[2M09-14] Environmental Radioactivity 3

[2M10] Investigation on distribution of radioactive substances in Fukushima

(16)Development of a watershed modeling for radionuclides

*Kazuyuki Sakuma¹, Masahiko Machida¹, Susumu Yamada¹, Hiroshi Kurikami¹ (1. JAEA)

Keywords:Modeling of radionuclides behavior, Fukushima Dai-ichi Nuclear Power Plant accident

We developed watershed modeling for radionuclides behavior in the environment based on the surface and subsurface water discharge and sediment transports. The results we applied the model to the upstream Ohta river reproduced the observed results about water, sediment, and radiocesium discharge.