Articles | Volume 20, issue 9
Atmos. Chem. Phys., 20, 5759–5769, 2020
https://doi.org/10.5194/acp-20-5759-2020
Atmos. Chem. Phys., 20, 5759–5769, 2020
https://doi.org/10.5194/acp-20-5759-2020

Research article 14 May 2020

Research article | 14 May 2020

Measurements and modeling of airborne plutonium in Subarctic Finland between 1965 and 2011

Susanna Salminen-Paatero et al.

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Latest update: 23 Sep 2021
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Short summary
We measured concentrations and isotope ratios of plutonium in air filters collected in Finnish Lapland in 1965–2011. Radioactive-contamination sources were global nuclear-testing fallout and the Fukushima and SNAP-9A accidents. Both real and hypothetical nuclear accidents were studied with atmospheric-dispersion modeling. The radioactive-contamination effect on Finnish Lapland would be minor from an intended nuclear power plant and negligible from a floating nuclear reactor in the Barents Sea.
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