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| 基于信息量模型的玉树地震次生地质灾害危险性评价 | |
| 引用本文： | 牛全福,程维明,兰恒星,刘勇,颉耀文.基于信息量模型的玉树地震次生地质灾害危险性评价[J].山地学报,2011,29(2). |
| 作者姓名： | 牛全福 程维明 兰恒星 刘勇 颉耀文 |
| 作者单位： | 1. 兰州大学资源环境学院,甘肃,兰州,730020;中国科学院地理科学与资源研究所资源与环境信息系统国家重点实验室,北京,100101;甘肃省电力设计院,甘肃,兰州,730050 2. 中国科学院地理科学与资源研究所资源与环境信息系统国家重点实验室,北京,100101 3. 兰州大学资源环境学院,甘肃,兰州,730020 |
| 基金项目： | 863专题，国家自然科学面上基金项目，国家科技支撑计划 |
| 摘 要： | 2010-04-14发生在青海省玉树的Ms7.1级地震引发了大量的地质灾害.基于GIS技术和信息量模型方法,以坡度、坡向、高程、坡形、地貌类型、断层距和地层岩性为评价因子,通过空间分析计算各因子的信息量,分析地质灾害在各因子中的空间分布特征,对各评价因子图层进行空间建模,将获取的信息量图划分为高度、中度、轻度三级危险区,通过遥感解译研究区实际滑坡分布,与危险性分布图叠加表明:本次研究得出的危险等级与实际的滑坡发生情况相吻合,为灾区重建提供参考依据. |
| 关 键 词： | 地质灾害 信息量模型 评价因子 危险性评价 |
Susceptibility Assessment of Secondary Geological Disaster Based on Information Value Methodology for Yushu Earthquake Region |
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| NIU Quanfu,CHENG Weiming,LAN Hengxing,LIU Yong,XIE Yaowen.Susceptibility Assessment of Secondary Geological Disaster Based on Information Value Methodology for Yushu Earthquake Region[J].Journal of Mountain Research,2011,29(2). | |
| Authors: | NIU Quanfu CHENG Weiming LAN Hengxing LIU Yong XIE Yaowen |
| Institution: | NIU Quanfu1,2,3,CHENG Weiming2,LAN Hengxing2,LIU Yong1,XIE Yaowen1(1.College of Earth and Environmental Science Lanzhou University Lanzhou 730020,China,2.State Key Laboratory of Resources and Environmental Information System,Institute of Geographic Sciences and Natural Resources Research,CAS,Beijing 100101,3.Gansu Provincial Electric Power Design Institute,Lanzhou 730050,China) |
| Abstract: | Yushu Ms7.1 earthquake,occurred on 14 April 2010 in Qinghai province induced a kind of secondary geological disasters.Based on GIS and information value methodology,taking the factors including slope,aspect,altitude,morphology,slope characteristics,geomorphologic types,fault and lithology as assessment factors,information value of secondary geological disasters in different assessment factors was calculated by means of ArcGIS.Then the spatial distribution of secondary geological disasters in each of assessm... |
| Keywords: | geological disaster information value methodology assessment factors susceptibility assessment |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |