*Takuya Sagawa¹, Yusuke Narita², Takuya Matsuzaki³, Masafumi MURAYAMA⁴, Takashi Hasegawa¹, Akiko Goto¹, Takeshi Nakagawa⁵ (1.Institute of Science and Engineering, Kanazawa University, 2.Graduate School of Natural Science and Technology, Kanazawa University, 3.Center for Advanced Marine Core Research, Kochi University, 4.Faculty of Agriculture and Marine Science, Kochi Univeristy, 5.Ritsumeikan University)

*Masaya Inagaki¹, Hideto Nakamura², Masanobu Yamamoto¹, Takeshi Nakagawa³ (1.Graduate School of Environmental Science, Hokkaido University, 2.Faculty of Science, Osaka City University, 3.Research Center for Palaeoclimatorogy, Ritsumeikan University)

*Song Lu¹, Yoshie Nakai¹, Youhei Yamashita², Tomohisa Irino², Yuzo Miyazaki³, Ryuji Tada⁴, Takeshi Nakagawa⁵ (1.Graduate School of Environmental Science, Hokkaido University , 2.Faculty of Environmental Earth Science, Hokkaido University, 3.Institute of Low Temperature Science, Hokkaido University , 4.Department of Earth and Planetary Science , Graduate School of Science, The University, of Tokyo , 5.Research Center for Palaeoclimatology, Ritsumeikan University)

*Keitaro Yamada¹, Takayuki Omori², Ikuko Kitaba³, Yamasaki Akiteru⁴, Takeshi Nakagawa³ (1.Research Organization of Science and Technology, Ritsumeikan University, 2.The University Museum, The University of Tokyo, 3.Research Centre for Palaeoclimatology, Ritsumeikan University, 4.Fukui Prefectural Satoyama-Satoumi Reserch Institute)

*Yamasaki Akiteru¹, Keitaro Yamada², Takayuki Omori³, Ikuko Kitaba², Takeshi Nakagawa² (1.Fukui Prefectural Satoyama-Satoumi Reserch Institute, 2.Research Centre for Palaeoclimatology, Ritsumeikan University, 3.The University museum, The University of Tokyo)

*Yusuke Narita¹, Takuya Sagawa¹, Masafumi Murayama³, Takuya Matsuzaki⁷, Yoshitaka Nagahashi⁴, Takashi Hasegawa², Akiko S. Goto², Takeshi Nakagawa⁵, Yoshimi Kubota⁶ (1.Kanazawa University, Graduate school of natural Science and Technology, 2.Kanazawa University, Institute of Science and Engineering, 3.Kochi University, Faculty of Agriculture and Marine Science, 4.Fukushima University, 5.Ritsumeikan University, 6.National Museum of Nature and Science, 7.Center for Advanced Marine Core Research, Kochi University)