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Publications Produced by the Groundwater Management Group

University of Connecticut (1988-1998)
University of Massachusetts (1998 - present)
Last updated November 2008

D.P. Ahlfeld and Y. Hoque, “Impact of Simulation Model Solver Performance on Groundwater Management Problems”,  Ground Water, Vol 46, no. 5 September-October 2008, pgs 716-726.

D.P. Ahlfeld and G. Baro-Montes, “Solving Unconfined Groundwater Flow Management Problems with Successive Linear Programming”,  Journal of Water Resources Planning and Management, Vol. 134, No. 5, September 1, 2008, pgs 404-412.

David Pulido-Velazquez, David Ahlfeld, Joaquin Andreu, Andres Sahuquillo, “Reducing the computational cost of unconfined groundwater flow in conjunctive-use models at basin scale assuming linear behaviour: The case of Adra-Campo de Dalias”, Journal of Hydrology Volume 353, Issues 1-2, , 20 May 2008, Pages 159-174.

D.P. Ahlfeld, “Nonlinear Response of Streamflow to Groundwater Pumping For A Hydrologic Streamflow Model”, Advances in Water Resources, 2004, Vol 27(4), pgs 349-360.

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.

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.

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.

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.

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 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.        

Books and Chapters in Books

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.

Popular Publications       

Paul M. Barlow and Gregory E. Granato, and David P. Ahlfeld, “Simulation-Optimization Modeling to Assist Conjunctive Management of Stream-Aquifer Systems of Rhode Island”, Groundwater News and Views, Newsletter of Assoc. of Groundwater Scientists and Engineers, Volume 4/No. 2,November 2007.

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.

Conference Proceedings

D.P. Ahlfeld and G. Baro-Montes, “Alternative Groundwater Management Algorithms for a Large-Scale Transient Problem”, Proc. of the World Environmental and Water Resources Congress, American Society of Civil Engineers, Tampa, FL, May 15-19, 2007.

P.M. Barlow, D.P. Ahlfeld and G.E. Granato, “A Simulation-Optimization Model for Evaluation of Ground-Water Development Options Constrained by Minimum Streamflow Requirements and Water-Supply Demands”, Proc. of MODFLOW and More 2006: Managing Ground Water Systems, May 2006, Golden, Colorado.

D.P. Ahlfeld, “Algorithm for Groundwater Management Formulations with Head Dependent Boundary Conditions”,  Proc. of XV International Conference on Computational Methods in Water Resources, June, 2004, Chapel Hill, NC., Editors, C.T. Miller, M.W. Farthing, W.G. Gray, G.F. Pinder, pgs 1193-1200.

D.P. Ahlfeld, “Solving Mixed-Binary Optimization Problems for Groundwater Management”, Proc. of the World Water and Environmental Resources Congress, American Society of Civil Engineers, Philadelphia, PA, June 23-26, 2003.

D.P. Ahlfeld and M.R. Minihane, “Numerical Issues in Management of Stream/Aquifer Interaction",  Proc. of the XIV International Conference on Computational Methods in Water Resources, Delft, The Netherlands, Editors, S.M. Hassanizadeh, R.J. Schotting, W.G. Gray, G.F. Pinder, June, 2002, pgs 1471-1478.

M.R. Minihane and D.P. Ahlfeld, “Application of Management Models to Water Supply with Stream/Aquifer Interactions”, Proc. 2002 Conference on Water Resouces Planning and Management, American Society of Civil Engineers, Roanoke, VA, May 19-22, 2002.

D.P. Ahlfeld, “Flow and Transport Optimization for Pump and Treat Systems”, Proc. of Subsurface Remediation: Improving Long-Term Monitoring and Remedial Systems Performance”, EPA/542/B-00/002, April 2000.

David P. Ahlfeld, R. Guy Riefler and Ann E. Mulligan, “A New Code for MODFLOW-Coupled Groundwater Management of Unconfined Aquifers”, Proc. of MODFLOW 98, Golden, CO, October, 1998, Editors, E. Poeter, C. Zheng and M. Hill, pgs 431-438.

A. Mulligan and D.P. Ahlfeld, "Optimal Plume Control Based on Advective Transport",  Proc. of the XII International Conference on Computational Methods in Water Resources, Editors, V.N. Burganos, G.P. Karatzas, A.C. Payatakes, C.A. Brebbia, W.G. Gray, G.F. Pinder, June, 1998, pgs 83-90.

D.P. Ahlfeld and R. G. Riefler, “The Impact of Numerical Precision on Optimal Groundwater Hydraulic Control”, Proc. of ASCE North America Water and Environment Congress “˜96, Anaheim, CA, June 22-28, 1996.

D.P. Ahlfeld and M. Palumbo, “Investigating the Non-Convexity of the Groundwater Quality Management Response Function”, Proc. of ASCE North America Water and Environment Congress “˜96, Anaheim, CA, June 22-28, 1996.

G. Karatzas, G.F. Pinder, D.P. Ahlfeld, “Optimal Design of Solutions to Groundwater Contamination Problems”, Proc. of the 3rd Intl. Conf. on Water Pollution Modeling, Measuring and Prediction, Porto Carras, Greece, May 1995.

