Gaisheng Liu

Address Information:

Kansas Geological Survey

1930 Constant Avenue

Lawrence, KS 66047-3726

Phone: (785) 864-2115

Fax: (785) 864-5317

E-mail: gliu@kgs.ku.edu

Education:

• Ph.D. in Geology, The University of Alabama, Tuscaloosa, 2004
• M.S. in Geology, The University of Alabama, Tuscaloosa, 2003
• B.S. in Hydrogeology and Engineering Geology, Chengdu University of Technology, China, 1997

Professional Experience:

• 2006-current, Assistant Scientist, Kansas Geological Survey, The University of Kansas, Lawrence
• 2005-2006, Postdoctoral Research Fellow/Adjunct Lecturer, The University of Oklahoma, Norman
• 2004-2005, Research Associate, The University of Alabama, Tuscaloosa
• 1999-2004, Research/Teaching Assistant, The University of Alabama, Tuscaloosa
• 1997-1999, Research Associate, National Research Lab of Engineering Geology, Chengdu, China

Current Research Interests:

• New methods for high-resolution field characterization of hydraulic conductivity
• Hydrological applications of fiber optic distributed temperature sensing (DTS), including stream-aquifer interactions, contaminant site characterization, and aquitard characterization.
• Understanding and qualifying contamination threats associated with abandoned and poorly plugged wells
• Innovative approaches for groundwater flow and transport modeling in heterogeneous media
• New techniques for stochastic uncertainty analysis and inverse model parameter estimation
• Modeling investigation of groundwater resources availability and sustainability in Southwest Kansas

Professional Activities:

• 2001-current, The Geological Society of America, Member
• 2001-current, American Geophysical Union, Member
• Invited Speaker for the Ninth International In Situ and On-Site Bioremediation Symposium in Baltimore, Maryland, May 7, 2007.
• Invited Reviewer for Various Journals Including Journal of Contaminant Hydrology, Journal of Contaminant Hydrology, Advances in Water Resources, Groundwater, Water Resources Research, Computers & Geosciences.

Selected Papers Presented at Conferences:

G. Liu, G. Bohling, J.J. Butler, and P. Dietrich (2007), Theoretical Investigation of the Direct-Push Permeameter for Characterizing Vertical Variations in Hydraulic Conductivity. Abstract O-02, in: A.R. Gavaskar and C.F. Silver, In Situ and On-Site Bioremediation--2007, Proceedings of the Ninth International In Situ and On-Site Bioremediation Symposium. ISBN 978-1-57477-161-9, Battelle Press, Columbus, OH.

Bohling, G.C., J.J. Butler, Jr., and G. Liu (2007), High Resolution Aquifer Characterization with Hydraulic Tomography and the Direct-Push Permeameter, Annual Meeting of the Association of Environmental and Engineering Geologists, Los Angeles, CA, 24-29 September, 2007, 2007 Annual Meeting Abstracts, AEG, Denver, CO, p. 28

G. Liu, Yan Chen and Dongxiao Zhang, Investigation of transport processes at the MADE site using the ensemble Kalman filter: Geological Society of America Abstracts with Programs, Vol. 38, No. 7, p. 429.

C. S. Wilson, G. R. Tick, G. Liu, and C. Zheng, 2006, Field Characterization of Small-scale Preferential Flow Paths in a Highly Heterogeneous Aquifer, Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract H43A-0481.

G. Liu, Zhiming Lu and Dongxiao Zhang, 2006, MODFLOW-STO: Stochastic Modeling of Flow in Saturated Porous Media Using MODFLOW-2000. In: MODFLOW 2006 and other modeling odysseys, Golden, Colorado, USA, 363 - 367.

Dongxiao Zhang, Zhiming Lu and Gaisheng Liu, An Efficient Stochastic Decomposition Approach for Large-Scale Subsurface Flow Problems; in, Proceedings of the XVI International Conference on Computational Methods in Water Resources, edited by Philip J. Binning Peter K. Engesgaard, Helge K. Dahle, George F. Pinder and William G. Gray. Copenhagen, Denmark, June 2006.

Hector Klie, Mary F. Wheeler, Gaisheng Liu and Dongxiao Zhang, Stochastic Subspace Projection Methods for Efficient Multiphase Flow Uncertainty Assessment; in, 10th European Conference on the Mathematics of Oil Recovery, Amsterdam, Netherlands, September 2006.

