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TitlePTA-InSAR rock slope monitoring at the Gascons site, Gaspé Peninsula, Quebec
AuthorCouture, R; Charbonneau, F; Murnaghan, K; Singhroy, V; Lord, P -E; Locat, J
SourceGeo2010, proceedings of the 63rd Annual Canadian Geotechnical Conference and the 6th Canadian Permafrost Conference; 2010, 9 pages
Alt SeriesEarth Sciences Sector, Contribution Series 20100058
Meeting63rd Canadian Geotechnical Conference and the 6th Canadian Permafrost Conference; Calgary; CA; September 12-16, 2010
RelatedThis publication is contained in Evaluating the major controls on permafrost distribution in Ivvavik National Park based on process-based modelling
AreaGaspé Peninsula; Port-Daniel; Chandler
Lat/Long WENS-66.0000 -65.5000 48.2500 48.0000
Subjectsengineering geology; surficial geology/geomorphology; slope stability; slope stability analyses; slope failures; slope deposits; landslide deposits; landslides; satellites; satellite imagery; remote sensing
Illustrationslocation maps; photographs; digital elevation models
Released2010 01 01
AbstractAn unstable rock slope situated between Port-Daniel and Chandler in the Gaspé Peninsula (Quebec) has been impacting a railway line for several decades. As part of a detailed monitoring program, a set of artificial targets were installed in the vicinity of open fissures, on unstable rock blocks, and on infrastructure in fall 2009. These targets are remotely monitored by SAR (radar) satellite signals orbiting at an average altitude of 798 km to measure slope movement. This paper briefly presents the site conditions at the Gascons rock slope and reviews the PTA-InSAR technique. It describes the installation of the corner reflectors, including the anchoring systems.

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