A simple gradient wind field model for translating tropical cyclones

A simple gradient wind field model for translating tropical cyclones
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用于转换热带气旋的简单梯度风场模型

DOI:
10.1007/s11069-017-2882-7
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发表时间:
2017-04
期刊:
影响因子:
3.7
通讯作者:
Li Quanwang
Li Quanwang
中科院分区:
工程技术3区
文献类型:
--
作者:
Wang Cao;Zhang Hao;Feng Kairui;Li Quanwang

文献摘要

参考文献

相似文献

了解热带气旋(TC)风速廓线的空间结构,对于评估TC相关损失和绘制受灾地区的风险图至关重要。热带气旋的风场结构可以看作是由热力平衡驱动的垂直-径向二次对流叠加在水平初级环流上。梯度风场模型在文献中被广泛用于描述风速相对于TC中心的径向分布。本文提出了一种新的梯度风场模式,用于平移TC,基于旋转风速和平移速度的矢量总和。通过与历史记录风场的比较,验证了该模型的准确性和有效性。该模型只涉及简单的代数运算,有利于实际应用,特别是TC风场模拟的仿真研究。
Understanding the spatial structure of wind speed profile of a tropical cyclone (TC) is of critical importance to assess the TC-related damage and map the risk for afflicted areas. The wind field structure of a TC can be regarded as a horizontal primary circulation superimposed by a vertical–radial secondary convection driven by thermal balance. The gradient wind field model has been widely utilized in literature to describe the radial distribution of wind speed with respect to the TC center. In this paper, a new gradient wind field model is developed for translating TCs, based on the vector summation of the rotational wind speed and the translation speed. The accuracy and efficiency of the proposed model are demonstrated through comparing the wind fields generated from model solution and those recorded historically. The proposed model only involves simple algebra, which is beneficial for practical applications, especially in simulation-based studies of TC wind field modeling.
DOI: 10.1061/(asce)0733-9445(2000)126:10(1203
发表时间: 2000-10
期刊: Journal of Structural Engineering-asce
影响因子: --
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