Articles | Volume 9, issue 4
Earth Surf. Dynam., 9, 861–893, 2021
https://doi.org/10.5194/esurf-9-861-2021
Earth Surf. Dynam., 9, 861–893, 2021
https://doi.org/10.5194/esurf-9-861-2021

Research article 03 Aug 2021

Research article | 03 Aug 2021

Assessing the effect of topography on Cs-137 concentrations within forested soils due to the Fukushima Daiichi Nuclear Power Plant accident, Japan

Misa Yasumiishi et al.

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Cited articles

Amaral, E., Amundsen, I., Barišić, D., Booth, P., Clark, D., Ditmars, J., Dlouhy, Z., Drury, N., Gehrche, K., and Gnugnoli, G.: Characterization of radioactively contaminated sites for remediation purposes, International Atomic Energy Agency, IAEA-Tecdoc, 1011-4289, International Atomic Energy Agency, Vienna, Austria, 1998. 
Ayabe, Y., Hijii, N., and Takenaka, C.: Effects of local-scale decontamination in a secondary forest contaminated after the Fukushima nuclear power plant accident, Environ. Pollut., 228, 344–353, 2017. 
Bennett, S. J., Rhoton, F. E., and Dunbar, J. A.: Texture, spatial distribution, and rate of reservoir sedimentation within a highly erosive, cultivated watershed: Grenada Lake, Mississippi, Water Resour. Res., 41, W01005, https://doi.org/10.1029/2004wr003645, 2005. 
Bivand, R. S., Pebesma, E. J., Gómez-Rubio, V., and Pebesma, E. J.: Applied spatial data analysis with R, Springer, New York, USA, 2008. 
Burr, T. and Hamada, M.: Radio-Isotope Identification Algorithms for NaI γ Spectra, Algorithms, 2, 339–360, https://doi.org/10.3390/a2010339, 2009. 
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Short summary
Topographic effects on radioactive contamination in a forested area were quantitatively examined using soil core samples collected in a village in Fukushima, Japan. The results confirmed that local topography influences the contamination patterns in soils, and its effects vary depending on the combinations of the topographic parameters. This finding suggests that topographic characteristics should be considered carefully in future environmental radioactive risk assessments.