Kangazian, M., and C.G. Farquharson,
Conductivity models with sharp interfaces for 3D magnetotelluric inversions,
26th Electromagectic Induction Workshop,
Beppu, Japan,
7-13 September 2024.
Lu, X., P. Lelièvre and C. Farquharson,
Parallel inversion of 3D direct-current resistivity and induced polarization data using unstructured tetrahedral grids,
IMAGE '23,
Houston,
28 August - 1 September 2023.
Zheglova, P., A. Malcolm and C. Farquharson,
Full waveform cross-hole inversion of radio-frequency electromagnetic data: A case study from Sudbury, Canada,
IMAGE '23,
Houston,
28 August - 1 September 2023.
Vatankhah, S., X. Lu, P. Lelièvre and C. Farquharson,
An investigation of regularization and constraints in surface-geometry inversion,
22nd Annual Conference of the International Association for Mathematial Geosciences,
Trondheim, Norway,
5-12 August 2023.
Kangazian, M., and C.G. Farquharson,
Fuzzy c-mean clustering joint inversion of magnetotelluric (MT) and gravity data-sets using unstructured tetrahedral meshes ,
European Geophysical Union General Assembly,
Vienna, Austria,
23-28 April 2023.
Lu, X., P. Lelièvre and C.G. Farquharson,
Uncertainty quantification of geophysical models constructed by surface geometry inversion using Markov chain Monte Carlo sampling,
European Geophysical Union General Assembly,
Vienna, Austria,
23-28 April 2023.
Kangazian, M., and C.G. Farquharson,
A comprehensive study of gradient and smoothness regularization operators on unstructured tetrahedral meshes,
European Geophysical Union General Assembly,
Vienna, Austria,
23-28 April 2023.
Lelièvre, P., E. Vandenberg, H. Hebb, K. Butler, X. Lu, and C Farquharson,
A protocol for assessing the effectiveness of electrical resistivity imaging for agricultural dike investigation,
European Geophysical Union General Assembly,
Vienna, Austria,
23-28 April 2023.
Kangazian, M., and C.G. Farquharson,
Petrophysical-based constrained and joint inversions of magnetotelluric (MT) and gravity data-sets on unstructured
tetrahedral meshes,
Electromagnetic Induction Workshop,
Çeşme, Turkey,
11-17 September 2022.
Lu, X., C.G. Galley, P. Lelièvre and C.G. Farquharson,
Surface geometry inversion of marine CSEM data,
Electromagnetic Induction Workshop,
Çeşme, Turkey,
11-17 September 2022.
Kangazian, M., and C.G. Farquharson,
Gradient and roughness regularization operators for geophysical inversion on unstructured meshes using L2 and L1 norms,
Electromagnetic Induction Workshop,
Çeşme, Turkey,
11-17 September 2022.
Demirbaş, A., and C.G. Farquharson,
1D and 3D inversion and modelling of airborne transient electromagnetic and magnetic data from over a potential volcanogenic
massive sulphide deposit, Cripple Creek, Newfoundland,
Electromagnetic Induction Workshop,
Çeşme, Turkey,
11-17 September 2022.
Kara, K.B., and C.G. Farquharson,
3D minimum-structure inversion for CSEM problems using potentials and unstructured tetrahedral grids,
Electromagnetic Induction Workshop,
Çeşme, Turkey,
11-17 September 2022.
Liu, Z., Z. Ren, H. Uao, J. Tang, X. Lu and C.G. Farquharson,
A parallel adaptive finite-element method for 3-D large-scale controlled-source electromagnetic forward modelling with
hierarchical tetrahedral grids,
Electromagnetic Induction Workshop,
Çeşme, Turkey,
11-17 September 2022.
Farquharson, C.G.,
Computer modelling and inversion of EM data for the complexity and scale of real-life mineral exploration scenarios,
KEGS PDAC EM Mini Symposium,
Toronto, 11 June 2022.
Zheglova, P., C.G. Farquharson and A. Malcolm,
Full Waveform Inversion of Electric Conductivity with Radio-Frequency Electromagnetic Waves,
EAGE Conference and Exhibition,
Madrid and on-line, 6-9 June 2022.
Lu, X., C.G. Farquharson, P. Lelièvre, G. Harrison and J.-M. Miehé,
Surface geometry inversion of Preston Lake transient electromagnetic data,
First International Meeting for Applied Geoscience and Energy (i.e., Annual Meeting of SEG, joint with AAPG),
Denver, 26 Sept - 1 Oct, 2021.
