Wet and dry deposition of 131I, 134Cs and 137Cs at an upland site in northern England.

Livens, F.R.; Fowler, D.; Horrill, A.D.

Livens, F.R.; Fowler, D.; Horrill, A.D.. 1992 Wet and dry deposition of 131I, 134Cs and 137Cs at an upland site in northern England. Journal of Environmental Radioactivity, 16 (3). 243-254. 10.1016/0265-931X(92)90003-C

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Abstract

Samples of cloud and rain water, soil and vegetation were collected from sites at up to 847 m altitude on Great Dun Fell in northern England during the period 2–6 May 1986. Wet deposition is the dominant depositional process for 103Ru and the caesium isotopes, whilst dry deposition is much more important for 131I. The observed deposition velocity for 131I is 3·4 mm s−1. The patchy distribution of activity is related to the convective nature of the rainfall, and there is evidence of direct deposition of contaminated orographic cloud water at the highest site.

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Official URL:

http://dx.doi.org/10.1016/0265-931X(92)90003-C

Digital Object Identifier (DOI):

10.1016/0265-931X(92)90003-C

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CEH Programmes pre-2009 publications > Biogeochemistry

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