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Discussion on evaluating the vulnerability of storm surge hazard bearing bodies in the coastal areas of Wenzhou |
Yuexia ZHANG1,2( ), Jing GUO2, Zhumei CHE2 |
1. College of Environmental Science and Engineering, Ocean University of China, Qingdao 266000, China
2. Marine Monitoring and Forecasting Center of Zhejiang, Hangzhou 310007, China |
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Abstract Wenzhou is a region on the coast of China where storm surges are frequent and serious. Starting with society, economy, land utilization, and anti-disaster capability, the vulnerability of each county in the coastal region of Wenzhou was evaluated. The counties were then divided into mild, moderate, heavy, and extremely heavy fragile areas by choosing 15 factors to establish an evaluation index system, using principal component analysis to set the weight of each factor. The results show that all of the counties fit into the categories of heavy and extremely heavy fragile areas except for Pingyang county, which is mild. There is no significant difference in storm surge vulnerability among all counties in the Wenzhou coastal region, which is highly associated with the general balance of socioeconomic development in the Zhejiang coastal region and the orientation of government policies. This research provides a method for evaluating vulnerability to storm surge. Evaluation results can provide the basis for responses to storm surge, contributing to disaster prevention and mitigation planning, and regional sustainable development planning.
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| Keywords
storm surge disaster
index system
hazard bearing body
vulnerability
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Corresponding Author(s):
Yuexia ZHANG
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Issue Date: 01 January 2023
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