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I. What is Electrical Resistivity Tomography (ERT)? Electrical Resistivity Tomography (ERT) is a geophysical method that reconstructs subsurface geological structures by measuring resistivity variations in underground media. By injecting direct or low-frequency current into the ground and measuring voltage differences…

Introduction to Resistivity Surveying Resistivity surveying is a crucial geophysical exploration technique widely used in geological surveys, mineral resource exploration, environmental monitoring, and engineering inspections. This article provides a comprehensive and in-depth reference for professionals and researchers in related fields…

I. Definition and Technical Framework of IP Imaging IP (Induced Polarization) imaging is a geophysical technique that measures the polarization effects of subsurface materials under electrical excitation. By analyzing the chargeability (polarization rate) and resistivity of rocks, IP imaging can…

Introduction to ERT Geophysics Electrical Resistivity Tomography (ERT) is a cutting-edge geophysical technique used to map subsurface structures by measuring electrical resistivity variations. It applies low-frequency electrical currents to the ground and records the resulting voltage changes, creating detailed 2D…

Introduction In the realm of geophysical exploration, understanding the subsurface is crucial for various applications, from mineral exploration and groundwater investigation to environmental monitoring and engineering surveys. One of the most versatile and widely used techniques for subsurface imaging is Electrical…