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handle: 10261/176463
La cuenca baja del río Salado en la Pampa argentina oriental ha experimentado un cambio notable en los últimos diez años como resultado de un mayor desarrollo agrícola y ganadero, junto con un equipamiento tecnológico intensivo, así como por la industria, que afecta la calidad de las aguas superficiales y subterráneas. El estudio de las aguas superficiales y las aguas subterráneas de la cuenca baja del río Salado, utilizando más de cuarenta parámetros hidroquímicos, nos permite establecer tres sistemas hidrológicos primordiales (el sistema de aguas subterráneas, el sistema lacustre y el sistema fluvial) y los niveles de referencia de los parámetros hidroquímicos. Aunque los tres sistemas están interconectados, la huella hidroquímica de cada sistema permite su identificación clara. Además, se han determinado los principales procesos que afectan a la zona: contaminación por nitratos del agua subterránea, eutrofización de sistemas lacustres y altos niveles locales de elementos traza potencialmente tóxicos. Un proyecto de cooperación bilateral con la Universidad de Buenos Aires (Buenos Aires, Argentina) y la Generalitat de Catalunya (Cataluña, España) financió este trabajo.
The Salado River lower basin in the eastern Argentinean Pampa has experimented a notable change in the last ten years as result of agriculture and cattle-rising increased development, assisted by intensive technological equipment, as well as industry, affecting surface and groundwater quality. The study of surface waters and groundwaters of the Salado lower basin, using over forty hydrochemical parameters, allows us to establish three primordial hydrological systems (the groundwater system, the lacustrine system and the fluvial system) and the reference levels of the hydrochemical parameters. Even though the three systems are interconnected, the hydrological fingerprint of each system allows its clear identification. Furthermore, the main processes affecting the area have been determined: groundwater nitrate pollution, lacustrine systems eutrophization and local high levels of potentially toxic trace elements. A bilateral co-operation project involving the University of Buenos Aires (Buenos Aires, Argentina) and the Generalitat de Catalunya (Catalunya, Spain) supported this work.
Ajuts a les universitats i centres públics de recerca de catalunya per a accions integrades amb centres de recerca de les regions i entitats associades amb Catalunya (ACI)
Poster, XXIII General Assembly. European Geophysical Society. Nice, Francia, 20-24 Abril 1998.
Peer reviewed
Buenos Aires, Salado, Agua superficial, Agua subterránea, Argentina, Surface water, Groundwater
Buenos Aires, Salado, Agua superficial, Agua subterránea, Argentina, Surface water, Groundwater
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