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| Tomografi Kerintangan Elektrik× | Ground-Penetrating Radar× | |
|---|---|---|
| Bidang | Geofizik | Geofizik |
| Keluarga | Process / pipeline | Process / pipeline |
| Tahun asal≠ | 1996 | 1989 |
| Pengasas≠ | Loke and Barker | James Davis and Anthony Annan |
| Jenis≠ | Active source resistivity mapping and subsurface imaging | Shallow subsurface electromagnetic pulse detection |
| Sumber perintis≠ | Loke, M. H., & Barker, R. D. (1996). Rapid least-squares inversion of apparent resistivity pseudosections by a quasi-Newton method. Geophysical Prospecting, 44(1), 131-152. DOI ↗ | Davis, J. L., & Annan, A. P. (1989). Ground-penetrating radar for high-resolution mapping of soil and rock stratigraphy. Geophysical Prospecting, 37(5), 531-551. DOI ↗ |
| Alias | ERT | GPR |
| Berkaitan | 3 | 3 |
| Ringkasan≠ | Electrical Resistivity Tomography (ERT) is an active-source geophysical method that maps the spatial distribution of electrical resistivity in the subsurface by injecting current between two electrodes and measuring potential differences across an array of receiver electrodes. Advanced as a practical technique by Loke and Barker in 1996, ERT has become standard for hydrogeological, environmental, and structural characterization due to its sensitivity to fluid saturation and salt content. | Ground-Penetrating Radar (GPR) is a near-surface geophysical method that uses high-frequency electromagnetic pulses (typically 10 MHz to 2.5 GHz) to image shallow subsurface structures with exceptional spatial resolution. Pioneered by Davis and Annan in 1989, GPR is widely used in archaeology, civil engineering, environmental assessment, and shallow mineral exploration due to its ability to resolve features at decimeter to centimeter scales. |
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