Iosjpe M, Reistad O, Amundsen I B
Norwegian Radiation Protection Authority, Grininaeringspark 13, P.O. Box 55, N-1332 Østerås, Norway.
J Environ Radioact. 2009 Feb;100(2):184-91. doi: 10.1016/j.jenvrad.2008.11.010. Epub 2008 Dec 24.
This article presents results pertaining to a risk assessment of the potential consequences of a hypothetical accident occurring during the transportation by ship of spent nuclear fuel (SNF) along an Arctic coastline. The findings are based on modelling of potential releases of radionuclides, radionuclide transport and uptake in the marine environment. Modelling work has been done using a revised box model developed at the Norwegian Radiation Protection Authority. Evaluation of the radioecological consequences of a potential accident in the southern part of the Norwegian Current has been made on the basis of calculated collective dose to man, individual doses for the critical group, concentrations of radionuclides in seafood and doses to marine organisms. The results of the calculations indicate a large variability in the investigated parameters above mentioned. On the basis of the calculated parameters the maximum total activity ("accepted accident activity") in the ship, when the parameters that describe the consequences after the examined potential accident are still in agreement with the recommendations and criterions for protection of the human population and the environment, has been evaluated.
本文介绍了关于在北极海岸线通过船舶运输乏核燃料(SNF)期间发生假设事故的潜在后果的风险评估结果。这些发现基于对海洋环境中放射性核素潜在释放、放射性核素运输和吸收的建模。建模工作使用了挪威辐射防护局开发的修订箱式模型。基于计算得出的对人类的集体剂量、关键群体的个体剂量、海产品中放射性核素的浓度以及对海洋生物的剂量,对挪威洋流南部潜在事故的放射生态后果进行了评估。计算结果表明上述研究参数存在很大差异。基于计算参数,在描述所研究的潜在事故后果的参数仍符合保护人类和环境的建议及标准的情况下,对船舶中的最大总活度(“可接受事故活度”)进行了评估。