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Issues
Volume 85, Number 5
September 2020
ISSN 0016-8033
EISSN 1942-2156
In this Issue
Explicit coupling of acoustic and elastic wave propagation in finite-difference simulations
Geophysics September 30, 2020, Vol.85, T293-T308. doi:https://doi.org/10.1190/geo2019-0566.1
Comparison of monotonicity challenges encountered by the inverse scattering series and the Marchenko demultiple method for elastic waves
Geophysics September 11, 2020, Vol.85, Q11-Q26. doi:https://doi.org/10.1190/geo2019-0674.1
Editor's Corner
This Issue of Geophysics
Geophysics September 14, 2020, Vol.85, 19SO-23SO. doi:https://doi.org/10.1190/geo2020-0711-fe.1
Geophysics Letters
A new decoupling and elastic propagator for efficient elastic reverse time migration
Geophysics August 17, 2020, Vol.85, A31-A36. doi:https://doi.org/10.1190/geo2019-0830.1
Case Histories
Stripping induced polarization effects from airborne electromagnetics to improve 3D conductivity inversion of a narrow palaeovalley
Geophysics July 07, 2020, Vol.85, B161-B167. doi:https://doi.org/10.1190/geo2019-0396.1
Sinkhole detection with 3D full seismic waveform tomography
Geophysics July 09, 2020, Vol.85, B169-B179. doi:https://doi.org/10.1190/geo2019-0490.1
Fine-scale velocity distribution revealed by datuming of very-high-resolution deep-towed seismic data: Example of a shallow-gas system from the western Black Sea
Geophysics July 28, 2020, Vol.85, B181-B192. doi:https://doi.org/10.1190/geo2019-0686.1
Anisotropy
Traveltime and relative geometric spreading approximation in elastic orthorhombic medium
Geophysics June 26, 2020, Vol.85, C153-C162. doi:https://doi.org/10.1190/geo2019-0811.1
Rational approximation of P-wave kinematics — Part 1: Transversely isotropic media
Geophysics August 17, 2020, Vol.85, C175-C185. doi:https://doi.org/10.1190/geo2020-0005.1
Rational approximation of P-wave kinematics — Part 2: Orhorhombic media
Geophysics September 08, 2020, Vol.85, C175-C186. doi:https://doi.org/10.1190/geo2020-0006.1
Borehole Geophysics
Time-domain induced polarization forward modeling and an apparent spectral parameter solution based on the Weibull growth model
Geophysics September 11, 2020, Vol.85, D145-D155. doi:https://doi.org/10.1190/geo2018-0693.1
On the seismic wavelet estimative and reflectivity recovering based on linear inversion: Well-to-seismic tie on a real data set from Viking Graben, North Sea
Geophysics September 11, 2020, Vol.85, D157-D165. doi:https://doi.org/10.1190/geo2019-0183.1
Electrical and Electromagnetic Methods
3D borehole-to-surface and surface electromagnetic modeling and inversion in the presence of steel infrastructure
Geophysics July 06, 2020, Vol.85, E139-E152. doi:https://doi.org/10.1190/geo2019-0034.1
Estimation and geologic interpretation of regolith chargeability and superparamagnetic susceptibility in airborne electromagnetic data
Geophysics July 14, 2020, Vol.85, E153-E162. doi:https://doi.org/10.1190/geo2019-0395.1
Fast imaging of time-domain airborne EM data using deep learning technology
Geophysics July 23, 2020, Vol.85, E163-E170. doi:https://doi.org/10.1190/geo2019-0015.1
Three-dimensional magnetotelluric numerical simulation of realistic geologic models
Geophysics July 28, 2020, Vol.85, E171-E190. doi:https://doi.org/10.1190/geo2019-0214.1
3D inversion of magnetotelluric data by using a hybrid forward-modeling approach and mesh decoupling
Geophysics September 11, 2020, Vol.85, E191-E205. doi:https://doi.org/10.1190/geo2019-0202.1
Engineering and Environmental Geophysics
Estimation of the top of the saturated zone from airborne electromagnetic data
Geophysics July 14, 2020, Vol.85, EN63-EN76. doi:https://doi.org/10.1190/geo2019-0539.1
An inexact augmented Lagrangian method for nonlinear dispersion-curve inversion using Dix-type global linear approximation
Geophysics July 28, 2020, Vol.85, EN77-EN85. doi:https://doi.org/10.1190/geo2019-0717.1
Gravity Exploration Methods
A new potential field shape descriptor using continuous wavelet transforms
Geophysics August 17, 2020, Vol.85, G81-G92. doi:https://doi.org/10.1190/geo2018-0427.1
Improving the use of the randomized singular value decomposition for the inversion of gravity and magnetic data
