Articles | Volume 16, issue 9
Research article
05 Sep 2016
Research article |  | 05 Sep 2016

Long-term entrenchment and consequences for present flood hazard in the Garona River (Val d'Aran, Central Pyrenees, Spain)

Ane Victoriano, Marta García-Silvestre, Glòria Furdada, and Jaume Bordonau

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Cited articles

ACA, Agència Catalana de l'Aigua: Pla Especial d'Emergències per Inundacions de Catalunya (INUNCAT), Departament d'Interior, Generalitat de Catalunya, Barcelona, 556 pp., 2015.
Allen, P. M., Arnold, J. G., and Byars, B. W.: Downstream channel geometry for use in planning-level models, J. Am. Water Resour. Assoc., 30, 663–671,, 1994.
Andrieu, V., Hubschman, J., Jalut, G., and Hérail, G.: Chronologie de la déglaciation des Pyrénées françaises. Dynamique de sédimentation et contenu pollinique des paléolacs: application à l'interprétation du retrait glaciaire, B. Assoc. Fr. Etud. Quat., 25, 55–67,, 1988.
Aran Culturau: Aiguats istòrics en Aran (II): 1963, Aran Nau, 62, p. 10, 2013.
Archiu Generau d'Aran: Actes minicipaus de Vielha, Conselh Generau d'Aran, Vielha, Spain, 38–40, 1937.
Short summary
Floods are amongst the most dangerous natural disasters. After the 2013 flood event in Val d’Aran (Pyrenees), fieldwork and the analysis of historical aerial photographs allowed us to study flood hazard by considering a broad range of processes and timescales. Results show that the long-term entrenchment tendency resulting from the geologic setting determines the short-term flood effects. Improved data arising from these kinds of studies can help decision makers for better flood risk management.
Final-revised paper