GEOPHYSICS source-code archive
These are codes that accompany articles published in the
``Geophysical Software and Algorithms'' section in the journal
GEOPHYSICS .
Downloads are available as either UNIX gzipped tar files or
Windows "zip" files.
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Geophysical Software and Algorithms papers .
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Geophysical Software and Algorithms code.
List of available codes
2005-0001
Name:
Titest and Orthotest
Description:
Programs for finding the nearest VTI and Orthorhombic medium
to an arbitrary set of 21 stiffness constants
Language and environment:
ANSI C
Author(s):
Joe Dellinger
Title:
Computing the optimal TI approximation of a general elastic tensor
Citation:
GEOPHYSICS,
2005, 70, no. 5, I1-I10.
2006-0001
Name:
emd.f
Description:
A working example of solving the
electromagnetic diffusion equation using a spectral method
Language and environment:
Fortran 77
Author(s):
Jose Carcione
Title:
A spectral numerical method for electromagnetic diffusion
Citation:
GEOPHYSICS,
2006, 71, no. 1, I1-I9.
2006-0002
Name:
MMATrans
Description:
Magnitude-magnetic transform routines written in Matlab.
Language and environment:
Matlab
Author(s):
Daniela Gerovska and Marcos J. Arauzo-Bravo
Title:
Calculation of magnitude magnetic transforms with
high centricity and low dependence on the magnetization vector direction
Citation:
GEOPHYSICS,
2006, 71, no. 5, I21-I30.
2007-0001
Name:
RESINVM3D
Description:
RESINVM3D is a MATLAB package for inverting 3D Dc Resistivity and Electrical
Resistivity Tomography data.
Language and environment:
Matlab
Author(s):
Pidlisecky, A.; Haber, E.; Knight, R.
Title:
RESINVM3D: A 3D resistivity inversion package
Citation:
GEOPHYSICS,
2006, 72, no. 2, H1-H10.
2007-0002
Name:
T_direct_decon
Description:
T_direct_decon is a Fortran 90 program for performing direct
multichannel predictive deconvolution.
Language and environment:
Fortran 90
Author(s):
Porsani, M. J. and Ursin, B.
Title:
Direct multichannel predictive deconvolution
Citation:
GEOPHYSICS,
2007, 72, no. 2, H11-H27.
2007-0003
Name:
Mat_emd
Description:
Mat_emd is a Matlab program demonstrating performing
the Empirical Mode Decomposition and
Hilbert-Huang transform on seismic reflection data.
Language and environment:
Matlab 6.0 with signal-processing toolbox
Author(s):
Battista, B. M.; Knapp, C.; McGee, T.; Goebel, V.
Title:
Application of the empirical mode decomposition and Hilbert-Huang
transform to seismic reflection data
Citation:
GEOPHYSICS,
2007, 72, no. 2, H29-H37.
2007-0004
Name:
Dgwaveform
Description:
Dgwaveform efficiently creates Gaussian derivative wavelets.
Language and environment:
ANSI C, using the SU (Seismic Unix) I/O library and file format
Author(s):
Heigl, Werner M.
Title:
Computing Gaussian derivative waveforms of any order
Citation:
GEOPHYSICS,
2007, 72, no. 4, H39-H42.
2007-0005
Name:
Fdtdvisco
Description:
Fdtdvisco is an efficient FDTD algorithm for plane-wave
simulation for vertically heterogeneous attenuative media.
Language and environment:
Fortran 77, with ASCII input and output.
Author(s):
JafarGandomi, Arash; Takenaka, Hiroshi.
Title:
An efficient FDTD algorithm for plane-wave
simulation for vertically heterogeneous attenuative media
Citation:
GEOPHYSICS,
2007, 72, no. 4, H43-H53.
2008-0001
Name:
nsdcalc
Description:
Nsdcalc is a Matlab program that performs
normalised standard deviation analysis for
edge enhancement of gravity and EM potential-field datasets.
