*Hikaru Miura¹, Yuichi Kurihara², Masayoshi Yamamoto³, Aya Sakaguchi⁴, Kazuya Tanaka², Shogo Higaki⁵, Yoshio Takahashi⁵ (1.Central Research Institute of Electric Power Industry, 2.JAEA, 3.University of Kanazawa, 4.University of Tsukuba, 5.The University of Tokyo)

*Kazuyuki Kita¹, Naho Hayashi¹, Koutaro Minami¹, Mao Kimura¹, Yasuhito Igarashi^1,7, Kouji Adachi², Teruya Maki³, Atsuyuki Sorimachi⁴, Ishizuka Masahide⁵, Jun Furukawa⁶, Kazuhiko Ninomiya⁸, Atsushi Shinohara⁸, Olivier Masson⁹ (1.Graduate School of Science and Engineering, Ibaraki University, 2.Meteorological Research Laboratory, 3.Kanazakwa University, 4.Fukushima Medical Univeristy, 5.Kagawa University, 6.Tsukuba University, 7.Kyoto University, 8.Osaka University, 9.IRSN)

*Tomoki Shinozuka¹, Hiroaki Kato², Satoru Akaiwa¹, Yuichi Onda² (1.College of Geoscience, School of Life and Environmental Sciences, University of Tsukuba, 2.Center for Research in Isotopes and Environmental Dynamics, University of Tsukuba)

*Takahiro Tatsuno¹, Shoichiro Hamamoto¹, Naoto Nihei¹, Taku Nishimura¹ (1.Deptartment of Biological and Environmental Engineering, Graduate School of Agricultural and Life Sciences, University of Tokyo)

*Yoshito Sasaki¹, Tadafumi Niizato¹, Katsuaki Mitachi², Satomi Ito¹, Takayoshi Watanabe¹ (1.Japan Atomic Energy Agency , 2.ATOM TRANSPORT SERVICE CO., LTD)

*Satoru Akaiwa¹, Hiroaki Kato², Tomoki Shinozuka¹, Yuichi Onda² (1.College of Geoscience, School of Life and Environmental Sciences, University of Tsukuba, 2.Center for Research on Isotopes and Environmental Dynamics, University of Tsukuba)

*Hiroaki Kato¹, Yuichi Onda¹, Zul Hilmi Saidin¹, Momo Kurihara¹, Tomoki Shinozuka², Satoru Akaiwa² (1.Center for Research in Isotopes and Environmental Dynamics, University of Tsukuba, 2.College of Geoscience, School of Life and Environmental Sciences, University of Tsukuba)

*Shota Kambayashi¹, Tatsuo Aono¹, Hiroki Hamajima¹, Hiroyuki Takahashi¹, Mitsuru Yamamura², Yutaka Yamada¹ (1.National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, 2.Japan Conservation Engineers & Co.,LTD Inc.)

*Satoshi Hadano¹, Shoichiro Hamamoto¹, Naoto Nihei¹, Taiga Okumura¹, Toshihiro Kogure¹, Taku Nishimura¹ (1.The University of Tokyo)

*Daisuke Tsumune¹, Tsubono Takaki¹, Kazuhiro Misumi¹, Yutaka Tateda¹, Yuichi Onda², Michio Aoyama³ (1.Central Research Institute of Electric Power Industry, 2.Center for Research in Isotopes and Environmental Dynamics, University of Tsukuba, 3.Institute of Environmental Radioactivity, Fukushima University)

*Michio Aoyama¹, Yasunori Hamajima², Yayoi Inomata², Yuichiro Kumamoto³, Tsubono Takaki⁴, Daisuke Tsumune⁴ (1.Institute of Environmnetal Radioactivity, Fukushima University, 2.Institute of Nature and Environmental Technology, Kanazawa university, 3.Japan Agency for Marine-Earth Science and Technology, 4.Environmental Science Research Laboratory, Central Research Institute of Electric Power Industry)

*Hyoe Takata¹, Mutsuo Inoue², Natsumi Kudo¹, Yuhei Shirotani¹ (1.Marine Ecoloy Research Institute, 2.Kanazawa Univ.)

*Tsubono Takaki¹, Kazuhiro Misumi¹, Daisuke Tsumune¹, Michio Aoyama², Katsumi Hirose³ (1.Central Research Institute of Electric Power Industry, 2.Fukushima University, 3.Sophia University)

*Ryo Takakura¹, Katsumi Shozugawa¹, Mayumi Hori¹, Motoyuki Matsuo¹ (1.Graduate school of arts and sciences, the university of Tokyo)