| GIS技术在重庆市滑坡风险区划中的应用 |
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| 引用本文： | 张东明,李剑锋,田贵维,刘光鹏.GIS技术在重庆市滑坡风险区划中的应用[J].自然灾害学报,2011(3). |
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| 作者姓名： | 张东明 李剑锋 田贵维 刘光鹏 |
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| 作者单位： | 重庆大学资源及环境科学学院;重庆市地勘局南江水文地质工程地质队;重庆市地勘局208水文地质工程地质队;西南大学; |
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| 基金项目： | 国家自然科学基金(50604021) |
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| 摘 要： | 综合滑坡解译、滑坡空间数据库和管理地理信息系统成果,科学选取滑坡危险性和易损性评价因子,运用统计学的层次分析算法、G IS缓冲区分析、叠加分析、统计分析、三维分析等对滑坡体因子量化,进行了滑坡的风险评价和易损性评价。依据风险分级和易损性分级标准,通过克里金插值、重分类、数字转换、专家干预修正等实现风险性分区和易损性分区。以0.5作为滑坡风险评价中风险性和易损性属性数据,通过线性叠加最终实现了滑坡风险评价并划分出高、中、低3级滑坡风险区。
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| 关 键 词： | 滑坡 风险评价 地理信息系统 |
Application of GIS technology to risk zoning of landslide in Chongqing |
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| ZHANG Dong-ming,LI Jian-feng,TIAN Gui-wei,LIU Guang-peng.Application of GIS technology to risk zoning of landslide in Chongqing[J].Journal of Natural Disasters,2011(3). |
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| Authors: | ZHANG Dong-ming LI Jian-feng TIAN Gui-wei LIU Guang-peng |
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| Institution: | ZHANG Dong-ming1,LI Jian-feng2,TIAN Gui-wei3,LIU Guang-peng4(1.College of Resources and Environmental Science,Chongqing University,Chongqing 400030,China,2.Nanjiang Hydrogeological & Engineering Geology Brigade,Chongqing 401147,3.Bureau of Geological Exploration of Chongqing,208 Branch of Hydrogeology & Engineering,Chongqing 400700,4.Southwest University,Chongqing 400715,China) |
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| Abstract: | By synthesis of landslide interpretation,landslide spatial database and management of geographic information system(GIS) outcomes,landslide risk and vulnerability assessment factors were scientifically selected.The author completed risk assessment and vulnerability assessment by analytic hierarchy process of statistical analysis algorithms,GIS buffer analysis,superposition analysis,statistical analysis and three-dimensional analysis to quantify the landslide factors.Based on vulnerability rank and risk clas... |
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| Keywords: | landslide risk assessment GIS |
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