Research results

Cryosphere / Land

• • 2025.7.8
  • Cryosphere / Land

  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

  

• • 2025.2.17
  • Cryosphere / Land

  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

  

• • 2025.1.31
  • Cryosphere / Land

  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  

  

• • 2025.1.22
  • Cryosphere / Land

  Ploughmeter for subglacial observations with an accelerometer and a water pressure sensor

  Kondo, K., Sugiyama, S., Minowa, M. and Podolskiy, E. A. 2025, Ploughmeter for subglacial observations with an accelerometer and a water pressure sensor. Bulletin of Glaciological Research, 42, 113-121. https://doi.org/10.5331/bgr.24R04

  

• • 2024.8.15
  • Cryosphere / Land

  Geometry and thermal regime of the southern outlet glaciers of Qaanaaq Ice Cap, NW Greenland

  Lamsters, K., Karuss, J., Jeskins, J., Dzerins, P., Ukai, S., Sugiyama, S. 2024. Geometry and thermal regime of the southern outlet glaciers of Qaanaaq Ice Cap, NW Greenland. Earth Surface Processes and Landforms, 49(13), 4275-4288, https://doi.org/10.1002/esp.5966

Atmosphere / Ocean

• • 2024.8.15
  • Atmosphere / Ocean　Ecosystem

  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

  

• • 2024.7.30
  • Atmosphere / Ocean

  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

• • 2024.4.10
  • Cryosphere / Land　Atmosphere / Ocean

  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.

• • 2023.1.1
  • Cryosphere / Land　Atmosphere / Ocean

  What the sounds of iceberg calving can tell us

  Podolskiy, E.A., (2022). What the sounds of iceberg calving can tell us, The Circle (WWF), 4, 14–17 (WWF Arctic Programme, Solna, Sweden). https://www.arcticwwf.org/the-circle/stories/what-the-sounds-of-iceberg-calving-can-tell-us/

• • 2022.11.4
  • Atmosphere / Ocean

  Meltwater discharge from marine-terminating glaciers drives biogeochemical conditions in a Greenlandic fjord

  Kanna, N., S. Sugiyama, T. Ando, Y. Wang, Y. Sakuragi, T. Hazumi, K. Matsuno, A. Yamaguchi, J. Nishioka, Y. Yamashita. 2022. Meltwater discharge from marine-terminating glaciers drives biogeochemical conditions in a Greenlandic fjord. Global Biogeochemical Cycles, 36(11), e2022GB007411, https://doi.org/10.1029/2022GB007411

   

Ecosystem

• • 2025.9.30
  • Ecosystem

  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

• • 2025.8.11
  • Ecosystem　Engineering

  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

• • 2025.4.16
  • Ecosystem　Engineering

  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.

• • 2025.3.24
  • Ecosystem

  Differences in predictions of marine species distribution models based on expert maps and opportunistic occurrences

  Zhang, Z.; Kass, J. M.; Bede-Fazekas, Á.; Mammola, S.; Qu, J.; García Molinos, J.; Gu, J.; Huang, H.; Qu, M.; and Yue, Y. 2025. Differences in predictions of marine species distribution models based on expert maps and opportunistic occurrences. Conservation Biology, e70015. https://doi.org/10.1111/cobi.70015

• • 2025.3.1
  • Ecosystem

  Seasonal habitat use of ringed seals in the Thule area, northwestern Greenland

  Sakuragi, Y., Rosing-Asvid, A., Sugiyama, S. and Mitani, Y. 2024. Seasonal habitat use of ringed seals in the Thule area, northwestern Greenland. Polar Science, 101145, https://doi.org/10.1016/j.polar.2024.101145

  

Engineering

• • 2025.8.11
  • Ecosystem　Engineering

  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

• • 2025.4.16
  • Ecosystem　Engineering

  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.

• • 2025.1.1
  • Engineering

  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

• • 2024.9.1
  • Engineering

  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

• • 2022.6.20
  • Ecosystem　Engineering

  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

• • 2025.11.5
  • Humanities / Social sciences

  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

• • 2025.9.26
  • Humanities / Social sciences

  Japan’s Engagement with the Arctic after Russia’s Invasion of Ukraine

  Juha Saunavaara, Marina Lomaeva, Hiroki Takakura, and Fujio Ohnishi, “Japan’s Engagement with the Arctic after Russia’s Invasion of Ukraine”, In M. Dervovic, L. Ulatowski, S. Kirchner (Eds.), Arctic Policies of Non-Arctic States. Brill, 2025, 101–125. (https://brill.com/edcollbook/title/72555)

  

• • 2025.6.10
  • Humanities / Social sciences

  Collaboration between Arctic and northern subnational governments disrupted by the Russian invasion of Ukraine

  Saunavaara, J., Espiritu, A. A., Lomaeva, M. 2025. Collaboration between Arctic and northern subnational governments disrupted by the Russian invasion of Ukraine, Polar Science, 44, 101172, 1–9. https://doi.org/10.1016/j.polar.2025.101172

• • 2025.6.1
  • Humanities / Social sciences

  Community perspectives inform coastal marine ecosystem research in northwestern Greenland

  Otsuki, M. and Sugiyama, S. 2025. Community perspectives inform coastal marine ecosystem research in northwestern Greenland. Polar Science, 101112, https://doi.org/10.1016/j.polar.2024.101112

  

• • 2025.5.2
  • Humanities / Social sciences

  グリーンランドに砕氷船

  解説）大西富士夫、グリーンランドに砕氷船、日本経済新聞、朝刊全国、2025年5月2日