Technical Papers Published
For information on the papers listed, write Communications.
Basagaoglu H., P. Meakin, S. Succi, G.R. Redden, T.R. Ginn. 2008. Two-dimensional Lattice Boltzmann Simulation of Colloid Migration in Rough-Walled Narrow Flow Channels. Physical Review E, 77(3):031405.
Ferrill, D.A., A.P. Morris, D.W. Sims, R. Green, N. Franklin, and D.J. Waiting. 2008. Geologic Controls on Interaction between the Edwards and Trinity Aquifers, Balcones Fault System, Texas. South Texas Geological Society Bulletin, April, pp. 21–45.
Painter, S., V. Cvetkovic, J. Mancillas and O. Pensado. 2008. Time Domain Particle Tracking Methods for Simulating Transport with Retention and First-order Transformation. Water Resources Research, 44: doi:10.1029/2007WR005944.
Sun, A.Y. CONSID: A toolbox for contaminant source identification. Ground Water, 46(4):638–641, 2008.
Sun, A., R. Ritzi and D. Sims. 2008. Characterization and Modeling of Spatial Variability in a Complex Alluvial Aquifer: Implications on Solute Transport. Water Resources Research, 44, W04402, doi:10.1029/2007WR006119.
Basagaoglu, H., P. Meakin, S. Succi, and R. Rotondi. 2007. Density Fluctuations in Lattice-Boltzmann Simulations of Multiphase Fluids in a Closed System. Physica A—Statistical Mechanics and Its Applications, 374(2), 691–698.
Dietrich J.P., Loge F.J., Ginn T.R., and Basagaoglu H. 2007. Inactivation of Particle-Associated Microorganisms in Waste Water Disinfection: Modeling of Ozone and Chlorine Reactive Diffusive Transport in Polydispersed Suspensions. Water Research, 41(10):2189–2201.
Painter, S.L., A.D. Woodbury, and Y. Jiang. 2007. Transmissivity Estimation for Highly Heterogeneous Aquifers: Comparison of Three Methods Applied to the Edwards Aquifer, Texas, USA. Hydrogeology Journal, 15(2):315–331.
Sun, A. 2007. A Robust Maximum Likelihood Approach to Contaminant Source Identification, Water Resour. Res., 43(2), W02418, doi:10.1029/2006WR005106.
Basagaoglu, H, Meakin P, Succi S., and Welhan J. 2006. Boundary Effects on the Onset of Nonlinear Flow in Porous Domains. Europhysics Letters, 73(6):858–863.
Basagaoglu H, Meakin P., Green C.T., and Mathew M. 2006. Multiphase Flow in Geometrically Simple Fracture Intersections. Physica A—Statistical Mechanics and Its Applications, 362(1):17–22.
Dinwiddie, C.L., K.K. Bradbury, R.N. McGinnis, R.W. Fedors, and D.A. Ferrill. Fault zone deformation overprints permeability of nonwelded ignimbrite: Chalk Cove Fault, Bishop Tuff, Bishop, California. Vadose Zone Journal. 5, 610–627. 2006.
Green, R, S. Painter, and A. Sun, and S. Worthington. 2006. Groundwater Contamination in Karst Terrains. Water, Air, Soil Pollut, 6(1–2):157–170.
Ross, M.S, S. Mitchell-Bruker, J.P. Sah, S. Stothoff, P.L. Ruiz, D.L. Reed, K. Jayachandran, and C.L. Coultas. 2006. Interaction of hydrology and nutrient limitation in the Ridge and Slough landscape of the southern Everglades. Hydrobiologia, 569(1):37–59, doi:10.1007/s10750–006–0121–4.
Sun, A.Y., S.L. Painter, and G.W. Wittmeyer. 2006. A Robust Approach for Contaminant Source Location and Release History Recovery, J. Contam. Hydrol. 88(3–4):29–44.
Sun, A.Y., S.L. Painter, and G.W. Wittmeyer. 2006. A Constrained Robust Least Squares Approach for Contaminant Source Release History Identification. Water Resour. Res., 42(4), W04414, doi:10.1029/2005WR004312.
Woolhiser, D.A., R.W. Fedors, R.E. Smith, and S.A. Stothoff. 2006. Estimating Infiltration in the Upper Split Wash Watershed, Yucca Mountain, Nevada. ASCE Journal of Hydrologic Engineering, 11(2):123–133.
