Earth Sciences

An energetics tale of the 2022 mega-heatwave over central-eastern China

T. Zhang, Y. Deng, et al.

This study explores the intense 2022 mega-heatwave in central-eastern China, highlighting energy dynamics and the impact of pollution mitigation on future heatwaves. Conducted by the talented authors, this research reveals the underlying processes that governed this significant climate event.

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Abstract

This study quantitatively delineates the lifecycle of the record-breaking 2022 mega-heatwave over central-eastern China using a process-resolving, energetics-based attribution framework. It finds that radiative heating and atmospheric dynamics dominated energy buildup during the developing stage, while land-atmosphere coupling and atmospheric advection sustained and terminated the heatwave, respectively. A reduction in anthropogenic aerosols contributed positively throughout the event, suggesting pollution mitigation may increase future heatwave amplitudes. The framework also helped identify model biases in sub-seasonal heatwave predictions.

Publisher

npj Climate and Atmospheric Science

Published On

Oct 06, 2023

Authors

Tuantuan Zhang, Yi Deng, Junwen Chen, Song Yang, Yongjiu Dai

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