Articles | Volume 16, issue 5
Clim. Past, 16, 1953–1968, 2020
https://doi.org/10.5194/cp-16-1953-2020
Clim. Past, 16, 1953–1968, 2020
https://doi.org/10.5194/cp-16-1953-2020

Research article 26 Oct 2020

Research article | 26 Oct 2020

Global mean surface temperature and climate sensitivity of the early Eocene Climatic Optimum (EECO), Paleocene–Eocene Thermal Maximum (PETM), and latest Paleocene

Gordon N. Inglis et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (16 Jun 2020) by Yannick Donnadieu
AR by Gordon Inglis on behalf of the Authors (19 Jun 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (21 Jul 2020) by Yannick Donnadieu
RR by Anonymous Referee #1 (13 Aug 2020)
ED: Publish as is (02 Sep 2020) by Yannick Donnadieu
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Short summary
This paper presents estimates of global mean surface temperatures and climate sensitivity during the early Paleogene (∼57–48 Ma). We employ a multi-method experimental approach and show that i) global mean surface temperatures range between 27 and 32°C and that ii) estimates of bulk equilibrium climate sensitivity (∼3 to 4.5°C) fall within the range predicted by the IPCC AR5 Report. This work improves our understanding of two key climate metrics during the early Paleogene.