Risk assessment and zoning of flood disaster in Wuchengxiyu Region, China

被引：32
|
作者：
Gao, Cheng [1 ]
Zhang, Boyao [1 ]
Shao, Shuaibing [1 ]
Hao, Manqiu [1 ]
Zhang, Yuquan [2 ]
Xu, Yong [3 ]
Kuang, Yi [4 ]
Dong, Lixiang [5 ]
Wang, Zhuowen [5 ]
机构：
[1] Hohai Univ, Coll Hydrol & Water Resources, Nanjing 210098, Jiangsu, Peoples R China
[2] Ningbo Water Conservancy & Hydropower Planning & D, Ningbo 315000, Zhejiang, Peoples R China
[3] Jiangsu Prov Hydrol & Water Resources Invest Bur, Suzhou 215129, Jiangsu, Peoples R China
[4] Forestry & Water Conservancy Bur Fuyang Dist, Hangzhou 311400, Zhejiang, Peoples R China
[5] Taizhou Design Inst Water Conservancy & Hydroelect, Taizhou 317700, Zhejiang, Peoples R China
来源：
URBAN CLIMATE | 2023年 / 49卷
关键词：
Flood disaster risk; Disaster-inducing factors; Disaster-pregnant environment; Disaster-bearing body; Risk assessment; MULTICRITERIA APPROACH; VULNERABILITY; RIVER; UNCERTAINTY; HAZARD; MODEL;
D O I：
10.1016/j.uclim.2023.101562
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Based on the data of physical geography and social economy, an index system of Wuchengxiyu Region was constructed with the disaster-inducing factors, disaster-pregnant environment, and disaster-bearing body as indicators by analyzing the formation and impact factors of flood disasters. The weight of each index was given using the analytic hierarchy process, and the comprehensive evaluation index was constructed by the weighted comprehensive method, and the flood disaster evaluation model was established. The flood risk zoning of Wuchengxiyu Region was implemented by means of Geographic Information System spatial analysis methods. The results showed that the high-risk areas in Wuchengxiyu Region are mainly distributed in Liangxi District, Binhu District, Xishan District of Wuxi City, Zhonglou District, Tianning District, and Xinbei District of Changzhou City, and Jiangyin City. The high-risk area in Wuxi City is highly exposed due to its low terrain. The high-risk area in Changzhou City is highly vulnerable due to the high density of population, buildings and roads. And the high-risk area in Jiangyin City is located in the high-risk area of disaster-causing factors due to its abundant rainfall.
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页数：11
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