Refereed Journal Publications

Robinson D.A., Binley A., Crook N., Day-Lewis F.D., Ferre T.P.A., Grauch V.J.S. Knight R., Knoll M., Lakshmi V., Miller R., Nyquist J., Pellerin L., Singha K., and Slater L., 2006. A vision for geophysics instrumentation in watershed hydrological research. Submitted to Hydrologic Processes, March 2007.

Keating, K., and R. Knight, A Laboratory Study of the Effects of Magnetite on NMR Relaxation Rates, submitted to Journal of Applied Geophysics, January 2007.

Pidlisecky, and R. Knight,  FW2.5D: A MATLAB 2.5-D Electrical resistivity modeling code, submitted to Computers and Geosciences, 2006.

Knight, R., Irving, J., Tercier, P., Freeman, G., Murray, C., and Rockhold, M. A comparison of the use of radar images and neutron probe data to determine the horizontal correlation length of water content. Submitted to AGU Monographs, 2006.

Bryar, T.R. and R.J. Knight, NMR Relaxation Measurements to Quantify Immiscible Organic Contaminants in Sediments, in revision, Water Resources Research. 2006.

Irving, J., Knoll, M., and Knight, R., Improving crosshole GPR travel-time tomography between closely spaced boreholes at the Boise Hydrogeophysical Research Site, Geophysics, 72(4), J31-J41, 2007.

Pidlisecky, A., E. Haber, and R. Knight, RESINVM3D: A MATLAB 3-D Resistivity Inversion Package, Geophysics, 72(2), H1-H10, 2007.

Keating, K., and R. Knight, A laboratory study to determine the effect of iron-oxides on proton NMR measurements, Geophysics, 72(1), E27-E32, 2007.

Moysey, S., R.J. Knight, and H.M. Jol, Texture based classification of ground-penetrating radar images, Geophysics, 71(6), K111-K118, 2006.

Pidlisecky, A., R. Knight, and E. Haber, Cone-based Electrical Resistivity Tomography, Geophysics, 71(4), G157-G167, 2006.

Irving, J. and Knight, R.  Numerical modeling of ground-penetrating radar in 2-D using MATLAB, Computers and Geosciences, 32, 1247-1258, 2006b.

Irving, J. and Knight, R.  Numerical simulation of antenna transmission and reception for crosshole ground-penetrating radar, Geophysics, 71(2), K37-K45, 2006a.

Moysey S., K. Singha, and R. Knight, A framework for inferring field-scale rock physics relationships through numerial simulation, Geophysical Research Letters, 32, DOI 10.1029/2004GL022152, 2005.

Irving, J. and Knight, R.  Effect of antenna length on velocity estimates obtained from crosshole GPR data, Geophysics, 70(5), K39-K42, 2005.

Knight, R., P. Tercier, and J. Irving, The effect of vertical measurement resolution on the correlation structure of a ground penetrating radar reflection image, Geophys. Res. Lett., 31, L21607, doi:10.1029/2004GL021112, 2004.

Moysey S. and R.J. Knight, Modeling the field-scale relationship between dielectric constant and water content in heterogeneous systems, Water Resources Research, 40, DOI 10.1029/2003WR002589, 2004.

Moysey S., J. Caers, R.J. Knight, R.M. Allen-King, Stochastic estimation of facies using ground penetrating radar data, Stochastic Environmental Research and Risk Assessment, 17, 306–318, 2003.

Irving, J.D., and R.J. Knight, Removal of wavelet dispersion from ground-penetrating radar data, Geophysics, 68, 960-970, 2003.

Bryar, T.R. and R.J Knight, Laboratory studies of the effect of sorbed oil on proton nuclear magnetic resonance, Geophysics, 68, 942-948, 2003.

Taylor, R., and R.J. Knight, An inclusion-based model of elastic wave velocities incorporating patch-scale fluid pressure relaxation, Geophysics, 68, 1503-1509, 2003.

Taylor, R., and R.J. Knight, Incorporating mechanisms of fluid pressure relaxation into inclusion-based models of elastic wave velocities, Geophysics, 68, 1173-1181, 2003.

Jarvis, K., and R.J. Knight, Aquifer heterogeneity from SH-wave seismic impedance inversion, Geophysics, 67, 1548-1557, 2002.

Bryar, T.R. and R.J. Knight, Sensitivity of nuclear magnetic resonance relaxation measurements to changing soil redox conditions, Geophys. Res. Let., 29(#24), 2197-2200, 2002. (doi:10.1029/2002GL016043)

Knight, R.J., Ground penetrating radar for environmental applications, Annu. Rev. Earth Planet. Sci., 29, 229-55, 2001. Copyright held by Annual Reviews.

