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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
  • 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
  • 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
  • Water quality networks

    The map shows the locations of water quality network stations operated by the federal Water Quality Branch, Department of Fisheries and the Environment, and the provincial Water Quality Branches of Quebec, Ontario, Saskatchewan, Alberta, and British Columbia. The federal and provincial monitoring...
    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
  • 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
  • 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
  • Drainage Basins

    Contained within the 5th Edition (1978 to 1995) of the National Atlas of Canada is a map that shows ocean drainage areas with component river basins and diversion areas. There are two tables: one gives data on drainage basin areas, the other on major drainage diversions.
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • River Discharge

    Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows average annual streamflow in cubic feet per second. There is an attached supplementary map which displays the reliability of the river discharge data which the above mentioned map is based on.
    Organization:
    Natural Resources Canada
    Resource Formats:
    • PDF
    • JPG
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