Journal
IEEE GEOSCIENCE AND REMOTE SENSING LETTERS
Volume 1, Issue 2, Pages 71-74Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LGRS.2004.824741
Keywords
Ice age; ice motion; surface heat budget of the Arctic (SHEBA)
Categories
Funding
- National Science Office of Polar Programs [OPP-0084324]
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Combining gridded ice motions with daily ice extent maps, it is possible to track the evolution of sea ice in the Arctic region. Classifying the ice by ice age, this evolution reveals that the area of the oldest (>4 years) ice is decreasing in the Arctic Basin and is being replaced by younger, first-year ice. As a result, the extent of the oldest ice retreats to a relatively small area north of the Canadian Archipelago, with narrow bands that spread out across the central Arctic. This new approach reinforces the work done by others showing the changes in the Arctic sea ice cover over the past two decades.
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