Li, C., P. Tercier, and R.J. Knight, The effect of adsorbed oil on the dielectric properties of sand and clay, Water Resources Research, 37, 1783-1793, 2001.

Chan, C.Y. and R.J. Knight, Laboratory measurements of electromagnetic wave velocity in layered sands, Water Resources Research, 37, 1099-1105, 2001.

Bryar, T., C. Daughney, and R.J. Knight, Paramagnetic effects of iron (III) species on nuclear magnetic relaxation of fluid protons in porous media, Journal of Magnetic Resonance, 142, 74-85 (2000).

Daughney, C., T. Bryar, and R.J. Knight, Detecting sorbed hydrocarbons in a porous medium using proton nuclear magnetic resonance, Environmental Science and Technology, 34, 332-337 (2000).

Tercier, P., R.J. Knight, and H. Jol, A comparison of the correlation structure in GPR images of deltaic and barrier-spit depositional environments, Geophysics, 65, 1142-1153, 2000.

Jarvis, K., and R.J. Knight, Near-surface VSP surveys using the seismic cone penetrometer, Geophysics, 65, 1048-1056, 2000.

Chan, C.Y., and R.J. Knight, Determining water content and saturation from dielectric measurements in layered materials, Water Resources Research, 35, 85-93, (1999).

Rust, A.C., J.K. Russell, and R.J. Knight, Dielectric constant as a predictor of porosity in dry volcanic rocks, Journal of Vocanology and Geophysical Research, 91, 79-96, (1999)

Goertz, D., and R.J. Knight, Elastic wave velocities during evaporative drying, Geophysics, 63, 171-183, (1998).

Knight, R.J., J. Dvorkin, and A. Nur, Acoustic signatures of partial saturation, Geophysics, 63, 132-138, (1998).

Rea, J., and R.J. Knight, Geostatistical analysis of ground penetrating radar data: A means of describing spatial variation in the subsurface, Water Resources Research, 34, 329-339, (1998).

Butler, D., and R.J. Knight, The electrical conductivity of steam-flooded, clay-bearing geologic materials, Geophyiscs, 63, 1137-1149, (1998).

Kanters, W., R.J. Knight, and A. Mackay, Effects of wettability and fluid chemistry on the proton NMR T1 in sands, Journal of Environmental and Engineering Geophysics, 3, 197-202, (1998).

Endres, A.L., and R.J. Knight, Incorporating pore geometry and fluid pressure communication into modeling the elastic behavior of porous rocks, Geophysics, 61, 106-117, (1997).

Suman, R., and R.J. Knight, Effects of pore structure and wettability on the electrical resistivity of partially saturated rocks--A network study, Geophysics, 62, 1151-1162, (1997).

Knight, R.J., P. Tercier, and D. Goertz, A laboratory procedure for estimating irreducible water saturation from cuttings, The Log Analyst, The Log Analyst, 37, 18-24, (1996).

Knight, R.J., and A. Abad, Rock/water interaction in dielectric properties: Experiments with hydrophobic sandstones, Geophysics, 60, 431-436, (1995).

Butler, D.B. and R.J. Knight, The effect of steam quality on the electrical behavior of steam-flooded sands: A laboratory study, Geophysics, 60, 998-1006, (1995).

Berkowitz, B. and Knight, R.J., Continuum percolation conductivity exponents in restricted domains, J. Statistical Physics, 80, 1415-1423, (1995).

Hedberg, S. A., R.J. Knight, A.L. MacKay, and K.P. Whittall, The use of nuclear magnetic resonance for studying and detecting hydrocarbon contaminants in porous rocks, Water Resources Research, 29, 1163-1170, (1993).

Endres, A. L., and R.J. Knight, A model for incorporating surface phenomena into the dielectric response of a heterogeneous medium, Journal of Colloid and Interface Science, 157, 418-425, (1993).

Endres, A.L. and R.J. Knight, A theoretical assessment of the effect of microscopic fluid distribution on the dielectric response of partially saturated rocks, Geophysical Prospecting, 40, 307-324, (1992).

Knight, R.J. and J. Dvorkin, The seismic and electrical properties of sandstones at low saturations, Journal of Geophysical Research, 97, 17425-17432, (1992).

Endres, A.L., and Knight, R.J., The effects of pore scale fluid distribution on the physical properties of partially saturated tight sandstones, Journal of Applied Physics, 69, 1091-1098, (1991).

Knight, R., Hysteresis in the electrical resistivity of partially saturated sandstones, Geophysics, 56, 2139-2147, (1991).

Knight, R.J. and A. Endres, A new concept in modeling the dielectric response of sandstones: Defining a wetted rock and bulk water system, Geophysics, 55, 586-594, (1990).

Knight, R.J., A. Chapman, and M. Knoll, Numerical modelling of microscopic fluid distribution in porous media, Journal of Applied Physics, 68, 994-1001. (1990).

