Arctic amplification modulated by Atlantic Multidecadal Oscillation and greenhouse forcing on multidecadal to century scales

Miao Fang, Xin Li, Hans W. Chen, Deliang Chen

Research output: Contribution to journalArticlepeer-review

Abstract

Enhanced warming in the Arctic (Arctic amplification, AA) in the last decades has been linked to several factors including sea ice and the Atlantic Multidecadal Oscillation (AMO). However, how these factors contributed to AA variations in a long-term perspective remains unclear. By reconstructing a millennial AA index combining climate model simulations with recently available proxy data, this work determines the important influences of the AMO and anthropogenic greenhouse gas forcing on AA variations in the last millennium, leading to identification of a significant downward trend of AA on top of a sustained strong AMO modulation at the multidecadal scales. The decreased AA during the industrial era was strongly associated with the anthropogenic forcing, proving the emerging role of the forcing in reducing the AA strength.

Original languageEnglish
Article number1865
JournalNature Communications
Volume13
Issue number1
DOIs
Publication statusPublished - 2022 Dec

Subject classification (UKÄ)

  • Climate Research

Fingerprint

Dive into the research topics of 'Arctic amplification modulated by Atlantic Multidecadal Oscillation and greenhouse forcing on multidecadal to century scales'. Together they form a unique fingerprint.

Cite this