灾害学2017，Vol.32Issue(1)：194-198,5.DOI:10.3969/j.issn.1000-811X.2017.01.034
重庆市自然灾害综合区划研究
Study of Comprehensive Regionalization of Natural Disasters in Chongqing
摘要
Abstract
Using Chongqing’s districts and counties natural disaster data and adopting ArcGIS spatial analysis methods obtain each single natural disaster hazard maps and conducted Overlay by Bottom-up Approach to merge polygons,The regional boundaries of the natural disasters in Chongqing were adjusted according to the macro land-form patterns in Chongqing to obtain Natural disaster comprehensive zoning map,the results show that the natural disasters regions can be divided into the natural disaster region in middle mountains and low mountains in the north-east and southeast Chongqing and the natural disaster region in hills and low mountains in the mid and west Chongqing.The two regions were divided into 6 sub-regions in according to the regional differentiation of the natu-ral disasters.The study can provide the scientific basis for the disaster prevention and mitigation in Chongqing.关键词
自然灾害/区域分异/综合区划/重庆市Key words
natural disasters/regional differentiation/comprehensive zoning/Chongqing City分类
资源环境引用本文复制引用
赵志军,徐刚,白基恒,周婷婷..重庆市自然灾害综合区划研究[J].灾害学,2017,32(1):194-198,5.基金项目
国家自然科学基金 （）