Knight, R.J. and R. Nolen-Hoeksema, A laboratory study of the effect of pore scale fluid distribution on elastic wave velocities, Geophysical Research Letters, 17, 1529-1532, (1990).

Endres, A. and R.J. Knight, The effect of microscopic fluid distribution on elastic wave velocities, The Log Analyst, 30, 437-445, (1989).

Knight, R.J. and A. Nur, The dielectric constant of sandstones, 60 kHz to 4 MHz, Geophysics, 52, 644-654, (1987).

Knight, R.J. and A. Nur, Geometrical effects in the dielectric response of partially saturated sandstones, The Log Analyst, 28, 513-519, (1987).

Knight, R.J., The use of complex plane plots in studying the electrical response of rocks, Journal of Geomagnetism and Geoelectricity, 35, 767 776 (1984).

Farrar, E. and R.J. Knight, K Ar and fission track geochronometry of an Eocene thermal event in the Kettle River (West Half) Map Area, Southern British Columbia: Discussion, Canadian Journal of Earth Sciences, 13, 182 183 (1975).

Refereed Short Notes/Discussions

Slater, L., R. Knight, K. Singha, A. Binley, and E. Atekwana (2006), Near-Surface Geophysics: A New Focus Group, Eos Trans. AGU, 87(25), 249.

Robinson, D., Selker, J., Bowden, B., Duncan, J., Durant, J., Hooper, R., Jacobs, J., and Knight, R., Survey Provides Guidance for Consortium's Hydrologic Measurement Facility, Eos Trans. AGU, 87(23), 222, 2006.

Book Chapter

Knight, R. and Endres, A. L., An Introduction to Rock Physics for Near-Surface Applications in
Near-Surface Geophysics, Volume 1: Concepts and Fundamentals, D. Butler (ed.), Society of Exploration Geophysicists, Tulsa, OK, pp. 31-70, 2005.

Major Government Publications

Rea, J., Knight, R. and Ricketts, B.D., Ground-penetrating radar survey of the Brookswood aquifer, Fraser Valley, British Columbia, Current Research 1994-A, Geological Survey of Canada, 211-216, (1994).

Rea, J., Knight, R. and Ricketts, B.D., Compilation of ground-penetrating radar data from the Brookswood aquifer, Fraser Valley, British Columbia, Geological Survey of Canada, Open File Report, (1994).

Rea, J., and Knight, R., Characterization of the Brookswood aquifer using ground penetrating radar, in Geological Survey of Canada Bulletin: Aquifer Delineation, Fraser Lowlands and Delta, B.C.: Mapping, Geophysics, and Groundwater Modelling, B.D. Ricketts (ed.), (1998).

Turner, R.J.W., Knight, R.J., and Rick, J., Geological landscape of the pre-Inca archeological site at Chavin de Huantar, Peru. Current Research 1999-D, Geological Survey of Canada, 47-56, (1999).

Student Theses

Moysey, S., A quantitative investigation of the use of ground-penetrating radar in hydrogeology, PhD Dissertation, Stanford University, 2005.

Pidlisecky, A., Cone-based electrical resistivity tomography, PhD Dissertation, Stanford University, 2006.

Irving, J., Improving tomographic estimates of subsurface electromagnetic wave velocity obtained from crosshole ground-penetrating radar data, PhD Dissertation, Stanford University, 2006.

Non-Refereed Full Length Publications

Knight, R., Tercier, P., and Jol, H., The role of ground penetrating radar and geostatistics in reservoir description, The Leading Edge, 16, 1576-1581, (1997).

Knight, R. and Pidlisecky, A., Cone-based geophysical imaging: A proposed solution to a challenging problem, The Leading Edge, 24, 34-38, 2005.

Robinson D.A., Binley A., Crook N., Day-Lewis F.D., Ferre T.P.A., Grauch V.J.S. Knight R., Knoll M., Lakshmi V., Miller R., Nyquist J., Pellerin L., Singha K., and Slater L., 2006. A vision for geophysics instrumentation in watershed hydrological research. A report to the consortium of universities for the advancement of hydrologic sciences Inc, Washington, US.

Full Length Conference/Symposium Papers

Moysey, S., R.J. Knight, and K. Singha, Relating geophysical and hydrologic properties using field-scale rock physics, CMWR XVI -- Computational Methods in Water Resources Copenhagen, Denmark. 8 p., 2006.

Irving, J. and Knight, R. Accounting for the effect of antenna length to improve crosshole GPR velocity estimates. Proceedings of the SEG 75th Annual Meeting, Houston, TX, November 2005.

