D.W. Ostendorf, E.S. Hinlein, D.P. Ahlfeld and J.T. DeJong, “Calibrated models of deicing agent solids, pavement texture, and specific conductivity of highway runoff”, in press, Journal of Environmental Engineering.
M.G. Kennedy, D.P. Ahlfeld, D.P. Schmidt, J.E. Tobiason, “Three Dimensional Modeling for Estimation of Hydraulic Retention Time in a Reservoir”, Journal of Environmental Engineering, September 2006, Vol 132 (9), pgs 976-984.
D.P. Ahlfeld, “Nonlinear Response of Streamflow to Groundwater Pumping For A Hydrologic Streamflow Model”, Advances in Water Resources, January 2004, Vol 27, pgs 349-360.
D.P. Ahlfeld and M. Minihane, “Storm Flow from First Flush Precipitation in Stormwater Design”, Journal of Irrigation and Drainage, July/August 2004, 130(4), pp 269-276.
D. P. Ahlfeld, A. Joaquin, J.E. Tobiason and D. Mas, “Case Study: Impact of Reservoir Stratification on Interflow Travel Time”, Journal of Hydraulic Engineering, December 2003, Vol 129, No. 12, pp. 966-975.
Barlow, P.M., D.P. Ahlfeld, and D.C. Dickerman, “Conjunctive-Management Models for Sustained Yield of Stream-Aquifer Systems”, Journal of Water Resources Planning and Management, January-February 2003, Vol. 129, No. 1, pgs 35-48.
Mulligan, A. E., and D. P. Ahlfeld, “A new interior point boundary projection method for nonlinear optimization problems”, Operations Research, July-August 2002, Vol. 50, No. 4.
R.A. Marryott, G.P. Sabadell, D.P. Ahlfeld, R.H. Harris, G.F. Pinder, “Allocating Remedial Costs at Superfund Sites with Co-Mingled Ground Water Contaminant Plumes”, Environmental Forensics, Vol. 1, No. 1, March 2000, pgs 47-54.
Karatzas, G.P., G.F. Pinder and D.P. Ahlfeld, "Computer-Facilitated Groundwater Remediation Design", Technology: A Journal of Science Serving Legistative, Regulatory, and Judicial Systems (Formely Journal of the Franklin Institute), Vol.6, pp. 453-473, 1999.
A.E. Mulligan and D.P. Ahlfeld, “Advective Control of Contaminant Plumes: Model Development and Comparison to Hydraulic Control”, Water Resources Research, Vol. 35, No. 8, August 1999, pgs 2285-2295.
R.G. Riefler, B.F. Smets and D.P. Ahlfeld, “A Respirometric Assay for Biofilm Kinetics Estimation: Parameter Identifiability and Retrievability”, Biotechnology and Bioengineering, Vol. 57, pgs 35-45, 1998.
D.P. Ahlfeld, Antigoni Zafirakou, R. Guy Riefler, “Solution of the groundwater transport management problem by sequential relaxation”, Advances In Water Resources Vol. 21, No. 7, 1998, pgs 591-604.
D.P. Ahlfeld, "Interpretation of the Dual Program for Optimal Groundwater Hydraulic Control", Journal of the American Water Resources Association, Vol 34, No. 1, February, 1998.
D.P. Ahlfeld and M.P. Sprong, “Presence of Non-Convexity in the Groundwater Concentration Response Function”, ASCE, Journal of Water Resources Planning and Management, Vol 124, No. 1, Jan/Feb 1998, pgs 8-14.
R.G. Riefler and D.P. Ahlfeld, “ The Impact of Numerical Precision on the Solution of Confined and Unconfined Optimal Hydraulic Control Problems”, Hazardous Waste and Hazardous Materials, Vol 13, No. 2, 1996, pgs 167-176.
D.P. Ahlfeld and E.H. Hill, III, " The Sensitivity of Remedial Strategies to Design Criteria", Groundwater, Vol. 34, No. 2, March-April 1996, pgs 341-348.
C.S. Sawyer, D.P. Ahlfeld, and A.J. King, "Groundwater Remediation Design Using a Three-Dimensional Simulation Model and Mixed-Integer Programming", Water Resources Research, May, 1995, pgs 1373-1385.
D.P. Ahlfeld, R.H. Page and G.F. Pinder, "Optimal Groundwater Remediation Methods Applied to a Superfund Site: From Formulation to Implementation", Ground Water, Vol. 33, No. 1, January-February 1995, pgs 58-71.
D.P. Ahlfeld, A. Dahmani, W. Ji, "A Conceptual Model of Field Behavior of Air Sparging and Its Implications for Application", Ground Water Monitoring and Remediation, Vol. 14, No. 4, 1994, pgs 132-139.
D.P. Ahlfeld and M.S. Islam, "Estimating the Probability of Exceeding Groundwater Quality Standards", Water Resources Bulletin, Vol. 30, No. 4, August 1994, pgs 623-629.
W. Wang and D.P. Ahlfeld, "Optimal Groundwater Remediation with Well Location as a Decision Variable: Model Development", Water Resources Research, Vol. 30, No. 5, May 1994, pps 1605-1618.
D.P. Ahlfeld and M. Heidari, "Applications of Optimal Hydraulic Control to Groundwater Systems", ASCE, Journal of Water Resources Planning and Management, Vol. 120, No. 3, May/June, 1994, pps 350-365.
