上海国土资源Issue(3)：57-60,100,5.DOI:10.3969/j.issn.2095-1329.2012.03.015
基于GIS的震后汶川潜在泥石流危险性评价
GIS-Based Hazard Assessment for Potential Debris Flows in Wenchuan County After M8.0 Earthquake
唐尧 1杨武年2
作者信息
- 1. 中化地质矿山总局化工地质调查总院,北京100013
- 2. 成都理工大学地球科学学院遥感与GIS研究所,成都610059
- 折叠
摘要
Abstract
The May 12,2008 M8.0 earthquake in Wenchuan caused great loss of life and significant destruction of property, and caused a significant amount of discussion of post-disaster reconstruction and planning. This article presents an analysis of the timing and spatial distribution of landslides and collapses after the Wenchuan earthquake, and has established a single-val ey hazard assessment model to assess the landslide and col apse risk for a total of 57 potential debris flow val eys using a watershed model in combination with improved post-earthquake debris flow modeling and evaluation factors derived from the diminishing amount of debris flow material with increasing distance from individual val eys. Field investigations and data validation indicate that our evaluation approach was robust and accurate, and can provide technical support for post-earthquake reconstruction planning and the future prevention of geological disasters.关键词
泥石流/危险性评价/地震次生灾害/地质灾害防治/GISKey words
debris flow/hazard assessment/secondary disaster of earthquake/prevent and control of geological disaster/GIS分类
天文与地球科学引用本文复制引用
唐尧,杨武年..基于GIS的震后汶川潜在泥石流危险性评价[J].上海国土资源,2012,(3):57-60,100,5.
