Paul T. Imhoff

Ph.D, Princeton University


Office: 344A DuPont Hall
Phone: (302) 831-0541
Fax: (302) 831-3640
Curriculum Vitae:  view

[ Short Bio | Education | Awards | Select Publications | Courses ]

Short Bio

Research Interests:
Transport of fluids and contaminants in multiphase systems; mass transfer processes in soil and groundwater; sustainable landfilling; green stormwater treatment; mathematical modeling


1992: Ph.D, Princeton University
1988: M.A, Princeton University
1986: M.S, University of Wisconsin at Madison
1983: B.S., University of Cincinnati

Honors and Awards

2011 ASCE Outstanding Reviewer: Journal of Environmental Engineering (2011)
2010 Top Reviewer: Waste Management (2010)
Professional Engineer: (Delaware, 1998)
Engineer in Training: (1983)
Association of Environmental Engineering and Science Professors Distinguished Service: (2005)
Outstanding Referee Award: Waste Management (2004)
Editor's Award: Journal of Environmental Engineering (2002)
Faculty Early Career Development (CAREER) Award: National Science Foundation (2000)
Chi Epsilon Honorary Fraternity: 1982
Tau Beta Pi Honorary Fraternity: 1981

Select Publications

Yazdani, R., Imhoff, P., Han, B., Mei, C., and D. Augenstein (2015) Quantifying Capture Efficiency of Gas Collection Wells with Gas Tracers, Waste Management, vol. 43, pp. 319-327, doi:10.1016/j.wasman.2015.06.032.
Mei, C., Yazdani, R., Han, B., Mostafid, M.E., Chanton, J., VanderGheynst, J., and P.T. Imhoff (2015) Performance of Green Waste Biocovers for Enhancing Methane Oxidation, Waste Management, vol. 39, pp. 205-215, DOI:10.1016/j.wasman.2015.01.042.
Yi, S., Witt, B., Chiu, P.C., Guo, M. and P.T. Imhoff, (2015)  The Origin and Reversible Nature of Poultry Litter Biochar Hydrophobicity, Journal of Environmental Quality, vol. 512-513, pp. 454-463, DOI:10.1016/j.scitotenv.2015.01.093.
Wang, Y., Lin, Y., Chiu, P.C., Imhoff, P.T., and M. Guo, (2015) Phosphorus Release Behaviors of Poultry Litter Biochar as a Soil Amendment, Science of the Total Environment, vol. 512-513, 454-463, DOI:10.1016/j.scitotenv.2015.01.093.
Saquing, J.M., Chanton, J.P., Yazdani, R., Barlaz, M.A., Scheutz, C., Blake, D.R., and P.T. Imhoff, (2014)  Assessing Methods to Estimate Emissions of Non-methane Organic Compounds From Landfills, Waste Management, vol. 34, no. 11, pp. 2260-2270, DOI:10.1016/j.wasman.2014.07.007.
Akhavan, M, Imhoff, P.T., Andres, A.S., and S. Finsterle, (2013)  Model Evaluation of Denitrification Under Rapid Infiltration Basin Systems, Journal of Contaminant Hydrology, vol. 152, p. 18-34, DOI: 10.1016/j.jconhyd.2013.05.007.

Farthing, M.W., Seyedabbasi, M.A., Imhoff, P.T., and C.T. Miller, (2012) Influence of Porous Media Heterogeneity on NAPL Dissolution Fingering and Upscaled Mass Transfer, Water Resources Research, W08507, DOI:10.1029/2011WR011389.

Mostafid, M.E., Shank, C., Imhoff, P.T., and R. Yazdani, (2012) Gas Transport Properties of Compost Woodchip and Green Waste for Landfill Biocovers and Biofilters, Chemical Engineering Journal, vol. 191, pp. 314-325.
Akhavan, M., P.T. Imhoff, S. Finsterle, and A.S. Andres, (2012) Application of a Coupled Overland Flow Vadose Zone Model to Rapid Infiltration Basin Systems, Vadose Zone Journal, vol. 11, p. vzj2011.0140.
Jung, Y. Han, B., Mostafid, M.E., Yazdani, R., and  P.T. Imhoff, (2012) Photoacoustic Infrared Spectroscopy for Conducting Gas Tracer Tests and Measuring Water Saturations in Landfills, Waste Management, vol. 32, no. 2, pp. 297-304.
Jung, Y. Imhoff, P.T., and S. Finsterle, (2011) Estimation of Landfill Gas Generation Rate and Gas Permeability Field of Refuse Using Inverse Modeling, Transport in Porous Media, vol. 90, pp. 41-58.
Han, B., Scicchitano, V., and P.T. Imhoff, (2011), Measuring Fluid Flow Properties of Waste and Assessing Alternative Conceptual Models of Pore Structure, Waste Management, vol. 31, no. 3, pp. 445-456.
Yazdani, R., Mostafid, M.E., Han, B.,  Imhoff, P.T., Chiu, P., Augenstein, D., Kayhanian, M., and G. Tchobanoglous, (2010), Quantifying Factors Limiting Aerobic Degradation During Bioreactor Landfilling, Environmental Science&Technology, vol. 44, no. 16, pp. 6215-6220.
Sondhi, A., Imhoff, P.T., Dentel, S.K., and H.E. Allen (2010) , Assessment of Methods for Collecting Fallout Brake Pad Wear Debris for Environmental Analysis, Journal of Environmental Science and Health, Part A, vol. 45, No. 2, pp. 239-249.
Jung, Y., Imhoff, P.T., Augenstein, D.C., and R. Yazdani (2009), Influence of High-Permeability Layers for Enhancing Landfill Gas Capture and Reducing Fugitive Methane Emissions from Landfills, Journal of Environmental Engineering, vol. 135, No. 3.

