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32 records found
  • Precipitation networks

    The Atmospheric Environment Service has no network density limitations for stations reporting precipitation. As general guidance it is suggested that gauge separations should be about 15 miles (24 kilometres) in rural areas; a higher density is desirable in more heavily populated areas, and in...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • April Mean Total Precipitation

    The map shows the mean total precipitation in the month of April. April is a transitional month across much of southern Canada, when snow is still possible but rainfall begins to dominate the precipitation regime. Precipitation amounts across the southern interior of Canada are somewhat greater...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JP2
    • ZIP
    • other
  • Oil and Gas Fields, Pipelines and Processing Plants, 1970, Eastern Canada

    Contained within the 4th Edition (1974) of the Atlas of Canada is a collection of graphics and two maps. The first map shows the location of oil and gas fields, pipelines and processing plants for Eastern Canada. The capacity and location of oil refineries and gas processing plants are also...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • PDF
    • JPG
  • Land Cover of Canada

    Contained within the Atlas of Canada's Various Map Series, 1965 to 2006, is map which shows the distribution of land cover types across Canada. The images are Advanced Very High Resolution Radiometer data, which means very precise detail, is shown on the map. The land cover map contains 31 land...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Radiation

    The plate contains four maps: (1) map of the global solar radiation network and sunshine recorder network; (2) annual global solar radiation; (3) June cloudless day radiation; and (4) mean annual net radiation. Stations recorded data to the end of 1970. Solar and net radiation are measured from a...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Winds

    The plate contains four maps: Annual Winds, March Winds, August Winds and Annual Maximum Wind Speed. For each of the first three maps the frequency of wind, the mean speed of wind, and the frequency of calms are shown. On all three maps the frequency scale is 1 millimetre equals 2 percent. These...
    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
  • Space Weather - Geomagnetic Activity Zones

    The magnetic field of the Earth is influenced by the electromagnetic environment of the solar system. The disturbed interplanetary environment changes the conditions of the natural electromagnetic environment of our planet and affects normal operation of space and ground technological...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JP2
    • ZIP
    • other
  • Space Weather - Telluric Activity Zones

    The magnetic field of the Earth is influenced by the electromagnetic environment of the solar system. The disturbed interplanetary environment changes the conditions of the natural electromagnetic environment of our planet and affects normal operation of space and ground technological...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JP2
    • ZIP
    • other
  • Mean January daily temperature

    The map shows the mean January daily temperature based on the 30-year period 1941-1970. The lowest mean January daily temperatures are below -35 degrees Celsius and are located on Ellesmere Island and on Axel Heiberg Island and south of the Boothia Peninsula in Nunavut. The highest mean January...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
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