Research results
Cryosphere / Land
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The situation of Inuit communities in northwest Greenland (Kalaallit Nunaat) amid continuously changing environmental and social conditions
Ogawa, M., Kusaka, R., Sugiyama, S. and Mitani, Y. 2025, The situation of Inuit communities in northwest Greenland (Kalaallit Nunaat) amid continuously changing environmental and social conditions. Polar Science, 46, 101257, https://doi.org/10.1016/j.polar.2025.101257
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Antarctic ice-shelf collapse in Holocene driven by meltwater release feedbacks
Yusuke Suganuma, Takuya Itaki, Yuki Haneda, Kazuya Kusahara, Takashi Obase, Takeshige Ishiwa, Takayuki Omori, Minoru Ikehara, Robert McKay, Osamu Seki, Daisuke Hirano, Masakazu Fujii, Yuji Kato, Atsuko Amano, Yuki Tokuda, Hokuto Iwatani, Yoshiaki Suzuki, Motohiro Hirabayashi, Hiroyuki Matsuzaki, Takeyasu Yamagata, Masao Iwai, Kota Katsuki, Francisco J. Jimenez-Espejo, Hiroki Matsui, Koji Seike, Moto Kawamata, Naohisa Nishida, Masato Ito, Shin Sugiyama, Jun’ichi Okuno, Takanobu Sawagaki, Ayako Abe-Ouchi, Shigeru Aoki & Hideki Miura. 2025, Antarctic ice-shelf collapse in Holocene driven by meltwater release feedbacks. Nature Geoscience, 18, 1216–1223, https://doi.org/10.1038/s41561-025-01829-7
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Metabarcoding Focusing on Eukaryote Communities on Langhovde Glacier, East Antarctica
Kajita, H., Kondo, K., Sugiyama, S., Nakamura, Y., Kudoh, S. and Umeda, K. 2025. DNA Metabarcoding Focusing on Eukaryote Communities on Langhovde Glacier, East Antarctica. Environmental Microbiology Reports, 17, 4: e70117, https://doi.org/10.1111/1758-2229.70117
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Flood events caused by discharge from Qaanaaq Glacier, northwestern Greenland
Kondo, K., S. Sugiyama, D. Sakakibara, and S. Fukumoto. 2021. Flood events caused by discharge from Qaanaaq Glacier, northwestern Greenland. Journal of Glaciology, 67(263), 500-510, https://doi.org/10.1017/jog.2021.3
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Ice speed of a Greenlandic tidewater glacier modulated by tide, melt, and rain
Sugiyama, S., Tsutaki, S., Sakakibara, D., Asaji, I., Kondo, K., Wang, Y., Podolskiy, E., Jouvet, G. and Funk, M. 2025. Ice speed of a Greenlandic tidewater glacier modulated by tide, melt, and rain. The Cryosphere, 19, 525-540, https://doi.org/10.5194/tc-19-525-2025
Atmosphere / Ocean
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Repeated narwhal interactions with moorings challenge safety assumptions of passive acoustic monitoring in the Arctic
Podolskiy, E. A., M. Ogawa, M. Otsuki, K. Hasegawa and S. Sugiyama. 2025, Repeated narwhal interactions with moorings challenge safety assumptions of passive acoustic monitoring in the Arctic. Communications Biology, 8, 1557, https://doi.org/10.1038/s42003-025-09106-4
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Antarctic ice-shelf collapse in Holocene driven by meltwater release feedbacks
Yusuke Suganuma, Takuya Itaki, Yuki Haneda, Kazuya Kusahara, Takashi Obase, Takeshige Ishiwa, Takayuki Omori, Minoru Ikehara, Robert McKay, Osamu Seki, Daisuke Hirano, Masakazu Fujii, Yuji Kato, Atsuko Amano, Yuki Tokuda, Hokuto Iwatani, Yoshiaki Suzuki, Motohiro Hirabayashi, Hiroyuki Matsuzaki, Takeyasu Yamagata, Masao Iwai, Kota Katsuki, Francisco J. Jimenez-Espejo, Hiroki Matsui, Koji Seike, Moto Kawamata, Naohisa Nishida, Masato Ito, Shin Sugiyama, Jun’ichi Okuno, Takanobu Sawagaki, Ayako Abe-Ouchi, Shigeru Aoki & Hideki Miura. 2025, Antarctic ice-shelf collapse in Holocene driven by meltwater release feedbacks. Nature Geoscience, 18, 1216–1223, https://doi.org/10.1038/s41561-025-01829-7
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Synchronization of bowhead whales
Podolskiy, E.A., J. Teilmann, M.P. Heide-Jørgensen. 2024. Synchronization of bowhead whales, Physical Review Res., 6, 033174, 13 p., https://doi.org/10.1103/PhysRevResearch.6.033174
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Impacts of glacial discharge on the primary production in a Greenlandic fjord
Hoshiba, Y., Y. Matsumura, N. Kanna, Y. Ohashi and S. Sugiyama. 2024. Impacts of glacial discharge on the primary production in a Greenlandic fjord. Scientific Report, 14 ,15530. https://doi.org/10.1038/s41598-024-64529-z
Hoshiba, Y., Y. Matsumura, N. Kanna, Y. Ohashi and S. Sugiyama. 2024. Impacts of glacial discharge on the primary production in a Greenlandic fjord. Scientific Report, 14 ,15530. https://doi.org/10.1038/s41598-024-64529-z
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Insights into glacial processes from micromorphology of silt-sized sediment
Lepp, A. P., Miller, L. E., Anderson, J. B., O’Regan, M., Winsborrow, M. C. M., Smith, J.
