CAMBIO AMBIENTAL Y EQUILIBRIO DINÁMICO DE LOS CAUCES
Abstract
This paper reports a study about the alluvial channel response to variations of water and sediment discharges in the short, mean and long-term. Short term, the fluvial system incorporates partial or local variations, due to hydrological events of morphological effectiveness or alterations of immediate impact introduced by engineering works (construction of bridges, crossbeams, dikes,...). System adjustments in the mean term are found more frequently forced for human activities that originate a temporal disequilibrium on the channel. Long term the channel system experiences gradual and progressive adjustments searching a situation of equilibrium with the environmental changes. All these modes of responses are here described by separating, although in certain cases keep great relationship, resulting difficult to attribute a same morphological adjustment to an only temporal scale.Downloads
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