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Revista Brasileira de Geofísica

Print version ISSN 0102-261X

Abstract

OLIVEIRA, Mônica Teixeira de; MOREIRA, César Augusto  and  MENEZES, Aline Muriel da Cunha. Aplicação do método de Polarização Induzida em área de disposição de resíduos sólidos no município de Caçapava do Sul - RS. Rev. Bras. Geof. [online]. 2011, vol.29, n.2, pp. 377-384. ISSN 0102-261X.  http://dx.doi.org/10.1590/S0102-261X2011000200012.

The geophysics is an effective method for investigation of contaminated areas for the most several types of pollutants, mainly in areas of disposition of residues solid, used in the characterization of contrasts of physical properties in the presence of pollutant substances. This work applies the Polarization Induced method in waste landfill, located in Caçapava do Sul city (RS). The landfill this seated on fractured metamorphic rocks, belonging to the Vacacaí Metamorphic Complex (Neoproterozoic). Were accomplished 8 lines of electric profiling, with spacing of 5 m between electrodes and 10 investigation levels. Were also accomplished 83 measures of strike and dip fractures. The geophysical result allows characterize the layer of residues for low chargeability values. Vertical anomalies below the layer of residues are interpreted as fracture zones with possible leachate accumulation, characterized by low chargeability values.

Keywords : leachate; waste; fracture; chargeability.

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