Extreme flood abatement in large dams with fixed-crest spillways

Sordo Ward, Alvaro; Garrote de Marcos, Luis; Martín Carrasco, Francisco Javier y Bejarano Carrión, María Dolores (2012). Extreme flood abatement in large dams with fixed-crest spillways. "Journal of Hydrology", v. 466-46 ; pp. 60-72. ISSN 0022-1694. https://doi.org/10.1016/j.jhydrol.2012.08.009.


Título: Extreme flood abatement in large dams with fixed-crest spillways
  • Sordo Ward, Alvaro
  • Garrote de Marcos, Luis
  • Martín Carrasco, Francisco Javier
  • Bejarano Carrión, María Dolores
Tipo de Documento: Artículo
Título de Revista/Publicación: Journal of Hydrology
Fecha: 12 Octubre 2012
Volumen: 466-46
Escuela: E.T.S.I. Caminos, Canales y Puertos (UPM)
Departamento: Ingeniería Civil: Hidráulica y Energética [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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This study characterises the abatement effect of large dams with fixed-crest spillways under extreme design flood conditions. In contrast to previous studies using specific hydrographs for flow into the reservoir and simplifications to obtain analytical solutions, an automated tool was designed for calculations based on a Monte Carlo simulation environment, which integrates models that represent the different physical processes in watersheds with areas of 150?2000 km2. The tool was applied to 21 sites that were uniformly distributed throughout continental Spain, with 105 fixed-crest dam configurations. This tool allowed a set of hydrographs to be obtained as an approximation for the hydrological forcing of a dam and the characterisation of the response of the dam to this forcing. For all cases studied, we obtained a strong linear correlation between the peak flow entering the reservoir and the peak flow discharged by the dam, and a simple general procedure was proposed to characterise the peak-flow attenuation behaviour of the reservoir. Additionally, two dimensionless coefficients were defined to relate the variables governing both the generation of the flood and its abatement in the reservoir. Using these coefficients, a model was defined to allow for the estimation of the flood abatement effect of a reservoir based on the available information. This model should be useful in the hydrological design of spillways and the evaluation of the hydrological safety of dams. Finally, the proposed procedure and model were evaluated and representative applications were presented

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ID de Registro: 16058
Identificador DC: http://oa.upm.es/16058/
Identificador OAI: oai:oa.upm.es:16058
Identificador DOI: 10.1016/j.jhydrol.2012.08.009
URL Oficial: http://www.sciencedirect.com/science/article/pii/S0022169412006889
Depositado por: Memoria Investigacion
Depositado el: 31 Oct 2013 12:44
Ultima Modificación: 12 Oct 2014 22:56
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