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Wednesday, January 21, 2015

Old ice disappears from the Arctic

Published on Jan 21, 2015

Decades ago, the majority of the Arctic's winter ice pack was made up of thick, perennial ice. Today, very old ice is extremely rare. This animation tracks the relative amount of ice of different ages from 1987 through early November 2014. Video produced by the team, based on data provided by Mark Tschudi.

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