Language and environment:
Matlab 2007
Author(s):
Cooper, G.; Cowan, D.
Title:
Edge enhancement of potential field data using normalized statistics
Citation:
GEOPHYSICS,
2008, 73, no. 3, H1-H4.
2009-0001
Name:
sdToolkit
Description:
The sdToolkit demonstrates the complex step derivative method on a variety
of functions and geophysically oriented examples.
Language and environment:
Matlab
Author(s):
Abokhodair, A. A.
Title:
Complex differentiation tools for geophysical inversion
Citation:
GEOPHYSICS,
2009, 74, no. 2, H1-H11.
2009-0002
Name:
defgm
Description:
The decomposed element-free Galerkin (DEFG) method is a highly accurate method for
solving elastic wave-equation problems.
Language and environment:
Fortran 90
Author(s):
Masafumi Katou, Toshifumi Matsuoka, Hitoshi Mikada, Yoshinori Sanada, and Yuzuru Ashida
Title:
Decomposed element-free Galerkin method compared
with finite-difference method for elastic wave propagation
Citation:
GEOPHYSICS,
2009, 74, no. 3, H13-H25.
2009-0003
Name:
RTmig
Description:
One- and two-dimensional examples of least-squares reverse-time migration
using exact adjoint pairs.
Language and environment:
Fortran 90 with SEPlib
Author(s):
Jun Ji
Title:
An exact adjoint operation pair in time extrapolation and
its application in least-squares reverse-time migration
Citation:
GEOPHYSICS,
2009, 74, no. 5, H27-33.
2010-0001
Name:
f90StreamerShape
Description:
An f90 program for modeling streamer feathering.
Language and environment:
Fortran 90
Author(s):
Goutorbe, B., and Combier, V.
Title:
On the reconstruction of the shape of a seismic streamer
Citation:
GEOPHYSICS,
2010, 75, no. 1, H1-H6.
2010-0002
Name:
IAG
Description:
IAG is a routine for modeling 3D direct-current resistivity using an unstructure
d mesh
Language and environment:
C++
Author(s):
Ren, Z., and Tang, J.
Title:
3D direct current resistivity modeling with unstructured mesh by adaptive finite
-element method
Citation:
GEOPHYSICS,
2010, 75, no. 1, H7-H17.
2010-0003
Name:
ComputeDispersion
Description:
ComputeDispersion models dispersion and radial profiles in cylindrical
elastic-fluid structures
Language and environment:
Matlab
Author(s):
F. Karpfinger, H.-P. Valero, B. Gurevich, A. Bakulin, B. Sinha
Title:
Spectral-method algorithm for modeling dispersion of acoustic modes in elastic
cylindrical structures
Citation:
GEOPHYSICS,
2010, 75, no. 3, H19-H27.
2011-0001
Name:
Fdelmodc
Description:
Fdelmodc models wavefields and cross-correlates the resulting seismograms
Language and environment:
SU/C
Author(s):
J. W. Thorbecke, D. Draganov
Title:
Finite-difference modeling experiments for seismic interferometry
Citation:
GEOPHYSICS,
2011, 76, no. 6, H1-H18.
2012-0001
Name:
Polyhedron
Description:
POLYHEDRON calculates the gravitational potential and its first and second derivatives due to a homogeneous polyhedron
Language and environment:
Fortran
Author(s):
D. Tsoulis
Title:
Analytical computation of the full gravity tensor of a homogeneous arbitrarily shaped polyhedral source using line integrals
Citation:
GEOPHYSICS,
2012, 77, no. 1, F1-F11.
2012-0002
Name:
DFMPOT
Description:
DFMPOT is a MATLAB function that calculates a geometrically meaningful
deformation map by comparing magnetic and gravity gradient field data.
Language and environment:
Matlab
Author(s):
Erkan, Kamil; Jekeli, Christopher; Shum, C.
