Articles | Volume 13, issue 9
Clim. Past, 13, 1259–1267, 2017
https://doi.org/10.5194/cp-13-1259-2017

Special issue: Publications by EGU Medallists

Clim. Past, 13, 1259–1267, 2017
https://doi.org/10.5194/cp-13-1259-2017

Research article 25 Sep 2017

Research article | 25 Sep 2017

The Plio-Pleistocene climatic evolution as a consequence of orbital forcing on the carbon cycle

Didier Paillard

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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (15 Jul 2017) by Arne Winguth
AR by Didier Paillard on behalf of the Authors (10 Aug 2017)  Author's response    Manuscript
ED: Publish as is (21 Aug 2017) by Arne Winguth
Short summary
Ice ages are paced by astronomical parameters. On longer timescales, the astronomy also acts on climate, as evidenced by the 400 kyr signature observed in carbon isotopic records. In this paper, I present a conceptual model that links the astronomy to the dynamics of organic carbon in coastal areas. The model reproduces the carbon isotopic records and a two-step decrease in atmospheric CO2 that would explain the Pleistocene (~ 2.8 Myr BP) and mid-Pleistocene (~ 0.8 Myr BP) transition.