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| Magnetotellurik× | Seismisk Full-Waveform Inversion× | |
|---|---|---|
| Fagområde | Geofysik | Geofysik |
| Familie | Process / pipeline | Process / pipeline |
| Oprindelsesår≠ | 1953 | 1984 |
| Ophavsperson≠ | Louis Cagniard | Albert Tarantola |
| Type≠ | Electromagnetic impedance and conductivity imaging | Seismic imaging and model parameterization technique |
| Oprindelig kilde≠ | Cagniard, L. (1953). Basic theory of the magnetotelluric method of geophysical prospecting. Geophysics, 18(3), 605-635. DOI ↗ | Tarantola, A. (1984). Inversion of seismic reflection data in the acoustic approximation. Geophysics, 49(8), 1259-1266. DOI ↗ |
| Aliasser | MT | FWI |
| Relaterede | 3 | 3 |
| Resumé≠ | Magnetotellurics (MT) is a passive geophysical method that uses natural variations in Earth's magnetic and electric fields to characterize subsurface electrical conductivity. Developed by Louis Cagniard in 1953, MT measures the impedance relationship between naturally occurring magnetic fluctuations (from solar wind and ionospheric currents) and the resulting electric field, providing information about crustal and upper mantle structures. | Seismic Full-Waveform Inversion (FWI) is a computational technique that reconstructs detailed subsurface velocity and impedance models by iteratively fitting synthetic seismic waveforms to observed data. Introduced by Albert Tarantola in 1984, FWI has become the leading method for high-resolution imaging in exploration geophysics, engineering seismology, and subsurface characterization. |
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