Glossary
========

Geoelectrical methods
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**spectroscopic**

- EIS: Electrical Impedance Spectroscopy
- IP: Induced Polarization
- SIP: Spectral Induced Polarization
- TDIP: Time-domain Induced Polarization


**imaging or tomography**

- ERT: Electrical Resistivity Tomography
- ERI: Electrical Resistivity Imaging
- ECT: Electrical Capacitance Tomography
- EIT: Electrical Impedance Tomography
- sEIT: spectral Electrical Impedance Tomography


EM methods
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- EMI: ElectroMagnetic Induction