Bryar, T.R. and R.J. Knight, Detection limits for immiscible liquid organic contaminants using proton nuclear magnetic resonance, Proceedings of the Symposium on the Application of Geophysics to Engineering and Environmental Problems, vol. 2003, pp. 961-972, April 6-10, 2003, San Antonio, TX, 2003.

Irving, J.D., and Knight, R.J., Saturation-dependent anisotropy in borehole radar data, Proceedings of the Symposium on the Application of Geophysics to Engineering and Environmental Problems, April 6-10, 2003, San Antonio, TX, 2003.

Knight, R. J., Irving, J., Freeman, E., and Tercier, P., The use of ground penetrating radar for site characterization at Hanford, Proceedings of the Symposium on the Application of Geophysics to Engineering and Environmental Problems, April 6-10, 2003, San Antonio, TX, 2003.

Pidlisecky, A., Haber, E., Knight, R. J., Assessment of the Use of Cone-Based Resistivity Imaging, Proceedings of the Symposium on the Application of Geophysics to Engineering and Environmental Problems, April 6-10, 2003, San Antonio, TX, 2003.

Moysey, S., R.J. Knight, R.M. Allen-King and J. Caers, The construction of stochastic facies-based models conditioned to ground penetrating radar images, 4th International Conference on Calibration and Reliability in Groundwater Modelling, Universita Karlova, Prague, Czech Republic, ModelCARE2002 Proceedings, 344-348, 2002.

Irving, J. and Knight, R. 2000. Estimation and correction of wavelet dispersion in GPR data, In: GPR 2000, Proceedings of the Eighth International Conference on Ground Penetrating Radar, Gold Coast, Australia, p. 123-129.

Jarvis, K., R. Knight, and J. Howie, Geotechnical applications of VSP surveys using the seismic cone penetrometer, Conference Proceedings from Symposium on the Application of Geophysics to Engineering and Environmental Problems (SAGEEP), Oakland CA , pp.11-20, March, 1999.

Chan, C., and R. Knight, Accounting for saturation heterogeneity in obtaining estimate of water content from dielectric data, Conference Proceedings from The Symposium on the Application of Geophysics to Engineering and Environmental Problems (SAGEEP), Oakland CA., pp. 435-444, March, 1999.

Knoll, M.D., Knight, R.J. and Brown, E., Can accurate estimates of permeability be obtained from measurements of dielectric properties? Proceedings, Symposium for the Application of Geophysics to Environmental and Engineering Problems, Orlando, FL, (1995).

Rea, J., and Knight, R.J., The use of ground penetrating radar for aquifer characterization: an example from southwestern British Columbia, Proceedings, Symposium for Application of Geophysics to Environmental and Engineering Problems, 23-26 April, Orlando, FL, 10 pages (1995).

Knight, R.J., Tercier, P., and Goertz, D., A laboratory procedure for estimating irreducible water saturation from cuttings, Society of Professional Well Log Analysts 36th Annual Symposium Transactions, (1995).

Knight, R.J., An Assessment of Geophysical Techniques for the Direct Detection of Groundwater Contaminants: A Rock Physics Perspective, Proceedings Canadian Geotechnical Society 48th Conference, Vancouver, September 1995.

Knoll, M.D., and Knight, R.J., Dielectric and hydrogeologic properties of sand-clay mixtures, Proceedings of the Fifith International Conference on Ground Penetrating Radar, Kitchener, Canada, (1994).

Gerlitz, K., Knoll, M. D., Cross, G. M., Luzitano, R. D., and Knight, R., Processing ground penetrating radar to improve resolution of near-surface targets, Proceedings of the Symposium on the Application of Geophysics to Environmental and Engineering Problems, San Diego, Ca., (1993).

Endres, A.L. and Knight, R.J., Incorporating pressure communication into models for the elastic wave velocities of porous rocks: Connecting the borehole to laboratory measurements, Trans. SPWLA 34nd Annual Logging Symposium, Paper JJ, 1-16, (1993).

Knight, R.J. and Endres, A., Surface conduction at the hydrocarbon/water interface, Trans. SPWLA 32nd Annual Logging Symposium, Paper I, 1-10, (1991).

Knoll, M., Haeni, P., and Knight, R.J., Characterization of a sand and gravel aquifer using ground penetrating radar, Cape Cod, Massachusetts, in Proceedings of USGS Toxic Substances Hydrology Technical Meeting, Monterey, Ca., March (1991).

Knight, R.J., The effect of saturation history on electrical measurements, in Proceedings of the 4th International MGLS/KEGS Symposium on Borehole Geophysics for Minerals, Geotechnical, and Groundwater Applications, Toronto, 18-22 August (1991).

Chapman, A. and Knight, R.J., The characterization of pore geometry with nuclear magnetic resonance, Canadian Well Logging Society Transactions, (1991).