A., Hillenbrand, C.-D., Wellner, J. S., Prothro, L. O., and Podolskiy, E.A. (2024) Insights
into glacial processes from micromorphology of silt-sized sediment, The Cryosphere, 18(5),
2297–2319, https://doi.org/10.5194/tc-2023-70.
Ecosystem
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Repeated narwhal interactions with moorings challenge safety assumptions of passive acoustic monitoring in the Arctic
Podolskiy, E. A., M. Ogawa, M. Otsuki, K. Hasegawa and S. Sugiyama. 2025, Repeated narwhal interactions with moorings challenge safety assumptions of passive acoustic monitoring in the Arctic. Communications Biology, 8, 1557, https://doi.org/10.1038/s42003-025-09106-4
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Climate-driven shifts in marine habitat explain recent declines of Japanese Chum salmon
Alabia, I.D.; Saitoh, S.-I.; García Molinos, J.; Hirata, T.; Miyakoshi, Y.; Takahashi, F.; Ueno, H.; Kaeriyama, M. 2025. Climate-driven shifts in marine habitat explain recent declines of Japanese Chum salmon. Scientific Reports 15, 41747. https://doi.org/10.1038/s41598-025-26397-z
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Aquaculture coupled with trade is sustaining growth and improving stability in global aquatic food supply
Zhao, K.; Gaines, S.D.; García Molinos, J.; Du, J.; Wang, H; Zhang, M.; Xu, J. 2025. Aquaculture coupled with trade is sustaining growth and improving stability in global aquatic food supply. Aquaculture, 613 (2), 743460. https://doi.org/10.1016/j.aquaculture.2025.743460
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Integrating expert range maps and opportunistic occurrence records of marine fish species in range estimates
Zhang, Z.; Bede-Fazekas, Á.; García Molinos, J.; Mammola, S.; Kass, J. M.; Qu, J.; Oeser, J.; Yuan, S.; Zhang, C.; Gu, J.; Ding, L.; Lin, Q. 2025. Integrating expert range maps and opportunistic occurrence records of marine fish species in range estimates. Conservation Biology, e70154. https://doi.org/10.1111/cobi.70154
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Towards an integrated assessment of the Arctic marine ecosystems in response to abrupt environmental changes: Contribution from the Arctic Challenge for Sustainability II (ArCS II) project
Hirata, T.; Alabia, I.D.; Fujiwara, A.; Fukai, Y.; García Molinos, J.; Kasai, A.; Kawakami, T.; Matsuno, K.; Onodera, J.; Shiozaki, T.; Ueno, H.; Watanabe, E. (2025). Towards an integrated assessment of the Arctic marine ecosystems in response to abrupt environmental changes: Contribution from the Arctic Challenge for Sustainability II (ArCS II) project, Polar Science, 101260, https://doi.org/10.1016/j.polar.2025.101260
Engineering
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Towards an integrated assessment of the Arctic marine ecosystems in response to abrupt environmental changes: Contribution from the Arctic Challenge for Sustainability II (ArCS II) project
Hirata, T.; Alabia, I.D.; Fujiwara, A.; Fukai, Y.; García Molinos, J.; Kasai, A.; Kawakami, T.; Matsuno, K.; Onodera, J.; Shiozaki, T.; Ueno, H.; Watanabe, E. (2025). Towards an integrated assessment of the Arctic marine ecosystems in response to abrupt environmental changes: Contribution from the Arctic Challenge for Sustainability II (ArCS II) project, Polar Science, 101260, https://doi.org/10.1016/j.polar.2025.101260
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海色衛星リモートセンシングの展望
平田貴文, 2025. 海色衛星リモートセンシングの展望. Journal of Advanced Marine Science and Technology Society, 29, pp.49-56.
