Articles | Volume 17, issue 5
Clim. Past, 17, 1881–1902, 2021
https://doi.org/10.5194/cp-17-1881-2021
Clim. Past, 17, 1881–1902, 2021
https://doi.org/10.5194/cp-17-1881-2021

Research article 23 Sep 2021

Research article | 23 Sep 2021

The triple oxygen isotope composition of phytoliths, a new proxy of atmospheric relative humidity: controls of soil water isotope composition, temperature, CO2 concentration and relative humidity

Clément Outrequin 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 cp-2021-34', Anonymous Referee #1, 13 May 2021
  • RC2: 'Comment on cp-2021-34', Anonymous Referee #2, 20 May 2021
  • RC3: 'Comment on cp-2021-34', Anonymous Referee #3, 27 May 2021

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (review by editor) (25 Jun 2021) by Alberto Reyes
AR by Anna Mirena Feist-Polner on behalf of the Authors (21 Jul 2021)  Author's response
ED: Publish as is (05 Aug 2021) by Alberto Reyes

Post-review adjustments

AA: Author's adjustment | EA: Editor approval
AA by Anne Alexandre on behalf of the Authors (10 Sep 2021)   Author's adjustment  
EA: Adjustments approved (13 Sep 2021) by Alberto Reyes
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Short summary
Continental atmospheric humidity is a key climate parameter poorly captured by global climate models. Model–data comparison approaches that are applicable beyond the instrumental period are essential to progress on this issue but face a lack of quantitative relative humidity proxies. Here, we calibrate the triple oxygen isotope composition of phytoliths as a new quantitative proxy of continental relative humidity suitable for past climate reconstructions.