Summary of IAEA-MEL's investigation of Kara Sea radioactivity and radiological assessment

Pettersson, Håkan,1956-Östergötlands Läns Landsting,Linköpings universitet,Medicinsk radiofysik,Radiofysikavdelningen,Hälsouniversitetet (författare)

IAEA-MEL participated in five expeditions to the Kara Sea with the aim of assessing the radiological consequences of dumped radioactive wastes in the Novaya Zemlya Bays and Trough. The programme included sampling, in-situ underwater investigations, laboratory analyses of water, sediment and biota samples, the development of a marine radioactivity database, modelling and radiological assessment, the organization of intercomparison exercises and the evaluation of distribution coefficients. Radiometric investigations have shown that no radiologically significant environmental contamination has occurred. Leakages which have led to locally increased levels of radionuclides in sediment have only been observed in Stepovoy and Abrosimov Bays. Computer modelling results suggest that only radiological effects on local and regional scales may be of importance. The global radiological impact of the disposals in the Arctic Seas will be negligible.

Av författaren/redakt...: Pettersson, Håka ...; Povinec, P. P.; Osvath, I.; Baxter, M. S.; Ballestra, S.; Carroll, J.; visa fler...; Gastaud, J.; Harms, I.; visa färre...

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