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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24 records found
  • Storm Surge

    Storm surges occur in coastal areas when strong onshore winds and low atmospheric pressure during passing storms raise water levels along the shore above predicted levels. Storm surges occur on all four Canadian coasts (Pacific, Arctic, Atlantic and Great Lakes). The most severe known surges in...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JP2
    • ZIP
    • other
  • Depth, duration, and frequency of point rainfall - ratios of 6-hour, 48-hour,...

    The plate contains four maps. The first map shows the location of recording rain gauges used in the map and their number of years of record. The three other maps show the ratio 6-hour/24-hour rainfall extremes, the ratio 48-hour/24-hour rainfall extremes and the ratio 72-hour/24-hour rainfall...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Median Start Date of Continuous Snow Cover

    This map shows the median date of snow-cover onset (defined as the first date with 14 consecutive days of snow cover greater than 2 centimetres in depth) computed over 18 winter seasons (1979 to 1997). In areas with permanent or semipermanent snow cover (for example, Arctic ice caps) or in areas...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JP2
    • ZIP
    • other
  • Median End Date of Continuous Snow Cover

    This map shows the median date of snow-cover loss (defined as the last date with 14 consecutive days of snow cover greater than 2 centimetres in depth) computed over 18 winter seasons (1979 to 1997). In areas with permanent or semipermanent snow cover (for example, Arctic ice caps) or in areas...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JP2
    • ZIP
    • other
  • January Mean Total Precipitation

    The map shows the mean total precipitation in the month of January. January precipitation across Canada is mainly in the form of snow. Throughout much of the interior and the north, precipitation amounts are generally less than 20 mm and, in the high Arctic, as little as a few millimetres. The...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JP2
    • ZIP
    • other
  • July Mean Daily Maximum Temperatures

    The map shows the mean daily maximum temperatures for July. Maximum temperatures in July are above freezing across all of Canada except for high elevations on Ellesmere Island. Maximum temperatures exceed 25ºC in the valley bottoms of southern British Columbia, across the southern Prairies, in...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JP2
    • ZIP
    • other
  • North Circumpolar Region (2017)

    This bilingual map shows the geography of the northern circumpolar region, north of approximately 55 degrees, at a scale of 1:9 000 000. The map uses the azimuthal equidistant projection. It includes all international boundaries, as well as the Canadian provincial and territorial boundaries and...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Circumpolar International Polar Year (2008)

    Contained within the Atlas of Canada's Reference Map Series, 1961 to 2010, is a revised bilingual map which was produced as a special product for the International Polar Year. It was produced from the Atlas of Canada Reference Map, MCR0001, North Circumpolar Region (2008). Its round shape shows...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • North Circumpolar Region (2008)

    Contained within the Atlas of Canada's Reference Map Series, 1961 to 2010, is a map which has a detailed coverage of all parts of the world north of approximately 50 degrees latitude except for the Russian Federation side of the map which shows areas north of 60 degrees latitude. The map uses the...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • International Polar Year - 2012 - Circumpolar Region

    Contained within the Atlas of Canada's Reference Map Series, 1961 to 2012, is a revised bilingual map which was produced as a special product for the International Polar Year 2012. It was produced from the Atlas of Canada Reference Map, MCR0001, North Circumpolar Region (2008). Its round shape...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
You can also access this registry using the API (see API Docs).