Title:
Fusion of gravity gradient and magnetic field data for discrimination of
anomalies using deformation analysis
Citation:
GEOPHYSICS,
2012, 77, no. 2, F13-F20.
2012-0003
Name:
FHTvsQWE
Description:
Comparison of the Fast Hankel Transform and Quadrature for solving EM problems
Language and environment:
Matlab
Author(s):
Key, Kerry
Title:
Is the fast Hankel transform faster than quadrature?
Citation:
GEOPHYSICS,
2012, 77, no. 2, F21-F30.
2013-0001
Name:
G2P
Description:
Finds phase direction(s) for a given ray direction in VTI media
Language and environment:
Matlab
Author(s):
Vladimir Grechka
Title:
Ray-direction velocities in VTI media
Citation:
GEOPHYSICS,
2013, 78, no. 1, F1-F5.
2013-0002
Name:
G2P
Description:
Prototype code for solving 3D anisotropic elastic wave equations on parallel GPU devices
Language and environment:
Cuda and Madagascar
Author(s):
Robin M. Weiss and Jeffrey Shragge
Title:
Solving 3D anisotropic elastic wave equations on parallel GPU devices
Citation:
GEOPHYSICS,
2013, 78, no. 2, F7-F15.
2013-0003
Name:
Foldy
Description:
A simple and exact acoustic wavefield modeling code
Language and environment:
Matlab
Author(s):
Erica Galetti, David Halliday, and Andrew Curtis
Title:
A simple and exact acoustic wavefield modeling code for data
processing, imaging, and interferometry applications
Citation:
GEOPHYSICS,
2013, 78, no. 6, F17-F27.
2014-0001
Name:
Insert_fault
Description:
Insert_fault models gravity data from a faulted basement relief
Language and environment:
Matlab
Author(s):
William A. Lima and Joao B. C. Silva
Title:
Combined modeling and smooth inversion of gravity data from a faulted basement relief
Citation:
GEOPHYSICS,
2014, 79, no. 6, F1-F10.
2015-0001
Name:
emmod
Description:
Emmod models the electromagnetic response of a layered VTI medium
Language and environment:
C/Fortran/Matlab (Matlab only required to make some of the figures)
Author(s):
Jürg Hunziker, Jan Thorbecke, and Evert Slob
Title:
The electromagnetic response in a layered vertical transverse isotropic medium:
A new look at an old problem
Citation:
GEOPHYSICS,
2015, 80, no. 1, F1-F18.
2015-0002
Name:
Quat
Description:
Optimal reorientation of geophysical sensors: A quaternion-based analytical solution
Language and environment:
Python
Author(s):
Lars Krieger and Francesco Grigoli
Title:
Optimal reorientation of geophysical sensors: A quaternion-based analytical solution
Citation:
GEOPHYSICS,
2015, 80, no. 2, F19-F30.
2015-0003
Name:
GPUFWI
Description:
A GPU implementation of time-domain full waveform inversion
Language and environment:
Cuda
Author(s):
Pengliang Yang, Jinghuai Gao, and Baoli Wang
Title:
A GPU implementation of time-domain full waveform inversion
Citation:
GEOPHYSICS,
2015, 80, no. 3, F31-F39.
2016-0001
Name:
Seiscope_Toolbox
Description:
An optimization library with some test examples
Language and environment:
F90
Author(s):
Ludovic Métivier and Romain Brossier
Title:
The SEISCOPE optimization toolbox: A large-scale nonlinear optimization library based on reverse communication
Citation:
GEOPHYSICS,
2016, 81, no. 2, F1-F15.
2016-0002
Name:
CIDRe
Description:
An irregular resampling method for scattered point data
Language and environment:
Matlab
Author(s):
Peter Menzel
Title:
Constrained indicator data resampling - A parameter constrained irregular resampling
method for scattered point data
Citation:
GEOPHYSICS,
2016, 81, no. 2, F17-F26.
