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Aplicación de análisis cluster y correlación al comportamiento geoquímico de los elementos traza y su impacto en la calidad del agua del acuífero detrítico de Madrid (España)

Publicated to:Spanish Journal of Rural Development. 5 (2): 85-92 - 2014-01-01 5(2), DOI: 10.5261/2014.gen2.08

Authors: Anguiano Mañero, María L; Gómez Artola, Carmen; López-Vera, Fernando; Hernández Torrego, E

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Abstract

The scope of this work is the performing of a multivariant analysis of trace and minority elements from sixteen water samples recollected in wells of Terciary Detritic of Madrid. The purpose of this statistical approach was to found a possible relation between the various trace elements analyzed in groundwater and its presence in the minerals that compound detrital materials igneous and metamorphic origin that make up the aquifer. In this sense, the result of factor analysis shows a strong correlation between the B with I-Cu-Sr-Ti-V-Sb. Also the Sb with Sr-Sn-I, As with Va, Se with Y-Zr, Cu with Y-Sb-I Br and Cr with Ba-Cd. These relationships are responding to the geochemical behavior existence in the aquifer. Cluster analysis confirmed in most instances the relationship between various trace elements. It also characterized the toxic risk of these trace elements as a preventive measure in relation to the new Royal Decree 140/2003 concerning the maximum levels allowed in drinking water.

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