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Colin G. Farquharson
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Proceedings Papers

Forward modelling of direct-current resistivity data on unstructured grids using an adaptive mimetic finite-difference method

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Hormoz Jahandari, Colin G. Farquharson, Peter Lelièvre
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3589149
https://doi.org/10.1190/segam2021-3589149.1
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View Paper titled, Forward modelling of direct-current resistivity data on unstructured grids using an adaptive mimetic finite-difference method
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Proceedings Papers

Surface geometry inversion of Preston Lake transient electromagnetic data

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Xushan Lu, Colin G. Farquharson, Peter Lelièvre, Grant Harrison, Jean-Marc Miehé
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583169
https://doi.org/10.1190/segam2021-3583169.1
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View Paper titled, Surface geometry inversion of Preston Lake transient electromagnetic data
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Proceedings Papers

Meshfree modelling of 2D MT data with RBF-FD and unstructured points

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Jianbo Long, Colin G. Farquharson
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3426830
https://doi.org/10.1190/segam2020-3426830.1
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View Paper titled, Meshfree modelling of 2D MT data with RBF-FD and unstructured points
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Proceedings Papers

Surface geometry inversion of time-domain EM data

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Xushan Lu, Peter Lelièvre, Colin G. Farquharson
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427026
https://doi.org/10.1190/segam2020-3427026.1
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View Paper titled, Surface geometry inversion of time-domain EM data
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Proceedings Papers

3D finite-volume time-domain modeling of geophysical electromagnetic data on unstructured grids using potentials

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Xushan Lu, Colin G. Farquharson, Jean-Marc Miehé, Grant Harrison
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215847
https://doi.org/10.1190/segam2019-3215847.1
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View Paper titled, 3D finite-volume time-domain modeling of geophysical electromagnetic data on unstructured grids using potentials
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Proceedings Papers

3D joint inversion of airborne gravity gradiometry and magnetic data: A case study from Budgell Harbour Stock in northern-central Newfoundland, Canada

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Meixia Geng, J. Kim Welford, Colin G. Farquharson, Alexander L. Peace
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3208039
https://doi.org/10.1190/segam2019-3208039.1
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View Paper titled, 3D joint inversion of airborne gravity gradiometry and magnetic data: A case study from Budgell Harbour Stock in northern-central Newfoundland, Canada
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Proceedings Papers

Meshfree modelling of 3-D controlled-source EM data: A new method to treat the singular source terms

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Jianbo Long, Colin G. Farquharson
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3205418
https://doi.org/10.1190/segam2019-3205418.1
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View Paper titled, Meshfree modelling of 3-D controlled-source EM data: A new method to treat the singular source terms
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Proceedings Papers

A new study for airborne EM forward modeling based on the Galerkin spectral-element method

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Xin Huang, Colin G. Farquharson, Changchun Yin, Xiaoyue Cao, Bo Zhang, Yunhe Liu, Jing Cai
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2997978
https://doi.org/10.1190/segam2018-2997978.1
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View Paper titled, A new study for airborne EM forward modeling based on the Galerkin spectral-element method
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Proceedings Papers

3D modeling of grounded electric-source airborne time-domain electromagnetic data using rational Krylov subspace method

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Wentao Liu, Jianmei Zhou, Xiu Li, Colin G. Farquharson
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2997941
https://doi.org/10.1190/segam2018-2997941.1
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View Paper titled, 3D modeling of grounded electric-source airborne time-domain electromagnetic data using rational Krylov subspace method
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Proceedings Papers

3-D inversion of airborne gravity gradiometry data for the Budgell Harbour Stock: A case history of using a probabilistic approach

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Meixia Geng, J. Kim Welford, Colin G. Farquharson, Alexander L. Peace
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2978510
https://doi.org/10.1190/segam2018-2978510.1
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View Paper titled, 3-D inversion of airborne gravity gradiometry data for the Budgell Harbour Stock: A case history of using a probabilistic approach
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Proceedings Papers