Jahandari, H., C.G. Farquharson and P. Lelièvre,
Forward modelling of direct-current resistivity data on unstructured grids using an adaptive mimetic finite-difference
method,
First International Meeting for Applied Geoscience and Energy (i.e., Annual Meeting of SEG, joint with AAPG),
Denver, 26 Sept - 1 Oct, 2021.
Zheglova, P., C. Farquharson and A. Malcolm,
3D radio-frequency electromagnetic wave modelling with an optimized frequency-domain finite-difference scheme,
First International Meeting for Applied Geoscience and Energy (i.e., Annual Meeting of SEG, joint with AAPG),
Denver, 26 Sept - 1 Oct, 2021.
Lu, X., C. Galley, P.G. Lelièvre and Colin Farquharson,
Surface geometry inversion of potential field and electromagnetic geophysical data,
AGU Fall Meeting, San Francisco, 1-17 December, 2020.
Galley, C., J.W. Jamieson, P.G.Lelièvre, C. Farquharson and J. Parianos,
Imaging Subseafloor Hydrothermal Systems,
AGU Fall Meeting, San Francisco, 1-17 December, 2020.
Long, J., and C.G. Farquharson,
Meshfree modelling of 2D MT data with RBF-FD and unstructured points,
SEG Annual Meeting, Houston, 11-16 October, 2020.
Lu, X., P. Lelièvre and C.G. Farquharson,
Surface geometry inversion of time-domain EM data,
SEG Annual Meeting, Houston, 11-16 October, 2020.
Galley, C., P. Lelièvre, C. Farquharson, J. Jamieson, A. Haroon, S. Graber, S. Petersen and F. Szitkar,
Modelling the geometry of the Trans-Atlantic Geotraverse seafloor massive sulphide deposit through magnetic surface
geometry inversion,
SEG Annual Meeting, Houston, 11-16 October, 2020.
Lu, X., C.G. Farquharson, J.-M. Miehé and Grant Harrison,
3D finite-volume time-domain modeling of geophysical electromagnetic data on unstructured grids using potentials,
SEG Annual Meeting, San Antonio, 15-20 September, 2019.
Long, J., and C.G. Farquharson,
Meshfree modelling of 3-D controlled-source EM data: A new method to treat the singular source terms,
SEG Annual Meeting, San Antonio, 15-20 September, 2019.
Geng, M., J.K. Welford, C.G. Farquharson and A.L. Peace,
3D joint inversion of airborne gravity gradiometry and magnetic data: A case study from Budgell Harbour Stock in
northern-central Newfoundland, Canada,
SEG Annual Meeting, San Antonio, 15-20 September, 2019.
Lelièvre, P., M. Darijani, C. Galley, P. Zheglova and C. Farquharson,
No Magic Bullet: Three Integrated Imaging Problems, Three Solutions,
IUGG General Assembly, Montréal, 8-18 July, 2019.
Hafizi, M., and C. Farquharson,
Magnetic Resonance Sounding (MRS) In Chalk Formation: A Case Study of Chame Gardab (West-Iran),
IUGG General Assembly, Montréal, 8-18 July, 2019.
Hafizi, M., M. Morady, B. Taheri, and C. Farquharson,
LNAPL Contaminated Groundwater Pollutions around TORC, North Iran,
IUGG General Assembly, Montréal, 8-18 July, 2019.
Kangazian, M., and C. Farquharson,
3D inversions of gravity and magnetotelluric data from the Howley Basin, Western Newfoundland: an assessment of basin depth and hydrocarbon potential,
GAC-MAC-IAH Meeting, Québec, 12-15 May, 2019.
Vallée, M.A., W.A. Morris, S. Perrouty, R.G. Lee, K. Wasyliuk, J. King, K. Ansdell, R. Mir, P. Shamsipour, C. Farquharson, M. Chouteau, R.S. Smith,
Contribution of constrained gravity and magnetic inversion to geoscience integration: lessons from the Footprints project,
GAC-MAC-IAH Meeting, Québec, 12-15 May, 2019.
Lelièvre, P., C. Galley and C. Farquharson,
Incorporating geological and geophysical data to determine surface-based model geometry,
GAC-MAC-IAH Meeting, Québec, 12-15 May, 2019.
Lelièvre, P., C. Galley and C. Farquharson,
3D Geophysical Inversion for Surface-Based Model Geometry,
EGU General Assembly, Vienna, 7-12 April 2019.
Galley, C., P. Lelièvre, C. Farquharson, J. Jamieson and J. Parianos,
Applications of Voxel and Surface Geometry Magnetic Inversion in Modelling Seafloor Massive Sulphide Deposit Systems; East Manus Basin,
EGU General Assembly, Vienna, 7-12 April 2019.
