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• Jason Gerhard
• Publications 1995-2011

Publications 1995-2011

Accepted Referred Journals

• Pironi, P., G. Rein, C. Switzer, J.I. Gerhard and J.L. Torero (2011). Self-Sustaining Smoldering Combustion for NAPL Remediation: Laboratory Evaluation of Process Sensitivity to Key Parameters. Environmental Science and Technology, 45 (7), pp. 2980-2986.
  
  
• Rotter, B.E., D. A. Barry, J.I. Gerhard, J.S. Small (2011). Modeling the Effectiveness of U(VI) Biomineralization in Dual Porosity Porous Media. Journal of Hydrology, 402:14-24.
  
  
• Molnar, I.L., D.M. O’Carroll, and J.I. Gerhard (2011). Impact of surfactant-induced wettability alterations on DNAPL invasion in quartz and iron oxide-coated sand systems. Journal of Contaminant Hydrology, 119, pp. 1-12.
  
  
• Robinson, C., J.I. Gerhard, B. Sleep, I. Kouznetsova, A. Kokkinaki and D.A. Barry (2010). Insights and modelling tools for designing and improving chlorinated solvent bioremediation applications. Contaminated Land: Applications in Real Environments, SAB4, September, pp. 1-6.
  
  
• Kouznetsova, I., X. Mao, C. Robinson, D.A. Barry, J.I. Gerhard and P.L. McCarty (2010). Biological reduction of chlorinated solvents: Batch-scale geochemical modeling, Advances in Water Resources, 33:969–986.
  
  
• O'Carroll, D. M., K. G. Mumford, L. M. Abriola, and J. I. Gerhard (2010). Influence of wettability variations on dynamic effects in capillary pressure, Water Resources Research, 46, W08505, doi:10.1029/2009WR008712.
  
  
• Porter, M. L., D. Wildenschild, G.P. Grant, and J. I. Gerhard (2010). Measurement and prediction of the relationship between capillary pressure, saturation, and interfacial area in a NAPL-water-glass bead system, Water Resources Research, 46, W08512, doi:10.1029/2009WR007786.
  
  
• Wilson, V, C. Power, J.I. Gerhard, G.P. Grant and A. Giannopoulos (2009). DNAPL mapping by ground penetrating radar examined via numerical simulation. Journal of Applied Geophysics, v. 69 (3-4):140-149.
  
  
• Switzer, C., J.I. Gerhard, P. Pironi, G. Rein, and J.L. Torero and (2009). Self-sustaining smouldering combustion: A novel remediation process for non-aqueous phase liquids in porous media. Environmental Science and Technology, 43:5871-5877.
  
  
• Robinson, C., D. A. Barry, P.L. McCarty, J.I. Gerhard and I. Kouznetsova (2009). pH control and buffer addition for enhanced source zone bioremediation of chlorinated solvents. Science of the Total Environment, 407:4560 – 4573.
  
  
• Pironi, P., C. Switzer, G. Rein, J.I. Gerhard and J.L. Torero, (2009). Small-Scale Forward Smouldering Experiments for Remediation of Coal Tar in Inert Media. Proceedings of the Combustion Institute, 32 (2), pp. 1957-1964, doi:10.1016/j.proci.2008.06.184.
  
  
• Rotter, B.E., Barry, D.A., J.I. Gerhard and Small, J.S. (2008). Modeling U(VI) Biomineralization in Single- and Dual-Porosity Porous Media. Water Resources Research, 44, pp. W08437(1) - W08437(17),doi:10.1029/2007WR006301.
  
  
• West, M.R., Grant, G.P., J.I. Gerhand and B.H. Kueper, (2008). The influence of precipitate formation on the chemical oxidation of TCE DNAPL with potassium permanganate. Advances in Water Resources, 31:324–338.
  
  
• Rotter, B.E., Barry, D.A., J.I. Gerhard, Small, J.S., Beadle, I. and B. Tahar (2007). Parameter and process significance in mechanistic modelling of cellulose hydrolysis. Bioresource Technology, 99(13), pp. 5738-5748.
  
  
• Grant G. P. and J.I. Gerhard (2007). Simulating the dissolution of a complex dense nonaqueous phase liquid source zone: 1. Model to predict interfacial area. Water Resources Research, 43, W12410, doi:10.1029/2007WR006038, pp. 1 – 14.
  
