Articles | Volume 18, issue 14
Biogeosciences, 18, 4389–4429, 2021
https://doi.org/10.5194/bg-18-4389-2021
Biogeosciences, 18, 4389–4429, 2021
https://doi.org/10.5194/bg-18-4389-2021

Research article 28 Jul 2021

Research article | 28 Jul 2021

Incorporating the stable carbon isotope 13C in the ocean biogeochemical component of the Max Planck Institute Earth System Model

Bo Liu et al.

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on bg-2021-32', Pearse Buchanan, 15 Mar 2021
    • AC1: 'Reply on RC1', Bo Liu, 03 May 2021
  • RC2: 'Comment by A. Morée on Liu et al. 2021', Anne Morée, 17 Mar 2021
    • AC2: 'Reply on RC2', Bo Liu, 03 May 2021

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (review by editor) (11 May 2021) by Jack Middelburg
AR by Bo Liu on behalf of the Authors (27 May 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish subject to technical corrections (04 Jun 2021) by Jack Middelburg

Post-review adjustments

AA: Author's adjustment | EA: Editor approval
AA by Bo Liu on behalf of the Authors (26 Jul 2021)   Author's adjustment   Manuscript
EA: Adjustments approved (26 Jul 2021) by Jack Middelburg
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Short summary
We incorporate a new representation of the stable carbon isotope 13C in a global ocean biogeochemistry model. The model well reproduces the present-day 13C observations. We find a recent observation-based estimate of the oceanic 13C Suess effect (the decrease in 13C/12C ratio due to uptake of anthropogenic CO2; 13CSE) possibly underestimates 13CSE by 0.1–0.26 per mil. The new model will aid in better understanding the past ocean state via comparison to 13C/12C measurements from sediment cores.
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