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Retention of radioactive caesium by different soils in the catchment of a small lake

Hilton, J.; Livens, F.R.; Spezzano, P.; Leonard, D.R.P.. 1993 Retention of radioactive caesium by different soils in the catchment of a small lake. Science of the Total Environment, 129 (3). 253-266. https://doi.org/10.1016/0048-9697(93)90322-W

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Abstract/Summary

Cs-137 activity levels in Devoke Water Cumbria (UK) remained high for much longer than was expected after the Chernobyl accident. This is shown to be due to the release of dissolved Cs-137 from the catchment to the lake. Cs-137 inventories in different soil types suggest that fibrous peat soils loose Cs rapidly. Rankers and amorphous peats loose smaller amounts and podzols the least. The concentration of Cs-137 at any time in the streams is given by either: log A = −0.001064 time(days) + 0.302003 log flow(m3 s−1) + constant or: log A = −0.001064 time(days) + constant depending on the size of the constant, where the constant is given by: constant = (0.0473% fibrous peat + 4.383) x deposition (kBq/m2)/9.8. Possible release mechanisms are discussed.

Item Type: Publication - Article
Digital Object Identifier (DOI): https://doi.org/10.1016/0048-9697(93)90322-W
Programmes: CEH Programmes pre-2009 publications > Other
CEH Sections/Science Areas: _ Pre-2000 sections
ISSN: 0048-9697
Additional Keywords: radioecology, Cs-137, radioactivity, catchment release, Chernobyl
NORA Subject Terms: Ecology and Environment
Date made live: 05 Mar 2013 14:36 +0 (UTC)
URI: http://nora.nerc.ac.uk/id/eprint/21294

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