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Radioactive I-129 in surface water of the Celtic Sea
He, P (He, Peng)[ 1,2 ]; Hou, XL (Hou, Xiaolin)[ 3,4 ]; Aldahan, A (Aldahan, Ala)[ 2,5 ]; Possnert, G (Possnert, Goran)[ 6 ]

Relatively large amounts of radioactive iodine I-129 (T (1/2) = 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-129 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-127 and I-129 concentrations. The results revealed a high level of I-129 in these waters and suggest strong influence by liquid discharges from La Hague and Sellafield reprocessing facilities. I-127 concentrations are rather constant while the I-129/I-127 ratio reaches up to 2.8 x 10(-8) (ranging from 10(-10) to 10(-8)), which is 2-4 orders of magnitude higher than pre-nuclear era natural level. Transport of I-129 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-129 concentrations than the Sellafield. Comprehensive surface water and depth profiles I-129 data will be needed in the future for assessment of environmental impact in the region.

KeywordIodine 129i Celtic Sea Nuclearreprocessing Facilities
Indexed BySCI
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Document Type期刊论文
Corresponding AuthorHe, P (He, Peng)[ 1,2 ]
Affiliation1.Department of Geochemistry, Chengdu University ofTechnology, Chengdu 610059, China;
2.Department of Earth Sciences, Uppsala University,Villava¨gen 16, 752 36 Uppsala, Sweden;
3.Center for Nuclear Technology, Technical University ofDenmark, Risø Campus, 4000 Roskilde, Denmark;
4.Xi’an AMS Center, SKLLQG, Institute of Earth Environment,CAS, Xi’an 710075, China;
5.Department of Geology, United Arab Emirates University,PO Box 15551, Al Ain, UAE;
6.Tandem Laboratory, Uppsala University, PO Box 529,751 20 Uppsala, Sweden
Recommended Citation
GB/T 7714
He, P ,Hou, XL ,Aldahan, A ,et al. Radioactive I-129 in surface water of the Celtic Sea[J]. JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY,2014,299(1):249-253.
APA He, P ,Hou, XL ,Aldahan, A ,&Possnert, G .(2014).Radioactive I-129 in surface water of the Celtic Sea.JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY,299(1),249-253.
MLA He, P ,et al."Radioactive I-129 in surface water of the Celtic Sea".JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY 299.1(2014):249-253.
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