W. Ji, A. Dahmani, D.P. Ahlfeld, J.D. Lin, E. Hill, "Laboratory Study of Air Sparging: Air Flow Visualization", Ground Water Monitoring and Remediation, Vol. 13, No. 4, 1993, pgs 115-126.
M.A. Dahmani, D.P. Ahlfeld, W. Ji, and M. Farrell, "Air Sparging Laboratory Study", refereed technical note in Proc. of 2nd Intl. Symposium on In-situ and Onsite Bioreclamation, ed. R. Hinchee, San Diego, CA, April, 1993.
D.P. Ahlfeld and G.F. Pinder, "A Fast and Accurate Method for Solving Subsurface Contaminant Transport Problems with a Single Uncertain Parameter", Advances in Water Resources, Vol 15, No. 2, 1992, pgs 143-149.
T. Tucciarelli and D.P. Ahlfeld, "A New Formulation for Transmissivity Estimation with Improved Global Convergence Properties", Water Resources Research, Vol. 27, No. 2, February, 1991, pgs 243-251.
D.P. Ahlfeld and C.S. Sawyer, "Well Location in Capture Zone Design Using Simulation and Optimization Techniques", Journal of Groundwater, Vol 28, No. 4, July-August 1990, pgs 507-513.
D.P. Ahlfeld, "Two-Stage Ground-Water Remediation Design", ASCE Journal of Water Resources Planning and Management, Vol.116, No. 4, July/August 1990, 517-529.
D.P. Ahlfeld, J.M. Mulvey and G.F. Pinder, "Contaminated Groundwater Remediation Design Using Simulation, Optimization, and Sensitivity Theory: 1, Model Development", Water Resources Research, Vol 24(3), March 1988, pgs. 431-442.
D.P. Ahlfeld, J.M. Mulvey, G.F. Pinder and E.F. Wood, "Contaminated Groundwater Remediation Design Using Simulation, Optimization, and Sensitivity Theory: 2, Analysis of Field Site”, Water Resources Research, Vol 24(3), March 1988, pgs. 443-452.
D.P. Ahlfeld, G.F. Pinder and J.M. Mulvey, "Combining Physical Containment with Optimal Withdrawal for Contaminated Groundwater Remediation", Advances in Water Resources, Vol. 10, No. 4, December 1987, pgs 200-204.
D.P. Ahlfeld, R.S. Dembo, J.M. Mulvey and S.A. Zenios, "Nonlinear Programming on Generalized Networks", Transactions on Mathematical Software of the ACM, Vol. 13, No. 4, 1987, pgs 352-367.
D.P. Ahlfeld and J.M. Mulvey, "Optimal Groundwater Quality Restoration: An Overview", Strategic Planning in Energy and Natural Resources, B. Lev, J. Bloom, A. Gleit, F. Murphy, and C. Shoemaker (eds.) North Holland Publ. Amsterdam, 1987, pgs 121-135.
D.P. Ahlfeld, J.M. Mulvey and G.F. Pinder, "Designing Optimal Strategies for Contaminated Groundwater Remediation", Advances in Water Resources, Vol. 9, No. 2, June 1986, pgs 77-84.
Ergas, S.J., Harrison, J., Bloom, J., Forloney, K., Ahlfeld, D.P., Nüsslein, K., Yuretich, R.F., 2005, Natural Attenuation of Acid Mine Drainage by Acidophilic and Acidotolerant Fe(III)- and Sulfate-Reducing Bacteria, in Innovative Approaches for the Remediation of Subsurface-Contaminated Hazardous Waste Sites: Bridging Flask and Field Studies , C. Clark II and A. Lindner (eds.), American Chemical Society Symposium Series, American Chemical Society, Washington DC.
D.P. Ahlfeld, “Quantitative Analysis of Groundwater Systems”, chapter in revised ASCE Groundwater Management Manual, (in review).
D.P. Ahlfeld and W.R. Dripps, “Groundwater Issues”, 2003, chapter in Water Resource Issues, Challenges and Opportunities, editors, R. Lawford, H. Hartmann, and D. Fort, American Geophysical Union (refereed).
Mulligan, A. E., and D. P. Ahlfeld, 2001, “Optimal plume capture design in unconfined aquifers”, J. Smith and S. Burns, eds., Chapter in Physicochemical groundwater remediation, Kluwer Academic, p. 23-44 (refereed).
Ahlfeld, D. P., and A. E. Mulligan, 2000, "Optimal Management of Flow in Groundwater Systems", Academic Press, San Diego, CA.
M.A. Dahmani, D.P. Ahlfeld, W. Ji, and M. Farrell, "Air Sparging Laboratory Study", in Air Sparging for Site Remediation, ed. R. Hinchee, Lewis Publishers, 1994.
M.A. Dahmani, K. Forster, D.P. Ahlfeld, G.E. Hoag, R.J. Carley, J. Chen, "Measurement of Motor Fuel Contaminated Soil Leachate", Chapter 9 in Hydrocarbon Contaminated Soils, eds R.T. Kostecki and E.J. Calabrese, Lewis Publishers, 1993.
D.P. Ahlfeld, “Modeling for Groundwater Flow Management Using MODOFC”, International Groundwater Modeling Center Newsletter, Colorado School of Mines, Vol. 21, No. 1., Spring 2003.
G.F. Pinder, D.P. Ahlfeld, and R.H. Page, "Conflict Resolution in Groundwater Remediation using Management Models: A Case Study", Civil Engineering, Vol. 65, No. 3, March 1995, pgs. 59-61.