利用高分辨率夜光影像开展土叙地震灾害评估  

Turkey-Syria Earthquake Assessment Using High-Resolution Night-time Light Images

作　　者：李熙[1] 曹汉瑞 巩钰 LI Xi;CAO Hanrui;GONG Yu(State Key Laboratory of Information Engineering in Surveying,Mapping and Remote Sensing,Wuhan University,Wuhan 430079,China)

机构地区：[1]武汉大学测绘遥感信息工程国家重点实验室,湖北武汉430079

出　　处：《武汉大学学报（信息科学版）》2023年第10期1697-1705,共9页Geomatics and Information Science of Wuhan University

基　　金：国家重点研发计划(2019YFE0126800);国家自然科学基金(42271371)。

摘　　要：2023-02-06,土耳其南部相继发生Mw 7.8和Mw 7.5地震,土耳其和叙利亚两国遭受了重大人员伤亡和财产损失,快速评估灾区受灾情况对地震应急救援和灾后重建具有重要意义。利用震前的可持续发展科学卫星1号夜光影像和震后的仰望一号夜光影像,采用多元幂函数回归模型对两类影像进行了相对辐射定标,使用定标后的影像对土耳其阿德亚曼市和安塔基亚市-德芙内市进行了灾害评估。结果显示,所提的相对辐射定标模型能有效提升异源夜光影像之间的可比性;3座严重受灾城市在地震后出现大范围停电,建成区内超过50%的区域灯光损失率高于80%,建成区整体灯光损失率超过70%。结果表明,异源高分辨率夜光影像能有效评估自然灾害对城市的影响,评估结果可为当地政府部门应急决策及震后重建提供帮助。Objectives The Turkey-Syria earthquake occurred on February 6th,2023,and caused heavy casualties and property losses.This paper used high-resolution night-time light images to assess the damage of the affected cities.Methods A multivariate power function regression model was used for intercalibration between sustainable development goals satellite-1(SDGSAT-1)and Yangwang-1 night-time light images.And the disaster assessment was carried out in the cities of Adiyaman and Antakya-Defne in Turkey.Results The results show that the power facilities of Adiyaman and Antakya-Defne were severely damaged in the earthquake.The light loss rate of more than half of the building area exceeded 80%,and the overall light loss rate of the building area exceeded 70%.Additionally,the light loss rate in the east of Adiyaman was higher than that in the west,and the light loss rate in the downtown area of Antakya-Defne was higher than that in the suburbs.Conclusions The high-resolution night-time light images can effectively assess the impact caused by natural disasters,and the assessment results can also help local government departments guide emergency relief and reconstruction work after the earthquake.

关 键 词：土叙地震 夜光遥感 可持续发展科学卫星1号 仰望一号 灾害评估 

分 类 号：P237[天文地球—摄影测量与遥感]