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

Poster

[R2-P]R2-P:Ocean and sea ice

Wed. Oct 29, 2025 4:45 PM - 6:15 PM JST
Wed. Oct 29, 2025 7:45 AM - 9:15 AM UTC
R2 Poster (Room A/B)

[R2-P-01]2000 years mercury records preserved in Arctic Ocean sediment cores: perspective from the Natural Variability and Anthropogenic Influence

*Koyomi Nakazawa1, osamu Nagafuchi2, Ken'ichi Shinozuka3, Tesuo Sueyoshi4, Masanobu Yamamoto5 (1. Toyama Prefectural University (Japan), 2. Fukuoka Institute of Technology (Japan), 3. Gifu university (Japan), 4. National Institute of Polar Science (Japan), 5. Hokkaido University (Japan))

[R2-P-02]Isotopic composition of seawater nitrate in the Chukchi Sea and its implication for denitrification and the N cycle

*Aymeric Pierre Marie Servettaz1, Akiko Makabe1, Chisato Yoshikawa1, Motoyo Itoh1 (1. Japan Agency for Marine-Earth Science and Technology (Japan))

[R2-P-03]Interannual Variability of Ocean Acidification in the Southern Canada Basin: Focus on Mackenzie River and Pacific Water Contributions

*Siyi Yin1, Michiyo Yamamoto Kawai1 (1. Tokyo University of Marine Science and Technology (Japan))

[R2-P-04]Arctic marine environments regulated by ocean transport and air-sea-land interaction: Findings from the ArCS II Ocean Research Program and future perspectives

*Eiji Watanabe1, Hiromichi Ueno2 (1. Japan Agency for Marine–Earth Science and Technology (Japan), 2. Hokkaido University (Japan))

[R2-P-05]Turbulent mixing and submesoscale dynamics in the Kara and Barents Seas

*Igor E. Kozlov1, Ilya O. Kopyshov1,2, Vladimir A. Korzhuev1, Alexey V. Zimin3 (1. Marine Hydrophysical Institute of RAS (Russia), 2. Moscow Institute of Physics and Technology (Russia), 3. Shirshov Institute of Oceanology, Russian Academy of Sciences (Russia))

[R2-P-06]Subsurface warming associated with Pacific Summer Water transport toward the Chukchi Borderland in the Arctic Ocean

Miaki Muramatsu1,2, Eiji Watanabe1, Motoyo Itoh1, Jonaotaro Onodera1, Kohei Mizobata3, *Hiromichi Ueno2 (1. Japan Agency for Marine Earth Science and Technology (Japan), 2. Hokkaido University (Japan), 3. Tokyo University of Marine Science and Technology (Japan))

[R2-P-07]Changes in the central Arctic during the past 2 decades with focus on the Amundsen and Makarov basins

*Benjamin Rabe1, Jacob Allerholt1, Ke-Hsien Fu2, Céline Heuzé3, Ying-Chih Fang4, Mario Hoppmann1, Oliver Huhn5, Tao Li6, Yusuke Kawaguchi7, Boris Koch1, Ivan Kuznetsov1, Alejandra Quintanilla Zurita1, Simran Suresh1, Sandra Tippenhauer1, Sinhue Torres Valdes1, Myriel Vredenborg1, Hau-Man Wong3, Jialiang Zhu6 (1. Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung, Bremerhaven (Germany), 2. National Academy of Marine Research, Kaohsiung (Taiwan), 3. University of Gothenburg, Gothenburg (Sweden), 4. National Sun Yat-sen University, Kaohsiung (Taiwan), 5. University of Bremen, Bremen (Germany), 6. Ocean University of China, Quingdao (China), 7. University of Tokyo, Tokyo (Japan))

[R2-P-08]Generation of Nonlinear Internal Waves in the Kara Gates Strait, Arctic Ocean

*Ilya Olegovich Kopyshov1,2, Igor Evgenievich Kozlov1 (1. Marine Hydrophysical Institute of RAS (Russia), 2. Moscow Institute of Physics and Technology (Russia))

[R2-P-09]Underestimated Atlantic Heat Transport and Its Influence on Sea Ice in CESM2

*Jung Hyun Park1,2, Joo-Hong Kim2, Seong-Joong Kim3,4, Baek-Min Kim1 (1. Division of Earth Environmental System Sciences Major of Environmental Atmospheric Sciences, Pukyong National University (Korea), 2. Division of Ocean and Atmosphere Sciences, Korea Polar Research Institute (Korea), 3. Office of Vice President, Korea Polar Research Institute (Korea), 4. KOPRI School, University of Science and Technology (Korea))

[R2-P-10]Modeling of spectral and broadband albedo of ice

*Tomonori Tanikawa1, Kazuhiko Masuda1, Hiroshi Ishimoto1, Teruo Aoki1, Knut Stamnes2 (1. Meteorological Research Institute, Japan Meteorological Agency (Japan), 2. Stevens Institute of Technology (United States of America))

[R2-P-11]Repeated airborne and in-situ observations of melt pond characteristics during the RV Polarstern 2025 CONTRASTS expedition

*Torben Blei1, Gerit Birnbaum1, Niels Fuchs2, Christian Haas1, Thomas Krumpen1, Niklas Neckel1 (1. Alfred-Wegener-Institute, Helmholtz Center for Polar and Marine Research (Germany), 2. University of Hamburg, Institute of Oceanography (Germany))

[R2-P-12]A Study on Sea Ice Thickness Estimation Using UAV-LiDAR

*Hayate Kato1, Kazutaka Tateyama2, Hidekazu Shirai2, Yuki Shimura1 (1. Kitami Institute of Technology (Japan), 2. School of Earth, Energy and Environmental Engineering, Kitami Institute of Technology (Japan))

[R2-P-13]A temporal Bayesian model averaging method for sea ice drift data fusion

*Zhizhuo Xu1 (1. Sun Yat-sen University (China))

[R2-P-14]Rheology independent stability analysis of viscous-plastic sea-ice model

*Satoshi Kimura1, Jinro Ukita2 (1. JAMSTEC (Japan), 2. Niigata University (Japan))

[R2-P-15]The biogeochemical characteristics of sediment-laden ice along the coast of Alaska:
Potential impact of sediment loads on nutrients

*Ryota Akino1, Daiki Nomura1, Masaki Yoshimura1, Keigo D Takahashi1, Amane Fujiwara2, Mariko Hatta2, Hisatomo Waga3,4, Laura Whitmore3 (1. Hokkaido University (Japan), 2. Research Institute for Global Change, Japan Agency for Marine-Earth Science and Technology (Japan), 3. International Arctic Research Center, University of Alaska, Fairbanks (United States of America), 4. National Institute of Polar Research (Japan))

[R2-P-16]Exploring hyperspectral imaging techniques to elucidate cryogenic mineral formation and function in Arctic sea ice

*Emiliano Cimoli1,2, Daiki Nomura1, Keigo Takahashi1, Jutta Wollenburg3, Ilka Peeken3, Marcel Nicolaus3, Vanessa Lucieer2, Morten Iversen4,3 (1. Hokkaido University (Japan), 2. University of Tasmania (Australia), 3. Alfred Wagner Institute (Germany), 4. MARUM (Germany))
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