Influence of the Yesa reservoir on floods of the Aragon River, central Spanish Pyrenees

被引：38

作者：

López-Moreno, JI ^{[1
]}

Beguería, S ^{[1
]}

García-Ruiz, JM ^{[1
]}

机构：

[1] CSIC, Inst Pirenaico Ecol, E-50080 Zaragoza, Spain

来源：

HYDROLOGY AND EARTH SYSTEM SCIENCES | 2002年 / 6卷 / 04期

关键词：

reservoir; flood control; flood seasonality; flood frequency; river regime; Pyrenees;

D O I：

10.5194/hess-6-753-2002

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

The Yesa reservoir, the largest Pyrenean reservoir, was constructed in 1959 to supply water to new irrigated areas in the Ebro Depression, NE Spain. It is filled from October to May-June and then releases large quantities of water in the summer via the Bardenas Canal. The results confirm that the frequency of floods downstream of the dam decreased. The reduction mainly depends on two factors: i) the water storage level, and ii) the season of the year. Floods are very well controlled when the reservoir level is lower than 50%. Between 50 and 70%, only the highest floods are controlled. Finally, the reservoir retains mainly autumn and spring floods; most winter floods are released downstream to ensure the safety of the dam.

引用

页码：753 / 762

页数：10

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HYDROLOGICAL SCIENCES JOURNAL-JOURNAL DES SCIENCES HYDROLOGIQUES, 2001, 46 (03) :349-362

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