*Hongyang Xu^1,2, Hiroko Miyahara², Kazuho Horiuchi³, Hiroyuki Matsuzaki⁴, Hailong Sun⁵, Weijun Luo⁵, Xiangmin Zheng¹, Yusuke Suganuma^6,7, Shijie Wang⁵, Limin Zhou¹ (1.East China Normal University, 2.Musashino Art University, 3.Hirosaki University, 4.University of Tokyo, 5.Chinese Academy of Sciences, 6.National Institute of Polar Research, 7.The Graduate University for Advanced Studies (SOKENDAI))

*Hongyang Xu^1,2, Hiroko Miyahara², Kazuho Horiuchi³, Hiroyuki Matsuzaki⁴, Hailong Sun⁵, Weijun Luo⁵, Xiangmin Zheng¹, Yusuke Suganuma^6,7, Shijie Wang⁵, Limin Zhou¹ (1.East China Normal University, 2.Musashino Art University, 3.Hirosaki University, 4.University of Tokyo, 5.Chinese Academy of Sciences, 6.National Institute of Polar Research, 7.The Graduate University for Advanced Studies (SOKENDAI))

*Hongyang Xu^1,2, Hiroko Miyahara², Kazuho Horiuchi³, Hiroyuki Matsuzaki⁴, Hailong Sun⁵, Weijun Luo⁵, Xiangmin Zheng¹, Yusuke Suganuma^6,7, Shijie Wang⁵, Limin Zhou¹ (1.East China Normal University, 2.Musashino Art University, 3.Hirosaki University, 4.University of Tokyo, 5.Chinese Academy of Sciences, 6.National Institute of Polar Research, 7.The Graduate University for Advanced Studies (SOKENDAI))

*Hongyang Xu^1,2, Hiroko Miyahara², Kazuho Horiuchi³, Hiroyuki Matsuzaki⁴, Hailong Sun⁵, Weijun Luo⁵, Xiangmin Zheng¹, Yusuke Suganuma^6,7, Shijie Wang⁵, Limin Zhou¹ (1.East China Normal University, 2.Musashino Art University, 3.Hirosaki University, 4.University of Tokyo, 5.Chinese Academy of Sciences, 6.National Institute of Polar Research, 7.The Graduate University for Advanced Studies (SOKENDAI))

*Yusuke Yokoyama^1,2,3, Masako Yamane⁷, Atsunori Nakamura⁴, Yosuke Miyairi¹, Kazuho Horiuchi⁵, Takahiro AZE¹, Hiroyuki Matsuzaki⁶, Yoshiki Shirahama⁴, Yuka Ando¹ (1.Atmosphere and Ocean Research Institute, University of Tokyo, 2.Department of Earth and Planetary Science, University of Tokyo, 3.Department of Biogeochemistry, Japan Agency for Marine-Earth Science and Technology, 4.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 5.Graduate School of Science and Technology, Hirosaki University, 6.Micro Analysis Laboratory, Tandem Accelerator, University of Tokyo, 7.Division for Chronological Research, Institute for Space–Earth, Environmental Research, Nagoya University)

*Yusuke Yokoyama^1,2,3, Masako Yamane⁷, Atsunori Nakamura⁴, Yosuke Miyairi¹, Kazuho Horiuchi⁵, Takahiro AZE¹, Hiroyuki Matsuzaki⁶, Yoshiki Shirahama⁴, Yuka Ando¹ (1.Atmosphere and Ocean Research Institute, University of Tokyo, 2.Department of Earth and Planetary Science, University of Tokyo, 3.Department of Biogeochemistry, Japan Agency for Marine-Earth Science and Technology, 4.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 5.Graduate School of Science and Technology, Hirosaki University, 6.Micro Analysis Laboratory, Tandem Accelerator, University of Tokyo, 7.Division for Chronological Research, Institute for Space–Earth, Environmental Research, Nagoya University)