Open Government Portal

As we launch this enhanced integrated Open Government Portal search, you may notice that there has been a reduction in the number of open information records. Please note that you can still access the publications that no longer appear here by visiting: Government of Canada Publications and Library and Archives Canada. If you have any comments or questions contact us!

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54 records found
  • The hydrologic cycle

    Hydrology is the science concerned with the occurrence and distribution of water on and under the earth. Meteorology is the science dealing with the atmosphere and the movement of water, both as vapour and as liquid, in the air. Both sciences are concerned with the hydrologic cycle - the...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Moisture Regions

    Moisture regions illustrate moist (water surplus) and dry (water deficient) climate areas. The regions are a general guide to moisture surplus or deficit to be factored with seasonal timing of moisture availability for the hydrological system, including fluxes to runoff and groundwater infiltration.
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JP2
    • ZIP
    • other
  • River Profiles

    Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows the location of river profiles. There are drainage profiles, major river systems and major tributary included in this map.
    Organization:
    Natural Resources Canada
    Resource Formats:
    • PDF
    • JPG
  • 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
  • Wetland Regions

    Contained within the 5th Edition (1978 to 1995) of the National Atlas of Canada is a map that classifies Canada into forty wetland regions with similar ecological characteristics. The tables give temperature and other characteristics of each region.
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Vegetation Cover

    Contained within the 5th Edition (1978 to 1995) of the National Atlas of Canada is a map that shows all of Canada classified into one of eight vegetation cover classes (for example, coniferous forest) using imagery with one kilometre resolution.
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Glaciers

    Contained within the 5th Edition (1978 to 1995) of the National Atlas of Canada is a map that shows glaciers, iceberg sources and iceberg drift patterns for Canada and Greenland; names major glaciers and icecaps.
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Drainage Patterns

    Contained within the 5th Edition (1978 to 1995) of the National Atlas of Canada is a map that shows rivers, lakes and glaciers of Canada in great detail without names as a pure pattern on a dark background.
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Annual runoff

    The map shows the annual runoff in millimetres. Annual runoff varies from year to year owing to variations in precipitation, evaporation, and natural storage. The map presents the long-term average of these annual variations. The annual runoff is smallest in southern Saskatchewan and southeastern...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • 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
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