Methanethiol and dimethyl sulfide measurements in seawater and the atmosphere around the Antarctic Peninsula and in the Weddell Sea

Wohl, Charel; Williams, Leah R.; Deschaseaux, Elisabeth S. M.; Quéléver, Lauriane L. J.; Beddows, David C. S.; Stark, Harald; Pospisilova, Veronika; Lopez-Hilfiker, Felipe D.; Chamba, Guillaume; Sellegri, Karine; Sà, Elisabet L.; Güell-Bujons, Queralt; Vila, Magda; Castillo, Yaiza M.; Rocchi, Arianna; Sotomayor, Ana; Vaqué, Dolors; Dall'Osto, Manuel; Berdalet, Elisa; Simó, Rafel

doi:10.5194/acp-26-10149-2026

Articles | Volume 26, issue 14

https://doi.org/10.5194/acp-26-10149-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-26-10149-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 26, issue 14

Research article

|

21 Jul 2026

Research article |

| 21 Jul 2026

Methanethiol and dimethyl sulfide measurements in seawater and the atmosphere around the Antarctic Peninsula and in the Weddell Sea

Charel Wohl, Leah R. Williams, Elisabeth S. M. Deschaseaux, Lauriane L. J. Quéléver, David C. S. Beddows, Harald Stark, Veronika Pospisilova, Felipe D. Lopez-Hilfiker, Guillaume Chamba, Karine Sellegri, Elisabet L. Sà, Queralt Güell-Bujons, Magda Vila, Yaiza M. Castillo, Arianna Rocchi, Ana Sotomayor, Dolors Vaqué, Manuel Dall'Osto, Elisa Berdalet, and Rafel Simó

Download

Final revised paper (published on 21 Jul 2026)
Supplement to the final revised paper
Preprint (discussion started on 20 Mar 2026)
Supplement to the preprint

Interactive discussion

Status: closed

RC1: 'Comment on egusphere-2026-1472', Nadja Steiner, 05 May 2026

The manuacript presents a timly analysis of MeSH in connection with DMS, highlighting the potential importance and need to assess and observe and model MeSH alongside with DMS. This provides an excellent data set and analysis to support modelling experiments.
The manuscript is well written and I have only minor comments ( see attached pdf)
One caveat is, I am not a laboratory researcher and while the methods seem well described and clear, I cannot judge the actual methods.
While I would be willing to review an updated manuscript, I don't think it is necessary, given I only have minor comments

Citation: https://doi.org/10.5194/egusphere-2026-1472-RC1
RC2: 'Comment on egusphere-2026-1472', Manon Rocco, 05 May 2026

This manuscript provides essential measurements of DMS and MeSH concentrations in both the gas and aqueous phases. These data are valuable for better constraining models and improving our understanding of their role in the climate system.
The manuscript is well written, and I only have minor comments, which are provided in the attached PDF

Citation: https://doi.org/10.5194/egusphere-2026-1472-RC2
AC1: 'Comment on egusphere-2026-1472', Charel Wohl, 10 Jun 2026

We thank the reviewers for their careful reading of the manuscript and for their thoughtful suggestions for improvements. Please find our replies in the attached pdf document.

Citation: https://doi.org/10.5194/egusphere-2026-1472-AC1

Peer review completion

AR – Author's response | RR – Referee report | ED – Editor decision | EF – Editorial file upload

AR by Charel Wohl on behalf of the Authors (10 Jun 2026) Author's response Author's tracked changes Manuscript

ED: Publish as is (14 Jun 2026) by Kelvin Bates

AR by Leah Williams on behalf of the Authors (25 Jun 2026)

Download

Article (6295 KB)
Full-text XML

Short summary

Methanethiol and dimethyl sulfide are precursors to aerosols which cool the climate. Here we present measurements of these compounds in surface seawater and ambient air around the Antarctic Peninsula and in the Weddell Sea, highlighting that a large fraction of volatile sulfur emissions from the ocean is biogenic methanethiol. This dataset presents some of the factors driving the variability of these compounds.