G. Liu, D. Zhang, and Z. Lu, 2005, MODFLOW-STO: Stochastic Modeling of Flow in Saturated Porous Media Using MODFLOW-2000: EOS Trans. AGU, 86(52), Fall Meet. Suppl., Abstract H23F-1495.

C. Zheng, G. Liu, and S.M. Gorelick, 2005, Understanding solute transport in extremely heterogeneous media: What has been learned from 20 years of research at the MADE site?: Geological Society of America Abstracts with Programs, Vol. 37, No. 7, p. 101.

G. Liu, G. Tick, C. Zheng, J., 2004, Chandler and E. Rincon, Tracer tests at the MADE site: characterizing small-scale preferential flow channels and their effects on solute transport: Geological Society of America Abstracts with Programs, Vol. 36, No. 5, p. 395.

G. Liu, C. Zheng, and S.M. Gorelick, 2003, Accounting for Decimeter-Scale Preferential Flow Paths in Solute transport Modeling: Challenges and Strategy: Geological Society of America Abstracts with Programs, Vol. 35, No. 6, p. 411.

G. Liu, C. Zheng, and S.M. Gorelick, 2002, Relative Importance of Dispersive and Diffusional Processes in Aquifers Containing a Connected High-Conductivity Network: Assessment of the Relative Conductivity Peclet Number Criterion: EOS Trans. AGU, 83(47), Fall Meet. Suppl., Abstract H71A-0789.

G. Liu, P. Wang, and C. Zheng, 2001, An Explicit and Mass-Conservative Scheme without Time-Step Limit for Modeling Advection-Dominated Contaminant Transport. In: MODFLOW 2001 and other modeling odysseys, Golden, Colorado, USA, 548-554.

S. M. Spiessl, M. Sauter, C. Zheng, and G. Liu, 2002 Comparison of Two Numerical Methods for Advection in a Pipe Network Coupled to a Continuum Transport Model, Calibration and Reliability in Groundwater Modelling: A Few Steps Closer to Reality: IAHS Publ. no. 277, 2002. p. 60-68.

Peer-reviewed Publications:

Liu, G., Butler, J.J., Jr., Bohling, G.C., Reboulet, E., Knobbe, S. and Hyndman, D.W., A new method for high-resolution characterization of hydraulic conductivity, Water Resour. Res., v. 45, W08202, DOI:10.1029/2009WR008319, 2009. [Abstract online]

G. Liu, Y. Chen, and D. Zhang, 2008, Investigation of flow and transport processes at the MADE site using ensemble Kalman filter: Advances in Water Resources, vol. 31, issue 7, p. 975-986, doi:10.1016/j.advwatres.2008.03.006.

G. Liu, G.C. Bohling, and J.J. Butler, Jr., 2008, Simulation Assessment of the Direct-Push Permeameter for Characterizing Vertical Variations in Hydraulic Conductivity: Water Resour. Res., vol. 44, W02432, doi:10.1029/2007WR006078.

G. Liu, C. Zheng, and S. M. Gorelick, 2007, Evaluation of the applicability of the dual-domain mass transfer model in porous media containing connected high-conductivity channels: Water Resour. Res., vol. 43, W12407, doi:10.1029/2007WR005965.

G. Liu, Z. Lu, and D. Zhang, 2007, Stochastic Uncertainty Analysis for Solute Transport in Randomly Heterogeneous Media Using a Karhunen-Loéve Based Moment Equation Approach: Water Resour. Res., vol. 43, W07427, doi:10.1029/2006WR005193.

G. Liu, D. Zhang, and Z. Lu, 2006, Stochastic uncertainty analysis for unconfined flow systems: Water Resour. Res., vol. 42, W09412, doi:10.1029/2005WR004766.

S.M. Gorelick, G. Liu and C. Zheng, 2005, Quantifying Mass Transfer in Permeable Media Containing Conductive Dendritic Networks: Geophysical Research Letters, vol. 32, L18402, doi:10.1029/2005GL023512.

G. Liu, C. Zheng and S.M. Gorelick, 2004, Limits of Applicability of the Advection-Dispersion Model in Aquifers Containing Connected High-Conductivity Channels: Water Resour. Res., vol. 40, W08308, doi:10.1029/2003WR002735.

Kansas Geological Survey, Geohydrology Section
Updated Aug. 31, 2009
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