Determination of the source location of anthropogenic radionuclides collected in Finland and Sweden in June 2020 using a multi-technology analysis

IF 1.9 3区环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES Journal of environmental radioactivity Pub Date : 2024-08-08 DOI:10.1016/j.jenvrad.2024.107508

Ian Hoffman , P. Mekarski , A. Botti , J. Yi , A. Malo , C. Cochrane , V. Khotylev , J. Kastlander , A. Axelsson , A. Ringbom , M. Moring , T. Karhunen , A. Mattila , M. Goodwin , A. Davies , K. Ungar

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Abstract

In June 2020, observations of anthropogenic radionuclides in Estonia, Finland, and Sweden that were not related to any acknowledged environmental release led to a comprehensive investigation on the source and cause of the unusual emissions. Several of the observed radionuclides were on the list of Comprehensive Nuclear-Test-Ban Treaty (CTBT) relevant radionuclides as an indicator of a potential nuclear test, and warranted detailed investigation. While analysis of aerosol samples coupled with Atmospheric Transport and Dispersion Modelling (ATDM) is a standard approach for environmental particulate releases, several new techniques were employed to better characterize the samples that allowed for useful inferences to be made. These inferences were crucial in forming the ultimate hypothesis for determining the facility type and location of the release.

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利用多技术分析法确定 2020 年 6 月在芬兰和瑞典收集的人为放射性核素的来源位置。

2020 年 6 月，在爱沙尼亚、芬兰和瑞典观测到与任何公认的环境释放无关的人为放射性核素，导致对异常排放的来源和原因进行全面调查。观测到的放射性核素中有几种被列入《全面禁止核试验条约》（CTBT）相关放射性核素清单，作为潜在核试验的指标，值得进行详细调查。虽然气溶胶样本分析与大气传输和扩散模型（ATDM）相结合是环境微粒释放的标准方法，但为了更好地描述样本的特征，我们采用了几种新技术，以便做出有用的推断。这些推论对于形成最终假设以确定设施类型和释放位置至关重要。

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来源期刊

Journal of environmental radioactivity 环境科学-环境科学

CiteScore

4.70

自引率

13.00%

发文量

209

审稿时长

73 days

期刊介绍： The Journal of Environmental Radioactivity provides a coherent international forum for publication of original research or review papers on any aspect of the occurrence of radioactivity in natural systems. Relevant subject areas range from applications of environmental radionuclides as mechanistic or timescale tracers of natural processes to assessments of the radioecological or radiological effects of ambient radioactivity. Papers deal with naturally occurring nuclides or with those created and released by man through nuclear weapons manufacture and testing, energy production, fuel-cycle technology, etc. Reports on radioactivity in the oceans, sediments, rivers, lakes, groundwaters, soils, atmosphere and all divisions of the biosphere are welcomed, but these should not simply be of a monitoring nature unless the data are particularly innovative.