Japan Geoscience Union Meeting 2025

Yukihiko Onuma

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Convener, Chairperson

Wed. May 28, 2025 1:45 PM - 3:15 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-CC32] Glaciology

convener:Yukihiko Onuma(Japan Aerospace Exploration Agency), Tomonori Tanikawa(Meteorological Research Institute, Japan Meteorological Agency), Tatsuya Watanabe(Kitami Institute of Technology), Shuntaro Hata(Geoscience Group, National Institute of Polar Research), Chairperson:Yukihiko Onuma(Japan Aerospace Exploration Agency)

Wed. May 28, 2025 3:30 PM - 5:00 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-CC32] Glaciology

convener:Yukihiko Onuma(Japan Aerospace Exploration Agency), Tomonori Tanikawa(Meteorological Research Institute, Japan Meteorological Agency), Tatsuya Watanabe(Kitami Institute of Technology), Shuntaro Hata(Geoscience Group, National Institute of Polar Research), Chairperson:Tatsuya Watanabe(Kitami Institute of Technology)

Wed. May 28, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

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

[A-CC32] Glaciology

convener:Yukihiko Onuma(Japan Aerospace Exploration Agency), Tomonori Tanikawa(Meteorological Research Institute, Japan Meteorological Agency), Tatsuya Watanabe(Kitami Institute of Technology), Shuntaro Hata(Geoscience Group, National Institute of Polar Research)

Speaker, Author, Co-Author

Wed. May 28, 2025 1:45 PM - 3:15 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-CC32] Glaciology

2:00 PM - 2:15 PM

[ACC32-02] Temporal changes of algal community in red snow on Gulkana Glacier, Alaska

*Suzunosuke Usuba 1, Takumi Murakami2, Yukihiko Onuma3, Kino Kobayashi1, Ryohei Abe1, Tetsuya Akabayashi1, Ryotaro Takema1, Nozomu Takeuchi4 (1.Graduate School of Science and Engineering, Chiba University, 2.School of Life Science and Technology, Institute of Science Tokyo, 3.Earth Observation Research Center, Japan Aerospace Exploration Agency, 4.Department of Earth Science, Graduate School of Science, Chiba University)

Wed. May 28, 2025 3:30 PM - 5:00 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-CC32] Glaciology

4:45 PM - 5:00 PM

[ACC32-12] Current Distribution and Future Projection of Mountain Permafrost in Japan: Estimation Based on Land Surface Physical Model and Observations

*Tokuta Yokohata1, Go Iwahana2, Kazuyuki Saito3, Tetsuo Sueyoshi4, Takashi Arakawa5, Tomoko Nitta6, Yukihiko Onuma7, Irina Melnikova1, Noriko N Ishizaki1, Haruto Okubo8, Yuka Sawa8, Kumiko TAKATA9 (1.National Institute for Environmental Studies, 2.University of Alaska Fairbanks, 3.Japan Agency for Marine and Earth Science and Technology, 4.National Institute for Polar Research, 5.CliMTech, 6.University of Tokyo, 7.Japan Aerospace Exploration Agency, 8.University of Tsukuba, 9.Azabu University)

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

11:00 AM - 11:15 AM

[ACC33-08] Reconstructing mineral dust source variations in a northeastern Greenland ice core over the past 100 years using scanning electron microscopy

*Naoko Nagatsuka1,2, Kumiko Goto-Azuma2,3, Kana Nagashima1, Koji Fujita4, Yuki Komuro5, Motohiro Hirabayashi2, Jun Ogata2, Kaori Fukuda2, Yoshimi Ogawa-Tsukagawa2, Kyotaro Kitamura2, Ayaka Yonekura7, Fumio Nakazawa2, Yukihiko Onuma6, Naoyuki Kurita4, Sune Olander Rasmussen8, Sinnl Giulia8, Trevor James Popp8, Dorthe Dahl-Jensen8 (1.Japan Agency for Marine-Earth Science and Technology, 2.National Institute of Polar Research, 3.SOKENDAI, 4.Nagoya University, 5.Laboratory for Environmental Research at Mount Fuji, 6.JAXA, 7.Marine Works Japan Ltd., 8.University of Copenhagen)