Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/35634
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Título : The Management of a Large Mediterranean Reservoir: Storage Regimens of the Yesa Reservoir, Upper Aragon River Basin, Central Spanish Pyrenees
Autor : López-Moreno, Juan I., Beguería, Santiago, García-Ruiz, José María
Palabras clave : Reservoir
Water resources management
Fluvial regimen
Central Spanish Pyrenees
Fecha de publicación : Oct-2004
Editor: Springer
Citación : Environmental Management 34(4): 508-515 (2004)
Resumen: Agriculture in Mediterranean countries is mainly based upon the irrigation of productive areas in the lowlands. For this reason, it is necessary to store large volumes of water in reservoirs located in mountain headwaters. These reservoirs have a relatively simple regimen of storage, increasing the water stored during the wet season (from October until May) and reaching the maximum volume shortly before the beginning of the hot, very dry season, when the water is released. This paper considers the storage regimen (inflow and outflow) of the Yesa Reservoir in the Spanish Pyrenees as an example of management of a large reservoir in a mountain Mediterranean environment, subject to a strong interannual variability. On average, the highest water storage level is achieved by retaining the high flows of the Aragón River in autumn and spring. Nevertheless, the irregularity of rainfalls and the existence of changes in the hydrological regimen lead to changes in the patterns of reservoir filling. Two patterns were identified in the Yesa Reservoir: (1) a quick increase of the stored volume in autumn, a stabilization in winter, and a new increase in spring; and (2) a continuous increase from October until May. These patterns are distributed in time over different periods since the construction of the reservoir in 1959, demonstrating the adjustment of the reservoir management to changes in the hydrological regimen.
Descripción : 8 páginas, 9 figuras, 2 tablas.
Versión del editor: http://dx.doi.org/10.1007/s00267-003-0249-1
URI : http://hdl.handle.net/10261/35634
ISSN: 0364-152X
DOI: 10.1007/s00267-003-0249-1
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