玉树7.1级地震地质灾害发展趋势分析  

Development Tendency of Geo-hazards Induced by the Yushu Ms7. 1 Earthquake

作　　者：王佳运[1] 张茂省[1] 张成航[1] 高波[1] 冯卫[1] 

机构地区：[1]国土资源部黄土地质灾害重点实验室/中国地质调查局西安地质调查中心,陕西西安710054

出　　处：《灾害学》2013年第4期61-66,共6页Journal of Catastrophology

基　　金：中国地质调查局地质调查项目(12120113008800)

摘　　要：在参与玉树7.1级地震震区地质灾害应急调查、汛期隐患排查的基础上,收集、整理前人调查与研究的成果数据,分析了震后玉树震区的地质灾害发育特征,并进一步研究了震后玉树灾区地质灾害可能的持续时间、演化趋势以及高风险区的分布区域。结果表明,震后玉树灾区地质灾害将持续10年左右,并以周期震荡式的衰减下降,最终恢复到震前水平;震后地质灾害高风险区将分布在巴塘河谷、结古镇周边山区与郭央烟宋多附近。Based on field investigation, collection and statistics of data pre-and post-earthquake, the development characteristics of geo-hazards post-earthquake are analyzed. And then, duration, development tendency and high risk distribution areas of the geo-hazards post-earthquake are analyzed. It proved that the active duration of the geo-hazards post-earthquake will be lOa, which decline periodically and wavily to the active level of geo-hazards pre-earthquake; the high risk areas are located in valley of Batang river, the northern and southern mountains around the Jiegu town and the area near the Guoyangyansongduo village.

关 键 词：玉树7 1级地震 地质灾害 发育特征 持续时间 发展趋势 

分 类 号：X43[环境科学与工程—灾害防治]