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 …
The method is considered to give more realistic and detailed images of the interior of the …
Passive surface-wave waveform inversion for source-velocity joint imaging
C Zhou, J **a, F Cheng, J Pang, X Chen, H **ng… - Surveys in …, 2022 - Springer
Reliable dispersion measurement between two seismic stations is an essential basis of
surface wave imaging. Noise source directivity has become an inescapable obstacle and a …
surface wave imaging. Noise source directivity has become an inescapable obstacle and a …
Full‐waveform tomography of the African Plate using dynamic mini‐batches
We present a seismic model of the Africa Plate, constructed with the technique of full‐
waveform inversion. The purpose of our model is to serve as a foundation for quantitative …
waveform inversion. The purpose of our model is to serve as a foundation for quantitative …
CC‐FJpy: A python package for extracting overtone surface‐wave dispersion from seismic ambient‐noise cross correlation
In the past two decades, seismic ambient‐noise cross correlation (CC) has been one of the
most important technologies in seismology. Usually, only the fundamental‐mode surface …
most important technologies in seismology. Usually, only the fundamental‐mode surface …
Data-adaptive global full-waveform inversion
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 …
computational cost by over an order of magnitude, compared to previously published …
REVEAL: A global full‐waveform inversion model
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 …
REVEAL builds upon the earlier construction of the long‐wavelength Earth (LOWE) model …
Connecting beamforming and kernel-based noise source inversion
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 …
sources, but provide no opportunity to account for prior information or iterate through an …
Global P‐Wave and Joint S‐Wave Tomography in the North Pacific: Implications for Slab Geometry and Evolution
Y Fu, Z Wang, M Obayashi - Journal of Geophysical Research …, 2023 - Wiley Online Library
We presented two high‐resolution, three‐dimensional (3D) global P‐and joint S‐wave
velocity models of the whole mantle with a particular focus on the North Pacific realm using …
velocity models of the whole mantle with a particular focus on the North Pacific realm using …
SeisNoise. jl: Ambient seismic noise cross correlation on the CPU and GPU in Julia
We introduce SeisNoise. jl, a library for high‐performance ambient seismic noise cross
correlation, written entirely in the computing language Julia. Julia is a new language, with …
correlation, written entirely in the computing language Julia. Julia is a new language, with …
Adjoint tomography of ambient noise data and teleseismic P waves: Methodology and applications to central California
Adjoint tomography has been recently applied to ambient seismic noise and teleseismic P
waves separately to unveil fine‐scale lithospheric structures beyond the resolving ability of …
waves separately to unveil fine‐scale lithospheric structures beyond the resolving ability of …