Geng, M., J.K. Welford, C.G. Farquharson and A.L. Peace,
3-D inversion of airborne gravity gradiometry data for the Budgell Harbour Stock: A case history of using a probabilistic approach,
SEG Annual Meeting, Anaheim, 14-19 October 2018.
Liu, W., J. Zhou, X. Li and C.G. Farquharson,
3D modeling of grounded electric-source airborne time-domain electromagnetic data using rational Krylov subspace method,
SEG Annual Meeting, Anaheim, 14-19 October 2018.
Huang, X., C.G. Farquharson, C. Yin, X. Cao, B. Zhang, Y. Liu and J. Cai,
A new study for airborne EM forward modeling based on the Galerkin spectral-element method,
SEG Annual Meeting, Anaheim, 14-19 October 2018.
Li, J., X. Hu, S. Zeng, C.G. Farquharson and P.C. Wood,
Effects of transmitting-current full waveform on transient electromagnetic responses: Insights from 3D forward modeling,
SEG Annual Meeting, Anaheim, 14-19 October 2018.
Lu, X., C.G. Farquharson, J.-M. Miehé and G. Harrison,
3D finite-volume time-domain electromagnetic modeling of graphitic faults using unstructured grids,
SEG Annual Meeting, Anaheim, 14-19 October 2018.
Long, J., and C.G. Farquharson,
Three-dimensional magnetotelluric modelling with an RBF-based meshfree method and unstructured points,
24th EM Induction Workshop, Helsingør, Denmark, 13-20 August 2018.
Huang, X., C. Yin, C. Farquharson, X. Cao, Y. Liu, B. Zhang and J. Cai,
3D Airborne EM Forward Modelling by the Spectral-Element Method for Deformed Hexahedral Meshes,
EAGE Conference and Exhibition, Copenhagen, 11-14 June 2018.
Ansari, S.M., J. Craven, E. Schetselaar and C. Farquharson,
A Finite-Element Based Algorithm for 3d Magnetotelluric Inversion Using Unstructured Meshes for Complex
Geological Settings,
EAGE Conference and Exhibition, Copenhagen, 11-14 June 2018.
Farquharson, C., J. Long, X. Lu, and P.G. Lelièvre,
Electromagnetic forward modelling for realistic Earth models using unstructured tetrahedral meshes and a meshfree approach,
AGU Fall Meeting, New Orleans, 11-15 December 2017.
Farquharson, C., and P. Lelièvre,
Modelling and Inversion for Mineral Exploration Geophysics: A Review of Recent Progress, the Current
State-of-the-Art, and Future Directions,
Exploration '17, Toronto, 22-25 October 2017.
[
PDF file of paper.]
Long, J., and C. Farquharson,
Three-dimensional controlled-source EM modeling with radial basis function-generated finite differences:
A meshless approach,
SEG Annual Meeting, Houston, 24-29 September 2017.
Vallée, M., C. Farquharson, K. Byrne, R. Lee, G. Lesage, J. King, M. Chouteau, and R. Enkin,
Porphyry copper alteration imaging with aeromagnetic data at Highland Valley Copper, British Columbia,
Canada,
SEG Annual Meeting, Houston, 24-29 September 2017.
Li, J., X. Lu, and C.G. Farquharson,
A finite-element time-domain forward solver for electromagnetic methods with a complex-shape
transmitting loop,
SEG Annual Meeting, Houston, 24-29 September 2017.
Jahandari, H., and C.G. Farquharson,
3D inversion of magnetotelluric data using tetrahedral grids and a combined application
of direct and iterative solvers,
SEG Annual Meeting, Houston, 24-29 September 2017.
Geng, M., J.K. Welford, and C.G. Farquharson,
3D Gravity Inversion Using the Constrained Stochastic Method: Applications to Crustal-scale Models
of Rifted Margins,
EAGE Conference and Exhibition, Paris, 12-15 June 2017.
Carter-McAuslan, A.E., and C.G. Farquharson,
A Method for Quantifying the Texture of Magnetic Maps through Linear Regression in a Moving Window,
EAGE Conference and Exhibition, Paris, 12-15 June 2017.
Geng, M., J.K. Welford, and C.G. Farquharson,
An improved 3-D constrained stochastic gravity inversion method, adapted to the crustal-scale study
of offshore rifted continental margins,
EGU General Assembly, Vienna, 23-28 April 2017.
Li, J., and C.G. Farquharson,
A study of the transient electromagnetic responses for the Ovoid Zone massive sulfide-deposit model
and for a fixed-loop configuration,
International Geophysical Conference, Qingdao, 17-20 April 2017.
Long, J., and C.G. Farquharson,
Geophysical electromagnetic data modelling with radial basis function generated finite differences,
6th International Symposium in Three-Dimensional Electromagnetics, Berkeley, 28-30 March 2017.
