Abstract
The chronology of events in Kamchatka related to the threat of radioactive contamination of the territory as a result of the Fukushima-1 nuclear power station (NPS) accident in Japan is briefly reviewed based on the published data. The accident happened on March 11, 2011, after a strong earthquake near the coast of Japan and the giant tsunami followed by the earthquake. The power supply was damaged and, as a result, the cooling system of NPS reactors was destroyed. Although the reactors did not explode, radioactive emissions from the damaged NPS discharged into the atmosphere and spread over large areas by the air flows. Information about the radiation situation in Kamchatka is controversial. Therefore, the author carried out regular monitoring of the radiation background during a hiking trip in Kamchatka in August 2011. The data are presented in this paper. It was concluded that the radiation background along the route of the trip was consistent (within the accuracy of measurement methods) with the normal values of a natural background. A thorough analysis of air, soil, food samples, etc., is required for a more detailed study to identify the presence of radionuclides in the atmospheric emissions from the damaged NPS in Japan.
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Original Russian Text © A.I. Sidorin, 2013, published in Geofizicheskie Protsessy i Biosfera, 2013, Vol. 12, No. 2, pp. 67–80.
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Sidorin, A.I. Radiation situation in Kamchatka after the Fukushima nuclear power station accident. Izv. Atmos. Ocean. Phys. 49, 860–869 (2013). https://doi.org/10.1134/S0001433813080070
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DOI: https://doi.org/10.1134/S0001433813080070