基于信息量模型的达曲库区滑坡危险性分析  

Analysis on Landslide Hazard Risk in Daqu Reservoir Area Based on Information Value Model

作　　者：孟令超[1] 卢晓仓[2] 史晨晓[3] 符新阁[4] 

机构地区：[1]长安大学地质工程与测绘学院,陕西西安710054 [2]中国水电顾问集团贵阳勘测设计研究院,贵州贵阳550081 [3]山东省水利勘测设计院,山东济南250013 [4]黄河勘测规划设计有限公司,河南郑州450003

出　　处：《灾害学》2009年第4期31-34,共4页Journal of Catastrophology

基　　金：中国科学院知识创新工程重要方向项目(KZCX3-SW-323);河南省高等学校创新人才培养工程项目;河南省高校杰出科研人才创新工程项目(HAIPURT;2005KYCX015)

摘　　要：选取南水北调西线一期工程四川甘孜州达曲库区作为研究区域,根据库区内已有滑坡的形成原因,选择坡度、高程、地层、距水系距离和距断层距离等5个影响因素,利用基于G IS的信息量模型,实现了达曲库区滑坡灾害危险性区划。其中,高危险区面积4.02 km2,占0.90%;中危险区面积30.40 km2,占6.79%;低危险区面积126.46 km2,占28.23%;稳定区面积287.04 km2,占64.08%。经过与实际情况对比分析,区划结果可以作为达曲库区滑坡灾害治理的参考依据。Selecting Daqu reservoir area in Ganzi county of Sichuan,the first phase project of the west route of the South-to-North Water Transfer Project,as a study area,landslide risk zoning is made in Daqu reservoir area by use of information value model based on GIS,according to the available information concerning causes of landslides in this area and 5 affecting factors as slope gradient,elevation,stratum,distance to rivers and distance to faults.The study area is divided into four classes,4.02 km2 as high-risk ...

关 键 词：滑坡 危险性分析 GIS 信息量模型 达曲库区 四川甘孜 

分 类 号：P642.22[天文地球—工程地质学]