# positions[].label
Howard Karren Endowed Professor and Associate Department Head for Graduate Affairs

# keywords[]
3709 Physical Geography And Environmental Geoscience

# educationAndTraining[].organization.label
University of Toronto - (Toronto, Ontario, Canada)

# educationAndTraining[].organization.label
York University - (Toronto, Ontario, Canada)

# educationAndTraining[].organization.label
York University - (Toronto, Ontario, Canada)

# publications[].label
Transient marine electromagnetics: the 2.5D forward problem

# publications[].label
Geological noise in near-surface electromagnetic induction data

# publications[].label
Using homotopy to invert geophysical data

# publications[].label
Local time stacking of geomagnetic solar daily variations

# publications[].label
Unexploded ordnance discrimination using time-domain electromagnetic induction and self-organizing maps

# publications[].label
Geological noise and target signals in controlled source electromagnetic data

# publications[].label
Finite element analysis of shallow-water marine controlled-source electromagnetic signals for hydrocarbon exploration

# publications[].label
What do electromagnetic induction responses measure?

# publications[].label
Ecohydrogeophysics at the Edwards Aquifer: insights from polarimetric ground-penetrating radar

# publications[].label
Modeling the Effects of Anomalous Electromagnetic Diffusion on Induction Logs: The Next Step in Mapping Natural Fracture Corridors

# publications[].label
Three-dimensional resistivity tomography in extreme coastal terrain amidst dense cultural signals: application to cliff stability assessment at the historic D-Day site

# publications[].label
The paradox of anisotropy in electromagnetic loop-loop responses over a uniaxial half-space

# publications[].label
Fractal properties of background noise and target signal enhancement using CSEM data

# publications[].publisher
SPIE, the international society for optics and photonics

# publications[].label
3D multicomponent GPR to characterize shallow subsurface flow paths in an epikarst limestone Edwards Plateau, Texas

# publications[].label
Assessment of Micro-Fracture Density using Combined Interpretation of NMR Relaxometry and Electromagnetic Logs

# publications[].publisher
American Association of Petroleum Geologists AAPG/Datapages

# publications[].label
Differentiating tidal and groundwater dynamics from barrier island framework geology: Testing the utility of portable multifrequency electromagnetic induction profilers

# publications[].label
Theoretical controlledsource electromagnetic responses of fastspreading midocean ridge models

# publications[].label
Electrical conductivity in the Earth's mantle inferred from CHAMP satellite measurements - I. Data processing and 1-D inversion

# publications[].label
Electromagnetic induction in subsurface metal targets: Cluster analysis using local point-pattern spatial statistics

# publications[].label
3D polarimetric GPR coherency attributes and full-waveform inversion of transmission data for characterizing fractured rock

# publications[].label
Electric dipole fields over an anisotropic seafloor: theory and application to the structure of 40 Ma Pacific Ocean lithosphere

# publications[].label
Magnetotellurics and Mid-Ocean Ridge Melt Transport: A 2-D Perspective

# publications[].label
Mutual induction and the effect of host conductivity on the EM induction response of buried plate targets using 3-D finite-element analysis

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Finite element analysis of controlledsource electromagnetic induction for nearsurface geophysical prospecting

# publications[].label
Electrical resistivity imaging of unknown bridge foundations

# publications[].label
Electrical Resistivity and Induced Polarization Imaging for Unknown Bridge Foundations

# publications[].publisher
American Society of Civil Engineers (ASCE)

# publications[].label
Application of 2D electrical resistivity tomography to engineering projects: Three case studies

# publications[].label
Geomagnetic induction in a heterogenous sphere: Azimuthally symmetric test computations and the response of an undulating 660-km discontinuity

# publications[].label
Geomagnetic induction in a heterogeneous sphere: fully three-dimensional test computations and the response of a realistic distribution of oceans and continents

