Articles | Volume 22, issue 2
Atmos. Chem. Phys., 22, 783–803, 2022
https://doi.org/10.5194/acp-22-783-2022
Atmos. Chem. Phys., 22, 783–803, 2022
https://doi.org/10.5194/acp-22-783-2022
Research article
18 Jan 2022
Research article | 18 Jan 2022

Reassessment of the radiocesium resuspension flux from contaminated ground surfaces in eastern Japan

Mizuo Kajino et al.

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Short summary
Using a numerical model and observations of surface concentration and depositions, the current study provides quantitative assessments of resuspension, transport, and deposition of radio-Cs in eastern Japan in 2013, which was once deposited to the ground surface after the Fukushima nuclear accident. The areal mean resuspension rate of radio-Cs from the ground to the air is estimated as 0.96 % per year, which is equivalent to 1–10 % of the decreasing rate of the ambient gamma dose in Fukushima.
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