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Dimethylsulphide (DMS), sulphur dioxide (SO2), dimethylesulphoxide (DMSO), sulphate (SO4(2-)) and methanesulphonate (MSA) were measured at a coastal site, Pointe de Penmarc'h, over a 25 day period during May and June 1993. The concentrations of the aerosol phase products such as methanesulphonic acid and sulphate are examined in the light of air mass origins. The fraction of nss SO4(2-) produced from biogenic sources is estimated to be less than 25%. The yield of MSA and DMSO from DMS oxidation are assessed from their relative concentrations and estimates of their atmospheric lifetime.

Additional information

Authors: PUTAUD F P, Centre des Faibles Radioactivés, CNRS-CEA, Gif-sur-Yvette (FR);NGUYEN B C, Centre des Faibles Radioactivés, CNRS-CEA, Gif-sur-Yvette (FR);DAVISON B M, Institute of Environmental and Biological Sciences, University of Lancaster (GB);HEWITT C N, School of Biological and Molecular Sciences, Oxford Brookes University (GB);WATTS S F, University of Crete, Heraklion (GR);MIHALOPOULOS N,
Bibliographic Reference: Article: Atmospheric Environment (1998)
Record Number: 199810293 / Last updated on: 1998-03-09
Original language: en
Available languages: en