Geoffrey R. Tick

Associate Professor|Undergraduate Program Director

  • (205) 348-4293
  • 2016 Bevill


B.S. Geology, B.S. Environmental Studies, minor Chemistry, San Jose State University, 1996

Ph.D. Hydrology and Water Resources, University of Arizona, 2003
Emphasis: Contaminant Transport and Remediation
Minor: Soil, Water, and Environmental Science

Courses Taught

GEO 101: The Dynamic Earth
GEO 306: Hydrogeology
GEO 410/510: Soil and Groundwater Restoration
GEO 411/511: Contaminant Transport in Porous Media
GEO 525: Water Resource Management

Research Interests

  • Investigation of contaminant transport in soil and groundwater systems.
  • Understanding the processes that influence transport of contaminants in porous media.
  • Impact of immiscible liquid sources on chemical transport in soil and groundwater systems.
  • Innovative technologies for the remediation of organic contaminants in the subsurface.
  • Enhanced-solubilization agents to improve the remediation of organic pollutants in groundwater.
  • Petroleum mobilization and recovery processes.
  • Laboratory, field, and theoretical investigations of contaminant transport in porous media.
  • Methods to characterize subsurface heterogeneity and subsurface contamination

Research Group

Contaminant Transport

Research Group Members

Current Students        Former Students


Representative Publications

2017 Ghosh, J., Tick, G.R., and Zhang, Y. A Pore Scale Investigation of Heavy Crude Oil Trapping and Removal During Surfactant-Enhanced Remediation. Journal of Contaminant Hydrology, (In-Review).

2017 Ellis, J.H., Dimova, N.T., Tick, G.R., Zheng, C. Evaluation of Groundwater: A Coupled Numerical Model and 222Rn Method. Hydrogeology Journal, (In-Review).

2017 Mateas, D.J., Tick, G.R., and Carroll, K.C. In Situ Stabilization of NAPL Contaminant Source-Zones as a Remediation Technique to Reduce Mass Discharge and Flux to Groundwater. J. Contam. Hydrol., (accept w/revision).

2017 Padgett, M.C., Tick, G.R., Carroll, K.C., and Burke, W.R. Chemical Structure Influence on NAPL Mixture Nonideality Evolution, Rate-limited Dissolution, and Contaminant Mass Flux. J. Contam. Hydrol.,

2016 Murgulet, D. and Tick, G.R. Effect of Variable-Density Groundwater Flow on Nitrate Flux to Coastal Waters. Hydrol. Proc. J., 30(2): 302-319doi: 10.1002/hyp.10580.

2015 Tick, G.R., Harvell, J.R., and Murgulet, D. Intermediate-Scale Investigation of Enhanced-Solubilization Agents on the Dissolution and Removal of a Multicomponent Dense Nonaqueous Phase Liquid (DNAPL) Source. Water Air and Soil Pollution, 226(11), art. #371, doi: 10.1007/s11270-015-2636-7.

2015 Murgulet, D. and Tick, G.R. Effect of Variable-Density Groundwater Flow on Nitrate Flux to Coastal Waters. Hydrological Processes, doi: 10.1002/hyp.10580.

2015 Zhang, Y., Green, C.T., and Tick, G.R. Peclet Number as Affected by Molecular Diffusion Controls Transient Anomalous Transport in Alluvial Aquifer-Aquitard Complexes. Journal of Contaminant Hydrology, 177: 220-238, doi: 10.1016/j.jconhyd.2015.04.001.

2013 Ghosh, J. and Tick, G.R. A Pore Scale Investigation of Crude Oil Distribution and Removal from Homogeneous Porous Media during Surfactant-Induced Remediation. Journal of Contaminant Hydrology, 155:20-30, doi: 10.1016/j.jconhyd.2013.09.003.

2013 Murgulet, D. and Tick, G.R. Understanding the Sources and Fate of Nitrate in a Highly Developed Coastal Aquifer System. Journal of Contaminant Hydrology, 155:69-81, doi: 10.1016/j.jconhyd.2013.09.004.

2013 Murgulet, D. and Tick, G.R. Characterization of Flow Dynamics and Vulnerability in a Coastal Aquifer System. Ground Water, 51(6):893-903, doi: 10.1111/gwat.12020.

2012 Borden, A.K., Brusseau, M.L., Carroll, K.C., Akyol, N.H., Berkompas, J., Miao, Z., McMillan, A., Jordan, F., Tick, G.R., Waugh, W.J., and Glenn, E.P. Ethanol Addition for Enhancing Denitrification at the Uranium Mill Tailing Site in Monument Valley, AZ. Journal of Water, Air, and Soil Pollution, doi: 10.1007/s11270-011-0899-1.

