JpGU-AGU Joint Meeting 2026

Session information

[E] Poster

A (Atmospheric and Hydrospheric Sciences ) » A-CC Cryospheric Sciences & Cold District Environment

[A-CC42] Permafrost in transition: causes, impacts and feedbacks

Tue. May 26, 2026 5:15 PM - 7:00 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

Permafrost, a cornerstone of the cryosphere, is undergoing rapid and unprecedented changes, which poses great challenges on regional water supply, ecosystem health and infrastructure stability. This session delves into the multifaceted dynamics of this transition, exploring the interconnected processes that drive such changes, consequences, and critical feedbacks to climate system and our society. We invite contributions that investigate the causes of permafrost degradation, from atmospheric warming, changing snow cover to extreme events including wildfire and extreme rainfall events, and their impacts on ground thermal regime. We also seek studies on the diverse impacts of permafrost thaw, including geomorphic and hydrological changes, infrastructure damage, and transformations in Arctic and Alpine ecosystems. Interdisciplinary studies that integrate in-situ monitoring, modeling and remote sensing to advance our ability of characterizing above processes across spatial and temporal scales and feedbacks are particularly encouraged. The ultimate goal is to form a holistic view of the future fate of permafrost and its role in a warming world.

5:15 PM - 7:00 PM

*Masao Uchida1, Kanako Mantoku1, Chien-Lu Ping2, Go Iwahana2,3, Hiroto Kajita4, Stephan Rella1, Hidetoshi Kumata5, Tetsuya Matsunaka6, Yoshimi Kubota7, Katsura Yamada8, Akane Yamakawa1, Kenji Yoshikawa2, Motoyo Itoh9, Shigeto Nishino9 (1. National Institute for Environmental Studies, 2. University of Alaska, Fairbanks, 3. Hokkaido University, 4. Hirosaki University, 5. Tokyo University of Pharmacy and Life Sciences, 6. Kanazawa University, 7. National Museum of Nature and Science, 8. Shinshu University, 9. Japan Agency for Marine-Earth Science and Technology)

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