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Volume 86, Number 6
November 2021
ISSN 0016-8033
EISSN 1942-2156
In this Issue
Editor's corner
This issue of Geophysics
Geophysics October 21, 2021, Vol.86, 1ND-6ND. doi:https://doi.org/10.1190/geo2021-1006-tiogeo.1
Geophysics Letters
Inversion of dry and saturated P- and S-wave velocities for the pore-aspect-ratio spectrum using a cracked porous medium elastic wave theory
Geophysics October 13, 2021, Vol.86, A57-A62. doi:https://doi.org/10.1190/geo2021-0071.1
Case Histories
3D constrained inversion of gravity and magnetic data to image basement and plutonic bodies: A case study from Dood Arale Basin, eastern Somaliland
Geophysics September 20, 2021, Vol.86, B321-B334. doi:https://doi.org/10.1190/geo2020-0578.1
3D ground-penetrating radar attributes to generate classified facies models: A case study from a dune island
Geophysics September 23, 2021, Vol.86, B335-B347. doi:https://doi.org/10.1190/geo2021-0204.1
3D electromagnetic modeling of graphitic faults in the Athabasca Basin using a finite-volume time-domain approach with unstructured grids
Geophysics September 24, 2021, Vol.86, B349-B367. doi:https://doi.org/10.1190/geo2020-0657.1
Gravimetry and petrophysics for defining the intracratonic and rift basins of the Western-Central Africa zone
Geophysics September 29, 2021, Vol.86, B369-B388. doi:https://doi.org/10.1190/geo2019-0522.1
Relaxation behavior in low-frequency complex conductivity of sands caused by bacterial growth and biofilm formation by Shewanella oneidensis under a high-salinity condition
Geophysics October 04, 2021, Vol.86, B389-B400. doi:https://doi.org/10.1190/geo2020-0213.1
Seismic imaging of the Caosiyao giant porphyry molybdenum deposit using ambient noise tomography
Geophysics October 20, 2021, Vol.86, B401-B412. doi:https://doi.org/10.1190/geo2021-0117.1
Anisotropy
Separation of split S-waves in two nonorthogonal sets of vertical fractures
Geophysics October 01, 2021, Vol.86, C157-C172. doi:https://doi.org/10.1190/geo2020-0148.1
Approximations for traveltime, slope, curvature, and geometric spreading of elastic waves in layered transversely isotropic media
Geophysics October 12, 2021, Vol.86, C173-C184. doi:https://doi.org/10.1190/geo2021-0215.1
Borehole Geophysics
Identifying reflector azimuth from borehole multicomponent cross-dipole acoustic measurement
Geophysics September 23, 2021, Vol.86, D201-D214. doi:https://doi.org/10.1190/geo2020-0460.1
Electric and magnetic dipole antennas of a directional resistivity logging-while-drilling tool for “look-around” boundary detection
Geophysics September 24, 2021, Vol.86, D215-D239. doi:https://doi.org/10.1190/geo2020-0679.1
Multiwell 3D distributed acoustic sensing vertical seismic profile imaging with engineered fibers: CO2CRC Otway Project case study
Alexey Yurikov; Konstantin Tertyshnikov; Roman Isaenkov; Evgenii Sidenko; Sinem Yavuz; Stanislav Glubokovskikh; Paul Barraclough; Pavel Shashkin; Roman Pevzner
Geophysics September 27, 2021, Vol.86, D241-D248. doi:https://doi.org/10.1190/geo2020-0670.1
Electrical and Electromagnetic Methods
The effects of well damage and completion designs on geoelectrical responses in mature wellbore environments
Geophysics September 24, 2021, Vol.86, E355-E366. doi:https://doi.org/10.1190/geo2020-0702.1
Three-dimensional controlled-source electromagnetic forward modeling by edge-based finite element with a divergence correction
Geophysics September 27, 2021, Vol.86, E367-E382. doi:https://doi.org/10.1190/geo2020-0520.1
Finite-element modeling of time-domain controlled-source electromagnetic survey with weighted Laguerre polynomials
Geophysics September 29, 2021, Vol.86, E383-E389. doi:https://doi.org/10.1190/geo2021-0010.1
Offshore-onshore resistivity imaging of freshwater using a controlled-source electromagnetic method: A feasibility study
Geophysics September 30, 2021, Vol.86, E391-E405. doi:https://doi.org/10.1190/geo2020-0906.1
Imaging subsurface orebodies with airborne electromagnetic data using a recurrent neural network
Geophysics October 19, 2021, Vol.86, E407-E419. doi:https://doi.org/10.1190/geo2020-0871.1
Engineering and Environmental Geophysics
Passive multichannel analysis of surface waves using 1D and 2D receiver arrays
Geophysics September 23, 2021, Vol.86, EN63-EN75. doi:https://doi.org/10.1190/geo2020-0104.1
Geophysical Software and Algorithms
