Geoffrey D. Thyne

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Contact Information
Education
- 1986 - 1991: University of Wyoming: Ph.D., Geology
- 1975 - 1980: Texas A & M University: M. S., Oceanography
- 1970 -1975: University of South Florida: B. A., Chemistry and Zoology
Research Interests
Publications
Society Memberships
Grants & Awards
Personal Interests
Research Interests
The study of water-rock interactions in a variety of geologic settings focused on aqueous geochemistry and solute transport. Present interests include:
- the evolution of groundwater chemistry in arid and semi-arid regions
- mass transfer in clastic diagenesis (CSM/IU consortium)
- landfills - geochemistry and impact on water quality
- petroleum geology and geochemistry of tight gas sands (Lewis Shale Study)
- spatial-statistical analysis of hydrochemical data (see online paper)
Research Opportunities for Students (pending funding)
Selected Publications
Articles and Technical Reports
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Thyne, G ., A. Bodour, W. Gordon, J. McCray, and K. Murray, in prep, A single scale framework for interdisciplinary watershed models, for Water Resources Research, CUAHSI Vision paper.
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Skold, M., Thyne, G ., McCray, J. and J. Drexler, in prep, Preliminary evaluation of the metal-complexing capability of cyclodrextrin solutions. For submission to ES&T.
- Dodds, M . and Thyne , G. D. , in prep, Inclusion of BTEX and Chlorinated Ethenes into PHREEQC: Decoupled Carbon, For submission to Computer Notes in Groundwater.
- Greaser, K.K., and Thyne , G. D. , in prep, Prediction of natural ferrihydrite composition using PHREEQC: Limitations in applying single-ion sorption constants to natural solutions, For submission to ES&T.
- Greaser, K.K., Thyne, G.D. and McCray, J.E., in prep, Compositional variations of natural ferrihydrite formed in a mineralized area, Red Dog, Alaska , For submission to ES&T.
- Link, L., Jakosky, B. and G. Thyne , in prep, Biological Potential of Low Temperature Aqueous Environments on Mars
- Statom, R.A., McCray, J.E and G.D. Thyne in review , Variably Saturated Dual-Domain Model Simulation Of MSW Landfill Temporal Chloride Data , for Environmental and Engineering Geosciences Special Issue on Tracers.
- Güler, C. and G. D. Thyne , in review, Use of major solutes as tracers of groundwater flow: An example for across topographic boundaries in Indian Wells Valley , California , for Environmental and Engineering Geosciences Special Issue on Tracers.
- Thyne, G ., 2005, Geochemical Modeling - Computer Codes, GW-246. In The Encyclopedia of Water , Jay Lehr, Editor, John Wiley and Sons.
- McCray, J.E., Kirkland , S.L., Siegrist, R.L., and Thyne, G.D ., 2005, Hydrologic modeling of nutrients from onsite wastewater systems: Review of input parameters, in press, Ground Water.
- Divine, C.E. and Thyne , G. , 2005, Detecting modern groundwaters with Kr, GW-161. In The Encyclopedia of Water , Jay Lehr, Editor, John Wiley and Sons.
- Güler C. and Thyne , G. D., 2004, Delineation of hydrochemical facies distribution in watersheds with Fuzzy c -Means clustering. Water Resources Research 40, W12503, doi:10.1029/2004WR003299.
- Thyne, G.D. , Guler, C. and Poeter, E., 2004, Sequential analysis of hydrochemical data for watershed characterization, Ground Water 42 (5), 711-723.
- Statom, R.A., Thyne, G.D. and McCray, J. E., 2004, Temporal Changes in Leachate Chemistry of a Municipal Solid Waste Landfill in Florida , Environmental Geology 45 (7), 982-991 .
- Thyne , G. D. , Pasternack, I. and Anderson, D.S., 2004, Contributions to Wyoming Geological Association Guidebook, Preliminary Assessment of Reservoir Quality Controls in Lewis Shale Sandstones, south-central Wyoming.
- Güler C. and Thyne, G. D ., 2004, Hydrologic and geologic factors controlling surface and ground water chemistry in Indian Wells-Owens Valley area and surrounding ranges, California, U.S.A. J. Hydrology 285, 177-198.
