Radiological impact assessment within the IAEA Arctic Assessment Project (IASAP)

E.M. Scott, P. Gurbutt, I. Harmes, R. Heling, Y. Kinehara, S.P. Nielsen, I. Osvath, R. Preller, T. Sazykina, A. Wada, Sjoeblom,K.L.

    Research output: Contribution to journalJournal articleResearch


    As part of the International Arctic Seas Assessment Project (IASAP) of IAEA, a working group was created to model the dispersal and transfer of radionuclides released from radioactive waste disposed of in the Kara Sea and bays of Novaya Zemlya and to assess the radiological impact. Existing models were extended, and new models developed to incorporate several features of the area (including ice formation and transport) which present modelling challenges. An extensive inter-model comparison involving both compartmental and 3-D hydrodynamic models was then carried out. Finally, the radiological impact was assessed based on several release scenarios prepared by the IASAP Sources working group. These included 'best estimate' release, 'plausible worst case' and 'worst case' scenarios. Collective dose as well as individual dose to identified populations were calculated. This paper reviews the models developed, highlights the general features of the inter-comparison and discusses the radiological impact assessment and conclusions based on it.
    Original languageEnglish
    JournalRadiation Protection Dosimetry
    Issue number1-4
    Pages (from-to)257-261
    Publication statusPublished - 1998

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