[3Q14-17] Environmental Radioactivity 4

[3Q14] Investigation on distribution of radioactive substances in Fukushima

(11)Sediment discharge and radiocesium wash-off on slopes of various land use types

*Yoshifumi Wakiyama¹, Yuichi Onda², Shohei Kodsuka³, Yasunori Igarashi¹, Junko Takahashi², Takaaki Kubo³ (1. Institute of Environmental Radioactivity, Fukushima University, 2. Center for Research in Isotopes and Environmental Dynamics, University of Tsukuba, 3. School of Life and Environmental Sciences, University of Tsukuba)

Keywords:surface runoff, Soil erosion plot, Decontamination

To understand dynamics of radiocesium released by the accident of Fukushima Dai-ichi nuclear power plant and deposited on terrestrial environment, we investigated sediment discharge and radiocesium wash-off on slopes of various land use types, including decontaminated land and farmland etc., using soil erosion plots.