Presentations and Publications

Pensado, O. and J. Mancillas. Estimates of Mean Consequences and Confidence Bounds on the Mean Associated With Low-Probability Seismic Events in Total System Performance Assessments. Presented at and published in the 11th International Conference on Environmental Remediation and Radioactive Waste Management, September 2-6, Bruges, Belgium. ASME Press, New York, NY, ISBN 0-7918-3818-8, Item No. I785CD (CD ROM), 2007

Painter, S.L., J. Myers, L. Sabido and A. Sun. 2007. Sensitivity of Repository Thermal-Hydrogeological-Chemical Simulations to Choice of Numerical Algorithm. Joint International Topical Meeting on Mathematics & Computation and Supercomputing in Nuclear Applications. Monterey, California, April 15–19.

Stothoff, S., G. Walter, R. Fedors, and E. Peters. 2007. Constraining Estimates of Long-Term-Average Net Infiltration at Yucca Mountain. Devil's Hole Workshop, Death Valley, California, May 2–3.

Fedors, R. and S. Stothoff. 2006. Relationship of Short-term Precipitation Records at Yucca Mountain to Long-Term Climate Records. Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract H11F–1317.

Manepally, C., and R.W. Fedors. 2005. Effects of Natural Drift Degradation on In-Drift Moisture Distribution. Eos Trans. AGU, 86(52), Fall Meet. Suppl., Abstract H21B–1334.

Browning, L., L. Yang, R. Pabalan, C. Manepally, and R. Fedors. 2004. Estimated Effects of Temperature-Relative Humidity Variations on the Composition of In-Drift Water in the Potential Nuclear Waste Repository at Yucca Mountain, Nevada, 28th International Symposium on the Scientific Basis for Nuclear Waste Management-Material Research Society (MRS) 2004 Spring Meeting, San Francisco, CA, April 12-16, 2004

Browning, L., R. Fedors, L. Yang, O. Pensado, R. Pabalan, C. Manepally, and B. Leslie. 2004. Estimated Effects of Temperature-Relative Humidity Variations on the Composition of In-Drift Water in the Potential Nuclear Waste Repository at Yucca Mountain, Nevada. International Symposium on the Scientific Basis for Nuclear Waste Management XXVIII. Materials Research Society 2004 Spring Meeting, San Francisco, CA, April 12–16.

Fedors, R.W., C. Manepally, L.B. Browning, G.R. Adams, and S.T. Green. 2004. Evaluation of Large-Scale Temperature Gradients to Support Assessment of Convection and Cold-Trap Processes in Heated Drifts. Society for Mining, Metallurgy, and Exploration 2004 Annual Meeting and Exhibit, Denver, CO: February 23–25.

Manepally, C., A. Sun, and R.W. Fedors. 2004. Effects of Natural Drift Degradation on In-drift Thermohydrological Conditions. Eos Trans. AGU, 85(47), Fall Meet. Suppl., Abstract H31D–0410. 

Manepally, C., and R.W. Fedors. 2004. Spatial Variation of In-Drift Environmental Conditions Based on a Porous Media Approach. 2004 ASME Heat Transfer and Fluid Engineering Summer Conference, Charlotte, NC, July 11–17.

2003

Browning, L., W.M. Murphy, C. Manepally, and R. Fedors. 2003. Reactive Transport Simulations of Alternative Flow Pathways in the Ambient Unsaturated Zone at Yucca Mountain, Nevada. Geophysical Research Abstracts, 5, 04741, European Geophysical Society, Nice, France, April 4–13.

Browning, L., W.M. Murphy, C. Manepally, and R. Fedors. 2003. Effects of Alternate Flow Pathways on Water Chemistries in Reactive Transport Simulations of the Ambient Unsaturated Zone at Yucca Mountain, Nevada. Devil's Hole Workshop, Death Valley, CA, May 21–23.

Browning, L., W.M. Murphy, C. Manepally, and R. Fedors. 2003. Reactive Transport Model for Fracture and Matrix Geochemistry at Yucca Mountain, Nevada. Eos Trans. AGU, 84(46), Fall Meet. Suppl., Abstract H21D–0835.

Fedors, R.W., C. Manepally, L.B. Browning, G.R. Adams, and S.T. Green. 2003. Effects of the Cold-Trap Process in Drifts for the Proposed Repository at Yucca Mountain. 2004 Society for Mining, Metallurgy, and Exploration Annual Meeting and Exhibit, Denver, CO: February 23–25.

Manepally, C. and R. Fedors. 2003. Edge-Cooling Effect on the Potential Thermohydrologic Conditions at Yucca Mountain. In Proceedings from the International High-Level Radioactive Waste Management Conference, Las Vegas, NV, March 30–April 3.

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.

Browning, L., W.M. Murphy, C. Manepally, R. Fedors, and D. Hughson. 2002. Conceptualization and Calibration of a One Dimensional Reactive Transport Model of the Ambient Unsaturated Zone Hydrochemical System at Yucca Mountain, Nevada. Eos Trans. AGU, 83(47), Fall Meet. Suppl., Abstract H62B-0849.

