the seas are dominant in the growth stage. The performance of Westhuysen was better in modeling the combination of seas and swells.



中文翻译:

阿拉伯海的热带气旋:风和暴风浪的概述和模拟

使用高分辨率气浪模型和观测资料研究了阿拉伯海最近出现的三个热带气旋(TC),即超级气旋Gonu,低强度气旋Ashobaa和Phet气旋(异常路径)。大气模型和波动模型的可靠性能都是使用现有的现场测量方法建立的,与以前的研究相比,在建模方面的改进得到了满足。在存在TC的情况下,检查了输入参数化对波浪和风的估计的影响。TC的轨迹和强度对微观物理学和积云方案更为敏感。关于多峰和单峰波谱,讨论了波的产生,增长和耗散的三个步骤。在产生和消散阶段都存在双峰海浪。而海洋在生长期处于主导地位。Westhuysen在模拟海浪组合方面的性能更好。

更新日期:2021-04-04
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