The role of dimethylsulphoxide in the marine biogeochemical cycle of dimethylsulphide

Angela D. Hatton*, Louise Darroch, Gill Malin

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapter

36 Citations (SciVal)

Abstract

Dimethylsulphoxide ((CH3)2SO; DMSO) occurs naturally in marine and freshwater environments, rainwater, and the atmosphere. It is thought to be an environmentally significant compound due to the potential role it plays in the biogeochemical cycle of the climatically active trace gas, dimethylsulphide (DMS). Generally it has been assumed mat the photochemical and bacterial oxidations of DMS to DMSO represent major sources of this compound and significant sinks for DMS in the marine environment Conversely, it has also been suggested that DMSO may be a potential source for oceanic DMS. Recent research has improved understanding of the origin and fate of DMSO in sea water, although it seems likely that the full role this compound may play in the marine sulphur cycle has still to be elucidated. The methods available for determining DMSO in aqueous samples and current knowledge of the distribution of DMSO in marine waters are reviewed. Mechanisms for DMSO production and loss pathways are also considered, as well as the possible role this compound may play in the cycling of DMS and global climate.

Original languageEnglish
Title of host publicationOceanography and Marine Biology
Subtitle of host publicationAn Annual Review
EditorsRobin Gibson, R.J.A. Atkinson
PublisherTaylor & Francis
Pages29-55
Number of pages27
ISBN (Electronic)9780203507810, 9780429211522
ISBN (Print)9780849327278
DOIs
Publication statusPublished - 28 Jul 2004
Externally publishedYes

Publication series

NameOceanography and Marine Biology
Volume42
ISSN (Print)0078-3218

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