Articles | Volume 23, issue 23
https://doi.org/10.5194/acp-23-14735-2023
© Author(s) 2023. 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-23-14735-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
29 Nov 2023
Research article |
| 29 Nov 2023
| 29 Nov 2023
Development, intercomparison, and evaluation of an improved mechanism for the oxidation of dimethyl sulfide in the UKCA model
Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
now at: Department of Ocean Systems (OCS), NIOZ Royal Netherlands Institute for Sea Research, Texel, the Netherlands
Scott Archer-Nicholls
Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
now at: IT Services, University of Manchester, Manchester, M13 9PL, UK
James Weber
Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
now at: School of Biosciences, University of Sheffield, Sheffield, S10 2TN, UK
N. Luke Abraham
Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
National Centre for Atmospheric Science, Cambridge, CB2 1EW, UK
Paul T. Griffiths
Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
National Centre for Atmospheric Science, Cambridge, CB2 1EW, UK
Lorrie Jacob
Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
Y. Matthew Shin
Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
Laura E. Revell
School of Physical and Chemical Sciences, University of Canterbury, Christchurch, New Zealand
Matthew Woodhouse
CSIRO Oceans and Atmosphere, Aspendale, 3195, Australia
Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
National Centre for Atmospheric Science, Cambridge, CB2 1EW, UK
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Cited
15 citations as recorded by crossref.
- Pollution drives multidecadal decline in subarctic methanesulfonic acid J. Chalif et al. https://doi.org/10.1038/s41561-024-01543-w
- The biogenic sulfur cycle in the coupled ocean–sea ice–atmosphere system S. Ishino et al. https://doi.org/10.1525/elementa.2025.00067
- Global Impacts of Marine Methanethiol Emissions and Chemistry in the Atmosphere L. Tashmim et al. https://doi.org/10.1021/acs.est.5c02019
- Determining the key sources of uncertainty in dimethyl sulfide and methanethiol oxidation under tropical, temperate, and polar marine conditions L. Jacob et al. https://doi.org/10.5194/acp-26-3567-2026
- Data-driven modeling of environmental factors influencing Arctic methanesulfonic acid aerosol concentrations J. Pernov et al. https://doi.org/10.5194/acp-25-6497-2025
- Perhemiacetal formation and Cl/NO3-initiated chemistry of hydroperoxymethylthioformate (HPMTF) in atmospheric DMS oxidation L. Vereecken et al. https://doi.org/10.1039/D4EA00134F
- Contribution of expanded marine sulfur chemistry to the seasonal variability of dimethyl sulfide oxidation products and size-resolved sulfate aerosol L. Tashmim et al. https://doi.org/10.5194/acp-24-3379-2024
- The annual cycle and sources of relevant aerosol precursor vapors in the central Arctic during the MOSAiC expedition M. Boyer et al. https://doi.org/10.5194/acp-24-12595-2024
- Triple Oxygen Isotope Analysis of Methanesulfonate Using the SO3– Fragment in ESI-Orbitrap-MS Y. Hong et al. https://doi.org/10.1021/acs.analchem.5c01382
- Aerosolisation of microalgae: unveiling dimethyl-sulfide emissions during bubbling B. Rosati et al. https://doi.org/10.1038/s41612-025-01305-4
- Marine aerosol in Aotearoa New Zealand: implications for air quality, climate change and public health L. Revell et al. https://doi.org/10.1080/03036758.2024.2319753
- Biogenic Sulfur Gases as Biosignatures on Temperate Sub-Neptune Waterworlds S. Tsai et al. https://doi.org/10.3847/2041-8213/ad3801
- Dimethyl sulfide chemistry over the industrial era: comparison of key oxidation mechanisms and long-term observations U. Jongebloed et al. https://doi.org/10.5194/acp-25-4083-2025
- Evaluation of UKESM aerosol size and composition using ATom measurements indicates missing marine aerosol formation mechanisms X. He et al. https://doi.org/10.5194/acp-26-3805-2026
- Extension, development, and evaluation of the representation of the OH-initiated dimethyl sulfide (DMS) oxidation mechanism in the Master Chemical Mechanism (MCM) v3.3.1 framework L. Jacob et al. https://doi.org/10.5194/acp-24-3329-2024
15 citations as recorded by crossref.
- Pollution drives multidecadal decline in subarctic methanesulfonic acid J. Chalif et al. https://doi.org/10.1038/s41561-024-01543-w
- The biogenic sulfur cycle in the coupled ocean–sea ice–atmosphere system S. Ishino et al. https://doi.org/10.1525/elementa.2025.00067
- Global Impacts of Marine Methanethiol Emissions and Chemistry in the Atmosphere L. Tashmim et al. https://doi.org/10.1021/acs.est.5c02019
- Determining the key sources of uncertainty in dimethyl sulfide and methanethiol oxidation under tropical, temperate, and polar marine conditions L. Jacob et al. https://doi.org/10.5194/acp-26-3567-2026
- Data-driven modeling of environmental factors influencing Arctic methanesulfonic acid aerosol concentrations J. Pernov et al. https://doi.org/10.5194/acp-25-6497-2025
- Perhemiacetal formation and Cl/NO3-initiated chemistry of hydroperoxymethylthioformate (HPMTF) in atmospheric DMS oxidation L. Vereecken et al. https://doi.org/10.1039/D4EA00134F
- Contribution of expanded marine sulfur chemistry to the seasonal variability of dimethyl sulfide oxidation products and size-resolved sulfate aerosol L. Tashmim et al. https://doi.org/10.5194/acp-24-3379-2024
- The annual cycle and sources of relevant aerosol precursor vapors in the central Arctic during the MOSAiC expedition M. Boyer et al. https://doi.org/10.5194/acp-24-12595-2024
- Triple Oxygen Isotope Analysis of Methanesulfonate Using the SO3– Fragment in ESI-Orbitrap-MS Y. Hong et al. https://doi.org/10.1021/acs.analchem.5c01382
- Aerosolisation of microalgae: unveiling dimethyl-sulfide emissions during bubbling B. Rosati et al. https://doi.org/10.1038/s41612-025-01305-4
- Marine aerosol in Aotearoa New Zealand: implications for air quality, climate change and public health L. Revell et al. https://doi.org/10.1080/03036758.2024.2319753
- Biogenic Sulfur Gases as Biosignatures on Temperate Sub-Neptune Waterworlds S. Tsai et al. https://doi.org/10.3847/2041-8213/ad3801
- Dimethyl sulfide chemistry over the industrial era: comparison of key oxidation mechanisms and long-term observations U. Jongebloed et al. https://doi.org/10.5194/acp-25-4083-2025
- Evaluation of UKESM aerosol size and composition using ATom measurements indicates missing marine aerosol formation mechanisms X. He et al. https://doi.org/10.5194/acp-26-3805-2026
- Extension, development, and evaluation of the representation of the OH-initiated dimethyl sulfide (DMS) oxidation mechanism in the Master Chemical Mechanism (MCM) v3.3.1 framework L. Jacob et al. https://doi.org/10.5194/acp-24-3329-2024
Saved (final revised paper)
Latest update: 20 Aug 2026
Short summary
Dimethyl sulfide (DMS) is an important trace gas emitted from the ocean recognised as setting the sulfate aerosol background, but its oxidation is complex. As a result representation in chemistry-climate models is greatly simplified. We develop and compare a new mechanism to existing mechanisms via a series of global and box model experiments. Our studies show our updated DMS scheme is a significant improvement but significant variance exists between mechanisms.
Dimethyl sulfide (DMS) is an important trace gas emitted from the ocean recognised as setting...
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