Endres, A. and Knight, R.J., Hysteresis in the dielectric response of partially saturated sandstones: The importance of microscopic fluid distribution, Trans. Society of Professional Well Log Analysts 31st Annual Logging Symposium, Paper CC, 1-23, (1990).

Knight, R.J. and Nolen-Hoeksema, R.A., Laboratory study of the dependence of acoustic properties on microscopic fluid distribution, Trans. Society of Professional Well Log Analysts 31st. Annual Logging Symposium, Paper DD, 1-9, (1990).

Knight, R.J. and Endres, A., The effect of rock/water interaction in modelling the dielectric response of sandstones, Trans. Society of Professional Well Log Analysts 30th Annual Logging Symposium, Paper JJ, 1-20, (1989).

Endres, A. and Knight, R.J., The effect of microscopic fluid distribution on elastic wave velocities, Trans. Society of Professional Well Log Analysts 30th Annual Logging Symposium, Paper, (1989).

Knight, R.J. and Nur, A., Dielectric enhancement due to the presence of thin gas pockets, Trans. Society of Professional Well Log Analysts Twenty Seventh Annual Logging Symposium, Paper JJ, 1 11 (1986).

Knight, R.J., Nur, A. and Raistrick, I.D., Modelling the electrical response of sandstones with an equivalent electrical circuit, Trans. Society of Professional Well Log Analysts Twenty Sixth Annual Logging Symposium, Paper M, 1 17 (1985).

Knight, R.J. and Nur, A., The effect of surface area to volume ratio on the dielectric response of sandstones, in The Physics and Chemistry of Composite Media, Electrochem. Soc. Am. Proc. Vol. 85 8, 336 345 (1985).

Knight, R.J. and Nur, A., The effect of level of water saturation on the dielectric constant of sandstones, Trans. Society of Professional Well Log Analysts Twenty Fifth Annual Logging Symposium, Paper MM, 1 16 (1984).

Published Abstracts of Papers Presented at Conferences

(abstracts for all papers in conference proceedings (above) were published in the associated journal prior to presentation).

Knight, R. and Murphy, W., The effect of allocthonous bodies on subduction processes in the Central Andes, EOS Transactions, American Geophysical Union, 61, 1114, (1980).

Knight, R. and Nur, A., Measurements and analysis of the electrical response of sedimentary rocks, EOS Transactions, American Geophysical Union, 63, (1982).

Knight, R.J., The effect of microgeometry on the electrical properties of rocks, EOS Transactions, American Geophysical Union, 69, 484, (1988).

Knight, R.J. and Knoll, M., The effect of saturation history on electrical properties of the unsaturated zone, in Third International Conference on Ground Penetrating Radar, abstracts of the technical meeting, Lakewood, Colorado, USA, 14-18 May 1990, J.E. Lucius, G.R. Olhoeft and S.K. Duke, eds., U.S.G.S. Open-File Report 90-414, (1990).

Knight, R.J., Saturation hysteresis in electrical measurements: With consequences for the interpretation of geophysical data from the unsaturated zone, EOS Transactions, American Geophysical Union, v. 71, (1990).

Chapman, A.E. and Knight, R.J., A numerical study of percolation in partially saturated porous media, EOS Transactions, American Geophysical Union, v. 71, (1990).

Endres, A.L. and Knight, R.J., The effects of pore-scale fluid distribution on the elastic wave velocities of partially saturated rocks: An analysis of experimental results, Canadian Society of Exploration Geophysicists National Convention: Program, Expanded Abstracts and Biographies, Calgary, May (1990).

Endres, A.L. and Knight, R.J., Interpreting the physical properties of partially saturated rocks: The effect of microscopic fluid distribution, presented at the 60th Ann. Internat. Mtg., Soc. Expl. Geophys., San Francisco Sept. 1991, Expanded Abstracts of the Technical Program, 830-832, 1991.

Knight, R.J. and Dvorkin, J., The transition from surface to bulk water in the seismic and electrical response of sandstones, EOS Transactions, American Geophysical Union, v. 73, (1991).

Knight, R.J. and Tercier, P., Electrical conduction in sandstones: Examples of two dimensional and three dimensional percolation, EOS Transactions, American Geophysical Union, v. 75, (1992).

Hedberg, S.A., Knight, R.J., MacKay, A.L. and Whittall, K.P., The use of nuclear magnetic resonance for characterizing the pore-scale behavior of hydrocarbon contaminants, EOS Transactions, American Geophysical Union, v. 75, (1992).

Butler, D. and Knight, R.J., Laboratory steam-flood experiments, Canadian Society of Exploration Geophysicists National Convention: Program, Expanded Abstracts and Biographies, Calgary, May (1992).

