RESPUESTA EROSIVA DE CUENCAS, CORREGIDAS MEDIANTE DIQUES DE RETENCIÓN DE SEDIMENTOS, ANTE LLUVIAS DE ALTA INTENSIDAD. CUENCA DEL RÍO QUÍPAR, SURESTE DE ESPAÑA
Abstract
The erosive response of two sub-basins after a severe rainfall event is analysed. These basin drain to the Alfonso XIII reservoir (basin of the Quípar river, affluent of the Segura river). Lithology, slope and length of the riverbeds, and basin surfaces of 29 hydrological correction dams, are calculated by digitized maps, to scale 1:5.000, and field studies. All these variables are related to the sedimentation held in each one of the dams in that rainy event. Basins where marls is the main rock formation show greater sedimentation, with a complete lack of sediments in the gypsum ones, possibly because of their greater infiltration capacity. Large basins show also greater sedimentation. The location of some dams, for the purpose that they are supposed to fulfil is questionable.Downloads
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