Local variance of atmospheric 14C concentrations around Fukushima Dai-ichi Nuclear Power Plant from 2010 to 2012

Radiocarbon ( 14 C) has been measured in single tree ring samples collected from the southwest of the Fukushima Dai-ichi Nuclear Power Plant. Our data indicate south-westwards dispersion of radiocarbon and the highest 14 C activity observed so far in the local environment during the 2011 accident. T...

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Bibliographic Details
Published in:Journal of radioanalytical and nuclear chemistry 2017, Vol.314 (2), p.1001-1007
Main Authors: Chen, Biying, Xu, Sheng, Cook, Gordon T., Freeman, Stewart P. H. T., Hou, Xiaolin, Liu, Cong-Qiang, Naysmith, Philip, Yamaguchi, Katsuhiko
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Diagnostic Radiology
Electric power plants
Hadrons
Heavy Ions
Inorganic Chemistry
Nuclear accidents
Nuclear Chemistry
Nuclear electric power generation
Nuclear Physics
Nuclear power plants
Physical Chemistry
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Summary:Radiocarbon ( 14 C) has been measured in single tree ring samples collected from the southwest of the Fukushima Dai-ichi Nuclear Power Plant. Our data indicate south-westwards dispersion of radiocarbon and the highest 14 C activity observed so far in the local environment during the 2011 accident. The abnormally high 14 C activity in the late wood of 2011 ring may imply an unknown source of radiocarbon nearby after the accident. The influence of 14 C shrank from 30 km during normal reactor operation to 14 km for the accident in the northwest of FDNPP, but remains unclear in the southwest.
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-017-5459-8