Increasing compound warm spells and droughts in the Mediterranean Basin

dc.contributor.authorVogel, Johannes
dc.contributor.authorPaton, Eva
dc.contributor.authorAich, Valentin
dc.contributor.authorBronstert, Axel
dc.date.accessioned2022-04-11T12:31:05Z
dc.date.available2022-04-11T12:31:05Z
dc.date.issued2021-02-17
dc.description.abstractThe co-occurrence of warm spells and droughts can lead to detrimental socio-economic and ecological impacts, largely surpassing the impacts of either warm spells or droughts alone. We quantify changes in the number of compound warm spells and droughts from 1979 to 2018 in the Mediterranean Basin using the ERA5 data set. We analyse two types of compound events: 1) warm season compound events, which are extreme in absolute terms in the warm season from May to October and 2) year-round deseasonalised compound events, which are extreme in relative terms respective to the time of the year. The number of compound events increases significantly and especially warm spells are increasing strongly – with an annual growth rates of 3.9 (3.5) % for warm season (deseasonalised) compound events and 4.6 (4.4) % for warm spells –, whereas for droughts the change is more ambiguous depending on the applied definition. Therefore, the rise in the number of compound events is primarily driven by temperature changes and not the lack of precipitation. The months July and August show the highest increases in warm season compound events, whereas the highest increases of deseasonalised compound events occur in spring and early summer. This increase in deseasonalised compound events can potentially have a significant impact on the functioning of Mediterranean ecosystems as this is the peak phase of ecosystem productivity and a vital phenophase.en
dc.description.sponsorshipDFG, 251036843, GRK 2043: Naturgefahren und Risiken in einer Welt im Wandelen
dc.identifier.eissn2212-0947
dc.identifier.urihttps://depositonce.tu-berlin.de/handle/11303/16700
dc.identifier.urihttp://dx.doi.org/10.14279/depositonce-15478
dc.language.isoenen
dc.relation.ispartof10.14279/depositonce-15250
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en
dc.subject.ddc550 Geowissenschaftende
dc.subject.ddc577 Ökologiede
dc.subject.othercompound eventsen
dc.subject.otherwarm spellsen
dc.subject.otherdroughtsen
dc.subject.otherMediterranean basinen
dc.subject.otherextreme eventsen
dc.subject.otherclimate changeen
dc.titleIncreasing compound warm spells and droughts in the Mediterranean Basinen
dc.typeArticleen
dc.type.versionpublishedVersionen
dcterms.bibliographicCitation.articlenumber100312en
dcterms.bibliographicCitation.doi10.1016/j.wace.2021.100312en
dcterms.bibliographicCitation.journaltitleWeather and Climate Extremesen
dcterms.bibliographicCitation.originalpublishernameElsevieren
dcterms.bibliographicCitation.originalpublisherplaceAmsterdamen
dcterms.bibliographicCitation.volume32en
tub.accessrights.dnbfreeen
tub.affiliationFak. 6 Planen Bauen Umwelt::Inst. Ökologie::FG Ökohydrologie & Landschaftsbewertungde
tub.affiliation.facultyFak. 6 Planen Bauen Umweltde
tub.affiliation.groupFG Ökohydrologie & Landschaftsbewertungde
tub.affiliation.instituteInst. Ökologiede
tub.publisher.universityorinstitutionTechnische Universität Berlinen

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