Basagaoglu H, Meakin P, and Succi S. 2005. Energy Dissipation Measures in Three-Dimensional Porous Media, Physical Review E, 72(4), 046705 Part 2.
Dinwiddie, C.L. The small-drillhole minipermeameter probe for in-situ permeability measurement. SPE Reservoir Evaluation & Engineering. 8(6), 491–501. December 2005.
Painter, S. and V. Cvetkovic. 2005. Upscaling Discrete Fracture Network Simulations: An Alternative to Continuum Transport Models, Water Resour. Res., 41(2), W02002, doi:10.1029/2004WR003682.
Sun, N.-Z., and A. Sun, Inverse Methods for Parameter Estimation. In M.G. Anderson and J.J. McDonnell (eds.), Encyclopedia of Hydrological Sciences, 4, John Wiley and Sons, United Kingdom, 2005.
Basagaoglu H., C.T. Green, P. Meakin, and B.J. McCoy. 2004. Lattice-Boltzmann Simulation of Coalescence-driven Island Coarsening. Journal of Chemical Physics, 121(16):7987–7995.
Basagaoglu H., T.R. Ginn, and B.J. McCoy. 2004. Radial Pore Diffusion Model with Non-Uniform Intra-particle Porosities. Journal of Environmental Engineering—ASCE, 130(10):1170–1179.
Cvetkovic, V., S. Painter, D. Turner, D. Pickett, and P. Bertetti. 2004. Parameter and model sensitivities for colloid-facilitated radionuclide transport on the field scale. Water Resources Research, 40(6), doi:10.1029/2004WR003048.
Cvetkovic, V., S. Painter, N. Outters, J.-O. Selroos. 2004. Stochastic simulation of radionuclide migration in discretely fractured rock near the Äspö Hard Rock Laboratory, Water Resources Research, 40(2), doi:10.1029/2003WR002655.
Ferrill, D.A., D.W. Sims, D.J. Waiting, A.P. Morris, N.M. Franklin, and A.L. Schultz. March 2004. Structural framework of the Edwards Aquifer Recharge Zone, South-Central Texas. Geological Society of America Bulletin, 116(3):407–418. doi:10.1130/B25174.1.
Jiang, Y., A.D. Woodbury, and S. Painter. 2004. Full-Bayesian Inversion of the Edwards Aquifer, Ground Water, 42(5):724–733.
Sun, A. and D. Zhang. 2004. A Solute Flux Approach to Transport in Nonstationary, Unsaturated Porous Media. Vadose Zone J, 3:513–526.
Basagaoglu, H., E.E. Chung, D. Gandhi, K.M. Scow, B.J. McCoy, and T.R. Ginn. 2003. Rate Parameters for Methyl Tert-butyl Ether Degradation Via a Radial Diffusion Model. Journal of Environmental Engineering—ASCE, 129(6):565–570.
Benke, R. and S. Painter. 2003. Modeling conservative tracer transport in fracture networks with a hybrid approach based on the Boltzmann transport equation. Water Resources Research, 39(11), doi:10.1029/2003WR001966.
Dietrich, J.P., H. Basagaoglu, T.R. Ginn, and F.J. Loge. 2003. Preliminary Assessment of Transport Processes Influencing the Penetration of Chlorine into Wastewater Particles and Subsequent Inactivation of Particle-Associated Organisms. Water Research, 37(1):139–149.
Dinwiddie, C.L., F.J. Molz, III, and J.W. Castle. 2003. A new small drill hole minipermeameter probe for in situ permeability measurement: Fluid mechanics and geometrical factors. Water Resources Research 39(7): 1,178. doi:10.1029/2001WR001179.
Festger, A. and G.R. Walter. 2002. The capture efficiency map: the capture zone under time-varying flow. Ground Water. 40(6), 619-628.
Green, R.T. 2003. Geophysical Survey to Determine the Depth and Lateral Extent of the Leona Aquifer in the Leona River Floodplain, South of Uvalde, Texas. San Antonio, TX: Southwest Research Institute. Technical Report for the Edwards Aquifer Authority.
