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A dynamic link between spring Arctic sea ice and the Tibetan Plateau snow increment indicator

Earth Sciences

A dynamic link between spring Arctic sea ice and the Tibetan Plateau snow increment indicator

C. Zhang, A. Duan, et al.

Discover groundbreaking research by Chao Zhang and colleagues that unveils a new snow indicator for the Tibetan Plateau! This study illuminates the intriguing connection between late autumn snow cover extent increases and spring Arctic sea-ice concentration, suggesting vital implications for climate dynamics.

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Playback language: English
Abstract
This study establishes a new snow indicator for Tibetan Plateau (TP) snow variability: the snow cover extent increment within late autumn. This indicator shows a robust link to subsequent spring Arctic sea-ice concentration. Faster TP snow cover extent increment leads to stronger TP cooling and disturbances along the subtropical westerly jet, inducing a TP-Arctic wave train and a spring Arctic cyclonic anomaly. This anomaly favors sea-ice reduction through equatorward sea ice drift.
Publisher
npj Climate and Atmospheric Science
Published On
Nov 17, 2023
Authors
Chao Zhang, Anmin Duan, XiaoJing Jia, Zhibiao Wang, Zhulei Pan
Tags
Tibetan Plateau
snow cover
Arctic sea-ice concentration
climate dynamics
wave train
cooling
cyclonic anomaly
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