Interannual variability of dimethylsulfide in air and seawater and its atmospheric oxidation by-products (methanesulfonate and sulfate) at Dumont d'Urville, coastal Antarctica (1999-2003)
| Type | Article | ||||||||
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| Date | 2007-03 | ||||||||
| Language | English | ||||||||
| Author(s) | Preunkert Susanne1, Legrand Michel1, Jourdain Bruno1, Moulin Cyril2, Belviso Sauveur2, Kasamatsu Nobue3, Fukuchi Mitsuo3, Hirawake Toru3 | ||||||||
| Affiliation(s) | 1 : CNRS, Lab Glaciol & Geophys & Environm, St Martin Dheres, France. 2 : Orme Merisiers, Lab Sci Climat & Environm, Gif Sur Yvette, France. 3 : Res Org Informat & Syst, Natl Inst Polar Res, Tokyo, Japan. |
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| Source | Journal Of Geophysical Research-atmospheres (2169-897X) (Amer Geophysical Union), 2007-03 , Vol. 112 , N. D6/D06306 , P. 1-13 | ||||||||
| DOI | 10.1029/2006JD007585 | ||||||||
| WOS© Times Cited | 39 | ||||||||
| Keyword(s) | sulfur cycle, Antarctica, dimethylsulfure | ||||||||
| Abstract | A multiple year-round study of atmospheric dimethyl sulfide (DMS) (from December 1998 to April 2003) as well as sulfur-derived aerosols (methanesulfonic acid (MSA) and non-sea-salt sulfate) (from March 1991 to February 2003) was conducted at Dumont d'Urville, coastal Antarctica. The three sulfur-derived species exhibit a seasonal cycle characterized by maxima in midsummer (January). Whereas the interannual variability of winter levels remains low, a strong interannual variability is shown in summer, particularly for DMS and MSA, and to a lesser extent for non-sea-salt sulfate. Over the 1998-2003 time period, January 2002 stands out with high values for all sulfur species. These interannual variabilities of atmospheric summer levels are examined in the light of seawater chlorophyll a content derived from Sea-viewing Wide Field-of-view Sensor (SeaWiFS) data (themselves compared to field measurements made south of 60 degrees S), oceanic DMS levels estimated from chlorophyll a SeaWiFS data, and various sea-ice indices. | ||||||||
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