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PALAEOCLIMATE

Drilling for the oldest ice

Ice buried deep within the ice sheet on Antarctica preserves clues to past climatic change dating back more than a million years. A recent workshop discussed the challenges — and hopes — of drilling to these buried treasures.

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Fig. 1: Past temperatures and CO2 concentrations over the mid-Pleistocene transition.

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Correspondence to Dorthe Dahl-Jensen.

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Dahl-Jensen, D. Drilling for the oldest ice. Nature Geosci 11, 703–704 (2018). https://doi.org/10.1038/s41561-018-0241-2

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