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Dimethyl sulfide and its oxidation products in the atmosphere of the Atlantic and Southern Oceans.

Davison, Brian M. and O'Dowd, C. D. and Hewitt, CN and Smith, M. H. and Harrison, Roy M. and Peel, D. A. and Wolf, E. and Mulvaney, R. and Schwikowski, M. and Baltenspergert, U. (1996) Dimethyl sulfide and its oxidation products in the atmosphere of the Atlantic and Southern Oceans. Atmospheric Environment, 30 (10-11). pp. 1895-1906. ISSN 1352-2310

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Abstract

Dimethyl sulfide, methane sulfonate, non-sea-salt sulfate and sulfur dioxide concentrations in air were obtained during a cruise between the U.K. and the Antarctic during the period October 1992–January 1993. In equatorial regions (30°N to 30°S) the atmospheric DMS concentration ranged from 3 to 46 ng (S)m−3 with an average of 18 ng(S)m−3. In the polar waters and regions south of the Falkland Islands concentrations from 3 to 714ng(S)m−3 were observed with a mean concentration of 73ng(S)m−3. Methane sulfonate concentrations were also enhanced in the vicinity of the Antarctic Peninsula and in the Weddell Sea. A simple model of DMS oxidation was used to estimate the ocean to atmosphere flux rate, and this was found to be within the range of previous estimates, with a mean value of 1011 ng(S) m−2 h−1.

Item Type: Article
Journal or Publication Title: Atmospheric Environment
Uncontrolled Keywords: Dimethyl sulfide ; Antarctica ; aerosol
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 22018
Deposited By: ep_ss_importer
Deposited On: 17 Feb 2009 13:54
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 15:54
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/22018

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