  
• Grant G. P. and J. I. Gerhard (2007). Simulating the dissolution of a complex dense nonaqueous phase liquid source zone: 2. Experimental validation of an interfacial area–based mass transfer model, Water Resources Research, 43, W12409, doi:10.1029/2007WR006039, pp. 1 – 18.
  
  
• Grant, G.P., J.I. Gerhand and B.H. Kueper (2007). Multidimensional validation of a numerical model for simulating a DNAPL release in heterogeneous porous media. Journal of Contaminant Hydrology, 92:109-128.
  
  
• Grant, G.P., and J.I. Gerhard (2006). Field scale impacts of spatially variable relative permeability in heterogeneous multiphase systems. Advances in Water Resources, 30:1144 – 1159.
  
  
• J.I. Gerhand, Pang, T.W., and B.H. Kueper (2006). Time scales of DNAPL migration in sandy aquifers investigated with numerical simulation. Ground Water, 45(2):147–157.
  
  
• J.I. Gerhand, and B.H. Kueper (2003). The influence of constitutive model parameters on the predicted migration of DNAPL in heterogeneous porous media. Water Resources Research, 39 (10):1279:4-1–4-13.
  
  
• Gerhard, J.I., and B.H. Kueper (2003). Capillary pressure characteristics necessary for simulating DNAPL infiltration, redistribution, and immobilization in saturated porous media. Water Resources Research, 39(8):1212:7-1–7-17.
  
  
• Gerhard, J.I. and B.H. Kueper (2003). Relative permeability characteristics necessary for simulating DNAPL infiltration, redistribution, and immobilization in saturated porous media. Water Resources Research, 39(8):1213:8-1–8-16.
  
  
• J.I. Gerhard, B.H. Kueper, G.R. Hecox and R. Schwarz (2001). Site-specific design for dual phase recovery and stabilization of pooled DNAPL., Ground Water Monitoring and Remediation, Spring: 71-88.
  
  
• J.I. Gerhard, B.H. Kueper and G.R. Hecox (1998). The influence of waterflood design on the recovery of mobile DNAPLs. Ground Water, 36(2):283-292.
  
  
• Kueper, B.H. and J.I. Gerhard (1995). Variability of point source infiltration rates for two-phase flow in heterogeneous porous media. Water Resources Research, 31(12):2971-2980.

Chapters in Books

• J.I. Gerhard, B.H. Kueper and B.E. Sleep (2014). Chapter 5: Modelling Source Zone Remediation, pp. 113-140. In Chlorinated Solvent Source Zone Remediation”, Eds. B.H. Kueper, H.F. Stroo, and C.H. Ward.  SERDP and ESTCP Remediation Technology Monograph Series. Springer, New York.  713 p.
  
  
• Kueper, B.H. and J.I. Gerhard (2014).  Chapter 8: Hydraulic Displacement of Dense, Non-Aqueous Phase Liquids, pp. 219 - 250.  In Chapter in “Chlorinated Solvent Source Zone Remediation”, Eds. B.H. Kueper, H.F. Stroo, and C.H. Ward.  SERDP and ESTCP Remediation Technology Monograph Series. Springer, New York.  713 p.

Papers in Refereed Conference Proceedings

• Browder, T., C. Switzer, P.Pironi, G. Rein, J.I. Gerhard, and J.L.Torero (2010).  Remediation of oil drilling waste using smoldering combustion.  Combustion Institute, Spring Technical Meeting, Paper 10S-55, pp. 1-13.
  
  
• Pang, TW, J.I. Gerhard, M. West and B.H. Kueper (2007).  Numerical Simulation of ISCO to Remediate DNAPL in Fractured Rock, Proceedings of the 2007 U.S. EPA/ NGWA Fractured Rock Conference: State of the Science and Measuring Success in Remediation, pp.133-147.
  
  
• West, M., J.I. Gerhard and B. Kueper (2007). Evaluation of DNAPL Source Zone Removal Technologies In Porous Media And Implications For Site Monitoring.  Proceedings in the 60th Canadian Geotechnical Conference & 8th Joint CGS/IAH-CNC Groundwater Conference, Ottawa, Ontario, Canada, October 21-24, 2007,  pp. 214-222.
  
