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Walter A. Illman

Walter A. Illman

D-Index & Metrics

Earth Science

D-Index
40
Citations
5496
World Ranking
5888
National Ranking
296

Overview

Walter A. Illman is affiliated with the University of Waterloo in Canada and has a research focus that spans engineering, environmental science, and earth and planetary sciences. Their work includes a significant number of publications across various subfields such as environmental engineering, geophysics, mechanical engineering, ocean engineering, and civil and structural engineering.

Their research predominantly addresses topics related to groundwater flow and contamination studies, hydraulic fracturing and reservoir analysis, seismic imaging and inversion techniques, and geophysical and geoelectrical methods. Additional topics include soil and unsaturated flow, geophysical methods and applications, and reservoir engineering and simulation methods.

Illman's publications have frequently appeared in the following venues:

  • Journal of Hydrology
  • Water Resources Research
  • Zenodo (CERN European Organization for Nuclear Research)
  • Ground Water
  • Advances in Water Resources

Notable recent papers include:

  • Review of Laboratory Scale Models of Karst Aquifers: Approaches, Similitude, and Requirements, 2020, Ground Water
  • The importance of fracture geometry and matrix data on transient hydraulic tomography in fractured rocks: Analyses of synthetic and laboratory rock block experiments, 2021, Journal of Hydrology
  • On the importance of considering specific storage heterogeneity in hydraulic tomography: Laboratory sandbox and synthetic studies, 2020, Journal of Hydrology
  • Evaluation of baseflow separation methods with real and synthetic streamflow data from a watershed, 2022, Journal of Hydrology
  • Improving precision in regional scale numerical simulations of groundwater flow into underground openings, 2020, Engineering Geology

Frequent collaborators include:

  • Ning Luo
  • Zhanfeng Zhao
  • Jinguo Wang
  • Yuanyuan Zha
  • Zhifang Zhou

Illman's research outputs show a consistent emphasis on areas of environmental engineering and geophysical methodologies applied to groundwater and hydraulic systems. Their work contributes to understanding key processes in fractured rock systems, hydraulic tomography, and numerical simulations related to groundwater dynamics.

Best Publications

  • Bioremediation and Natural Attenuation: Process Fundamentals and Mathematical Models

    Pedro J. J. Alvarez;Walter A. Illman

  • Bioremediation and Natural Attenuation

    PedroJ. J. Alvarez;Walter A. Illman

  • Hydraulic tomography in fractured granite: Mizunami Underground Research site, Japan

    Walter A. Illman;Xiaoyi Liu;Shinji Takeuchi;Tian Chyi Jim Yeh

  • Laboratory sandbox validation of transient hydraulic tomography

    X. Liu;W. A. Illman;A. J. Craig;J. Zhu;J. Zhu

  • Steady-state hydraulic tomography in a laboratory aquifer with deterministic heterogeneity: Multi-method and multiscale validation of hydraulic conductivity tomograms

    Walter A. Illman;Xiaoyi Liu;Andrew Craig

  • Three‐dimensional numerical inversion of pneumatic cross‐hole tests in unsaturated fractured tuff: 2. Equivalent parameters, high‐resolution stochastic imaging and scale effects

    Velimir V. Vesselinov;Shlomo P. Neuman;Walter A. Illman

  • Three-dimensional transient hydraulic tomography in a highly heterogeneous glaciofluvial aquifer-aquitard system

    Steven J. Berg;Walter A. Illman

  • Comparison of aquifer characterization approaches through steady state groundwater model validation: A controlled laboratory sandbox study

    Walter A. Illman;Junfeng Zhu;Andrew J. Craig;Danting Yin

  • Heterogeneity in hydraulic conductivity and its role on the macroscale transport of a solute plume: From measurements to a practical application of stochastic flow and transport theory

    E. A. Sudicky;W. A. Illman;I. K. Goltz;J. J. Adams;J. J. Adams

  • Three-dimensional numerical inversion of pneumatic cross-hole tests in unsaturated fractured tuff: 1. Methodology and borehole effects

    Velimir V. Vesselinov;Shlomo P. Neuman;Walter A. Illman

  • Practical issues in imaging hydraulic conductivity through hydraulic tomography.

    Walter A. Illman;Andrew J. Craig;Xiaoyi Liu

  • Hydraulic Tomography for Detecting Fracture Zone Connectivity

    Yonghong Hao;Tian Chyi J. Yeh;Tian Chyi J. Yeh;Jianwei Xiang;Walter A. Illman

  • Strong field evidence of directional permeability scale effect in fractured rock

    Walter A. Illman

  • Hydraulic Tomography Offers Improved Imaging of Heterogeneity in Fractured Rocks

    Walter A. Illman

  • Type curve interpretation of a cross-hole pneumatic injection test in unsaturated fractured tuff

    Walter A. Illman;Shlomo P. Neuman

  • Comparison of hydraulic tomography with traditional methods at a highly heterogeneous site.

    Steven J. Berg;Walter A. Illman

  • Capturing aquifer heterogeneity: Comparison of approaches through controlled sandbox experiments

    Steven J. Berg;Walter A. Illman

  • Performance Assessment of Bioremediation and Natural Attenuation

    Walter A. Illman;Pedro J. Alvarez

  • Steady-state analysis of cross-hole pneumatic injection tests in unsaturated fractured tuff

    Walter A Illman;Shlomo P Neuman

  • Hydraulic tomography using temporal moments of drawdown recovery data: A laboratory sandbox study

    Danting Yin;Walter A. Illman

Frequent Co-Authors

Tian-Chyi Jim Yeh
Tian-Chyi Jim Yeh University of Arizona
Pedro J. J. Alvarez
Pedro J. J. Alvarez Rice University
Shlomo P. Neuman
Shlomo P. Neuman University of Arizona
Edward A. Sudicky
Edward A. Sudicky University of Waterloo
Wolfgang Nowak
Wolfgang Nowak University of Stuttgart
Shaun K. Frape
Shaun K. Frape University of Waterloo
Jens Birkholzer
Jens Birkholzer Lawrence Berkeley National Laboratory
Warren Barrash
Warren Barrash Boise State University
Quanlin Zhou
Quanlin Zhou Lawrence Berkeley National Laboratory
Yu-Shu Wu
Yu-Shu Wu Colorado School of Mines

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