Knoll, M. and Knight, R.J., A petrophysical basis for inversion and stratigraphic interpretation of ground penetrating radar data, Canadian Society of Exploration Geophysicists National Convention: Program, Expanded Abstracts and Biographies, Calgary, May (1992).

Knoll, M., Knight, R.J. and Hanai, P., Three-D imaging of a sand and gravel aquifer using ground penetrating radar, Canadian Society of Exploration Geophysicists National Convention: Program, Expanded Abstracts and Biographies, Calgary, May (1992).

Knoll, M.D., and Knight, R., Mapping hydrogeologic properties using ground penetrating radar, Proceedings of the Symposium on the Application of Geophysics to Environmental and Engineering Problems, San Diego, Ca., (1993).

Endres, A. L. and Knight, R.J., A model for incorporating surface phenomena into effective medium theories for the dielectric properties of porous rocks, EOS Transactions, American Geophysical Union, v. 76, (1992).

Knight, R.J., The link between geophysical data and pore-scale fluid distribution, in Proceeding of the Institute of Industrial Mathematical Sciences Conference on Porous Media and the Environment, Manitoba, (1993).

Knight, R.J., Abad, A., Tercier, P.E. and Goertz, D.E., Hydrophilic or hydrophobic surfaces? The effect on geophysical parameters, EOS Transactions, American Geophysical Union, v. 74, (1993).

Goertz, D.E. and Knight, R.J., An experimental study of the effects of partial saturation on ultrasonic velocities in Berea sandstone, EOS Transactions, American Geophysical Union, v. 74, (1993).

Knoll, M.D. and Knight, R.J., Subsurface imaging and hydrogeologic property estimation using ground penetrating radar, EOS Transactions, American Geophysical Union, v. 74, (1993).

Rea, J., Knight, R.J. and Ricketts, B.D., Ground penetrating radar survey of the Brookswood aquifer in southwestern British Columbia, EOS Transactions, American Geophysical Union, v. 74, (1993).

Butler, D.B. and Knight, R.J., Monitoring steam injection with electrical methods: Considerations for the unsaturated zone, EOS Transactions, American Geophysical Union, v. 74, (1993).

Dvorkin, J., Yin, H., and Knight, R., Seismic detection of residual contaminants, SEG Program with Extended Abstracts, 1994.

Butler, D.B. and Knight, R.J., The electrical response of steam based groundwater remediations: The effect of clay content on the electrical response of a steam flood, EOS Transactions, American Geophysical Union, v. 75, (1994).

Suman, R. and Knight, R.J., Network models of electrical resistivity, EOS Transactions, American Geophysical Union, v. 75, (1994).

Suman, R., and Knight, R., Hysteresis in electrical resistivity of partially saturated rocks, presented at CSPG-CWLA Conference, Calgary, Alberta, June 1995.

Knoll, M.D. and Knight, R.J., The relationship between dielectric properties and permeability, Geological Assoc. of Canada - Mineralogical Assoc. of Canada Meeting, Victoria, May 1995.

Rea, J. and Knight, R.J., The use of ground penetrating for aquifer charaterisation: An example from southwestern British Columbia, Geological Assoc. of Canada - Mineralogical Assoc. of Canada Meeting, Victoria, May 1995.

Knight, R., Dvorkin, J., and Nur, A., Seismic signatures of partial saturation, SEG Program with Extended Abstracts, (1995).

Rea, J., and Knight, R.J., Ground penetrating radar applications for detetermining hydrologic length scales in aquifer environments, Abstract, Scientific Meeting of the Canadian Geophysical Union, Banff, Canada, May 5-11, 1996.

Chan, C.Y., and Knight, R., Rock Properties of Layered Sand and Clay, Abstract, Scientific Meeting of the Canadian Geophysical Union, Banff, Canada, May 5-11, 1996.

Knight, R.J., Elastic wave velocities and fluid distribution: At the laboratory and reservoir scale, Canada-Mexico Workshop of Properties of Porous Media, Puerto Vallerta, November 1996.

Rea, J., and Knight, R.J., The use of ground penetrating radar for aquifer characterization: a geostatistical approach, Extended Abstracts, SEG Annual Meeting, Denver, CO, (1996).

Butler, D. and Knight, R.J., The role of clay in determining the electrical response of a steam flood, Extended Abstracts, SEG Annual Meeting, Denver, CO, (1996).

Butler, D., Jarvis, K., and Knight, R., The use of bender elements to measure elastic wave velocities in unconsolidated materials, Expanded Abstracts, Soc. of Exploration Geophysicists 67th Annual Meeting, Dallas, TX, 1997.

Chan, C. and Knight, R.J., The relationship between dielectric properties and hydrogeologic properties in layered geologic materials, EOS Transactions, American Geophysical Union, v. 77, 46 suppl., p. 735, (1996).

