electromagnetic method Argentina 10 Electromagnetic induction 6 South America 6 data acquisition 6 visualization 6 Archaeological prospecting 4 Computer simulation 4 Daily variations 4 Data acquisition 4 Electrical imaging 4 Geo-electromagnetic induction 4 Geophysics 4 Non-uniform inducing fields 4 Source effects 4 archaeology 4 coastal morphology 4 data inversion 4 electrical method 4 induced polarization 4 magnetotelluric method 4 3D-electrical imaging 2 Arbitrary sections 2 Archaeological site 2 Conservation of Natural Resources 2 Different frequency 2 Direct observations 2 Efficiency 2 Electric conductivity 2 Electric field effects 2