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Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
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Volume 17, issue 22 | Copyright
Atmos. Chem. Phys., 17, 14055-14073, 2017
https://doi.org/10.5194/acp-17-14055-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 24 Nov 2017

Research article | 24 Nov 2017

Year-round record of bulk and size-segregated aerosol composition in central Antarctica (Concordia site) – Part 2: Biogenic sulfur (sulfate and methanesulfonate) aerosol

Michel Legrand et al.
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AR by Legrand Michel on behalf of the Authors (20 Oct 2017)  Author's response    Manuscript
ED: Publish as is (26 Oct 2017) by Veli-Matti Kerminen
Publications Copernicus
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Short summary
Levels of MSA and sulfate at inland Antarctica are documented from multiple year-round records of bulk and size-segregated aerosol samplings. A striking difference in the seasonality of sulfur aerosol composition, characterized by a MSA to nssSO4 ratio reaching a minimum in summer over the Antarctic plateau (0.05) and a maximum at the coast (up to 0.40), is clearly established. An efficient chemical destruction of MSA is suggested to take place over the Antarctic plateau in summer.
Levels of MSA and sulfate at inland Antarctica are documented from multiple year-round records...
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