GeoVerse Lab
← Intelligent Geophysical Exploration Division

Electromagnetic Methods Center

Investigates subsurface electrical properties using controlled-source and magnetotelluric electromagnetic techniques, developing EM sounding and profiling methods for resistivity mapping, fluid saturation, and deep crustal investigations.

Seismic Exploration & Imaging CenterGravity & Magnetic Methods CenterElectromagnetic Methods CenterEarthquake Seismology CenterIntegrated Geophysics & Interpretation CenterInversion & Modeling CenterWell Logging & Petrophysics Center
Research Fields 13
Magnetotellurics
🌩️ Magnetotellurics
Magnetotellurics (MT) is a passive-source electromagnetic sounding technique that infers t…
Geomagnetic Deep Sounding & Long-Period MT
🧲 Geomagnetic Deep Sounding & Long-Period MT
Geomagnetic deep sounding (GDS) is a long-period electromagnetic induction method that der…
MT Data Processing, Robust & Joint Inversion
πŸ“‰ MT Data Processing, Robust & Joint Inversion
MT data processing is the set of statistical time-series techniques that convert raw, nois…
CSAMT & Controlled-Source EM Theory
πŸ“‘ CSAMT & Controlled-Source EM Theory
Controlled-source audio-frequency magnetotellurics (CSAMT) is an active-source electromagn…
Marine Controlled-Source EM
🌊 Marine Controlled-Source EM
Marine controlled-source electromagnetic (CSEM) sounding measures seafloor electric and ma…
EM Induction Theory & Analytic Forward Modeling
πŸ“ EM Induction Theory & Analytic Forward Modeling
Electromagnetic induction theory is the branch of applied electromagnetics that derives cl…
Airborne EM Systems
🚁 Airborne EM Systems
Airborne electromagnetics (AEM) is a controlled-source EM survey technique in which a tran…
Frequency-Domain Induced Polarization
⚑ Frequency-Domain Induced Polarization
Frequency-domain induced polarization (IP) is a galvanic electrical method that measures t…
Spectral & Time-Domain IP, EM Theory Synthesis
πŸ”¬ Spectral & Time-Domain IP, EM Theory Synthesis
Spectral and time-domain induced polarization (IP) characterizes the full frequency- or ti…
Ground-Penetrating Radar
πŸ“Ά Ground-Penetrating Radar
Ground-penetrating radar (GPR) images the shallow subsurface by transmitting short pulses …
DC Resistivity & Electrical Resistivity Tomography
πŸ”Œ DC Resistivity & Electrical Resistivity Tomography
Direct-current (DC) resistivity and electrical resistivity tomography (ERT) inject a stead…
Self-Potential Method
πŸ”‹ Self-Potential Method
The self-potential (SP) method is a passive electrical technique that maps naturally occur…
TEM Interpretation & EM Instrumentation
πŸ› οΈ TEM Interpretation & EM Instrumentation
Time-domain electromagnetic (TEM) interpretation is the practice of relating the decaying …