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 |
DOI | 10.1117/1.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 |
第一作者单位 | 中国科学院海洋研究所 |
推荐引用方式 GB/T 7714 | 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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Large-area land subs(7807KB) | 期刊论文 | 出版稿 | 限制开放 | CC BY-NC-SA | 浏览 |
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