*Mohamed Racim Boutefnouchet¹、Yuichi Onda²、Wataru Sakashita³、Hiroaki Kato²、Xinchao Sun⁴、Chen-Wei Chiu⁵、Takashi Gomi⁵ (1.Graduate School of Life and Environmental Sciences, University of Tsukuba、2.Center for Research on Isotope and Environmental Dynamics, University of Tsukuba、3.Faculty of Life and Environmental Sciences, University of Tsukuba、4.Institute of Surface-Earth System Science, Tianjin University、5.Tokyo University of Agriculture and Technology)

*Mohamed Racim Boutefnouchet¹、Yuichi Onda²、Wataru Sakashita³、Hiroaki Kato²、Xinchao Sun⁴、Chen-Wei Chiu⁵、Takashi Gomi⁵ (1.Graduate School of Life and Environmental Sciences, University of Tsukuba、2.Center for Research on Isotope and Environmental Dynamics, University of Tsukuba、3.Faculty of Life and Environmental Sciences, University of Tsukuba、4.Institute of Surface-Earth System Science, Tianjin University、5.Tokyo University of Agriculture and Technology)

*小塚 翔平¹、恩田 裕一²、加藤 弘亮²、脇山 義史³、酒井 直樹⁴ (1.筑波大学生命環境学群地球学類、2.筑波大学アイソトープ環境動態研究センター、3.福島大学環境放射能研究所、4.国立研究開発法人防災科学技術研究所)

*Marc-Andre Gonze¹、Philippe Calmon¹、Pierre Hurtevent¹、Valérie Nicoulaud¹、Frédéric Coppin¹、Yves Thiry²、Hiroaki Kato³、Yuchi Onda³ (1.Institute of Radioprotection and Nuclear Safety、2.ANDRA、3.CRIED)

*加藤 弘亮¹、恩田 裕一¹、Saidin Zul Hilmi¹ (1.筑波大学アイソトープ環境動態研究センター)

*坂下 渉¹、恩田 裕一²、加藤 弘亮²、Nam Sooyoun³、五味 高志³ (1.筑波大学　生命環境系、2.筑波大学　アイソトープ環境動態研究センター、3.東京農工大学)

*Zul Hilmi Saidin¹、Yuichi Onda¹、Hiroaki Kato¹ (1.Center for Research on Isotopes and Environmental Dynamics, University of Tsukuba)

*坂下 渉¹、恩田 裕一²、加藤 弘亮²、Nam Sooyoun³、五味 高志³ (1.筑波大学　生命環境系、2.筑波大学　アイソトープ環境動態研究センター、3.東京農工大学)

*Zul Hilmi Saidin¹、Yuichi Onda¹、Hiroaki Kato¹ (1.Center for Research on Isotopes and Environmental Dynamics, University of Tsukuba)