Journal
JOURNAL OF ENVIRONMENTAL RADIOACTIVITY
Volume 50, Issue 3, Pages 221-233Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S0265-931X(99)00118-6
Keywords
model; dynamics; Cs-137; radiocaesium; accumulation; fish; age; Chernobyl
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A dynamic model of radionuclide accumulation in fish is developed. In the model, the fish population is represented by a set of discrete age classes. Each age class is characterized by a specific growth rate, diet and activity of metabolic processes. The model describes all known types of size effect in the contamination of fish with radiocaesium. The detailed dynamics of Cs-137 accumulation by fish are demonstrated using the results of the model's application to ichtiofauna in a water body which has a high level of contamination with radiocaesium - namely, the cooling pond of the Chernobyl NPP. (C) 2000 Elsevier Science Ltd. All rights reserved.
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