Monte Carlo methods in geophysical inverse problems

M Sambridge, K Mosegaard - Reviews of Geophysics, 2002 - Wiley Online Library
Monte Carlo inversion techniques were first used by Earth scientists more than 30 years
ago. Since that time they have been applied to a wide range of problems, from the inversion …

Seismic traveltime tomography of the crust and lithosphere

N Rawlinson, M Sambridge - Advances in geophysics, 2003 - books.google.com
Seismic data represent one of the most valuable resources for investigating the internal
structure and composition of the earth. One of the first people to deduce earth structure from …

Spherical and ellipsoidal volcanic sources at Long Valley caldera, California, using a genetic algorithm inversion technique

KF Tiampo, JB Rundle, J Fernandez… - Journal of Volcanology …, 2000 - Elsevier
We model the second inflation period at Long Valley caldera, California using a genetic
algorithm technique and high quality geodetic measurements of elevation changes and …

Crustal structure in southern Korea from joint analysis of regional broadband waveforms and travel times

SJ Chang, CE Baag - Bulletin of the Seismological …, 2006 - pubs.geoscienceworld.org
Regional broadband waveforms and travel times of seismic phases are combined to model
crustal structure in regions where the signal-to-noise ratio (snr) of waveforms is low. The …

Adaptive splines and genetic algorithms

J Pittman - Journal of Computational and Graphical Statistics, 2002 - Taylor & Francis
Most existing algorithms for fitting adaptive splines are based on nonlinear optimization
and/or stepwise selection. Stepwise knot selection, although computationally fast, is …

Migration velocity analysis using a genetic algorithm [Link]

P Docherty, R Silva, S Singh, ZM Song… - Geophysical …, 1997 - earthdoc.org
Migration velocity analysis, a method for determining long wavelength velocity structure, is a
critical step in prestack imaging. Solution of this inverse problem is made difficult by a …

Using a genetic algorithm to model broadband regional waveforms for crustal structure in the western United States

J Bhattacharyya, AF Sheehan… - Bulletin of the …, 1999 - pubs.geoscienceworld.org
In this study, we analyze regional seismograms to obtain the crustal structure in the eastern
Great Basin and western Colorado plateau. Adopting a forward-modeling approach, we …

Fine‐scale seismic structure of young upper crust at 17 20′ S on the fast spreading East Pacific Rise

SA Hussenoeder, RS Detrick, GM Kent… - Journal of …, 2002 - Wiley Online Library
The detailed upper crustal structure of the East Pacific Rise (EPR) at 17° 20′ S is examined
by applying a genetic algorithm‐based waveform inversion to five multichannel seismic …

Volcanic source inversion using a genetic algorithm and an elastic-gravitational layered earth model for magmatic intrusions

KF Tiampo, J Fernández, G Jentzsch, M Charco… - Computers & …, 2004 - Elsevier
Here we present an inversion methodology using the combination of a genetic algorithm
(GA) inversion program, and an elastic-gravitational earth model to determine the …

Shallow seismic velocity structure of the Chicxulub impact crater from modelling of Rg dispersion using a genetic algorithm

GD Mackenzie, PKH Maguire, P Denton, J Morgan… - Tectonophysics, 2001 - Elsevier
A 20 element seismic array was deployed onshore across the 65Ma. Chicxulub impact
crater, Yucatan, Mexico as part of an integrated onshore–offshore seismic experiment …