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!

Suggest a Dataset

116 records found
  • Fresh Water

    Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows the area of fresh water. It is split into squares that have the percentage of total fresh water. Each square covers an area of 10,000 square kilometers. According to the map, fresh water bodies occupy 7.9% of the...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • PDF
    • JPG
  • Water quality of surface waters

    The plate contains four maps showing the Hardness of Surface Water, Total Dissolved Solids of Surface Waters, Turbidity of Surface Waters and the Chemical Quality of Typical Surface Waters of Canada. These water quality maps were based on data collected from 1970 and 1971 at national river...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • 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
  • Current Water Levels, 2008

    The map shows 3172 hydrometric stations, 1491 active and 1681 inactive, located on rivers and lakes across the country. All the stations on the map are situated in a drainage area of 200 square kilometres or more. For 1200 stations shown on the map, surface water level measurements are recorded...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JP2
    • ZIP
    • other
  • Water Transportation Infrastructure

    Contained within the 5th Edition (1978 to 1995) of the National Atlas of Canada is a map that shows the infrastructure which consists of ports (classified by size and administrative body), selected shipping routes (such as the St. Lawrence Seaway), and vessel traffic control zones. The histogram...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Water balance - derived precipitation and evapotranspiration

    The map shows isolines for the annual precipitation and the annual evapotranspiration (in millimetres). Water is normally supplied by precipitation and lost through the processes of evapotranspiration and runoff or it may remain as surface or subsurface storage. Over long periods, generally...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • 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
  • Mean annual lake evaporation

    The map represents the mean value (in millimetres) of the annual loss of water through the evaporation process from the surfaces of open water bodies, such as ponds and shallow lakes and reservoirs based on the 10-year period 1957 to 1966. The greatest mean annual lake evaporation (more than 900...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Transportation Routes

    Contained within the 5th Edition (1978 to 1995) of the National Atlas of Canada is a map that shows the major routes for four transport modes (air, rail, road and water) using 1983 data.
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Lighthouses and Sailing Routes, Pacific Coast

    Contained within the 1st Edition (1906) of the Atlas of Canada is a map that shows the lighthouses, as well as sailing routes along the Pacific Coast, circa 1906. There are routes that sailing distances are given from the principal ocean ports of Canada to the other great ocean ports of the...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
You can also access this registry using the API (see API Docs).