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 J Radiat Prot > Volume 27(1);2002 > Article
 Journal of Radiation Protection 2002;27(1):21.
 원자력 사고 중 강우에 의한 음식물 오염영향을 고려한 역동학적 섭식경로모델 개선 황원태;김은한;한문희;최용호;이한수;이창우; Improvement of a Dynamic Food Chain Model Considering the Influence of Radioactive Contamination of Foods by Rainfall During a Nuclear Emergency Hwang, Won-Tae;Kim, Eun-Han;Han, Moon-Hec;Choi, Yong-Ho;Lee, Han-Soo;Lee, Chang-Woo; ABSTRACT For the consideration of the influence on radioactive contamination of foods due to rain during the release period of radionuclides in a nuclear accident, the previous dynamic food chain model was improved. Wet interception coefficients for the agricultural plants were derived as a function of radionuclide and rainfall amount, and mathematical formula of the model was also re-established. In the results for the same time-integrated radioactive concentrations on the ground, radioactive contamination of foods decreased greatly by rainfall, and it decreased dramatically according to increasing rainfall amount. It means that predictive contamination in foods using the previous dynamic food chain model, in which dry interception to the agricultural plants is only considered, can be overestimated. Among radionuclides considering in this study ($^{137}Cs,;^{90}Sr,;^{131}I$), influence of rainfall for food contamination was the most sensitive to $^{131}I$, and the least sensitive to $^{90}Sr$.
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