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  Accelerated western European heatwave trends linked to more-persistent double jets over Eurasia

Rousi, E., Kornhuber, K., Beobide-Arsuaga, G., Luo, F., Coumou, D. (2022): Accelerated western European heatwave trends linked to more-persistent double jets over Eurasia. - Nature Communications, 13, 3851.
https://doi.org/10.1038/s41467-022-31432-y

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Rousi, Eftychia1, Autor              
Kornhuber, Kai1, Autor              
Beobide-Arsuaga, G.2, Autor
Luo, F.2, Autor
Coumou, Dim1, Autor              
Affiliations:
1Potsdam Institute for Climate Impact Research, ou_persistent13              
2External Organizations, ou_persistent22              

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 Zusammenfassung: Persistent heat extremes can have severe impacts on ecosystems and societies, including excess mortality, wildfires, and harvest failures. Here we identify Europe as a heatwave hotspot, exhibiting upward trends that are three-to-four times faster compared to the rest of the northern midlatitudes over the past 42 years. This accelerated trend is linked to atmospheric dynamical changes via an increase in the frequency and persistence of double jet stream states over Eurasia. We find that double jet occurrences are particularly important for western European heatwaves, explaining up to 35% of temperature variability. The upward trend in the persistence of double jet events explains almost all of the accelerated heatwave trend in western Europe, and about 30% of it over the extended European region. Those findings provide evidence that in addition to thermodynamical drivers, atmospheric dynamical changes have contributed to the increased rate of European heatwaves, with implications for risk management and potential adaptation strategies.

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Sprache(n): eng - Englisch
 Datum: 2022-06-172022-07-042022-07-04
 Publikationsstatus: Final veröffentlicht
 Seiten: 11
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: PIKDOMAIN: RD1 - Earth System Analysis
Organisational keyword: RD1 - Earth System Analysis
Research topic keyword: Atmosphere
Research topic keyword: Extremes
Research topic keyword: Weather
Regional keyword: Europe
Model / method: Quantitative Methods
MDB-ID: yes - 3364
Working Group: Earth System Modes of Operation
OATYPE: Gold - DEAL Springer Nature
DOI: 10.1038/s41467-022-31432-y
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Titel: Nature Communications
Genre der Quelle: Zeitschrift, SCI, Scopus, p3, oa
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Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 13 Artikelnummer: 3851 Start- / Endseite: - Identifikator: CoNE: https://publications.pik-potsdam.de/cone/journals/resource/journals354
Publisher: Springer Nature