RS and GIS-based Statistical Analysis of Secondary Geological Disasters after the 2008 Wenchuan Earthquake

被引：0
|
作者：
CHEN Jianping~(1
机构：
来源：
Acta Geologica Sinica(English Edition) | 2009年 / 83卷 / 04期
关键词：
secondary geological disaster; disaster grade; quantitative prediction and evaluation;
D O I：
暂无
中图分类号：
P315.9 [工程地震]; P208 [测绘数据库与信息系统]; P237 [测绘遥感技术];
学科分类号：
070503 ; 070801 ; 081603 ; 0818 ; 081802 ; 1404 ;
摘要：
Using RS and GIS means,this article analyzes the general geological characteristics and the structural belt distribution features in Wenchuan County,Sichuan province,P.R.China as well as the characteristics of the large-scale landslides,mud-rock flows,earthquake lakes,etc.,after the earthquake on May 12,2008.Based on the above work,comprehensive indoor and outdoor research is launched on disaster distribution characteristics and their relationship with earthquakes,terrains, strata,lithology,and structures.Weights of evidence method is utilized to quantitatively analyze and evaluate the spatial distribution of secondary geological disasters after the earthquake occurred.3 remedying grades for secondary geological disasters are derived from the results of the weights of Evidence,followed by suggestions given to remedy earthquake secondary disasters.
引用
收藏
页码：776 / 785
页数：10
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