Alfonso Benavides-Iglesias

Research

Near-Surface Geophysics, Control-Source Electromagnetics, Geophysical instrumentation

Selected Publications

Benavides, A., Everett, M. E., and Pierce Jr., C., 2009, Unexploded ordnance discrimination using time-domain electromagnetic induction and self-organizing maps, Stochastic Environmental Research and Risk Assessment, 23, 2, 169-179, DOI: 10.1007/s00477-007-0211-5.

Benavides, A. and Everett, M. E., 2007, Non-linear inversion of controlled source multi-receiver electromagnetic induction data for unexploded ordnance using a continuation method, Journal of Applied Geophysics, 61, 243-253.

Stalnaker, J. L., Everett, M. E., Benavides, A., and Pierce Jr., C. J., 2006, Mutual induction and the effect of host conductivity on the EM induction response of buried plate targets using 3-D finite-element analysis. IEEE Transactions on Geoscience and Remote Sensing 44, 2, 251-259. 10.1109/TGRS.2005.860487.

Benavides I., A. and Everett, M. E., 2005. Target signal enhancement in near-surface controlled-source electromagnetic data. Geophysics 70, 3, G59-G67.

Everett, M. E., Benavides, A. and Pierce, C., 2005. An experimental study of the time-domain electromagnetic response of a buried conductive plate. Geophysics 70, 1, G1-G7.

M. Martínez S, G. Garbán, A. Benavides, M. Escobar N., I. Esteves, 2005. Detection and interpretation of cyclic patterns in coals from Los Cuervos Formation, Venezuela. Revista Téc. Ing. Univ. Zulia. 28, 3, 240-250.

Benavides, A., Everett, M., Pierce, C., and Nguyen, C. 2003. Fractal properties of background noise and target signal enhancement using CSEM data; Detection and remediation technologies for mines and minelike targets VIII. SPIE.

A. Benavides, S. González, D. Barrantes, and M. Martín-Landrove, 2001. Simulated relaxation rate and local magnetic field distributions in porous systems. Ciencia 9 (2), 235-238.

Bonalde, I., Martín-Landrove, M., Benavides, A., Martín, R., and Espidel, J. 1995. A NMR Relaxation Study of Wettability of Porous Rocks at Different Magnetic Fields. Journal of Applied Physics, 78 (10), 6033-6038.

                  Book Chapters

D. Pérez, A. Benavides, S. González, D. Barrantes, and M. Martín-Landrove. 1998. Relaxation-Diffusion Processes and Local Field Distributions in Natural Porous Media. In: Spatially Resolved Magnetic Resonance; P. Blümler, B. Blümich, R. Botto and E. Fukushima, editors. P. 617-626. Wiley-VCH.

                  Conference proceedings and presentations

Mutual coupling of conductive, permeable targets and its effects on CSEM responses, Mukherjee, S., Everett, M., Benavides, A., Fernandes, R., 2012 SEG Meeting.

A. Benavides and Mark E. Everett, 2011, Assessment of the cooperative source concept for single target classification using a EM63 metal detector. 24th Symposium on the Application of Geophysics to Engineering and Environmental Problems, SAGEEP 2011, April 10-14, Charlotte, SC, U.S.A.

A. H. Bouma, A. M. Delery and A. Benavides-Iglesias, 2006. Basin characteristics, tectonic history and grain size are main influences in the transport and deposition of turbidity currents. Gulf Coast Association of Geological Societies, GCAGS Convention. September 25-27, 2006. Lafayette Louisiana, USA.

 

A. Benavides, M. E. Everett, and C. Nguyen. Multi-receiver array design study for a time-domain EM induction prototype sensor. Partners in Environmental technology. Technical symposium and workshop. Nov. 30 - Dec. 2, 2004, Marriott Wardman Park Hotel, Washington, D.C.

Pierce, Carl J., Benavides, Alfonso, 2003.  Characterizing dam leakage/reservoir seepage using electromagnetic induction and d.c. resistivity, Southeast Texas,   Geological Society of America, Abstracts with Programs, Vol. 35, No. 6, p. 142

Pierce, C., Benavides, A. and Everett, M. E., 2003. UXO detection improvements using EM63 synthetic multi-receiver array geometries. SEG Proceedings. Dallas, Texas.

Benavides, A., Everett, M., Pierce, C., and Nguyen, C. 2003. Fractal properties of background noise and target signal enhancement using CSEM data; Detection and remediation technologies for mines and minelike targets VIII. SPIE Proceedings.

Benavides, A. And Everett, M., 2002, Geological noise and target signals in controlled source electromagnetic data, SEG Expanded Abstracts 21, 1598-1601.

R. Whilchy Morales, A. Cataldi, N. Orihuela, A. Benavides y A. Sena. 2002. Resultados preliminares de un estudio geofísico de la mineralización de Santa Isabel, Distrito Roscío, Edo. Guárico, Venezuela. XII Venezuelan Geophysical Conference, Hilton Hotel, Caracas.

A. Benavides, D. Pérez, A. Sena y C. López E. 2000. Utilización de la instrumentación virtual para la determinación de resistividades aparentes. X Venezuelan Geophysical Conference, Hilton Hotel, Caracas.

G. Jaimes, P. Lopez, M. Martin-Landrove y A. Benavides. 2000. Diseño y desarrollo de un receptor para resistividades e IP. X Venezuelan Geophysical Conference, Hilton Hotel, Caracas.

F. Fernández, A. Cataldi y A. Benavides, 2000. Adquisición, Procesamiento e Interpretación de Métodos Potenciales en el Oriente del País. X Venezuelan Geophysical Conference, Hilton Hotel, Caracas.

D Pérez-Nunez, A. Benavides, and M. Martín-Landrove, 1997. Relaxation-Diffusion Processes and Magnetic Field Distributions in Natural Porous Media. ENC 38th Experimental Nuclear Magnetic Resonance Conference, March 23-27, 1.997, Orlando-Florida, USA.

D Pérez-Nunez, A. Benavides, and M. Martín-Landrove, 1997. Relaxation-Diffusion Processes and Magnetic Field Distributions in Natural Porous Media. 4th Intl. Conference on Magnetic Resonance Microscopy and Macroscopy, September 1997, Albuquerque, New Mexico, USA.

Education

Ph.D. in Geophysics, Texas A&M University (2007)

Lic. in Physics, Universidad Central de Venezuela (1995)

Additional Information

Consultant for PB&A, Inc. in Austin, TX and for RBT Oil Group in Bogota, Colombia

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