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The Arctic, as defined by summer temperature The Arctic, as defined by summer temperature
The Arctic is a region not easily delineated by one boundary or definition - it includes the Arctic Ocean and the land areas around it, including Greenland, Eurasia and North America. A climate definition of the Arctic is the 10 centigrade July isotherm. This limit roughly coincides with the treeline and represents a change in growing conditions for plants. As visible in the map, this also includes mountainous and alpine areas. The map also prese...
01 Nov 2010 - by Hugo Ahlenius, UNEP/GRID-Arendal
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