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Remote Sens. 2015, 7(6), 6908-6931; doi:10.3390/rs70606908

Long Term Subsidence Analysis and Soil Fracturing Zonation Based on InSAR Time Series Modelling in Northern Zona Metropolitana del Valle de Mexico

1
Institut für Geodäsie und Photogrammetrie, Technische Universität Braunschweig, Pockelsstraße 3, Braunschweig 38106, Germany
2
Instituto de Ingeniería, Universidad Nacional Autonoma de Mexico (UNAM), Edif. 5, Circuito Escolar s/n, Ciudad Universitaria, Delegación Coyoacán 04510, México
3
Centro de Geociencias, Universidad Nacional Autonoma de Mexico (UNAM), Blvd. Juriquilla 3001, Querétaro 76230, México
*
Author to whom correspondence should be addressed.
Academic Editors: Richard Gloaguen and Prasad S. Thenkabail
Received: 28 January 2015 / Revised: 28 April 2015 / Accepted: 14 May 2015 / Published: 28 May 2015
View Full-Text   |   Download PDF [15471 KB, uploaded 28 May 2015]   |  

Abstract

In this study deformation processes in northern Zona Metropolitana del Valle de Mexico (ZMVM) are evaluated by means of advanced multi-temporal interferometry. ERS and ENVISAT time series, covering approximately an 11-year period (between 1999 and 2010), were produced showing mainly linear subsidence behaviour for almost the entire area under study, but increasing rates that reach up to 285 mm/yr. Important non-linear deformation was identified in certain areas, presumably suggesting interaction between subsidence and other processes. Thus, a methodology for identification of probable fracturing zones based on discrimination and modelling of the non-linear (quadratic function) component is presented. This component was mapped and temporal subsidence evolution profiles were constructed across areas where notable acceleration (maximum of 8 mm/yr2) or deceleration (maximum of −9 mm/yr2) is found. This methodology enables location of potential soil fractures that could impact relevant infrastructure such as the Tunel Emisor Oriente (TEO) (along the structure rates exceed 200 mm/yr). Additionally, subsidence behaviour during wet and dry seasons is tackled in partially urbanized areas. This paper provides useful information for geological risk assessment in the area. View Full-Text
Keywords: subsidence; fracturing zonation; small baseline subset (SBAS); ERS; ENVISAT subsidence; fracturing zonation; small baseline subset (SBAS); ERS; ENVISAT
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Siles, G.L.; Alcérreca-Huerta, J.C.; López-Quiroz, P.; Niemeier, W. Long Term Subsidence Analysis and Soil Fracturing Zonation Based on InSAR Time Series Modelling in Northern Zona Metropolitana del Valle de Mexico. Remote Sens. 2015, 7, 6908-6931.

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