Annual Total Global Solar Radiation: 1971 to 2000

 
 
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 The northern parts of Alberta receive less energy from the sun than the southern parts. Southern Alberta receives the greatest amount of annual global solar radiation (more than 4,800 megajoules per square metre). This amount gradually decreases farther north to less than 4,200 megajoules per square metre.

Differences in the amount of cloud cover are likely affecting the pattern seen on this map, with heavier cloud cover in the mountains reducing the amount of solar radiation received there. In addition, very few Alberta stations collect solar radiation data, which can make the interpolated pattern less reliable.

 
 
 
 
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For more information about the content of this document, contact Ralph Wright.
This document is maintained by Laura Thygesen.
This information published to the web on April 4, 2003.
Last Reviewed/Revised on April 11, 2013.