Deposition of atmospheric .sup.210Pb and total beta activity in Finland

The seasonal and regional variation of the atmospheric .sup.210Pb deposition in Finland was studied. The .sup.210Pb activity concentration in precipitation shows a decreasing trend from southeastern Finland north-westwards. An average deposition of 40 Bq/m.sup.2 during a 12 months period was observe...

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Bibliographic Details
Published in:Journal of radioanalytical and nuclear chemistry 2015-03, Vol.303 (3), p.2413
Main Authors: Paatero, Jussi, Vaaramaa, Kaisa, Buyukay, Murat, Hatakka, Juha, Lehto, Jukka
Format: Article
Language:English
Subjects:
Nuclear radiation
Precipitation (Meteorology)
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Summary:The seasonal and regional variation of the atmospheric .sup.210Pb deposition in Finland was studied. The .sup.210Pb activity concentration in precipitation shows a decreasing trend from southeastern Finland north-westwards. An average deposition of 40 Bq/m.sup.2 during a 12 months period was observed. The deposition of .sup.210Pb shows a seasonal variation with minimum in spring and maximum in autumn and winter. The specific activity of .sup.210Pb (activity of .sup.210Pb per unit mass of stable lead) in the atmosphere has returned to the level prior to World War II owing to the reduced lead emissions into the atmosphere.
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-014-3785-7