杨云飞;李金平;
YANG Yun-fei;LI Jin-ping;Department of Geography, Yunnan Normal University;Engineering Research Center of Western Resource and Environmental Geographic Information Technology of Ministry of Education;

• 1:云南师范大学地理学部
• 2:西部资源环境地理信息技术教育部工程研究中心

摘要(Abstract)：

为探索城市爆炸形变特征,通过InSAR技术分别获取了2015年天津港爆炸、2019年响水爆炸和2020年贝鲁特爆炸地表形变场,得到其爆炸形变特征。结果表明:爆炸产生形变场具有明显的不连续性、振荡性,与监测到的天然地震产生的具有连续性特征形变场明显不同。同时基于获取的形变值与空气冲击波超压值构建了除破坏等级在完全破坏范围以外的城市爆炸形变模型。
In order to explore the explosion deformation characteristics in urban areas, the ground deformation fields of the Tianjin Port explosion in 2015, the Xiangshui explosion in 2019, and the Beirut explosion in 2020 were obtained through the InSAR technology, and the explosion deformation characteristics were obtained. The results show that the deformation field produced by explosion has obvious discontinuity and oscillation, which is obviously different from the continuous characteristic deformation field produced by the monitored natural earthquake. Based on the obtained deformation value and the overpressure value of the air shock wave, an urban explosion deformation model except for the full damage range was constructed.

关键词(KeyWords)： InSAR;爆炸;形变场;天然地震;卫星影像
InSAR;explosion;deformation field;natural earthquake;satellite image

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(41861057)

作者(Authors): 杨云飞;李金平;
YANG Yun-fei;LI Jin-ping;Department of Geography, Yunnan Normal University;Engineering Research Center of Western Resource and Environmental Geographic Information Technology of Ministry of Education;

DOI: 10.19931/j.EB.20200194

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