多源数据融合技术在汶川地震生态环境影响应急评估中的应用

英文篇名：Technique of multi-source-data integration and fusion for urgent assessment of ecology and environment effect from Wenchuan Earthquake
中文刊名：生态学报
英文刊名：Acta Ecologica Sinica
作者：董仁才 ; 刘明 ; 徐卫华 ; 王学志 ; 欧阳志云
英文作者：DONG Ren-Cai1 ; LIU Ming2 ; XU Wei-Hua1 ; WANG Xue-Zhi1 ; OUYANG Zhi-Yun11 State Key Laboratory of Urban and Regional Ecology ; Research Center for Eco-Environmental Sciences ; Chinese Academy of Sciences ; Beijing 100085 ; China 2.Institute of Urban Environment ; Chinese Academy of Sciences ; Xiamen 361012 ; Fujian China
中文关键词：地震灾害 ; 遥感监测 ; 数据集成 ; 数据共享 ; 融合
英文关键词：earthquake disaster ; remote sensing monitoring ; data integration ; data sharing ; fusion
出版日期：2008-12-15
机构：中国科学院生态环境研究中心城市与区域生态国家重点实验室;中国科学院城市环境研究所;
年：2008
期：12
出版单位：生态学报

摘要

在实施汶川地震生态环境影响应急评估工作过程中,考虑到时间紧、范围大的现实情况,对空间数据处理技术与方法上进行了深入探索,成功地采用多源数据集成与融合技术,将不同传感器、不同空间分辨率、光谱分辨率、时间分辨率和不同格式的数据进行了集成与融合,大大提高了遥感影像的有效覆盖范围和灾害信息判读精度,快速、全面地实现了地震灾害对生态环境影响的初步评估,探索出应对巨灾后生态环境遥感监测与评估的基本方法与技术。最后,建议我国要加强生态环境本底数据库建设,完善部门间数据共享机制,促进多源数据集成与融合技术的推广与应用,为更好应对未来的生态灾难做准备。
The methodology and technique of spatial data processing were studied in the emergency assessment of Wenchuan Earthquake impacts on environment.The techniques of multi-source-data integration and fusion were used successfully to integrate data in different format which were collected from different sensors with different spatial,spectral and temporal resolution.The effective coverage of remote sensing image was expanded and the interpretation accuracy of information on disaster was improved.The primary assessment of earthquake disaster impacts on environment was finished quickly and comprehensively.The methodologies and techniques of using remote sensing technology were set up to monitor and evaluate heavy disaster impacts on environment.In order to strengthening the ability to cope with the future disaster,we suggest to emphasize the construction of environmental background database;strengthen and perfect the multi-sector data sharing mechanism and promote using the technique of multi-source-data integration and fusion in China.

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