J.V. Dannenhoffer and D.P. Ahlfeld, "Reliability Under Uncertainty of Optimal Hydraulic Control Solutions", Proc. of 22nd Annual ASCE Water Resources Planning and Management Division Conference, May 7-11, 1995, Boston, Mass.

D.P. Ahlfeld and A. Zafirakou, "An Algorithm for Approximate Solution of the Groundwater Contaminant Remediation Problem",  Proc. of the X International Conference on Computational Methods in Water Resources, Editors, A. Peters, G. Wittum, B. Herrling, U. Meissner, C.A. Brebbia, W.G. Gray, G.F. Pinder, July, 1994, pgs 833-840.

D.P. Ahlfeld and J.D. Dombek, "Evaluating Sensitivity of Hydraulic Control Optimization Models", Proc. of 21st Annual ASCE Water Resources Planning and Management Division Conference, May 23-26, 1994, Denver, Colo.

D.P. Ahlfeld, "Optimizing Remedial Strategies with Modeling: A Case Study", Proc. of the New England Environmental Expo, Boston, Mass., 1993.

C. S. Sawyer and D.P. Ahlfeld, "A Mixed-Integer Model for Minimum Cost of Remediating a Multi-Layer Aquifer", Proc. of the IX International Conference on Computational Methods in Water Resources, Editors T.F. Russell, R.E. Ewing, C.A. Brebbia, W.G. Gray and G.F. Pinder, Denver, Colo, June 1992, pgs 353-360.

D.P. Ahlfeld and W. Wang, "Optimal Groundwater Management Without Fixed Well Points", Proc. of the IX International Conference on Computational Methods in Water Resources, Editors T.F. Russell, R.E. Ewing, C.A. Brebbia, W.G. Gray and G.F. Pinder, Denver, Colo, June 1992, pgs 345-352.

"Determining the Relationship Between Groundwater Remediation Cost and Effectiveness", Proc. of the VIII Inter. Conf. on Computational Methods in Water Resources, Venice, Italy, June 1990.  Editors G. Gambolati, A. Rinaldo, C.A. Brebbia, W.G. Gray and G.F. Pinder, pgs 277-282.

D.P. Ahlfeld and C. Sawyer, "Capture Zone Design Using Simulation Models and Optimization Techniques", Proc. of Focus Conf. of the Assoc. of Groundwater Scientists and Engineers, Stamford, CT, September 1988, pgs 313-323.

D.P. Ahlfeld, J.M. Mulvey and G.F. Pinder, "Designing Optimal Strategies for Contaminated Groundwater Remediation", Proc. of the VI Inter. Conf. on Finite Elements in Water Resources, Lisbon, Portugal, 1986, Editors A.Sa da Costa, A. Melo Baptista, W.G. Gray, C.A. Brebbia and G.F. Pinder, pgs 205-213.

Technical Reports

Ahlfeld, D.A., Barlow, P.M., and Mulligan, A.E., 2005, GWM-A ground-water management process for the U.S. Geological Survey modular ground-water model (MODFLOW-2000): U.S. Geological Survey Open-File Report 2005-1072, 124 p (refereed).

E.L. Pesce, D.P. Ahlfeld, C. Zheng, R. Peralta, "Demonstration of the Optimization of Extraction-Treatment-Reinjection (ETR) Design for the CS-10 Groundwater Contaminant Plume", Environmental Technology Center, Massachusetts Military Reservation, Cape Cod, MA, March, 2000.

Mulligan, A. E., and D. P. Ahlfeld, 1998, “An interior point boundary projection method for nonlinear groundwater optimization with zero-derivative constraints”, Research Center for Groundwater Remediation Design, University of Vermont, RCGRD Pub. No. 98-02.

Vladimir P. Stepanenko and D.P. Ahlfeld, “Experiments with the Dense Jacobian Form of the Sequential Relaxation Method for Solving Groundwater Transport Remediation Problems”, RCGRD Report #97-1 University of Connecticut, Storrs, CT, 1997.

D.P. Ahlfeld, E.H. Hill, "Reliability of Optimal Remedial Strategies with Variability of Conductivity", Report CEE-97-1, Dept. of Civil and Environmental Engineering, University of Connecticut, 1997.

D.P. Ahlfeld and R.G. Riefler, "Documentation for MODOFC: A Program for Solving Optimal Flow Control Problems Based on MODFLOW Simulation", Report RCGRD#96-20, University of Connecticut, Storrs, CT, 1996. 

D.P. Ahlfeld, E.H. Hill, J. Dombek, "VCON: A program for groundwater flow and contaminant transport simulation combined with optimal remedial design, User's Manual", Report ERI 94-03, Environmental Research Institute, University of Connecticut, 1994, 18 pgs.

D.P. Ahlfeld and G.F. Pinder, "Optimal Contaminated Groundwater Remediation Under Transient Flow Conditions", Report ERI-88-4, Environmental Research Institute, University of Connecticut, June 1988, 14 pgs.

"GW2SEN - A Program for Groundwater Transport Simulation and Sensitivity Analysis", Report 87-WR-1, Water Resources Program, Dept. of Civil Engineering, Princeton University, March 1987.

D.P. Ahlfeld, J.M. Mulvey and G.F. Pinder, "A New Algorithm for Optimal Groundwater Clean-up Using Analytical Derivatives", Report EES-86-11, Engineering Management Systems Program, Dept. of Civil Engineering, Princeton University, April 1986, 17 pgs.