Volume 40, May 2005ECORAD 2004
|Page(s)||S385 - S390|
|Published online||17 June 2005|
A dynamic compartment model for evaluating the transfer of radionuclide into rice-plants after an acute release
Nuclear Environment Research Department, Korea Atomic Energy Research Institute 150 Deokjindong, Yuseong, Daejeon 305-323, Korea
A dynamic compartment model was developed to evaluate the transport of accidentally released radionuclides onto rice-fields. In the model, the surface water compartment and shoot-base absorption were introduced to account for the effect of an irrigation which is essential to rice cultivation. Allowance was made for the effect of a soil mixing by a plough and an irrigation before transplanting the rice. The rate of root-uptake and shoot-base absorption were modeled in terms of the function of the biomass. In order to test the validation of the model, some 137Cs deposition experiments were carried out for several years while cultivating rice in a greenhouse using soils sampled from rice-fields around Kori, Yonggwang and Ulchin nuclear power plants in Korea. The model prediction agreed well to the experimental results within one order of magnitude.
© EDP Sciences, 2005
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