Development of a dynamic food chain model DYNACON and its application to Korean agricultural conditions

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A dynamic food chain model DYNACON was developed to simulate the radionuclide transfer on agricultural ecosystems. DYNACON estimates the radioactivity in each compartment of food chains for three radionuclides, nine plant species and five animal products as a function of the deposition date. A number of the parameter values used in this study are representative of Korean agricultural conditions. The model was expressed by coupled differential equations and the radioactivity in each compartment was solved as a function of time following an acute deposition. Although DYNACON is structurally based on existing models, it was designed in order to simulate more realistic radionuclide behavior in Korean agricultural conditions and to save computation time. It was found that the radioactivity in foodstuffs depends strongly on the date of deposition. A comparative study between DYNACON and an equilibrium model showed good agreement for depositions that occur during the growing season of plants. DYNACON is going to be implemented in a Korean rear-time dose assessment system FADAS.
Publisher
ATOMIC ENERGY SOC JAPAN
Issue Date
1998-06
Language
English
Article Type
Article
Citation

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY, v.35, no.6, pp.454 - 461

ISSN
0022-3131
DOI
10.3327/jnst.35.454
URI
http://hdl.handle.net/10203/77446
Appears in Collection
NE-Journal Papers(저널논문)
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