  
• Grant, G.P., J.I Gerhard and B.H. Kueper (2005).  The influence of relative permeability heterogeneity on DNAPL releases.  Bringing Groundwater Quality Research to the Watershed Scale, IAHS Publ. 297, pp. 148-158.
  
  
• Grant, G.P. and J.I Gerhard (2004). Sensitivity of predicted DNAPL source zone longevity to mass transfer correlation model. Geoenvironmental Engineering: Integrated management of groundwater and contaminated land, R.N. Young and H.R. Thomas (eds), Telford Publishing, London, pp. 59-67.

Conference Papers Accepted on Abstract Submission

• C. Switzer, P. Pironi, G. Rein, J.L. Torero and J.I. Gerhard (2008).  Experimental Studies of Self-Sustaining Thermal Aquifer Remediation (STAR) for Non-Aqueous Phase Liquid (NAPL) Sources. In: Proceedings from ConSoil 2008, Milano, Italy, 3-6 June.
  
  
• J.I. Gerhand and B.H. Kueper. (2002).  The time required for a DNAPL release to cease migrating in heterogeneous porous media.  In: Proceedings of the 3rd Joint IAH-CNC/CGS Conference - Ground and Water: Theory to Practice, Niagara Falls, October, 20-23, p. 681-688.
  
  
• J.I. Gerhand and B.H. Kueper (1997).  Design of a full-scale waterflood for the recovery of pooled DNAPL.  In: Proceedings of the 50th Canadian Geotechnical Conference, G.E. Bauer (ed.), Ottawa, October 20-22, vol.2, p. 531-538.

Published Abstracts and Papers at Professional Meetings

• Scholes, G., G.P. Grant, D. Major, J.I. Gerhard and J.L. Torero and C. Switzer (2011). Self-Sustaining Treatment for Active Remediation (STAR): Smoldering Combustion for the Treatment of Non Aqueous Phase Liquids. International Petroleum and Biofuels Environmental Conference, Houston, Texas, November.
  
  
• Thomas, D., J.I. Gerhard, G. Grant, T. Peargin and R. Hoffmann (2011). Sustainable Facilitated Environmental (SaFE) Thermal Treatment, International Petroleum and Biofuels Environmental Conference, Houston, Texas, November.
  
  
• Scholes, G., G.P. Grant, D. Major, J.I. Gerhard, J.L. Torero and C. Switzer (2011). Self Sustaining Treatment for Active Remediation (STAR). International Sites and Spills Expo, Toronto, November.
  
  
• Grant, G.P., G. Scholes, D. Major and J.I. Gerhard (2011). Self-Sustaining Treatment for Active Remediation (STAR): Smoldering Combustion for the Treatment of Non Aqueous Phase Liquids. International Sites and Spills Expo, Toronto, Ontario, Canada, November.
  
  
• Grant, G.P., G. Scholes, D. Major and J. Vidumsky (2011). Self-Sustaining Treatment for Active Remediation (STAR): Smoldering Combustion for the Treatment of Non Aqueous Phase Liquids. Railroad Environmental Conference 2011, University of Illinois at Urbana-Champaign, October.
  
  
• Grant, G.P., D. Major, G. Scholes, J.I. Gerhard, J.L. Torero and C. Switzer (2011). Self-Sustaining Treatment for Active Remediation (STAR): Smoldering Combustion for the Treatment of Recalcitrant Compounds. ABAS, Sao Paolo, Brazil, October.
  
  
• Grant, G.P., G. Scholes, D. Major, J.I. Gerhard and J.L. Torero, C. Switzer (2011). Self-Sustaining Treatment for Active Remediation (STAR): Smoldering Combustion for the Treatment of Non Aqueous Phase Liquids. 28th Biennial Groundwater Conference and 20th GRA Annual Meeting, Sacramento, California, October.
  
  
• Grant, G.P., D. Major, J.I. Gerhard, and J.L. Torero, (2011). Self-Sustaining Treatment for Active Remediation (STAR): Smoldering Combustion for the Treatment of Non Aqueous Phase Liquids. Remediation Technology Summit, Chicago, Illinois, May.
  