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Artisanal longline fishing for Greenland halibut (Reinhardtius hippoglossoides) operated under sea ice using a metal plate kite in northwest Greenland
Tanaka, K., Tomiyasu, M., Kusaka, R., Sugiyama, S., Podolskiy, E. A. and Fujimori, Y. 2024. Artisanal longline fishing for Greenland halibut (Reinhardtius hippoglossoides) operated under sea ice using a metal plate kite in northwest Greenland. Fisheries Research, 28, 107203, https://doi.org/10.1016/j.fishres.2024.107203
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Potential of solar photovoltaics and waste heat utilization in cold climate data centers. Case study: Finland and northern Japan
Johannes Hyvönen, Taro Mori, Juha Saunavaara, Pauli Hiltunen, Matti Pärssinen, Sanna Syri. Renewable and Sustainable Energy Reviews, 201, Sep 2024. https://doi.org/10.1016/j.rser.2024.114619
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Performance of JAXA’s SGLI standard ocean color products for oceanic to coastal waters: chlorophyll a concentration and light absorption coefficients of colored dissolved organic matter
Matsuoka, A., Campbell, J.W., Hooker, S.B., Steinmetz, F., Ogata, K., Hirata, T., Higa, H., Kuwahara, V.S., Isada, T., Suzuki, K. and Hirawake, T., 2022. Performance of JAXA’s SGLI standard ocean color products for oceanic to coastal waters: chlorophyll a concentration and light absorption coefficients of colored dissolved organic matter. Journal of Oceanography, 78(4), pp.187-208
Humanities / Social sciences
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Repeated narwhal interactions with moorings challenge safety assumptions of passive acoustic monitoring in the Arctic
Podolskiy, E. A., M. Ogawa, M. Otsuki, K. Hasegawa and S. Sugiyama. 2025, Repeated narwhal interactions with moorings challenge safety assumptions of passive acoustic monitoring in the Arctic. Communications Biology, 8, 1557, https://doi.org/10.1038/s42003-025-09106-4
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The situation of Inuit communities in northwest Greenland (Kalaallit Nunaat) amid continuously changing environmental and social conditions
Ogawa, M., Kusaka, R., Sugiyama, S. and Mitani, Y. 2025, The situation of Inuit communities in northwest Greenland (Kalaallit Nunaat) amid continuously changing environmental and social conditions. Polar Science, 46, 101257, https://doi.org/10.1016/j.polar.2025.101257
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“Onhan tämä nyt mukavaa, kun on kotonta yhteys suureen maailmaan” – Lapin asukkaiden puhelimeen liittämät toiveet, huolet ja odotukset 1900-luvulla (“It’s Nice Now That Our House Is Connected to the Big World” – Hopes, Concerns, and Expectations Related to the Telephone Among the Residents of Lapland in the 20th Century)
Ritva Kylli, Henri Wallen, Leena Rantamaula, Juha Saunavaara, ”Onhan tämä nyt mukavaa, kun on kotonta yhteys suureen maailmaan” – Lapin asukkaiden puhelimeen liittämät toiveet, huolet ja odotukset 1900-luvulla. Faravid 57/2025, Pohjois-Suomen Historiallinen Yhdistys. (with English summary: “It’s Nice Now That Our House Is Connected to the Big World” – Hopes, Concerns, and Expectations Related to the Telephone Among the Residents of Lapland in the 20th Century), 83-108 (https://faravid.journal.fi/article/view/162376/120073?acceptCookies=1)
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Road Infrastructure Development in the Arctic, Security and Local Voices: Kuttura–Repojoki Road as a Case Study
Juha Saunavaara, Road infrastructure development in the Arctic, security and local voices: Kuttura-Repojoki road as a case study. Current Developments in Arctic Law, Vol. 13. University of Lapland, Rovaniemi, 2025, 21-32. (https://lauda.ulapland.fi/handle/10024/66921)
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The History of the Telephone in Finnish Lapland from the 1880s to the 1990s
Saunavaara, J. and Kylli, R. 2025. Puhelimen historiaa Lapissa 1880-luvulta 1990-luvulle. Tekniikan Waiheita 43(1), 7–29. https://doi.org/10.33355/tw.144516
