Articles | Volume 19, issue 17
Biogeosciences, 19, 4107–4127, 2022
https://doi.org/10.5194/bg-19-4107-2022
Biogeosciences, 19, 4107–4127, 2022
https://doi.org/10.5194/bg-19-4107-2022
Research article
05 Sep 2022
Research article | 05 Sep 2022

Carbon isotopic ratios of modern C3 and C4 vegetation on the Indian peninsula and changes along the plant–soil–river continuum – implications for vegetation reconstructions

Frédérique M. S. A. Kirkels 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-2022-57', Anonymous Referee #1, 20 Apr 2022
  • RC2: 'Comment on bg-2022-57', Sarah Feakins, 12 May 2022

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (25 Jun 2022) by Steven Bouillon
AR by Frédérique M.S.A. Kirkels on behalf of the Authors (12 Jul 2022)  Author's response    Author's tracked changes    Manuscript
ED: Publish subject to minor revisions (review by editor) (19 Jul 2022) by Steven Bouillon
AR by Frédérique M.S.A. Kirkels on behalf of the Authors (04 Aug 2022)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (12 Aug 2022) by Steven Bouillon
AR by Frédérique M.S.A. Kirkels on behalf of the Authors (19 Aug 2022)  Author's response    Manuscript
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Short summary
The distinct carbon isotopic values of C3 and C4 plants are widely used to reconstruct past hydroclimate, where more C3 plants reflect wetter and C4 plants drier conditions. Here we examine the impact of regional hydroclimatic conditions on plant isotopic values in the Godavari River basin, India. We find that it is crucial to identify regional plant isotopic values and consider drought stress, which introduces a bias in C3 / C4 plant estimates and associated hydroclimate reconstructions.
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