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Background: In terms of the Level 3 probabilistic safety assessment (Level 3 PSA), ingestion of food that had been exposed to radioactive materials is important to assess the intermediate- and long-term radiological dose. Because the ingestion dose is considerably dependent upon the agricultural and dietary characteristics of each country, the reliability of the assessment results may become diminished if the characteristics of a foreign country are considered. Thus, this study intends to evaluate and analyze the ingestion dose of Korean during a severe accident by completely considering the available agricultural and dietary characteristics in Korea. Materials and Methods: This study uses COMIDA2, which is a program based on dynamic food chain model. It sets the parameters that are appropriate to Korean characteristics so that we can evaluate the inherent ingestion dose of Korean. The results were analyzed by considering the accident date and food category with regard to the $^{137}Cs$. Results and Discussion: The dose and contribution of the food category depicted distinctive differences based on the accident date. Particularly, the ingestion dose during the first and second years depicted a considerable difference by the accident date. However, after the third year, the effect of foliar absorption was negligible and exhibited a similar tendency along with the order of root uptake rate based on the food category. Conclusion: In this study, the agricultural and dietary characteristics of Korea were analyzed and evaluated the ingestion dose of Korean during a severe accident using COMIDA2. By considering the inherent characteristics of Korean, it can be determined that the results of this study will significantly contribute to the reliability of the Level 3 PSA.
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참고문헌 (6)
참고문헌 신청
Abbott ML / 1994 / COMIDA: a radionuclide food chain model for acute fallout deposition / Health. Phys. 66(1):3~33
Hwang WT / 1998 / Development of a dynamic food chain model DYNACON and its application to Korean agricultural conditions / J. Nucl. Sci. Technol. 35(6):454~461
Korea Atomic Energy Research Institute / 1990 / A Development of computer code for evaluating internal radiation dose through ingestion and inhalation pathways :152~157
International Atomic Energy Agency / 2010 / Handbook of parameter values for the prediction of radionuclide transfer in terrestrial and freshwater environments. IAEA Technical Reports Series no.472 :147
Idaho National Engineering / 1998 / COMIDA input parameters and sample input files, Appendix A. NUREG/CR-6613 :15~16
Hwang WT / 1998 / Development of a dynamic food chain model DYNACON and its application to Korean agricultural conditions / J. Nucl. Sci. Technol. 35(6):454~461
Korea Atomic Energy Research Institute / 1990 / A Development of computer code for evaluating internal radiation dose through ingestion and inhalation pathways :152~157
International Atomic Energy Agency / 2010 / Handbook of parameter values for the prediction of radionuclide transfer in terrestrial and freshwater environments. IAEA Technical Reports Series no.472 :147
Idaho National Engineering / 1998 / COMIDA input parameters and sample input files, Appendix A. NUREG/CR-6613 :15~16
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