Session Details

[R4-O]R4:Ice sheets, glaciers, and ice cores

Wed. Oct 29, 2025 3:00 PM - 4:30 PM JST
Wed. Oct 29, 2025 6:00 AM - 7:30 AM UTC
Room 2
Chair: Yukihiko Onuma (JAXA)

[R4-O-01]Microorganisms at the interface between the atmosphere and the cryosphere

*James Andrew Bradley1,2, Rey Mourot1, Amy Solman3,4, Laura Molares Moncayo1,3,4, Catherine Larose5, Elizabeth Trembath-Reichert6, Rachael Lappan7,8,9, Chris Greening7,9, Jacqueline Goordial10 (1. Aix Marseille Université, Université de Toulon, CNRS, IRD, MIO, Marseille (France), 2. School of Biological and Behavioural Sciences, Queen Mary University of London, London (UK), 3. School of Geography, Queen Mary University of London, London (UK), 4. Natural History Museum, London SW7 5BD (UK), 5. Université Grenoble Alpes, CNRS, Grenoble (France), 6. School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85287 (United States of America), 7. Department of Microbiology, Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3800 (Australia), 8. School of Earth, Atmosphere & Environment, Monash University, Clayton, Victoria 3800 (Australia), 9. Securing Antarctica’s Environmental Future, Monash University, Clayton, Victoria 3800 (Australia), 10. School of Environmental Sciences, University of Guelph, Guelph, Ontario N1G2W1 (Canada))

[R4-O-02]Temporal change of algal community in red snow on Gulkana Glacier, Alaska

*Suzunosuke Usuba1, Takumi Murakami2, Yukihiko Onuma3, Kino Kobayashi1, Ryohei Abe1, Tetsuya Akabayashi1, Ryotaro Takema1, Nozomu Takeuchi1 (1. Chiba University (Japan), 2. Institute of Science Tokyo (Japan), 3. Japan Aerospace Exploration Agency (Japan))

[R4-O-03]A 100-Year Record of Mineralogical Variations in Northeastern Greenland Ice-core Dust: Insights from Individual Particle Analysis

*Naoko Nagatsuka1, Kumiko Goto-Azuma2, Kana Nagashima1, Koji Fujita3, Yuki Komuro4, Motohiro Hirabayashi2, Jun Ogata2, Kaori Fukuda2, Yoshimi Ogawa-Tsukagawa2, Kyotaro Kitamura2, Ayaka Yonekura5, Fumio Nakazawa2, Yukihiko Onuma6, Naoyuki Kurita3, Sune Olander Rasmussen7, Giulia Sinnl7, Trevor James Popp7, Dorth Dahl-Jensen7 (1. JAMSTEC (Japan), 2. NIPR (Japan), 3. Nagoya University (Japan), 4. LERMF (Japan), 5. Marine Works Japan Ltd. (Japan), 6. JAXA (Japan), 7. University of Copenhagen (Denmark))

[R4-O-04]Return of the Bowdoin Glacier: measuring the dark side of the force

*Julien Seguinot1, Evgeny A. Podolskiy2, Shin Sugiyama2,3 (1. Department of Water and Climate, Vrije Universiteit Brussel, Brussels, Belgium (Belgium), 2. Arctic Research Center, Hokkaido University, Sapporo, Japan (Japan), 3. Institute of Low Temperature Science, Hokkaido University, Sapporo, Japan (Japan))

[R4-O-05]Filling and Drainage of Subglacial Lakes Beneath the Greenland Ice Sheet

*Qi Liang1,2, Zheng Lei1,2, Zhuoqi Chen1,2, Xiao Cheng1,2, Sha Peng3, Meng Yang1 (1. School of Geospatial Engineering and Science, Sun Yat-sen University (China), 2. Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai) (China), 3. Hubei University of Economics (China))

[R4-O-06]Marine-terminating glacier surge in Svalbard as part of upward thinning propagation triggered at front

*Whyjay Zheng1,2 (1. Center for Space and Remote Sensing Research, National Central University (Taiwan), 2. Taiwan Polar Institute, National Central University (Taiwan))