Yaoguo Li

Contact Information:

• BININV3D (2006): Software library used to recover a 3D distribution of density contrast from gravity data using a binary formulation. Developers are R Krahenbuhl, Y. Li. , and K. Davis

• GG3D (2004): This is a software library used to recover a 3D distribution of density contrast from gravity gradient data. This software is licensed through CSM to members of the GMRC research consortium, CGEM

• GG3D (2003): Software library used to recover a 3D distribution of density contrast from measured gravitygradient tensor data. Developer is Y. Li.

• EEDECON (2002): Extended Euler deconvolution of magnetic data to estimate source depth. Developers are M. Nabighian, M. Pessel, and Y. Li

• GGDNS (2001): Automated denoising of gravity gradiometry data using wavelet transforms. Developers are J. Lyrio, L. Tenorio, and Y. Li

• Sanchez, V., Li, Y., Nabighian, M, and Wright, D, 2008, Numerical modeling to identify relative contributions of high-order magnetic moments in UXO discrimination, IEEE Trans. Geoscience and Remote Sensing, In press.

• Kirkendall, B., Li., Y., and Oldenburg, D. W., 2007, Imaging cargo containers using gravity gradiometry, IEEE Trans. Geoscience and Remote Sensing, 45, 1786-1797

• Krahenbuhl, R., A., and Li, Y., 2006, Inversion of gravity data using a binary formulation, Geophys., J. Int., 167, 543-556

• Dannemiller, N., and Li, Y., 2006, A new method for estimation of magnetization direction, Geophysics, 71, L69-L73.

• M. N. Nabighian, V. J. S. Grauch, R. O. Hansen, T. R. LaFehr, Y. Li, J. W. Peirce, J. D. Phillips, and M. E. Ruder, 2005, The historical development of the magnetic method in exploration, Geophysics, 70, 33-61

• M. N. Nabighian, M. E. Ander, V. J. S. Grauch, R. O. Hansen, T. R. LaFehr, Y. Li, W. C. Pearson, J. W. Peirce, J. D. Phillips, and M. E. Ruder, 2005, Historical development of the gravity method in exploration, Geophysics, 70,pp. 63-89

• Oldenburg, D. W. and Li, Y., 2005, Inversion for applied geophysics: A tutorial. Invited chapter in Investigations in Geophysics No.13: Near-surface, D. K. Butler Ed. Soc. Expl. Geophy, 89-150.

• Lyrio, J., Tenorio, L., and Li, Y., 2003, Efficient automatic denoising of gravity gradiometry data using wavelet transforms, Geophysics, 69, 772-782

• Li, Y. and Oldenburg, D. W., 2003, Fast inversion of large-scale magnetic data using wavelet transforms and logarithmic barrier method, Geophysical Journal International, 152, 251-265.

• Li, Y. and Oldenburg, D. W., 2001, Stable reduction to the pole at the magnetic equator, Geophysics, 66, 571-578.

• Phillips, N., Oldenburg, D. W., Chen, J., Li, Y., and Routh, P., 2001, Cost effectiveness of geophysical inversions in mineral exploration: Applications at San Nicolas, The Leading Edge, 20, 1351

• Li, Y. and Oldenburg, D. W., 2000, 3D inversion of induced polarization data, Geophysics, 65, 1931-1945.

• Li, Y. and Oldenburg, D. W., 2000, Joint inversion of surface and three-component borehole magnetic data, Geophysics, 65, 540-552.

• Li, Y. and Oldenburg, D. W., 2000, Incorporating geological dip information into geophysical inversions, Geophysics, 65, 148-157

• Farquharson,C.G., Oldenburg, D.W., and Li, Y., 1999, An Approximate Inversion Algorithm for Time-Domain Electromagnetic Surveys, Journal of Applied Geophysics, 42, 71-80

• Oldenburg, D. W. and Li, Y., 1999, Estimating depth of investigation in DC resistivity and IP surveys, Geophysics, Geophysics, 64, 403-416

• Oldenburg, D. W., Li, Y., Farquharson, C. G., Kowalczyk, P., Aravanis, T., King, A., Zhang, P, and Watts, A., 1998, Applications of geophysical inversions in mineral exploration problems, The Leading Edge, 17, 461-464

• Li, Y. and Oldenburg, D. W., 1998, Separation of regional and residual magnetic field data, Geophysics, 63, 431-439

• Li, Y. and Oldenburg, D. W., 1998, 3D inversion of gravity data, Geophysics, 63, 109-119

• Oldenburg, D. W., Li, Y., and Ellis, R. G., 1997, Inversion of geophysical data over a copper-gold porphyry deposit: A case history for Mt. Milligan, Geophysics, 62, 1419-1431

• Li, Y. and Oldenburg, D. W., 1996, 3D inversion of magnetic data, Geophysics, 61, 394-408

• Oldenburg, D. W. and Li, Y., 1994, Inversion of induced polarization data, Geophysics, 59, 1327-1341

• Oldenburg, D. W. and Li, Y., 1994, Subspace linear inverse method, Inverse Problems, 10, 915-935

• Li, Y. and Oldenburg, D. W., 1993, Inversion of 3D DC resistivity data using an approximate inverse mapping, Geophys. J. Int., 116, 527–537.

