Kick-starting ancient warming

Rapid global warming marked the boundary between the Palaeocene and Eocene periods 55.6 million years ago, but how the temperature rise was initiated remains elusive. A catastrophic release of greenhouse gases from the Kilda basin could have served as a trigger.

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Figure 1: The evolution of the Kilda basin.
Figure 2: The fate of Kilda's methane.

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Correspondence to E. G. Nisbet or S. M. Jones.

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Nisbet, E., Jones, S., Maclennan, J. et al. Kick-starting ancient warming. Nature Geosci 2, 156–159 (2009). https://doi.org/10.1038/ngeo454

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