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作 者:钟储汉[1] 王强 王霞迎 张双成[3] 牛玉芬 ZHONG Chuhan;WANG Qiang;WANG Xiaying;ZHANG Shuangcheng;NIU Yufen(SINOPEC Petroleum Engineering Corporation,49 Jinan Road,Dongying 257026,China;Faculty of Geomatics,East China University of Technology,418 Guanglan Road,Nanchang 330013,China;School of Geological Engineering and Geomatics,Chang’an University,126 Yanta Road,Xi’an 710054,China;School of Mining and Geomatics Engineering,Hebei University of Engineering,19 Taiji Road,Handan 056038,China)
机构地区:[1]中石化石油工程设计有限公司,山东省东营市257026 [2]东华理工大学测绘工程学院,南昌市330013 [3]长安大学地质与测绘工程学院,西安市710054 [4]河北工程大学矿山与测绘工程学院,河北省邯郸市056038
出 处:《大地测量与地球动力学》2021年第7期727-731,共5页Journal of Geodesy and Geodynamics
摘 要:基于2019年Sentinel-1的28景降轨InSAR数据,监测东营市年均沉降速率,分析并相互验证处于不同季节的两个干涉对及各形变中心的时序变化情况。结果表明,东营市存在5个大范围的沉降区域,均位于东营市沿海区域,最大沉降速率约为300 mm/a,沉降特征因地下水抽取、石油开采与卤水开发等地下流体开采类型不同而具有明显的季节性特征,但总体上各形变区域每年1~5月表现为较大线性速率的沉降,6~12月出现不同程度回弹后又缓慢沉降,干涉对剖线的形变趋势同时可验证时序结果的正确性。On the basis of 28-scene descending orbit InSAR data of Sentinel in 2019,we monitor the average annual subsidence rate of Dongying city,and analyze and verify the time series of two interferometries and various deformation centers in different seasons.The results show that there are five subsidence areas in Dongying city,all located in the coastal area.The maximum annual rate of subsidence is nearly 300 mm/a.The subsidence characteristics are different from the types of underground fluid extraction,such as groundwater extraction,oil exploitation and brine development,and have obvious seasonal characteristics.In general,each deformation area shows a large linear rate of settlement from January to May,and rebounds to different degrees and then slowly subsides from June to December.The deformation trend of the interferometry profile also qualitatively verifies the correctness of time series deformation.
关 键 词:东营 INSAR 地面沉降 石油开采 地下水抽取
分 类 号:P258[天文地球—测绘科学与技术]
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