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Eugenio Molina Navarro

El limnoembalse de Cola de Pareja (Guadalajara): aspectos medioambientales e hidrológicos

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  • E. Molina Navarro
  • Silvia Martinez-Pérez, University of Alcalá
  • ,
  • Antonio Sastre-Merlin, University of Alcalá

The construction of small reservoir on the edge of large ones is an innovative idea designed to counteract some of the negative impacts caused by the construction and use of reservoirs. The denomination "Limno- reservoirs" is proposed here, as these water bodies are created to maintain a natural lake dynamics. Pareja's limno-reservoir is among the first limno-reservoirs in Spain, and its construction raises some questions about hydrological viability and siltation risk. The proposition of the methodologies to solve them and the evaluation of the first results is the aim of this study. A detailed water balance makes possible to affirm that, in a firs approach, the limno-reservoir is viable from the hydrological point of view, because the Ompólveda basin -Tajo's tributary at Entrepeñas reservoir- has enough water resources to guarantee the permanence of the water body, even during dry years. To assess the siltation risk, a soil loss observation network will be monitoring the Ompólveda basin for the next three years to evaluate the net erosion in the watershed and the sediment delivery to the reservoir.

Original languageSpanish
JournalBoletín Geológico y Minero
Pages (from-to)69-80
Number of pages12
Publication statusPublished - 1 Jan 2010
Externally publishedYes

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