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Glaciology

Enigmatic Arctic ice sheets

To what extent was the Arctic Ocean glaciated in the past? Heavily, according to data, gathered by a submarine, which show considerable ice-scouring of topography in parts of the ocean basin.

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Figure 1: Possible ice-sheet distribution around the Arctic Ocean during the Last Glacial Maximum, about 20,000 years ago.
Figure 2: Profile across the Arctic Ocean, as indicated by the red line in Fig. 1.

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Correspondence to Robert Spielhagen.

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Spielhagen, R. Enigmatic Arctic ice sheets. Nature 410, 427–428 (2001). https://doi.org/10.1038/35068665

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