Taylor, R.. and Knight, R.J., Numerical modeling of evaporation in porous rock samples, EOS Transactions, American Geophysical Union, v. 77, 46 suppl., p. 746, (1996).

Knight, R.J., Rea, J., Tercier, P., and Jol, H., Geostatistical analysis of ground penetrating radar data: a means of characterizing the correlation structure of sedimentary units, EOS Transactions, American Geophysical Union, v. 77, 46 suppl., p. 237, (1996).

Knight, R, Tercier, P., Rea, J., The use of ground penetrating radar data in developing hydrogeologic models of the subsurface, Proceedings of Workshop on High Resolution Geophysics, University of Arizona, January (1997).

Knight, R., Tercier, P., Rea, J., Scullard, C., Jol, H., Geostatistical analysis of ground penetrating radar data, abstract, Hazardous Substance Research Conference, May 19-21, Snowbird Utah, (1998).

Knight, R., Bryar, T., Daughney, C., and Caputi, M., The effect of pore fluid chemistry on the proton NMR T1 of sands, Soc. of Exploration Geophysicists Workshop on Nuclear Magnetic Resonance, Park City, Utah, 1998.

Chan, C. Y. and Knight, R. J., Improved estimates of soil moisture content from dielectric measurements, EOS, Transactions, American Geophysical Union; Vol. 79, no. 45 Suppl.; p. F370, 1998.

Daughney, C. J., Bryar, T. and Knight, R., Using nuclear magnetic resonance to characterize the sorption of crude oil by quartz sand. Geological Society of America Meeting, Toronto, Ontario, October 1998.

Chan, C., and Knight, R., The transition zone between effective medium theory and ray theory, Expanded Abstracts, p. 422-425, Soc. of Exploration Geophysicists 67th Annual Meeting, Dallas, TX, 1997.

Hirsche, K., Batzle, M., Knight, R., Wang, Z., Mewhort, L., Davis, R., and Sedgwick, G., Seismic monitoring of gas floods in carbonate reservoirs: From rock physics to field testing, Expanded Abstracts, Soc. of Exploration Geophysicists 67th Annual Meeting, Dallas, TX, (1997).

Jarvis, K., and R.J. Knight, The use of the seismic cone penetrometer for near-surface VSP surveys, Expanded Abstracts, Soc. of Exploration Geophysicists 67th Annual Meeting, New Orleans, 154-157, 1998.

Knight, R., T. Bryar, C. Daughney, Laboratory studies to assess the use of nuclear magnetic resonance for near-surface applications, Soc. of Explor. Geop. Annual Convention, Proceedings, 1999.

Jourabchi, P., M. Bloom and R. Knight, A theoretical model of the effect of adsorbed hydrocarbons on nuclear magnetic resonance measurements, EOS Transactions, American Geophysical Union, 81(48), F473, 2000.

Moysey, S. and R.J. Knight, Heterogeneity, Scale & Radar: Improved Hydrogeologic Characterization Through Advancements in Geophysical Interpretation, Gordon Research Conference on Modeling of Flow in Permeable Media, August 2000.

Trotter, C. and R. Knight, Magnetic susceptibility measurements used in the interpretation of nuclear magnetic resonance data, EOS Transactions, American Geophysical Union, 81(48), F473, 2000.

Bryar, T., M. Caputi, C. Daughney and R. Knight, Influence of adsorbed crude oil on NMR relaxation of water in saturated sand, Magn. Reson. Imaging, 19, 570, 2001.

Bryar, T.R., R.J. Knight and T.P. Nielsen, Laboratory studies to asses the potential for light non-aqueous liquid detection in contaminated soils with proton nuclear magnetic resonance, EOS Trans. AGU, 82(47), Fall Meet. Suppl., Abstract H52C-0433, 2001.

Knight, R.J., S. Moysey and P. Tercier, The use of ground penetrating radar for the development of hydrogeologic models, EOS Trans. AGU, 82(47), Fall Meet. Suppl., Abstract F317, 2002.

Moysey S. and Knight, R. J., The effect of change in scale on water content estimates derived from ground penetrating radar data, EOS Trans. AGU, 83(47), Fall Meet. Suppl., Abstract T22B-1148, 2002.

Moysey S., and R.J. Knight, Full-inverse statistical calibration: a Monte Carlo approach to determining field-scale relationships between hydrologic and geophysical variables, EOS Trans. AGU, 84(46), Fall Meet. Suppl., Abstract H21F-03, 2003.

Knight, R., Tercier, P., and Irving J. Analysis of ground-penetrating radar images to quantify the spatial distribution of water content. Unsaturated Zone Interest Group Meeting, Richland, WA, October 2003.

