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

292 records found
  • Climatic Regions

    Contained within 3rd Edition (1957) of the Atlas of Canada is a map that shows the division of Canada into climatic regions according to the classification of the climates of the world developed by W. Koppen. Koppen first divided the world into five major divisions to which he assigned the...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Climatic Regions Thornthwaite Classification Moisture Regions

    Contained within the 5th Edition (1978 to 1995) of the National Atlas of Canada is a map that shows the distribution for the two moisture aspects of Thornthwaite's climate classification system. The moisture regions are shown as coloured areas representing six moist and three dry climates; and...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Climatic Regions Thornthwaite Classification Thermal Efficiency Regions

    Contained within the 5th Edition (1978 to 1995) of the National Atlas of Canada is a map that shows the distribution for the two thermal aspects of Thornthwaite's climate classification system. There is thermal efficiency (a measure of heat received at the ground) shown as coloured areas in five...
    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
  • Number of Days with Precipitation

    Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows the average annual number of days with precipitation. The main map is accompanied by a supplementary map at a scale of 1:40 000 000, outlining precipitation regions. As well, climatic graphs for selected stations...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • PDF
    • JPG
  • Ice

    Contained within the 4th Edition (1974) of the Atlas of Canada is a set of six maps that shows different types of ice accumulation.
    Organization:
    Natural Resources Canada
    Resource Formats:
    • PDF
    • JPG
  • Isotherms for Months of Year

    Contained within the 2nd Edition (1915) of the Atlas of Canada is a plate comprised of 12 maps of isothermal lines. One map for each month of the year. These lines are drawn at intervals of 5 degrees Fahrenheit. The isolines were deduced from yearly observations collected by the Meteorological...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Isotherms for Months of Year

    Contained within the 1st Edition (1906) of the Atlas of Canada is a plate that shows isothermal lines for each month of the year. Within the plate there are 12 maps, one for each month that varies from January to December. These lines are drawn at intervals of 5 degrees Fahrenheit connect the...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Solar Radiation - Annual

    Contained within the 5th Edition (1995) of the Atlas of Canada is a plate with two maps. The first map shows solar radiation and its variability recorded on a horizontal surface. The second map shows solar radiation recorded on inclined surfaces.
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Canada - First Frost in Autumn

    Contained within the 5th Edition (1978 to 1995) of the National Atlas of Canada is a map that shows the average date of occurrence of the first frost in autumn. The Data is for the period of 1941-1970.
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
You can also access this registry using the API (see API Docs).