Liu, Y., C.G. Farquharson, and C. Yin,
Wavelet-based 3D inversion for frequency-domain AEM data,
6th International Symposium in Three-Dimensional Electromagnetics, Berkeley, 28-30 March 2017.
Jones, D., C.G. Farquharson, S. Ansari, and R. Hearst,
Synthesizing 3D time-domain EM data for forward modelling of uranium deposits,
6th International Symposium in Three-Dimensional Electromagnetics, Berkeley, 28-30 March 2017.
Lu, X., C.G. Farquharson, and J. Li,
3D finite-volume time-domain electromagnetic modeling using unstructured grids,
6th International Symposium in Three-Dimensional Electromagnetics, Berkeley, 28-30 March 2017.
Jahandari, H., and C.G. Farquharson,
3-D inversion of magnetotelluric impedance tensor and magnetic transfer function data using tetrahedral
grids,
6th International Symposium in Three-Dimensional Electromagnetics, Berkeley, 28-30 March 2017.
Nalepa, M., S. Ansari, and C.G. Farquharson,
Finite-element simulation of 3D CSEM data on unstructured meshes: An example from the East Coast of
Canada,
SEG Annual Meeting, Dallas, 16-21 October 2016.
Jahandari, H., and C.G. Farquharson,
3D minimum-structure inversion of magnetotelluric data using the finite-element method and tetrahedral
grids,
SEG Annual Meeting, Dallas, 16-21 October 2016.
Li, J., and C.G. Farquharson,
Three-dimensional vector finite-element electromagnetic forward modeling for large loop sources with
complex shapes,
SEG Annual Meeting, Dallas, 16-21 October 2016.
Carter-McAuslan, A.E., and C.G. Farquharson,
Predictive mapping using self-organizing maps: An example of mapping the midcontinent rift at depth,
SEG Annual Meeting, Dallas, 16-21 October 2016.
Lelièvre, P.G., C.G. Farquharson, and K. Butler,
Inversion for wireframe surface geometry applied to the Cocagne Subbasin, New Brunswick, Canada,
SEG Annual Meeting, Dallas, 16-21 October 2016.
Dunham, M., S. Ansari, and C.G. Farquharson,
Application of 3D marine CSEM finite-element forward modeling to hydrocarbon exploration in the Flemish
Pass Basin offshore Newfoundland, Canada,
SEG Annual Meeting, Dallas, 16-21 October 2016.
Darijani, M., and C.G. Farquharson,
Synthetic modeling and joint inversion of gravity and seismic refraction data for overburden stripping
in the Athabasca Basin, Canada,
SEG Annual Meeting, Dallas, 16-21 October 2016.
Jones, D., S. Ansari, and C.G. Farquharson,
Synthesizing time-domain electromagnetic data for graphitic fault zones and associated uranium deposits
in the Athabasca Basin, Canada,
SEG Annual Meeting, Dallas, 16-21 October 2016.
Zheglova, P., and C.G. Farquharson,
Joint level set inversion of gravity and travel time data: Application to mineral exploration,
SEG Annual Meeting, Dallas, 16-21 October 2016.
Dunham, M.W., S. Ansari, and C.G. Farquharson,
Three-dimensional computer modeling of realistic marine CSEM earth models in the Flemish Pass Basin,
AAPG Convention & Exhibition, Calgary, 19-22 June, 2016.
[
PDF file of poster (3.2M).]
Carter-McAuslan, A.E., and C.G. Farquharson,
Predictive Geological Mapping of the Baie Verte Peninsula, NL, CA, Using SOM Neural Nets,
EAGE Conference and Exhibition, Vienna, 30 May-2 June, 2016.
Dunham, M.W., S. Ansari, and C.G. Farquharson,
Three-dimensional Marine CSEM Forward Modelling in the Flemish Pass Basin Using Realistic
Unstructured Meshes,
EAGE Conference and Exhibition, Vienna, 30 May-2 June, 2016.
Lelièvre, P.G., A.E. Carter-McAuslan, and C.G. Farquharson,
Joint Inversion of Gravity and Seismic Tomography Data for a Magmatic Massive Sulphide
Exploration Example,
EAGE Conference and Exhibition, Vienna, 30 May-2 June, 2016.
Lelièvre, P.G., and C.G. Farquharson,
Inversion of Potential Field Data for Contact Surface Geometry,
EAGE Conference and Exhibition, Vienna, 30 May-2 June, 2016.
Lelièvre, P.G., and C.G. Farquharson,
3D Geologically Constrained Inversion on Unstructured Meshes for the Voisey's Bay Eastern
Deeps Deposit,
EAGE Conference and Exhibition, Vienna, 30 May-2 June, 2016.
