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7 records found
  • Federal

    Influence of glaciers on streamflow

    The map shows the location of glaciers and ice caps and also indicates the rivers and the lakes, which are fed by a glacier (or an ice cap) meltwater. The purpose of this plate is to identify those streams which are fed by glacier meltwaters. Because of the scale of the map, many minor glaciers...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Federal

    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
  • Federal

    Natural Vegetation and Flora

    Contained within the 3rd Edition (1957) of the Atlas of Canada is a map that shows the vegetation regions, and 19 smaller-scale maps showing distributions of particular plant species. The main map shows the distribution of 17 natural vegetation types and also shows non-vegetated areas (existing...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Federal

    Surficial hydrogeology

    The map shows the quantity and quality of groundwater. The quality is the total dissolved solids in parts per million. The quantity is expressed in litres per second. During the Pleistocene epoch Canada was almost entirely covered by glaciers. Hence, although there are extensive and...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Federal

    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
  • Federal

    Permafrost

    The map shows the location of the continuous permafrost zone and the discontinuous permafrost zone including areas of wide spread permafrost, areas of scattered permafrost and permafrost areas in the Cordillera. The map also indicates for six locations (Inuvik, Yellowknife, Thompson, Resolute,...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • 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
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