基于GIS的拉萨堆龙德庆区地质灾害易发性评价  

Evaluation of the Susceptibility of Geological Hazards in Doilungdeqen District Based On GIS,Lhasa

作　　者：徐琳[1] 罗绍强[1] 胡林[1] 肖进[1] 达娃 单增卓玛 赵海华 XU Lin;LUO Shao-qiang;HU Lin;XIAO Jin;DA Wa;DAN Zeng-zhuoma;ZHAO Hai-hua(Northwest Sichuan Geological Team,BGEEMRSP,Mianyang Sichuan 621000;The geothermal geological brigade of the bureau of geology and mineral exploration and development of the Tibet Autonomous Region,Lhasa 850032)

机构地区：[1]四川省地质矿产勘查开发局川西北地质队,四川绵阳621000 [2]西藏自治区地质矿产勘查开发局地热地质大队,拉萨850032

出　　处：《四川地质学报》2023年第1期147-151,共5页Acta Geologica Sichuan

基　　金：西藏自治区自然资源厅基金项目(西藏自治区堆龙德庆区1∶5万地质灾害详细调查)。

摘　　要：以拉萨市堆龙德庆区1∶5万地质灾害调查数据,选取起伏度、坡度、坡向、工程地质岩组、构造密度、距河流距离、植被7个因子,采用信息量模型,通过GIS空间分析平台,对堆龙德庆区进行地质灾害易发性评价。成果供堆龙德庆区地质灾害防治工作参考。Based on 1:50,000 geological disaster survey data of Doilungdeqen District,Lhasa,seven influencing factors,including relief degree,slope,slope aspect,engineering geological rock group,structural density,distance from river and vegetation,were selected to evaluate the susceptibility of geological hazards in Doilungdeqen District by using information information model and GIS spatial analysis platform.This research results can provide guidance and technical reference for the prevention and control of geological disasters in Doilungdeqen District.

关 键 词：地质灾害 易发性 GIS 评价 

分 类 号：P954[天文地球—自然地理学]