Molz, F.J., III, C.L. Dinwiddie, and J.L. Wilson. 2003. A physical basis for calculating instrument spatial weighting functions in homogeneous systems. Water Resources Research 39(4):1,096. doi:10.1029/2001WR001220.
Painter, S., J.R. Winterle, and A. Armstrong. 2003. Using temperature to test models of flow near Yucca Mountain, Nevada. Ground Water 41(5): 657–666.
Waiting, D., D. Ferrill, and D. Sims. 2003. Development of a High-Resolution Geological Framework Model for the Edwards Aquifer Recharge Zone: Data, Assumptions, Procedures, and Workflow. Bulletin of the South Texas Geological Society. March 2003, XLIII(7):13–24.
Walter, G.R. 2003. Fatal flaws in measuring landfill gas generation rates by empirical well testing. Journal of the Air and Waste Management Association. April 2003.
Walter, G.R. April 2003. Fatal Flaws in Measuring Landfill Gas Generation Rates by Empirical Well Testing. Journal of the Air and Waste Management Association, 53(4): 461–468.
Zhu, C., J.R. Winterle, and E.I. Love. 2003. Late Pleistocene and Holocene Groundwater Recharge From the Chloride Mass Balance Method and Chlorine-36 Data. Water Resour. Res., 39(7), 1182.
Basagaoglu, H., B.J. McCoy, T.R. Ginn, F.J. Loge, and J.P. Dietrich. 2002. A Diffusion Limited Sorption Kinetics Model with Polydispersed Particles of Distinct Sizes and Shapes. Advances in Water Resources, 25(7):755–772.
Basagaoglu, H., T.R. Ginn, and B.J. McCoy. 2002. Comment on Model Coupling Intra-Particle Diffusion/Sorption, Nonlinear Sorption and Biodegradation Process by H.K. Karapanagioti, C.M. Gossard, K.A. Strevett, R.C. Kolar, and D.A. Sabatini. Journal of Contaminant Hydrology, 57(3–4):303–310.
Basagaoglu, H., T.R. Ginn, C.T. Green, and B.J. McCoy. 2002. Modeling Transport in Heterogeneous Media: Tracer Dynamics in Complex Flow Networks. American Institute of Chemical Engineers Journal (AIChE J), 48(5):1122–1132.
Basagaoglu, H., T.R. Ginn, and B.J. McCoy. 2002. Formulation of a Soil-Pesticide Model Based on a Compartmental Approach. Journal of Contaminant Hydrology, 56(1–2):1–24.
Browning, L., W.M. Murphy, C. Manepally, and R.W. Fedors. October 2002. Reactive Transport Model for the Ambient Unsaturated Hydrogeochemical System at Yucca Mountain, Nevada. Computers and Geoscience Journal, 29:247–263.
Cvetkovic, V., S. Painter, and J.-O. Selroos. 2002. Comparative measures of radionuclide containment in the crystalline geosphere, Nuclear Science and Engineering, 142(3), 292 304.
Festger, A. and G.R. Walter. 2002. The Capture Efficiency Map: The Capture Zone Under Time-Varying Flow. Ground Water, 40(6):619–628.
Mohanty, S., R. Fedors, C. Manepally, and D. Esh. 2002. Importance of Near-Field Thermo-Hydrologic Processes in the Performance Assessment of the Proposed High-Level Waste Repository at Yucca Mountain. In B.P. McGrath and G.A. Cragnolino (Eds). Proceedings of the Scientific Basis for Nuclear Waste Management XXVI. Warrendale, PA: Materials Research Society.
Painter, S., 2002. Statistical characterization of spatial variability in sedimentary rock, In: Heterogeneity in the Crust and Upper Mantle:Nature, Scaling and Seismic Properties, J. A. Goff and K. Holliger, eds. Kluwer Academic, New York, pp. 187-206.
Painter, S., V. Cvetkovic, D. Pickett,and D. Turner. 2002. Significance of kinetics for radionuclide sorption on inorganic colloids: Modeling and experimental interpretation issues, Environmental Science and Technology 36, pp. 5369-5375.
Painter, S., V. Cvetkovic, and J.O. Selroos. 2002. Power law velocity fluctuations in fracture networks: Numerical evidence and implications for tracer transport, Geophysical Research Letters, 29(14).
