The role of air–sea fluxes for the water vapour isotope signals in the cold and warm sectors of extratropical cyclones over the Southern Ocean

Thurnherr, Iris; Hartmuth, Katharina; Jansing, Lukas; Gehring, Josué; Boettcher, Maxi; Gorodetskaya, Irina; Werner, Martin; Wernli, Heini; Aemisegger, Franziska

doi:https://doi.org/10.5194/wcd-2-331-2021

Articles | Volume 2, issue 2

https://doi.org/10.5194/wcd-2-331-2021

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

https://doi.org/10.5194/wcd-2-331-2021

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

Articles | Volume 2, issue 2

Research article

|

14 Apr 2021

Research article |

| 14 Apr 2021

The role of air–sea fluxes for the water vapour isotope signals in the cold and warm sectors of extratropical cyclones over the Southern Ocean

Iris Thurnherr, Katharina Hartmuth, Lukas Jansing, Josué Gehring, Maxi Boettcher, Irina Gorodetskaya, Martin Werner, Heini Wernli, and Franziska Aemisegger

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Final revised paper (published on 14 Apr 2021)
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Preprint (discussion started on 22 Sep 2020)

Interactive discussion

Status: closed

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

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RC1: 'Review of "The role of air-sea fluxes for the water vapour isotope signals in the cold and warm sectors of extra-tropical cyclones over the Southern Ocean” by Thurnherr et al.', Anonymous Referee #1, 27 Oct 2020
- AC1: 'Replies to Review 1', Iris Thurnherr, 15 Dec 2020
RC2: 'Review of the manuscript «The role of air-sea fluxes for the water vapour isotope signals in the cold and warm sectors of extratropical cyclones over the Southern Ocean » ', Anonymous Referee #2, 04 Nov 2020
- AC2: 'Replies to Review 2', Iris Thurnherr, 15 Dec 2020

Peer-review completion

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

AR by Iris Thurnherr on behalf of the Authors (12 Jan 2021) Author's response Manuscript

ED: Referee Nomination & Report Request started (22 Jan 2021) by Helen Dacre

RR by Anonymous Referee #1 (03 Feb 2021)

RR by Anonymous Referee #3 (14 Feb 2021)

ED: Publish subject to technical corrections (16 Feb 2021) by Helen Dacre

AR by Iris Thurnherr on behalf of the Authors (02 Mar 2021) Manuscript

Short summary

Extratropical cyclones are important for the transport of moisture from low to high latitudes. In this study, we investigate how the isotopic composition of water vapour is affected by horizontal temperature advection associated with extratropical cyclones using measurements and modelling. It is shown that air–sea moisture fluxes induced by this horizontal temperature advection lead to the strong variability observed in the isotopic composition of water vapour in the marine boundary layer.