| 贝鲁特港口大爆炸InSAR形变追溯与建筑受损评估 |
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| 引用本文： | 何毅,王文辉,闫浩文,张立峰.贝鲁特港口大爆炸InSAR形变追溯与建筑受损评估[J].海洋测绘,2020,40(6):53-56. |
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| 作者姓名： | 何毅 王文辉 闫浩文 张立峰 |
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| 作者单位： | 兰州交通大学测绘与地理信息学院,甘肃兰州730070;地理国情监测技术应用国家地方联合工程研究中心,甘肃兰州730070;甘肃省地理国情监测工程实验室,甘肃兰州730070;兰州交通大学测绘与地理信息学院,甘肃兰州730070;地理国情监测技术应用国家地方联合工程研究中心,甘肃兰州730070;甘肃省地理国情监测工程实验室,甘肃兰州730070;兰州交通大学测绘与地理信息学院,甘肃兰州730070;地理国情监测技术应用国家地方联合工程研究中心,甘肃兰州730070;甘肃省地理国情监测工程实验室,甘肃兰州730070;兰州交通大学测绘与地理信息学院,甘肃兰州730070;地理国情监测技术应用国家地方联合工程研究中心,甘肃兰州730070;甘肃省地理国情监测工程实验室,甘肃兰州730070 |
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| 基金项目： | 中国博士后科学基金面上基金(2019M660092XB)；甘肃省自然科学基金(17JR5RA095)；兰州交通大学“天佑青年托举人才计划”基金(1520260109)；甘肃省教育厅项目(2019A-043)；兰州交通大学青年基金(2017002)；兰州交通大学优秀平台支持项目(201806) |
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| 摘 要： | 利用SBAS-InSAR技术和覆盖贝鲁特港口Sentinel-1B影像,对2020年8月4日发生的贝鲁特港口大爆炸进行形变追溯分析,并结合光学影像与SBAS-InSAR测量结果对大爆炸周围建筑受损程度进行评价。结果表明:贝鲁特港口大爆炸之前地表存在微弱的形变,大爆炸致使爆炸中心和周围产生了严重的形变。300m缓冲区内的大型仓库被夷为平地,爆炸中心产生了直径为140m的大坑;300~500m范围内仓库损坏严重,岸堤形变量小;500~1000m范围内的建筑在爆炸中受损程度较小。该研究探索了SBAS-InSAR技术在特大爆炸灾害监测领域的适用性,为类似大爆炸灾害的评估与追溯提供了思路。
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| 关 键 词： | 灾害遥感监测 贝鲁特港口大爆炸 Sentinel 1 InSAR 形变分析 |
InSAR Deformation Tracing and Assessment of Building Damage in Beirut Port |
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| HE Yi,WANG Wenhui,YAN Haowen,ZHANG Lifeng.InSAR Deformation Tracing and Assessment of Building Damage in Beirut Port[J].Hydrographic Surveying and Charting,2020,40(6):53-56. |
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| Authors: | HE Yi WANG Wenhui YAN Haowen ZHANG Lifeng |
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| Abstract: | In this paper,the Sentinel-1B image of Beirut Port is used to conduct deformation tracing analysis of the Beirut Port Big Explosion that took place on 08/04/2020,and the damage degree of the buildings around the big explosion was evaluated by combining the optical image and the measured results of SBAS-InSAR.The results show that there was weak deformation on the surface of Beirut port before the big explosion.And severe deformation was caused in and around the explosion center by the big explosion.Over 300m large warehouses in the buffer zone were razed to the ground,creating a 140m diameter crater at the center of the explosion.The warehouse was seriously damaged within the range of 300~500m,and the variable of bank embankment shape was small; Buildings within a range of 500 to 1000m were less damaged in the explosion.This paper explores the applicability of SBAS-InSAR technology in the field of monitoring large explosion hazards,and provides the ideas for the assessment and tracing of similar big explosion hazards. |
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