File:February Arctic Ice Age Composition.jpg

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Description Timeseries of ice age showing the proportional composition of the total ice area covered by ice of different ages. Multiyear (2-5 year old and 6+ year old, green and blue colors) ice once covered over 50 percent of the Arctic, but in 2008 accounts for less than 30 percent. Old ice (in blue) once covered over 20 percent of the area of the Arctic, but now only covers about 6 percent. The proportion of first-year ice has increased from about 50 percent during the 1980s and 1990s to over 70 percent in 2008. NSIDC, data from S. Drobot, J. Maslanik, and C. Fowler, University of Colorado, Boulder
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Source http://www.nasa.gov/topics/earth/features/seaice_conditions_media_prt.htm
Author NSIDC, data from S. Drobot, J. Maslanik, and C. Fowler, University of Colorado, Boulder

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Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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current16:09, 21 May 2008Thumbnail for version as of 16:09, 21 May 20083,155 × 2,446 (341 KB)Sagredo (talk | contribs){{Information |Description=Timeseries of ice age showing the proportional composition of the total ice area covered by ice of different ages. Multiyear (2-5 year old and 6+ year old, green and blue colors) ice once covered over 50 percent of the Arctic, b

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