SeReMpy: Seismic reservoir modeling Python library
Geophysics September 24, 2021, Vol.86, F61-F69. doi:https://doi.org/10.1190/geo2021-0055.1
Gravity Exploration Methods
Assessing model uncertainty for the scaling function inversion of potential fields
Geophysics September 24, 2021, Vol.86, G89-G98. doi:https://doi.org/10.1190/geo2020-0557.1
Multiscale nonlinear inversion of gravity data for depth-to-basement estimation via coupled stochastic-deterministic optimization
Geophysics September 29, 2021, Vol.86, G99-G112. doi:https://doi.org/10.1190/geo2020-0302.1
Time-lapse borehole gravity imaging of CO2 injection and withdrawal in a closed carbonate reef
Geophysics September 29, 2021, Vol.86, G113-G132. doi:https://doi.org/10.1190/geo2020-0650.1
Uncertainty analysis of 3D potential-field deterministic inversion using mixed Lp norms
Geophysics October 01, 2021, Vol.86, G133-G158. doi:https://doi.org/10.1190/geo2020-0672.1
Highly efficient density inversion of gravity data using nonlinear density polynomial fitting
Geophysics October 19, 2021, Vol.86, G159-G168. doi:https://doi.org/10.1190/geo2020-0667.1
Ground-penetrating Radar
A sliced-3D approach to finite-difference time-domain modeling by optimizing perfectly matched layers
Geophysics October 01, 2021, Vol.86, H43-H52. doi:https://doi.org/10.1190/geo2020-0222.1
Magnetic Exploration Methods
Characterizing electromagnetic interference signals for unmanned aerial vehicle geophysical surveys
Geophysics September 29, 2021, Vol.86, J21-J32. doi:https://doi.org/10.1190/geo2020-0895.1
A review of spectral analysis of magnetic data for depth estimation
Geophysics October 19, 2021, Vol.86, J33-J58. doi:https://doi.org/10.1190/geo2020-0268.1
Using airborne vector magnetic data to calculate the projection of the magnetic anomaly vector onto a normal geomagnetic field
Rukuan Xie; Shengqing Xiong; Shuling Duan; Jinlong Wang; Ping Wang; Yao Luo; Haojun Liu; Zhengguo Fan
Geophysics October 19, 2021, Vol.86, J59-J67. doi:https://doi.org/10.1190/geo2020-0582.1
Passive Seismic and Microseismic Methods
Direct microseismic event location and characterization from passive seismic data using convolutional neural networks
Geophysics September 09, 2021, Vol.86, KS109-KS121. doi:https://doi.org/10.1190/geo2020-0636.1
Road sinkhole detection with 2D ambient noise tomography
Geophysics September 27, 2021, Vol.86, KS123-KS135. doi:https://doi.org/10.1190/geo2020-0739.1
Joint microseismic moment-tensor inversion and location using P- and S-wave diffraction stacking
Geophysics September 30, 2021, Vol.86, KS137-KS150. doi:https://doi.org/10.1190/geo2021-0104.1
An introduction to distributed training of deep neural networks for segmentation tasks with large seismic data sets
Geophysics October 01, 2021, Vol.86, KS151-KS160. doi:https://doi.org/10.1190/geo2021-0130.1
Uncovering the microseismic signals from noisy data for high-fidelity 3D source-location imaging using deep learning
Geophysics October 20, 2021, Vol.86, KS161-KS173. doi:https://doi.org/10.1190/geo2021-0021.1
Real-time analysis and forecasting of the microseismic cloud size: Physics-based models versus machine learning
Geophysics October 20, 2021, Vol.86, KS175-KS186. doi:https://doi.org/10.1190/geo2021-0094.1
Reservoir Geophysics
Data-driven S-wave velocity prediction method via a deep-learning-based deep convolutional gated recurrent unit fusion network
Geophysics September 24, 2021, Vol.86, M185-M196. doi:https://doi.org/10.1190/geo2020-0886.1
Bayesian Hamiltonian Monte Carlo method for the estimation of pyrolysis parameter S1
Geophysics October 13, 2021, Vol.86, M197-M209. doi:https://doi.org/10.1190/geo2020-0795.1
Numerical modeling of seismic responses from fractured reservoirs in 4D monitoring — Part 1: Seismic responses from fractured reservoirs in carbonate and shale formations
Geophysics October 25, 2021, Vol.86, M211-M232. doi:https://doi.org/10.1190/geo2020-0812.1
Rock Physics
Numerical modeling of multifrequency complex dielectric permittivity dispersion of clay-rich rocks
Geophysics October 01, 2021, Vol.86, MR271-MR283. doi:https://doi.org/10.1190/geo2021-0003.1
Effects of material texture and packing density on the interfacial polarization of granular soils
Geophysics October 07, 2021, Vol.86, MR285-MR297. doi:https://doi.org/10.1190/geo2021-0005.1
Can fluid-substitution models continue to ignore the complex physicochemical properties of crude oil?
