Review of geoacoustic inversion in underwater acoustics

NR Chapman, EC Shang - Journal of Theoretical and …, 2021 - World Scientific
This paper reviews the progress in geoacoustic inversion over the past several decades.
The review is separated into two parts. The first part reviews developments in model-based …

A parallel tempering algorithm for probabilistic sampling and multimodal optimization

M Sambridge - Geophysical Journal International, 2014 - academic.oup.com
Non-linear inverse problems in the geosciences often involve probabilistic sampling of
multimodal density functions or global optimization and sometimes both. Efficient algorithmic …

Internal structure of ultralow-velocity zones consistent with origin from a basal magma ocean

S Pachhai, M Li, MS Thorne, J Dettmer, H Tkalčić - Nature Geoscience, 2022 - nature.com
Seismological observations reveal patches of low-velocity anomalies at the core–mantle
boundary known as ultralow-velocity zones. Despite recent advances, their origin and …

The Bayesian earthquake analysis tool

H Vasyura‐Bathke, J Dettmer… - Seismological …, 2020 - pubs.geoscienceworld.org
The Bayesian earthquake analysis tool (BEAT) is an open‐source Python software to
conduct source‐parameter estimation studies for crustal deformation events, such as …

3-D Monte Carlo surface wave tomography

X Zhang, A Curtis, E Galetti… - Geophysical Journal …, 2018 - academic.oup.com
Seismic surface wave tomography is a tried and tested method to reveal the subsurface
structure of the Earth. However, the conventional 2-step scheme of inverting first for 2-D …

Efficient trans-dimensional Bayesian inversion for geoacoustic profile estimation

SE Dosso, J Dettmer, G Steininger… - Inverse Problems, 2014 - iopscience.iop.org
This paper considers the efficiency of trans-dimensional (trans-D) Bayesian inversion based
on reversible-jump Markov-chain Monte Carlo (rjMCMC) sampling, with application to …

Trans-dimensional finite-fault inversion

J Dettmer, R Benavente, PR Cummins… - Geophysical Journal …, 2014 - academic.oup.com
This paper develops a probabilistic Bayesian approach to the problem of inferring the
spatiotemporal evolution of earthquake rupture on a fault surface from seismic data with …

Efficient hierarchical trans-dimensional Bayesian inversion of magnetotelluric data

E **ang, R Guo, SE Dosso, J Liu… - Geophysical Journal …, 2018 - academic.oup.com
This paper develops an efficient hierarchical trans-dimensional (trans-D) Bayesian algorithm
to invert magnetotelluric (MT) data for subsurface geoelectrical structure, with unknown …

Depth-dependent geoacoustic inferences with dispersion at the New England Mud Patch via reflection coefficient inversion

J Belcourt, CW Holland, SE Dosso… - IEEE Journal of …, 2019 - ieeexplore.ieee.org
Depth-dependent geoacoustic properties are inferred from wide-angle frequency-domain
reflection-coefficient data at two sites with different mud-layer thicknesses on the New …

Geophysical imaging using trans-dimensional trees

R Hawkins, M Sambridge - Geophysical Journal International, 2015 - academic.oup.com
In geophysical inversion, inferences of Earth's properties from sparse data involve a trade-off
between model complexity and the spatial resolving power. A recent Markov chain Monte …