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Using this graphic and referring to it is encouraged, and please use it in presentations, web pages, newspapers, blogs and reports. For any form of publication, please include the link to this page and give the cartographer/designer credit (in this case Hugo Ahlenius, UNEP/GRID-Arendal)
Source(s)
ACIA. 2004. Impacts of Warming Arctic: Arctic Climate Impact Assessment. Cambridge, UK: Cambridge University Press.
Fetterer, F., and K. Knowles. 2002, updated 2004. Sea ice index. Boulder, CO: National Snow and Ice Data Center. Digital media. (ftp://sidads.colorado.edu/DATASETS/NOAA/G02135/ Accessed October 2007)
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Uploaded on Saturday 25 Feb 2012
by GRID-Arendal
The decrease of Arctic sea ice, minimum extent in 1982 and 2007, and climate projections
Year:
2007
Author:
Hugo Ahlenius, UNEP/GRID-Arendal
Description:
Sattelite observations of the september extent of sea ice in the Arctic shows in 2007 shows a 23% decrease from the previous minimum, in 2005, and 39% below the average minimum extent for the time period 1979-2000. The bottom part of this graphic shows the development according to the Arctic Climate Impact Assessment (ACIA) and the merging of five global climate models - the resultant projections shows sucessive decreases for this century. The Arctic sea ice represents a habitat for wildlife, a climate change indicator and an important factor in the global circulation systems. This graphic is also available in Norwegian.
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