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题名: A Study on Coastal Flooding and Risk Assessment under Climate Change in the Mid-Western Coast of Taiwan
作者: Tai-Wen Hsu
Dong-Sin Shih
Chi-Yu Li
Yuan-Jyh Lan
Yu-Chen Lin
贡献者: 國立臺灣海洋大學:海洋工程科技學士學位學程
关键词: climate change
coastal disasters
vulnerability
disaster risk
日期: 2017-06
上传时间: 2018-10-26T08:27:16Z
出版者: Water
摘要: Abstract: This study integrated coastal watershed models and combined them with a risk assessment method to develop a methodology to investigate the impact resulting from coastal disasters under climate change. The mid-western coast of Taiwan suffering from land subsidence was selected as the demonstrative area for the vulnerability analysis based on the prediction of sea level rise (SLR), wave run-up, overtopping, and coastal flooding under the scenarios of the years from 2020 to 2039. Databases from tidal gauges and satellite images were used to analyze SLR using Ensemble Empirical Mode Decomposition (EEMD). Extreme wave condition and storm surge were estimated by numerical simulation using the Wind Wave Model (WWM) and the Princeton Ocean Model (POM). Coastal inundation was then simulated via the WASH123D watershed model. The risk map of study areas based on the analyses of vulnerability and disaster were established using the Analytic Hierarchy Process (AHP) technique. Predictions of sea level rise, the maximum wave condition, and storm surge under the scenarios of 2020 to 2039 are presented. The results indicate that the sea level at the mid-western coast of Taiwan will rise by an average of 5.8 cm, equivalent to a rising velocity of 2.8 mm/year. The analysis indicates that the Wuqi, Lukang, Mailiao, and Taixi townships are susceptive, low resistant and low resilient and reach the high-risk level. This assessment provides important information for creating an adaption policy for the mid-western coast of Taiwan.
關聯: 9(6)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/50830
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