Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/1648
Authors: Giudici, M.* 
Alfano, L.* 
Title: Effects of resistive bodies on DC electrical soundings
Issue Date: Jan-1996
Series/Report no.: 39/1
URI: http://hdl.handle.net/2122/1648
Keywords: DC electrical sounding
dipole-dipole spread
3 D mathematical modelling
Subject Classification04. Solid Earth::04.02. Exploration geophysics::04.02.04. Magnetic and electrical methods 
Abstract: Some deep DC electrical soundings, performed in alpine and apenninic areas with the continuous polar dipole-dipole spread, show apparent resistivity curves with positive slopes. Measured values of apparent resistivity reach 30000 Wm. Applying the "surface charges" method we developed three dimensional mathematical models, by means of which we can state simple rules for determining the minimum extensions of the deep resistive bodies, fundamental information for a more precise interpretation of the field results.
Appears in Collections:Annals of Geophysics

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