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Open AccessArticle

Spatial Analysis of Land Subsidence in the San Luis Potosi Valley Induced by Aquifer Overexploitation Using the Coherent Pixels Technique (CPT) and Sentinel-1 InSAR Observation

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Center of Research and Posgraduate Studies, Engineering Faculty, University of San Luis Potosi, Av Dr. Manuel Nava No. 8, San Luis Potosi, C.P. 78210, Mexico
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Department of Civil Engineering, Escuela Politécnica Superior, University of Alicante, P.O. Box 99, 03080 Alicante, Spain
3
Institute of Computer Research (IUII), University of Alicante, P.O. Box 99, 03080 Alicante, Spain
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CommSensLab, Department of Signal Theory and Communications, Universitat Politècnica de Catalunya, c/Jordi Girona, 1–3, Ed. D-3, 08034 Barcelona, Spain
*
Author to whom correspondence should be addressed.
Remote Sens. 2020, 12(22), 3822; https://doi.org/10.3390/rs12223822
Received: 23 October 2020 / Revised: 17 November 2020 / Accepted: 17 November 2020 / Published: 21 November 2020
The San Luis Potosi metropolitan area has suffered considerable damage from land subsidence over the past decades, which has become visible since 1990. This paper seeks to evaluate the effects of groundwater withdrawal on land subsidence in the San Luis Potosi Valley and the development of surface faults due to the differential compaction of sediments. For this purpose, we applied the Coherent Pixels Technique (CPT), a Persistent Scatterer Interferometry (PSI) technique, using 112 Sentinel-1 acquisitions from October 2014 to November 2019 to estimate the deformation rate. The results revealed that the deformation areas in the municipality of Soledad de Graciano Sánchez mostly exhibit subsidence values between −1.5 and −3.5 cm/year; whereas in San Luis Potosi these values are between −1.8 and −4.2 cm/year. The PSI results were validated by five Global Navigation Satellite System (GNSS) benchmarks available, providing a data correlation between the results obtained with both techniques of 0.986. This validation suggests that interferometric derived deformations agree well with results obtained from GNSS data. The strong relationship between trace fault, land subsidence,e and groundwater extraction suggests that groundwater withdrawal is resulting in subsidence induced faulting, which follows the pattern of structural faults buried by sediments. View Full-Text
Keywords: land subsidence; groundwater withdrawal; coherent pixel technique; InSAR; Sentinel-1; Mexico; spatial analysis land subsidence; groundwater withdrawal; coherent pixel technique; InSAR; Sentinel-1; Mexico; spatial analysis
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MDPI and ACS Style

Navarro-Hernández, M.I.; Tomás, R.; Lopez-Sanchez, J.M.; Cárdenas-Tristán, A.; Mallorquí, J.J. Spatial Analysis of Land Subsidence in the San Luis Potosi Valley Induced by Aquifer Overexploitation Using the Coherent Pixels Technique (CPT) and Sentinel-1 InSAR Observation. Remote Sens. 2020, 12, 3822. https://doi.org/10.3390/rs12223822

AMA Style

Navarro-Hernández MI, Tomás R, Lopez-Sanchez JM, Cárdenas-Tristán A, Mallorquí JJ. Spatial Analysis of Land Subsidence in the San Luis Potosi Valley Induced by Aquifer Overexploitation Using the Coherent Pixels Technique (CPT) and Sentinel-1 InSAR Observation. Remote Sensing. 2020; 12(22):3822. https://doi.org/10.3390/rs12223822

Chicago/Turabian Style

Navarro-Hernández, María I.; Tomás, Roberto; Lopez-Sanchez, Juan M.; Cárdenas-Tristán, Abraham; Mallorquí, Jordi J. 2020. "Spatial Analysis of Land Subsidence in the San Luis Potosi Valley Induced by Aquifer Overexploitation Using the Coherent Pixels Technique (CPT) and Sentinel-1 InSAR Observation" Remote Sens. 12, no. 22: 3822. https://doi.org/10.3390/rs12223822

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