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A deterministic hazard assessment for storm surge induced flooding: A case study

机译：风暴浪涌诱导洪水的确定性危害评估 - 以案例研究

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Coastal flooding due to tropical cyclone generated storm surges has caused considerable damage and loss of life in the North Indian Ocean region including in Sri Lanka. This paper is concerned with a deterministic analysis of the storm surge hazard for the city of Chilaw on the west coast of Sri Lanka, as a case study. The present hazard assessment utilizes a database of historical events of tropical cyclones in the North Indian Ocean region. A statistical analysis of the past events has been carried out to identify an appropriate storm surge scenario. Numerical models comprising a parametric cyclone model and a hydrodynamic model based on shallow water equations have been employed to simulate cyclone wind velocity and pressure fields as well as coastal inundation due to the storm surges. The spatial distribution of the depth of inundation as well as maps of the hazard to population and residential buildings in the study area are presented and discussed.
机译：沿海洪水由于热带旋风而产生的风暴浪涌导致北印度洋地区的北方印度洋地区的大量损坏和生命损失，包括在斯里兰卡。本文涉及对斯里兰卡西海岸城市风暴浪涌危险的确定性分析，为案例研究。目前的危险评估利用北印度洋地区热带气旋的历史数据库。已经进行了对过去事件的统计分析，以确定适当的风暴浪涌情景。包括参数旋风模型的数值模型和基于浅水方程的流体动力模型，以模拟旋风风速和压力领域以及由于风暴浪涌而导致的沿海淹没。提出并讨论了淹没深度的空间分布以及对群体的危害和住宅建筑的地图。

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