Fig. 1From: Assessing subsidence of Mexico City from InSAR and LandSat ETM+ with CGPS and SVMThe black rectangle shows the ENVISAT-ASAR data coverage area in the descending mode. The red rectangle shows the area with the detailed geological map of the study area (see Fig. 3), and Landsat ETM+ imagery from 25/11/2005. The nine installed GPS station locations, also depictedBack to article page