Walter A Illman

Summary

Affiliation: University of Waterloo
Country: Canada

Publications

  1. doi request reprint Hydraulic tomography offers improved imaging of heterogeneity in fractured rocks
    Walter A Illman
    Department of Earth and Environmental Sciences, University of Waterloo, Waterloo, Canada N2L 3G1
    Ground Water 52:659-84. 2014
  2. doi request reprint Comparison of approaches for predicting solute transport: sandbox experiments
    Walter A Illman
    Waterloo Institute for Groundwater Research, Department of Earth and Environmental Sciences, University of Waterloo, Waterloo, Ontario, Canada
    Ground Water 50:421-31. 2012
  3. doi request reprint Hydraulic/partitioning tracer tomography for DNAPL source zone characterization: small-scale sandbox experiments
    Walter A Illman
    Waterloo Institute for Groundwater Research, Department of Earth and Environmental Sciences, University of Waterloo, Waterloo, Canada
    Environ Sci Technol 44:8609-14. 2010
  4. doi request reprint Field study of subsurface heterogeneity with steady-state hydraulic tomography
    Steven J Berg
    Department of Earth and Environmental Sciences, Waterloo Institute for Groundwater Research, University of Waterloo, Waterloo, Canada
    Ground Water 51:29-40. 2013
  5. doi request reprint Determination of rate constants and branching ratios for TCE degradation by zero-valent iron using a chain decay multispecies model
    Hyoun Tae Hwang
    Aquanty Inc, 564 Weber Street North, Unit 12, Waterloo, ON N2L 5C6, Canada Department of Earth and Environmental Sciences, University of Waterloo, Waterloo, ON N2L 3G1, Canada
    J Contam Hydrol 177:43-53. 2015
  6. doi request reprint Numerical simulation of DNAPL emissions and remediation in a fractured dolomitic aquifer
    Robert G McLaren
    Waterloo Institute for Groundwater Research, Department of Earth and Environmental Sciences, Waterloo, Ontario, Canada
    J Contam Hydrol 136:56-71. 2012
  7. doi request reprint Joint Estimation of Hydraulic and Poroelastic Parameters from a Pumping Test
    Steven J Berg
    Department of Earth and Environmental Sciences, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
    Ground Water 53:759-70. 2015
  8. doi request reprint Comparison of hydraulic tomography with traditional methods at a highly heterogeneous site
    Steven J Berg
    Department of Earth and Environmental Sciences, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada Aquanty Inc, Waterloo, Ontario N2L 5C6, Canada
    Ground Water 53:71-89. 2015
  9. doi request reprint A semi-analytical solution for simulating contaminant transport subject to chain-decay reactions
    Edward A Sudicky
    Department of Earth and Environmental Sciences, University of Waterloo, Waterloo, Ontario, Canada
    J Contam Hydrol 144:20-45. 2013
  10. ncbi request reprint Field study of hydrogeologic characterization methods in a heterogeneous aquifer
    Matthew Alexander
    Department of Earth and Environmental Sciences, Waterloo Institute for Groundwater Research, University of Waterloo, Waterloo, Canada N2L 3G1
    Ground Water 49:365-82. 2011

Collaborators

  • Sung Wook Jeen
  • Yu Shu Wu
  • Steven J Berg
  • Edward A Sudicky
  • Hyoun Tae Hwang
  • Robert G McLaren
  • Matthew Alexander
  • Chin Man W Mok
  • Jan B Kool
  • Peter Huyakorn
  • Young Jin Park
  • Paul A Hsieh