  
• Grant, G.P., D. Major, J.I. Gerhard, and J.L. Torero, (2010). Self-Sustaining Treatment for Active Remediation (STAR): Scientific Principles and Field Applications of the Technology. International Petroleum and Biofuels Environmental Conference, Houston, Texas, November.
  
  
• Grant, G.P., D. Major, J.I. Gerhard and J.L. Torero (2010). Self-Sustaining Treatment for Active Remediation (STAR): Scientific Principles and Field Applications for NAPL-Contaminated Soils. Remediation Technology, Calgary, Alberta, Canada, October.
  
  
• Grant, G.P., D. Major, J.I. Gerhard and J.L. Torero, (2010). Self-Sustaining Treatment for Active Remediation (STAR): Smoldering Combustion for the Treatment of Non Aqueous Phase Liquids. Remtec 2011, Chicago, Illinois, May.
  
  
• Switzer, C., J.I. Gerhard, P. Pironi, G. Rein and J. Torero (2010). Field Trials of In Situ Smouldering Remediation for Non-Aqueous Phase Liquid Contaminated Soils, CONSOIL, Salzburg, Austria, September 22-24.
  
  
• Grant, G.P., D.Major, J.I. Gerhard, J. Torero, and C. Switzer (2010). Self-Sustaining Treatment for Active Remediation (STAR): Overview of Scientific Principles and Initial Field Applications for the Treatment of Coal Tar in Soils, Geocanada, Calgary, Alberta, May 10-14.
  
  
• Brovelli, A., A. Barry, C Robinson and J.I. Gerhard (2010). Abstract H41A-1074, Influence of physical factors and geochemical conditions on groundwater acidification during enhanced reductive dechlorination. 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec.
  
  
• Molnar, I., D.M O’Carroll, J.I. Gerhard, and C.S. Wilson (2010).  Abstract H53C-1054, Impact of mineral isoelectric point on subsurface/NAPL wettability. 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec.
  
  
• MacPhee, S.L., J.I. Gerhard, G. Rein, and P. Pironi (2010). Self-Sustaining Treatment for Active Remediation (STAR): Numerical Modelling of a New Technique for the Remediation of MPG Sites. Proceedings of the Seventh International Conference Remediation of Chlorinated and Recalcitrant Compounds, Monterey, California; May 24-27.
  
  
• Gerhard, J.I., J. Torero, C. Switzer, P. Pironi, G. Rein, G.P. Grant, and D.Major (2010). Self-Sustaining Treatment for Active Remediation (STAR): Introduction of a New Technique for the Remediation of MPG Sites. Proceedings of the Seventh International Conference Remediation of Chlorinated and Recalcitrant Compounds, Monterey, California; May 24-27.
  
  
• G.P. Grant, D.Major, J.I. Gerhard, J. Torero, C. Switzer and P. Pironi (2010). Self-Sustaining Treatment for Active Remediation (STAR): In Situ Field Application for the Treatment of Coal Tar in Soils. Proceedings of the Seventh International Conference Remediation of Chlorinated and Recalcitrant Compounds, Monterey, California; May 24-27.
  
  
• Kouznetsova, I., J.I. Gerhard, X. Mao, D.A. Barry, C. Robinson, A. Brovelli, M. Harkness, E. E. Mack and S. Dworatzek (2010). Biogeochemical Processes that Influence the Rate and Extent of Anaerobic Dechlorination. Proceedings of the Seventh International Conference Remediation of Chlorinated and Recalcitrant Compounds, Monterey, California; May 24-27.
  
  
• Robinson, C., A. Brovelli, D. A. Barry and J.I. Gerhard (2010). Acidity Production and Buffer Requirements for In Situ Bioremediation of Chlorinated Solvents. Proceedings of the Seventh International Conference Remediation of Chlorinated and Recalcitrant Compounds, Monterey, California; May 24-27.
  
  
• Major, D., G.P. Grant, J.I. Gerhard, J. Torero, C. Switzer, and P. Pironi (2010). Self-Sustaining Treatment for Active Remediation (STAR): Scientific Principles and Overview of the Technology. Proceedings of the Seventh International Conference Remediation of Chlorinated and Recalcitrant Compounds, Monterey, California; May 24-27.
  
  
• Major, D., G.P. Grant, , J.I. Gerhard, J. Torero, and C. Switzer (2010). Self-Sustaining Treatment For Aquifer Remediation (STAR): Initial Field Applications for the Treatment of Coal Tar in Soils, EPRI MGP Symposium, San Antonio, Texas, January 27-29.
  
