Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
10686769 | Journal of Environmental Radioactivity | 2005 | 16 Pages |
Abstract
210Pb weekly concentration values showed a great variability and the average monthly values exhibited a seasonal pattern characterised by maxima in winter and minima in spring-summer. The same seasonal trend was also observed in 214Pb concentration values. 210Pb average yearly values were 0.70 and 0.82Â mBq/m3 in 2000 and 2001, respectively, in good agreement with literature data registered at continental sites of similar latitude and longitude. The activity ratio 210Pb/214Pb was used to evaluate the residence time of fine aerosols in the urban air of Milan, which was 1-2 days.
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Authors
R. Vecchi, G. Marcazzan, G. Valli,