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News and Views
Nature 389, 20-21 (4 September 1997) | doi:10.1038/37876
Climate change: Icy message from the Antarctic
Eugene Murphy & John King
Historically, much of the whaling in the Antarctic occurred in the vicinity of the ice edge where the whales congregated to feed on krill. During the austral spring, the whalers tracked the animals as they moved south with the edge of the sea ice, and their records of harvesting position thus provide proxy data for ice extent before monitoring by satellite began.
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