Articles | Volume 11, issue 12
Clim. Past, 11, 1751–1767, 2015
https://doi.org/10.5194/cp-11-1751-2015
Clim. Past, 11, 1751–1767, 2015
https://doi.org/10.5194/cp-11-1751-2015

Research article 18 Dec 2015

Research article | 18 Dec 2015

Did high Neo-Tethys subduction rates contribute to early Cenozoic warming?

G. Hoareau et al.

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ED: Publish subject to minor revisions (review by Editor) (27 Oct 2015) by Yves Godderis
AR by Guilhem Hoareau on behalf of the Authors (04 Nov 2015)  Author's response    Manuscript
ED: Publish as is (25 Nov 2015) by Yves Godderis
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Short summary
The impact of Neo-Tethys closure on early Cenozoic warming has been tested. First, the volume of subducted sediments and the amount of CO2 emitted along the northern Tethys margin has been calculated. Second, corresponding pCO2 have been tested using the GEOCLIM model. Despite high CO2 production, maximum pCO2 values (750ppm) do not reach values inferred from proxies. Other cited sources of excess CO2 such as the NAIP are also below fluxes required by GEOCLIM to fit with proxy data.