- You have accessAccess DeniedThis issue of GeophysicsGeophysics, v. 82, i. 4, p. JA1-JA4, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2017-0522-tiogeo.1

- You have accessAccess DeniedEfficient anisotropic dip filtering via inverse correlation functionsPaul Wellington, Romain Brossier, Okba Hamitou, Phuong-Thu Trinh, Jean VirieuxGeophysics, v. 82, i. 4, p. A31-A35, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2016-0552.1
- Open AccessSubsurface-domain, interferometric objective functions for target-oriented waveform inversionIvan Vasconcelos, Matteo Ravasi, Joost van der NeutGeophysics, v. 82, i. 4, p. A37-A41, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0608.1

- You have accessAccess DeniedProcessing and quality-control strategies for consistent time-lapse seismic attributes: A case history on an internal blowout using vintage dataHung Nho Dinh, Mirko van der Baan, Martin LandrøGeophysics, v. 82, i. 4, p. B135-B146, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2016-0448.1
- You have accessAccess DeniedSurveying
*Batavia*’s Graveyard: Geophysical controlled experiments and subsurface imaging of archaeological sites on an Indian Ocean coral islandJeffrey Shragge, David Lumley, Nader Issa, Tom Hoskin, Alistair Paterson, Jeremy GreenGeophysics, v. 82, i. 4, p. B147-B163, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0531.1

- You have accessAccess DeniedElectrical properties and its correlation to the petrology of the Upper Yangtze organic shalesLanfang He, Ling Chen, Xuben Wang, Zhengjiang Wang, Bing Zhang, Ligui Xu, Xuejun Liu, Weili Li, Rujun ChenGeophysics, v. 82, i. 4, p. D199-D209, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2016-0203.1
- You have accessAccess DeniedDispersive and directional electrical conductivity and dielectric permittivity of conductive-mineral-bearing samples derived from multifrequency tensor electromagnetic induction measurementsSiddharth Misra, Carlos Torres-Verdín, Dean Homan, John RasmusGeophysics, v. 82, i. 4, p. D211-D223, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2016-0336.1
- You have accessAccess DeniedReliability of velocity measurements made by monopole acoustic logging-while-drilling tools in fast formationsHua Wang, Michael Fehler, Douglas MillerGeophysics, v. 82, i. 4, p. D225-D233, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0387.1
- You have accessAccess DeniedSonic properties as a signature of overpressure in the Marcellus gas shale of the Appalachian BasinYaneng Zhou, Saeid Nikoosokhan, Terry EngelderGeophysics, v. 82, i. 4, p. D235-D249, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0547.1
- You have accessAccess DeniedSimulation and interpretation of sonic waveforms in high-angle and horizontal wellsRuijia Wang, Wilberth Herrera, Carlos Torres-VerdínGeophysics, v. 82, i. 4, p. D251-D263, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0402.1

- You have accessAccess Denied3D assessment of an underground mine pillar by combination of photogrammetric and geoelectric methodsYannick Fargier, Raphaël Antoine, Ludovic Dore, Sérgio Palma Lopes, Cyrille FauchardGeophysics, v. 82, i. 4, p. E143-E153, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2016-0274.1
- You have accessAccess DeniedFinite-element analysis for model parameters distributed on a hierarchy of geometric simplicesChester J. WeissGeophysics, v. 82, i. 4, p. E155-E167, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2017-0058.1
- You have accessAccess DeniedStable 2D magnetotelluric strikes and impedances via the phase tensor and the quadratic equationYunuhen Muñíz, Enrique Gómez-Treviño, Francisco J. Esparza, Mayra CuellarGeophysics, v. 82, i. 4, p. E169-E186, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2015-0700.1
- You have accessAccess DeniedInductive electromagnetic data interpretation using a 3D distribution of 3D magnetic or electric dipolesMichal Kolaj, Richard SmithGeophysics, v. 82, i. 4, p. E187-E195, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0260.1
- You have accessAccess DeniedTwo-dimensional inversion of magnetotelluric/radiomagnetotelluric data by using unstructured meshÖzcan Özyıldırım, Mehmet Emin Candansayar, İsmail Demirci, Bülent TezkanGeophysics, v. 82, i. 4, p. E197-E210, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0378.1
- You have accessAccess DeniedOn coincident loop transient electromagnetic induction loggingAndrei Swidinsky, Chester J. WeissGeophysics, v. 82, i. 4, p. E211-E220, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2017-0134.1
- You have accessAccess DeniedImage-guided regularization of marine electromagnetic inversionZhenwei Guo, Hefeng Dong, Åge KristensenGeophysics, v. 82, i. 4, p. E221-E232, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0130.1

