Mitigating the ill-posedness of first-arrival traveltime tomography using slopes: application to the eastern Nankai Trough (Japan) OBS data set

SUMMARY First-arrival traveltime tomography is one of the most used velocity model building techniques especially in sparse wide-angle acquisitions for deep crustal seismic imaging cases. Relying on the inversion of a picked attribute, the absolute traveltimes, the approach is ill-posed in terms of...

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Veröffentlicht in:	Geophysical journal international 2021-11, Vol.227 (2), p.898-921
Hauptverfasser:	Sambolian, S, Gorszczyk, A, Operto, S, Ribodetti, A, Tavakoli F., B
Format:	Artikel
Sprache:	eng
Schlagworte:	Earth Sciences Sciences of the Universe
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