| Simulating the multi-seasonal response of a large-scale watershed with a 3D physically-based hydrologic model Q Li, AJA Unger, EA Sudicky, D Kassenaar, EJ Wexler, S Shikaze Journal of hydrology 357 (3-4), 317-336, 2008 | 187 | 2008 |
| Application of system dynamics for developing financially self-sustaining management policies for water and wastewater systems R Rehan, MA Knight, CT Haas, AJA Unger Water research 45 (16), 4737-4750, 2011 | 167 | 2011 |
| On leakage and seepage from geologic carbon sequestration sites: unsaturated zone attenuation CM Oldenburg, AJA Unger Vadose Zone Journal 2 (3), 287-296, 2003 | 166 | 2003 |
| Mechanisms controlling vacuum extraction coupled with air sparging for remediation of heterogeneous formations contaminated by dense nonaqueous phase liquids AJA Unger, EA Sudicky, PA Forsyth Water Resources Research 31 (8), 1913-1925, 1995 | 137 | 1995 |
| Influence of leaky boreholes on cross‐formational groundwater flow and contaminant transport S Lacombe, EA Sudicky, SK Frape, AJA Unger Water Resources Research 31 (8), 1871-1882, 1995 | 128 | 1995 |
| Development of a system dynamics model for financially sustainable management of municipal watermain networks R Rehan, MA Knight, AJA Unger, CT Haas Water Research 47 (20), 7184-7205, 2013 | 109 | 2013 |
| Coupled vadose zone and atmospheric surface‐layer transport of carbon dioxide from geologic carbon sequestration sites CM Oldenburg, AJA Unger Vadose Zone Journal 3 (3), 848-857, 2004 | 105 | 2004 |
| Financially sustainable management strategies for urban wastewater collection infrastructure–development of a system dynamics model R Rehan, MA Knight, AJA Unger, CT Haas Tunnelling and Underground Space Technology 39, 116-129, 2014 | 94 | 2014 |
| Numerical study of the hydromechanical behavior of two rough fracture surfaces in contact AJA Unger, CW Mase Water Resources Research 29 (7), 2101-2114, 1993 | 90 | 1993 |
| Variable spatial and temporal weighting schemes for use in multi-phase compositional problems AJA Unger, PA Forsyth, EA Sudicky Advances in Water Resources 19 (1), 1-27, 1996 | 89 | 1996 |
| A noniterative technique for the direct implementation of well bore boundary conditions in three‐dimensional heterogeneous formations EA Sudicky, AJA Unger, S Lacombe Water Resources Research 31 (2), 411-415, 1995 | 62 | 1995 |
| Simulating the evolution of an ethanol and gasoline source zone within the capillary fringe S Yu, JG Freitas, AJA Unger, JF Barker, J Chatzis Journal of Contaminant Hydrology 105 (1-2), 1-17, 2009 | 54 | 2009 |
| Influence of alternative dissolution models and subsurface heterogeneity on DNAPL disappearance times AJA Unger, PA Forsyth, EA Sudicky Journal of contaminant hydrology 30 (3-4), 217-242, 1998 | 54 | 1998 |
| Simulating the fate and transport of TCE from groundwater to indoor air S Yu, AJA Unger, B Parker Journal of contaminant hydrology 107 (3-4), 140-161, 2009 | 53 | 2009 |
| Strategic water utility management and financial planning using a new system dynamics tool R Rehan, A Unger, MA Knight, C Haas Journal‐American Water Works Association 107 (1), E22-E36, 2015 | 46 | 2015 |
| Benchmark performance indicators for utility water and wastewater pipelines infrastructure A Ganjidoost, MA Knight, AJA Unger, CT Haas Journal of Water Resources Planning and Management 144 (3), 04018003, 2018 | 41 | 2018 |
| Nonlinear iteration methods for nonequilibrium multiphase subsurface flow PA Forsyth, AJA Unger, EA Sudicky Advances in Water Resources 21 (6), 433-449, 1998 | 41 | 1998 |
| Gas exsolution and flow during supersaturated water injection in porous media: II. Column experiments and continuum modeling R Enouy, M Li, MA Ioannidis, AJA Unger Advances in Water Resources 34 (1), 15-25, 2011 | 39 | 2011 |
| Financially sustainable management strategies for urban wastewater collection infrastructure–Implementation of a system dynamics model R Rehan, AJA Unger, MA Knight, CT Haas Tunnelling and Underground Space Technology 39, 102-115, 2014 | 38 | 2014 |
| Simulating the pre-development hydrologic conditions in the San Joaquin Valley, California BL Bolger, YJ Park, AJA Unger, EA Sudicky Journal of Hydrology 411 (3-4), 322-330, 2011 | 36 | 2011 |
Carl HaasProfessor of Engineering, University of WaterlooVerified email at uwaterloo.ca