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Elucidation of the tropospheric reactions of biogenic sulfur species from a field measurement campaign in NW Scotland.

Davison, Brian and Hewitt, CN (1994) Elucidation of the tropospheric reactions of biogenic sulfur species from a field measurement campaign in NW Scotland. Chemosphere, 28 (3). pp. 543-557.

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Abstract

Dimethyl sulfide, produced as a result of the metabolism of marine phytoplankton, is emitted into the atmosphere from the sea/air interface. It has been speculated that the products of its oxidation in the atmosphere may be an important source of cloud condensation nuclei and contribute to the acidity of precipitation. Here we compare the relative concentrations of a number of sulfur compounds measured at a remote site in NW Scotland with those expected from our current understanding of DMS oxidation chemistry. Diurnal cycles in DMS and methane sulfonic acid concentrations in air were observed, consistent with the removal of DMS during the daytime by hydroxyl to form the acid, sulfur dioxide and sulfate being two other major oxidation products.

Item Type: Article
Journal or Publication Title: Chemosphere
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 22406
Deposited By: ep_ss_importer
Deposited On: 03 Feb 2009 12:36
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 16:00
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/22406

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