- You have accessAccess DeniedTranslating tomographic ambiguity into the probabilistic inference of hydrologic and engineering target parametersHendrik PaascheGeophysics, v. 82, i. 4, p. EN67-EN79, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2015-0618.1
- You have accessAccess DeniedA field study of nuclear magnetic resonance logging to quantify petroleum contamination in subsurface sedimentsEmily L. Fay, Rosemary J. Knight, Elliot D. GrunewaldGeophysics, v. 82, i. 4, p. EN81-EN92, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0369.1

- You have accessAccess DeniedFast iterative equivalent-layer technique for gravity data processing: A method grounded on excess mass constraintFillipe C. L. Siqueira, Vanderlei C. Oliveira, Valéria C. F. BarbosaGeophysics, v. 82, i. 4, p. G57-G69, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2016-0332.1
- You have accessAccess DeniedFast-Fourier-based error propagation for the gravimetric terrain correctionJ. C. McCubbine, W. E. Featherstone, J. F. KirbyGeophysics, v. 82, i. 4, p. G71-G76, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2016-0627.1
- You have accessAccess DeniedA versatile solution for the gravity anomaly of 3D prism-meshed bodies with depth-dependent density contrastLi Jiang, Jianzhong Zhang, Zhibing FengGeophysics, v. 82, i. 4, p. G77-G86, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2016-0394.1
- You have accessAccess DeniedACLAS — A method to define geologically significant lineaments from potential-field dataLorenzo Cascone, Chris Green, Simon Campbell, Ahmed Salem, Derek FairheadGeophysics, v. 82, i. 4, p. G87-G100, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0337.1

- You have accessAccess DeniedCharacterizing CO
_{2}plumes in deep saline formations: Comparison and joint evaluation of time-lapse pressure and seismic tomographyLinwei Hu, Joseph Doetsch, Ralf Brauchler, Peter BayerGeophysics, v. 82, i. 4, p. ID1-ID18, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0365.1

- You have accessAccess DeniedSedimentary basin exploration with receiver functions: Seismic structure and anisotropy of the Dublin Basin (Ireland)Andrea Licciardi, Nicola Piana AgostinettiGeophysics, v. 82, i. 4, p. KS41-KS55, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2016-0471.1
- You have accessAccess DeniedPassive seismic monitoring with nonstationary noise sourcesEvan Delaney, Laura Ermert, Korbinian Sager, Alexander Kritski, Sascha Bussat, Andreas FichtnerGeophysics, v. 82, i. 4, p. KS57-KS70, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0330.1

- You have accessAccess DeniedGeostatistical inversion of prestack seismic data for the joint estimation of facies and impedances using stochastic sampling from Gaussian mixture posterior distributionsXiaozheng Lang, Dario GranaGeophysics, v. 82, i. 4, p. M55-M65, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2016-0670.1
- You have accessAccess DeniedPorosity estimation in the Fort Worth Basin constrained by 3D seismic attributes integrated in a sequential Bayesian simulation frameworkMartin Blouin, Mickaele Le Ravalec, Erwan Gloaguen, Mathilde AdelinetGeophysics, v. 82, i. 4, p. M67-M80, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0506.1

- You have accessAccess DeniedA new model describing the interaction between fluid pressure wave in pores and P-wave in rock matrixGuangquan Li, Pengfei Zhang, Jingshu SunGeophysics, v. 82, i. 4, p. MR105-MR109, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2016-0285.1
- You have accessAccess DeniedElastic mineral facies: Selecting site-specific elastic moduli of clayUri Wollner, Jack P. DvorkinGeophysics, v. 82, i. 4, p. MR111-MR119, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2016-0515.1
- You have accessAccess DeniedRock-physics diagnostics of an offshore gas fieldUri Wollner, Yunfei Yang, Jack P. DvorkinGeophysics, v. 82, i. 4, p. MR121-MR132, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2016-0390.1

