Design flood hydrographs from the relationship between flood peak and volume

Mediero Orduña, Luis Jesús and Jimenez Alvarez, Antonio and Garrote de Marcos, Luis (2010). Design flood hydrographs from the relationship between flood peak and volume. "Hydrology and earth system sciences", v. 14 (n. 12); pp. 2495-2505. ISSN 1027-5606. https://doi.org/10.5194/hess-14-2495-201.

Description

Title: Design flood hydrographs from the relationship between flood peak and volume
Author/s:
  • Mediero Orduña, Luis Jesús
  • Jimenez Alvarez, Antonio
  • Garrote de Marcos, Luis
Item Type: Article
Título de Revista/Publicación: Hydrology and earth system sciences
Date: December 2010
ISSN: 1027-5606
Volume: 14
Subjects:
Faculty: E.T.S.I. Caminos, Canales y Puertos (UPM)
Department: Ingeniería Civil: Hidráulica y Energética [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Hydrological frequency analyses are usually focused on flood peaks. Flood volumes and durations have not been studied as extensively, although there are many practical situations, such as when designing a dam, in which the full hydrograph is of interest. A flood hydrograph may be described by a multivariate function of the peak, volume and duration. Most standard bivariate and trivariate functions do not produce univariate three-parameter functions as marginal distributions, however, three-parameter functions are required to fit highly skewed data, such as flood peak and flood volume series. In this paper, the relationship between flood peak and hydrograph volume is analysed to overcome this problem. A Monte Carlo experiment was conducted to generate an ensemble of hydrographs that maintain the statistical properties of marginal distributions of the peaks, volumes and durations. This ensemble can be applied to determine the Design Flood Hydrograph (DFH) for a reservoir, which is not a unique hydrograph, but rather a curve in the peak-volume space. All hydrographs on that curve have the same return period, which can be understood as the inverse of the probability to exceed a certain water level in the reservoir in any given year. The procedure can also be applied to design the length of the spillway crest in terms of the risk of exceeding a given water level in the reservoir

More information

Item ID: 7165
DC Identifier: http://oa.upm.es/7165/
OAI Identifier: oai:oa.upm.es:7165
DOI: 10.5194/hess-14-2495-201
Official URL: http://www.hydrol-earth-syst-sci.net/14/2495/2010/hess-14-2495-2010.html
Deposited by: Memoria Investigacion
Deposited on: 20 May 2011 09:53
Last Modified: 26 Jun 2018 14:15
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