Open Government Portal

  • Atlas of Canada National Scale Data 1:15,000,000 - Coasts and Coastal Islands

    The Atlas of Canada National Scale Data 1:15,000,000 Series consists of boundary, coast and coastal islands, place name, railway, river, road, road ferry and waterbody data sets that were compiled to be used for atlas small scale (1:15,000,000 and 1:30,000,000) mapping. These data sets have been...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • other
    • ZIP
  • Atlas of Canada National Scale Data 1:5,000,000 - Coasts and Coastal Islands

    The Atlas of Canada National Scale Data 1:5,000,000 Series consists of boundary, coast, island, place name, railway, river, road, road ferry and waterbody data sets that were compiled to be used for atlas medium scale (1:5,000,000 to 1:15,000,000) mapping. These data sets have been integrated so...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • other
    • ZIP
  • Atlas of Canada National Scale Data 1:1,000,000 - Coasts and Coastal Islands

    The Atlas of Canada National Scale Data 1:1,000,000 Series consists of boundary, coast, island, place name, railway, river, road, road ferry and waterbody data sets that were compiled to be used for atlas large scale (1:1,000,000 to 1:4,000,000) mapping. These data sets have been integrated so...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • other
    • ZIP
  • Depth, duration, and frequency of point rainfall - ratios of 6-hour, 48-hour,...

    The plate contains four maps. The first map shows the location of recording rain gauges used in the map and their number of years of record. The three other maps show the ratio 6-hour/24-hour rainfall extremes, the ratio 48-hour/24-hour rainfall extremes and the ratio 72-hour/24-hour rainfall...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Hydrographic Charts

    Contained within the 3rd Edition (1957) of the Atlas of Canada is a plate that shows the coverage of hydrographic charts produced by the Surveys and Mapping Branch of the Department of Mines and Technical Surveys, circa 1958. It also shows portions of three published sheets which illustrate the...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • River systems of Canada

    The map shows the location of rivers, glaciers and the six physiographic regions of Canada. Rivers serve as the natural drainage channels for surface waters. The network formed by river systems receives water from two main sources: runoff and base flow. Runoff is that part of precipitation which...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • 1Freeze-up and break-up of rivers and lakes

    The plate contains four maps showing the mean river freeze-over date, the mean lake freeze-over date, the mean river ice-free date and the mean lake ice free date. The four maps depict, in a general way, the average dates on which freshwater bodies in Canada become completely ice-covered in the...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Fire Danger Rating, 2009

    Fire danger rating is the process of systematically evaluating and integrating the factors that determine the ease of a fire starting and spreading, the difficulty of control, and the resulting impacts based on an assessment of ignition risk, the fire environment (fuels, weather, and topography)...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JP2
    • ZIP
    • other
  • Fire Danger Rating, 2009

    Fire danger rating is the process of systematically evaluating and integrating the factors that determine the ease of a fire starting and spreading, the difficulty of control, and the resulting impacts based on an assessment of ignition risk, the fire environment (fuels, weather, and topography)...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JP2
    • ZIP
    • other
  • Suspended sediment concentration

    The map shows the concentration (annual load) of suspended sediments into rivers (in milligrams per litre). The load of sediment is lower in the Canadian Shield area and on the Arctic Islands. The greatest loads appear in the Prairie Provinces and in the Cordillera. The map also shows histograms...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
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