High-precision laser spectrometer for multiple greenhouse gas analysis in 1&thinsp;mL air from ice core samples

Bereiter, Bernhard; Tuzson, Béla; Scheidegger, Philipp; Kupferschmid, André; Looser, Herbert; Mächler, Lars; Baggenstos, Daniel; Schmitt, Jochen; Fischer, Hubertus; Emmenegger, Lukas

doi:https://doi.org/10.5194/amt-13-6391-2020

Articles | Volume 13, issue 11

https://doi.org/10.5194/amt-13-6391-2020

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

https://doi.org/10.5194/amt-13-6391-2020

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

Articles | Volume 13, issue 11

Research article

|

28 Nov 2020

Research article |

| 28 Nov 2020

High-precision laser spectrometer for multiple greenhouse gas analysis in 1 mL air from ice core samples

Bernhard Bereiter, Béla Tuzson, Philipp Scheidegger, André Kupferschmid, Herbert Looser, Lars Mächler, Daniel Baggenstos, Jochen Schmitt, Hubertus Fischer, and Lukas Emmenegger

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Final revised paper (published on 28 Nov 2020)
Preprint (discussion started on 14 Aug 2020)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Review of Bereiter et al.', Anonymous Referee #1, 11 Sep 2020
- AC1: 'Answer to Referee #1', Bela Tuzson, 22 Oct 2020
RC2: 'Review of Bereiter et al.', Anonymous Referee #2, 14 Sep 2020
- AC2: 'Answer to Referee #2', Bela Tuzson, 22 Oct 2020
SC1: 'Fantastic instrument but what about drilling fluid?', Thomas Bauska, 14 Sep 2020
- AC3: 'Reply to Thomas Bauska', Bela Tuzson, 22 Oct 2020

Peer-review completion

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

AR by Béla Tuzson on behalf of the Authors (22 Oct 2020) Author's response Manuscript

ED: Publish subject to technical corrections (23 Oct 2020) by Hendrik Fuchs

AR by Béla Tuzson on behalf of the Authors (23 Oct 2020) Manuscript

Short summary

The record of past greenhouse gas composition from ice cores is crucial for our understanding of global climate change. Deciphering this archive requires highly accurate and spatially resolved analysis of the very small amount of gas that is trapped in the ice. This is achieved with a mid-IR laser absorption spectrometer that provides simultaneous, high-precision measurements of CH₄, N₂O, CO₂, and δ¹³C(CO₂) and which will be coupled to a quantitative sublimation extraction method.