Lelièvre, P.G., R. Bijani, and C.G. Farquharson,
Joint Inversion Using Multi-Objective Global Optimization Methods,
EAGE Conference and Exhibition, Vienna, 30 May-2 June, 2016.
Lelièvre, P.G., R. Bijani, and C.G. Farquharson,
Lithological and Surface Geometry Joint Inversions Using Multi-Objective Global Optimization Methods,
EGU General Assembly, Vienna, 17-22 April, 2016.
[
PDF file of presentation (3.3M).]
Lelièvre, P.G., R. Bijani, and C.G. Farquharson,
Geophysical Inversion With Multi-Objective Global Optimization Methods,
EGU General Assembly, Vienna, 17-22 April, 2016.
Carter-McAuslan, A., and C.G. Farquharson,
Evaluating the Quality of Predictive Geological Maps Produced using Self-Organizing Maps,
EGU General Assembly, Vienna, 17-22 April, 2016.
Nalepa, M., S. Ansari, and C.G. Farquharson,
Synthetic modelling of marine controlled-source electromagnetic data for hydrocarbon exploration,
GeoConvention, Calgary, 7-11 March, 2016.
[
PDF file of poster (9M).]
Carter-McAuslan, A., and C.G. Farquharson,
Predictive Mapping of the Baie Verte Peninsula using Self-Organizing Maps: A Case Study,
PDAC-SEG Student Minerals Colloquium, Toronto, 5 March 2016.
Darijani, M., and C.G. Farquharson,
Synthetic modelling and joint inversion of seismic and gravity data for overburden stripping in
the Athabasca Basin,
PDAC-SEG Student Minerals Colloquium, Toronto, 5 March 2016.
[
PDF file of poster (2M).]
Jones, D., S. Ansari and C.G. Farquharson,
Synthesizing 3D Time-Domain Electromagnetic Geophysical Forward Models for Uranium Exploration in
the Athabasca Basin,
PDAC-SEG Student Minerals Colloquium, Toronto, 5 March 2016.
[
PDF file of poster (2M).]
Lelièvre, P.G., R. Bijani, and C.G. Farquharson,
Joint Geophysical Inversion With Multi-Objective Global Optimization Methods,
AGU Fall Meeting, San Francisco, 14-18 December, 2015.
María de los Ángeles García Juanatey, P.G. Lelièvre,
C. Juhlin, and C.G. Farquharson,
Joint and constrained inversions in a complex geological setting, example from the Skellefte District,
AGU Fall Meeting, San Francisco, 14-18 December, 2015.
Ansari, S., C.G. Farquharson, and S. MacLachlan,
Gauged vector finite-element schemes for the geophysical EM problem for unique potentials and fields,
SEG Annual Meeting, New Orleans, 18-23 October 2015.
[
PDF file of talk (71M).]
Jahandari, H., and C.G. Farquharson,
Finite-volume modeling of geophysical electromagnetic data using potentials on unstructured staggered
grids,
SEG Annual Meeting, New Orleans, 18-23 October 2015.
[
PDF file of talk (9M).]
Lelièvre, P.G., C.G. Farquharson, and R. Bijani,
3D potential field inversion for wireframe surface geometry,
SEG Annual Meeting, New Orleans, 18-23 October 2015.
[
PDF file of talk (7M).]
Li, J., and C.G. Farquharson,
Two effective inverse Laplace transform algorithms for computing time-domain electromagnetic responses,
SEG Annual Meeting, New Orleans, 18-23 October 2015.
[
PDF file of e-poster (2M).]
Lelièvre, P.G., C.G. Farquharson, and R. Bijani,
Integrating geological model surfaces into 3D geophysical inversions,
13th SGA Biennial Meeting, Nancy, 24-27 August 2015.
Carosio, G.L.C., T.D. Humphries, R.D. Haynes, and C.G. Farquharson,
A Closer Look At Differential Evolution For The Optimal Well Placement Problem,
Genetic and Evolutionary Computation Conference (GECCO 2015), Madrid, 11-15 July 2015.
Lelièvre, P., C. Farquharson, and R. Bijani,
3D stochastic geophysical inversion for contact surface geometry,
EGU General Assembly, Vienna, 12-17 April 2015.
[
PDF file of presentation (10M).]
María de los Ángeles García Juanatey, P. Lelièvre, C. Juhlin, and C. Farquharson,
Joint and constrained inversions in the Skellefte District,
EGU General Assembly, Vienna, 12-17 April 2015.
[
PDF file of poster (15M).]