Geophysics August 17, 2020, Vol.85, G93-G107. doi:https://doi.org/10.1190/geo2019-0603.1
An improved terracing algorithm for potential-field data
Geophysics September 11, 2020, Vol.85, G109-G113. doi:https://doi.org/10.1190/geo2019-0129.1
Ground Penetrating Radar
On the usage of diffractions in ground-penetrating radar reflection data: Implications for time-lapse gas migration monitoring
Geophysics July 28, 2020, Vol.85, H83-H95. doi:https://doi.org/10.1190/geo2019-0343.1
Interdisciplinary Studies
Approximate Bayesian inference of seismic velocity and pore-pressure uncertainty with basin modeling, rock physics, and imaging constraints
Geophysics June 26, 2020, Vol.85, ID19-ID34. doi:https://doi.org/10.1190/geo2019-0767.1
Interpretation Methods
Data-driven identification of stratigraphic units in 3D seismic data using hierarchical density-based clustering
Aina Juell Bugge; Jan Erik Lie; Andreas K. Evensen; Espen H. Nilsen; Odd Kolbjørnsen; Jan Inge Faleide
Geophysics August 17, 2020, Vol.85, IM15-IM26. doi:https://doi.org/10.1190/geo2019-0413.1
Magnetic Exploration Methods
The IDQ curve: A tool for evaluating the direction of remanent magnetization from magnetic anomalies
Shuang Liu; Xiangyun Hu; Dalian Zhang; Bangshun Wei; Meixia Geng; Boxin Zuo; Henglei Zhang; Saeed Vatankhah
Geophysics July 28, 2020, Vol.85, J85-J98. doi:https://doi.org/10.1190/geo2019-0545.1
Mining Geophysics
Inverse modeling constrained by potential field data, petrophysics, and improved geologic mapping: A case study from prospective northwest Tasmania
Esmaeil Eshaghi; Anya M. Reading; Michael Roach; Mark Duffett; Daniel Bombardieri; Matthew J. Cracknell; John L. Everard; Grace Cumming; Stephen Kuhn
Geophysics July 28, 2020, Vol.85, K13-K26. doi:https://doi.org/10.1190/geo2019-0636.1
Passive Seismic and Microseismic Methods
Application of machine learning to microseismic event detection in distributed acoustic sensing data
Anna L. Stork; Alan F. Baird; Steve A. Horne; Garth Naldrett; Sacha Lapins; J.-Michael Kendall; James Wookey; James P. Verdon; Andy Clarke; Anna Williams
Geophysics August 17, 2020, Vol.85, KS149-KS160. doi:https://doi.org/10.1190/geo2019-0774.1
Locating passive sources on seismic reflection image in the presence of velocity errors
Geophysics September 25, 2020, Vol.85, KS161-KS170. doi:https://doi.org/10.1190/geo2019-0667.1
Reservoir Geophysics
Bayesian petroelastic inversion with multiple prior models
Geophysics June 26, 2020, Vol.85, M57-M71. doi:https://doi.org/10.1190/geo2019-0625.1
Stochastic perturbation optimization for discrete-continuous inverse problems
Geophysics July 28, 2020, Vol.85, M73-M83. doi:https://doi.org/10.1190/geo2019-0520.1
Fracture properties estimation using distributed acoustic sensing recording of guided waves in unconventional reservoirs
Geophysics September 11, 2020, Vol.85, M85-M95. doi:https://doi.org/10.1190/geo2019-0793.1
Rock Physics
Experimental assessment of the stress-sensitivity of combined elastic and electrical anisotropy in shallow reservoir sandstones
Geophysics July 28, 2020, Vol.85, MR271-MR283. doi:https://doi.org/10.1190/geo2019-0612.1
Using the Q factor to detect closed microfractures
Geophysics August 17, 2020, Vol.85, MR285-MR295. doi:https://doi.org/10.1190/geo2019-0093.1
Petrophysical properties variation of bitumen-bearing carbonates at increasing temperatures from laboratory to model
Geophysics August 17, 2020, Vol.85, MR297-MR308. doi:https://doi.org/10.1190/geo2019-0790.1
Elastic properties as indicators of heat flux into cold near-surface Arctic sediments
Geophysics September 08, 2020, Vol.85, MR309-MR323. doi:https://doi.org/10.1190/geo2019-0662.1
Seismic Amplitude Interpretation
Petrophysical properties prediction from prestack seismic data using convolutional neural networks
Geophysics August 17, 2020, Vol.85, N41-N55. doi:https://doi.org/10.1190/geo2019-0650.1
Seismic Attributes and Pattern Recognition
Quantifying and correcting residual azimuthal anisotropic moveout in image gathers using dynamic time warping
Geophysics July 23, 2020, Vol.85, O71-O82. doi:https://doi.org/10.1190/geo2019-0324.1
A statistics-based descriptor for automatic classification of scatterers in seismic sections
