Advances in electric resistivity tomography. Theory and case studies
In this work, we aim to investigate the advances in ERT investigation made during the last years for near-surface applications, discussing the role played by the main parameters on data acquisition, forward modeling, and inversion and presenting strategies for removing the ambiguities arising in interpretation of geoelectric models. In Section 2.1, electric theory was briefly introduced considering electrodes both as point sources (commonly used approximation for ERT modeling) and as finite-length objects.