- Güler C. and Thyne , G.D. , 2003, Reply to comment by T.Dreher to Güler C, Thyne GD, McCray JE, Turner AK (2002): Evaluation of graphical and multivariate statistical methods for classification of water chemistry data. Hydrogeology Journal 11, 607-608.
- Eileen Poeter, P, Thyne, G. and G. VanderBeek, 2003, Ground Water in Turkey Creek Basin of the Rocky Mountain Front Range in Colorado, in Engineering Geology in Colorado - Contributions, Trends, and Case Histories, Association of Engineering Geologists, Denver, CO.
- Smith, H.L., McCray, J.E., Thyne, G.D., Lowe, K.S., and R. L Siegrist, 2003, Characterization of the groundwater system in the Blue River Watershed, Colorado with application to the evaluating impact of onsite wastewater pollutants, in Engineering Geology in Colorado - Contributions, Trends, and Case Histories, Association of Engineering Geologists, Denver, CO.
- P. J. Dugan, J. E. McCray, Thyne, G. D., 2003, in press, The Influence of Cyclodextrin on NAPL-Water Partition Coefficients and Partitioning Tracer Test Results. Water Resources Research.
- Thyne, G. D., Pasternack, I. and Anderson, D. S., 2003, Contributions to Wyoming Geological Association Guidebook, Preliminary Assessment of Reservoir Quality Controls in Lewis Shale Sandstones, south-central Wyoming.
- C. Güler and G. D. Thyne, 2003, accepted-in revision, Hydrologic and geologic factors controlling surface and ground water chemistry in Indian Wells-Owens Valley area and surrounding ranges, California, U.S.A. J Hydrology,
- C. Güler, Thyne, G. D., McCray, J. E. and Turner, A. K., 2002, Evaluation of the graphical and multivariate statistical methods used for classification of water-chemistry data. Hydrogeology Journal, v.10, p. 455-474.
- McCray, J. E., Thyne, G. D. and. Statom, R. A, 2001, Natural Attenuation of CAH Compounds in Landfills: Influence of Hydrology, Geochemistry, and Groundwater Recirculation. Technical Report prepared for Parsons Engineering Science, Denver, CO.
- Thyne, G. D., 2001, A model for diagenetic mass transfer between adjacent sandstone and shale. Marine and Petroleum Geology, 18, p. 743-755.
- Thyne, G. D., Boudreau, B., Ramm, M. and Midtbø, R. E., 2001, A reaction-transport model of K-spar dissolution and illitization in the Statfjord Formation, North Sea. AAPG Bulletin, v. 85, p. 621-636.
- Thyne, G. D., 2000, Evaluation of Reservoir Quality and Diagenesis in the Oseberg Formation, Oseberg Field. Technical Report prepared for Norsk Hydro A. S., 62p.
- Thyne, G. D., 2000, Evaluation of the proposed kerogen cementation model to predict the changes in reservoir quality during burial due to diagenesis. Technical Report for Norsk Hydro A. S., 52p.
- Thyne, G. D., Gillespie, J. M. and Ostdick, J. R., 1999, Evidence for interbasin flow through crystalline rocks, southeastern Sierra Nevada. GSA Bulletin, 111 (11), p. 1600-1616.
Abstracts and presentations
- McCray, J.E., Dugan, P.J., Thyne, G.D., 2003, The influence of residual concentrations of a solubility enhancement agent on post-remediation NAPL characterization using partitioning tracer tests. Proceedings of NGWA Southwest Focus Conference, Innovative Remediation Technologies, Feb 20-21, Phoenix, AZ.
- Day, S., Thyne, G., Poeter, E., McCray, J.E., 2002, Effects of population growth on water quality in a mountain watershed. Geol Soc. Amer. Abstracts with Programs 34(6).
- Guler, C. and Thyne, G., 2002, Hydrochemical evolution model and characterization of flow in a fractured crystalline rock aquifer, Turkey Creek, Colorado. Geol. Soc. Am. Abstracts with Programs, 34(6).
- Dano, K., Poeter, E. and Thyne G., 2002, Geochemical and geophysical determination of the fate of septic tank effluent in a mountain watershed. Colorado. Geol. Soc. Am. Abstracts with Programs, 34(6).