Stothoff, S. 2002. Combining Hydrology and Geomorphology in Semiarid and Subtropical Environments. Computational Methods in Water Resources XIV, 2, Delft, The Netherlands, Computational Mechanics Publications, pp. 1685–1692.
Sun, N.-Z., and A. Sun. 2002. Parameter Identification of Environmental Systems, Chapter 8, in Environmental Fluid Mechanics, Ed. H. Shen et al., ASCE.
Basagaoglu H, and B.J. McCoy. 2001. A Linear Driving Force Model for Diffusion and Reaction with Interphase Partitioning. American Institute of Chemical Engineers Journal (AIChE J), 47(3):754–757.
Larson, K.J., H. Basagaoglu, and M.A. Marino. 2001. Prediction of Optimal Safe Ground Water Yield and Land Subsidence in the Los Banos–Kettleman City Area, California, Using a Calibrated Numerical Model. Journal of Hydrology, 242:79–102.
Ofoegbu G.I., S. Painter, R. Chen, R.W. Fedors, and D.A. Ferrill. 2001. Geomechanical and Thermal Effects on Moisture Flow at the Proposed Yucca Mountain Nuclear Waste Repository. Nuclear Technology, 134(3):241–262.
Ofoegbu G.I. 2001. Hydrological Implications of Thermally Induced Geomechanical Response at Yucca Mountain, Nevada. In Rock Mechanics in the National Interest, Proceedings 38th U.S. Rock Mechanics Symposium (ed. D. Elsworth, J.P. Tinucci, and K.A. Heasley), Lisse, A.A. Balkema.
Painter, S.. 2001. Flexible scaling model for use in random field simulation of hydraulic conductivity, Water Resources Research 37(5), 1155 1163.
Painter, S. and V. Cvetkovic. 2001. Effect of heterogeneity on radionuclide retardation in the alluvial aquifer near Yucca Mountain, Nevada, Ground Water, 39(3).
Painter, S. and V. Cvetkovic. 2001. Stochastic analysis of early tracer arrival in a segmented fracture pathway, Water Resources Research. 37(6).
Basagaoglu H., T.R. Ginn, B.J. McCoy, and M.A. Marino. 2000. A Linear Driving Force Approximation to a Radial Diffusive Model. American Institute of Chemical Engineers Journal (AIChE J), 46(10):2097–2105.
Chu, X., H. Basagaoglu, M.A. Marino, and R.E. Volker. 2000. Aldicarb Transport in the Subsurface Environment: Comparison of Models. Journal of Environmental Engineering, ASCE, 126(2):121–129.
Farrell, D., P. Le Femina, A. Armstrong, S. Sandberg, and N. Rogers. 2000. Constraining Hydrogeologic Models Using Geophysical Techniques: Case Study Fortymile Wash and Amargosa Desert, Southern Nevada. In Proceedings of the 2000 SAGEEP Conference, Arlington, VA: February 20–24.
Gaynor, G.C., E.Y. Chang, S.L. Painter, and L. Paterson. 2000. Application of Levy Random Fractal Simulation Techniques in Modeling Reservoir Mechanisms in the Kuparuk River Field, North Slope, Alaska. SPE Reservoir Evaluation & Engineering, 3(3):263–271.
Ofoegbu G.I. 2000. Thermal-Mechanical Effects on Long-Term Hydrological Properties at the Proposed Yucca Mountain Nuclear Waste Repository. CNWRA 2000-03. San Antonio, Texas: Center for Nuclear Waste Regulatory Analyses.
Stothoff, S.A., and D. Or. 2000. A Discrete-Fracture Boundary Integral Approach to Simulating Energy and Moisture Transport in a Fractured Porous Medium. In Dynamics of Fluids in Rocks: Concepts and Recent Advances. Geophysical Monograph Series, Washington DC: American Geophysical Union, pp. 267–279.
Stothoff, S.A., and D. Or. 2000. A Discrete-Fracture Boundary Integral Model for Unsaturated Flow in a Fractured Porous Medium. In Computational Methods in Water Resources XIII, Vol. 1. Southampton, United Kingdom, Computational Mechanics Publications, pp. 255–262.
