Analysis of Post-earthquake Reconstruction for Wenchuan Earthquake based on Night-time Light Data from DMSP/OLS

被引：1
|
作者：
Cao Yang [1 ,2 ]
Zhang Jing [1 ,2 ]
Yang Mingxiang [3 ]
Lei Xiaohui [3 ]
机构：
[1] Capital Normal Univ, Base State Lab Urban Environm Proc & Digital Mode, Beijing 100048, Peoples R China
[2] Capital Normal Univ, Minist Educ, Key Lab Informat Acquisit & Applicat 3D, Beijing 100048, Peoples R China
[3] China Inst Water Resource & Hydropower Res, Beijing 100038, Peoples R China
来源：
NINTH INTERNATIONAL CONFERENCE ON DIGITAL IMAGE PROCESSING (ICDIP 2017) | 2017年 / 10420卷
关键词：
DMSP/OLS night-time light data; Wenchuan earthquake; CNLI; IMAGES;
D O I：
10.1117/12.2281758
中图分类号：
TB8 [摄影技术];
学科分类号：
0804 ;
摘要：
At present, most of Defense Meteorological Satellite Program's Operational Linescan System (DMSP/OLS) night-time light data are applied to large-scale regional development assessment, while there are little for the study of earthquake and other disasters. This study has extracted night-time light information before and after earthquake within Wenchuan county with adoption of DMSP/OLS night-time light data. The analysis results show that the night-time light index and average intensity of Wenchuan county were decreased by about 76% and 50% respectively from the year of 2007 to 2008. From the year of 2008 to 2011, the two indicators were increased by about 200% and 556% respectively. These research results show that the night-time light data can be used to extract the information of earthquake and evaluate the occurrence of earthquakes and other disasters.
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页数：4
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