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

Poster

[R3-P]R3-P:Rivers, lakes, permafrost, and snow cover

Thu. Oct 30, 2025 3:30 PM - 5:00 PM JST
Thu. Oct 30, 2025 6:30 AM - 8:00 AM UTC
R3 Poster (Room A/B)

[R3-P-01]Record-High Concentrations of Weathering-Derived Ions (Ca2+, Mg2+, and SO42-) in the Kolyma River During the 2020 Heatwave in Northeastern Siberia

*Yuto Tashiro2,1, Tetsuya Hiyama2, Hironari Kanamori2,3, Hotaek Park4, Olga Makarieva5, Polina Nikitina5, Liudmila Lebedeva6, Kazuyoshi Suzuki4 (1. Akita Prefectural Univ. (Japan), 2. ISEE, Nagoya Univ. (Japan), 3. Kobe Gakuin Univ. (Japan), 4. JAMSTEC (Japan), 5. St. Peterburg State Univ. (Russia), 6. MPI SB RAS (Russia))

[R3-P-02]The geochemical composition of the massive ice beds and host sediments in the north of Western Siberia as an indicator of their origin

*Lev Kuziakin1, Radik Makshaev1, Nataliya Belova2, Petr Semenov3, Irina Streletskaya1 (1. Lomonosov MSU (Russia), 2. ECI TSC SB RAS (Russia), 3. VNIIOkeangeologia (Russia))

[R3-P-03]Sedimentary Records of Black Carbon and PAHs in Thermokarst Lake and Permafrost, Alaskan Arctic: Implications of Biomass Burning Events from Past Fire History

*Hidetoshi Kumata1, Masao Uchida2, Kanako Mantoku2, Go Iwahana3,4, Tetsuya Matsunaka5 (1. Tokyo University of Pharmacy and Life Sciences (Japan), 2. Earth System Division, National Institute for Environmental Studies (Japan), 3. International Arctic Research Center, University of Alaska Fairbanks (United States of America), 4. Arctic Research Center, Hokkaido University (Japan), 5. Kanazawa University (Japan))

[R3-P-04]Thermokarst development and related vegetation changes detected from time series satellite observations

*Hitoshi SAITO1, Yoshihiro Iijima2 (1. Graduate School of Environmental Studies, Nagoya University (Japan), 2. Department of Geography, Tokyo Metropolitan University (Japan))

[R3-P-05]Wetlands Underlain by Permafrost as Potential Hotspots of Soil Carbon Storage in Semiarid Mongolia

*Gansukh Yadamsuren1, Masayuki Kawahigashi1, Jambaljav Yamkhin2,3, Orgilbold Myangan4 (1. Tokyo Metropolitan University (Japan), 2. Research Institute of Cold and Arid Region (Mongolia), 3. Geocryo LLC (Mongolia), 4. Mongolian University of Life Sciences (Mongolia))

[R3-P-06]Taliks water saturation in permafrost revealed by numerical and field GPR studies

*Anastasiia Sukhanova1, Sergey Popov2,1, Marina Kashkevich1 (1. Institute of Earth Sciences, Saint Petersburg State University, St. Petersburg, Russia (Russia), 2. Gramberg All-Russian Scientific Research Institute for Geology and Mineral Resources of the World Ocean (VNIIOkeangeologia), St. Petersburg, Russia (Russia))

[R3-P-07]AI for Environmental Change in the Arctic: Detecting Thermokarst in Eastern Siberia with Deep Learning

*Kosuke Takaya1, Noriko Kurata2, Takeshi Ise3, Yoshihiro Iijima4 (1. Shimane Univ. (Japan), 2. Yamaguchi Prefectural Univ. (Japan), 3. Kyoto Univ. (Japan), 4. Tokyo Metropolitan Univ. (Japan))

[R3-P-08]Assessment of climatic and anthropogenic impacts on the thermal regime of permafrost in selected cities of the Russian Arctic

*Tatiana Sidorova1, Valeriy Grebenets1 (1. Moscow State University (Russia))

[R3-P-09]Trend analysis of monthly blowing snow frequency in the Northern Hemisphere using ICESat-2 data

*Konosuke Sugiura1 (1. University of Toyama (Japan))

[R3-P-10]Assessment of ERA5-Land Reanalysis for Snow Depth in a Mountain Permafrost Region (the North-East of Russia)

*Oksana Zhunusova1, Anastasia Zemlyanskova2, Olga Makarieva2, Andrey Shikhov3 (1. Saint Petersburg State University (Russia), 2. North-Eastern State University (Russia), 3. Perm State University (Russia))

[R3-P-11]Avalanche Hazard for Highways in Tajikistan (Case Study of the “Dushanbe–Khujand” Highway)

*Nikolay Shabalin1 (1. Moscow State University (Russia))

[R3-P-12]Climatological features of extreme precipitationin eastern Siberia during summer

*Takuki Miyoshi1 (1. Tokyo Metropolitan University (Japan))

[R3-P-13]Spring Water Hydrochemistry of Sandy Massifs in the Continuous Permafrost Zone of Transbaikalia

*Valentina Palamarchuk1,2, Lyudmila Lebedeva2, Nadezhda Pavlova2 (1. Sergeev Institute of Environmental Geoscience, RAS (Russia), 2. Melnikov Permafrost Institute, SB RAS (Russia))
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