2016-0003
Name:
3Dhom
Description:
Code to generate homogeneous space Green's functions for coupled electromagnetic fields and poroelastic waves
Language and environment:
Matlab
Author(s):
Evert Slob and Maarten Mulder
Title:
Seismoelectromagnetic homogeneous space Green's functions
Citation:
GEOPHYSICS,
2016, 81, no. 4, F27-F40.
2016-0004
Name:
Tesseroids
Description:
Forward modeling of gravitational fields in spherical coordinates using Tesseroids
Language and environment:
C and Python, with Jupyter workbooks
Author(s):
Leonardo Uieda, Valéria C. F. Barbosa, and Carla Braitenberg
Title:
Tesseroids: Forward modeling of gravitational fields in spherical coordinates
Citation:
GEOPHYSICS,
2016, 81, no. 5, F41-F48.
2016-0005
Name:
iemmod
Description:
Code to invert for controlled-source electromagnetic reflection responses
Language and environment:
C and Fortran 90, Matlab for plotting
Author(s):
Jürg Hunziker, Jan Thorbecke, Joeri Brackenhoff, and Evert Slob
Title:
Inversion of controlled-source electromagnetic reflection responses
Citation:
GEOPHYSICS,
2016, 81, no. 5, F49-F57.
2017-0001
Name:
FREQUIS
Description:
Calculate instantaneous frequency and phase using the Poggiagliolmi-Vesnaver method
Language and environment:
Fortran 90
Author(s):
Aldo Vesnaver
Title:
Instantaneous frequency and phase without unwrapping
Citation:
GEOPHYSICS,
2017, 82, no. 1, F1-F7.
2017-0002
Name:
Monogenic
Description:
Calculate the local amplitude, phase, and orientation of the nonscale and
Poisson's scale-space monogenic signals of potential-field data
Language and environment:
Python
Author(s):
Marlon C. Hidalgo-Gato and Valéria C. F. Barbosa
Title:
The monogenic signal of potential-field data: a Python implementation
Citation:
GEOPHYSICS,
2017, 82, no. 3, F9-F14.
2017-0003
Name:
raylee
Description:
A set of Matlab codes to perform forward modeling and inversion
of Rayleigh-wave phase- or group-velocity measurements.
Language and environment:
Matlab
Author(s):
Matthew M. Haney and Victor C. Tsai
Title:
Perturbational and nonperturbational inversion of Rayleigh-wave velocities
Citation:
GEOPHYSICS,
2017, 82, no. 3, F15-F28.
2017-0004
Name:
empymod
Description:
Empymod is a Python code that computes the 3D electromagnetic field
in a layered Earth with VTI anisotropy.
Language and environment:
Python
Author(s):
Dieter Werthmüller
Title:
An open-source full 3D electromagnetic modeler for 1D VTI media in Python: empymod
Citation:
GEOPHYSICS, 2017, 82, no. 6, WB9-WB19.
2017-0005
Name:
Eikontest
Description:
We present a method for solving the Eikonal equation in TTI media
that avoids the usual problem of numerical inaccuracies near the source.
Language and environment:
Madagascar and SCons
Author(s):
Umair bin Waheed and Tariq Alkhalifah
Title:
Fast sweeping algorithm for accurate solution
of the TTI Eikonal equation using factorization
Citation:
GEOPHYSICS,
2017, 82, no. 6, WB1-WB8.
2017-0006
Name:
m3d
Description:
m3d is an easy-to-use C++ package that calculates
the magnetic potential, the magnetic field, and the
full magnetic gradient tensor for magnetic targets.
Language and environment:
C++
Author(s):
Zhengyong Ren, Chaojian Chen, Jingtian Tang, Huang Chen,
Shuanggui Hu, Cong Zhou, and Xiao Xiao
Title:
Closed-form formula of magnetic gradient tensor
for a homogeneous polyhedral magnetic target:
a tetrahedral grid example
Citation:
GEOPHYSICS,
2017, 82, no. 6, WB21-WB28.
