Quantifying the effects of ground settlement on buildings by the exploitation of long term DINSAR time series: The case of Roma

Abstract

Differential Synthetic Aperture Radar Interferometry (DInSAR) is a well-established remote sensing methodology aimed at the analysis and monitoring of displacements due to the ground settlement or to the deformations of the structures. Among the DInSAR techniques, the Small BAseline Subset (SBAS) approach, working at different scales of investigations, permits to detect and control the deformation processes that may involve structures and infrastructures in urban areas. This work is focused on the exploitation of the results obtained by applying Small Baseline Subset (SBAS) technique of high resolution DInSAR analysis applied to ENVISAT and COSMO-SkyMed data. The DInSAR products (average velocity maps and time series of displacements) are adopted to implement and test a processing architecture to investigate the stability of built-up areas at regional and local scales.