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Use constraints
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)
CRU (2007). CRUTEM3v dataset. Climate Research Unit, University of East Anglia. http://www.cru.uea.ac.uk/cru/data/temperature [Accessed 6 April 2007]
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Uploaded on Tuesday 21 Feb 2012
by GRID-Arendal
Trends in Arctic temperature, 1880-2006
Year:
2007
Author:
Hugo Ahlenius, UNEP/GRID-Arendal
Description:
A history of Arctic land temperature anomalies from 1880 through 2006 is shown in this figure. The zero line represents the average temperature for 1961–1990. In the late 1800s the Arctic was relatively cold, although there is some uncertainty around these early temperature estimates. The Arctic warmed by about 0.7ºC over the 20th century. There was a warm period in the 1920s to 1940s and cold periods in the early 1900s and in the 1960s. Over the last decade the temperatures were about 1.0ºC above the 20th century average.
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