- You have accessAccess DeniedSource wavelet and local wave propagation effects on the amplitude-variation-with-offset response of thin-layer models: A physical modeling studyCarlos A. M. Assis, Sérgio A. M. Oliveira, Roseane M. Misságia, Marco A. R. de CeiaGeophysics, v. 82, i. 4, p. N27-N41, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2016-0262.1

- You have accessAccess DeniedWavelet transform with generalized beta wavelets for seismic time-frequency analysisZhiguo Wang, Bing Zhang, Jinghuai Gao, Qingzhen Wang, Qing Huo LiuGeophysics, v. 82, i. 4, p. O47-O56, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2016-0342.1
- You have accessAccess DeniedA workflow to skeletonize faults and stratigraphic featuresJie Qi, Gabriel Machado, Kurt MarfurtGeophysics, v. 82, i. 4, p. O57-O70, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0641.1

- You have accessAccess DeniedVariable source depth acquisition for (an overall) improved signal-to-noise ratio in marine broadband seismic data: A modeling studyKjetil E. Haavik, Martin LandrøGeophysics, v. 82, i. 4, p. P31-P39, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2016-0436.1
- You have accessAccess DeniedStreamer depth versus vessel and seismic interference noiseToan Dao, Martin LandrøGeophysics, v. 82, i. 4, p. P41-P51, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0551.1

- You have accessAccess DeniedStrategies for imaging with Marchenko-retrieved Green’s functionsSatyan Singh, Roel SniederGeophysics, v. 82, i. 4, p. Q23-Q37, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0293.1

- You have accessAccess DeniedAn efficient coupled acoustic-elastic local solver applied to phase inversionBram Willemsen, Alison MalcolmGeophysics, v. 82, i. 4, p. R219-R234, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2016-0572.1
- You have accessAccess DeniedJoint traveltime, waveform, and waveform envelope inversion for near-surface imagingZhiyang Liu, Jie ZhangGeophysics, v. 82, i. 4, p. R235-R244, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2016-0356.1
- You have accessAccess DeniedAlternating first-arrival traveltime tomography and waveform inversion for near-surface imagingMengyao Sun, Jie Zhang, Wei ZhangGeophysics, v. 82, i. 4, p. R245-R257, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0576.1
- You have accessAccess DeniedPolynomial chaos expansion for nonlinear geophysical inverse problemsMostafa Abbasi, Ali GholamiGeophysics, v. 82, i. 4, p. R259-R268, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0716.1

- You have accessAccess DeniedElastic least-squares one-way wave-equation migrationAaron Stanton, Mauricio D. SacchiGeophysics, v. 82, i. 4, p. S293-S305, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2016-0391.1
- You have accessAccess DeniedReverse time migration of multiples: Reducing migration artifacts using the wavefield decomposition imaging conditionYibo Wang, Yikang Zheng, Qingfeng Xue, Xu Chang, Tong W. Fei, Yi LuoGeophysics, v. 82, i. 4, p. S307-S314, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0354.1
- You have accessAccess DeniedElastic least-squares reverse time migrationYuting Duan, Antoine Guitton, Paul SavaGeophysics, v. 82, i. 4, p. S315-S325, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0564.1

- You have accessAccess DeniedIntegrated receiver deghosting and closed-loop surface-multiple eliminationJan-Willem Vrolijk, Eric Verschuur, Gabriel LopezGeophysics, v. 82, i. 4, p. T133-T141, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2016-0442.1
- You have accessAccess DeniedTime-space-domain mesh-free finite difference based on least squares for 2D acoustic-wave modelingBei Li, Yang Liu, Mrinal K. Sen, Zhiming RenGeophysics, v. 82, i. 4, p. T143-T157, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2016-0464.1
- You have accessAccess DeniedOn the internal interfaces in finite-difference schemesRune MittetGeophysics, v. 82, i. 4, p. T159-T182, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0477.1
- You have accessAccess DeniedSolving the tensorial 3D acoustic wave equation: A mimetic finite-difference time-domain approachJeffrey Shragge, Benjamin TapleyGeophysics, v. 82, i. 4, p. T183-T196, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0691.1
- You have accessAccess DeniedApplication of high-order finite-element method to the P-wave propagation around and inside an underground cavitySofi Esterhazy, Felix Schneider, Ilaria Perugia, Götz BokelmannGeophysics, v. 82, i. 4, p. T197-T206, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0447.1

