https://doi.org/10.5194/acp-2021-507 Preprint. Discussion started: 29 July 2021 c Author(s) 2021. CC BY 4.0 License. The contribution of coral reef-derived dimethyl sulfide to aerosol burden over the Great Barrier Reef: a modelling study Sonya L. Fiddes1,2,*, Matthew T. Woodhouse2, Steve Utembe3, Robyn Schofield4, Joel Alroe5, Scott D. Chambers6, Luke Cravigan5, Erin Dunne2, Ruhi S. Humphries2, Graham Johnson5, Melita D. Keywood2, Todd P. Lane4, Branka Miljevic5, Yuko Omori7,8, Zoran Ristovski5, Paul Selleck2, Hilton B. Swan9, Hiroshi Tanimoto8, Jason P. Ward2, and Alistair G. Williams6 1ARC Centre of Excellence for Climate System Science and the Australian-German Climate and Energy College, University of Melbourne, Australia 2Climate Science Centre, Oceans and Atmosphere, Commonwealth Scientific and Industrial Research Organisation, Australia 3Environmental Protection Authority Victoria, Australia 4ARC Centre of Excellence for Climate Extremes, University of Melbourne, Australia 5International Laboratory for Air Quality and Health, School of Earth and Atmospheric Sciences, Queensland University of Technology, Australia 6Australian Nuclear Science and Technology Organisation, Lucas Heights, New South Wales, Australia 7Faculty of Life and Environmental Sciences, University of Tsukuba, Japan 8Earth System Division, National Institute for Environmental Studies, Tsukuba, Japan 9Faculty of Science and Engineering, Southern Cross University, Australia *Now at the Australian Antarctic Program Partnership, Institute of Marine and Antarctic Studies, University of Tasmania, Australia Correspondence: Sonya Fiddes (sonya.fi
[email protected]) Abstract. Coral reefs have been found to produce the sulfur compound dimethyl sulfide (DMS), a climatically relevant aerosol precursor predominantly associated with phytoplankton. Until recently, the role of coral reef-derived DMS within the climate system had not been quantified.