A teleconnection pathway linking cross-basin extremes triggered the record-breaking 2024 marine heatwave in the East China Seas

Dados Bibliográficos

ID15546329
AutoresYanzhi Zhou (0009-0004-1544-5448, Institute of Atmospheric Physics, autor correspondente), Pengfei Lin (0000-0003-2361-0066), Lin Pengfei, Senlan Yang (Institute of Atmospheric Physics), Lu Yang (0000-0002-2623-6789, Institute of Atmospheric Physics), Weipeng Zheng (0000-0003-1968-197X, Institute of Atmospheric Physics), Hailong Liu (0000-0002-8780-0398, People's Liberation Army 401 Hospital), Yilong Lyu (Institute of Oceanology), Yuanlong Li (0000-0002-7239-5756, Institute of Oceanology), Jing Duan (0000-0001-5557-6881, Institute of Oceanology), Xiaohui Tang (0009-0005-7503-5683, Institute of Oceanology), Wen-zhou Zhang (Xiamen University), Peng Xiu (0000-0001-5328-8405, Xiamen University), Lei Zhang (0000-0003-4889-6486, South China Sea Institute Of Oceanology), Fan Wang (0000-0002-9869-9504, Institute of Oceanology)
Ano2026
Volume21
Fascículo6
Páginas064021-064021
Data de publicação2026-03-17
Open AccessSim
TipoARTICLE
PeriódicoEnvironmental Research Letters (JOURNAL)
Identificadores do periódicoISSN: 1748-9326 • E-ISSN: 1748-9326
EditoraIOP Publishing (PUBLISHER • GB)
DOI10.1088/1748-9326/ae5314
OpenAlexW7138276526
IdiomaEN
Referências citadas42

In 2024, a record-breaking marine heatwave (MHW) occurred in the East China Seas (ECSs), lasting four months and featuring consecutive 21 d periods exceeding the extreme heatwave threshold. Based on a mixed–layer heat budget analysis, this study identifies the dominant contribution of increased shortwave radiation, which is closely linked to atmospheric high–pressure anomalies. These high-pressure anomalies were established via a teleconnection pathway triggered by a series of cross-basin extremes. Specifically, extreme warming in the North Atlantic (NA), together with slightly cooler conditions in the eastern equatorial Pacific, produced a pronounced cross-basin sea surface temperature contrast. This contrast subsequently contributed to unprecedented precipitation over North Africa. These remote extremes further excited a strong wave train, ultimately leading to the record-breaking MHW. Under the background of sustained NA warming, this teleconnection pathway becomes more pronounced and continues to facilitate MHW development. This study advances our understanding of the mechanisms by which remote signals trigger MHWs and highlights the potential for increased MHW risk in a warming climate

China · China sea · Precipitation · Sea surface temperature · Shortwave · Teleconnection · Climate variability and models · Oceanographic and Atmospheric Processes · Tropical and Extratropical Cyclones Research