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Title

Floodplain occupation and flooding in the Central Pyrenees

Other TitlesOcupación de la llanura aluvial e inundaciones en el Pirineo Central
AuthorsSerrano Notivoli, Roberto ; Mora, D.; Ollero, A.; Sánchez-Fabre, M.; Sanz, P.; Saz, M. A.
Keywordsfloods
vulnerability
Pyrenees
Aragón and Ésera rivers
regional planning
Issue Date2017
PublisherUniversidad de La Rioja
CitationSerrano-Notivoli R, Mora D, Ollero A, Sánchez-Fabre M, Sanz P, Saz MA. Floodplain occupation and flooding in the Central Pyrenees. Cuadernos de investigación geográfica 43 (1): 309-328 (2017)
AbstractFloods modify the natural dynamics of river environments and greatly affect urban areas, especially in mountain regions where flooding is frequent because of the precipitation characteristics and orographic configuration. In this study the vulnerability of the central sector of the Pyrenees to flood events was investigated using frequency analysis of daily flow and precipitation data for the period from 1940 to 2012 for the headwaters of the Aragón and Ésera rivers. The land use evolution over the past 60 years was also analyzed. The return periods showed that floods have not been exceptional, and the high flow frequency has been large and closely related to precipitation events. This, combined with a large increase in human occupation, particularly since the 1990s, of fluvial areas associated with the land use evolution since 1956, has increased exposure to flood risks.
Description20 Pags.- 5 Tabls.- 8 Figs. Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
Publisher version (URL)http://dx.doi.org/10.18172/cig.3057
URIhttp://hdl.handle.net/10261/155633
DOI10.18172/cig.3057
ISSN0211-6820
E-ISSN1697-9540
Appears in Collections:(EEAD) Artículos
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