2011 McCray, J.E., Tick, G.R., Jawitz, J.W., Brusseau, M.L., Gierke, J.S., Falta, R.W., Knox, R.C., Sabatini, D.A., Harwell, J.H., Annable, M.D. Remediation of NAPL Source-zones: Lesson Learned from Field Studies at Hill and Dover AFB. Ground Water, 49(5):727-744, doi: 10.1111/j.1745-6584.2010.00783.x.

2011 Bianchi, M., Zheng, C., Tick, G.R., and Gorelick, S.M. Investigation of Small-scale Preferential Flow Paths with a Dipole Forced-gradient Tracer Test. Ground Water, 49(4): 503-514, doi: 10.1111/j.1745-6584.2010.00746.x.

2011 Bianchi, M., Zheng, C., Wilson, C., Tick, G.R., Liu, G., and Gorelick, S.M. Spatial Connectivity in a Highly Heterogeneous Aquifer: From Cores to Preferential Flow Paths. Water Resources Research, 47(W05524), doi: 10.1029/2009WR008966.

2010 Liu, G., Zheng, C., Tick, G.R., Butler, J.J., and Gorelick, S.M. Relative Importance of Dispersion and Rate-limited Mass Transfer in Highly Heterogeneous Porous Media: Analysis of a New Tracer Test at the MADE Site. Water Resources Research, 46:W03524, 1-8, doi 10.1029/2009WR008430.

2009 Tick, G.R., and Rincon, E.A. Effect of Enhanced-Solubilization Agents on Dissolution Mass Flux from Uniformly Distributed Immiscible-Liquid Trichloroethene (TCE) in Homogeneous Porous Media. Water Air and Soil Pollution, 204:315-332, doi: 10.1007/s11270-009-0047-3.

2008 Murgulet, D. and Tick, G.R. Assessing the Extent and Sources of Nitrate Contamination in the Aquifer System of Southern Baldwin County, Alabama. Environmental Geology, 58: 1051-1065, doi 10.1007/s00254-008-1585-5.

2008 Murgulet, D. and Tick, G.R. Assessing the Extent of Saltwater Intrusion in the Aquifer System of Southern Baldwin County, Alabama, Proceedings Paper of the 20th Salt Water Intrusion Meeting (SWIM), June 23-27.

2008 Marble, J.C., DiFilippo, E.L., Zhang, Z., Tick, G.R., and Brusseau, M.L. Application of a Lumped-process Mathematical Model to Dissolution of Non-uniformly Distributed Immiscible Liquid in Heterogeneous Porous Media. Journal of Contaminant Hydrology: 100, 1-10.

2007 Bianchi, M., Zheng, C., Tick, G.R., Gorelick, S. Evaluation of Fickian and Non-Fickian Models for Solute Transport in Porous Media Containing Decimeter-scale Preferential Flow Paths; Calibration and Reliability in Groundwater Modelling: Credibility of Modelling; Proceedings of ModelCare 2007 Conference Paper, Copenhagen, Denmark, September, IAHS Publ. 320, 2008.

2007 Murgulet, D. and Tick, G.R. The Extent of Saltwater Intrusion in Southern Baldwin County, Alabama. Environmental Geology; doi 10.1007/s00254-007-1068-0.

2007 Tick, G.R., McColl, C.M., Yolcubal, I.M., Brusseau, M.L. Gas-phase Diffusive Tracer Test for the In-situ Measurement of Tortuosity in the Vadose Zone. Journal of Water, Air, and Soil Pollution: 184: 355-362, doi 10.1007/s11270-007-9403-3.

2006 Murgulet, D. and Tick G.R. Alabama Department of Conservation Natural Resources (ADCNR)Report UA 5-30402, PHASE I: The Extent of Saltwater Intrusion in Southern Baldwin County, Alabama, Technical Report.

2006 Environmental and Pollution Science, 2nd ed., Academic Press, €œChapter 17 Groundwater Pollution by Brusseau M.L and Tick G.R.

2005 Wood, A.L., Enfield, C.G., Field Evaluation of Enhanced DNAPL Source Removal, USEPA Technical Report and SERDP Report: CU-368. Contributing Author: Tick, G.R. et al.

2004 Tick, G.R. and Vlassopoulos, D. Review in Software Spotlight: AqQA: Quality Assurance and Presentation Graphics for Ground Water Analyses, Ground Water, 42(3) May-June, p. 326.

2003 Tick, G.R.; F., Lourenso; A.L., Wood; M.L., Brusseau. Pilot-scale Demonstration of Cyclodextrin as a Solubility-Enhancement Agent for the Remediation of a Tetrachloroethene-Contaminated Aquifer.Environmental Science and Technology, 37(24), 5829-5834.

2002 Brusseau, M.L., Z., Zhang, N.T., Nelson, R.B., Cain, G.R., Tick, and M., Oostrom. Dissolution of Non-Uniformly Distributed Immiscible Liquid: Intermediate-Scale Experiments and Mathematical Modeling. Environmental Science and Technology, 36(5), 1033-1041.