WUS256: An adjoint waveform tomography model of the crust and upper mantle of the western United States for improved waveform simulations

A Rodgers, L Krischer, M Afanasiev… - Journal of …, 2022 - Wiley Online Library
We report a new model (WUS256) of radially anisotropic seismic wavespeeds of the crust
and upper mantle of the western United States (WUS) obtained from adjoint waveform …

SASSY21: A 3‐D Seismic Structural Model of the Lithosphere and Underlying Mantle Beneath Southeast Asia From Multi‐Scale Adjoint Waveform Tomography

D Wehner, N Blom, N Rawlinson… - Journal of …, 2022 - Wiley Online Library
We present the first continental‐scale seismic model of the lithosphere and underlying
mantle beneath Southeast Asia obtained from adjoint waveform tomography (often referred …

A reduced-order variational Bayesian approach for efficient subsurface imaging

D Urozayev, B Ait-El-Fquih, I Hoteit… - Geophysical Journal …, 2022 - academic.oup.com
This work considers the reconstruction of a subsurface model from seismic observations,
which is known to be a high-dimensional and ill-posed inverse problem. Two approaches …

Source-encoded waveform inversion in the Northern Hemisphere

C Cui, E Bachmann, D Peter, Z Liu… - Geophysical Journal …, 2023 - academic.oup.com
We use source-encoded waveform inversion to image Earth's Northern Hemisphere. The
encoding method is based on measurements of Laplace coefficients of stationary …

Adjoint waveform tomography for crustal and upper mantle structure of the Middle East and Southwest Asia for improved waveform simulations using openly available …

AJ Rodgers, L Krischer, M Afanasiev… - Bulletin of the …, 2024 - pubs.geoscienceworld.org
We present a new model of radially anisotropic seismic wavespeeds for the crust and upper
mantle of a broad region of the Middle East and Southwest Asia (MESWA) derived from …

Subsurface polycrystalline reconstruction based on full waveform inversion-A 2D numerical study

J He, D Borisov, JD Fleming, M Kasemer - Materialia, 2022 - Elsevier
Microstructural mapping of polycrystalline metallic alloys is a key component in predicting
macroscopic material behavior, and non-destructive subsurface polycrystalline imaging is a …

Anelastic tomography of the Arabian plate

A Espindola‐Carmona, DB Peter… - Bulletin of the …, 2024 - pubs.geoscienceworld.org
In this study, we investigate the upper‐mantle structure of the Arabian plate based on
anelastic full‐waveform inversion. The Arabian plate is composed of two main geological …

SASSIER22: Full‐Waveform Tomography of the Eastern Indonesian Region That Includes Topography, Bathymetry, and the Fluid Ocean

D Wehner, N Rawlinson, T Greenfield… - Geochemistry …, 2022 - Wiley Online Library
We present a new 3‐D seismic structural model of the eastern Indonesian region and its
surroundings from full‐waveform inversion (FWI) that exploits seismic data filtered at periods …

Enabling uncertainty quantification in a standard full-waveform inversion method using normalizing flows

C Sun, A Malcolm, R Kumar, W Mao - Geophysics, 2024 - library.seg.org
To maximize the utility of seismic imaging and inversion results, we need to compute not
only a final image but also quantify the uncertainty in the image. Although the most thorough …

Coupling deep learning with full waveform inversion

W Ding, K Ren, L Zhang - arXiv preprint arXiv:2203.01799, 2022 - arxiv.org
Full waveform inversion (FWI) aims at reconstructing unknown physical coefficients in wave
equations using the wave field data generated from multiple incoming sources. In this work …