Mohamed R. Khodja; Syed Nizamuddin; Abdulwahab Ali; Mohamed E. Kandil; Ammar El-Husseiny; Mazen K. Nazal; Lamidi O. Babalola; Theis Solling
Geophysics October 27, 2021, Vol.86, MR299-MR314. doi:https://doi.org/10.1190/geo2021-0136.1
S-wave propagation across material discontinuities in poroelasticity
Geophysics October 28, 2021, Vol.86, MR315-MR324. doi:https://doi.org/10.1190/geo2021-0284.1
Seismic Attributes and Pattern Recognition
Data-driven edge detectors for seismic data interpretation
Geophysics October 19, 2021, Vol.86, O59-O68. doi:https://doi.org/10.1190/geo2020-0759.1
Seismic Data Acquisition
Distributed acoustic sensing/surface orbital vibrator: Rotary seismic sources with fiber-optic sensing facilitates autonomous permanent reservoir monitoring
Julia Correa; Roman Isaenkov; Sinem Yavuz; Alexey Yurikov; Konstantin Tertyshnikov; Todd Wood; Barry M. Freifeld; Roman Pevzner
Geophysics September 20, 2021, Vol.86, P61-P68. doi:https://doi.org/10.1190/geo2020-0612.1
Regularization by denoising for simultaneous source separation
Geophysics October 01, 2021, Vol.86, P69-P83. doi:https://doi.org/10.1190/geo2021-0068.1
Seismic Interferometry
Interferometric body-wave retrieval from ambient noise after polarization filtering: Application to shallow reflectivity imaging
Geophysics September 27, 2021, Vol.86, Q47-Q58. doi:https://doi.org/10.1190/geo2020-0768.1
Seismic Inversion
Introduction of the Hessian in joint migration inversion and improved recovery of structural information using image-based regularization
Geophysics September 23, 2021, Vol.86, R777-R793. doi:https://doi.org/10.1190/geo2020-0730.1
Elastic isotropic and anisotropic full-waveform inversions using automatic differentiation for gradient calculations in a framework of recurrent neural networks
Geophysics September 24, 2021, Vol.86, R795-R810. doi:https://doi.org/10.1190/geo2020-0542.1
Target-oriented inversion using the patched Green’s function method
Danyelle da Silva; Edwin Fagua Duarte; Wagner Almeida; Mauro Ferreira; Francisco Alirio Moura; João Medeiros de Araújo
Geophysics September 24, 2021, Vol.86, R811-R823. doi:https://doi.org/10.1190/geo2020-0640.1
Characterization of gas hydrate systems on the Hikurangi margin (New Zealand) through geostatistical seismic and petrophysical inversion
Geophysics September 24, 2021, Vol.86, R825-R838. doi:https://doi.org/10.1190/geo2021-0018.1
Toward autonomous event identification in wave-equation traveltime inversion
Geophysics September 29, 2021, Vol.86, R839-R848. doi:https://doi.org/10.1190/geo2020-0940.1
On the inverse problem of reflection Green’s function seismograms over stratified acoustic media: Estimation of background models
Geophysics September 30, 2021, Vol.86, R849-R864. doi:https://doi.org/10.1190/geo2021-0165.1
Time-lapse difference inversion based on the modified reflectivity method with differentiable hyper-Laplacian blocky constraint
Geophysics October 12, 2021, Vol.86, R865-R878. doi:https://doi.org/10.1190/geo2020-0153.1
A dual formulation of wavefield reconstruction inversion for large-scale seismic inversion
Geophysics October 12, 2021, Vol.86, R879-R893. doi:https://doi.org/10.1190/geo2020-0743.1
Joint seismic and petrophysical nonlinear inversion with Gaussian mixture-based adaptive regularization
Geophysics October 12, 2021, Vol.86, R895-R911. doi:https://doi.org/10.1190/geo2021-0017.1
Frequency-domain wave-equation traveltime inversion with a monofrequency component
Geophysics October 13, 2021, Vol.86, R913-R926. doi:https://doi.org/10.1190/geo2020-0708.1
3D seismic characterization of fractures using elastic P-to-S double beams
Geophysics October 13, 2021, Vol.86, R927-R937. doi:https://doi.org/10.1190/geo2020-0830.1
From acoustic to elastic inverse extended Born modeling: A first insight in the marine environment
