Land subsidence is the disaster phenomenon of environmental geology with regionally surface altitude lowering caused by natural or man-made factors. Beijing, capital city China, has suffered from land since 1950s, and extreme groundwater extraction led to rates more than 100 mm/year. In this study, we employ two SAR datasets acquired Envisat TerraSAR-X satellites investigate deformation in Beijing Plain 2003 2013 based on multi-temporal InSAR technique. Furthermore, also use observation...

Beijing is severely affected by land subsidence, and rapid urbanisation building construction might accelerate the subsidence process. Based on 39 Envisat Advanced Synthetic Aperture Radar (ASAR) images acquired between 2003–2010, 55 TerraSAR-X 2010–2016, urban information, we analysed relationship buildings at regional, block, scales. The results show that surface displacement rate in area ranged from −109 mm/year to +13 −151 +19 2010–2016; two bowls were mainly distributed eastern part of...

The long-term overexploitation of groundwater leads to serious land subsidence and threatens the safety Beijing-Tianjin-Hebei (BTH). In this paper, an interferometric point target analysis (IPTA) with small baseline subset InSAR (SBAS-InSAR) technique was used derive in a typical BTH area from 2012 2018 126 Radarsat-2 184 Sentinel-1 images. reveals that average rate reached 118 mm/year 2018. Eleven features were identified: Shangzhuang, Beijing Airport, Jinzhan Heizhuanghu Beijing, Guangyang...

Land subsidence is a global environmental geological hazard caused by natural or human activities. The high spatial resolution and continuous time coverage of interferometric synthetic aperture radar (InSAR) series analysis techniques provide data basis for the development methods investigation evolution mechanism study regional land subsidence. Beijing, capital city China, has suffered from decades since it was first recorded in 1950s. It reported that uneven ground fractures have seriously...

The over exploitation of groundwater has seriously restricted the healthy development social economy in North China Plain (NCP). study change storage at different time scales is helpful to understand characteristics dynamic changes and real-time management. Based on Gravity Recovery Climate Experiment (GRACE) satellite products Global Land Data Assimilation System (GLDAS) data, this paper analyses seasonal long-term trend NCP from June 2003 2017 by using adaptive Ensemble Empirical Mode...

Over-exploitation of groundwater is the principal anthropogenic trigger for land subsidence in North China Plain (NCP). With promulgation policies on extraction restrictions and bans, seasonal fluctuations uplift have begun to occur some typical areas NCP. In order explore subsidence-rebound drivers, this study takes Dezhou City, a area NCP, as selects main drivers climate change: precipitation evapotranspiration driver human activities: extraction, which together forms background regional...

Beijing-Tianjin High Speed Railway is the first high-speed railway in China. The Beijing section of it runs through areas affected by subsidence which threaten its safe operation. This study develops a new time series fusion method based on minimum gradient difference fitting curve to produce along this section. Through blending Envisat ASAR and TerrSAR-X series, InSAR-derived spatial–temporal development was analyzed railway. relationship between causes then explored using maximum entropy...

In the Beijing Plain, land subsidence is one of most prominent geological problems, which affected by multiple factors. Groundwater exploitation, thickness Quaternary deposit and urban development construction are important factors affecting formation subsidence. Here we choose groundwater level change, index-based built-up index (IBI) as influencing factors, use influence to predict amount in Plain. The Sentinel-1 radar images persistent scatters interferometry (PSI) were adopted obtain...

The underground railway network of Beijing City, China, which is an important urban infrastructure, has burgeoned with the expansion city. However, influence subway construction and operation on local subsidence received minimal attention. By analyzing Radarsat-2 synthetic aperture radar satellite data, using persistent scatterer interferometry, we revealed land characteristics along Subway Line 6. In context subsidence, expectation (Ex) reflects overall level while entropy (En) degree...

Beijing, as the capital of China, suffers severe subsidence caused by groundwater withdrawal. In this paper, SBAS-InSAR technique was used to detect surface deformations in Beijing plain. 47 scenes Envisat ASAR images obtained during June 2003 August 2010, and 24 Radarsat-2 November 2010 December 2013 were employed retrieve vertical deformation characteristic over area. The magnitude, evolution process spatial distribution representative targets that occurred 11 years retrieved. displacement...

Geological disasters, including ground deformation, fractures and collapse, are serious problems in coal mining regions, which have threatened the sustainable development for local industry. The Ordos Basin is most known its abundant resources. Over-mining underground resources had induced land deformation. Detecting evolution of deformation features identifying potential risk important decision-makers to prevent geological disasters. We analyzed subsidence by a 200 km 2 area time period...

This is the first study to inverse leaf area index (LAI) with photon counting LiDAR (i.e., Ice, Cloud, and Land Elevation Satellite-2/Advanced Topographic Laser Altimeter System, ICESat-2/ATLAS). A new framework composed of three major steps was applied: noise removal algorithm, classification LAI estimation model. To evaluate feasibility accuracy ICESat-2 derived LAI, MODIS (Moderate Resolution Imaging Spectroradiometer) product at spatial resolution 500-m over two sites (Amazon rainforest...

Groundwater resources have been exploited and utilized on a large scale in the North China Plain (NCP) since 1970s. As result of extensive groundwater depletion, NCP has experienced significant land subsidence, which threatens geological stability infrastructure health exacerbates risks other geohazards. In this study, we employed multi-track Synthetic Aperture Radar (SAR) datasets acquired by Sentinel-1A (S1A) satellite to detect spatial temporal distributions surface deformation from 2016...

The long-term over-exploitation of groundwater has not only caused the compaction aquifer thickness and surface deformation but also further aggravated loss storage (GWS) in Beijing plain. South-to-North Water Diversion Project (SNWDP) furnishes a new source water for Beijing. By reviewing related studies, it was found that there are few studies on realization GWS estimation based InSAR technology considering lag effect. Therefore, this study, firstly, long-time series characteristics plain...

Land subsidence in the Eastern Beijing Plain has a long history and is always serious. In this paper, we consider time-series evolution patterns of eastern Plain. First, use Persistent Scatterer Interferometric Synthetic Aperture Radar (PSI) technique, with Envisat Radarsat-2 data, to monitor deformation from 2007 2015. Second, adopt standard deviation ellipse (SDE) method, combined hydrogeological analyze spatial land subsidence. The results suggest that developed mainly northwest–southeast...

Excessive exploitation of the groundwater has resulted in obvious three-dimensional (3D) deformation features on surface Beijing Plain. This paper, by combining Interferometric Synthetic Aperture Radar (InSAR) and Global Positioning System (GPS) technologies, obtained time-series information 3D Plain, analyzing its spatial distribution characteristics. On this basis, relationship between different controlling factors with been analyzed as well. The following results are obtained: (1) From...

Shandong Province (SDP) experienced serious land subsidence from March 2017 to December 2020. Exploring the response relationships between and its inducing factors plays an important role in ensuring development of economy residential safety. Firstly, we applied Persistent Scatterers Interferometric Aperture Radar (PS-InSAR) technology 558 Sentinel-1 images determine SDP Secondly, mosaicked monitoring results five tracks obtain a map covering whole validated using Global Positioning System...

As a common geological hazard, land subsidence is widely distributed in the Eastern Beijing Plain. The pattern of evolution this phenomenon controlled by many factors, including groundwater level change different aquifers, compressible layers thicknesses, and static dynamic loads. First, based on small baseline subset Interferometric Synthetic Aperture Radar (SBAS-InSAR) technique, we employed 47 ENVISAT ASAR images 48 RADARSAT-2 to acquire ground deformation Plain from June 2003 November...