 Seyedabbasi, M.A., Farthing, M.W., Imhoff, P.T., and C.T. Miller (2008), The Infuence of Wettability on NAPL Dissolution Fingering, Advances in Water Resources, vol.31, pp. 1687-1696.


Imhoff, P.T., Reinhart, D.R., Englund, M., Gurin, R., Gawande, N., Han, B., Jonnalagadda, S., Townsend, T., and R. Yazdani (2007), Methods for Measuring Liquid in Bioreactor Landfills- A Critical Review, Waste Management, vol. 27, pp. 729-745.


Han, B., Imhoff, P.T., and R. Yazdani (2007), Field Application of Partitioning Gas Tracer Test for Measuring Water in a Bioreactor Landfill, Environmental Science&Technology, vol. 41, no. 1, pp. 277-283.


 Han, B., Jafarpour, B., Gallagher, V.N., Imhoff, P.T., Chiu, P.C., and D. Fluman (2006), Measuring Seasonal Variations of Moisture in a Landfill with the Partitioning Gas Tracer Tests, Waste Management, vol. 26, pp. 344-355.


Li, L., and P.T. Imhoff (2005), Water Saturation Measurement by Gas Tracers in Unsaturated Porous Media - Effect of Mass Transfer Limitations, Vadose Zone Journal, vol. 4, pp. 1107-1118.


Jafarpour, B., P.T. Imhoff and P.C. Chiu (2005), Mathematical Modeling of 2,4-Dinitrotolune Reduction with High-Purity and Cast Iron, Journal of Contaminant Hydrology, vol. 76, pp. 87-107.


Imhoff, P.T., and K. Pirestani, (2004) Influence of Mass Transfer Resistance on Detection of Nonaqueous Phase Liquids with Partitioning Tracer Tests, Advances in Water Resources, vol. 27, no. 4, pp. 429-444.


Imhoff, P.T., A. Jakubowitch, M.L. Briening, and P. Chiu (2003), Partitioning Gas Tracer Tests for Measuring Water in Municipal Solid Waste, Journal of the Air&Waste Management Association, vol. 53, pp. 1391-1400.


Imhoff, P.T., M.W. Farthing, and C.T. Miller (2003), Modeling NAPL Disssolution Fingering with Upscaled Mass Transfer Rate Coeffcients, Advances in Water Resources, vol. 26, no. 10, pp. 1097-1111.


Imhoff, P.T., K. Pirestani, Y. Jafarpour, and K.M. Spivey (2003), Tracer Interaction Effects During Paritioning Tracer Tests for NAPL Detection, Environmental Science&Technology, vol. 37, no. 7, pp. 1441-1447.


Imhoff, P.T., K. Pirestani, Y. Jafarpour, and K.M. Spivey (2003), Tracer Interaction Effects During Paritioning Tracer Tests for NAPL Detection, Environmental Science&Technology, vol. 37, no. 7, pp. 1441-1447.


Imhoff, P.T., A.L. Sawicki, M. Mercer, and M. Fitzpatrick (2003), Scaling DNAPL Migration from the Laboratory to the Field, Journal of Contaminant Hydrology, vol. 64, p. 73-92.


Bonk, R.J., Imhoff, P.T., and A.H.-D. Cheng (2002) Integrating Written Communication Within Engineering Curricula (forum paper), ASCE Journal of Professional Issues in Engineering Education&Practice, vol. 128, no. 4, pp. 152-159.


Imhoff, P.T., Farthing, M.W., Gleyzer, S.N., and C.T. Miller (2002) The Evolving Interface Between Clean and NAPL-Contaminated Regions in Two-Dimensional Porous Media, Water Resources Research, vol. 38, no. 6, pp. 29-1, 29-14.


Fu, X., and P.T. Imhoff (2002) Mobilization of Small DNAPL Pools formed by Capillary Entrapment, Journal of Contaminant Hydrology, vol. 56, pp. 137-158.

Courses Taught

Fall CIEG 337 Environmental Engineering Laboratory
Spring CIEG 498/698 Groundwater Flow and Contaminant Transport

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