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引用本文:

DOI:

10.11834/jrs.20232093

收稿日期:

2022-03-03

修改日期:

2022-08-03

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地震灾害损失评估与遥感技术:现状和展望
安立强1, 张景发2, Ricardo Monteiro3, 张磊4
1.中国地震局工程力学研究所;2.应急卫星工程与应用应急管理部重点实验室;3.意大利帕维亚高等研究院,帕维亚,意大利;4.天津市地震局
摘要:

地震灾害损失评估是地震震前应急准备、震后应急响应和恢复重建的重要工作内容。随着地震灾害风险的加剧以及对防灾减灾救灾工作需求的提升,近年来地震灾害损失评估技术得到较快的发展。同时,随着遥感技术进入大数据、智能化时代,遥感数据在地震灾害损失评估中也得到了广泛的应用。本文对地震灾害损失评估及其中遥感技术应用的发展进行了梳理:首先回顾了地震灾害损失评估的发展现状,对比分析了国内外地震灾害损失评估软件平台的异同点;归纳了人口和经济损失估计的典型方法;然后分别对震后遥感灾害损失评估以及基于遥感的震害预测方法现状进行了总结。最后本文讨论了目前地震灾害损失评估工作存在的一些问题并提出了相应的建议,在此基础上对遥感数据应用于地震灾害损害评估工作的趋势进行了展望。

A Review and Prospect of Earthquake Damage Assessment and Remote Sensing
Abstract:

Earthquake loss assessment is an important part of both earthquake emergency preparedness, emergency response and reconstruction. With the higher awareness to earthquake risk and the increasing demand for earthquake protection and disaster reduction, earthquake disaster loss assessment technology has achieved rapid development in recent years. At the same time, as remote sensing technology enters the era of big data, remote sensing data starts to be widely used in earthquake loss assessment. In this context, this paper firstly reviews and summarizes the development of earthquake loss assessment and its use of remote sensing techniques. (1) Reviews the development of earthquake loss assessment, and compares and analyzes the differences between a loss calculation method and the main functions of the Earthquake loss assessment software platforms at home and abroad. (2) The calculation method of estimating casualties, injuries and economic loss is summarized according to whether or not structural damage is taken into account. (3) Summarizes the development of emergency earthquake loss assessment methods and earthquake loss prediction methods based on remote sensing. (4) As a population and GDP data spatialization tool, the application prospect of night light remote sensing data in earthquake disaster loss is analyzed. Then the following conclusions can be drawn: (1) In recent years, the calculation granularity of the domestic earthquake disaster loss estimation system has gradually become finer, and the applied structural damage estimation method has changed from the traditional empirical earthquake damage matrix to the fragile curve, and the system application scenario has developed from the post-earthquake period to the full-time application; (2) Seismic loss assessment based on macro data and historical earthquake cases is easy to calculate, but its reusability needs to be improved. Comparatively, various sophisticated methods considering building losses are logical reasoning but restricted by data completeness to varying degrees. (3) The post-earthquake loss assessment technology and earthquake damage prediction technology based on remote sensing have been gradually improved, and the current development trend is multi-source remote sensing data and intelligent remote sensing data analysis method. Finally, this paper summarizes some problems existing in the current earthquake loss assessment work, including data completeness hinders the promotion of new methods, the lack of a national common business platform, and the lack of uncertainty expression. Finally, some suggestions are put forward, such as (1) Further develop the role of remote sensing data in the entire process of earthquake disaster loss estimation. (2) Build a professional, high-quality, national unified earthquake disaster risk management platform. (3) Enrich and develop the expression of earthquake disaster assessment results from the perspective of the audience.

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