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The present paper deals with the 3D modeling of a resistivity data set, carried out over the Chaves graben where the hot springs, with a temperature reaching 78°C, have a great economic importance. The main objective of the modeling was to incorporate the partial knowledge obtained from previous 1D and 2D interpretations into a three dimensional model. The 3D models of three rectangles and two dipole-dipole...
In an attempt to define the resistivity model of the Chaves geothermal field in NE Portugal, a detailed survey with scalar audiomagnetotelluric measurements was performed. The soundings were made in the frequency range from 2300 to 4.1 Hz. Electrical resistivity models were derived from the application of 1-D inversion, 2-D trial and error modeling and 2-D inversion procedures. The resistivities...
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