证据权法在区域滑坡危险性评价中的应用以贵州省为例

范强 巨能攀 向喜琼 黄健

范强, 巨能攀, 向喜琼, 黄健. 2014: 证据权法在区域滑坡危险性评价中的应用以贵州省为例. 工程地质学报, 22(3): 474-481. doi: 10.13544/j.cnki.jeg.2014.03.017
引用本文: 范强, 巨能攀, 向喜琼, 黄健. 2014: 证据权法在区域滑坡危险性评价中的应用以贵州省为例. 工程地质学报, 22(3): 474-481. doi: 10.13544/j.cnki.jeg.2014.03.017
FAN Qiang, JU Nengpan, XIANG Xiqiong, HUANG Jian. 2014: LANDSLIDES HAZARDS ASSESSMENT WITH WEIGHTS OF CASE STUDY IN GUIZHOU, CHINA. JOURNAL OF ENGINEERING GEOLOGY, 22(3): 474-481. doi: 10.13544/j.cnki.jeg.2014.03.017
Citation: FAN Qiang, JU Nengpan, XIANG Xiqiong, HUANG Jian. 2014: LANDSLIDES HAZARDS ASSESSMENT WITH WEIGHTS OF CASE STUDY IN GUIZHOU, CHINA. JOURNAL OF ENGINEERING GEOLOGY, 22(3): 474-481. doi: 10.13544/j.cnki.jeg.2014.03.017

证据权法在区域滑坡危险性评价中的应用以贵州省为例

doi: 10.13544/j.cnki.jeg.2014.03.017
基金项目: 

贵州省国土资源厅科技项目(黔国土资源函[2010]39号)资助

详细信息
    作者简介:

    范强,男,博士研究生,主要从事地质灾害评价、监测预警等研究.Email:fanq@cdut.edu.cn

  • 中图分类号: P642.22

LANDSLIDES HAZARDS ASSESSMENT WITH WEIGHTS OF CASE STUDY IN GUIZHOU, CHINA

  • 摘要: 以GIS为技术平台,采用证据权法对研究区进行了滑坡地质灾害危险性分析。综合分析历史滑坡数据及其环境因素和触发因素,数据源主要有地形图、DEM、地质图,选取地层岩性、构造、高程、坡度、坡向、地形起伏度、道路、水系作为危险性评价因子。首先应用ArcGIS软件对数据源进行处理,提取各个评价因子图层,并对每个图层进行分级、缓冲区分析等处理,建立若干证据层。然后将历史灾害点与评价因子进行空间关联分析,计算每个评价因子等级的权重,最后计算出评价单元的危险性指数,并将危险性分为极高危险区、高危险区、中等危险区、低危险区。采用成功率曲线法对证据权法评价精度进行验证,结果表明本次评价的精度为71%。利用历史滑坡数据对评价结果进行验证,结果显示评价结果与实际情况较为吻合,说明证据权可以客观定量地评价各影响因子对滑坡的影响程度,该方法应用于区域地质灾害危险性评价比较有效。
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出版历程
  • 收稿日期:  2014-03-04
  • 修回日期:  2014-05-12
  • 刊出日期:  2014-06-25

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