气候变化领域集成服务门户(CCPortal): Persistent anticyclonic conditions and climate change exacerbated the exceptional 2022 European-Mediterranean drought

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DOI	10.1088/1748-9326/acbc37
	Persistent anticyclonic conditions and climate change exacerbated the exceptional 2022 European-Mediterranean drought
	Faranda, Davide; Pascale, Salvatore; Bulut, Burak
发表日期	2023
ISSN	1748-9326
卷号	18 期号:3
英文摘要	A prolonged drought affected Western Europe and the Mediterranean region in 2022 producing large socio-ecological impacts. The role of anthropogenic climate change (ACC) in exacerbating this drought has been often invoked in the public debate, but the link between atmospheric circulation and ACC has not received much attention so far. Here we address this question by applying the method of circulation analogs, which allows us to identify atmospheric patterns in the period 1836-2021 very similar to those occurred in 2022. By comparing the circulation analogs when global warming was absent (1836-1915) with those occurred recently (1942-2021), and by excluding interannual and interdecadal variability as possible drivers, we identify the contribution of ACC. The 2022 drought was associated with a persistent anticyclonic anomaly over Western Europe. Circulation analogs of this atmospheric pattern in 1941-2021 feature 500 hPa geopotential height anomalies larger in both extent and magnitude, and higher temperatures at the surface, relative to those in 1836-1915. Both factors exacerbated the drought, by increasing the area affected and enhancing soil drying through evapotranspiration. While the occurrence of the atmospheric circulation associated with the 2022 drought has not become more frequent in recent decades, the influence of the Atlantic Multidecadal oscillation cannot be ruled-out.
英文关键词	drought; climate change; attribution
语种	英语
WOS研究方向	Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS类目	Science Citation Index Expanded (SCI-EXPANDED)
WOS记录号	WOS:000940787200001
来源期刊	ENVIRONMENTAL RESEARCH LETTERS
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/281187
作者单位	Centre National de la Recherche Scientifique (CNRS); CNRS - National Institute for Earth Sciences & Astronomy (INSU); Universite Paris Saclay; CEA; Universite Paris Cite; CEA; Universite Paris Saclay; Universite Paris Cite; Sorbonne Universite; Universite PSL; Ecole Normale Superieure (ENS); Centre National de la Recherche Scientifique (CNRS); University of Bologna
推荐引用方式 GB/T 7714	Faranda, Davide,Pascale, Salvatore,Bulut, Burak. Persistent anticyclonic conditions and climate change exacerbated the exceptional 2022 European-Mediterranean drought[J],2023,18(3).
APA	Faranda, Davide,Pascale, Salvatore,&Bulut, Burak.(2023).Persistent anticyclonic conditions and climate change exacerbated the exceptional 2022 European-Mediterranean drought.ENVIRONMENTAL RESEARCH LETTERS,18(3).
MLA	Faranda, Davide,et al."Persistent anticyclonic conditions and climate change exacerbated the exceptional 2022 European-Mediterranean drought".ENVIRONMENTAL RESEARCH LETTERS 18.3(2023).