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Description
CanVec, a digital cartographic product from Natural Resources Canada, contains elevation features including contour lines and elevation points. It originates from multiple authoritative sources like the National Topographic Data Base and satellite imagery, covering Canadian territory in vector format.
Use Cases
Generate digital elevation models (DEMs) by interpolating between contour line and elevation point features.
Analyze terrain morphology and slope using the spatial distribution of contour lines across Canadian landscapes.
Validate and update topographic basemaps by integrating CanVec contour data with newer satellite imagery sources.
Strengths
Sourced from authoritative Canadian geospatial databases including the National Topographic Data Base (NTDB).
Complies with international geomatics standards for vector topographic data.
Incorporates multi-source data from satellite imagery like Landsat 7, Spot, and Radarsat.
Limitations
Specific row count, column structure, and spatial resolution are unknown from the provided input.
Data is distributed via ESRI REST and HTML formats, which may require specialized GIS software for full analysis.
Provenance
Source
Natural Resources Canada (NRCan) CanVec product, distributed by the Government of Yukon via GeoYukon.
Collection Method
Compiled from multiple sources: National Topographic Data Base, Mapping the North process, Atlas of Canada, GeoBase, and satellite imagery updates.
Time Range
null
Freshness
null
Geography
Canadian territory.
License is listed as 'yk-oglyk'; users must review the specific Yukon Open Government License terms before use. Data access requires tools compatible with ESRI REST services.