3D finite-volume time-domain electromagnetic modeling of graphitic faults using unstructured grids

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Xushan Lu, Colin G. Farquharson, Jean-Marc Miehé, Grant Harrison
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998528
https://doi.org/10.1190/segam2018-2998528.1
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View Paper titled, 3D finite-volume time-domain electromagnetic modeling of graphitic faults using unstructured grids
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Proceedings Papers

Effects of transmitting-current full waveform on transient electromagnetic responses: Insights from 3D forward modeling

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Jianhui Li, Xiangyun Hu, Sihong Zeng, Colin G. Farquharson, Peter C. Wood
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2996047
https://doi.org/10.1190/segam2018-2996047.1
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View Paper titled, Effects of transmitting-current full waveform on transient electromagnetic responses: Insights from 3D forward modeling
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Proceedings Papers

Finite-Volume Modelling of Geophysical Electromagnetic Data using Potentials on Unstructured Staggered Grids

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Hormoz Jahandari, Colin G. Farquharson
Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5867560
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View Paper titled, Finite-Volume Modelling of Geophysical Electromagnetic Data using Potentials on Unstructured Staggered Grids
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Proceedings Papers

3D Potential Field Inversion for Wireframe Surface Geometry

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Peter G. Lelièvre, Colin G. Farquharson, Rodrigo Bijani
Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5873054
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View Paper titled, 3D Potential Field Inversion for Wireframe Surface Geometry
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Proceedings Papers

Gauged Vector Finite-Element Schemes for the Geophysical EM problem for Unique Potentials and Fields

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Seyed Masoud Ansari, Colin G. Farquharson, Scott MacLachlan
Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5847117
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View Paper titled, Gauged Vector Finite-Element Schemes for the Geophysical EM problem for Unique Potentials and Fields
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Proceedings Papers

Numerical Modeling of Geophysical Electromagnetic Inductive and Galvanic Phenomena

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Seyedmasoud Ansari, Colin G. Farquharson
Paper presented at the 2013 SEG Annual Meeting, September 22–27, 2013
Paper Number: SEG-2013-0630
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View Paper titled, Numerical Modeling of Geophysical Electromagnetic Inductive and Galvanic Phenomena
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Proceedings Papers

A Finite-Volume Solution to the Geophysical Electromagnetic Forward Problem Using Unstructured Grids

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Hormoz Jahandari, Colin G. Farquharson
Paper presented at the 2013 SEG Annual Meeting, September 22–27, 2013
Paper Number: SEG-2013-0655
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View Paper titled, A Finite-Volume Solution to the Geophysical Electromagnetic Forward Problem Using Unstructured Grids
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Proceedings Papers

Three Dimensional Finite-Element Forward Modelling of Electromagnetic Data Using Potentials and Unstructured Meshes

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Seyedmasoud Ansari, Colin G. Farquharson
Paper presented at the 2012 SEG Annual Meeting, November 4–9, 2012
Paper Number: SEG-2012-0874
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View Paper titled, Three Dimensional Finite-Element Forward Modelling of Electromagnetic Data Using Potentials and Unstructured Meshes
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Proceedings Papers

Constrained Geophysical Inversion on Unstructured Meshes

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Peter G. Lelièver, Cassandra J. Tycholiz, Colin G. Farquharson
Paper presented at the 2012 SEG Annual Meeting, November 4–9, 2012
Paper Number: SEG-2012-0715
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View Paper titled, Constrained Geophysical Inversion on Unstructured Meshes
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Proceedings Papers

Geophysical Inversion for Contact Surfaces

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Peter G. Lelièver, Polina Zheglova, Tomasz Danek, Colin G. Farquharson
Paper presented at the 2012 SEG Annual Meeting, November 4–9, 2012
Paper Number: SEG-2012-0716
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View Paper titled, Geophysical Inversion for Contact Surfaces
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