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Palaeoclimate science

Pulsating ice sheet

During the last ice age, huge numbers of icebergs were episodically discharged from an ice sheet that covered North America. Numerical modelling suggests that these events resulted from a conceptually simple feedback cycle. See Letter p.332

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Figure 1: Icebergs in West Greenland.

MARTIN LÜTHI

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Correspondence to Andreas Vieli.

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Vieli, A. Pulsating ice sheet. Nature 542, 298–299 (2017). https://doi.org/10.1038/542298a

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