Carter-McAuslan, A., P.G. Lelièvre, and C.G. Farquharson,
Predictive mapping with Self-Organising Maps: A Synthetic Study,
PDAC-SEG Student Minerals Colloquium, Toronto, 2 March 2015.
[
PDF file of poster (12M).]
Belliveau, P., C. Farquharson, and R. Haynes,
ArjunAir: Updating and parallelizing an existing time domain electromagnetic inversion program,
SEG Annual Meeting, Denver, 26-31 October 2014.
[
PDF file of poster (0.4M).]
Ansari, S., and C.G. Farquharson,
A Potential Method for Three-dimensional Numerical Modeling of Geophysical Electromagnetic Problems,
EAGE Conference and Exhibition, Amsterdam, 16-19 June, 2014.
[
PDF file of talk (75M).]
Jahandari, H., and C.G. Farquharson,
Forward Modelling of Geophysical Electromagnetic Data on Unstructured Grids Using a Finite-volume
Approach,
EAGE Conference and Exhibition, Amsterdam, 16-19 June, 2014.
[
PDF file of talk (16M).]
Farquharson, C.G., P.G. Lelièvre, S. Ansari, and H. Jahandari,
Towards Real Earth Models -- Computational Geophysics on Unstructured Tetrahedral Meshes?,
EAGE Conference and Exhibition, Amsterdam, 16-19 June, 2014.
[
PDF file of talk (18M).]
Lelièvre, P.G., and C.G. Farquharson,
3D Geophysical Inversion for Contact Surfaces,
EGU General Assembly, Vienna, 27 April - 2 May 2014.
[
PDF file of poster (2M).]
Carter-McAuslan. A., P.G. Lelièvre, and C.G. Farquharson,
Joint Inversion of Gravity and Seismic Tomography Data for Modelling Magmatic Massive Sulphide Bodies,
EGU General Assembly, Vienna, 27 April - 2 May 2014.
[
PDF file of poster (8M).]
Darijani, M., and C.G. Farquharson,
Differentiating gravity responses of glacial sediment cover and mineralization in the Athabasca Basin
using constrained and joint inversion,
PDAC-SEG Student Minerals Colloquium, Toronto, 3 March 2014.
Jahandari, H., and C.G. Farquharson,
A finite-volume solution to the geophysical electromagnetic forward problem using unstructured grids,
SEG Annual Meeting, Houston, 22-27 September 2013.
[
PDF file of talk (15M).]
Ansari, S., and C.G. Farquharson,
Numerical modeling of geophysical electromagnetic inductive and galvanic phenomena,
SEG Annual Meeting, Houston, 22-27 September 2013.
[
PDF file of talk (44M).]
Jahandari, H., and C.G. Farquharson,
Finite volume modelling of electromagnetic data using unstructured staggered grids,
3DEM-5 5th International Symposium on Three-Dimensional Electromagnetics, Sapporo, 7-9 May 2013.
[
PDF file of talk (11M).]
Ansari, S., and C.G. Farquharson,
Three dimensional modeling of controlled-source electromagnetic response for inductive and galvanic
components,
3DEM-5 5th International Symposium on Three-Dimensional Electromagnetics, Sapporo, 7-9 May 2013.
[
PDF file of poster (29M).]
Lelièvre, P.G., C.G. Farquharson, and C.J. Tycholiz,
Integrating geological constraints into 3D geophysical inversions using unstructured meshes,
EGU General Assembly, Vienna, 7-12 April 2013.
Carter-McAuslan. A., P.G. Lelièvre, and C.G. Farquharson,
Gravity and Seismic Tomography Joint Inversion: A synthetic study modelling magmatic massive sulphide
type bodies, EGU General Assembly, Vienna, 7-12 April 2013.
[
PDF file of poster (3M).]
Carter-McAuslan, A., P.G. Lelièvre, and C.G. Farquharson,
Joint inversion of seismic traveltime and gravity data: A synthetic study using geologically
realistic models from the Voisey's Bay deposit,
AGU Fall Meeting, San Francisco, 3-7 December, 2012.
Lelièvre, P.G., C.J. Tycholiz, and C.G. Farquharson,
Constrained geophysical inversion on unstructured meshes,
SEG Annual Meeting, Las Vegas, 4-9 November, 2012.
Lelièvre, P.G., P. Zheglova, T. Danek, and C.G. Farquharson,
Geophysical inversion for contact surfaces,
SEG Annual Meeting, Las Vegas, 4-9 November, 2012.
Zheglova, P., and C.G. Farquharson,
Level set method in seismic inversion: 2D reconstruction of boundaries,
SEG Annual Meeting, Las Vegas, 4-9 November, 2012.
[
PDF file of poster (1M).]
