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Distribution of I-1...
Distribution of I-127 and I-129 in preciptitation at high European latitudes
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- Aldahan, Ala (author)
- Uppsala universitet,Institutionen för geovetenskaper
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- Persson, S (author)
- Uppsala universitet,Tandemlaboratoriet
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- Possnert, Göran (author)
- Uppsala universitet,Jonfysik,jonfysik
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Hou, Xiaolin (author)
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(creator_code:org_t)
- 2009
- 2009
- English.
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In: Geophysical Research Letters. - 0094-8276 .- 1944-8007. ; 36, s. L11805-
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- 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.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- Physics
- Fysik
- Ion Physics
- Jonfysik
Publication and Content Type
- ref (subject category)
- art (subject category)
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