Results 1 to 10 of about 21,327 (190)

Assessing the Use of GACOS Products for SBAS-InSAR Deformation Monitoring: A Case in Southern California [PDF]

Sensors, 2019
The Generic Atmospheric Correction Online Service (GACOS) products for interferometric synthetic aperture radar (InSAR) are widely used near-real-time and global-coverage atmospheric delay products which provide a new approach for the atmospheric ...
Bing Xu, Qijie Wang, Guoguang Wei
exaly   +5 more sources

Land Subsidence Monitoring Method in Regions of Variable Radar Reflection Characteristics by Integrating PS-InSAR and SBAS-InSAR Techniques

Remote Sensing, 2022
In the InSAR solution, the uneven distribution of permanent scatterer candidates (PSCs) or slowly decoherent filtering phase (SDFP) pixel density in a region of variable radar reflection feature can cause local low accuracy in single interferometry. PSCs
Peng Zhang, Shuangfeng Guo, Guo Zihao
exaly   +4 more sources

Research on the Applicability of DInSAR, Stacking-InSAR and SBAS-InSAR for Mining Region Subsidence Detection in the Datong Coalfield

Remote Sensing, 2022
Intensive and large-scale underground coal mining has caused geological disasters such as local ground subsidence, cracks and collapse in the Datong coalfield, China, inducing serious threats to local residents.
Hongdong Fan
exaly   +4 more sources

Surface Deformation Extraction From Small Baseline Subset Synthetic Aperture Radar Interferometry (SBAS-InSAR) Using Coherence-Optimized Baseline Combinations

GIScience and Remote Sensing, 2022
Surface deformation data can be used to provide early warnings of geohazards and are useful in a variety of research fields. The Small BAseline Subset InSAR (SBAS-InSAR) boosts the data sampling rate and improves the accuracy of deformation extraction by
Hao Cui, Guo Zhang, Zhenwei Chen
exaly   +3 more sources

A New Method for Continuous Track Monitoring in Regions of Differential Land Subsidence Rate Using the Integration of PS-InSAR and SBAS-InSAR

Remote Sensing, 2023
It is difficult for single time-series Interferometric Synthetic Aperture Radar (InSAR) processing to guarantee the accuracy and efficiency of continuous track monitoring in regions of differential subsidence.
Peng Zhang, Shuangfeng Guo, Qian Xiaqing
exaly   +4 more sources

Accuracy Verification and Evaluation of Small Baseline Subset (SBAS) Interferometric Synthetic Aperture Radar (InSAR) for Monitoring Mining Subsidence

European Journal of Remote Sensing, 2021
This study investigated the role of the number of differentialinterferograms and coherent threshold values on the accuracy of SBAS InSAR (small baseline subset interferometric synthetic aperture radar) results for specific applications in Jiyang Coal ...
Tao Qiuxiang, Wang Fengyun
exaly   +2 more sources

Accuracy of Sentinel-1 PSI and SBAS InSAR Displacement Velocities Against GNSS and Geodetic Leveling Monitoring Data

Remote Sensing, 2021
Correct use of multi-temporal Interferometric Synthetic Aperture Radar (InSAR) datasets to complement geodetic surveying for geo-hazard applications requires rigorous assessment of their precision and accuracy.
Francesca Cigna, Deodato Tapete
exaly   +3 more sources

Time series InSAR surface deformation monitoring in extremely difficult area based on track refining control points selection

Zhongguo dizhi zaihai yu fangzhi xuebao, 2021
The extremely difficult area has the characteristics of extremely rugged terrain, complex geographical environment and sparse permanent scatterers. Therefore, an improved SBAS-InSAR technology is designed to monitor the surface deformation. In this paper,
Jianping PAN, Fujiang DENG, Zhengxuan XU, Qiwen XIANG, Wenli TU, Zhanbao FU   +5 more
doaj   +1 more source

Effectiveness evaluation of DS-InSAR method fused PS points in surface deformation monitoring: a case study of Hongta District, Yuxi City, China

Geomatics, Natural Hazards & Risk, 2023
InSAR technology provides a powerful tool for detecting large-scale surface deformation. In particular, the newly developed DS-InSAR method fused PS points has obvious advantages in monitoring bare land and vegetation covered areas, but at present, there
Yongfa Li, Xiaoqing Zuo, Fang Yang, Jinwei Bu, Wenhao Wu, Xinyu Liu   +5 more
doaj   +1 more source

Assimilation of SBAS-InSAR Based Vertical Deformation Into Land Surface Model to Improve the Estimation of Terrestrial Water Storage

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022
The gravity recovery and climate experiment (GRACE) provides an unprecedented opportunity to detect the spatial and temporal variation of the terrestrial water storage (TWS) for regional to continental scales.
Kun Chen, Guoxiang Liu, Wei Xiang, Tao Sun, Kun Qian, Jiaxin Cai, Saied Pirasteh, Xiao Chen   +7 more
doaj   +1 more source