Abstract
Electrical methods include a series of techniques based on the study of natural (self‐potential, telluric, and magnetotelluric) and artificial (electromagnetic and electrical prospecting) electrical sources, with the electrical resistivity of the subsoil being one of the basic physical properties of these methods. In electrical prospecting applied to archaeology, buried features are characterized by having different electrical resistivity values from the medium around them, which makes them potentially detectable. Thanks to more technologically advanced software and hardware, it is possible to perform non‐invasive assessment of the archaeological potential of a site using these methods. Currently, two modalities are widely used in electrical prospecting: electrical mapping and electrical resistivity tomography in two and three dimensions. The choice of which to use depends on the objectives and extent of a given archaeological project.
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