| Primary Quantitative Study on Earthquake Damage Extracted from Remote Sensing Imagery——A Case Study of Seismic Damage in the Urban Area of Dujiangyan due to the M_S8.0 Wenchuan Earthquake |
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| 作者姓名： | Wang Xiaoqing[] Wang Long[] Zhang Xihai[] Ding Xiang[] Qiu Hu[] Dong Yanfang[] DouAixia[] Zhang Feiyu[] Liu Zaitao[] |
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| 作者单位： | Wang Xiaoqing,Wang Long,Ding Xiang,Dong Yanfang,Dou Aixia,Zhang Feiyu(Institute of Earthquake Science,China Earthquake Administration,Beijing 100036,China);Zhang Xihai(Earthquake Administration of Jiangsu Province,Nanjing 210014,China);Qiu Hu(Earthquake Administration of Tianjin Municipality,Tianjin 300201,China);Liu Zaitao(China Earthquake Networks Center,Beijing 100045,China) |
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| 摘 要： |
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| 关 键 词： | 航空遥感图像 震害指数 地震应急 都江堰市 汶川 小学 提取 市区 |
Primary Quantitative Study on Earthquake Damage Extracted from Remote Sensing Imagery-A Case Study of Seismic Damage in the Urban Area of Dujiangyan due to the Ms8.0 Wenchuan Earthquake |
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| Wang Xiaoqing,Wang Long,Zhang Xihai,Ding Xiang,Qiu Hu,Dong Yanfang,DouAixia,Zhang Feiyu,Liu Zaitao.Primary Quantitative Study on Earthquake Damage Extracted from Remote Sensing Imagery-A Case Study of Seismic Damage in the Urban Area of Dujiangyan due to the Ms8.0 Wenchuan Earthquake[J].Earthquake Research in China,2009,23(4):392-401. |
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| Authors: | Wang Xiaoqing[] Wang Long[] Zhang Xihai[] Ding Xiang[] Qiu Hu[] Dong Yanfang[] DouAixia[] Zhang Feiyu[] and Liu Zaitao[] |
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| Institution: | [1]Institute of Earthquake Science, China Earthquake Administration, Beijing 100036, China [2]Earthquake Administration of Jiangsu Province, Nanjing 210014, China [3]Earthquake Administration of Tianjin Municipality, Tianjin 300201, China [4]China Earthquake Networks Center, Beijing 100045, China |
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| Abstract: | The fast developing remote sensing techniques play an increasingly important role in earthquake emergency response, disaster survey and loss estimation. As there is a lack of quantitative studies on seismic damage based on remote sensing, its practicality in seismic disaster management has usually been questioned. The paper introduces the essential quantitative study idea, the concept of the remote sensing seismic damage index (DRS_I RS) and analysis models, demonstrates the seismic damage indices (DG_IC) of buildings obtained from ground surveying and its quantitative relation to DRS_I RS in Dujiangyan city, Sichuan Province, which was destroyed by the 2008 Wenchuan earthquake with M_S8.0. The primary results show that an obvious relationship exists between the DRS_I RS of buildings obtained from the high resolution satellite or aerial remote sensing images and DG_I C or the building collapse ratio obtained through ground survey, which suggests that the quantitative study on seismic damage based on remote sensing will provide an effective method for seismic damage survey and loss estimation. |
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| Keywords: | Seismic damage index Remote sensing Wenchuan earthquake Quantitative study |
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