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TitleA GIS Methodology for Geological Site Characterization of a Canadian Shield Terrain
AuthorMcGregor, R G; Bruton, P; Singhroy, V
SourceInternational Symposium, Geomatics in the Era of RADARSAT (GER'97), Ottawa, Canada, May 25-30; 1997 p. 12
Alt SeriesEarth Sciences Sector, Contribution Series 20042201
AbstractSince 1978 AECL has conducted research within the Canadian Nuclear Fuel Waste Management Program (CNFWMP) towards the concept of the disposal of used nuclear fuel waste in crystalline rock masses of the Canadian Shield. Recently AECL has been investigating the potential benefits of utilizing remote sensing (RS) technologies in conjunction with other sources of geotechnical data as part of the concept assessment. The principal objective of recent work has been to examine, in more detail remote sensing methods applied to disposal vault site selection and site characterization procedures. This paper summarizes a methodology for determining geologic characteristics of a Canadian Shield terrain, incorporating remotely-sensed data, a digital elevation model (DEM), and ground-based data within a geographic information system (GIS) environment. This methodology is applied to the site characterization of a potential vault location and defines features required for developing a geologic model of the site. In this example, RADARSAT-1 S7 and F5 imagery, Landsat TM, airborne geophysics and geological data from ground based mapping studies have been integrated within a GIS to characterize the Eye-Dashwa Pluton intrusion in Northwestern Ontario. In addition, land cover, elevation and published geological maps were also combined with lineament analyses to determine terrain characteristics of the Eye-Dashwa Pluton and the surrounding environment.

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