气候变化领域集成服务门户(CCPortal): Land subsidence lagging quantification in the main exploration aquifer layers in Beijing plain, China

CCPortal

DOI	10.1016/j.jag.2018.09.003
	Land subsidence lagging quantification in the main exploration aquifer layers in Beijing plain, China
	Chen B.; Gong H.; Lei K.; Li J.; Zhou C.; Gao M.; Guan H.; Lv W.
发表日期	2019
ISSN	15698432
起始页码	54
结束页码	67
卷号	75
英文摘要	Land subsidence is rapidly developing across the Beijing Plain, China. Long-term intense overexploitation of groundwater is the main reason for land subsidence in Beijing. In this study, an optimized Small Baseline Subset (SBAS) interferometry method was developed to process 46 RADATSAT-2 images from 2011 to 2015 to investigate the spatial and temporal dynamics of land subsidence in the Beijing Plain. The lag time between land subsidence and groundwater exploitation was first analyzed by the Continuous Wavelet Transform (CWT) and Cross Wavelet Transform (XWT) methods Our study found that the maximum subsidence rate reached 141 mm per year. The analysis of the areas and volumes of the annual subsidence rates indicated that the overall deformation trend slowed down from 2011 to 2015. Our results indicate that the subsidence center is always located in the southeast of Chaoyang District from 2011 to 2015. The lag time between the observed subsidence and the groundwater level drops in the main exploration aquifer layers was 0.57–1.76 months. This information is helpful to reveal the mechanism of land subsidence and build hydrogeological model. © 2018
英文关键词	Groundwater; InSAR; Lag time; Land subsidence
语种	英语
scopus关键词	aquifer; groundwater exploration; hydrogeology; interferometry; quantitative analysis; RADARSAT; satellite imagery; subsidence; synthetic aperture radar; Beijing Plain; Beijing [China]; Chaoyang; China; Liaoning; North China Plain
来源期刊	International Journal of Applied Earth Observation and Geoinformation
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/156540
作者单位	Base of the State Key Laboratory of Urban Environmental Process and Digital Modeling, Capital Normal University, Beijing, 100048, China; College of Geospatial Information Science and Technology, Capital Normal University, Beijing, 100048, China; College of Resources Environment and Tourism, Capital Normal University, Beijing, 100048, China; Beijing Institute of Hydrogeology and Engineering Geology, Beijing, 100195, China; Department of Geosciences, University of Massachusetts, Amherst, United States
推荐引用方式 GB/T 7714	Chen B.,Gong H.,Lei K.,et al. Land subsidence lagging quantification in the main exploration aquifer layers in Beijing plain, China[J],2019,75.
APA	Chen B..,Gong H..,Lei K..,Li J..,Zhou C..,...&Lv W..(2019).Land subsidence lagging quantification in the main exploration aquifer layers in Beijing plain, China.International Journal of Applied Earth Observation and Geoinformation,75.
MLA	Chen B.,et al."Land subsidence lagging quantification in the main exploration aquifer layers in Beijing plain, China".International Journal of Applied Earth Observation and Geoinformation 75(2019).