江西省山洪灾害风险区划初步研究

Research of Regional Torrent Risk Zonation in Jiangxi Province

摘要: 通过应用地理信息系统技术编制山洪灾害风险区划的方法,以江西省分县小流域地理底图为基础,对影响山洪灾害形成与发展的暴雨气候、地形坡度、河网分布等因子进行分析和叠加,完成了江西省山洪灾害危险性评价图。以人口密度、GDP、耕

Abstract: In this paper,the mountain torrent risk zonation method is advanced by application of GIS technology.Based on geographical map of sub-country small watershed in Jiangxi province,the factor of climate,terrain slop