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Información tecnológica

versión On-line ISSN 0718-0764


RODRIGUEZ, M. L; TABOADA, M. M  y  TABOADA, M. T. Variation of Major Ions in Spring Water of a Granitic System of North Western Hesperic Massif, Spain. Inf. tecnol. [online]. 2005, vol.16, n.6, pp.69-78. ISSN 0718-0764.

A study was made of the variation of different physico-chemical parameters of water from a spring in north western Spain. This spring is located in an area with frequent potential non-point source pollution that could affect the hydrological characteristics of the spring and produce deterioration in water quality. Two sampling campaigns were carried out to study the water quality variation in the area. A multiparametric probe was used to determine pH, electrical conductivity, and contents of calcium, sodium, potassium, chloride and nitrate. The results showed the water to be of neutral character, medium mineralization and high concentrations of nitrate, the latter suggesting incipient pollution of the spring water. All the parameters studied showed uniform variability with sampling time. The greatest changes were observed at the beginning of the sampling period, associated with the distribution of precipitations.

Palabras clave : spring water quality; water contamination; non-point contamination; granitic system.

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