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Meta Description​This technical analysis compares Centralized and Distributed high-density electrical methods, covering application scenarios, data processing architectures, and equipment costs to support scientific decision-making in geophysical exploration. I. Application Scenarios Comparison High-density electrical methods (HDEM) are pivotal in modern geophysical…

1. Principle of High-Density Electrical Resistivity Survey The high-density apparent resistivity method is an array-based exploration system evolved from DC resistivity methods. By establishing an artificial electric field through strategically deployed electrodes, this technique measures spatial resistivity variations to infer…

Geophysical Methods: A Comprehensive Guide to Electrical Resistivity Tomography (ERT) Introduction to Electrical Resistivity Tomography (ERT) Electrical Resistivity Tomography (ERT) is a well-established and versatile geophysical technique that measures the spatial distribution and contrast of electrical resistivity in the subsurface.…

Introduction This article analyzes the application of high-density electrical method in underground resistivity detection, focusing on comparing the technical characteristics of Centralized and Distributed high-density electrical measurement systems. Field experimental data from Geotech’s equipment verifies the consistency between potential measurement…