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Article

Evaluation of InSAR and TomoSAR for Monitoring Deformations Caused by Mining in a Mountainous Area with High Resolution Satellite-Based SAR

1
Institute of Geodesy and Photogrammetry, TU Braunschweig, Braunschweig D-38106, Germany
2
Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China
3
School of Environment Science & Spatial Informatics, China University of Mining and Technology, Xuzhou 221008, China
4
Nottingham Geospatial Institute, University of Nottingham, Nottingham NG7 2TU, UK
*
Authors to whom correspondence should be addressed.
Remote Sens. 2014, 6(2), 1476-1495; https://0-doi-org.brum.beds.ac.uk/10.3390/rs6021476
Received: 20 December 2013 / Revised: 8 February 2014 / Accepted: 10 February 2014 / Published: 19 February 2014
(This article belongs to the Special Issue Analysis of Remote Sensing Image Data)
Interferometric Synthetic Aperture Radar (InSAR) and Differential Interferometric Synthetic Aperture Radar (DInSAR) have shown numerous applications for subsidence monitoring. In the past 10 years, the Persistent Scatterer InSAR (PSI) and Small BAseline Subset (SBAS) approaches were developed to overcome the problem of decorrelation and atmospheric effects, which are common in interferograms. However, DInSAR or PSI applications in rural areas, especially in mountainous regions, can be extremely challenging. In this study we have employed a combined technique, i.e., SBAS-DInSAR, to a mountainous area that is severely affected by mining activities. In addition, L-band (ALOS) and C-band (ENVISAT) data sets, 21 TerraSAR-X images provided by German Aerospace Center (DLR) with a high resolution have been used. In order to evaluate the ability of TerraSAR-X for mining monitoring, we present a case study of TerraSAR-X SAR images for Subsidence Hazard Boundary (SHB) extraction. The resulting data analysis gives an initial evaluation of InSAR applications within a mountainous region where fast movements and big phase gradients are common. Moreover, the experiment of four-dimension (4-D) Tomography SAR (TomoSAR) for structure monitoring inside the mining area indicates a potential near all-wave monitoring, which is an extension of conventional InSAR. View Full-Text
Keywords: satellite-based SAR; InSAR; SBAS-DInSAR; 4-D TomoSAR; phase gradient; Detectable Deformation Gradient (DDG); coal mine satellite-based SAR; InSAR; SBAS-DInSAR; 4-D TomoSAR; phase gradient; Detectable Deformation Gradient (DDG); coal mine
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MDPI and ACS Style

Liu, D.; Shao, Y.; Liu, Z.; Riedel, B.; Sowter, A.; Niemeier, W.; Bian, Z. Evaluation of InSAR and TomoSAR for Monitoring Deformations Caused by Mining in a Mountainous Area with High Resolution Satellite-Based SAR. Remote Sens. 2014, 6, 1476-1495. https://0-doi-org.brum.beds.ac.uk/10.3390/rs6021476

AMA Style

Liu D, Shao Y, Liu Z, Riedel B, Sowter A, Niemeier W, Bian Z. Evaluation of InSAR and TomoSAR for Monitoring Deformations Caused by Mining in a Mountainous Area with High Resolution Satellite-Based SAR. Remote Sensing. 2014; 6(2):1476-1495. https://0-doi-org.brum.beds.ac.uk/10.3390/rs6021476

Chicago/Turabian Style

Liu, Donglie, Yunfeng Shao, Zhenguo Liu, Björn Riedel, Andrew Sowter, Wolfgang Niemeier, and Zhengfu Bian. 2014. "Evaluation of InSAR and TomoSAR for Monitoring Deformations Caused by Mining in a Mountainous Area with High Resolution Satellite-Based SAR" Remote Sensing 6, no. 2: 1476-1495. https://0-doi-org.brum.beds.ac.uk/10.3390/rs6021476

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