- Dugan, P. J., McCray J. E., Thyne, G.D., 2002. Effect of cyclodextrin concentrations on NAPL-water partition coefficients, Geol Soc. Amer. Abstracts with Programs 34(6).
- Dodds, M. E., Thyne, G., and McCray, J. M., 2002, Evaluating the natural attenuation potential of a contaminant plume comprised of chlorinated ethenes and BTEX at a closed, unlined, municipal landfill in Sheridan, Wyoming. Geol. Soc. Am. Abstracts with Programs, 34(6).
- McCarthy, J., McCray, J. E., Thyne G., 2002, Vadose zone transport of pesticides in the High Plains: Evaluating groundwater quality risks using numerical simulations. Geol. Soc. Am. Abstracts with Programs, 34(6).
- Statom, R. A., McCray, J. E and G.D. Thyne, 2002, The use of a variably saturated dual-domain model to simulate the temporal chloride data from a MSW landfill in Florida. Geol. Soc. Am. Abstracts with Programs, 34(6).
- Thyne, G. D., I. Pasternack, E. Escalante, and S. D'Agostino, 2002, Controls on reservoir quality in Dad Sandstone, Lewis Shale, Wyoming. AAPG Rocky Mountain Section Meeting, Laramie, Wyoming, Program with abstracts, p.41.
- Navarre, A. and Thyne, G., 2002, Initial modeling of the effect of CO2 on chemical weathering of silicate minerals, a field approach. GSA Abstracts with Programs, v. 33(4), A-17.
- Thyne, G., Guler, C. and Williams, D. V., 2002, Deciphering groundwater flowpaths in Indian Wells valley, southeastern California: Evidence for an interbasin flow component. GSA Abstracts with Programs, v. 33(4), p. A-58.
- Thyne, G., Park, A. and P. Ortoleva, 2002, Composition Driven Diagenesis: Stratigraphic, Burial History and Sedimentologic Control on Mass-transfer. AAPG National Meeting, Houston, Texas, Program with abstracts, v. 11, p. A175.
- Greaser, K., McCray, J., and Thyne, G., 2002, The Role of Instream Processes in Buffering the Surface Water Quality Draining Zn-Pb-Fe Sulfide Deposits in the Brooks Range, Northwest Alaska. GSA Abstracts with Programs, v. 34, n. 4, p. P-38.
- VanderBeek G, Poeter E, Thyne G, McCray J.E., 2002, Ground-water Availability in Turkey Creek Basin, CO. GSA Abstracts with Programs, 33(4), p. A-17.
Complete List of Publications
Spatial-statistical analysis of hydrochemical data
Hydrogeology preprint
AAPG Illite Model paper
Vita
Sandshale preprint
Society Memberships
- American Association of Petroleum Geologists
- Geological Society of America
- Rocky Mountain Association of Geologists
Grants & Awards
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CUAHSI, Vision Paper Grant for evaluation of scaling issues associated with watershed modeling, sponsored by National Science Foundation, 2004
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Delta County, CO, Development of a Hydrological Model for the Grand Mesa Area, 2003
- National Decentralized Water Resources Capacity Development Program, Hydrogeological Evaluations for Larger Cluster and High Density Wastewater Soil Absorption Systems (w/ Poeter, McCray and Siegist), 2003
- National Institute of Water Resources, Use of Low-Cost Data to simulate fractured aquifer watersheds for management for water quality and quantity (w/Poeter and McCray), 2002-2004
- Petroleum Consortium, Lewis Shale Research Project (w/ Anderson and Hurley), 1998-2004
- Norsk-Hydro a. s., Prediction of reservoir diagenesis, 1998-2000
- Norsk-Hydro a. s., Reactive-transport modeling of illite precipitation, 1997-98
- National Science Foundation (w/ Gillespie), 1995-1997
- US Navy Geothermal Program Office (w/ Gillespie), 1994-1996
Personal Interests
I enjoy the challenges of hiking and camping in the Rocky Mountains with my lovely wife, Teresa, when time permits. I confess to being a nerd and continuing the study of my chosen areas of science (I can even be found reading new textbooks at times). More sedate activities include playing music, gardening and sampling the wealth of microbrews available in Colorado.