Sun, A. and D. Zhang. 2000. Prediction of Solute Spreading in Bounded, Unsaturated Porous Media, Water Resour. Res., 36(3):715-723.
Woolhiser, D.A., S.A. Stothoff, and G.W. Wittmeyer. 2000. Estimating Channel Infiltration from Surface Runoff in the Solitario Canyon Watershed, Yucca Mountain, Nevada. ASCE Journal of Hydrologic Engineering, 5(3):240–249.
Zhang, D., and A. Sun. 2000. Stochastic Analysis of Transient Saturated Flow Through Heterogeneous Fractured Porous Media: A Double-Permeability Approach. Water Resour. Res., 36(4):865–874.
Zhang, D., R. Andricevic, A. Sun, X. Hu and G. He. 2000. Solute-Flux Approach to Transport Through Spatially Nonstationary Flow in Porous Media, Water Resour. Res., 36(7):2107–2120.
Basagaoglu, H., M.A. Marino, and R.H. Shumway. 1999. -Form Approximating Problem for a Conjunctive Water Resource Management Model. Advances in Water Resources, 23(1):69–81.
Basagaoglu, H., and M.A. Marino, 1999. Joint Management of Surface and Ground Water Supplies. Ground Water, 37(2):214–222.
Basagaoglu H., M.A. Marino, and M.T. Botzan. 1999. Land Subsidence in the Los Banos–Kettleman City Area, California: Past and Future Occurrence. Physical Geography, 20(1):67–82.
Botzan, M.T., A.L. Necula, M.A. Marino, and H. Basagaoglu. 1999. Benefit-cost Model for an Artificial Recharge Scenario in the San Joaquin Valley, California. Water Resources Management, 13:189–203.
Botzan, M.T., M.A. Marino, and H. Basagaoglu. 1999. Drought-Subsidence Prediction Model for the Western San Joaquin Valley, California. Water International, 24(3):221–228.
Dinwiddie, C.L., N.A. Foley, and F.J. Molz, III. 1999. In-well hydraulics of the electromagnetic borehole flowmeter. Ground Water 37(2): 305–315.
Ferrill, D.A., J. Winterle, G. Wittmeyer, D. Sims, S. Colton, A. Armstrong, and A.P. Morris. 1999. Stressed Rock Strains Groundwater at Yucca Mountain, Nevada. GSA Today 9(5):1–8.
Ofoegbu G.I., A.C. Bagtzoglou, R.T. Green and A. Muller. 1999. Effects of Perched Water on Thermally Driven Moisture Flow at the Proposed Yucca Mountain Repository for High-Level Waste. Nuclear Technology, 125(2):235–253.
Painter, S. and G. Mahinthakumar. 1999. Prediction uncertainty for tracer migration in random heterogeneities with multifractal character, Advances in Water Resources, 23, 49-57.
Rubin, Y., A. Sun, R. Maxwell and A. Bellin. 1999. The Concept of Block Effective Macrodispersivity and a Unified Approach for Grid-Scale and Plume-Scale Dependent Transport, J. Fluid Mech., 395:161–180.
Stothoff, S.A., D. Or, D.P. Groeneveld, and S.B. Jones. 1999. The Effect of Vegetation on Infiltration in Shallow Soils Underlain by Fissured Bedrock. Journal of Hydrology, 218:169–190.
Coleman, N., N. K. Stablein, D. Brooks, S. Stothoff, and B. Sagar. 1998. NRC Issue Resolution Status Report on Yucca Mountain Present-Day Shallow Groundwater Infiltration. In Proceedings of the Eighth Annual High Level Radioactive Waste Management Conference, La Grange Park, IL, pp. 342–344. American Nuclear Society.
Murphy, W.M., E.C. Pearcy, R.T. Green, J.D. Prikryl, S. Mohanty, B.W. Leslie, and A. Nedungadi. A Test of Long-Term, Predictive, Geochemical Transport Modeling at the Akrotiri Archaeological Site. Journal of Contaminant Hydrology, 29(3):245–279.
Ofoegbu G.I., A.C. Bagtzoglou, and R.T. Green. 1998. Thermally-driven Moisture Flow Near the Vicinity of Perched Aquifers in Unsaturated Geologic Media. Computational Methods in Contamination and Remediation of Water Resources, Proceedings of XII International Conference on Computational Methods in Water Resources, Southampton, United Kingdom: Computational Mechanics Publications. p. 321–328.
