IOCAS-IR  > 海洋地质与环境重点实验室
Large-area land subsidence monitoring and mechanism research using the small baseline subset interferometric synthetic aperture radar technique over the Yellow River Delta, China
Liu, Yilin1,2; Huang, Haijun1; Dong, Jinfa3
2015-08-20
发表期刊JOURNAL OF APPLIED REMOTE SENSING
卷号9期号:9页码:096019
文章类型Article
摘要The Yellow River Delta, the largest and most rapidly growing delta in China, has undergone severe land subsidence. However, land subsidence has not been regularly and fully measured in this large region and no consensus has been reached as to the primary cause. Here, the small baseline subset interferometric synthetic aperture radar (InSAR) method is applied to retrieve time-series deformation and the full land subsidence pattern in the Yellow River Delta. Spirit leveling data and a standard deviation map are used to verify the InSAR results and measurement accuracy. The major subsidence regions, which have a maximum subsidence rate ranging from 20 to more than 70 mm/year, cover a total of similar to 800 km(2) and are mainly concentrated in the groundwater source areas. An intimate connection of surface deformation with groundwater suggests that land subsidence is primarily caused by excessive exploitation of groundwater. In addition, comparison of the surface deformation with the precipitation record indicates that the seasonal land subsidence correlates with the rainfall rate, with a lag time of around 1 to 2 months between the precipitation peak and the minimum land subsidence displacement. The results provide new insights into land subsidence mechanisms in the Yellow River Delta. A key policy priority should, therefore, be to plan for controlling anthropogenic activities and better management of groundwater. (C) 2015 Society of Photo-Optical Instrumentation Engineers (SPIE)
关键词Deltaic Land Subsidence Small Baseline Subset-interferometric Synthetic Aperture Radar StanFord Method For Persistent Scatterers Groundwater Precipitation
DOI10.1117/1.JRS.9.096019
收录类别SCI
语种英语
WOS记录号WOS:000359817600001
引用统计
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/49845
专题海洋地质与环境重点实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Tianjin Nav Instruments Inst, Tianjin 300131, Peoples R China
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Liu, Yilin,Huang, Haijun,Dong, Jinfa. Large-area land subsidence monitoring and mechanism research using the small baseline subset interferometric synthetic aperture radar technique over the Yellow River Delta, China[J]. JOURNAL OF APPLIED REMOTE SENSING,2015,9(9):096019.
APA Liu, Yilin,Huang, Haijun,&Dong, Jinfa.(2015).Large-area land subsidence monitoring and mechanism research using the small baseline subset interferometric synthetic aperture radar technique over the Yellow River Delta, China.JOURNAL OF APPLIED REMOTE SENSING,9(9),096019.
MLA Liu, Yilin,et al."Large-area land subsidence monitoring and mechanism research using the small baseline subset interferometric synthetic aperture radar technique over the Yellow River Delta, China".JOURNAL OF APPLIED REMOTE SENSING 9.9(2015):096019.
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