Biological production of methyl bromide in the coastal waters of the North Sea and open ocean of the northeast Atlantic

Baker, J.M., Reeves, C.E. ORCID: https://orcid.org/0000-0003-4071-1926, Penkett, S.A., Nightingale, P.D., Gibb, S.W. and Hatton, A.D. (1999) Biological production of methyl bromide in the coastal waters of the North Sea and open ocean of the northeast Atlantic. Marine Chemistry, 64 (4). pp. 267-285. ISSN 0304-4203

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Abstract

Two separate studies in different oceanic regions provide evidence for the production of methyl bromide (CHBr) by the prymnesiophyte Phaeocystis. A sampling program to study the seasonal cycle of CHBr in a coastal area demonstrated that the seawater was supersaturated with respect to CHBr for over 3 months of the year. The greatest saturation was observed during a bloom of Phaeocystis. Also, in situ field measurements demonstrated that CHBr was supersaturated over a large region of the northeast Atlantic. A positive correlation was observed between CHBr and dimethylsulphoniopropionate (DMSP), indicating that there was a source common to both compounds. An accessory pigment, hexanoyloxyfucoxanthin, which indicates the presence of prymnesiophytes, also correlated positively with CHBr.

Item Type: Article
Uncontrolled Keywords: methyl bromide,air-sea gas exchange,phaeocystis,chlorophyll,pigments,sulphur
Faculty \ School: Faculty of Science > School of Environmental Sciences
Related URLs:
Depositing User: Pure Connector
Date Deposited: 08 Nov 2013 13:12
Last Modified: 26 Sep 2022 05:24
URI: https://ueaeprints.uea.ac.uk/id/eprint/44334
DOI: 10.1016/S0304-4203(98)00077-2

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