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Palaeoclimate

Carbon feedbacks on repeat?

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A period of rapid warming about 55.5 million years ago was triggered by a massive release of carbon. The carbon isotope composition of soil nodules provides evidence for a smaller, but still important, carbon release prior to the main event.

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Correspondence to Stephen Grimes.

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Grimes, S. Carbon feedbacks on repeat?. Nature Geosci 8, 7–8 (2015). https://doi.org/10.1038/ngeo2337

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