Behaviour of oceanic 137Cs following the Fukushima Daiichi Nuclear Power Plant accident for four years simulated numerically by a regional ocean model

Daisuke Tsumune1, Takaki Tsubono1, Michio Aoyama2, Kazuhiro Misumi3 and Yutaka Tateda1, (1)Central Research Institute of Electric Power Industry, Tokyo, Japan, (2)Fukushima University, Fukushima, Japan, (3)Central Research Institute of Electic Power Industry, Tokyo, Japan