An international model validation exercise on radionuclide transfer and doses to freshwater biota

Yankovich, T.L.; Vives i Batlle, J.; Vives-Lynch, S.; Beresford, N.A.; Barnett, C.L.; Beaugelin-Seiller, K.; Brown, J.E.; Cheng, J-J.; Copplestone, D.; Heling, R.; Hosseini, A.; Howard, B.J.; Kamboj, S.; Kryshev, A.I.; Nedveckaite, T.; Smith, J.T.; Wood, M.D.. 2010 An international model validation exercise on radionuclide transfer and doses to freshwater biota. Journal of Radiological Protection, 30. 299-340.

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Under the International Atomic Energy Agency (IAEA)’s EMRAS (Environmental Modelling for Radiation Safety) programme, activity concentrations of 60Co, 90Sr, 137Cs and 3H in Perch Lake at Atomic Energy of Canada Limited’s Chalk River Laboratories site were predicted, in freshwater primary producers, invertebrates, fishes, herpetofauna and mammals using elevenmodelling approaches. Comparison of predicted radionuclide concentrations in the different species types with measured values highlighted a number of areas where additional work and understanding is required to improve the predictions of radionuclide transfer. For some species, the differences could be explained by ecological factors such as trophic level or the influence of stable analogues. Model predictions were relatively poor for mammalian species and herpetofauna compared with measured values, partly due to a lack of relevant data. In addition, concentration ratios are sometimes under-predicted when derived from experiments performed under controlled laboratory conditions representative of conditions in other water bodies.

Item Type: Publication - Article
Digital Object Identifier (DOI):
Programmes: CEH Topics & Objectives 2009 - 2012 > Biogeochemistry > BGC Topic 3 - Managing Threats to Environment and Health > BGC - 3.1 - Develop temporally and spatially explicit risk assessment tools ...
UKCEH and CEH Sections/Science Areas: Shore
ISSN: 0952-4746
Additional Information. Not used in RCUK Gateway to Research.: Full text can be accessed via the Official URL link
Additional Keywords: radioecology
Date made live: 29 Jun 2010 08:54 +0 (UTC)

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