灾害学2018，Vol.33Issue(2)：64-69,6.DOI:10.3969/j.issn.1000-811X.2018.02.013
基于AHP和GIS的山区小流域山洪灾害风险区划研究
Study on Freshet Disaster Risk Zonation at Small Mountainous Watershed Base on AHP and GIS
摘要
Abstract
Freshet disaster risk zonation techniques at small mountainous watershed are made a research and study based on the extend collection.Therefore,risk factors such as rainfall,topography,rivers distributed and vulnerability factors of population,GDP distributions,land use types are extracted to be freshet disaster risk zonation indexes,and entrusts with the weight to each indexes,then a method of weighted-evaluating base on Arcgis was used for risk map zonation at small mountainous watershed.By instance analysis the highest risk area primarily in Magui town and along the river banks.Moreover,risk zonation result precision is verified by comparison with the data of historical freshet disasters,which provide a scientific basis for the freshet disaster risk prevention and management of this area.关键词
山区小流域/山洪灾害/层次分析法/GIS技术/风险区划Key words
small mountainous watershed/freshet disaster/AHP/GIS techniques/risk zonation分类
资源环境引用本文复制引用
罗日洪,黄锦林,唐造造..基于AHP和GIS的山区小流域山洪灾害风险区划研究[J].灾害学,2018,33(2):64-69,6.基金项目
广东省水利科技创新项目(2015-12) （2015-12）