# publications[].label
An inversion strategy for hydraulic tomography: Coupling travel time and amplitude inversion

# publications[].label
Fractional diffusion analysis of the electromagnetic field in fractured media - Part 2: 3D approach

# publications[].label
Cliff Stability Assessment Using Electrical Resistivity Tomography at the Historic WWII D-Day Invasion Site, Pointe du Hoc, France

# publications[].publisher
American Society of Civil Engineers (ASCE)

# publications[].label
Existence of an Optimal Conductivity and Frchet Differentiability In 2D Electromagnetic Inversion

# publications[].label
Theoretical Developments in Electromagnetic Induction Geophysics with Selected Applications in the Near Surface

# publications[].label
Modeling of seafloor exploration using electric-source frequency-domain CSEM and the analysis of water depth effect

# publications[].label
Monitoring and imaging the dynamics and extent of hydraulic fracturing fluid movement using ground-based electromagnetics, with application to the Eagle Ford shale

# publications[].label
Ground-penetrating Radar Imaging of Twelfth Century Romanesque Foundations Beneath the Thirteenth Century Gothic Abbey Church of Valmagne, France

# publications[].label
3D controlled-source electromagnetic edge-based finite element modeling of conductive and permeable heterogeneities

# publications[].label
Spatiotemporal sampling of Sq+-induced geomagnetic responses at LEO satellite altitude for a radially conductive Earth

# publications[].label
An experimental study of the time-domain electromagnetic response of a buried conductive plate

# publications[].label
Effect of background fields on three-dimensional finite element analysis of induction logging

# publications[].label
UXO detection improvements using EM63 synthetic multireceiver array geometries

# publications[].label
Electromagnetic expression of axial magma chambers

# publications[].label
Modeling of demining scenarios using metal detectors

# publications[].label
A three-dimensional spherical mesh generator

# publications[].label
Roughness of a layered geological medium and implications for interpretation of the transient electromagnetic response of a loop source

# publications[].label
Effects of near-surface conductance on global satellite induction responses

# publications[].label
Electromagnetic induction by Sq ionospheric currents in a heterogeneous earth: Modeling using ground-based and satellite measurements

# publications[].label
Spatiotemporal response of a conducting sphere under simulated geomagnetic storm conditions

# publications[].label
Finite element modeling of slug tests in an aquifer with stratigraphical and structural heterogeneities

# publications[].label
Homotopy, Polynomial Equations, Gross Boundary Data, and Small Helmholtz Systems

# publications[].label
The Role of Water Content in Electrical Resistivity Tomography of a Vertisol

# publications[].label
Discrimination of hydrothermal mound structures using transient electromagnetic methods

# publications[].label
The transient Dst electromagnetic induction signal at satellite altitudes for a realistic 3-D electrical conductivity in the crust and mantle

# publications[].label
Two-Dimensional Nonlinear Magnetotelluric Inversion Using a Genetic Algorithm

# publications[].publisher
Society of Geomagnetism and Earth, Planetary and Space Sciences

# publications[].label
Review of electromagnetic induction for mapping barrier island framework geology

# publications[].label
Target signal enhancement in near-surface control led-source electromagnetic data

# publications[].label
Transient electromagnetic response of a loop source over a rough geological medium

# publications[].label
3-D finite element analysis of induction logging in a dipping formation

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Nearsurface electromagnetic responses: geological noise or fractal signals?

# publications[].label
Determination of Unknown Foundation of Bridges for Scour Evaluation Using Artificial Neural Networks

# publications[].publisher
American Society of Civil Engineers (ASCE)

# publications[].label
Detection of near-surface horizontal anisotropy in a weathered metamorphic schist at Llano Uplift (Texas) by transient electromagnetic induction

# publications[].label
Time-domain, spectral finite-element approach to transient 2-D geomagnetic induction in a spherical heterogeneous Earth

