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Nature 456, 331-333 (20 November 2008) | doi:10.1038/456331a; Published online 19 November 2008

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Palaeoclimate: Greenhouse-gas fingerprints

Thomas F. Stocker1 & Adrian Schilt1

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Short episodes of warming and cooling occurred throughout the last glaciation. An innovative modelling study indicates that ocean-circulation changes produced much of the causative variation in greenhouse gases.

Much of what we know about abrupt climate change and tipping points in the climate system comes from polar ice cores1. But these unique data archives provide only a narrow view of the richness of climate dynamics and impacts.

  1. Thomas F. Stocker and Adrian Schilt are in the Division of Climate and Environmental Physics, and the Oeschger Centre for Climate Change Research, University of Bern, Sidlerstrasse 5, 3012 Bern, Switzerland.
    Email: stocker@climate.unibe.ch

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