Memorias de investigación
Artículos en revistas:
Design flood hydrographs from the relationship between flood peak and volume
Año:2010
Áreas de investigación
  • Hidrología,
  • Ingenieria civil
Datos
Descripción
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
Internacional
Si
JCR del ISI
Si
Título de la revista
HYDROLOGY AND EARTH SYSTEM SCIENCES
ISSN
1027-5606
Factor de impacto JCR
2,462
Información de impacto
Volumen
14
DOI
10.5194/hess-14-2495-2010
Número de revista
10
Desde la página
2495
Hasta la página
2505
Mes
ENERO
Ranking
Esta actividad pertenece a memorias de investigación
Participantes
Grupos de investigación, Departamentos, Centros e Institutos de I+D+i relacionados
  • Creador: Grupo de Investigación: Hidroinformática y Gestión del Agua