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3 records found
  • Federal

    Earth conductivity map for Canada

    This product provides the Earth conductivity models for the varying conductivity zones throughout the ten Canadian provinces. The earth conductivity models are derived from a review of published results from magnetotelluric (MT) surveys. NRcan has developed a set of over 70 Earth conductivity...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • ZIP
  • Federal

    Vector digital topographic map - VMap1 - ARCHIVED

    The VMap1 collection is a legacy product that is no longer supported. VMap1 is a vector digital topographic reference product developed by Natural Resources Canada (NRCan) and The Department of National Defence (DND). VMap1 complies with international military specifications vector map, level 1....
    Organization:
    Natural Resources Canada
    Resource Formats:
    • SHP
    • ZIP
    • PNG
    • PDF
  • Federal

    Probability of the annual minimum snow and ice (MSI) presence over Canada

    Snow and ice are important hydrological resources. Their minimum spatial extent here referred to as annual minimum snow/ice (MSI) cover, plays a very important role as an indicator of long-term changes and baseline capacity for surface water storage. The MSI probability is derived from sequence...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • PDF
    • TIFF
    • ZIP
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