Image:February Arctic Ice Age Composition.jpg
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[edit] Summary
| 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 |
| Date |
March 18, 2008 |
| Author |
NSIDC, data from S. Drobot, J. Maslanik, and C. Fowler, University of Colorado, Boulder |
| Permission (Reusing this image) |
see below |
[edit] Licensing:
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This file is in the public domain because it was created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (NASA copyright policy page or JPL Image Use Policy).
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| Date/Time | Dimensions | User | Comment | |
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| current | 16:09, 21 May 2008 | 3,155×2,446 (341 KB) | Sagredo | ({{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) |