Geophysics September 08, 2020, Vol.85, O83-O96. doi:https://doi.org/10.1190/geo2018-0673.1
An efficient and robust scheme for the implementation of eigenstructure-based coherency algorithms
Geophysics August 31, 2020, Vol.85, O97-O108. doi:https://doi.org/10.1190/geo2019-0623.1
Seismic Data Acquisition
Delaying the source ghost to improve the ultralow-frequency response of a marine air-gun source
Geophysics September 18, 2020, Vol.85, P45-P51. doi:https://doi.org/10.1190/geo2019-0680.1
Seismic Inversion
Applied 3D salt body reconstruction using shape optimization with level sets
Geophysics September 11, 2020, Vol.85, R437-R446. doi:https://doi.org/10.1190/geo2019-0352.1
Seismic Migration
Broadband finite-difference Q-compensated reverse time migration algorithm for tilted transverse isotropic media
Geophysics June 26, 2020, Vol.85, S241-S253. doi:https://doi.org/10.1190/geo2018-0862.1
Suppressing migration image artifacts using a support vector machine method
Geophysics June 26, 2020, Vol.85, S255-S268. doi:https://doi.org/10.1190/geo2019-0157.1
Improving the image quality of elastic reverse-time migration in the dip-angle domain using deep learning
Geophysics July 23, 2020, Vol.85, S269-S283. doi:https://doi.org/10.1190/geo2019-0250.1
Least-squares reverse time migration of multiples in viscoacoustic media
Geophysics August 17, 2020, Vol.85, S285-S297. doi:https://doi.org/10.1190/geo2019-0464.1
Wavefield decomposition in arbitrary direction and an imaging condition based on stratigraphic dip
Geophysics August 17, 2020, Vol.85, S299-S312. doi:https://doi.org/10.1190/geo2019-0617.1
Least-squares diffraction imaging using shaping regularization by anisotropic smoothing
Geophysics September 11, 2020, Vol.85, S313-S325. doi:https://doi.org/10.1190/geo2019-0741.1
Seismic Modeling and Wave Propagation
A modified numerical-flux-based discontinuous Galerkin method for 2D wave propagations in isotropic and anisotropic media
Geophysics September 08, 2020, Vol.85, T257-T273. doi:https://doi.org/10.1190/geo2019-0485.1
Reducing error accumulation of optimized finite-difference scheme using the minimum norm
Geophysics September 11, 2020, Vol.85, T275-T291. doi:https://doi.org/10.1190/geo2019-0758.1
Seismic Velocities and Traveltimes
Estimating local slope in the time-frequency domain: Velocity-independent seismic imaging in the near surface
Geophysics July 28, 2020, Vol.85, U99-U107. doi:https://doi.org/10.1190/geo2019-0753.1
A robust first-arrival picking workflow using convolutional and recurrent neural networks
Geophysics August 17, 2020, Vol.85, U109-U119. doi:https://doi.org/10.1190/geo2019-0437.1
Traveltime-table compression using artificial neural networks for Kirchhoff-migration processing of microseismic data
Geophysics August 19, 2020, Vol.85, U121-U128. doi:https://doi.org/10.1190/geo2019-0427.1
P-wave velocity profile at very shallow depths in sand dunes
Geophysics August 31, 2020, Vol.85, U129-U137. doi:https://doi.org/10.1190/geo2019-0734.1
Signal Processing
Seismic-gather wavelet-stretching correction based on multiwavelet decomposition algorithm
Geophysics July 10, 2020, Vol.85, V377-V384. doi:https://doi.org/10.1190/geo2018-0835.1
Matching pursuit-based sparse spectral analysis: Estimating frequency-dependent anomalies from nonstationary seismic data
Geophysics August 17, 2020, Vol.85, V385-V396. doi:https://doi.org/10.1190/geo2018-0758.1
A nonlinear solution to 3D seismic data conditioning using trained dictionaries
Geophysics August 17, 2020, Vol.85, V397-V406. doi:https://doi.org/10.1190/geo2019-0557.1
Robust vector median filtering with a structure-adaptive implementation
Geophysics August 31, 2020, Vol.85, V407-V414. doi:https://doi.org/10.1190/geo2020-0012.1
Automated arrival-time picking using a pixel-level network
Geophysics September 11, 2020, Vol.85, V415-V423. doi:https://doi.org/10.1190/geo2019-0792.1
Contributors
Contributors
Geophysics September 18, 2020, Vol.85, Z25-Z28. doi:https://doi.org/10.1190/geo2020-0725-contrib.1
Geophysics Dissertation Abstracts
Geophysics October 01, 2020, Vol.85, Z29-Z30. doi:https://doi.org/10.1190/geo2020-0817-geodis.1
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Cover Image
Cover Image
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