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NOAA-barrow-ice
 

 

 

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Description
English: Sea ice forms along the coast in the winter, and generally melts of breaks away by mid July. Observations of sea ice position reveal considerable year-to-year variability. Changes in the timing of coastal sea ice breakup and in the location of offshore sea ice have significant local impacts: ecological, biological, and human. This image series portrays changes in the timing of coastal sea ice breakup, and gives information on smaller scale properties of ice. This information, recorded over long periods, is required to understand and model the dynamics of sea ice and how changes or trends may develop and influence other systems.

History of classified status, and FOIA requests of this image: http://www.guardian.co.uk/environment/2009/jul/26/climate-change-obama-administration

http://www.reuters.com/article/environmentNews/idUSTRE56F6N220090717

http://www.sciencedaily.com/releases/2009/07/090715112033.htm

http://news.slashdot.org/story/09/07/28/0017214/Formerly-Classified-Global-Warming-Spy-Photos-Released
Date
Source http://gfl.usgs.gov/Publications.shtml , http://gfl.usgs.gov/publications/posters/barrow.zip
Author USGS
Permission
(Reusing this file)
Public domain This image is in the public domain because it contains materials that originally came from the United States Geological Survey, an agency of the United States Department of Interior. For more information, see the official USGS copyright policy

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