Exploring constraints and benefits of PSI technique for landslide detection and monitoring from space

Christian Iasio; Stefan Schneiderbauer; Volkmar Mair; Claudia Strada

doi:10.1117/12.898852

26 October 2011 Exploring constraints and benefits of PSI technique for landslide detection and monitoring from space

Christian Iasio, Stefan Schneiderbauer, Volkmar Mair, Claudia Strada

Proceedings Volume 8179, SAR Image Analysis, Modeling, and Techniques XI; 817913 (2011) https://doi.org/10.1117/12.898852
Event: SPIE Remote Sensing, 2011, Prague, Czech Republic

Abstract

Detecting and monitoring of unstable slopes can greatly contribute to mitigate landslide hazards and reduce their adverse impacts. In this paper some application of SAR based multi-interferometric analysis applied to landslide studies in Alpine region is discussed, specifically the persistent scatterers (PS) identification useful to support landslide mapping and monitoring. Recently the PS interferometry (PSI) technique gained relevance, particularly where the implementation of traditional ground based measurements is too difficult or too expensive. Therefore, it is slowly evolving from a purely scientific application to an operational service, particularly appealing to those responsible for the management of geo-physical hazards and landscape management. The paper aims to present preliminary outcomes from a feasibility assessment of PS data analysis aimed to provide decision support to public officers. This objective requires deeper understanding and better communication of potentials and limitations of the PSI methodology, the various SAR sensors as well as of the ranges of displacement rate for that it can represent a suitable and reliable tool. This contribution is based on the work and preliminary results of two projects, namely the GMES Emergency Response Service SAFER (EC FP7) and "LAWINA" (COSMO SkyMed AO funded by the Italian Space Agency ASI).

Citation Download Citation

Christian Iasio, Stefan Schneiderbauer, Volkmar Mair, and Claudia Strada "Exploring constraints and benefits of PSI technique for landslide detection and monitoring from space", Proc. SPIE 8179, SAR Image Analysis, Modeling, and Techniques XI, 817913 (26 October 2011); https://doi.org/10.1117/12.898852

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