# publications[].label
COMPARISON OF EARLY AND LATE TRAVEL TIMES OF PRESSURE PULSES INDUCED BY MULTILEVEL SLUG TESTS

# publications[].label
Anomalous diffusion of electromagnetic eddy currents in geological formations

# publications[].label
Geophysical investigation of the June 6, 1944 D-Day invasion site at Pointe du Hoc, Normandy, France

# publications[].label
Non-linear inversion of controlled source multi-receiver electromagnetic induction data for unexploded ordnance using a continuation method

# publications[].label
Multi-component ground penetrating radar for improved imaging and target discrimination

# publications[].label
Fractional diffusion analysis of the electromagnetic field in fractured media Part I: 2D approach

# publications[].label
Geomagnetic induction in eccentrically nested spheres

# streetAddress
Texas A&M University; Geology; 3115 TAMU

# etdChairOf[].label
Udphuay, Suwimon (2010-01). 3-D Electrical Resistivity Tomography for Cliff Stability Assessment at Pointe du Hoc in Normandy, France. Doctoral Dissertation.

# etdChairOf[].label
Pereira, Antonio Do Nascimento (2013-04). Geophysical Fault Mapping Using the Magnetic Method at Hickory Sandstone Aquifer, Llano Uplift, Texas. Master's Thesis.

# etdChairOf[].label
Jorgensen, William Revis (2007-05). A validation of ground penetrating radar for reconstructing the internal structure of a rock glacier: Mount Mestas, Colorado, USA. Master's Thesis.

# etdChairOf[].label
Sassen, Douglas Spencer (2011-02). GPR Method for the Detection and Characterization of Fractures and Karst Features: Polarimetry, Attribute Extraction, Inverse Modeling and Data Mining Techniques. Doctoral Dissertation.

# etdChairOf[].label
Bray, Steven Hunter (2013-05). Forward Modeling of the Induction Log Response of a Fractured Geologic Formation. Master's Thesis.

# etdChairOf[].label
Fernandes, Roland Anthony Savio (2008-05). The effects of cultural noise on controlled source electromagnetic resonses of subsurface fractures in resistive terrain. Master's Thesis.

# etdChairOf[].label
Pierce, Carl J. (2010-10). Electromagnetic Induction for Improved Target Location and Segregation Using Spatial Point Pattern Analysis with Applications to Historic Battlegrounds and UXO Remediation. Doctoral Dissertation.

# etdChairOf[].label
Decker, Kathryn T. (2010-07). A Fractal Interpretation of Controlled-Source Helicopter Electromagnetic Survey Data Seco Creek, Edwards Aquifer, TX. Master's Thesis.

# etdChairOf[].label
Cohrs, Frelynn Joseph Reese (2012-07). Seismoelectric Imaging of a Shallow Fault System Employing Fault Guided Waves. Master's Thesis.

# etdChairOf[].label
Collins, Jamie Lynne (2004-08). Detection of near-surface anisotropy in a weathered metamorphic schist using time-domain electromagnetics. Master's Thesis.

# etdChairOf[].label
Stalnaker, Jack Lee (2004-08). A finite element approach to the 3D CSEM modeling problem and applications to the study of the effect of target interaction andtopography. Doctoral Dissertation.

# etdChairOf[].label
Cunningham, Kyle Jordan (2018-05). Characterizing Coastal Settings Using Temporal & Spatial Variations in Electromagnetic Induction Signals. Master's Thesis.

# etdChairOf[].label
Stanford, Charles Edward (2017-07). Structural Investigation of the Odessa Meteorite Crater Using High Resolution Geophysics in a Complex Environment. Master's Thesis.

# etdChairOf[].label
Mukherjee, Souvik (2010-10). Three Dimensional Controlled-source Electromagnetic Edge-based Finite Element Modeling of Conductive and Permeable Heterogeneities. Doctoral Dissertation.

# etdChairOf[].label
Radwan, Mohamed Mahmoud Ahmed (2016-12). A Case Study of Blast Vibration Modelling in the Hanason Servtex Quarry, Garden Ridge City, Texas. Master's Thesis.