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.

2001

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.

Woolhiser, D.A., R.W. Fedors, and S.A. Stothoff. 2001. Effects of Topography and Soil Depth on Focused Infiltration: Upper Split Wash Watershed, Nevada. Eos Trans. AGU, 82(47), Fall Meet. Suppl., Abstract H41G–11.

2000

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.

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.

1999

Ciocco, J., R. Fedors, J. Winterle, and S. Stothoff. 1999. Evaluation of Hydrologic Parameters Used to Assess Performance at Yucca Mountain, Nevada. Eos Trans. AGU, 80(46), Fall Meet. Suppl., Washington, DC: American Geophysical Union, pp. F399. Abstract H32C–21.

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.

Groeneveld, D., S. Stothoff, and R. Fedors. 1999. Climate-sensitive Vegetation Model on Yucca Mountain, Nevada, Driven by Elevation, Slope, and Aspect. Eos Trans. AGU, 80(46), Fall Meet. Suppl., Washington, DC: American Geophysical Union, pp. F465. Abstract H52B–04.

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.

Stothoff, S., D. Groeneveld, O. Chadwick, and R. Fedors. 1999. Response of Deep Percolation to Vegetation Succession Scenarios at Yucca Mountain, NV. Eos Trans. AGU, 80(46), Fall Meet. Suppl., Washington, DC: American Geophysical Union, pp. F458. Abstract H51D–10.

Stothoff, S., O. Chadwick, D. Groeneveld, D. Or, R. Fedors, and D. Woolhiser. 1999. Assessing Changes in Deep Percolation Over a Glacial Cycle due to Linked Changes in Climate, Soils, and Vegetation at Yucca Mountain, NV. Eos Trans. AGU, 80(17), Spring Meet. Suppl., Washington, DC: American Geophysical Union, pp. S3–S4. Abstract U22A–01.

Stothoff, S., D. Hughson, G.I. Ofoegbu, R. Green, R. Fedors, D. Or, and M. Tuller. 1999. Discrete-Fracture Modeling of Drift-Scale Processes at Yucca Mountain, NV. Eos Trans. AGU, 80(17), Spring Meet. Suppl., Washington, DC: American Geophysical Union, pp. S10. Abstract U32A–16.

Woolhiser, D., R. Fedors, D. Waiting, and S. Stothoff. 1999. Possible Sources of Focused Infiltration: Upper Split Wash Watershed, Yucca Mountain, Nevada. Eos Trans. AGU, 80(46), Fall Meet. Suppl., Washington, DC: American Geophysical Union, pp. F350. Abstract H21D–02.

1998

Coleman, N., N. Eisenberg, N. Stablein, D. Brooks, R. Fedors, B. Sagar, and S. Stothoff. 1998. Refinement of Deep Percolation Estimates at Yucca Mountain in a Regulatory Framework. Eos Trans. AGU, 79(45), Fall Meet. Suppl., Washington, DC: American Geophysical Union, pp. F309. Abstract H21B–12.

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.

1997

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.

Woolhiser, D.A., S.A. Stothoff, and G.W. Wittmeyer. 1997. Estimating Recharge through the Ephemeral Channels of Solitario Canyon—Yucca Mountain, Nevada. Eos Trans. AGU, 78(46), Fall Meet. Suppl., Washington, DC: American Geophysical Union, pp. F262. Abstract H32A–07.

1996

Stothoff, S.A. 1996. Estimating Shallow Infiltration at Yucca Mountain, Nevada. INVITED. Geological Society of America Spring Sectional Meeting, Austin, TX.

Stothoff, S.A., A.C. Bagtzoglou, and H. Castellaw. 1996. Estimation of Spatial Distribution of Recharge Factors at Yucca Mountain, NV. In Proceedings of the International Conference on Application of Geographic Information Systems in Hydrology and Water Resources Management. Vienna, Austria: International Association of Hydrological Sciences.

1995

Green, R.T., G.W. Wittmeyer, and A.C. Bagtzoglou. 1995. Uncertainty Reduction in the Implementation of a Geologic High Level Waste Repository Performance Regulation Using Subsurface Flow Models. INVITED. Eos Trans. AGU, 76(17), Spring Meet. Suppl., Washington, DC: American Geophysical Union, pp. S110–S111.

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. and A.C. Bagtzoglou. 1995. Estimation of Recharge at Yucca Mountain, Nevada. Eos Trans. AGU, 76, Washington, DC: American Geophysical Union, p. F242. Abstract H41B–18.

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.

1993

Ahola, M.P., and B. Sagar. 1992. Regional Groundwater Modeling of the Saturated Zone in the Vicinity of Yucca Mountain, Nevada. NUREG/CR–5890, CNWRA 92-001. Washington, DC: U.S. Nuclear Regulatory Commission. October 1992.