An integrated flood risk assessment model for property insurance industry in Taiwan

Wen-Ko Hsu, Pei-Chiung Huang, Ching-Cheng Chang, Cheng-Wu Chen (), Dung-Moung Hung and Wei-Ling Chiang

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2011, vol. 58, issue 3, 1295-1309

Abstract: Taiwan is located in an area affected by Northwest Pacific typhoons, which are also one of the most important sources of rainfall to the island. Unfortunately, the abundant rainfall brought by typhoons frequently produces hazards. In recent years, typhoons and floods have caused serious damage, especially Typhoon Morakot in 2009. In this study, a probabilistic model is developed based on historical events which can be used to assess flood risk in Taiwan. There are 4 separate modules in this model, including a rainfall event module, a hydraulic module, a vulnerability module, and a financial loss module. Local data obtained from the Taiwan government are used to construct this model. Historical rainfall data for typhoon and flood events that have occurred since 1960, obtained from the Central Weather Bureau, are used for computing the maximum daily rainfall for each basin. In addition, the latest flood maps from the Water Resources Agency are collected to assess the probable inundation depth. A case study using the local data is carried out. Assessment is made to predict possible economic loss from different financial perspectives such as the total loss, insured loss, and loss exceeding probabilities. The assessment results can be used as a reference for making effective flood risk management strategies in Taiwan. Copyright Springer Science+Business Media B.V. 2011

Keywords: Flooding; Risk assessment; Risk management (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (23)

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DOI: 10.1007/s11069-011-9732-9

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