Modelling the distribution of radionuclides in a Mediterranean coastal ecosystem |
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| Affiliation: | 1. Medical Radiation Physics, Department of Translational Medicine, Malmö, Lund University, 205 02, Malmö, Sweden;2. Centre for Crisis Communication, School of Humanities, Education and Social Sciences, Örebro University, 70182, Örebro, Sweden;3. Department of Economics, School of Business, Economics and Law, University of Gothenburg, 40530, Gothenburg, Sweden;4. School of Public Health and Community Medicine, University of Gothenburg, Gothenburg, 40530, Gothenburg, Sweden;5. Department of Medical Radiation Sciences, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, 41345, Gothenburg, Sweden;1. Center for Environmental Radioactivity (CERAD) CoE, Faculty of Environmental Sciences and Natural Resource Management, Norwegian University of Life Sciences, P.O. Box 5003, N-1432, Ås, Norway;2. Institute of Environmental Radioactivity, Fukushima University, Fukushima, 1 Kanayagawa, Fukushima, 90-12696, Japan;3. National University of Life and Environmental Sciences of Ukraine (NUBiP of Ukraine), Mashinobudivnykiv Str. 7, Chabany, Kyiv-Svjatoshin distr. Kyiv reg., 08162, Ukraine;4. Centro Nacional de Aceleradores, CNA (Universidad Sevilla-J. Andalucía-CSIC), Parque Tecnológico Cartuja 93, Avenida Tomas Alva Edison 7, 41092, Sevilla, Spain;1. Radiation, Chemical and Environmental Hazards Directorate (RCE), UK Health Security Agency (UKHSA), Chilton, Didcot, Oxfordshire, OX11 0RQ, UK;2. SPA “Belenergo”, 220004 Minsk, Belarus |
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| Abstract: | The present paper deals with the modelling process in relation to the class of well-mixed compartment models (box models).A box model has been described and tested for radionuclides released by a BWR Nuclear Power plant (2 × 1000 MWe; under construction at Montalto di Castro, Central Italy) into the Tyrrhenian Sea.The model predicts the radionuclide transport between the most important components of the coastal marine ecosystem (water, pore-water, sediments and biota), but only the possibility of determining radionuclide concentrations associated with abiotic components is discussed.In the context of modelling, the requirements for information concerning the behaviour of radionuclides in a coastal ecosystem are discussed, with reference to chemical, physical and biological considerations.A validation for the radionuclide transport model was made using literature data on the Sellafield (Windscale) site. The major sources of uncertainty in the model were evaluated by sensitivity analysis and parameter imprecision analysis using site-specific parameter values obtained at Montalto di Castro. |
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