Localized adaptive waveform inversion: theory and numerical verification

P Yong, R Brossier, L Métivier… - Geophysical Journal …, 2023 - academic.oup.com
Correctly interpreting phase events thanks to data processing techniques based on
correlation or deconvolution has been the focus of numerous studies in the field of high …

A comparison of methods to estimate seismic phase delays: Numerical examples for coda wave interferometry

TD Mikesell, AE Malcolm, D Yang… - Geophysical Journal …, 2015 - academic.oup.com
Time-shift estimation between arrivals in two seismic traces before and after a velocity
perturbation is a crucial step in many seismic methods. The accuracy of the estimated …

A 3‐D spectral‐element and frequency‐wave number hybrid method for high‐resolution seismic array imaging

P Tong, D Komatitsch, TL Tseng… - Geophysical …, 2014 - Wiley Online Library
We present a three‐dimensional (3‐D) hybrid method that interfaces the spectral‐element
method (SEM) with the frequency‐wave number (FK) technique to model the propagation of …

Interpreting spatially stacked Sp receiver functions

V Lekić, KM Fischer - Geophysical Journal International, 2017 - academic.oup.com
Conversions of shear waves (S) to compressional waves (P), often analysed as Sp receiver
functions, are useful for studying upper-mantle layering, and have been used to map upper …

Extended wave-equation imaging conditions for passive seismic data

B Witten, J Shragge - Geophysics, 2015 - pubs.geoscienceworld.org
The information obtained from seismic monitoring at injection sites is often limited to seismic
event properties (eg, location, origin time, moment tensor), the accuracy of which greatly …

P and S Wave Receiver Function Imaging of Subduction With Scattering Kernels

SM Hansen, B Schmandt - Geochemistry, Geophysics …, 2017 - Wiley Online Library
A method for scattered wave imaging in 3‐D with both teleseismic P and S wave receiver
function data is introduced. The approach relies on body‐wave scattering kernels that are …

Imaging upper‐mantle structure under USArray using long‐period reflection seismology

PM Shearer, J Buehler - Journal of Geophysical Research …, 2019 - Wiley Online Library
Topside reverberations off mantle discontinuities are commonly observed at long periods,
but their interpretation is complicated because they include both near‐source and near …

On the sensitivity of teleseismic full-waveform inversion to earth parametrization, initial model and acquisition design

S Beller, V Monteiller, L Combe… - Geophysical Journal …, 2018 - academic.oup.com
Full-waveform inversion (FWI) is not yet a mature imaging technology for lithospheric
imaging from teleseismic data. Therefore, its promise and pitfalls need to be assessed more …

Multimode 3‐D Kirchhoff migration of receiver functions at continental scale

F Millet, T Bodin, S Rondenay - Journal of Geophysical …, 2019 - Wiley Online Library
Receiver function analysis is widely used to image sharp structures in the Earth, such as the
Moho or transition zone discontinuities. Standard procedures either rely on the assumption …

Common conversion point stacking of receiver functions versus passive-source reverse time migration and wavefield regularization

X Shang, MV de Hoop… - Geophysical Journal …, 2017 - academic.oup.com
We demonstrate with synthetic and field data that with sufficiently dense sampling wave-
equation-based methods such as reverse time migration (RTM), implicitly forming array …