Articles | Volume 12, issue 4
Clim. Past, 12, 837–847, 2016
https://doi.org/10.5194/cp-12-837-2016

Special issue: Climatic and biotic events of the Paleogene

Clim. Past, 12, 837–847, 2016
https://doi.org/10.5194/cp-12-837-2016

Research article 07 Apr 2016

Research article | 07 Apr 2016

Constraints on ocean circulation at the Paleocene–Eocene Thermal Maximum from neodymium isotopes

April N. Abbott et al.

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Short summary
The Paleocene-Eocene Thermal Maximum (PETM) was a brief period when the Earth was in an extreme greenhouse state. We use neodymium isotopes to suggest that during this time deep-ocean circulation was distinct in each basin (North and South Atlanic, Southern, Pacific) with little exchange between. Moreover, the Pacific data show the most variability, suggesting this was a critical region possibly involved in both PETM triggering and remediation.