Above image shows Arctic sea ice extent (total area of at least 15% ice concentration) for the last 7 years, compared to the average 1972-2011, as calculated by the Polar View team at the University of Bremen, Germany.
View Paul Beckwith's August 30 presentation on sea ice speed and drift by clicking on the following link:
https://docs.google.com/file/d/0ByLujhsHsxP7VTlsczIyalpjNDQ/edit
Or, view the presentation in the window below (it may take some time for the file to fully load).
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