气候变化领域集成服务门户(CCPortal): Decadal co-variation of the aerosols over East Asia and the East Asian jet streams in the boreal winter

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DOI	10.1002/asl.1217
	Decadal co-variation of the aerosols over East Asia and the East Asian jet streams in the boreal winter
	Hu, S. H.; Kuang, X. Y.; Zhuang, B. L.; Huang, D. Q.
发表日期	2024
ISSN	1530-261X
起始页码	25
结束页码	6
卷号	25 期号:6
英文摘要	The changes in the East Asian polar-front jet (EAPJ) and the East Asian subtropical jet (EASJ) profoundly impact the weather and climate in East Asia. However, the link between aerosols and the jet streams is still unclear. Here, we investigated the decadal co-variation of aerosols and the East Asian jet streams in the boreal winter during the period of 1980-2019. In synch with a positive change in aerosol optical depth over East Asia, 300-hPa winds show an equatorward shift of the land branch of the EASJ, and weakened EAPJ and oceanic branch of the EASJ. This can be linked to the enhanced meridional temperature gradient along 30 degrees-50 degrees N but weakened in northern regions and the decreasing synoptic-scale transient eddy kinetic energy over subtropical Pacific. Relative importance estimation of aerosols and ocean signals emphasized the contributions of aerosols in jet variations. In turn, meteorological conditions related to jet streams also contribute to variations in aerosols, the decadal co-variations are a result of their interactions, particularly for the oceanic branch of EASJ. The findings would be helpful in providing potential indicators of climate change. In the boreal winter, the decadal co-variations between aerosol optical depth and jet streams over East Asia has been investigated. On the one hand, associated with high aerosol burden over East Asia, East Asian jet streams show meridional shifts and intensity variations. On the other hand, the meteorological conditions related to variations in jet streams also contribute to those in aerosols. The decadal co-variations are a result of their interactions, particularly for the oceanic branch of East Asian jet stream. image
英文关键词	aerosol optical depth; decadal variations; East Asian jet streams
语种	英语
WOS研究方向	Geochemistry & Geophysics ; Meteorology & Atmospheric Sciences
WOS类目	Geochemistry & Geophysics ; Meteorology & Atmospheric Sciences
WOS记录号	WOS:001178428400001
来源期刊	ATMOSPHERIC SCIENCE LETTERS
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/301827
作者单位	Nanjing University; Nanjing University
推荐引用方式 GB/T 7714	Hu, S. H.,Kuang, X. Y.,Zhuang, B. L.,et al. Decadal co-variation of the aerosols over East Asia and the East Asian jet streams in the boreal winter[J],2024,25(6).
APA	Hu, S. H.,Kuang, X. Y.,Zhuang, B. L.,&Huang, D. Q..(2024).Decadal co-variation of the aerosols over East Asia and the East Asian jet streams in the boreal winter.ATMOSPHERIC SCIENCE LETTERS,25(6).
MLA	Hu, S. H.,et al."Decadal co-variation of the aerosols over East Asia and the East Asian jet streams in the boreal winter".ATMOSPHERIC SCIENCE LETTERS 25.6(2024).