Climatic information archived in ice cores: impact of intermittency and diffusion on the recorded isotopic signal in Antarctica

Casado, Mathieu; Münch, Thomas; Laepple, Thomas

doi:https://doi.org/10.5194/cp-16-1581-2020

Articles | Volume 16, issue 4

https://doi.org/10.5194/cp-16-1581-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/cp-16-1581-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 16, issue 4

Research article

| Highlight paper

|

25 Aug 2020

Research article | Highlight paper |

| 25 Aug 2020

Climatic information archived in ice cores: impact of intermittency and diffusion on the recorded isotopic signal in Antarctica

Mathieu Casado, Thomas Münch, and Thomas Laepple

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Final revised paper (published on 25 Aug 2020)
Supplement to the final revised paper
Preprint (discussion started on 07 Nov 2019)
Supplement to the preprint

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Review of Casado et al.', Sentia Goursaud, 23 Dec 2019
- AC1: 'Response review discussion CP-2019-134', Mathieu Casado, 06 Apr 2020
RC2: 'Review of Casado et al, Climatic information archived in ice cores…', Anonymous Referee #2, 18 Jan 2020
- AC1: 'Response review discussion CP-2019-134', Mathieu Casado, 06 Apr 2020

Peer-review completion

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

AR by Mathieu Casado on behalf of the Authors (23 Jun 2020)

ED: Publish subject to minor revisions (review by editor) (30 Jun 2020) by Elizabeth Thomas

AR by Mathieu Casado on behalf of the Authors (30 Jun 2020) Author's response Manuscript

ED: Publish as is (13 Jul 2020) by Elizabeth Thomas

AR by Mathieu Casado on behalf of the Authors (20 Jul 2020)

Short summary

The isotopic composition in ice cores from Antarctica is usually interpreted as a temperature proxy. Using a forward model, we show how different the signal in ice cores and the actual climatic signal are. Precipitation intermittency and diffusion do indeed affect the archived signal, leading to the reshuffling of the signal which limits the ability to reconstruct high-resolution climatic variations with ice cores.