  
• Grant, G.P.,  D. Major, J.I. Gerhard, J. Torero, C. Switzer, and P. Pironi (2009). Self-Sustaining Treatment for Active Remediation (STAR): Pilot Studies for the Treatment of Hydrocarbon-Impacted Sites. 16th International Petroleum and BioFuels Environmental Conference (IPEC), Houston, Texas, November 3-5.
  
  
• Mumford, K.G., D. M. O’Carroll, L.M. Abriola, and J.I. Gerhard (2009).  The Influence of Wettability Variations on Dynamic Effects in Capillary Pressure, Eos Trans. AGU, 90(53), Fall Meeting Suppl., Abstract H43E-1076.
  
  
• MacPhee, S., P. Pironi, J.I. Gerhard, C Switzer and G Rein (2009). Numerical Modelling of Smouldering Combustion as a Remediation Technology for NAPL Source Zones, Eos Trans. AGU, 90(22), Jt. Assem. Suppl., Abstract # H16A-02.
  
  
• Power, C., J.I. Gerhard, and A.Giannopoulos (2009). Mapping Subsurface Remediation With Ground Penetrating Radar, Eos Trans. AGU, 90(22), Jt. Assem. Suppl., Abstract # H13A-02.
  
  
• Kouznetsova, I., J.I. Gerhard, X. Mao, D.A. Barry, C. Robinson, A. Brovelli, M. Harkness, A. Fisher, E.E. Mack, J.A. Payne, S. Dworatzek and J. Roberts (2008).  Parameter Sensitivity and Laboratory Benchmarking of a Biogeochemical Process Model for Enhanced Anaerobic Dechlorination, Eos Trans. AGU, 89(53), Fall Meeting Suppl., Abstract H31D-0898.
  
  
• Pironi, P., C. Switzer, G. Rein, J.L. Torero and J.I. Gerhard (2008).  Column Experiments of Smouldering Combustion as a Remediation Technology for NAPL Source Zones, Eos Trans. AGU, 89(53), Fall Meeting Suppl., Abstract H34C-03.
  
  
• Brovelli, A., C. Robinson, A. Barry, I. Kouznetsova and J.I. Gerhard (2008). Optimization of buffer injection for the effective bioremediation of chlorinated solvents in aquifers, Eos Trans. AGU, 89(53), Fall Meeting Suppl., Abstract H31D-0899.
  
  
• Gerhard, J.I., C. Power, V. Wilson, A. Giannopoulos and G. Grant (2008).  Mapping by Ground Penetrating Radar Investigated via Numerical Simulation, Eos Trans. AGU, 89(53), Fall Meeting Suppl., Abstract H51G-0923.
  
  
• Switzer, C., P. Pironi, P. Reszka, G. Rein, J.L. Torero and J.I. Gerhard (2008). Scaling-up Experiments of Smouldering Combustion as a Remediation Technology for Contaminated Soil, 9th Symposium of the International Association of Fire Safety Science, Karlsruhe, September.
  
  
• Pironi, P., C. Switzer, G. Rein, J.I. Gerhard and J.L. Torero (2008). Laboratory Experiments of Smouldering Combustion as a Remediation Technology for Contaminated Soil. 9th Symposium of the International Association of Fire Safety Science, Karlsruhe, September.
  
  
• Pironi, P., C. Switzer, G. Rein, J.I. Gerhard and J.L. Torero (2008). Small-Scale Forward Smouldering Experiments for Remediation of Coal Tar in Inert Media, 32nd International Symposium on Combustion, Montreal, August.
  
  
• Switzer, C., P. Pironi, G. Rein, J.L. Torero and J.I. Gerhard (2008).  Self-sustaining Treatment for Active Remediation (STAR) (invited). Scottish Brownfield and Contaminated Land, Glasgow, Scotland, 18-19 June.
  
  
• Switzer, C., P. Pironi, G. Rein, J.L. Torero and J.I. Gerhard (2008).  Laboratory and Field Studies of Smouldering Technology for Aquifer Remediation (STAR) for Non-Aqueous Phase Liquid (NAPL) Sources, ConSoil 2008, Milano, Italy, 3-6 June (Invited, Keynote).
  
