Articles | Volume 26, issue 16
https://doi.org/10.5194/acp-26-11583-2026
© 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-26-11583-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Drivers of Atmospheric Volatile Methylated Sulfur Variability Across the Southern Ocean and Antarctic Coast
School of Chemistry, Monash University, Melbourne, VIC, Australia
Atmospheric Chemistry, Climate & Air Pollution, CSIRO Environment, Melbourne, VIC, Australia
Emily B. Franklin
Atmospheric Chemistry, Climate & Air Pollution, CSIRO Environment, Melbourne, VIC, Australia
Joel Alroe
School of Earth and Atmospheric Sciences, Queensland University of Technology, Brisbane, QLD, Australia
Karen Westwood
Department of Climate Change, Energy, the Environment and Water, Australian Antarctic Division, Hobart, TAS, Australia
Australian Antarctic Program Partnership, Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, TAS, Australia
Brandon J. McNabb
Department of Earth, Ocean and Atmospheric Sciences, University of British Columbia, Vancouver, BC, Canada
Robert Strzepek
Australian Antarctic Program Partnership, Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, TAS, Australia
Philippe D. Tortell
Department of Earth, Ocean and Atmospheric Sciences, University of British Columbia, Vancouver, BC, Canada
Steven T. Siems
School of Earth, Atmosphere and Environment, Monash University, Melbourne, VIC, Australia
Antonio Patti
School of Chemistry, Monash University, Melbourne, VIC, Australia
Suzie Molloy
Atmospheric Chemistry, Climate & Air Pollution, CSIRO Environment, Melbourne, VIC, Australia
Alan Griffiths
Australian Nuclear Science and Technology Organisation, Lucas Heights, NSW, Australia
Branka Miljevic
School of Earth and Atmospheric Sciences, Queensland University of Technology, Brisbane, QLD, Australia
Marc D. Mallet
Australian Antarctic Program Partnership, Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, TAS, Australia
Ruhi Humphries
Atmospheric Chemistry, Climate & Air Pollution, CSIRO Environment, Melbourne, VIC, Australia
Erin Dunne
Atmospheric Chemistry, Climate & Air Pollution, CSIRO Environment, Melbourne, VIC, Australia
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Latest update: 06 Sep 2026
Short summary
Marine sulfur gases help form climate-cooling particles, but their controls over the Southern Ocean are unclear. During a summer research voyage we measured these gases and linked them to ocean and atmospheric conditions. Near Antarctica, coastal blooms drove sharp rises in dimethyl sulfide while methanethiol remained low. Over the open ocean, both gases varied together, mainly influenced by ocean mixing and temperature, suggesting models should treat coastal and open ocean regions separately.
Marine sulfur gases help form climate-cooling particles, but their controls over the Southern...
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