Ansari, S., and C.G. Farquharson,
Three dimensional finite-element forward modelling of electromagnetic data using potentials
and unstructured meshes,
SEG Annual Meeting, Las Vegas, 4-9 November, 2012.
[
PDF file of mini version of poster (*100M*).]
Lelièvre, P.G., A. Carter-McAuslan, C.J. Tycholiz, C.G. Farquharson, and C.A. Hurich,
Unstructured grid modelling to create 3D Earth models that unify geological and geophysical
information,
GAC-MAC Joint Annual Meeting, St. John's, 27-29 May 2012.
[
PDF file of talk (2.7M).]
Tycholiz, C.J., P.G. Lelièvre, and C.G. Farquharson,
Geologically constrained inversion of airborne gravity gradiometer data using unstructured
tetrahedral meshes,
GAC-MAC Joint Annual Meeting, St. John's, 27-29 May 2012.
Carter-McAuslan, A., P.G. Lelièvre, G. Blades, and C.G. Farquharson,
Testing joint inversion code with geologically realistic models,
GAC-MAC Joint Annual Meeting, St. John's, 27-29 May 2012.
[
PDF file of talk (8.5M).]
Lelièvre, P.G., A. Carter-McAuslan, C.J. Tycholiz, C.G. Farquharson, and C.A. Hurich,
Refining 3D Earth models by unifying geological and geophysical information on unstructured meshes,
EGU General Assembly, Vienna, 22-27 April, 2012.
Lelièvre, P.G., P. Zheglova, T. Danek, and C.G. Farquharson,
Parameterization of the Earth's subsurface to flexibly emphasize distinct rock units,
EGU General Assembly, Vienna, 22-27 April, 2012.
[
PDF file of poster (1.2M).]
Danek, T., M. Wojdyla, and C.G. Farquharson,
Bayesian inversion of geophysical data using combined particle swarm optimization and Metropolis
sampling,
EGU General Assembly, Vienna, 22-27 April, 2012.
Lelièvre, P.G., A. Carter-McAuslan, C.J. Tycholiz, C.G. Farquharson, and C.A. Hurich,
Refining 3D Earth models through constrained joint inversion on flexible unstructured meshes,
KEGS-DMEC Geophysical Symposium, Toronto, 3 March, 2012.
[
PDF file of talk (4.2M).]
Ansari, S., and C.G. Farquharson,
3D finite-element simulation of electromagnetic data for inductive and galvanic components,
SEG Annual Meeting, San Antonio, 18-23 September, 2011.
Jahandari, H., and C.G. Farquharson,
Forward modelling of gravity data for unstructured grids using the finite-volume method,
SEG Annual Meeting, San Antonio, 18-23 September, 2011.
Farquharson, C.G., P.G. Lelièvre, and C.A. Hurich,
Unified geophysical and geological 3-D Earth models,
EGU General Assembly, Vienna, 3-8 April, 2011.
[
PDF file of talk (1.2M).]
Ansari, S., and C.G. Farquharson,
3D Finite-element Simulation of Controlled-source EM problems Using Edge
and Nodal Interpolation functions,
EGU General Assembly, Vienna, 3-8 April, 2011.
Martí, A., P. Queralt, J. Ledo, and C.G. Farquharson,
Electrical anisotropy: dimensionality imprints in magnetoteluric responses and
effects in isotropic inversion,
EGU General Assembly, Vienna, 3-8 April, 2011.
Lelièvre, P.G., C.G. Farquharson, and C.A. Hurich,
Inversion of First-Arrival Seismic Traveltimes on 3D Unstructured Grids Without Ray Tracing,
Fall Meeting, AGU, San Francisco, Calif., 13-17 December, 2010.
Farquharson, C.G., P.G. Lelièvre, and C.A. Hurich,
Joint inversion of seismic traveltimes
and gravity data on unstructured grids with application to mineral exploration,
Fall Meeting, AGU, San Francisco, Calif., 13-17 December, 2010.
Lelièvre, P.G., C.G. Farquharson, and C.A. Hurich,
Joint inversion of seismic traveltimes
and gravity data on unstructured grids with application to mineral exploration,
SEG Annual Meeting, Denver, 17-22 October, 2010.
[
PDF file of talk (5.9M).]
Drew, M.C., C.G. Farquharson, and J.A. Craven,
Three-dimensional modelling of the Nechako Basin
magnetotelluric data set,
20th International Workshop on Electromagnetic Induction in the Earth,
Giza, Egypt,
18-24 September 2010.
[
PDF file of the poster (34M).]
Lelièvre, P.G., C.G. Farquharson, and C.A. Hurich,
Joint inversion of seismic travel times
and gravity data on 3D unstructured grids with application to mineral exploration,
EGU General Assembly, Vienna, 2-7 May, 2010.
