203 jeux de données trouvés

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  • Suspended sediment concentration

    The map shows the concentration (annual load) of suspended sediments into rivers (in milligrams per litre). The load of sediment is lower in the Canadian Shield area and on the...
  • Television and Radio

    Contained within the 3rd Edition (1957) of the Atlas of Canada is a plate that shows two condensed maps of television and radio stations across Canada. The top map shows the...
  • Influence of man

    The map shows dam sites and reservoir capacity in 1969, the water diversions in 1975, the steam-electric generating station greater than 20 megawatts operating in 1974, the...
  • Prince Edward Island (1974)

    Contained within the Atlas of Canada's Reference Map Series, 1961 to 2010, is a bilingual map of prince Edward Island. Because of the province's small size, the map can show a...
  • The World (1993)

    Contained within the Atlas of Canada's Reference Map Series, 1961 to 2010, is a map that shows international boundaries (and their status) current to February 1, 1993. By means...
  • Air Transportation Network

    Contained within the 5th Edition (1978 to 1995) of the National Atlas of Canada is a map that shows several classes of airports, charter bases and air routes, each in several...
  • Forest Inventory Maps

    Contained within the 3rd Edition (1957) of the Atlas of Canada is a map that shows the portions of land in four condensed maps which illustrate the kind of forest maps that were...
  • 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...
  • Air temperature measurement network

    The map shows the location of the air temperature measurement stations. Fragmentary meteorological reports were prepared and published by European explorers in the North...
  • The Boreal Forest

    Contained within the Atlas of Canada Poster Map Series, is a poster which shows the location of boreal forest in Canada. The two sided poster graphically depicts the importance...
  • Dates of formation and loss of snow cover

    The map shows isolines on four different dates: 1) the day of the year when there are less than or equal to 2.5 centimetres of snow that occurs and remain absent for 7 or more...
  • Aeronautical Charts

    Contained within the 3rd Edition (1957) of the Atlas of Canada is a plate that shows ten condensed maps that lustrate the kinds of aeronautical charts that were prepared by the...
  • The World (2000)

    Contained within the Atlas of Canada's Reference Map Series, 1961 to 2010, is a map that shows international boundaries (and their status) current to January 2000. By means of...
  • Groundwater observation wells

    The map shows the location of the six hydrogeological regions in Canada and the location of observation wells. The terrain composition is also shown on the map, which includes...
  • Airports, Aerodromes and Time Zones

    Contained within the 4th Edition (1974) of the Atlas of Canada is a plate map that shows 2 maps. The first map shows the locations of airports and aerodromes as of 1967, and...
  • Canada and the World

    Contained within the 3rd Edition (1957) of the Atlas of Canada is a map that shows four condensed maps of the World, depicting the state of international affairs involving...
  • Forests

    Contained within the 1st Edition (1906) of the Atlas of Canada is a map that shows the extent of forested regions, using tints of green, in Canada circa 1906. These regions...
  • Extent of Mapping Surveys - 1955

    Contained within the 3rd Edition (1957) of the Atlas of Canada is a plate that shows four maps, circa 1955. On the left of this plate, the top map shows the extent of township...
  • Canada-Indian and Inuit Communities Prairie Provinces

    Contained within the Atlas of Canada's Reference Map Series, 1961 to 2010, is a map showing the extent of Indian and Inuit Communities in the Prairie Provinces. Indian Reserves...
  • Humidity and Fog

    Contained within the 3rd Edition (1957) of the Atlas of Canada is six maps that show the humidity and fog occurrences across Canada. Two maps on the top that show the mean...
Vous pouvez également accéder à ce catalogue en utilisant l'API (cf. Documentation de l'API).