Impact of river discharge on distribution of oceanic 137Cs released from the Fukushima Dai-ichi Nuclear Power Plant accident

Daisuke Tsumune, Ctr Res Inst Electic Power Ind, Abiko, Japan, Takaki Tsubono, Central Research Institute of Electric Power Industry, Abiko, Japan, Kazuhiro Misumi, CRIEPI, Abiko, Chiba, Japan, Yutaka Tateda, Central Research Institute of Electric Power Industry, Tokyo, Japan, Yuichi Onda, University of Tsukuba, Center for Research in Radiation, Isotopes and Earth System Sciences, Tsukuba, Japan and Michio Aoyama, Institute of Environmental Radioactivity, Fukushima University, Fukushima, Japan