[
PDF file of talk (4.0M).]
Farquharson, C.G.,
3-D finite-element modelling of magnetotelluric data with a static divergence correction,
AGU-CGU-etc. Joint Assembly, Toronto, 24-27 May 2009.
[
PDF file of talk (1.4M).]
Mosher, C.R.W., C.G. Farquharson, and C.A. Hurich,
Minimum-structure borehole gravity inversion,
78th Annual Meeting of the Society of Exploration Geophysicists, Las Vegas, Nevada,
9-14 November 2008.
Farquharson, C.G.,
Three-dimensional inversion of gravity data for blocky models using a minimum-structure
algorithm and general measures,
KEGS Workshop on Geophysical Inversion, Toronto, 3 March 2007.
[
PDF file of talk (800k).]
Miller, H.G., M.R. Ash, M. Wheeler, and C.G. Farquharson,
Constrained inversion of gravity and magnetic data: a real time exploration tool?,
KEGS Workshop on Geophysical Inversion, Toronto, 3 March 2007.
[
PDF file of talk (1.8M).]
Ash, M.R., M. Wheeler, H.G. Miller, C.G. Farquharson, and A.V. Dyck,
Constrained three-dimensional inversion of potential field data from the Voisey's Bay
Ni-Cu-Co deposit, Labrador, Canada,
76th Annual Meeting of the Society of Exploration Geophysicists, New Orleans, Louisiana,
1-6 October 2006.
[PDF files
1 &
2 of poster (2.5 & 7.0M).]
Farquharson, C.G.,
Constructing piecewise-constant models in multi-dimensional minimum-structure inversions,
76th Annual Meeting of the Society of Exploration Geophysicists, New Orleans, Louisiana,
1-6 October 2006.
[
PDF file of talk (2.2M).]
Craven, J.A., C.G. Farquharson, R.L. Mackie, W. Siripunvaraporn, V. Tuncer,
and M.J. Unsworth,
A comparison of two- and three-dimensional modelling of audiomagnetotelluric
data collected at the world's richest uranium mine, Saskatchewan, Canada,
18th International Workshop on Electromagnetic Induction in the Earth,
El Vendrell, Spain,
17-23 September 2006.
[
PDF file of poster (1.9M).]
Farquharson, C.G.,
Blocky models in minimum-structure inversions,
18th International Workshop on Electromagnetic Induction in the Earth,
El Vendrell, Spain,
17-23 September 2006.
[
PDF file of poster (0.5M).]
Burgi, H.A., and C.G. Farquharson.
Modelling of induced polarization effects in time-domain electromagnetic
data from a glacier in Svalbard, Norway,
Annual Meeting of the Canadian Geophysical Union, Banff, Alberta,
14-17 May 2006.
[
PDF file of talk.]
Farquharson, C.G., and Ken Witherly.
Quantitative interpretation of airborne and ground geophysical
electromagnetic data for groundwater investigations,
Annual Meeting of the Canadian Geophysical Union, Banff, Alberta,
14-17 May 2006.
[
PDF file of talk.]
Farquharson, C.G., D.W. Oldenburg and P. Kowalczyk.
Three-dimensional inversion of magnetotelluric data from the Turquoise
Ridge mine, Nevada, 74th Meeting of the Society of Exploration Geophysicists,
Denver, Colorado, 10-15 October 2004.
Cristall, J., C.G. Farquharson and D.W. Oldenburg.
Inversion of Airborne Electromagnetic Data: Application to Oil Sands Exploration,
The 2004 Joint Assembly of the CGU, AGU, SEG and EEGS, Montréal, PQ,
17-21 May 2004.
[
PDF file of talk.]
Farquharson, C.G., K. Duckworth and D.W. Oldenburg.
Comparison of integral equation and physical scale modelling of the
electromagnetic response of models with large conductivity contrasts,
Annual Meeting of the Canadian Geophysical Union, Banff, Alberta,
11-14 May 2003.
[
PDF file of talk.]
Farquharson, C.G., and D.W. Oldenburg.
Constructing piece-wise-constant models using general measures in
non-linear, minimum-structure inversion algorithms, 6th International Symposium
of the Society of Exploration Geophysicists of Japan, Tokyo, 22-24 January 2003.
[
Expanded abstract.]
Farquharson, C.G., D.W. Oldenburg, E. Haber and R. Shekhtman.
An algorithm for the three-dimensional inversion of magnetotelluric
data, 72nd Meeting of the Society of Exploration Geophysicists,
Salt Lake City, Utah, 6-11 October 2002.
[
PDF file of talk;
expanded abstract.]