Detail Information

Publications11

  1. doi request reprint Hydraulic tomography offers improved imaging of heterogeneity in fractured rocks
    Walter A Illman
    Department of Earth and Environmental Sciences, University of Waterloo, Waterloo, Canada N2L 3G1
    Ground Water 52:659-84. 2014
    ..Technological advances will undoubtedly lead to more accurate maps. However, more effort should go into evaluating these maps so that one can gain more confidence in their reliability. ..
  2. doi request reprint Comparison of approaches for predicting solute transport: sandbox experiments
    Walter A Illman
    Waterloo Institute for Groundwater Research, Department of Earth and Environmental Sciences, University of Waterloo, Waterloo, Ontario, Canada
    Ground Water 50:421-31. 2012
    ..This suggests that the high-resolution prediction of solute transport is possible without collecting a large number of small-scale samples to estimate flow and transport properties that are costly to obtain at the field scale...
  3. doi request reprint Hydraulic/partitioning tracer tomography for DNAPL source zone characterization: small-scale sandbox experiments
    Walter A Illman
    Waterloo Institute for Groundwater Research, Department of Earth and Environmental Sciences, University of Waterloo, Waterloo, Canada
    Environ Sci Technol 44:8609-14. 2010
    ..We also found that the delineation of K heterogeneity can have a large impact on computed S(N) distributions emphasizing the importance of accurate delineation of hydraulic heterogeneity...
  4. doi request reprint Field study of subsurface heterogeneity with steady-state hydraulic tomography
    Steven J Berg
    Department of Earth and Environmental Sciences, Waterloo Institute for Groundwater Research, University of Waterloo, Waterloo, Canada
    Ground Water 51:29-40. 2013
    ....
  5. doi request reprint Determination of rate constants and branching ratios for TCE degradation by zero-valent iron using a chain decay multispecies model
    Hyoun Tae Hwang
    Aquanty Inc, 564 Weber Street North, Unit 12, Waterloo, ON N2L 5C6, Canada Department of Earth and Environmental Sciences, University of Waterloo, Waterloo, ON N2L 3G1, Canada
    J Contam Hydrol 177:43-53. 2015
    ....
  6. doi request reprint Numerical simulation of DNAPL emissions and remediation in a fractured dolomitic aquifer
    Robert G McLaren
    Waterloo Institute for Groundwater Research, Department of Earth and Environmental Sciences, Waterloo, Ontario, Canada
    J Contam Hydrol 136:56-71. 2012
    ....
  7. doi request reprint Joint Estimation of Hydraulic and Poroelastic Parameters from a Pumping Test
    Steven J Berg
    Department of Earth and Environmental Sciences, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
    Ground Water 53:759-70. 2015
    ..However, the estimated shear modulus was higher than the static shear modulus, but was within the range of dynamic shear modulus reported in the literature, potentially suggesting a loading rate effect. ..
  8. doi request reprint Comparison of hydraulic tomography with traditional methods at a highly heterogeneous site
    Steven J Berg
    Department of Earth and Environmental Sciences, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada Aquanty Inc, Waterloo, Ontario N2L 5C6, Canada
    Ground Water 53:71-89. 2015
    ..However, conditioning of hydraulic tomography results with permeameter K data caused a slight deterioration in accuracy of drawdown predictions which suggests that data integration may need to be conducted carefully. ..
  9. doi request reprint A semi-analytical solution for simulating contaminant transport subject to chain-decay reactions
    Edward A Sudicky
    Department of Earth and Environmental Sciences, University of Waterloo, Waterloo, Ontario, Canada
    J Contam Hydrol 144:20-45. 2013
    ..Various cases are generated and the solutions are verified against the HydroGeoSphere numerical model...
  10. ncbi request reprint Field study of hydrogeologic characterization methods in a heterogeneous aquifer
    Matthew Alexander
    Department of Earth and Environmental Sciences, Waterloo Institute for Groundwater Research, University of Waterloo, Waterloo, Canada N2L 3G1
    Ground Water 49:365-82. 2011
    ..2005). Results showed that, while drawdown predictions generally improved as more complexity was introduced into the model, the ability to make accurate drawdown predictions at all CMT ports was inconsistent...
  11. doi request reprint Estimating hydraulic parameters when poroelastic effects are significant
    Steven J Berg
    Waterloo Institute for Groundwater Research, Department of Earth and Environmental Sciences, University of Waterloo, Waterloo, Canada N2L 3G1
    Ground Water 49:815-29. 2011
    ....