[M-ZZ49] Frontiers of Geochemistry: Pioneering Research in a Changing World

[MZZ49-P02] Distribution and sources of authigenic Be isotopes in surface sediments and seawater off Totten Glacier, East Antarctica

*Yuri Yamazaki¹, Yusuke Suganuma^2,1, Takuya Itaki³, Atsuko Amano³, Takeshige Ishiwa^2,1, Daisuke Hirano^2,1, Motohiro Hirabayashi², Hiroyuki Matsusaki⁴, Takeyasu Yamagata⁴, Yuki Tokuda⁵, Ryosuke Makabe^2,1, Kohei Mizobata⁶, Takeshi Sugimura², Takeshi Tamura^2,1, Jun'ichi Okuno^2,1, Kosei E. Yamaguchi⁷ (1. The Graduate University for Advanced Studies, SOKENDAI, 2. National Institute of Polar Research, 3. Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 4. University of Tokyo, 5. Tottori University of Environmental Studies, 6. Tokyo University of Marine Science and Technology, 7. Toho University)

Keywords:Be isotope, Circumpolar Deep Water, Antarctic Winter Water, Offshore of Totten Glacier, Surface marine sediment, East Antarctica