Dr. Colin G. Farquharson: Publications

  • Jones, A.G., J. Ledo, I.J. Ferguson, C. Farquharson, X. Garcia, N. Grant, G. McNeice, B. Roberts, J. Spratt, G. Wennberg, L. Wolynec, and X. Wu, 2005. The electrical resistivity structure of Archean to Tertiary lithosphere along 3200 km of SNORCLE profiles, northwestern Canada, Canadian Journal of Earth Sciences, 42, 1257-1275.
  • Farquharson, C.G., and D.W. Oldenburg, 2004. A comparison of automatic techniques for estimating the regularization parameter in nonlinear inverse problems, Geophysical Journal International, 156, 411-425. [Abstract]
  • Farquharson, C.G., D.W. Oldenburg and P.S. Routh, 2003. Simultaneous one-dimensional inversion of loop-loop electromagnetic data for magnetic susceptibility and electrical conductivity, Geophysics, 68, 1857-1869. [Abstract]
  • Farquharson, C.G., and D.W. Oldenburg, 2002. An integral-equation solution to the geophysical electromagnetic forward-modelling problem, in Three-Dimensional Electromagnetics: Proceedings of the Second International Symposium, M.S. Zhdanov and P.E. Wannamaker (eds), Elsevier, 3-19. [Info about the book.]
  • Farquharson, C.G., D.W. Oldenburg and Y. Li, 1999. An Approximate Inversion Algorithm for Time-Domain Electromagnetic Surveys, Journal of Applied Geophysics, 42, 71-80.
  • Farquharson, C.G., and D.W. Oldenburg, 1999. Approximate Sensitivities for the Multi-Dimensional Electromagnetic Inverse Problem, in Three-Dimensional Electromagnetics, M.L. Oristaglio and B.R. Spies (eds), Society of Exploration Geophysicists, 256-264.
  • Farquharson, C.G., and D.W. Oldenburg, 1998. Nonlinear inversion using general measures of data misfit and model structure, Geophysical Journal International, 134, 213-227.
  • Oldenburg, D.W, Y. Li, C.G. Farquharson, P. Kowalczyk, T. Aravanis, A. King, P. Zhang and A. Watts, 1998. Applications of Geophysical Inversions in Mineral Exploration Problems, The Leading Edge, 17, 461-465.
  • Farquharson, C.G., and D.W. Oldenburg, 1996. Approximate sensitivities for the electromagnetic inverse problem, Geophysical Journal International, 126, 235-252.
  • Ogawa, Y., A.G. Jones, M.J. Unsworth, J.R. Booker, X. Lu, J. Craven, B. Roberts, J. Parmelee, C. Farquharson, 1996. Electrical conductivity structures of the Appalachian Orogen, Geophysical Research Letters, 23, 1597-1600.
  • Farquharson, C.G., and D.W. Oldenburg, 1993. Inversion of time-domain electromagnetic data for a horizontally layered Earth, Geophysical Journal International, 114, 433-442.
  • Ellis, R.G., C.G. Farquharson and D.W. Oldenburg, 1993. Approximate Inverse Mapping inversion of the COPROD2 data, Journal of Geomagnetism and Geoelectricity, 45, 1001-1012.
  • Jones, A.G., J.A. Craven, G.W. McNeice, I.J. Ferguson, T. Boyce, C.G. Farquharson and R.G. Ellis, 1993. North American Central Plains conductivity anomaly within the Trans-Hudson orogen in northern Saskatchewan, Canada, Geology, 21, 1027-1030.
  • Farquharson, C.G., and R. Thompson, 1992. The Blairgowrie magnetic anomaly and its interpretation using simplex optimisation, Transactions of the Royal Society of Edinburgh: Earth Sciences, 83, 509-518.


Selected conference presentations

  • 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.]
  • Farquharson, C.G., D.W. Oldenburg, E. Haber and R. Shekhtman. Three-dimensional forward-modelling and inversion algorithms for magnetotelluric data, 16th Workshop on Electromagnetic Induction in the Earth, 16-22 June 2002.
  • Farquharson, C.G., and D.W. Oldenburg. Inversion of airborne electromagnetic data for conductivity and susceptibility, Annual Meeting of the Canadian Geophysical Union, Ottawa, Ontario, 14-17 May 2001.

Contact

Earth Sciences

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Tel: (709) 864-2530

Fax: (709) 864-2552

becomestudent@mun.ca