Articles | Volume 10, issue 6
Research article
04 Nov 2019
Research article |  | 04 Nov 2019

Anisotropic P-wave travel-time tomography implementing Thomsen's weak approximation in TOMO3D

Adrià Meléndez, Clara Estela Jiménez, Valentí Sallarès, and César R. Ranero

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Cited articles

Alkhalifah, T.: Acoustic approximations for processing in transversely isotropic media, Geophysics, 63, 623–631,, 1998. 
Alkhalifah, T.: Travel Time computation with the linearized eikonal equation for anisotropic media, Geophys. Prospect., 50, 373–382,, 2002. 
Alkhalifah, T. and Plessix, R. É.: A recipe for practical full-waveform inversion in anisotropic media: An analytical parameter resolution study, Geophysics, 79, R91–R101,, 2014. 
Almqvist B. S. G. and Mainprice, D.: Seismic properties and anisotropy of the continental crust: Predictions based on mineral texture and rock microstructure, Rev. Geophys., 55, 367–433,, 2017. 
Babuska, V. and Cara, M.: Seismic Anisotropy in the Earth, 1st edition, Kluwer Academic Publishers, Dordrecht, the Netherlands, 1991. 
Short summary
A new code for anisotropic travel-time tomography is presented. We describe the equations governing the anisotropic ray propagation algorithm and the modified inversion solver. We study the sensitivity of two medium parameterizations and compare four inversion strategies on a canonical model. This code can provide better understanding of the Earth's subsurface in the rather common geological contexts in which seismic velocity displays a weak dependency on the polar angle of ray propagation.