*Tsubasa Ikenoue¹, Hideyuki Kawamura¹, Yuki Kamidaira¹ (1. JAEA)

*YUKIKO OKADA¹, Naoto Kumagai¹, Haruaki Matsuura¹, Shun Watanabe², Seiichi Nohara³, Yoshikazu Kikawada⁴, Masanobu Mori⁵, Yoshitaka Minai⁶, Seiya Nagao⁷ (1. Tokyo City University, 2. Gunma Prefectural Fisheries Experiment Station, 3. National Institute for Environmental Studies, 4. Sophia University, 5. Kochi University, 6. Musashi University, 7. Kanazawa University)

*Haruaki Matsuura¹, Takamasa Nagahashi¹, Koki Sakashita¹, Naoto Kumagai¹, Seiichi Nohara², Yukiko Okada¹ (1. TCU, 2. NIES)

*Naoto Kumagai¹, Haruaki Matsuura¹, Takahumi Uchiyama¹, Shun Watanabe², Seiichi Nohara³, Yukiko Okada¹ (1. TCU, 2. Gunma Prefectural Fisheries Experiment Station, 3. NIES)

*Michio AOYAMA^1,2, Sabine Charmasson³, Yasunori Hamajima⁴, Celine Duffa³, Daisuke Tsumune⁵, Yutaka Tateda⁵ (1. Univ. of Tsukuba, 2. Fukushima Univ., 3. Institute de Radioprotection et de Sûreté nucléaire (IRSN), 4. Kanazawa Univ., 5. Central Research Institute of Electric Power Industry)

*Yukio Takeuchi¹, Hirotsugu Arai¹, Kazuki Fujita¹, Kazumi Katsuno¹, Kouki Nasu¹, Keisuke Taniguchi², Yuichi Onda² (1. FPCEC, 2. Univ. of Tsukuba, Center for Research in Isotopes and Environmental Dynamics)

*Masahiko Machida¹, Ayako Iwata¹, Susumu Yamada¹ (1. JAEA)