期刊
JOURNAL OF ENVIRONMENTAL RADIOACTIVITY
卷 47, 期 1, 页码 101-114出版社
ELSEVIER SCI LTD
DOI: 10.1016/S0265-931X(99)00025-9
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A mathematical model of Cs-137 behaviour in the forest ecosystem is presented. The behaviour of this radionuclide is assumed to obey the same regularities as the behaviour of its stable chemical analogue, potassium. Radionuclide dynamics are considered in parallel with the dynamics of the phytomass. Radionuclides contained in the vegetation are pooled into two basic compartments: external and internal contamination, with separate analysis of each. The model was verified using the data obtained in the 30-km zone of the Chernobyl NPP in 1986-1994. The algorithm described was found to be the most efficient in terms of 137Cs behaviour in the forest environments. (C) 1999 Elsevier Science Ltd. All rights reserved.
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