This data resource is digital elevation model for much of Canada which is derived from 1:50,000 and 1:250,000 National Topographic Data Base digital files. This data is available by request from the Geospatial Centre. This data is provided by Geobase. For coverage areas, please see the links below.
1:50,000 coverage index.
1:250,000 coverage index.
These data sets are available in USGS .DEM format. This format requires some manipulation in order to produce a visible surface. Please see the Geospatial Centre Guide to Digital Elevation Data for a brief outline on how to use this data is ArcView and ArcGIS. Other data formats can be accommodated, as the Geospatial Centre has access to a number of conversion utilities.
There are public workstations in the Geospatial Centre that provide access to both ArcGIS and ArcView software programs, program extensions and data manipulation utilities. Patrons may use the GIS and image processing software in the library to view and manipulate the data. UW faculty, students and staff may copy these data to other media (for example: CD, DVD or Zip disc) for use elsewhere.
This data may be exported from ArcGIS in a choice of bitmapped formats (also known as raster graphics) including JPG, TIFF, GIF, and BMP or in a choice of vector graphics formats including AI, EPS, and SVG. Yet another option is PDF.
This material is provided for academic, research, teaching, and personal use only. The Ministry of Natural Resources Canada should be acknowledged on any derivative product, such as a map or an image.
Canada Digital Elevation Data. [computer file]. Ottawa, ON: Natural Resources Canada, 1997-1999.
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