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PBDEs in the atmosphere over the Asian marginal seas, and the Indian and Atlantic oceans

Li, Jun and Li, Qilu and Gioia, Rosalinda and Zhang, Yanlin and Zhang, Gan and Li, Xiangdong and Spiro, Baruch and Bhatia, Ravinder S. and Jones, Kevin C. (2011) PBDEs in the atmosphere over the Asian marginal seas, and the Indian and Atlantic oceans. Atmospheric Environment, 45 (37). pp. 6622-6628. ISSN 1352-2310

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Abstract

Air samples were collected from Jan 16 to Mar 14, 2008 onboard the Oceanic II- The Scholar Ship which navigated an east-west transect from Shanghai to Cape Verde, and polybrominated diphenyl ethers (PBDEs) were analyzed in these samples. PBDE concentrations in the atmosphere over the open seas were influenced by proximity to source areas and land, and air mass origins. The concentrations of Sigma(21)PBDEs over the East and South China Seas, the Bay of Bengal and the Andaman Sea, the Indian Ocean, and the Atlantic Ocean were 10.8 +/- 6.13, 3.22 +/- 1.57, 5.12 +/- 3.56, and 2.87 +/- 1.81 pg m(-3), respectively. BDE-47 and -99 were the dominant congeners in all the samples, suggesting that the widely used commercial penta-BDE products were the original sources. Over some parts of Atlantic and Indian Ocean, daytime concentrations of BDE-47 and BDE-99 were higher than the concentrations at night. The strong atmospheric variability does not always coincide with a diurnal cycle, but the variability in air concentrations in such remote areas of the ocean remains strong. No significant trends were found for each of PBDE congener with latitude. (C) 2011 Elsevier Ltd. All rights reserved.

Item Type: Article
Journal or Publication Title: Atmospheric Environment
Subjects:
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 53509
Deposited By: ep_importer_pure
Deposited On: 13 Apr 2012 14:47
Refereed?: Yes
Published?: Published
Last Modified: 09 Apr 2014 23:18
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/53509

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