Articles | Volume 25, issue 12
https://doi.org/10.5194/hess-25-6107-2021
https://doi.org/10.5194/hess-25-6107-2021
Research article
 | 
02 Dec 2021
Research article |  | 02 Dec 2021

Enhanced flood hazard assessment beyond decadal climate cycles based on centennial historical data (Duero basin, Spain)

Gerardo Benito, Olegario Castillo, Juan A. Ballesteros-Cánovas, Maria Machado, and Mariano Barriendos

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Latest update: 03 Nov 2024
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Short summary
Climate change is expected to increase the intensity of floods, but changes are difficult to project. We compiled historical and modern flood data of the Rio Duero (Spain) to evaluate flood hazards beyond decadal climate cycles. Historical floods were obtained from documentary sources, identifying 69 floods over 1250–1871 CE. Discharges were calculated from reported flood heights. Flood frequency using historical datasets showed the most robust results, guiding climate change adaptation.