# etdChairOf[].label
King, Joshua David (2004-12). Using a 3D finite element forward modeling code to analyze resistive structures with controlled-source electromagnetics in a marine environment. Master's Thesis.

# etdChairOf[].label
Save, Neelambari R (2004-12). Ground penetrating radar technique to locate coal mining related features: case studies in Texas. Master's Thesis.

# etdChairOf[].label
Youn, Sangseok (2014-08). Marine Controlled-Source Electromagnetic Responses of a Thin Hydrocarbon Reservoir beneath Anisotropic Overburden. Master's Thesis.

# etdChairOf[].label
Benavides Iglesias, Alfonso (2003-05). Experimental time-domain controlled source electromagnetic induction for highly conductive targets detection and discrimination. Doctoral Dissertation.

# etdChairOf[].label
Bowling, Roy Douglas (2017-06). Applications of Ground Penetrating Radar to Structural Analysis of Carbonate Terraces on the Island of Bonaire, Caribbean Netherlands. Master's Thesis.

# etdChairOf[].label
Arjwech, Rungroj (2012-02). Electrical Resistivity Imaging for Unknown Bridge Foundation Depth Determination. Doctoral Dissertation.

# etdChairOf[].label
Knicely, Joshua (2015-04). Magnetic Anomalies on Io and Their Relationship to the Spatial Distribution of Volcanic Centers. Master's Thesis.

# etdChairOf[].label
Dickins, David (2007-08). Controlled-source electromagnetic modeling of the masking effect of marine gas hydrate on a deeper hydrocarbon reservoir. Master's Thesis.

# etdChairOf[].label
Ge, Jianchao (2014-08). Fractional Diffusion Modeling of Electromagnetic Induction in Fractured Rocks. Doctoral Dissertation.

# etdChairOf[].label
Francese, Renee Rose (2012-07). Spectral Analysis of Thinning Beds Using Ground Penetrating Radar. Master's Thesis.

# etdChairOf[].label
Erck, Eric Stephenson (2004-08). Subsurface conductive isolation of refraction correlative magnetic signals (SCIRCMS). Doctoral Dissertation.

# etdChairOf[].label
Long, Zachary Ryan (2005-08). A near-surface geophysical investigation of the effects of measured and repeated removal of overlying soil on instrument response. Master's Thesis.

# etdChairOf[].label
Price, Samuel Martin (2018-11). Estimation of Effective Elastic Thickness in Regions of Reduced Topography: A Case Study in the Permian Basin. Master's Thesis.

# etdChairOf[].label
Suardana, Made (2018-11). Integrated Geological and Geophysical Studies of Low Permeability Carbonate Rock as an Unconventional Reservoir: Baturaja Formation, Palembang Basin, Indonesia. Doctoral Dissertation.

# etdChairOf[].label
Gowan, Joshua Smith (2012-07). 2-Dimensional Seismic Refraction Mapping Study of the Cretaceous-Paleogene Boundary Complex from the Brazos, Texas Section. Master's Thesis.

# etdChairOf[].label
Murphy, Blaine Cullen (2014-08). Fault Characterization using Induced Electric Currents Presumed to Undergo Anomalous Diffusion in Mason, Texas. Master's Thesis.

# etdChairOf[].label
Tebo, Daniel Theodore (2016-08). Geophysical Surveys of Debris Flow Susceptible Areas; Implications for Risk Perception. Master's Thesis.

# etdChairOf[].label
Amara, Akhil (2016-07). Using Multi-Azimuth and Multi-Polarization Ground Penetrating Radar to Characterize a Fractured Fault Zone in Mason County, Texas. Master's Thesis.

# etdChairOf[].label
Lau, Ryan (2003-05). A 3D finite-element modelling investigation into optimal survey parameters and direct imaging for marine controlled-source electromagnetic surveys. Master's Thesis.