- You have accessAccess DeniedMultichannel spatially correlated reflectivity inversion using block sparse Bayesian learningMing Ma, Shangxu Wang, Sanyi Yuan, Jingjing Wang, Junxiang WenGeophysics, v. 82, i. 4, p. V191-V199, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2016-0366.1
- You have accessAccess DeniedInterference suppression by adaptive cancellation in a high Arctic seismic experimentDavid Harris, Julie Albaric, Bettina Goertz-Allmann, Daniela Kuehn, Sebastian Sikora, Volker OyeGeophysics, v. 82, i. 4, p. V201-V209, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2016-0452.1
- You have accessAccess DeniedAutomatic noise-removal/signal-removal based on general cross-validation thresholding in synchrosqueezed domain and its application on earthquake dataS. Mostafa Mousavi, Charles A. LangstonGeophysics, v. 82, i. 4, p. V211-V227, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2016-0433.1
- You have accessAccess DeniedDetermination of wavefront attributes by differential evolution in the presence of conflicting dipsJan Walda, Dirk GajewskiGeophysics, v. 82, i. 4, p. V229-V239, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0346.1
- You have accessAccess DeniedShot-domain deblending using least-squares inversionShaohuan Zu, Hui Zhou, Qingqing Li, Hanming Chen, Qingchen Zhang, Weijian Mao, Yangkang ChenGeophysics, v. 82, i. 4, p. V241-V256, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0413.1
- You have accessAccess DeniedThe diminishing residual matrices method for surface-consistent statics — A reviewNecati GülünayGeophysics, v. 82, i. 4, p. V257-V274, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0602.1
- You have accessAccess DeniedA competitive comparison of multiparameter stacking operatorsJan Walda, Benjamin Schwarz, Dirk GajewskiGeophysics, v. 82, i. 4, p. V275-V283, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0432.1

- Open AccessTutorial: Spectral bandwidth extension — Invention versus harmonic extrapolationChen Liang, John Castagna, Ricardo Zavala TorresGeophysics, v. 82, i. 4, p. W1-W16, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2015-0572.1

- You have accessAccess DeniedSeismic anisotropy — IntroductionVladimir Grechka, Ivan Pšenčík, Igor Ravve, Ilya TsvankinGeophysics, v. 82, i. 4, p. WAi-WAii, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2017-0530-SPSEINTRO.1
- You have accessAccess DeniedNumerical simulation of seismic wave propagation in viscoelastic-anisotropic media using frequency-independent
*Q*wave equationTieyuan ZhuGeophysics, v. 82, i. 4, p. WA1-WA10, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2016-0635.1 - You have accessAccess DeniedS-wave singularities in tilted orthorhombic mediaYuriy Ivanov, Alexey StovasGeophysics, v. 82, i. 4, p. WA11-WA21, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2016-0642.1
- You have accessAccess DeniedWeak-anisotropy moveout approximations for P-waves in homogeneous TOR layersVéronique Farra, Ivan PšenčíkGeophysics, v. 82, i. 4, p. WA23-WA32, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0623.1
- You have accessAccess DeniedEffect of pressure on 3D distribution of P-wave velocity and attenuation in antigorite serpentiniteTomáš Svitek, Václav Vavryčuk, Tomáš Lokajíček, Matěj Petružálek, Hartmut KernGeophysics, v. 82, i. 4, p. WA33-WA43, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2017-0006.1
- You have accessAccess DeniedAlgebraic degree of a general group-velocity surfaceVladimir GrechkaGeophysics, v. 82, i. 4, p. WA45-WA53, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0523.1
- You have accessAccess DeniedInversion gradients for acoustic VTI wavefield tomographyVladimir Li, Hui Wang, Ilya Tsvankin, Esteban Díaz, Tariq AlkhalifahGeophysics, v. 82, i. 4, p. WA55-WA65, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0624.1
- You have accessAccess DeniedAn acoustic eikonal equation for attenuating orthorhombic mediaQi Hao, Tariq AlkhalifahGeophysics, v. 82, i. 4, p. WA67-WA81, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0632.1
- You have accessAccess DeniedWaveform inversion for attenuation estimation in anisotropic mediaTong Bai, Ilya Tsvankin, Xinming WuGeophysics, v. 82, i. 4, p. WA83-WA93, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0596.1
- You have accessAccess DeniedWaveform inversion for microseismic velocity analysis and event location in VTI mediaOscar Jarillo Michel, Ilya TsvankinGeophysics, v. 82, i. 4, p. WA95-WA103, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0651.1
- You have accessAccess DeniedPhysical constraints on
*C*_{13}for transversely isotropic shales and their applicationsTatiana ChichininaGeophysics, v. 82, i. 4, p. WA105-WA118, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0656.1 - You have accessAccess DeniedNormal moveout coefficients for horizontally layered triclinic mediaZvi Koren, Igor RavveGeophysics, v. 82, i. 4, p. WA119-WA145, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0595.1

