Articles | Volume 22, issue 5
https://doi.org/10.5194/bg-22-1447-2025
https://doi.org/10.5194/bg-22-1447-2025
Research article
 | 
17 Mar 2025
Research article |  | 17 Mar 2025

Consistency of global carbon budget between concentration- and emission-driven historical experiments simulated by CMIP6 Earth system models and suggestions for improved simulation of CO2 concentration

Tomohiro Hajima, Michio Kawamiya, Akihiko Ito, Kaoru Tachiiri, Chris D. Jones, Vivek Arora, Victor Brovkin, Roland Séférian, Spencer Liddicoat, Pierre Friedlingstein, and Elena Shevliakova

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • CC1: 'Comment on egusphere-2024-188', William Wieder, 15 Feb 2024
    • AC1: 'Reply on CC1', Tomohiro Hajima, 28 Feb 2024
  • RC1: 'Comment on egusphere-2024-188', Anonymous Referee #1, 08 Apr 2024
    • AC3: 'Reply on RC1', Tomohiro Hajima, 17 Sep 2024
  • CC2: 'Comment on egusphere-2024-188', Stephen E. Schwartz, 03 Jun 2024
    • AC2: 'Reply on CC2', Tomohiro Hajima, 05 Jun 2024
  • RC2: 'Comment on egusphere-2024-188', Anonymous Referee #2, 15 Aug 2024
    • AC4: 'Reply on RC2', Tomohiro Hajima, 17 Sep 2024

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision | EF: Editorial file upload
ED: Reconsider after major revisions (04 Oct 2024) by Anja Rammig
AR by Tomohiro Hajima on behalf of the Authors (03 Dec 2024)  Author's response   Author's tracked changes   Manuscript 
EF by Daria Karpachova (03 Dec 2024)  Supplement 
ED: Publish as is (15 Jan 2025) by Anja Rammig
AR by Tomohiro Hajima on behalf of the Authors (22 Jan 2025)
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Short summary
This study analyzes atmospheric CO2 concentrations and global carbon budgets simulated by multiple Earth system models, using several types of simulations (CO2  concentration- and emission-driven experiments). We successfully identified problems with regard to the global carbon budget in each model. We also found urgent issues with regard to land use change CO2 emissions that should be solved in the latest generation of models.
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