Groundwater chemical pollution risk: assessment through a soil attenuation index |
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| Authors: | Olga Susana Heredia Alicia Fernández Cirelli |
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| Institution: | (1) Cátedra de Edafología, Facultad de Agronomia, UBA, Avenida San Martin 4453, CP: C1417DSE Buenos Aires, Argentina;(2) Centro de Estudios Transdisciplinarios del Agua, Facultad de Ciencias Veterinarias, UBA, Av. Chorroarín 280, CP: C1427CWO Buenos Aires, Argentina |
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| Abstract: | Aquifer vulnerability is frequently estimated through methodologies that don’t consider most physical and chemical soil parameters.
A soil attenuation index is proposed to estimate groundwater chemical pollution risk, that takes into account organic carbon
content, pH, cation exchange capacity, clay content, phreatic depth and landscape position. The attenuation index is constructed
by a methodology similar to that developed for water quality index. P, Mn and Zn concentrations in groundwater from selected
places were used to validate the proposed index. |
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| Keywords: | Soil properties Groundwater protection Soil attenuation index Aquifer vulnerability |
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