人民黄河2024，Vol.46Issue(5)：56-62,67,8.DOI:10.3969/j.issn.1000-1379.2024.05.009
基于GIS技术的山地小城镇雨洪灾害风险评估
Risk Assessment of Rain-Induced Flood in Small Mountain Towns Based on GIS Technology
摘要
Abstract
Under the rapid urbanization and industrialization,the risk of natural disasters in cities is increasingly exposed,especially the is-sue of rain-induced flood has become increasingly prominent.In view of the rain-induced flood that has occurred in Gongyi City in recent years,a study on the risk of rain-induced flood in Gongyi City has been carried out in order to provide a scientific basis for the city's disaster prevention and mitigation work.Based on the natural disaster risk assessment theory,this paper built a rain-induced flood risk model with the risk of disaster factors,the risk of disaster-pregnant environment,the vulnerability of disaster-bearing bodies and the ability to prevent and reduce disasters as evaluation indicators.Starting from the above,a total of 14 index factors were selected for quantitative analysis,and the SCS model(Soil Conservation Service)and GIS spatial analysis functions were used to finally obtain the comprehensive risk zoning map of rain and flood disasters in Gongyi City.The results show that Mihe Town,Huiguo Town,Zhitian Town and Xiaoyi Sub-District of Gongyi City are more dangerous.The risk of pregnancy in disaster environment in the north,west and east areas include Heluo Town,Xiaoyi Sub-Dis-trict,Huiguo Town,Zhitian Town and Mihe Town is higher.The disaster-bearing bodies in the western and central parts are more vulnerable,including Huiguo Town,Zhitian Town and Zhanjie Town.The overall disaster prevention and mitigation capacity of the north is strong,inclu-ding Zhanjie Town and Zijing Sub-District.In general,the overall risk level of rain-induced flood in Gongyi City is relatively higher,and the high-risk areas are mainly distributed in a belt-like structure in the north-central and western regions.关键词
雨洪灾害/风险评估/GIS/SCS模型/山地小城镇/巩义市Key words
rainflood disaster/risk assessment/GIS/SCS model/small mountain town/Gongyi City分类
建筑与水利引用本文复制引用
栾春凤,时兆慧,赵人镜,崔逸文..基于GIS技术的山地小城镇雨洪灾害风险评估[J].人民黄河,2024,46(5):56-62,67,8.基金项目
河南省科技攻关项目(242102320309,242102320240) （242102320309,242102320240）
2023年河南兴文化工程文化研究专项(2023XWH269) （2023XWH269）
2023年郑州大学研究生课程思政示范课程项目 （）
2023年度河南省本科高校研究性教学改革研究与实践项目 （）
