• Publications
  • Influence
Ground penetrating radar as a subsurface environmental sensing tool
Ground penetrating radar (GPR) is considered as an environmental tool. The basic concepts involved in GPR are introduced briefly including the antennas, propagation, target scattering, and mapping.Expand
  • 322
  • 5
  • Open Access
Ground penetrating radar for the detection of liquid contaminants
Abstract The significance of ground penetrating radar (GPR) as a tool to detect near-surface contaminants is illustrated at a site in the Midwest representing petroleum product above the water table.Expand
  • 129
  • 5
DETECTION OF BURIED AGRICULTURAL DRAINAGE PIPE WITH GEOPHYSICAL METHODS
One of the more frustrating problems confronting farmers and land improvement contractors in the Midwest United States involves locating buried agricultural drainage pipes. Enhancing the efficiencyExpand
  • 39
  • 5
Ground Penetrating Radar Fundamentals
Ground penetrating radar (commonly called GPR) is a high resolution electromagnetic technique that is designed primarily to investigate the shallow subsurface of the earth, building materials, andExpand
  • 72
  • 4
  • Open Access
Near-field dipole radiation dynamics through FDTD modeling
We use finite-difference time-domain (FDTD) numerical simulations to study horizontal dipole radiation mechanisms and patterns near half-space interfaces. Time snapshots illustrating propagation ofExpand
  • 61
  • 4
Ground penetrating radar polarization and scattering from cylinders
Abstract Ground penetrating radar (GPR) polarization is an important consideration when designing a GPR survey and is useful to constrain the size, shape, orientation, and electrical properties ofExpand
  • 102
  • 3
  • Open Access
Analysis of GPR Polarization Phenomena
Polarization is an important consideration in designing GPR data measurement strategy, implementing GPR data processing and performing GPR data interpretation for the following reasons: (1) mostExpand
  • 85
  • 3
How clean is clean enough? Recent developments in response to threats posed by chemical and biological warfare agents
Recent terrorist events underscore the urgent need to develop a comprehensive set of health-protective cleanup standards and effective decontamination technologies for use in the restoration ofExpand
  • 23
  • 2
Computer-assisted interpretation of electromagnetic soundings over a permafrost section
In two‐loop electromagnetic sounding, the electromagnetic coupling between two vertical‐axis loops of wire is measured as a function of frequency, for frequencies ranging from 20 Hz to 20 kHz. If theExpand
  • 36
  • 2
IMPORTANT CONSIDERATIONS FOR LOCATING BURIED AGRICULTURAL DRAINAGE PIPE USING GROUND PENETRATING RADAR
Enhancing the efficiency of soil water removal on land already containing a subsurface drainage system typically involves installing new drain lines between the old ones. However, the older drainageExpand
  • 25
  • 1