Comparison of the oxygen isotope signatures in speleothem records and iHadCM3 model simulations for the last millennium

Bühler, Janica C.; Roesch, Carla; Kirschner, Moritz; Sime, Louise; Holloway, Max D.; Rehfeld, Kira

doi:https://doi.org/10.5194/cp-17-985-2021

Articles | Volume 17, issue 3

https://doi.org/10.5194/cp-17-985-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/cp-17-985-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 17, issue 3

Research article

|

05 May 2021

Research article |

| 05 May 2021

Comparison of the oxygen isotope signatures in speleothem records and iHadCM3 model simulations for the last millennium

Janica C. Bühler, Carla Roesch, Moritz Kirschner, Louise Sime, Max D. Holloway, and Kira Rehfeld

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Final revised paper (published on 05 May 2021)
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Preprint (discussion started on 29 Sep 2020)
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Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Review comments for Bühler et al.', Anonymous Referee #1, 22 Oct 2020
- AC1: 'Response to Reviewer 1', Janica Buehler, 06 Nov 2020
RC2: 'Review of manuscript: CP_2020_121 by Bühler et al.', Jens Fohlmeister, 30 Nov 2020
- AC2: 'Response to Reviewer Jens Fohlmeister', Janica Buehler, 16 Dec 2020

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

ED: Publish subject to minor revisions (review by editor) (11 Feb 2021) by Dominik Fleitmann

AR by Janica Buehler on behalf of the Authors (20 Feb 2021) Author's response Author's tracked changes Manuscript

ED: Publish as is (11 Mar 2021) by Dominik Fleitmann

Short summary

We present three new isotope-enabled simulations for the last millennium (850–1850 CE) and compare them to records from a global speleothem database. Offsets between the simulated and measured oxygen isotope ratios are fairly small. While modeled oxygen isotope ratios are more variable on decadal timescales, proxy records are more variable on (multi-)centennial timescales. This could be due to a lack of long-term variability in complex model simulations, but proxy biases cannot be excluded.