Japan Geoscience Union Meeting 2025

Takashi Obase

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Convener, Chairperson

Thu. May 29, 2025 1:45 PM - 3:15 PM Convention Hall (CH-A) (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | M (Multidisciplinary and Interdisciplinary)
  • | M-IS Intersection

[M-IS14] Paleoclimatology and paleoceanography

convener:Takashi Obase(Japan Agency for Marine-Earth Science and Technology), Atsuko Yamazaki(Graduate School of Environmental Studies, Nagoya University), Hitoshi Hasegawa(Faculty of Science and Technology, Kochi University), Yusuke Okazaki(Department of Earth and Planetary Sciences, Graduate School of Science, Kyushu University), Chairperson:Yusuke Okazaki(Department of Earth and Planetary Sciences, Graduate School of Science, Kyushu University)

Thu. May 29, 2025 3:30 PM - 5:00 PM Convention Hall (CH-A) (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | M (Multidisciplinary and Interdisciplinary)
  • | M-IS Intersection

[M-IS14] Paleoclimatology and paleoceanography

convener:Takashi Obase(Japan Agency for Marine-Earth Science and Technology), Atsuko Yamazaki(Graduate School of Environmental Studies, Nagoya University), Hitoshi Hasegawa(Faculty of Science and Technology, Kochi University), Yusuke Okazaki(Department of Earth and Planetary Sciences, Graduate School of Science, Kyushu University), Chairperson:Atsuko Yamazaki(Graduate School of Environmental Studies, Nagoya University)

Thu. May 29, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

  • [J] Poster
  • | M (Multidisciplinary and Interdisciplinary)
  • | M-IS Intersection

[M-IS14] Paleoclimatology and paleoceanography

convener:Takashi Obase(Japan Agency for Marine-Earth Science and Technology), Atsuko Yamazaki(Graduate School of Environmental Studies, Nagoya University), Hitoshi Hasegawa(Faculty of Science and Technology, Kochi University), Yusuke Okazaki(Department of Earth and Planetary Sciences, Graduate School of Science, Kyushu University)

Fri. May 30, 2025 9:00 AM - 10:30 AM Convention Hall (CH-A) (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | M (Multidisciplinary and Interdisciplinary)
  • | M-IS Intersection

[M-IS14] Paleoclimatology and paleoceanography

convener:Takashi Obase(Japan Agency for Marine-Earth Science and Technology), Atsuko Yamazaki(Graduate School of Environmental Studies, Nagoya University), Hitoshi Hasegawa(Faculty of Science and Technology, Kochi University), Yusuke Okazaki(Department of Earth and Planetary Sciences, Graduate School of Science, Kyushu University), Chairperson:Hitoshi Hasegawa(Faculty of Science and Technology, Kochi University)

Fri. May 30, 2025 10:45 AM - 12:15 PM Convention Hall (CH-A) (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | M (Multidisciplinary and Interdisciplinary)
  • | M-IS Intersection

[M-IS14] Paleoclimatology and paleoceanography

convener:Takashi Obase(Japan Agency for Marine-Earth Science and Technology), Atsuko Yamazaki(Graduate School of Environmental Studies, Nagoya University), Hitoshi Hasegawa(Faculty of Science and Technology, Kochi University), Yusuke Okazaki(Department of Earth and Planetary Sciences, Graduate School of Science, Kyushu University), Chairperson:Yusuke Okazaki(Department of Earth and Planetary Sciences, Graduate School of Science, Kyushu University)

Fri. May 30, 2025 1:45 PM - 3:15 PM Convention Hall (CH-A) (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | M (Multidisciplinary and Interdisciplinary)
  • | M-IS Intersection

[M-IS14] Paleoclimatology and paleoceanography

convener:Takashi Obase(Japan Agency for Marine-Earth Science and Technology), Atsuko Yamazaki(Graduate School of Environmental Studies, Nagoya University), Hitoshi Hasegawa(Faculty of Science and Technology, Kochi University), Yusuke Okazaki(Department of Earth and Planetary Sciences, Graduate School of Science, Kyushu University), Chairperson:Hitoshi Hasegawa(Faculty of Science and Technology, Kochi University)

Fri. May 30, 2025 3:30 PM - 5:00 PM Convention Hall (CH-A) (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | M (Multidisciplinary and Interdisciplinary)
  • | M-IS Intersection

[M-IS14] Paleoclimatology and paleoceanography

convener:Takashi Obase(Japan Agency for Marine-Earth Science and Technology), Atsuko Yamazaki(Graduate School of Environmental Studies, Nagoya University), Hitoshi Hasegawa(Faculty of Science and Technology, Kochi University), Yusuke Okazaki(Department of Earth and Planetary Sciences, Graduate School of Science, Kyushu University), Chairperson:Takashi Obase(Japan Agency for Marine-Earth Science and Technology)

Speaker, Author, Co-Author

Fri. May 30, 2025 3:30 PM - 5:00 PM 304 (International Conference Hall, Makuhari Messe)

  • [E] Oral
  • | P (Space and Planetary Sciences )
  • | P-AE Astronomy & Extrasolar Bodies

