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- Title
Radioactive I in surface water of the Celtic Sea.
- Authors
He, Peng; Hou, Xiaolin; Aldahan, Ala; Possnert, Göran
- Abstract
Relatively large amounts of radioactive iodine I ( T = 15.7 Ma) have been documented in seawater such as the English Channel, the Irish Sea and the North Sea. Data on the concentration of the iodine isotopes in waters of the Celtic Sea are missing. Aiming to provide first I data in the Celtic Sea and compare them with levels in the other close-by seawater bodies, surface seawater samples were analyzed for the determination of I and I concentrations. The results revealed a high level of I in these waters and suggest strong influence by liquid discharges from La Hague and Sellafield reprocessing facilities. I concentrations are rather constant while the I/I ratio reaches up to 2.8 × 10 (ranging from 10 to 10), which is 2-4 orders of magnitude higher than pre-nuclear era natural level. Transport of I to the Celtic Sea is difficult to depict accurately since available data are sparse. Most likely, however, that discharges originated from La Hague may have more influence on the Celtic Sea I concentrations than the Sellafield. Comprehensive surface water and depth profiles I data will be needed in the future for assessment of environmental impact in the region.
- Subjects
ENGLISH Channel; CELTIC Sea; IODINE isotopes; OCEAN temperature; ENVIRONMENTAL impact analysis; RADIOACTIVITY; PHYSICAL constants
- Publication
Journal of Radioanalytical & Nuclear Chemistry, 2014, Vol 299, Issue 1, p249
- ISSN
0236-5731
- Publication type
Article
- DOI
10.1007/s10967-013-2792-4