Dynamic analysis of the Wenchuan Earthquake disaster and reconstruction with 3-year remote sensing data  

作　　者：Huadong Guo Liangyun Liu Liping Lei Yanhong Wu Liwei Li Bing Zhang Zhengli Zuo Zhen Li 

机构地区：[1]Key Laboratory of Digital Earth Science,Center for Earth Observation and Digital Earth,Chinese Academy of Sciences,Beijing 100190,China

出　　处：《International Journal of Digital Earth》2010年第4期355-364,共10页国际数字地球学报（英文）

基　　金：supported by National Basic Research Program of China(973 Program,Nos.2009CB723906,2009CB723902);National 863 Program(2009AA12Z102).

摘　　要：Earth observation is an effective technique that plays an important role in earthquake damage reduction and reconstruction.This paper introduces the results of dynamic analysis on monitoring and assessing heavily impacted areas affected by the Wenchuan Earthquake using remote sensing data acquired in the past 3 years from 2008 to 2010.Immediately after the disaster on 12 May 2008,the Chinese Academy of Sciences launched a project entitled‘Wenchuan Earthquake Disasters Monitoring and Assessment Using Remote Sensing Technology.’More than 400 images from 17 satellites and 20.2TB airborne remote sensing data were acquired to facilitate quick monitoring and evaluation of severely damaged areas in 14 counties.Results of the image analyses were forwarded on a timely basis to assist with consultative service and decisionmaking support.In subsequent years,in order to monitor the process of environmental restoration and reconstruction,airborne optical remote sensing images covering most of the severely damaged areas were again acquired in May 2009 and April 2010.These images were analyzed and compared along with images from 2008.Results were useful in support of further work on environmental protection and reconstruction in earthquake-damaged areas.Three typical areas were selected for illustrative purposes including Tangjiashan Barrier Lake,Beichuan County,and counties of Yingxiu and the new Beichuan.These results well demonstrate the importance and effectiveness of the utility of earth observation for disaster mitigation and reconstruction.

关 键 词：Wenchuan Earthquake earth observation disaster mitigation RECONSTRUCTION 

分 类 号：P31[天文地球—固体地球物理学]