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DIGITAL.CSIC
Article . 2009 . Peer-reviewed
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La participación de los yesos en la salinización de las aguas superficiales de la Cuenca del Ebro. III. Metodología de cuantificación

Authors: Navas Izquierdo, Ana;

La participación de los yesos en la salinización de las aguas superficiales de la Cuenca del Ebro. III. Metodología de cuantificación

Abstract

[EN] The present study proposes a methodology to quantify the contribution of gypsum to the salinization of surface waters in the Ebro river basin. This approach assumes the existence of chemical equilibrum, and linear regressions between ions are used in order to identify the salt that produced them. The lithological and hydrogeochemical characteristics of each catchment are also considered in order to asses the amount of calcium derived from carbonate dissolution, by means of equations of charge balance and chemical equilibrium equations in the calcite-dolomite system. Once this contribution is subtracted from total calcium concentration, it is decided whether the sulphate ion or the calcium ion is the best indicator of gypsum, based on the existence or lack of correlation between them both and also on the analysis of other relationships between the ions that contribute to salinity.

[ES] Se propone una metodología para cuantificar la participación de los yesos en la salinización de las aguas superficiales de la Cuenca del Ebro, basada en la existencia de equilibrios químicos junto con el establecimiento de regresiones lineales simples entre los iones, para identificar la sal de pocedencia. Las características litológicas e hidrogeoquímicas de cada emplazamiento han sido consideradas para estimar el calcio procedente de los carbonatos. Esta estimación se ha realizado mediante ecuaciones de balance de carga y de equilibrios químicos del sistema calcita-dolomita. Descontada del calcio total esta participación, la selección del ión sulfato o del calcio como mejor indicador del yeso, se decice a través de la existencia o no de correlación entre ambos, junto con el análisis de otras relaciones entre iones participantes de la salinidad.

Peer reviewed

Country
Spain
Related Organizations
Keywords

Cuenca del Ebro, Yesos, Cuantificación, Salinidad, Aguas superficiales

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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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impulse
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