Painter, S. 1998. Numerical method for conditional simulation of levy random fields, Mathematical Geology, 30(2), 163-179.
Painter, S., V. Cvetkovic and J-O. Selroos. 1998. Transport and retention in fractured rock: Consequences of a power-law distribution for fracture lengths, Phys. Rev. E, 57(6), 6917-6922.
Stothoff, S.A. 1998. Infiltration in Shallow Soils Overlying Fractured Bedrock. In V.N. Burganos, G.P. Karatzas, A.C. Payatakes, C.A. Brebbia, W.G. Gray, and G.F. Pinder (Eds.) Computational Methods in Water Resources XII, 2. Southampton, United Kingdom: Computational Mechanics Publications, pp. 403–410.
Sun, A. and Y. Rubin. 1998. Temporal Moments of Reactive and Conservative Solute Transport in the Unsaturated Zone, J. Hydraulic Res., 36(6).
Basagaoglu, H., C. Erturk, M.A. Marino, and N. Usul. 1997. Selection of Waste Disposal Sites Using GIS. Journal of the American Water Resources Association, 33(2):455–464.
Stothoff, S., and B. Sagar. 1997. Estimating
Spatial and Temporal Variations of Infiltration at Waste Sites. In
Transactions of the American Nuclear Society, 76, La Grange Park, IL:
American Nuclear Society, pp. 203–205.
Painter, S. 1996. Evidence for nonGaussian Scaling Behavior in Heterogenous Sedimentary Formations, Water Resources Research, 32, 1183-1195.
Painter, S. Stochastic Interpolation of Aquifer Properties Using Fractional Levy Motion, Water Resour. Res., 32(5):1323–1332.
Paterson, L., S. Painter, M.A. Knackstedt, and W.V. Pinczewski. 1996. Patterns of Fluid Flow in Naturally Heterogeneous Rocks. Physica A, 233(3–4):619–628.
Sagar, B. 1996. Flow Modeling in Heterogeneous Media in the Context of Geologic Nuclear Waste Repositories. Nuclear Science and Engineering, 123(3):443-454.
Manteufel, R.D., H.M. Castellaw, and S.A. Stothoff. 1995. Microslab Model for Diffusion-Controlled Drying of a Fractured Porous Medium. In M. I. Hunt (Ed.), Proceedings of the 30th 1995 National Heat Transfer Conference, 309, New York, NY: American Society of Mechanical Engineers Heat Transfer Division, pp. 31–40.
Painter, S., G. Beresford, and L. Paterson. 1995. On the Distribution of Seismic Reflection Coefficients and Seismic Amplitudes, Geophysics, 60 (4) Jul-Aug.
Painter, S. 1995. Random Fractal Models of Heterogeneity—the Levy-Stable Approach. Mathematical Geology, 27(7):813–830.
Sagar, B., A.C. Bagtzoglou, R.T. Green, and S.A. Stothoff. 1995. Measurement and Modeling of Flow through Unsaturated Heterogeneous Rock in the Context of Geologic Disposal of Nuclear Waste. In Proceedings of the ASME Heat Transfer and Fluids Engineering Divisions, 321, New York, NY: American Society of Mechanical Engineers Heat Transfer Division, pp. 271–284.
Stothoff, S.A. 1995. Effects of Alluvial Depth on Long-Term Infiltration at Yucca Mountain, NV. In Proceedings of the Sixth Annual High Level Radioactive Waste Management Conference, La Grange Park, IL: American Nuclear Society. pp. 191–194.
Stothoff, S.A., A.C. Bagtzoglou, and H. Castellaw. 1995. Estimation of Spatial Distribution of Recharge Factors at Yucca Mountain, Nevada. In Proceedings of the Sixth Annual High Level Radioactive Waste Management Conference, La Grange Park, IL: American Nuclear Society, pp. 69–71.
Stothoff, S.A., A.C. Bagtzoglou, and H. Castellaw. 1995. Estimation of Spatial Distribution of Recharge Factors at Yucca Mountain, Nevada. In D. Silva (Ed.), Vadose Zone Hydrology: Cutting Across Disciplines, Davis, CA: Kearney Foundation of Soil Science International Conference Proceedings, pp. 143–144.
