Articles | Volume 14, issue 2
https://doi.org/10.5194/tc-14-693-2020
https://doi.org/10.5194/tc-14-693-2020
Research article
 | 
26 Feb 2020
Research article |  | 26 Feb 2020

The Arctic sea ice extent change connected to Pacific decadal variability

Xiao-Yi Yang, Guihua Wang, and Noel Keenlyside

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Latest update: 18 Jun 2024
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Short summary
The post-2007 Arctic sea ice cover is characterized by a remarkable increase in annual cycle amplitude, which is attributed to multiyear variability in spring Bering sea ice extent. We demonstrated that changes of NPGO mode, by anomalous wind stress curl and Ekman pumping, trigger subsurface variability in the Bering basin. This accounts for the significant decadal oscillation of spring Bering sea ice after 2007. The study helps us to better understand the recent Arctic climate regime shift.