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基于GIS综合评价法的地质灾害易发性研究
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  • 英文篇名:Research on geological hazards exploitation based on GIS comprehensive evaluation method
  • 作者:王路法 ; 张杰 ; 张日鹏
  • 英文作者:Wang Lufa;Zhang Jie;Zhang Ripeng;First Team of Coalfield Geology Bureau of Henan Province;Chun'an Land Resources Bureau;
  • 关键词:GIS ; 综合评价法 ; 地质灾害易发性 ; 空间分析功能 ; 层次分析法
  • 英文关键词:GIS;;comprehensive evaluation method;;vulnerability of geological disasters;;spatial analysis function;;AHP
  • 中文刊名:ZZMT
  • 英文刊名:China Energy and Environmental Protection
  • 机构:河南省煤田地质局一队;淳安县国土资源局;
  • 出版日期:2018-07-02 13:18
  • 出版单位:能源与环保
  • 年:2018
  • 期:v.40;No.270
  • 语种:中文;
  • 页:ZZMT201806017
  • 页数:6
  • CN:06
  • ISSN:41-1443/TK
  • 分类号:80-85
摘要
为了有效分析某研究区地质灾害的分布规律、发育特征、影响因素以及地质灾害易发性,采用GIS的综合评价法对地质灾害易发性进行了深入研究。研究了该区共发生地质灾害171处,其中滑坡、崩塌、泥石流发生次数较多,并选定研究区降水量、地形坡度、断层、海拔高度、岩土体类型以及人工工程活动6项影响因子作为地质灾害易发性评价指标,并利用层次分析法求出各项权重,结合GIS空间分析功能,对地质灾害易发性划分。研究结果为:该研究区地质灾害划分为9个高易发区域,14个中度易发区域,1个低易发区域和13个不易发区域。研究为类似工程地质条件下地质灾害易发性提供一定的理论基础。
        In order to analyze the distribution law,development characteristics,influencing factors and the vulnerability of geological disasters in a certain research area,the comprehensive evaluation method of GIS was used to study the vulnerability of geological disasters.The co-occurrence of geological 171 landslides,landslides,landslides and mudslides occurred more frequently,and six influencing factors such as precipitation,topography gradient,fault,altitude,rock and soil types and artificial engineering activities in the study area were selected as the susceptibility to geological disasters evaluation index,and the use of analytic hierarchy process to calculate the weight,combined with GIS spatial analysis capabilities,the vulnerability of geological hazards. The study results show that the study area geological disasters are divided into nine high-prone areas,14 moderately prone area,a low-prone area and 13 less-developed areas. The study provides a theoretical basis for the vulnerability of geological disasters under similar engineering geological conditions.
引文
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