Uncertainty and resolution analysis of 2D and 3D inversion models computed from geophysical electromagnetic data

Z Ren, T Kalscheuer - Surveys in Geophysics, 2020 - Springer
A meaningful solution to an inversion problem should be composed of the preferred
inversion model and its uncertainty and resolution estimates. The model uncertainty …

Interparameter trade-off quantification and reduction in isotropic-elastic full-waveform inversion: Synthetic experiments and Hussar land data set application

W Pan, Y Geng, KA Innanen - Geophysical Journal International, 2018 - academic.oup.com
The problem of inverting for multiple physical parameters in the subsurface using seismic full-
waveform inversion (FWI) is complicated by interparameter trade-off arising from inherent …

Seismic imaging of the southern California plate boundary around the south-central transverse ranges using double-difference tomography

PE Share, H Guo, CH Thurber, H Zhang… - Pure and Applied …, 2019 - Springer
We derive high-resolution P and S seismic velocities (VP and VS) within the South-Central
Transverse Ranges section of the San Andreas Fault (SAF), using a new double-difference …

Resolution and covariance of the LLNL-G3D-JPS global seismic tomography model: applications to travel time uncertainty and tomographic filtering of geodynamic …

NA Simmons, BSA Schuberth, SC Myers… - Geophysical Journal …, 2019 - academic.oup.com
Resolution and covariance of global seismic tomography models are most often unknown
quantities. However, there are many potential applications of these matrices in the broad …

Seismic tomography using parameter-free Backus–Gilbert inversion

C Zaroli - Geophysical Journal International, 2019 - academic.oup.com
This proof-of-concept study presents a parameter-free, linear Backus–Gilbert inversion
scheme, tractable for seismic tomography problems. It leads to efficient computations of …

Low-latitude reduction-to-the-pole and upward continuation between arbitrary surfaces based on the partial differential equation framework

B Zuo, X Hu, M Leão-Santos, Y Cai… - Geophysical Journal …, 2021 - academic.oup.com
Magnetic surveys conducted in complex conditions, such as low magnetic latitudes, uneven
observation surfaces, or above high-susceptibility sources, pose significant challenges for …

Revealing the Internal Structure of the Great Tumulus of Apollonia by Means of Seismic Tomography

P Bogiatzis, G Vargemezis, G Tsokas… - Archaeological …, 2024 - Wiley Online Library
ABSTRACT The Great Tumulus of Apollonia in northern Greece, with a diameter of~ 100 m
and a height of 19 m, is among the largest of its kind in the region of the ancient kingdom of …

Tomographic filtering via the generalized inverse: a way to account for seismic data uncertainty

R Freissler, C Zaroli, S Lambotte… - Geophysical Journal …, 2020 - academic.oup.com
Tomographic-geodynamic model comparisons are a key component in studies of the
present-day state and evolution of Earth's mantle. To account for the limited seismic …

Application of the generalized finite-element method to the acoustic wave simulation in exploration seismology

E Sotelo, M Favino, RL Gibson Jr - Geophysics, 2021 - library.seg.org
The generalized finite-element method (GFEM) has been applied frequently to solve
harmonic wave equations, but its use in the simulation of transient wave propagation is still …

The Dulmage–Mendelsohn permutation in seismic tomography

P Bogiatzis, M Ishii, TA Davis - Geophysical Journal …, 2019 - academic.oup.com
Seismic tomography inverse problems are among the largest high-dimensional parameter
estimation tasks in Earth science. Although iterative algorithms can be used to efficiently …