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127I and 129I species and transformation in the Baltic proper, Kattegat, and Skagerrak basins.
P. Yi; A. Aldahan; G. Possnert; X. L. Hou; V. Hansen; B .Wang
2012
Source PublicationEnvironmental Science and Technology
Volume46Issue:20Pages:10948−10956
Cooperation Status国际
Abstract         Occurrence of anthropogenic (129)I in seawater has provided invaluable information about water circulation and exchange rates, but results on (129)I species (iodide and iodate) are limited and only available for surface water. We here present the first extensive results on (129)I and (127)I species in samples of seawater depth profiles, which were collected in August 2006 and April 2007 in the Skagerrak, Kattegat, and Baltic Proper. The results expose ≤10% annual reduction of iodate as (129)I is transported from the English Channel along the Dutch coast and German Bight into the Skagerrak and Kattegat. The results also suggest strong variability between surface and bottom seawater with respect to the predominant iodine species. Distribution of iodide and iodate of both (127)I and (129)I in the Kattegat mainly reflects water mixing process rather than speciation transformation. In water of the Baltic Proper, high (127)I(-)/(127)IO(3)(-) and (129)I(-)/(129)IO(3)(-) values suggest effective reduction of iodate with a maximum rate of 8 × 10(-7) ((127)IO(3)(-)) and 6 × 10(-14) ((129)IO(3)(-)) (g/m(3).day). The reduction process of iodate seems to be related to decomposition of organic matter and photochemically induced reactions.
Subject Area地质学
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/2592
Collection加速器质谱中心
Recommended Citation
GB/T 7714
P. Yi,A. Aldahan,G. Possnert,et al. 127I and 129I species and transformation in the Baltic proper, Kattegat, and Skagerrak basins.[J]. Environmental Science and Technology,2012,46(20):10948−10956.
APA P. Yi,A. Aldahan,G. Possnert,X. L. Hou,V. Hansen,&B .Wang.(2012).127I and 129I species and transformation in the Baltic proper, Kattegat, and Skagerrak basins..Environmental Science and Technology,46(20),10948−10956.
MLA P. Yi,et al."127I and 129I species and transformation in the Baltic proper, Kattegat, and Skagerrak basins.".Environmental Science and Technology 46.20(2012):10948−10956.
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