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1.5. Rapid Changes in the Arctic and their Interactions with the Global Climate Systems: Observations, Driving Forces, and Social Consequences

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26 March 2025 | 13:30 - 15:30 (MDT) - Part 1

Room:  Glen Miller Ballroom - UMC 208

27 March 2025 | 10:30 - 12:00 (MDT) - Part 2

Room:  UMC Second Floor 247

Open Session - HYBRID

Organisers:  Xiangdong Zhang (North Carolina State University, USA); Elana Wilson Rowe (Norwegian Institute of International Affairs, Norway); Archana Dayal (Aberystwyth University, UK); Seong-Joong Kim (Korean Polar Research Institute, Republic of Korea); CĂ©line Rodrigues (Universidade Nova de Lisboa, Portugal)

 

Session Description:

Rapid changes have occurred across the Arctic climate system, driving it to a new state. Outstanding examples include amplified warming at a rate faster than anywhere over the globe, largely increased ocean temperatures at the surface and in the deeper layers, drastic sea ice decrease in both extent and thickness throughout the year, accelerating Greenland Ice Sheet melt, intensifying hydrological cycle, thawing of permafrost, increase in methane release, and more frequent occurrence of extreme events. All of these changes have been projected to continue in the future. Along with these changes, interactions across the climate components within the Arctic and between the Arctic and lower latitudes have strengthened. Positive feedbacks between the Arctic climate components can be triggered or enhanced to accelerate the Arctic changes. The changed Arctic can alter global atmospheric and oceanic circulations to increase heat energy transport into the Arctic, adding an additional driving force. On the other hand, the altered atmospheric and oceanic circulations influence the climate and weather outside the Arctic, causing extreme events. All of these changes and events have significantly impact daily life, infrastructure, and broader socio-economic activities.

This session will present new research progresses on the topic and serve as a venue to promote an engagement of the Arctic and global communities into the ICARP IV research priority planning. The presentations and discussions will also provide input to the Research Priority Team 1 activities for the identification and recommendation of research priorities, which make foundational contributions to all other research priority teams.

 

 

 

 

 

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