A multiscale approach for detection and mapping differential subsidence using multi-platform InSAR products
Por:
Solano-Rojas D.E., Wdowinski S., Cabral-Cano E., Osmanoglu B., Havazli E., Pacheco-Martioónez J.
Publicada:
1 ene 2020
Categoría:
Earth and planetary sciences (miscellaneous)
Resumen:
Detecting and mapping subsidence is currently supported by interferometric synthetic aperture radar (InSAR) products. However, several factors, such as band-dependent processing, noise presence, and strong subsidence limit the use of InSAR for assessing differential subsidence, which can lead to ground instability and damage to infrastructure. In this work, we propose an approach for measuring and mapping differential subsidence using InSAR products. We consider synthetic aperture radar (SAR) data availability, data coverage over time and space, and the region's subsidence rates to evaluate the need of post-processing, and only then we interpret the results. We illustrate our approach with two case-examples in Central Mexico, where we process SAR data from the Japanese ALOS (L-band), the German TerraSAR-X (X-band), the Italian COSMO-SkyMed (X-band) and the European Sentinel-1 (C-band) satellites. We find good agreement between our results on differential subsidence and field data of existing faulting and find potential to map yet-to-develop faults. © Author(s) 2020.
Filiaciones:
Solano-Rojas D.E.:
Universidad Nacional Autónoma de Mexico, Facultad de Ingenierioóa, Mexico, 04510, Mexico
Wdowinski S.:
Florida International University, Earth and Environment, Miami, FL 33199, United States
Cabral-Cano E.:
Universidad Nacional Autónoma de Mexico, Instituto de Geofioósica, Mexico, 04150, Mexico
Osmanoglu B.:
NASA Goddard Space Flight Center, Greenbelt, MD 20771, United States
Havazli E.:
University of Miami, Marine Geology and Geophysics, 4600 Rickenbacker Causeway, Miami, FL 33149, United States
Pacheco-Martioónez J.:
Universidad Autooónoma de Aguascalientes, Aguascalientes, 20130, Mexico
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