Japan Geoscience Union Meeting 2025

Yusuke Okazaki

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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

Tue. May 27, 2025 3:30 PM - 5:00 PM Convention Hall (CH-A) (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | S (Solid Earth Sciences )
  • | S-CG Complex & General

[S-CG55] Ocean Floor Geoscience

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

4:45 PM - 5:00 PM

[MIS14-10] Changes in the Southern Hemisphere Westerlies in response to Heinrich events

*Takuto Kasuya1,2, Kana Nagashima2, Hitoshi Hasegawa3, Yusuke Okazaki1, Yuta Kuniyoshi4, Ayako Abe-Ouchi4, Shinya Iwasaki5, Frank Lamy6, Helge W. Arz7, Julia R. Hagemann6, Carina B. Lange8, Masafumi MURAYAMA9, Naomi Harada4 (1.Department of Earth and Planetary Sciences, Graduate School of Science, Kyushu University, 2.Japan Agency for Marine-Earth Science and Technology, Research Institute for Global Change, 3.Faculty of Science and Technology, Kochi University, 4.The University of Tokyo, 5.Graduate School of Environmental Science, Hokkaido University, 6.Marine Geology Section, Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, 7.Department of Marine Geology, Leibniz Institute for Baltic Sea Research, 8.Departamento de Oceanografía and Centro de Investigación Oceanográfica en el Pacífico Suroriental (Coastal), Universidad de Concepción, 9.Faculty of Agriculture and Marine Science, Kochi 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

5:15 PM - 7:15 PM

[MIS14-P22] The East China Sea subsurface water temperature indicating steady Kuroshio path since the last glacial period

Reo Murakawa1, *Yusuke Okazaki1, Takuya Sagawa2, Yoshimi Kubota3, Mahsa Saeidi Ortakand3, Yusuke Yokoyama4, Yosuke Miyairi4 (1.Department of Earth and Planetary Sciences, Graduate School of Science, Kyushu University, 2.Institute of Science and Engineering, Kanazawa University, 3.National Museum of Science and Nature, 4.Atmosphere and Ocean Research Institute, University of Tokyo)

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

11:15 AM - 11:30 AM

[MIS14-17] Development and application of a water temperature reconstruction method to detect multiyear-scale oceanographic changes: Analysis of the frequency of the Kuroshio Meander

*Yui Fujimi1, Keiji Horikawa1, Minoru Ikehara2, Yusuke Okazaki3, Yoshimi Kubota4, Hidetaka Kobayashi1, Yosuke Miyairi5, Yusuke Yokoyama5 (1.University of Toyama, 2.Marine Core Research Institute, Kochi University, 3.University of Kyushu, 4.National Museum of Nature and Science, 5.Atmosphere and Ocean Research Institute, University of Tokyo)