Behavior of Radiocesium in Forest Multilayered Soils
(1993) Journal of Environmental Radioactivity — Vol. 18, n° 3, p. 247-257 (1993)
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- Abstract
- The migration potentials for Cs-134 in spruce soil columns (undisturbed profile) following a surface contamination and also the redistribution of the radionuclide through the profile have been investigated. The radiocaesium bioavailability in the different horizons was estimated by activity measurements in the soil solution and from extractions made of the solid phase. The calculation of a Kd ratio indicates that retention mechanisms increase very rapidly with depth. Cs-134 speciation reveals the high affinity of the radionuclide for specific sites on mineral components. In spite of its organic nature, the O Ah horizon has a great efficiency for Cs accumulation; the role of humic clay components and/or microflora is unforeseen.
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Citations
Thiry, Y., & Myttenaere, C. (1993). Behavior of Radiocesium in Forest Multilayered Soils. Journal of Environmental Radioactivity, 18(3), 247-257. https://doi.org/10.1016/0265-931X(93)90030-B (Original work published 1993)