JpGU-AGU Joint Meeting 2026

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[E] Oral

U (Union ) » Union

[U-07] Ecosystem fluctuations in the Northwest Pacific and their linkages to global environmental change

Thu. May 28, 2026 3:30 PM - 5:00 PM Exhibition Hall Special Setting (1) (Exhibition Hall 7&8, Makuhari Messe)

Chairperson:Schneider Niklas(University of Hawaii at Manoa), Kawakami Yuma(Meteorological Research Institute), Yasunaka Sayaka(Tohoku University)

In recent years, the northwestern Pacific region has witnessed the longest Kuroshio meander on record, an unprecedented abnormal northward shift of the Kuroshio Extension, the occurrence of the world's strongest marine heatwave, and significant ecosystem changes, including coral bleaching and shifts in fish species distribution along coasts and in the open ocean. Furthermore, a link has been suggested between variations in the Kuroshio and Kuroshio Extension and changes in the Pacific-scale wind system. Are these changes part of the Earth System shifts accompanying global warming? Unraveling the full picture of the series of changes in the Northwest Pacific, from ocean circulation to ecosystems, and clarifying their relationship with ocean-scale and global-scale changes could serve as a touchstone for comprehensively understanding the relationship between global-scale changes and regional/local changes. This session focuses on recent changes in the Northwest Pacific and aims to deepen the cross-disciplinary, overarching discussions on interactions between Earth system change and marine ecosystems, including the changing global marine environment, its relationship with ecosystems, and the impacts on human society.

3:30 PM - 3:47 PM

[U07-06] A New Dynamic Regime in the North Pacific Climate System after 2018: Physical Drivers and Biogeochemical Impacts

★Invited Papers

*Bo Qiu1,2, Niklas Schneider1,2,3, Shuiming Chen1, Toshio Suga4, Angelique White1,2, James Potemra1 (1. Department of Oceanography, University of Hawaii at Manoa, 2. WPI Advanced Institute for Marine Ecosystem Change (AIMEC), University of Hawaii at Manoa, 3. International Pacific Research Center, University of Hawaii at Manoa, 4. WPI Advanced Institute for Marine Ecosystem Change (AIMEC), Tohoku University)

3:47 PM - 4:04 PM

[U07-07] Extreme Warming east of Japan tied to Multidecadal Cooling of the Tropical Pacific

★Invited Papers

*Baolan Wu1,2, Shang-Ping Xie3, Ayumu Miyamoto3, Yu Kosaka4, Toshio Suga1, Fumio Inagaki5,1 (1. Advanced Institute for Marine Ecosystem Change (WPI-AIMEC), Tohoku University, 2. Graduate School of Science, Tohoku University, 3. Scripps Institution of Oceanography, University of California San Diego, 4. Research Center for Advanced Science and Technology, The University of Tokyo, 5. Advanced Institute for Marine Ecosystem Change (WPI-AIMEC), Japan Agency for Marine-Earth Science and Technology (JAMSTEC))

Discussion (4:55 PM - 5:00 PM)

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