Geophysics October 19, 2021, Vol.86, R939-R957. doi:https://doi.org/10.1190/geo2020-0916.1
Least-squares reverse time migration using convolutional neural networks
Geophysics October 20, 2021, Vol.86, R959-R971. doi:https://doi.org/10.1190/geo2021-0006.1
Seismic Migration
2.5D multifocusing imaging of crooked-line seismic surveys
Geophysics September 27, 2021, Vol.86, S355-S369. doi:https://doi.org/10.1190/geo2020-0660.1
Elastic least-squares reverse time migration based on decoupled wave equations
Geophysics September 27, 2021, Vol.86, S371-S386. doi:https://doi.org/10.1190/geo2020-0805.1
First-order particle velocity equations of decoupled P- and S-wavefields and their application in elastic reverse time migration
Geophysics October 12, 2021, Vol.86, S387-S404. doi:https://doi.org/10.1190/geo2020-0452.1
Mapping subsurface karsts and voids using directional elastic wave packets
Yinshuai Ding; Hao Hu; Adel Malallah; Michael C. Fehler; Lianjie Huang; Alireza Malehmir; Yingcai Zheng
Geophysics October 12, 2021, Vol.86, S405-S416. doi:https://doi.org/10.1190/geo2021-0027.1
Efficient iterative prestack least-squares reverse time migration through surface-offset gather compression
Geophysics October 20, 2021, Vol.86, S417-S430. doi:https://doi.org/10.1190/geo2021-0025.1
Seismic Modeling and Wave Propagation
Adaptive 27-point finite-difference frequency-domain method for wave simulation of 3D acoustic wave equation
Geophysics September 29, 2021, Vol.86, T439-T449. doi:https://doi.org/10.1190/geo2021-0050.1
A comparative study on the stress image and adaptive parameter-modified methods for implementing free surface boundary conditions in elastic wave numerical modeling
Geophysics October 01, 2021, Vol.86, T451-T467. doi:https://doi.org/10.1190/geo2020-0418.1
Pseudoelastic pure P-mode wave equation
Geophysics October 12, 2021, Vol.86, T469-T485. doi:https://doi.org/10.1190/geo2021-0084.1
Modeling viscoacoustic wave propagation using a new spatial variable-order fractional Laplacian wave equation
Geophysics October 13, 2021, Vol.86, T487-T507. doi:https://doi.org/10.1190/geo2020-0610.1
An eigenfunction representation of deep waveguides with application to unconventional reservoirs
Geophysics October 13, 2021, Vol.86, T509-T521. doi:https://doi.org/10.1190/geo2021-0201.1
An optimal finite-difference method based on the elongated stencil for 2D frequency-domain acoustic-wave modeling
Geophysics October 20, 2021, Vol.86, T523-T541. doi:https://doi.org/10.1190/geo2021-0024.1
Homotopy solutions of the acoustic eikonal equation for strongly attenuating transversely isotropic media with a vertical symmetry axis
Geophysics September 23, 2021, Vol.86, T543-T551. doi:https://doi.org/10.1190/geo2020-0747.1
Seismic Velocities and Traveltimes
High-resolution seismic velocity analysis by sign-based weighted semblance
Geophysics September 30, 2021, Vol.86, U135-U143. doi:https://doi.org/10.1190/geo2021-0173.1
Signal Processing
Reconstruction of irregular missing seismic data using conditional generative adversarial networks
Geophysics September 27, 2021, Vol.86, V471-V488. doi:https://doi.org/10.1190/geo2020-0644.1
Mask filtering to the Wigner-Ville distribution
Geophysics September 30, 2021, Vol.86, V489-V496. doi:https://doi.org/10.1190/geo2021-0193.1
Self-supervised delineation of geologic structures using orthogonal latent space projection
Geophysics September 30, 2021, Vol.86, V497-V508. doi:https://doi.org/10.1190/geo2020-0541.1
A dictionary learning method with atom splitting for seismic footprint suppression
Geophysics October 19, 2021, Vol.86, V509-V523. doi:https://doi.org/10.1190/geo2020-0681.1
Departments
Geophysics Dissertation Abstracts
Geophysics October 21, 2021, Vol.86, Z3. doi:https://doi.org/10.1190/geo2021-1006-geodis.1
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