- You have accessAccess DeniedGeophysics Dissertation AbstractsIntegrated analysis and interpretation of microseismic monitoring of hydraulic fracturing in the Marcellus ShaleWave-equation migration Q analysisErich Victor Zorn, Yi ShenGeophysics, v. 82, i. 4, p. Z25-Z26, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2017-0530-geoDIS.1
- You have accessAccess DeniedContributorsGeophysics, v. 82, i. 4, p. Z27-Z33, Published on July 2017, First Published on July 06, 2017, doi:10.1190/geo2017-0517-CONTRIB.1

- Editor's corner
- Geophysics Letters
- Case Histories
- Borehole Geophysics
- Electrical and Electromagnetic Methods
- Engineering and Environmental Geophysics
- Gravity Exploration Methods
- Interdisciplinary Studies
- Passive Seismic Methods
- Reservoir Geophysics
- Rock Physics
- Seismic Amplitude Interpretation
- Seismic Attributes and Pattern Recognition
- Seismic Data Acquisition
- Seismic Interferometry
- Seismic Inversion
- Seismic Migration
- Seismic Modeling and Wave Propagation
- Signal Processing
- Tutorials and Expository Discussions
- Special section: Seismic anisotropy
- Back matter

- Open AccessFull-waveform inversion using seislet regularizationZhiguang Xue, Hejun Zhu, Sergey FomelGeophysics, v. 82, i. 5, p. A43-A49, Published on September 2017, First Published on July 06, 2017, doi:10.1190/geo2016-0699.1
- Open AccessElectrical conductivity, induced polarization, and permeability of the Fontainebleau sandstoneAndré Revil, Pauline Kessouri, Carlos Torres-VerdínGeophysics, v. 79, i. 5, p. D301-D318, Published on September 2014, First Published on September 15, 2014, doi:10.1190/geo2014-0036.1
- Open AccessAdaptive waveform inversion: TheoryMichael Warner, Lluís GuaschGeophysics, v. 81, i. 6, p. R429-R445, Published on November 2016, First Published on October 21, 2016, doi:10.1190/geo2015-0387.1
- Open AccessAn effective-medium model for P-wave velocities of saturated, unconsolidated saline permafrostShan Dou, Seiji Nakagawa, Douglas Dreger, Jonathan Ajo-FranklinGeophysics, v. 82, i. 3, p. EN33-EN50, Published on May 2017, First Published on May 02, 2017, doi:10.1190/geo2016-0474.1
- Open AccessTutorial: Spectral bandwidth extension — Invention versus harmonic extrapolationChen Liang, John Castagna, Ricardo Zavala TorresGeophysics, v. 82, i. 4, p. W1-W16, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2015-0572.1