Joint estimation of S-wave velocity and dam** ratio of the near-surface from active Rayleigh wave surveys processed with a wavefield decomposition approach

P Bergamo, S Maranò, D Fäh - Geophysical Journal …, 2023 - academic.oup.com
The use of surface wave measurements to derive an S-wave velocity profile of the
subsurface has become a widely applied procedure; however, their potential use to …

Challenges in shallow target reconstruction by 3D elastic full-waveform inversion—Which initial model?

D Teodor, C Comina, F Khosro Anjom, R Brossier… - Geophysics, 2021 - library.seg.org
Elastic full-waveform inversion (FWI) is a powerful tool for high-resolution subsurface
multiparameter characterization. However, 3D FWI applied to land data for near-surface …

SphGLLTools: A toolbox for visualization of large seismic model files based on 3D spectral-element meshes

C Ciardelli, E Bozdağ, D Peter, S van der Lee - Computers & Geosciences, 2022 - Elsevier
Adjoint tomography, a full-waveform inversion technique based on 3D wave simulations,
has become a commonly used tool in passive-source seismology, drawing on advances in …

Imaging near-surface heterogeneities with high accuracy by dispersion curves analysis and 3D elastic full-waveform inversion: Which acquisition layout?

D Teodor, C Comina, L Valentina Socco… - … Exposition and Annual …, 2021 - onepetro.org
We apply an integrated workflow, based on surface wave (SW) analysis and 3D elastic full-
waveform inversion (FWI), to image shallow heterogeneities with high resolution. The study …

[PDF][PDF] Applied Geophysics

D TEODOR - 2020 - researchgate.net
Retrieving the physical properties of the shallow subsurface has various uses, from the site
characterization for seismic hazard analysis (based on the S-wave velocity model), to the …