  
• Gerhard, J.I. and G.P. Grant (2008).  Validation of an Interfacial Area-Based Mass Transfer Model for Simulating DNAPL Dissolution. Gordon Conference: Flow and Transport in Porous Media, Oxford, UK, June.
  
  
• Robinson, C., D.A. Barry, I. Kouznetsova and J.I. Gerhard (2008). BUCHLORAC: Program for predicting the buffer requirement for enhanced anaerobic bioremediation of chlorinated solvents, European Geosciences Union General Assembly, Vienna, Austria, 13 – 18 April.
  
  
• Switzer, C., P. Pironi, A. Fuentes, G. Rein, J.L. Torero and J.I. Gerhard (2007).  STAR: Smouldering Technology for Aquifer Remediation, A Novel In-Situ Remediation Approach for NAPL Source Zones, European Conference on Natural Attenuation and In-Situ Remediation, Frankfurt, Germany, 19-21 November.
  
  
• Pironi, P., C. Switzer, G. Rein, A. Fuentes, J.L. Torero and J.I. Gerhard (2007). Smouldering Technology for Aquifer Remediation (STAR) Proof of Concept and Process Sensitivity Experiments. Poster at the Geological Society Bicentenary Conference, London, September.
  
  
• Gerhard, J.I., C. Switzer, P. Pironi, G. Rein and J.L. Torero (2008). Self-Sustaining Treatment for Active Remediation (STAR): A Novel Remediation Technique for Pooled and Residual NAPL, Sixth International Conference on Remediation of Chlorinated and Recalcitrant Compounds, Monterey, California, May.
  
  
• Pironi, P., C. Switzer, A. Fuentes, G. Rein, J.L. Torero and J.I. Gerhard (2007).  Small-Scale Experiments of In-Situ Smouldering Combustion for the Remediation of Contaminated Land. Proceedings of the 21st International Colloquium on the Dynamics of Explosions and Reactive Systems, Poitier, July.
  
  
• Rein, G., J.I. Gerhard, M.I.J. van Dijke, K.S. Sorbie and A. Ryazanov (2007).  On the Immobilization of DNAPL in Porous Media due to Capillary Pressure Hysteresis, Proceedings of the 5th Conference on Modelling Permeable Rocks, Institute of Mathematics and its Applications, Edinburgh, March.
  
  
• Switzer, C., P. Pironi, G. Rein, J.I. Gerhard and J.L. Torero (2007).  Burning Hazardous Liquids in the Soil as a Remediation Technology, Proceedings of the International Meeting of Fire Effects on Soil Properties, Barcelona, February.
  
  
• Kouznetsova, I., J.I. Gerhard, X. Mao, C. Robinson, A.D. Barry, M. Harkness, E.E. Mack and S. Dworatzek (2007). Comprehensive Model for Enhanced Biodegradation of Chlorinated Solvents in Groundwater, Eos Trans. AGU, 88(52), Fall Meeting Suppl., Paper H33H-1718.
  
  
• Kouznetsova, I., X. Mao, J. I. Gerhard, D.A. Barry, Mark Harkness , E.E. Mack and Sandra Dworatzek (2007).  Modelling the Role of Partitioning Substrates in DNAPL Column Studies. Proceedings of the 9th International In Situ and On-Site Bioremediation Symposium, Baltimore, Maryland.
  
  
• Zeeb, P.G., M. Wealthall, M. Rivett, M. Harkness, J.I. Gerhard and L. Houlden (2007). Project SABRE – Quantifying Bioremediation of TCE DNAPL Source Zone Treatment Through a Robust, Interdisciplinary Applied Research Program. Proceedings of the 6th International Conference for the Remediation of Chlorinated and Recalcitrant Compounds, Baltimore, Maryland.
  
  
• Pironi, P., G. Rein, C. Switzer, J.I. Gerhard and J.L. Torero (2006).  On the Ignition and Propagation of Subsurface Smouldering Fires, Proceedings of the 31st International Symposium on Combustion, Heidelberg, August.
  
  
• Gerhard,J.I., J.L.Torero, C. Switzer, P.Pironi and G.Rein (2006).  In Situ Smouldering: A Novel Technique for Remediating NAPL Source Zones. Eos Trans. AGU, 87(52), Fall Meeting Suppl., Paper H24A-01 (invited).
  
