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.
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.
the Creative Commons Attribution 4.0 License.
Research article
| 
21 Jul 2026
Research article |
| 21 Jul 2026
| 21 Jul 2026
Methanethiol and dimethyl sulfide measurements in seawater and the atmosphere around the Antarctic Peninsula and in the Weddell Sea
Department of Marine Biology and Oceanography, Institut de Ciències del Mar (CSIC), Barcelona, Catalonia, Spain
Centre of Ocean and Atmospheric Sciences, University of East Anglia, Norwich, UK
National Centre for Atmospheric Science, University of East Anglia, Norwich, UK
Aerodyne Research, Billerica, MA, USA
Elisabeth S. M. Deschaseaux
Department of Marine Biology and Oceanography, Institut de Ciències del Mar (CSIC), Barcelona, Catalonia, Spain
Lauriane L. J. Quéléver
Institute for Atmospheric and Earth System Research (INAR-Physics), University of Helsinki, Helsinki, Finland
David C. S. Beddows
National Centre for Atmospheric Science, University of Birmingham, Birmingham, UK
Harald Stark
Aerodyne Research, Billerica, MA, USA
Veronika Pospisilova
Tofwerk AG, Thun, Switzerland
Felipe D. Lopez-Hilfiker
Tofwerk AG, Thun, Switzerland
Guillaume Chamba
Laboratoire de Météorologie Physique, CNRS UMR 6016, Université Clermont Auvergne, Aubière, France
Karine Sellegri
Laboratoire de Météorologie Physique, CNRS UMR 6016, Université Clermont Auvergne, Aubière, France
Elisabet L. Sà
Department of Marine Biology and Oceanography, Institut de Ciències del Mar (CSIC), Barcelona, Catalonia, Spain
Queralt Güell-Bujons
Department of Marine Biology and Oceanography, Institut de Ciències del Mar (CSIC), Barcelona, Catalonia, Spain
Magda Vila
Department of Marine Biology and Oceanography, Institut de Ciències del Mar (CSIC), Barcelona, Catalonia, Spain
Yaiza M. Castillo
Department of Marine Biology and Oceanography, Institut de Ciències del Mar (CSIC), Barcelona, Catalonia, Spain
Arianna Rocchi
Department of Marine Biology and Oceanography, Institut de Ciències del Mar (CSIC), Barcelona, Catalonia, Spain
Ana Sotomayor
Department of Marine Biology and Oceanography, Institut de Ciències del Mar (CSIC), Barcelona, Catalonia, Spain
Unitat de Tecnologia Marina (CSIC), Barcelona, Catalonia, Spain
Dolors Vaqué
Department of Marine Biology and Oceanography, Institut de Ciències del Mar (CSIC), Barcelona, Catalonia, Spain
Manuel Dall'Osto
Department of Marine Biology and Oceanography, Institut de Ciències del Mar (CSIC), Barcelona, Catalonia, Spain
Elisa Berdalet
Department of Marine Biology and Oceanography, Institut de Ciències del Mar (CSIC), Barcelona, Catalonia, Spain
Rafel Simó
CORRESPONDING AUTHOR
Department of Marine Biology and Oceanography, Institut de Ciències del Mar (CSIC), Barcelona, Catalonia, Spain
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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.
Methanethiol and dimethyl sulfide are precursors to aerosols which cool the climate. Here we...
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