Irving, J., and Knight, R. J., Improving estimates of subsurface water content by accounting for saturation-related anisotropy, Eos Trans. AGU, 84(46), Fall Meet. Suppl., Abstract H31B-0446, 2003.

Knight, R., Irving, J., and Tercier, P. The effect of vertical and horizontal resolution of a radar measurement on the determined correlation structure of subsurface properties. Eos Trans. AGU, 85 (17), Jt. Assem. Suppl., Abstract NS41A-16, Montreal, QC, May 2004.

Irving, J., Sava, P., and Knight, R.  Ground-penetrating radar diffraction velocity analysis.  Eos Trans. AGU, 85 (17), Jt. Assem. Suppl., Abstract NS31A-08, Montreal, QC, May 2004.

Moysey S., R. Knight, D. Brunner, A.L. Enders, Searching for facies indicators in ground-penetrating radar data, Eos Trans. AGU , 85(17), Jt. Assem. Suppl., Abstract NS41A-14, 2004.

Pidlisecky, A., and Knight, R. The Use of Cone-based Electrical Resistivity Tomography to Image Conductive Contaminants. Eos Trans. AGU, 85 (17), Jt. Assem. Suppl., Abstract NS23A-06, Montreal, Canada, May 2004.

Irving, J. and Knight, R.  Effects of finite antenna length on crosshole GPR tomography.  Eos Trans. AGU, 85 (47), Fall Meet. Suppl., Abstract H23A-1102, San Francisco, CA, December 2004.

Irving, J. and Knight, R.  Improved inversion of high-angle ray data in crosshole GPR tomography.  Eos Trans. AGU, 86 (18), Jt. Assem. Suppl., Abstract NS12A-06, New Orleans, LA, May 2005.

Moysey, S., Irving, J., Knight, R., Gaylord, D., Allen-King, R., Stelmack, W., and Taylor, K.  Investigating the relationship between sedimentology and GPR data at the Borden aquifer.  Eos Trans. AGU, 86 (18), Jt. Assem. Suppl., Abstract NS11A-01, New Orleans, LA, May 2005.

Pidlisecky, A., R. Knight, and E. Haber, Cone-based Electrical Resistivity Tomography.  Eos Trans. AGU, 86 (18), Jt. Assem. Suppl., Abstract NS12A-06, New Orleans, LA, May 2005.

Keating, K., R. Knight, T. Borch, Proton Nuclear Magnetic Resonance: A Novel Approach for Monitoring In Situ Iron Mineralization Processes. EOS Trans. AGU, 86 (18), Jt. Assem. Suppl., Abstract NS51B-05, New Orleans, LA, May 2005.

Knight, R., and D. Robinson, An Emerging Role for Geophysics in Watershed Hydrologic Investigations, EOS Trans. AGU, 86(52), Fall Meet. Suppl., Abstract H23G-02 INVITED, 2005.

Moysey, S.M., R..J. Knight, H.M. Jol, R.M. Allen-King, D.R. Gaylord, Quantification of Reflection Patterns in Ground-Penetrating Radar Data, EOS Trans. AGU, 86(52), Fall Meet. Suppl., Abstract U23C-04, 2005.

Robinson, D. A., Seyfried, M. S., Urdanoz, V., Abdu, H., Jones, S. B., Chandler, D., Knight, R., Application of Electromagnetic Induction Sensors for Mapping the Subsurface in Small Watersheds, EOS Trans. AGU, 86(52), Fall Meet. Suppl., Abstract H31F-1352, 2005.

Irving, J., Knoll, M., Knight, R., Improving Crosshole GPR Velocity Tomography at Close Borehole Spacings, EOS Trans. AGU, 87(36), Jt. Assem. Suppl., Abstract NS23A-03 INVITED, 2006.

Knight, R., Pidlisecky, A., The Support Volume of Geophysical Measurement: How and Why to Define It, EOS Trans. AGU, 87(36), Jt. Assem. Suppl., Abstract NS23A-04 INVITED, 2006.

Knight, R., Near-Surface Geophysics: Advancing Earth Science Through Advances in Imaging, EOS Trans. AGU, 87(36), Jt. Assem. Suppl., Abstract NS33A-01 INVITED, 2006.

Knight, R., Characterizing hydrogeologic heterogeneity using geophysical methods: From laboratory-scale observations to field-scale applications, Geological Society of America Abstracts with Programs, Vol. 38, No. 7, p. 110, INVITED, 2006.

Crook, N., Golden-Chen, B., Knight, R., Abdu, H., Robinson, D., Jones, S., Lebron, I. (2006), Combined Geophysical Approach to Characterizing Subsurface Flow-paths in the Reynolds Creek Watershed, EOS Trans. AGU, 87(52), Fall Meet. Suppl., Abstract H51D-0509.