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 …
Deformation of crust and upper mantle in central Tibet caused by the northward subduction and slab tearing of the Indian lithosphere: New evidence based on shear …
Shear-wave splitting provides insight into geodynamic processes such as lithospheric
deformation and upper mantle flow. This study presents shear wave splitting parameters …
deformation and upper mantle flow. This study presents shear wave splitting parameters …
Reverse time migration of acoustic waves for imaging based defects detection for concrete and CFST structures
Ultrasonic non-destructive testing (NDT) technology has been widely used for defect
inspection of concrete structures in civil engineering. However, most of the current data …
inspection of concrete structures in civil engineering. However, most of the current data …
Physics-guided deep autoencoder to overcome the need for a starting model in full-waveform inversion
Full-waveform inversion (FWI) is a popular technique to obtain high-resolution estimates of
earth model parameters using all information present in seismic data. Thus, it can provide …
earth model parameters using all information present in seismic data. Thus, it can provide …
Tunnel detection at Yuma Proving Ground, Arizona, USA—Part 1: 2D full-waveform inversion experiment
Y Wang, RD Miller, SL Peterie, SD Sloan… - …, 2019 - pubs.geoscienceworld.org
We have applied time domain 2D full-waveform inversion (FWI) to detect a known 10 m
deep wood-framed tunnel at Yuma Proving Ground, Arizona. The acquired seismic data …
deep wood-framed tunnel at Yuma Proving Ground, Arizona. The acquired seismic data …
Swell-noise attenuation: A deep learning approach
Noise attenuation for ordinary images using machine learning technology has achieved
great success in the computer vision field. However, directly applying these models to …
great success in the computer vision field. However, directly applying these models to …
Cavity detection by SH-wave full-waveform inversion—A reflection-focused approach
The detection of cavities with geophysical methods is a challenging task for which a general
approach has not yet been found. We have found that viscoelastic SH full-waveform …
approach has not yet been found. We have found that viscoelastic SH full-waveform …
Geologic forward prospecting using improved tunnel-seismic-while-drilling method: A case study of the water supply project at Songhua River, Jilin, China
Unexpected geologic heterogeneities in tunnel lines often cause safety issues and
economic losses during excavation using tunnel boring machines (TBMs). Therefore …
economic losses during excavation using tunnel boring machines (TBMs). Therefore …
2d near‐surface full‐waveform tomography reveals bedrock controls on critical zone architecture
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 …
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
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 …
surface velocity estimation by iteratively updating the P-wave velocity model to minimize the …