Articles | Volume 16, issue 20
https://doi.org/10.5194/acp-16-13149-2016
https://doi.org/10.5194/acp-16-13149-2016
Research article
 | 
27 Oct 2016
Research article |  | 27 Oct 2016

Long-term assessment of airborne radiocesium after the Fukushima nuclear accident: re-suspension from bare soil and forest ecosystems

Mizuo Kajino, Masahide Ishizuka, Yasuhito Igarashi, Kazuyuki Kita, Chisato Yoshikawa, and Masaru Inatsu

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Cited articles

Adachi, K., Kajino, M., Zaizen, Y., and Igarashi, Y.: Emission of spherical cesium-bearing particles from an early stage of the Fukushima nuclear accident, Scientific Report, 3, 2554, https://doi.org/10.1038/srep02554, 2013.
Chino, M., Nakayama, H., Nagai, H., Terada, H., Katata, G., and Yamazawa, H.: Preliminary estimation of release amounts of 131I and 137Cs accidentally discharged from the Fukushima Daiichi nuclear power plant into atmosphere, J. Nucl. Sci. Technol., 48, 1129–1134, 2011.
Danielache, S. O., Yoshikawa, C., Priyadarshi, A., Takemura, T., Ueno, Y., Thiemens, M. H., and Yoshida, N.: An estimation of the radioactive 35S emitted into the atmospheric from the Fukushima Daiichi Nuclear Power Plant by using a numerical simulation global transport, Geochem. J., 46, 355–339, 2012.
Danielache, S. O., Yoshikawa, C., Kajino, M., Itou, S., Kakeya, W., Yoshida, N., and Igarashi, Y.: Radioactive 35S emitted from the Fukushima Nuclear Power Plan studied by a modified regional model, in preparation, Atmos. Chem. Phys., 2016.
Draxler, R., Arnold, D., Chino, M., Galmarini, S., Hort, M., Jones, A., Leadbetter, S., Malo, A., Maurer, C., Rolph, G., Saito, K., Servranckx, R., Shimbori, T., Solazzo, E., and Wotawa, G.: World Meteorological Organization's model simulations of the radionuclide dispersion and deposition from the Fukushima Daiichi nuclear power plant accident, J. Environ. Radioact., 139, 172–184, 2015.
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Short summary
The current study provides the first quantitative budget analysis of radiocesium re-suspended from ground surface contaminated by the Fukushima nuclear accident. It provides useful information to society since our simulation can be used for the long-term assessment of internal exposure to residents in Japan. It also discussed that the re-suspension from forest ecosystems could be a dominant source of suspended radiocesium in the warm season in Japan.
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