The Eighth International Symposium on Arctic Research (ISAR-8)
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Session Details

Poster

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

Wed. Oct 29, 2025 4:45 PM - 6:15 PM JST
Wed. Oct 29, 2025 7:45 AM - 9:15 AM UTC
R4 Poster (Room A/B)

[R4-P-01]Numerical modeling of bio-albedo effects on snow and glacier ice surfaces in the Arctic region

*Yukihiko Onuma1, Nozomu Takeuchi2 (1. Japan Aerospace Exploration Agency (Japan), 2. Chiba University (Japan))

[R4-P-02]The dark ice expansions on Gulkana Glacier in Alaska revealed by UAV imagery

*Takuma Kogo1, Masato Ono2, Nozomu Takeuchi1 (1. Chiba university (Japan), 2. Kyoto University (Japan))

[R4-P-03]Variations in dark-stripe patterns on the ablating ice surface of the Greenland Ice Sheet

*Nozomu Takeuchi1, Akane Uruma1 (1. Chiba University (Japan))

[R4-P-04]Single-cell imaging reveals efficient nutrient uptake and growth of microalgae darkening the Greenland Ice Sheet

*Laura Halbach1,2, Katharina Kitzinger2,3, Martin Hansen1,4, Sten Littman2, Liane G Benning5,6, James A Bradley7,8, Martin J Whitehouse9, Malin Olofsson10, Rey Mourot5,6, Martyn Tranter1, Marcel M. M. Kuypers2, Lea Ellegaard-Jensen1, Alexandre M Anesio1 (1. Aarhus University, Department of Environmental Science, iClimate, Roskilde (Denmark), 2. Max-Planck-Institute for Marine Microbiology (Germany), 3. Centre for Microbiology and Environmental Systems Science, Department of Microbiology and Ecosystem Science, University of Vienna, Vienna (Austria), 4. Technical University of Denmark, Department of Environmental and Resource Engineering, Copenhagen (Denmark), 5. GFZ German Research Centre for Geosciences, Potsdam (Germany), 6. Department of Earth Sciences, Freie Universität Berlin, Berlin, Germany (Germany), 7. Aix Marseille University, Université de Toulon, CNRS, IRD, MIO, Marseille (France), 8. School of Biological and Behavioural Sciences, Queen Mary University of London, London (UK), 9. Swedish Museum of Natural History, Stockholm (Sweden), 10. Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences (Sweden))

[R4-P-05]Decadal surface energy and mass balance variations observed around the equilibrium line altitude in Qaanaaq Ice Cap, northwest Greenland, during 2012–2022

*Motoshi Nishimura1, Teruo Aoki2, Masashi Niwano2, Motomu Oyama3, Sumito Matoba4, Tomonori Tanikawa2, Satoru Yamaguchi5, Rigen Shimada6, Takumi Suzuki6 (1. Institute for Mountain Science, Shinshu University (Japan), 2. Meteorological Research Institute, Japan Meteorological Agency (Japan), 3. Graduate School of Engineering, Kogakuin University (Japan), 4. Institute of Low Temperature Science, Hokkaido University (Japan), 5. Snow and Ice Research Center, National Research Institute for Earth Science and Disaster Resilience (Japan), 6. Japan Aerospace Exploration Agency, Earth Observation Research Center (Japan))

[R4-P-06]Glacioclimatic studies on Alexandra Land, Franz Josef Land Archipelago

*Arseniy Degtyarev1,2, Alexander Dobriansky1, Mstislav Vorobyev1 (1. Institute of Geography, RAS (Russia), 2. Moscow state university (Russia))

[R4-P-07]Global glacial inception threshold reveals concealed glaciation on Japanese volcanoes

*Julien Seguinot1, Marijke Van Cappellen1, Etienne Legrain2,1, Rodrigo Aguayo1, Lander Van Tricht1,3,4, Andreas Born5, Harry Zekollari1,3 (1. Department of Water and Climate, Vrije Universiteit Brussel, Brussels, Belgium (Belgium), 2. Laboratoire de Glaciologie, Université libre de Bruxelles, Brussels, Belgium (Belgium), 3. Laboratory of Hydraulics, Hydrology and Glaciology (VAW), ETH Zürich, Zurich, Switzerland (Switzerland), 4. Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), bâtiment ALPOLE, Sion, Switzerland (Switzerland), 5. Bjerknes Centre for Climate Research and Department of Earth Science, University of Bergen, Norway (Norway))

[R4-P-08]Wahlenbergbreen, Kronebreen and Monacobreen glaciers surface velocities from remote sensing data for 2017-2023

*Denis Trunin1, Andrey Glazovsky2 (1. Moscow State University (Russia), 2. Institute of Geography, Russian Academy of Sciences (Russia))

[R4-P-09]Four decades of pan-Arctic calving fluxes from multimodal satellite imagery

*Jonathan L Bamber1, Tian Li1 (1. University of Bristol (UK))

[R4-P-10]Analysis of GLOFs and seasonal glacial change on Mendenhall Glacier with Sentinel-1 InSAR method

*Sou Ikarashi1 (1. Nara University (Japan))

[R4-P-11]Monitoring seismicity near Tracy and Heilprin glaciers (Inglefield Bredning, Greenland)

*Masahiro Minowa1, Evgeny A. Podolskiy2, Shin Sugiyama1,2 (1. Institute of Low Temperature Science, Hokkaido University (Japan), 2. Arctic Research Center, Hokkaido University (Japan))

[R4-P-12]Reconstructions of local and remote source dust variations at EGRIP, northeastern Greenland

*Yuki Komuro1,2, Fumio Nakazawa1,3, Kumiko Goto-Azuma1,3, Naoko Nagatsuka4, Motohiro Hirabayashi1, Jun Ogata1, Kaori Fukuda1, Naoyuki Kurita5, Koji Fujita5, Ayaka Yonekura6, Kyotaro Kitamura1, Giulia Sinnl7, Sune Olander Rasmussen7, Trevor James Popp7, Dorthe Dahl-Jensen7 (1. National Institute of Polar Research (Japan), 2. Laboratory for Environmental Research at Mount Fuji (Japan), 3. The Graduate University for Advanced Studies, SOKENDAI (Japan), 4. Japan Agency for Marine-Earth Science and Technology (Japan), 5. Nagoya University (Japan), 6. Marine Works Japan (Japan), 7. University of Copenhagen (Denmark))

[R4-P-13]Temporal and spatial changes in mineral dust composition deposited on an alpine snowpack

*Pia Ataka1, Ryo Sugiyama1, Nozomu Takeuchi1 (1. Chiba University (Japan))

[R4-P-14]Characteristic of snowpack chemistry on the coastal region in the northwestern Greenland Ice Sheet facing the North Water

*Yutaka Kurosaki1, Sumito Matoba2, Mai Matsumoto3,2, Tetsuhide Yamasaki4, Ilannguaq Hendriksen5, Yoshinori Iizuka2 (1. Graduate School of Environmental Study, Nagoya University (Japan), 2. Institute of Low Temperature Science, Hokkaido University (Japan), 3. Graduate School of Environmental Science, Hokkaido University (Japan), 4. Avangnaq (Japan), 5. Siorapaluk, Avannaata Kommune (Greenland))

[R4-P-15]Changes in the glaciers and snow patches of the Mutnovsky and Gorely volcanoes (southern Kamchatka) for 1973-2023

*Yulia Stelmakh1, Dmitry Petrakov1 (1. Moscow State University (Russia))
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