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Iván Gabriel Martín   Mr.  Other 
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Iván Gabriel Martín published an article in October 2018.
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Luis Garrote

103 shared publications

Department of Civil Engineering: Hydraulics, Energy and Environment, Universidad Politécnica de Madrid, 28040 Madrid, Spain

Paola Bianucci

7 shared publications

AQUATEC (Suez Group); Dep. Basin Management; Madrid Spain

2
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16
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1
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2
 
Publications
Article 0 Reads 1 Citation Influencia del nivel inicial en la definición de resguardos estacionales en presas Ivan Gabriel-Martin, Alvaro Sordo-Ward, Luis Garrote Published: 30 October 2018
Ingeniería del agua, doi: 10.4995/ia.2018.9526
DOI See at publisher website ABS Show/hide abstract
El estudio presenta una metodología de carácter estocástico para la definición de Normas de Explotación optimizando tanto la explotación ordinaria como la seguridad hidrológica de la presa. Además, la metodología permite tener en cuenta la variabilidad del nivel inicial en el embalse en el momento de avenida. El caso de estudio es una presa bóveda clasificada como tipo A en función del riesgo potencial cuyo principal uso es el regadío. En el caso de estudio, se ha determinado un conjunto de resguardos que, cumpliendo la normativa relativa a niveles máximos en el embalse, maximizan la demanda máxima atendible para una garantía volumétrica del 90%. Se ha observado que al tener en cuenta la variabilidad del nivel inicial en el momento de avenida, la presa del caso de estudio no necesita resguardos para cumplir la normativa, mientras que si se supone embalse lleno el volumen de resguardo es de 70 hm3 en una de las estaciones. La metodología presentada puede ser de utilidad para el análisis y priorización de inversiones en seguridad hidrológica de presas existentes.
CONFERENCE-ARTICLE 16 Reads 0 Citations Rule operation model for dams with gate-controlled spillways Alvaro Sordo-Ward, Iván Gabriel-Martin, Paola Bianucci, Andr... Published: 24 November 2016
Proceedings of The 1st International Electronic Conference on Water Sciences, doi: 10.3390/ecws-1-a010
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The study develops a rule operation model for gated spillways which improves the performance of the volumetric evaluation method (MEV). MEV was proposed by Giron (1988) and is largely used in common practice in Spain. The improvement was made by applying a corrective factor to the outflow discharge proposed by MEV method. The choice of the corrective factor was based on a multi-decision environment accounting for the number of improved cases and the amount of improvement. A Monte Carlo simulation environment was created to evaluate the method under a wide range of operating conditions. The environment includes the generation of storms and inflow hydrographs and their routing through the reservoir. The methodology was applied to the Talave basin, in the south-east of Spain. The improved method (called K method) was compared with other methods for the operation of gate-controlled spillways as the MEV and PLEM methods. The results showed that if the corrective factor K is higher than 1 the number of improved cases was significant, while if it is lower than 1 there was not improvement. The analysis of the relation between the return period and the devised method showed that by using the K method the percentage of improvement of both reducing maximum outflows and reducing maximum levels reached in the reservoir is greater for events with higher return periods than for the lower ones.

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