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 …
1970s. Its ultimate goal is to use all of the information in a seismogram to understand the …
A review of the spectral, pseudo‐spectral, finite‐difference and finite‐element modelling techniques for geophysical imaging
J Virieux, H Calandra, RÉ Plessix - Geophysical Prospecting, 2011 - earthdoc.org
Modelling methods are nowadays at the heart of any geophysical interpretation approach.
These are heavily relied upon by imaging techniques in elastodynamics and …
These are heavily relied upon by imaging techniques in elastodynamics and …
Measuring the misfit between seismograms using an optimal transport distance: Application to full waveform inversion
Full waveform inversion using the conventional L 2 distance to measure the misfit between
seismograms is known to suffer from cycle skipping. An alternative strategy is proposed in …
seismograms is known to suffer from cycle skipping. An alternative strategy is proposed in …
[图书][B] Full seismic waveform modelling and inversion
A Fichtner - 2010 - books.google.com
Recent progress in numerical methods and computer science allows us today to simulate
the propagation of seismic waves through realistically heterogeneous Earth models with …
the propagation of seismic waves through realistically heterogeneous Earth models with …
Global adjoint tomography: first-generation model
E Bozdağ, D Peter, M Lefebvre… - … Supplements to the …, 2016 - academic.oup.com
We present the first-generation global tomographic model constructed based on adjoint
tomography, an iterative full-waveform inversion technique. Synthetic seismograms were …
tomography, an iterative full-waveform inversion technique. Synthetic seismograms were …
Direct inversion of surface wave dispersion for three-dimensional shallow crustal structure based on ray tracing: methodology and application
We propose a method to invert surface wave dispersion data directly for 3-D variations of
shear wave speed, that is, without the intermediate step of phase or group velocity maps …
shear wave speed, that is, without the intermediate step of phase or group velocity maps …
CyberShake: A physics-based seismic hazard model for southern California
CyberShake, as part of the Southern California Earthquake Center's (SCEC) Community
Modeling Environment, is developing a methodology that explicitly incorporates …
Modeling Environment, is developing a methodology that explicitly incorporates …
Misfit functions for full waveform inversion based on instantaneous phase and envelope measurements
Resolution in seismic tomography intimately depends on data coverage, with different parts
of seismograms sensitive to different parts of Earth's structure. In classical seismic …
of seismograms sensitive to different parts of Earth's structure. In classical seismic …
Full‐3‐D tomography for crustal structure in southern California based on the scattering‐integral and the adjoint‐wavefield methods
We have successfully applied full‐3‐D tomography (F3DT) based on a combination of the
scattering‐integral method (SI‐F3DT) and the adjoint‐wavefield method (AW‐F3DT) to …
scattering‐integral method (SI‐F3DT) and the adjoint‐wavefield method (AW‐F3DT) to …
[图书][B] Computational seismology: a practical introduction
H Igel - 2017 - books.google.com
This book is an introductory text to a range of numerical methods used today to simulate time-
dependent processes in Earth science, physics, engineering, and many other fields. The …
dependent processes in Earth science, physics, engineering, and many other fields. The …