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Bartuskov, M.*; Maltov, I.*; Berkovskyy, V.*; Krajewski, P.*; Ammann, M.*; Filistovic, V.*; 本間 俊充; Horyna, J.*; Kanyr, B.*; Nedveckaite, T.*; et al.
Radioprotection, 44(5), p.295 - 299, 2009/06
In 2003 IAEA launched the EMRAS Programme aiming at evaluating the predictive power of radiological models. The Iodine Working Group reassessed the impact of the release of I during the Chernobyl accident with the aim of comparing model predictions with environmental data and inter-comparing the model predictions. As for the Prague Scenario, milk supply regions of three big dairies were chosen for the model validation. The most important peculiarities of Prague Scenario were keeping milk cattle in sheds and a special feeding regime during May 1986. The modelers were asked to assess the I content in the thyroid of the local population and the resulting dose. The assessments were compared with measurement data. The results of these model calculations and their comparison with experimental data are presented.
Bartuskov, M.*; Maltov, I.*; Berkovskyy, V.*; Krajewski, P.*; Ammann, M.*; Filistovic, V.*; 本間 俊充; Horyna, J.*; Kanyr, B.*; Nedveckaite, T.*; et al.
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The main objective of the Iodine Working Group (IWG) in program EMRAS launched by IAEA was to improve the assessment models used for calculation of impact of releases of iodine radionuclides to the environment. Activities of IWG were focused primarily at evaluation of the predictive capability of environmental models, notably in relation to the impact of released radioiodine on thyroid exposure via inhalation and ingestion pathways. The Prague Scenario was characterized by countermeasures consisting from limitation of fresh pasture / fodder for dairy cows. The importance of the feedback between model calculations and measured data is stressed by the results of different model calculation in this scenario. For emergency situations, it is important that models enable input of different measured data (contamination of grass, milk etc.) in different steps of calculations.