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Title: Shifts in flood generation processes exacerbate regional flood anomalies in Europe
Author(s): Tarasova, LarisaLook up in the Integrated Authority File of the German National Library
Lun, David
Merz, Ralf
Blöschl, Günter
Basso, Stefano
Bertola, Miriam
Miniussi, Arianna
Rakovec, Oldrich
Samaniego, Luis
Thober, Stephan
Kumar, Rohini
Issue Date: 2023
Type: Article
Language: English
Abstract: Anomalies in the frequency of river floods, i.e., flood-rich or -poor periods, cause biases in flood risk estimates and thus make climate adaptation measures less efficient. While observations have recently confirmed the presence of flood anomalies in Europe, their exact causes are not clear. Here we analyse streamflow and climate observations during 1960-2010 to show that shifts in flood generation processes contribute more to the occurrence of regional flood anomalies than changes in extreme rainfall. A shift from rain on dry soil to rain on wet soil events by 5% increased the frequency of flood-rich periods in the Atlantic region, and an opposite shift in the Mediterranean region increased the frequency of flood-poor periods, but will likely make singular extreme floods occur more often. Flood anomalies driven by changing flood generation processes in Europe may further intensify in a warming climate and should be considered in flood estimation and management.
Open Access: Open access publication
License: (CC BY 4.0) Creative Commons Attribution 4.0(CC BY 4.0) Creative Commons Attribution 4.0
Journal Title: Communications earth & environment
Publisher: Springer Nature
Publisher Place: London
Volume: 4
Issue: 2023
Original Publication: 10.1038/s43247-023-00714-8
Appears in Collections:Open Access Publikationen der MLU

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