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Gudrun Magnusdottir

Editor, GRL

Posted inEditors' Highlights

二氧化碳恢复后的北极海冰:对北大西洋天气的影响

by Gudrun Magnusdottir 24 April 202524 April 2025

北极海冰恢复不完全导致冬季急流向赤道偏移。由于海洋环流起到了额外的驱动作用,北大西洋急流的偏移尤其不确定。

Graphs and maps from the study.
Posted inEditors' Highlights

Arctic Sea Ice After CO2 Recovery: Implications for North Atlantic Weather

by Gudrun Magnusdottir 4 April 202524 April 2025

Incomplete Arctic sea ice recovery results in equatorward-shifted winter jets. The North Atlantic jet shift is particularly uncertain due to the ocean circulation acting as an additional driver.

Charts showing cumulative future CO2 emissions (left), surface temperature anomaly (center), and year when sea-ice area drops below 1 million km2 (right) under different CMIP6 emissions scenarios
Posted inEditors' Highlights

Characteristics of Polar Sea Ice in Latest Climate Models

by Gudrun Magnusdottir 21 August 202022 April 2022

Sea ice area in CMIP6 is similar to previous versions while its sensitivity to external forcing is subtly different and closer to observations, but still not in step with global surface temperature.

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