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 …

Data-adaptive global full-waveform inversion

S Thrastarson, DP Van Herwaarden… - Geophysical Journal …, 2022 - academic.oup.com
We present a novel approach to global-scale full-waveform inversion (FWI) that can reduce
computational cost by over an order of magnitude, compared to previously published …

Accelerated full-waveform inversion using dynamic mini-batches

DP van Herwaarden, C Boehm… - Geophysical Journal …, 2020 - academic.oup.com
We present an accelerated full-waveform inversion based on dynamic mini-batch
optimization, which naturally exploits redundancies in observed data from different sources …

Full waveform inversion beneath the central Andes: Insight into the dehydration of the Nazca slab and delamination of the back‐arc lithosphere

Y Gao, F Tilmann, DP van Herwaarden… - Journal of …, 2021 - Wiley Online Library
We present a new seismic tomography model for the crust and upper mantle beneath the
Central Andes based on multi‐scale full seismic waveform inversion, proceeding from long …

[HTML][HTML] The EU Center of Excellence for Exascale in Solid Earth (ChEESE): Implementation, results, and roadmap for the second phase

A Folch, C Abril, M Afanasiev, G Amati, M Bader… - Future Generation …, 2023 - Elsevier
Abstract The EU Center of Excellence for Exascale in Solid Earth (ChEESE) develops
exascale transition capabilities in the domain of Solid Earth, an area of geophysics rich in …

Understanding the Adjoint Method in Seismology: Theory and Implementation in the Time Domain

R Abreu - Surveys in Geophysics, 2024 - Springer
The adjoint method is a popular method used for seismic (full-waveform) inversion today.
The method is considered to give more realistic and detailed images of the interior of the …

REVEAL: A global full‐waveform inversion model

S Thrastarson, DP van Herwaarden… - Bulletin of the …, 2024 - pubs.geoscienceworld.org
We present REVEAL, a global‐scale, transversely isotropic full‐waveform inversion model.
REVEAL builds upon the earlier construction of the long‐wavelength Earth (LOWE) model …

Seismic full‐waveform inversion of the crust‐mantle structure beneath China and adjacent regions

J Ma, HP Bunge, S Thrastarson… - Journal of …, 2022 - Wiley Online Library
We present the first‐generation full‐waveform tomographic model (SinoScope 1.0) for the
crust‐mantle structure beneath China and adjacent regions. The three‐component …

Connecting beamforming and kernel-based noise source inversion

DC Bowden, K Sager, A Fichtner… - Geophysical Journal …, 2021 - academic.oup.com
Beamforming and backprojection methods offer a data-driven approach to image noise
sources, but provide no opportunity to account for prior information or iterate through an …

Seismic Tomography 2024

A Fichtner, BLN Kennett, VC Tsai… - Bulletin of the …, 2024 - pubs.geoscienceworld.org
Seismic tomography is the most abundant source of information about the internal structure
of the Earth at scales ranging from a few meters to thousands of kilometers. It constrains the …