Seismic wavefield imaging of Earth's interior across scales

J Tromp - Nature Reviews Earth & Environment, 2020 - nature.com
Seismic full-waveform inversion (FWI) for imaging Earth's interior was introduced in the late
1970s. Its ultimate goal is to use all of the information in a seismogram to understand the …

Rayleigh wave dispersion spectrum inversion across scales

Z Zhang, E Saygin, L He, T Alkhalifah - Surveys in Geophysics, 2021 - Springer
Traditional approaches of using dispersion curves for S-wave velocity reconstruction have
limitations, principally, the 1D-layered model assumption and the automatic/manual picking …

[HTML][HTML] Forward prediction for tunnel geology and classification of surrounding rock based on seismic wave velocity layered tomography

B Liu, J Wang, S Yang, X Xu, Y Ren - Journal of Rock Mechanics and …, 2023 - Elsevier
Excavation under complex geological conditions requires effective and accurate geological
forward-prospecting to detect the unfavorable geological structure and estimate the …

Critical zone structure by elastic full waveform inversion of seismic refractions in a sandstone catchment, central Pennsylvania, USA

X Liu, T Zhu, J Hayes - Journal of Geophysical Research: Solid …, 2022 - Wiley Online Library
Seismic imaging provides key information for revealing structures within Earth's critical zone
(CZ) and quantifying subsurface fluid properties. The P‐wave velocity (Vp) models estimated …

3-D multicomponent full waveform inversion for shallow-seismic target: Ettlingen Line case study

TM Irnaka, R Brossier, L Métivier… - Geophysical Journal …, 2022 - academic.oup.com
In this work, we investigate methodological development and application of viscoelastic full
waveform inversion to a multicomponent source and receiver data set at the near-surface …

Near-surface 2D imaging via FWI of DAS data: An examination on the impacts of FWI starting model

MBS Yust, BR Cox, JP Vantassel, PG Hubbard… - Geosciences, 2023 - mdpi.com
Full waveform inversion (FWI) and distributed acoustic sensing (DAS) are powerful tools with
potential to improve how seismic site characterization is performed. FWI is able to provide …

Using convolutional neural networks to develop starting models for near-surface 2-D full waveform inversion

JP Vantassel, K Kumar, BR Cox - Geophysical Journal …, 2022 - academic.oup.com
Non-invasive subsurface imaging using full waveform inversion (FWI) has the potential to
fundamentally change near-surface (< 30 m) site characterization by enabling the recovery …

Well-log information-assisted high-resolution waveform inversion based on deep learning

S Yang, T Alkhalifah, Y Ren, B Liu… - IEEE Geoscience and …, 2023 - ieeexplore.ieee.org
The high-resolution waveform inversion for seismic velocities is gaining increasing interest
as we start to deal with complex structures. Although full waveform inversion (FWI) has been …

2d near‐surface full‐waveform tomography reveals bedrock controls on critical zone architecture

BJ Eppinger, WS Holbrook, Z Liu… - Earth and Space …, 2024 - Wiley Online Library
For decades, seismic imaging methods have been used to study the critical zone, Earth's
thin, life‐supporting skin. The vast majority of critical zone seismic studies use traveltime …

Early arrival waveform inversion using data uncertainties and matching filters with application to near-surface seismic refraction data

A Cai, CA Zelt - Geophysics, 2022 - library.seg.org
We develop an early arrival waveform inversion (EAWI) technique for high-resolution near-
surface velocity estimation by iteratively updating the P-wave velocity model to minimize the …