[P-AE18] Exoplanets

4:15 PM - 4:30 PM

[PAE18-22] Simulating the effects of salinity on ocean planet climates with 3D AOGCM

*Keigo Taniguchi1,2,3, Takanori Kodama1, Taro Higuchi4, Takashi Obase5, Hidenori Genda1 (1.Earth-Life Science Institute, Institute of Science Tokyo, 2.Department of Earth & Planetary Sciences, Institute of Science Tokyo, 3.Laboratoire de Météorologie Dynamique/IPSL, CNRS, Sorbonne Université, Ecole Normale Supérieure, PSL Research University, Ecole Polytechnique, 4.Atmospheric and Ocean Research Institute, the University of Tokyo, 5.Japan Agency for Marine-Earth Science and Technology)

Thu. May 29, 2025 10:45 AM - 12:15 PM 103 (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | A (Atmospheric and Hydrospheric Sciences )
  • | A-OS Ocean Sciences & Ocean Environment

[A-OS19] Sea level rise under global warming and its impact on coastal areas

Thu. May 29, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

  • [J] Poster
  • | A (Atmospheric and Hydrospheric Sciences )
  • | A-OS Ocean Sciences & Ocean Environment

[A-OS19] Sea level rise under global warming and its impact on coastal areas

Wed. May 28, 2025 10:45 AM - 12:15 PM Exhibition Hall Special Setting (4) (Exhibition Hall 7&8, Makuhari Messe)

  • [J] Oral
  • | A (Atmospheric and Hydrospheric Sciences )
  • | A-CC Cryospheric Sciences & Cold District Environment

[A-CC33] Ice cores and paleoenvironmental modeling

Thu. May 29, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

  • [J] Poster
  • | M (Multidisciplinary and Interdisciplinary)
  • | M-IS Intersection

[M-IS14] Paleoclimatology and paleoceanography

5:15 PM - 7:15 PM

[MIS14-P33] A climate modeling study on snowball climate and ocean circulation

*Takashi Obase1, Takanori Kodama2, Takao Kawasaki3, Sam Sherriff-Tadano4, Daisuke Takasuka5, Ayako Abe-Ouchi3, Masakazu Fujii6 (1.Japan Agency for Marine-Earth Science and Technology, 2.Earth-Life Science Institute (ELSI), Institute of Science Tokyo, 3.Atmosphere and Ocean Research Institute, The University of Tokyo, 4.The University of Ryukyus, Nishihara, Japan, 5.Department of Geophysics, Tohoku University, 6.National Institute for Polar Research)

Fri. May 30, 2025 9:00 AM - 10:30 AM Convention Hall (CH-A) (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | M (Multidisciplinary and Interdisciplinary)
  • | M-IS Intersection

[M-IS14] Paleoclimatology and paleoceanography

9:00 AM - 9:15 AM

[MIS14-11] Understanding Large-Scale Retreat Mechanisms of the East Antarctic Ice Sheet through Seamless Sea-Land Geological Drilling

*Yusuke Suganuma1,2, Takuya Itaki3, Yuki Haneda4, Kazuya Kusahara5, Takashi Obase5, Takashige Ishiwa1,2, Takayuki Omori6, Minoru Ikehara7, Rob McKay10, Osamu Seki4, Daisuke Hirano1,2, Masakazu Fujii1,2, Yuji Kato7, Atsuko Amano3, Yuki Tokuda9, Hokuto Iwatani8, Yoshiaki Suzuki3, Motohiro Hirabayashi1, Hiroyuki Matsuzaki6, Takeyasu Yamagata6, Masao Iwai7, Kota Katsuki11, Francisco J. Jimenez-Espejo12, Hiroki Matsui13, Koji Seike3, Moto Kawamata14, Naohisa Nishida15, Masato Ito1, Shin Sugiyama4, Jun'ichi Okuno1,2, Takanobu Sawagaki16, Ayako Abe-Ouchi6, Shigeru Aoki4, Hideki Miura17 (1.National institute of Polar Research, 2.The Graduate University for Advanced Studies (SOKENDAI), 3.Geological Survey of Japan, AIST, 4.Institute of Low Temperature Science, Hokkaido University, 5.JAMSTEC, 6.The University of Tokyo, 7.Marine Core Research Institute, Kochi University, 8.Yamaguchi University, 9.Tottori University of Environmental Studies, 10.Antarctic Research Centre, Victoria University of Wellington, 11.Shimane University, 12.Consejo Superior de Investigaciones Científicas-Universidad de Granada, 13.Akita University, 14.Civil Engineering Research Institute for Cold Region, 15.Tokyo Gakugei University, 16.Hosei University, 17.Aomori Public University)

Fri. May 30, 2025 10:45 AM - 12:15 PM Convention Hall (CH-A) (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | M (Multidisciplinary and Interdisciplinary)
  • | M-IS Intersection

[M-IS14] Paleoclimatology and paleoceanography

Tue. May 27, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

  • [J] Poster
  • | M (Multidisciplinary and Interdisciplinary)
  • | M-IS Intersection

[M-IS15] Global Antarctic Science: connecting the chain of changing huge ice sheets and global environments