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9 records found
  • Federal

    Profiles of Major Rivers

    Contained within the 3rd Edition (1957) of the Atlas of Canada is a map that shows the profiles of 17 major rivers together with the positions of important cultural and physical features connected with them. These include hydro-electric power developments (circa 1955) and lakes and a reference...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Federal

    Variation of monthly river flows

    The plate shows a graph of the maximum and minimum monthly mean flow and mean monthly river flow for 36 selected river gauging stations. Thirty-six gauging stations across Canada were selected to represent a cross section of river types and sizes. Most of the rivers are natural flow; however,...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Federal

    Flood Disasters in Canada

    This database contains summary information on 168 Canadian flood disasters that occurred between 1900 and June 1997. The database is not, by sany means, a complete list of flood events in Canada since the vast majority of the floods did not cause disasters. All mentions of damage costs have not...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • ZIP
  • Federal

    Snow cover measurement networks

    The map shows the location of the snow course stations and the agencies that operate them. Most Canadian snow courses are operated by the federal Department of Fisheries and the Environment and the provincial government departments concerned with water resources. Though the principles of snow...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Federal

    Agriculture-reliant Communities, 2001

    There are 804 communities that are at least 30% reliant on agriculture and agricultural products processing. Of these communities, the majority (502) have a reliance of 50% or higher and 302 have a reliance between 30 and 49%.
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JP2
    • ZIP
    • other
  • Federal

    Large lakes

    The map shows the location of 565 lakes and reservoirs with a total lake area larger than 100 square kilometres or 38.6 square miles. A table shows the fifteen largest lakes ranked by their area with their maximum depth. An examination of inland hydrologic subsystems must stress the roles of...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • 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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