Application of InSAR and gravimetric surveys for developing construction codes in zones of land subsidence induced by groundwater extraction: case study of Aguascalientes, Mexico

Interferometric Synthetic Aperture Radar (InSAR) has become a valuable tool for surface deformation monitoring, including land subsidence associated with groundwater extraction. Another useful tools for studying Earth's surface processes are geophysical methods such as Gravimetry. In this work...

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Main Authors: Pacheco-Martínez, J, Wdowinski, S, Cabral-Cano, E, Hernández-Marín, M, Ortiz-Lozano, J A, Oliver-Cabrera, T, Solano-Rojas, D, Havazli, E
Format: Conference Proceeding
Language:English
Subjects:
Building construction
Cities
Construction
Deformation
Earth surface
Failure
Fault lines
Geology
Geophysical exploration
Geophysical methods
Geophysics
Gravimetric analysis
Gravimetry
Groundwater
Information management
Interferometric synthetic aperture radar
Land subsidence
Local government
Risk management
SAR (radar)
Sediments
Seismic engineering
Studies
Subsidence
Surveying
Surveys
Synthetic aperture radar
Synthetic aperture radar interferometry
Time series
Urban areas
Zoning
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Summary:Interferometric Synthetic Aperture Radar (InSAR) has become a valuable tool for surface deformation monitoring, including land subsidence associated with groundwater extraction. Another useful tools for studying Earth's surface processes are geophysical methods such as Gravimetry. In this work we present the application of InSAR analysis and gravimetric surveying to generate valuable information for risk management related to land subsidence and surface faulting. Subsidence of the city of Aguascalientes, Mexico is presented as study case. Aguascalientes local governments have addressed land subsidence issues by including new requirements for new constructions projects in the State Urban Construction Code. Nevertheless, the resulting zoning proposed in the code is still subjective and not clearly defined. Our work based on gravimetric and InSAR surveys is aimed for improving the subsidence hazard zoning proposed in the State Urban Code in a more comprehensive way. The study includes a 2007–2011 ALOS InSAR time-series analysis of the Aguascalientes valley, an interpretation of the compete Bouguer gravimetric anomaly of the Aguascalientes urban area, and the application of time series and gravimetric anomaly maps for improve the subsidence hazard zoning of Aguascalientes City.
ISSN:2199-899X
2199-8981
2199-899X
DOI:10.5194/piahs-372-121-2015