Basagaoglu, H., and H. Yazicigil. 1994. Optimal Capacity Expansion Planning in Multi-Aquifer Systems. Journal of Water Resources Planning and Management, ASCE, 120(6):836–856.
Mohanty, S., A.H. Chowdhury, S.M. Hsiung, and M.P. Ahola. 1994. Single fracture flow behavior of Apache Leap Tuff under normal and shear load. CNWRA 94-024. San Antonio, Texas: Center for Nuclear Waste Regulatory Analyses.
Painter, S. and L. Paterson. 1994. Fractional Levy Motion as a Model for Spatial Variability in Sedimentary Formations, Geophysical Research Letters, 21(25):2857-2860, December 15.
Walter, G.R. 1994. Modeling of Vapor Extraction and General Transport in the Presence of NAPL Mixtures and Nonideal Conditions—Discussion. Ground Water, 32(1):146–148.
Gureghian, A.B., Y.T. Wu, B. Sagar, and R.B. Codell. 1993. Sensitivity and Uncertainty Analyses Applied to One-Dimensional Radionuclide Transport in a Layered Fractured Rock. 1. Analytical Solutions and Local Sensitivities. Nuclear Technology, 104(2):272–296.
Hsiung, S.M., A.H. Chowdhury, W. Blake, and J. Philip. 1993. Field Investigation of Mining-Induced Seismicity on Local Geohydrology. In Proceedings of the Fourth International Conference on High-Level Radioactive Waste Management, La Grange Park, IL: American Nuclear Society.
Wu, Y.T., A.B. Gureghian, B. Sagar, and R.B. Codell. Sensitivity and Uncertainty Analyses Applied to One-Dimensional Radionuclide Transport in a Layered Fractured Rock. 2. Probabilistic Methods Based On The Limit-State Approach. Nuclear Technology, 104(2):297–308.
Ababou, R., B. Sagar, and G. Wittmeyer. 1992. Testing Procedures for Spatially Distributed Flow Models. Advances in Water Resources, 15(3):181–198.
Ahola, M.P., S.M. Hsiung, L.J. Lorig, A.H. Chowdhury. 1992. Thermo-hydro-mechanical Coupled Modeling: Multiple Fracture Model, BMT2 and Coupled Stress-Flow Model, TC1, DECOVALEX Phase 1. CNWRA 92-005. San Antonio, Texas: Center for Nuclear Waste Regulatory Analyses. April 1992.
Philip, R.D., and G.R. Walter. 1992. Prediction of Flow and Hydraulic-Head Fields for Vertical Circulation Wells. Ground Water, 30(5):765–773.
Stothoff, S.A., and G.F. Pinder. 1992. A Boundary Integral Technique for Multiple-Front Simulation of Incompressible, Immiscible Flow in Porous Media. Water Resources Research, 28(8):1067–1076.
Hsiung, S.M., S. McKinnon, A.H. Chowdhury, B. Vanzant, and J. Philip. 1991. Field Investigations for Seismic Effects on Mechanical and Geohydrologic Response of Underground Structures in Jointed Rocks. In Proceedings of the 1991 High-Level Radioactive Waste Management Conference. Las Vegas, NV. April 28–May 3.
Wittmeyer, G. and S.P. Neuman. 1991. Monte-Carlo Experiments With Robust Estimation Of Aquifer Model Parameters. Advances In Water Resources, 14(5):252–272.
Walton, J.C. and B. Sagar. 1990. Aspects of Fluid-flow through Small Flaws in Membrane Liners. Environmental Science & Technology, 24(6):920–924.
Stothoff, S.A., and G. F. Pinder. 1989. Updating Boundary Element Mesh Coordinates Using Finite Element Integration in Transient Free-Surface Flow. In C.A. Brebbia and J.J. Connor (Eds.), Advances in Boundary Elements, 2. Southampton, United Kingdom: Computational Mechanics Publications.
Lu, A.H., B. Sagar, R.B. Guenther, and R.T. Hudspeth. 1987. Flow Equations in Terms of Piezometer Levels for Nonisothermal Fluid in Low-Permeability Porous-Medium. Water Resour. Res., 23(6):1097–1102.
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