Articles | Volume 25, issue 3
https://doi.org/10.5194/acp-25-1931-2025
© Author(s) 2025. 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-25-1931-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
13 Feb 2025
Research article |
| 13 Feb 2025
| 13 Feb 2025
Cloud processing of dimethyl sulfide (DMS) oxidation products limits sulfur dioxide (SO2) and carbonyl sulfide (OCS) production in the eastern North Atlantic marine boundary layer
Delaney B. Kilgour
Department of Chemistry, University of Wisconsin-Madison, Madison, WI 53706, USA
Christopher M. Jernigan
Department of Chemistry, University of Wisconsin-Madison, Madison, WI 53706, USA
now at: Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, North Carolina 27711, USA
Olga Garmash
Department of Atmospheric Sciences, University of Washington, Seattle, WA 98195, USA
now at: Department of Chemistry, University of Copenhagen, 2100 Copenhagen, Denmark
Sneha Aggarwal
Department of Environmental Science, Stockholm University, Stockholm 10691, Sweden
Bolin Centre for Climate Research, Stockholm University, Stockholm 10691, Sweden
Shengqian Zhou
Center for Aerosol Science and Engineering, Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, St. Louis, MO 63130, USA
Claudia Mohr
Department of Environmental Science, Stockholm University, Stockholm 10691, Sweden
now at: Department of Environmental Systems Science, ETH Zurich, 8092 Zürich, Switzerland
now at: Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, 5232 Villigen, Switzerland
Matt E. Salter
Department of Environmental Science, Stockholm University, Stockholm 10691, Sweden
Bolin Centre for Climate Research, Stockholm University, Stockholm 10691, Sweden
Joel A. Thornton
Department of Atmospheric Sciences, University of Washington, Seattle, WA 98195, USA
Jian Wang
Center for Aerosol Science and Engineering, Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, St. Louis, MO 63130, USA
Paul Zieger
Department of Environmental Science, Stockholm University, Stockholm 10691, Sweden
Bolin Centre for Climate Research, Stockholm University, Stockholm 10691, Sweden
Timothy H. Bertram
CORRESPONDING AUTHOR
Department of Chemistry, University of Wisconsin-Madison, Madison, WI 53706, USA
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Cited
8 citations as recorded by crossref.
- The biogenic sulfur cycle in the coupled ocean–sea ice–atmosphere system S. Ishino et al. https://doi.org/10.1525/elementa.2025.00067
- Aircraft observations suggest an important contribution of methanesulfonic and sulfuric acids to tropical Indo-Pacific aerosol H. Klebach et al. https://doi.org/10.5194/acp-26-12355-2026
- Criegee Intermediate as a Major Atmospheric Sink for Methane Sulfonamide: A Pathway to Functionalized Hydroperoxides S. Ibrahim J et al. https://doi.org/10.1021/acs.est.5c14460
- Microdroplets as interfacial reactors: from bond breaking to atmospheric impacts Y. Song et al. https://doi.org/10.1039/D6CP01076H
- Organic Air Pollutants and Photochemical Smog: A Review of Sources, Atmospheric Transformation, Exposure Risks, and Mitigation Strategies M. Joseph et al. https://doi.org/10.65770/UMRE3932
- Drivers of Atmospheric Volatile Methylated Sulfur Variability Across the Southern Ocean and Antarctic Coast C. Mynard et al. https://doi.org/10.5194/acp-26-11583-2026
- Ecological and climatic significance of Dimethylsulfoniopropionate (DMSP) Beyond Algal Bloom: A comprehensive review J. Bora et al. https://doi.org/10.1016/j.enceco.2025.11.004
- Excited-State Chemistry of Hydroperoxymethyl Thioformate in the Troposphere D. Catalán-Fenollosa et al. https://doi.org/10.1021/acs.jpca.5c07092
8 citations as recorded by crossref.
- The biogenic sulfur cycle in the coupled ocean–sea ice–atmosphere system S. Ishino et al. https://doi.org/10.1525/elementa.2025.00067
- Aircraft observations suggest an important contribution of methanesulfonic and sulfuric acids to tropical Indo-Pacific aerosol H. Klebach et al. https://doi.org/10.5194/acp-26-12355-2026
- Criegee Intermediate as a Major Atmospheric Sink for Methane Sulfonamide: A Pathway to Functionalized Hydroperoxides S. Ibrahim J et al. https://doi.org/10.1021/acs.est.5c14460
- Microdroplets as interfacial reactors: from bond breaking to atmospheric impacts Y. Song et al. https://doi.org/10.1039/D6CP01076H
- Organic Air Pollutants and Photochemical Smog: A Review of Sources, Atmospheric Transformation, Exposure Risks, and Mitigation Strategies M. Joseph et al. https://doi.org/10.65770/UMRE3932
- Drivers of Atmospheric Volatile Methylated Sulfur Variability Across the Southern Ocean and Antarctic Coast C. Mynard et al. https://doi.org/10.5194/acp-26-11583-2026
- Ecological and climatic significance of Dimethylsulfoniopropionate (DMSP) Beyond Algal Bloom: A comprehensive review J. Bora et al. https://doi.org/10.1016/j.enceco.2025.11.004
- Excited-State Chemistry of Hydroperoxymethyl Thioformate in the Troposphere D. Catalán-Fenollosa et al. https://doi.org/10.1021/acs.jpca.5c07092
Saved (final revised paper)
Latest update: 05 Sep 2026
Short summary
We report simultaneous measurements of dimethyl sulfide (DMS) and hydroperoxymethyl thioformate (HPMTF) in the eastern North Atlantic. We use an observationally constrained box model to show that cloud loss is the dominant sink of HPMTF in this region over 6 weeks, resulting in large reductions in DMS-derived products that contribute to aerosol formation and growth. Our findings indicate that fast cloud processing of HPMTF must be included in global models to accurately capture the sulfur cycle.
We report simultaneous measurements of dimethyl sulfide (DMS) and hydroperoxymethyl thioformate...
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