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Anthropogenic I-129 in the Baltic Sea
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences. (exogen geokemi)
Uppsala University, Disciplinary Domain of Science and Technology, För teknisk-naturvetenskapliga fakulteten gemensamma enheter, Tandem Laboratory.
Sveriges geologiska undersökning.
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2007 (English)In: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, ISSN 0168-583X, E-ISSN 1872-9584, Vol. 259, no 1, 491-495 p.Article in journal (Refereed) Published
Abstract [en]

We report here data on the distribution of I-129 in water of the Baltic Sea and Skagerrak-Kattegat basins obtained through sampling campaigns during the years 2000 and 2001. I-129 in the water of the Skagerrak-Kattegat shows persistently high concentrations in both the surface and deep parts. A decreasing trend in surface water I-129 concentration is observed away from the Kattegat basin and into the Baltic Sea. Inventory calculations indicate that at least 95%of the isotope supply to the Baltic Sea is from the North Sea marine water via Skagerrak-Kattegat and only minor part is from riverine inflow and the Chernobyl accident. As the discharges from the nuclear reprocessing facilities were not decreased during the last decade, it is expected that more I-129 will accumulate in the Baltic Sea and related basins in the future. Consequently, systematic sampling is needed to reevaluate the concentration levels not only in the water, but also in the sediments and biota of the region.

Place, publisher, year, edition, pages
2007. Vol. 259, no 1, 491-495 p.
Keyword [en]
Baltic Sea, 129I, Accelerator mass spectrometry, Radioactivity
National Category
Earth and Related Environmental Sciences
Identifiers
URN: urn:nbn:se:uu:diva-26479DOI: 10.1016/j.nimb.2007.01.242ISI: 000247535600090OAI: oai:DiVA.org:uu-26479DiVA: diva2:54253
Available from: 2008-05-15 Created: 2008-05-15 Last updated: 2017-12-07Bibliographically approved

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Aldahan, AlaPossnert, Göran

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Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
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