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EnglishMethods based on the seismic P-wave, seismic surface wave, and apparent resistivity are commonly used in the solution of several near-surface problems. However, the solution nonuniqueness and the intrinsic limitations of these methods can cause inconsistency in the final results. Dispersion curves of surface waves, P-wave traveltimes, and apparent-resistivity data were jointly inverted to obtain internally consistent and more reliable final model of P- and S-wave velocities and resistivity. A collection of 1D layered models was obtained by a deterministic joint inversion algorithm based on the laterally constrained inversion scheme. The three data sets were jointly inverted imposing the same structure and Poisson’s ratio was introduced as a physical link between P- and S-wave velocities to better constrain the inversion. No physical link was imposed between the resistivity and the seismic velocities. The inversion algorithm was tested on synthetic data and then applied to a field case, where benchmark borehole data were available. The synthetic and field examples provided results in agreement with the true model and the existing geologic information, respectively.
Joint inversion of seismic and electric data applied to 2D media / Garofalo, Flora; Sauvin, Guillaume; Socco, Laura; Lecomte, Isabelle. - In: GEOPHYSICS. - ISSN 0016-8033. - STAMPA. - 80:4(2015), pp. EN93-EN104. [10.1190/GEO2014-0313.1]
| Titolo: | Joint inversion of seismic and electric data applied to 2D media | |
| Autori: | ||
| Data di pubblicazione: | 2015 | |
| Rivista: | ||
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1190/GEO2014-0313.1 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
File in questo prodotto:
| File | Descrizione | Tipologia | Licenza | |
|---|---|---|---|---|
| 2015_Geophysics_Garofalo_joint inversion SW p res.pdf | 2015_Geophysics_Garofalo_joint inversion SW p res.pdf | 2. Post-print / Author's Accepted Manuscript | PUBBLICO - Tutti i diritti riservati | Visibile a tuttiVisualizza/Apri |
http://hdl.handle.net/11583/2625183
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