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Climate of the Past An interactive open-access journal of the European Geosciences Union
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Volume 12, issue 2
Clim. Past, 12, 241–253, 2016
https://doi.org/10.5194/cp-12-241-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: Climatic and biotic events of the Paleogene

Clim. Past, 12, 241–253, 2016
https://doi.org/10.5194/cp-12-241-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 10 Feb 2016

Research article | 10 Feb 2016

Estimates of late middle Eocene pCO2 based on stomatal density of modern and fossil Nageia leaves

X. Y. Liu et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (04 Nov 2015) by Gerald Dickens
AR by Anna Wenzel on behalf of the Authors (22 Dec 2015)  Author's response    Manuscript
ED: Publish subject to minor revisions (review by Editor) (30 Dec 2015) by Gerald Dickens
AR by Anna Wenzel on behalf of the Authors (05 Jan 2016)  Author's response    Manuscript
ED: Publish as is (08 Jan 2016) by Gerald Dickens
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Short summary
We reconstruct late middle Eocene (42.0–38.5 Ma) pCO2 based on the fossil leaves of Nageia maomingensis Jin et Liu collected from the Maoming Basin, Guangdong Province, China. This work indicates that the stomatal density (SD) inversely responds to pCO2, while stomatal index (SI) has almost no relationship with pCO2, using "modern" leaves of N. motleyi (Parl.) De Laub. Regression approach gives a pCO2 of 351.9 ± 6.6 ppmv, whereas stomatal ratio method gives a pCO2 of 537.5 ± 56.5 ppmv.
We reconstruct late middle Eocene (42.0–38.5 Ma) pCO2 based on the fossil leaves of Nageia...
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