• Li, Y. and Oldenburg, D. W., 1992, Approximate inverse mappings in DC resistivity experiments, Geophys. J. Int., 109, 342-362

• Li, Y. and Oldenburg, D. W., 1991, Aspects of charge accumulation in DC resistivity experiments, Geophysical Prospecting, 39, 803-826

• Davis, K. and Li, Y., 2007, Joint processing of total-field and gradient data using equivalent sources, SEG Expanded Abstracts, 77th SEG Annual Meeting

• Kass, M. A.,and Li, Y., 2007,Practical aspects of terrain correction in airborne gravity gradiometry, SEG Expanded Abstracts, 77th SEG Annual Meeting

• Kass, M. A.,and Li, Y., 2007, Efficient terrain correction in airborne and seaborne gravity gradiometry surveys, ASEG Extended Abstracts, Perth, WA

• Li, Y. and Davis, K., 2007, Time-lapse gravity: a potential-field method for ground water problems. SEG Groundwater Expo, Orlando, Florida.

• Davis, K. and Li, Y., 2007, A fast approach to magnetic equivalent source processing using an adaptive quadtree mesh discretization, ASEG Extended Abstracts, Perth, WA

• Krahenbuhl, R. and Li, Y., 2007, Influence of self-demagnetization effect on data interpretation in strongly magnetic environments, ASEG Extended Abstracts, Perth, WA

• Sanchez, V., Li, Y., Nabighian, M., and Wright, D., 2006, Relative importance of magnetic moments in UXO clearance applications, SEG Expanded Abstracts, 76th SEG Annual Meeting

• Davis, K., Li, Y., and Nabighian, M., 2005, automatic detection of UXO anomalies using extended Euler deconvolution, SEG Expanded Abstracts 24

• Sinex, D., Li, Y., and Yule, D., 2005, Improving UXO discrimination using magnetic quadrupole moments, SEG Expanded Abstracts 24, 680

• Davis, K., Li, Y., Batzle, M., and Raynolds, R., 2005, Time-lapse gravity monitoring of an aquifer storage recovery project in Leyden, Colorado, SEG Expanded Abstracts 24, 639

• Lee, J., Li, Y., and Lane, R., 2005, Effects of data filtering on inversion of gravity gradient data, SEG Expanded Abstracts 24, 627

• Mehta, K., Nabighian, N., Li, Y., and Oldenburg., D. W., 2005, Controlled source electromagnetic (CSEM) technique for detection and delineation of hydrocarbon reservoirs: an evaluation, SEG Expanded Abstracts 24, 546

• Davis, K., Li, Y., and Nabighian, M., 2005, Automatic detection of UXO magnetic anomalies using extended Euler deconvolution, SEG Expanded Abstracts 24, 1133

• Sanchez, V., Sinex, D., Li, Y., Nabighian, M., Wright, D., and Smith, D., 2005, Processing and inversion of magnetic gradient tensor data for UXO applications, Proceedings of 18th Symposium on Application of Geophysics in Environmental and Engineering Problems.

• Li, Y., Shearer, S., Haney, M., and Dannemiller, N., 2004, Comprehensive approaches to the inversion of magnetic data with strong remanent magnetization, Expanded Abstract, 74th Ann. Internat. Mtg., Soc. Expl. Geophys.

• Krahenbuhl, R., and Li, Y., 2004, Hybrid optimization for a binary inverse problem, Expanded Abstract, 74th Ann. Internat. Mtg., Soc. Expl. Geophys.

• Shearer, S., and Li., Y., 2004, 3D Inversion of magnetic total gradient data in the presence of remanent magnetization, Expanded Abstract, 74th Ann. Internat. Mtg., Soc. Expl. Geophys.

• Dannemiller, N., and Li, Y., 2004, A new method for determination of magnetization direction, Expanded Abstract, 74th Ann. Internat. Mtg., Soc. Expl. Geophys.

• Zhu, Y., and Li., Y., 2004, 3-D inversion of induced polarization data in wavelet domain, Expanded Abstract, 74th Ann. Internat. Mtg., Soc. Expl. Geophys.

• Sinex, D., and Li, Y., 2004, Effects of magnetic soils on magnetometry in UXO discrimination problems, Proceedings of 18th Symposium on Application of Geophysics in Environmental and Engineering Problems.

• 2007: Organizer (with Alan Herring) SEG Workshop on 4D Gravity Monitoring of Reservoirs and Aquifers

• 2002: Organizor (with M. Nabighian) Workshop on Automated Depth Estimation Techniques in Potential-methods. The workshop was attended by over 50 potential-field specialists and students from United States, Australia, Canada, and United Kingdom.

• 2000: Organizor (with M. Nabighian, P. Millegan, G. Hensel, E. Biegert) a Virtual Global Workshop on the Application of Wavelets in Potential Fields to introduce wavelet transforms and related algorithms to gravity and magnetic community. The workshop was broadcast through the internet to 11 remote sites in the United States, Australia, Canada, Finland, and United Kingdom, with over 100 attendants.

• 2000: Co-taught (with D. Oldenburg) a special presentation short course “Inversion of DC resistivity, IP and magnetic data for mineral exploration” at the 70th Ann. Internat. Mtg., Soc. Expl. Geophys.

• 1999: Co-developed the course materials for, and co-presented, “3D inversion of magnetic data”. A one-day workshop held by UBC-Geophysical Inversion Facility to disseminate modern inversion methodology and algorithms to mining and petroleum industries.

• 1998: Co-developed the course materials for, and co-presented, “Inversion Workshop: Principles and applications to DC resistivity and IP data.” A one-day workshop held by UBC-Geophysical Inversion Facility to disseminate modern inversion methodology and algorithms to mining industry.