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  Information - NH3.13 Remote sensing and ground-based geophysical techniques for recognition, characterisation and monitoring of unstable slopes

Event Information
Remote sensing and geophysical surveying represent two indirect investigative techniques that are potentially complementary and offer a possibility to arrange a suitable combination of applications, tailored to specific ground and environmental/logistic conditions, in order to effectively infer and correlate surface/subsurface information. Even though these techniques have been applied in investigations of landslides and unstable slopes for a few decades, it appears that their potential to provide complementary and integrated information with respect to that gained through direct, and generally more costly in situ investigations, has not always been fully exploited. The progress in digital photogrammetry and cartography, in GPS surveying, in multi-temporal Synthetic Aperture Radar differential interferometry analysis (DInSAR), the recent deployments of new, more sophisticated satellite systems (e.g. IKONOS, QUICKBIRD, ENVISAT), as well as upcoming launches (e.g. ALOS, RADARSAT 2, SkyMed/COSMO), hold the premise for ever increasing use of remote sensing and Earth Observation (EO) data in landslide investigations. Similarly, the progress in geophysical data processing and interpretation methods and the exponential increase of power/cost ratio of computing tools, makes now largely affordable frequent employment of more sophisticated techniques like seismic reflection, surface waves analysis and tomography (both seismic and electrical), before traditionally reserved to academic communities and high-budget industrial applications. This session is intended to: firstly, provide an overview of the advantages and limitations of conventional air- and space-borne EO applications, as well as of surface- and borehole-based geophysical information for landslide investigations; secondly, focus on innovative and potential applications of remote sensing and geophysical surveying for improved landslide and unstable slope assessments; thirdly, focus on data integration issues and development of cross-validation methods needed to exploit most profitably ground, air and EO data. It is also hoped that the session will help to make users more familiar with some current and future challenges regarding the remote sensing and geophysical surveying application research.

Preliminary List of Solicited Speakers


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