*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)

*Wataru Sakashita¹, Yuichi Onda², Hiroaki Kato², Sooyoun Nam³, Takashi Gomi³ (1.Faculty of Life and Environmental Sciences, University of Tsukuba, 2.Center for Research in Isotopes and Environmental Dynamics, University of Tsukuba, 3.Tokyo University of Agriculture and Technology)

*Wataru Sakashita¹, Yuichi Onda², Hiroaki Kato², Sooyoun Nam³, Takashi Gomi³ (1.Faculty of Life and Environmental Sciences, University of Tsukuba, 2.Center for Research in Isotopes and Environmental Dynamics, University of Tsukuba, 3.Tokyo University of Agriculture and Technology)