  
• Mao, X., J.I. Gerhard and D.A. Barry (2006). Factors Influencing TCE Anaerobic Dechlorination Investigated via Simulations of Microcosm Experiments, Eos Trans. AGU, 87(52), Fall Meeting Suppl., Paper H11C-1276.
  
  
• Rotter, B.E., J.I. Gerhard and D.A. Barry (2006).  Effectiveness of U(VI) Bioremediation by DMRB in Dual Porosity Soils Explored via Numerical Modeling, Paper H11E-1290.
  
  
• Mao, X., J.I.Gerhard and D.A. Barry (2006).  Modelling the influence of electron donor fermentation on TCE dechlorination. Proceedings of the 5th International Conference for the Remediation of Chlorinated and Recalcitrant Compounds.
  
  
• Mao, X., J.I. Gerhard and D.A. Barry (2006).  Modelling process interaction in DNAPL enhanced bioremediation column studies. Proceedings of the 5th International Conference for the Remediation of Chlorinated and Recalcitrant Compounds.
  
  
• Kueper, B.H., K.A. White, M.J. Gefell, T.L. Blazicek, J.I. Gerhard and J. Shi (2006).  Design of a passive NAPL collection barrier. Proceedings of the 5th International Conference for the Remediation of Chlorinated and Recalcitrant Compounds. Abstract E-48.
  
  
• Grant, G.P. and J.I. Gerhard (2005). Formulation and validation of an interfacial area model for the explicit description of rate limited mass transfer in multiphase systems, Eos Trans. AGU, 86(52), Fall Meeting Suppl., Paper H21H-08.
  
  
• Grant, G.P. and J.I. Gerhard (2005). Validating a multiphase flow numerical model for DNAPL migration in two-dimensional heterogeneous porous media, Eos Trans. AGU, 86(52), Fall Meeting Suppl., Paper H21H-02.
  
  
• Rotter, B.E., D.A. Barry, J.I. Gerhard, J.S. Small, I. Beadle, and B. Tahar (2005). Parameter and process significance in mechanistic modeling of cellulose hydrolysis, Eos Trans. AGU, 86(52), Fall Meeting Suppl., Paper B31A-0984.
  
  
• Mao, X., J.I. Gerhard, and D.A. Barry (2005). Model parameter variability for enhanced anaerobic bioremediation of DNAPL source zones, Eos Trans. AGU, 86(52), Fall Meeting Suppl., Paper H23A-1417.
  
  
• Pang, T., J.I. Gerhard, and B.H. Kueper (2004).  DNAPL mobility in heterogeneous porous media: Sensitivity of migration times to source characteristics and release location parameters. Eos Trans. AGU, 85(47), Fall Meeting Suppl., Paper H31B-0375.
  
  
• Kueper, B.H., J.I. Gerhard and T. Pang (2004). DNAPL migration in heterogeneous porous media. Eos. Trans. AGU, 85(47), Fall Meet. Suppl., Paper H43H-08 (invited).
  
  
• Grant, G.P., J.I. Gerhard and Kueper, B.H. (2003). Spatially variable relative permeability in heterogeneous multiphase systems. Eos Trans. AGU, Fall Meet. Suppl., Paper H11G-0933.
  
  
• Kueper, B.H., J.I. Gerhard and D.A. Reynolds (2003). The timescales of DNAPL migration. Geophysical Research Abstracts, vol. 5, Paper EAE03-A-07989 (invited).
  
  
• Gerhard, J.I. and B.H. Kueper (2002). Critical phenomena of nonwetting fluid infiltration, redistribution, and immobilization in saturated porous media. Eos Trans. AGU, 83(47),Fall Meet. Suppl., Paper H71B-0805.
  
  
• Gerhard, J.I. and B.H. Kueper (2002). The Influence of constitutive model parameters on predictions of DNAPL migration in heterogeneous porous media. Eos Trans. AGU, 83(47), Fall Meet. Suppl., Paper H62B-0850.
  
  
• Gerhard, J.I. and B.H. Kueper (1994). The sensitivity of DNAPL migration to source strength and release location in heterogeneous porous media. Eos Trans. AGU, Fall Meet. Suppl., Paper H32D-05.