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Distribution of I-127 and I-129 in preciptitation at high European latitudes
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences.
Uppsala University, Disciplinary Domain of Science and Technology, För teknisk-naturvetenskapliga fakulteten gemensamma enheter, Tandem Laboratory.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Ion Physics. (jonfysik)
2009 (English)In: Geophysical Research Letters, ISSN 0094-8276, E-ISSN 1944-8007, Vol. 36, L11805- p.Article in journal (Refereed) Published
Abstract [en]

 We here present the most extensive data set on the distribution of   I-127 and I-129 in precipitation (rain and snow) covering the period   2000-2006 and European latitudes 55 degrees N-68 degrees N. Our results   indicate a wide variation in the concentrations and fluxes of the two   isotopes associated with generally higher values at near coastal sites   compared to the inland ones. Total wet-related annual deposition of   I-127 and I-129 on Sweden and Denmark is estimated at about 1.2 x 10(9)   g and 60 g respectively. The average annual I-129 wet deposition   accounts for <1% and <0.05% of the total annual gaseous and liquid,   respectively, discharges from the Sellafiled and La Hague Facilities.   The I-127 annual wet deposition represents < 1% of the estimated global   oceanic iodine flux. Air mass trajectories suggest that events of   enhanced I-129 in precipitation are closely related to southwesterly weather fronts from regions of elevated concentrations.

Place, publisher, year, edition, pages
2009. Vol. 36, L11805- p.
National Category
Physical Sciences Engineering and Technology
Research subject
Ion Physics
URN: urn:nbn:se:uu:diva-122048DOI: 10.1029/2009GL037363ISI: 000266741700002OAI: oai:DiVA.org:uu-122048DiVA: diva2:308350
Available from: 2010-04-06 Created: 2010-04-06 Last updated: 2016-04-14Bibliographically approved

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Possnert, Göran
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