2017-0007
Name:
OpenSourceMarchenko
Description:
OpenSourceMarchenko implements the Marchenko method, which computes
subsurface-to-surface Green's functions using surface data.
Language and environment:
C
Author(s):
Jan Thorbecke, Evert Slob, Joeri Brackenhoff,
Joost van der Neut, and Kees Wapenaar
Title:
Implementation of the Marchenko method
Citation:
GEOPHYSICS,
2017, 82, no. 6, WB29-WB45.
2017-0008
Name:
SWIP
Description:
SWIP is a Matlab package that performs
surface-wave inversion and profiling
Language and environment:
Matlab
Author(s):
Sylvain Pasquet and Ludovic Bodet
Title:
SWIP: An integrated workflow for surface-wave
dispersion inversion and profiling
Citation:
GEOPHYSICS,
2017, 82, no. 6, WB47-WB61.
2017-0009
Name:
Sobel
Description:
The program Sobel calculates a modified version of the
Sobel attribute that makes use of local dip information.
Language and environment:
Madagascar / SCons scripts
Author(s):
Mason Phillips and Sergey Fomel
Title:
Plane wave Sobel attribute
for discontinuity enhancement in seismic images
Citation:
GEOPHYSICS,
2017, 82, no. 6, WB63-WB69.
2018-0001
Name:
Wsepa
Description:
The package "Wsepa" includes programs for modeling and migrating
separated up-going and down-going wavefields using the Hilbert transform.
Language and environment:
Madagascar / SCons scripts
Author(s):
Yikang Zheng, Yibo Wang, and Xu Chang
Title:
3D forward modeling of upgoing and downgoing wavefields using Hilbert transform
Citation:
GEOPHYSICS,
2018, 83, no. 1, F1-F8.
2018-0002
Name:
Madagascar_Overview
Description:
An overview of reproducible 3D seismic data processing and imaging using Madagascar
Language and environment:
Madagascar / SCons scripts
Author(s):
Can Oren and Robert L. Nowack
Title:
An overview of reproducible 3D seismic data processing and imaging using Madagascar
Citation:
GEOPHYSICS,
2018, 83, no. 2, F9-F20.
2018-0003
Name:
SOUNDING
Description:
SOUNDING is a MATLAB code that automatically performs partial curve matching of 1D apparent resistivity data recorded with the Schlumberger electrode array configuration.
Language and environment:
Matlab
Author(s):
Jide Ogunbo
Title:
MATLAB code for data-driven initial model of 1D Schlumberger sounding curve
Citation:
GEOPHYSICS,
2018, 83, no. 2, F21-F28.
2018-0005
Name:
jMT3DAni
Description:
jMT3DAni is a finite-volume (FV) algorithm
for magnetotelluric (MT) forward modeling
in 3D conductivity structures with general anisotropy
Language and environment:
Julia
Author(s):
Bo Han, Yuguo Li, and Gang Li
Title:
3D forward modeling
of magnetotelluric fields in general anisotropic media and its
numerical implementation in Julia
Citation:
GEOPHYSICS,
2018, 83, no. 4, F29-40.
2018-0006
Name:
SOPF
Description:
The program Streaming Orthogonal Prediction Filter (SOPF) provides
an adaptive prediction filter method based on streaming and
orthogonalization for random noise attenuation in the t-x domain.
Language and environment:
C
Author(s):
Yang Liu and Bingxiu Li
Title:
Streaming orthogonal prediction filter in the t-x
domain for random noise attenuation
Citation:
GEOPHYSICS, 83(4), F41-F48.
2018-0007
Name:
SSDM
Description:
SSDM evaluates the quality of seismic sections using a
model designed to mimic properties of the human vision system.
Language and environment:
C++
Author(s):
Ning Yang and Yi Duan
Title:
Human vision system-based structural similarity model for evaluating seismic image quality
Citation:
GEOPHYSICS, 83(5), F49-F54.
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