2C3

[2A10] Reconstruction of ¹²⁹I Input History to the Surface Environment Using a Sediment Core from Beppu

*ZHIYUAN SHI^1,2, Michinobu Kuwae³, Kimikazu SASA², Masumi Matsumura², Tsutomu Takahashi², Yuichi Takaku⁴, Shinya Yamasaki⁴, Keisuke Sueki^2,4, Aya Sakaguchi^2,4 (1. University of Tsukuba, Graduate School of Science and Technology, Degree Programs in Life and Earth Sciences, Doctoral Program in Environmental Studies, 2. University of Tsukuba, AMS Group, 3. Ehime University, Center for Marine Environmental Studies, 4. University of Tsukuba, Institute of Pure and Applied Sciences)