Book Chapters & Reports

Refereed Book Chapters/Major Reports

G.S. Bodvarsson, and V. Stefansson. 1988. "Reinjection into geothermal reservoirs,"Geothermal Reservoir Engineering, E. Okandan, ed. NATO ASI Series, Series E: Applied Sciences 50, 103—121.

G.S. Bodvarsson. 1988. "Numerical modeling of geothermal systems with applications to Krafla, Iceland and Olkaria, Kenya," Geothermal Reservoir Engineering, E. Okandan, ed. NATO ASI Series, Series E: Applied Sciences 50, 297—316.

G.S. Bodvarsson and T.M. Bandurraga, eds. 1996. Development and Calibration of the 3D Site-Scale Unsaturated Zone Model of Yucca Mountain. Yucca Mountain Project Level 3 Milestone OBO2, Report LBNL-39315. Berkeley, California: Lawrence Berkeley National Laboratory.

G.S. Bodvarsson, T.M. Bandurraga, and Y.S. Wu, eds. 1997. The Site Scale Unsaturated Zone Model of Yucca Mountain, for the Viability Assessment. Yucca Mountain Project Level 4 Milestone SP24UFM4; Report LBNL-40376. Berkeley, California: Lawrence Berkeley National Laboratory.

G.S. Bodvarsson; E.L. Sonnenthal and Y.S. Wu. eds. 1998. Unsaturated Zone Flow and Transport Modeling of Yucca Mountain, Nevada —Fiscal Year 1998 Report. Yucca Mountain Project Milestone SP3CKJM4. Berkeley, California: Lawrence Berkeley National Laboratory.

Y.S. Wu, S. Finsterle, G.S. Bodvarsson. 1999. "Field-Scale Modeling Study to Characterize Hydraulic properties for Water, Air and Heat Flow in the Unsaturated Zone of Yucca Mountain," Book Chapter, Characterization and Measurement of the Hydraulic Properties of Unsaturated Porous Media, edited by M. Th. Van Genuchten, Leij, F. J., and Wu, L., University of California, Riverside, California, pp. 1537—1548. LBNL-46574.

G.S. Bodvarsson; C.F. Ahlers, M. Cushey, F.H. Dove, S.A. Finsterle, C. Haukwa, J. Hinds, C.K. Ho, J. Houseworth, Q. Hu, H.H. Liu, M. Pendleton, E.L. Sonnenthal, A.J. Unger, J.S.Y. Wang, M. Wilson, Y-S. Wu. 2000. Unsaturated Zone Flow and Transport Model Process Model Report. Yucca Mountain Project Process Model Report. LBID-2337.

G.S. Bodvarsson; S. Finsterle, H.H. Liu, C.M. Oldenburg, K. Pruess, Sonnenthal, E.; Wu, Y-S. 2000. "Flow and Transport Modeling of Subsurface Systems, " Chapter 5 of Vadose Zone Science and Technology Solutions. B.B. Loomy and F.W. Falta, eds. Battelle Press: Columbus, Ohio. LBNL-46025.

G.S. Bodvarsson. 2001. "Thermohydrological Effects and Interactions," Chapter 17 in Uncertainty Underground: Dealing with the Nation’s High-Level Nuclear Waste Policy and Scientific Issues. A.M. MacFarland and R. Ewing, eds. (In Progress)

G.S. Bodvarsson, J. Wang, A. Unger, J. Liu, Y-S. Wu, J. Hinds, C. Haukwa, E. Sonnenthal, C-F. Tsang, J. Rutqvist. 2001. "Unsaturated Zone Flow." Chapter 3 ofFY01 Supplemental Science and Performance Analyses: Volume 1, Scientific Bases and Analyses. Las Vegas, Nevada: CRWMS M&O. Document ID# TDR-MGR-MD-000007.

S. Finsterle, G.S. Bodvarsson, C.F. Ahlers, G. Li, Y. Tsang, E. Sonnenthal, C-F. Tsang, J. Rutqvist. 2001 "Seepage." Chapter 4 of FY01 Supplemental Science and Performance Analyses: Volume 1, Scientific Bases and Analyses. Las Vegas, Nevada: CRWMS M&O. Document ID# TDR-MGR-MD-000007. (In Progress)

J.E. Houseworth, H-H. Liu, L. Pan, Y-S. Wu, and G.S. Bodvarsson. 2001. "Unsaturated Zone Transport." Chapter 11 of FY01 Supplemental Science and Performance Analyses: Volume 1, Scientific Bases and Analyses. Las Vegas, Nevada: CRWMS M&O. Document ID# TDR-MGR-MD-000007. (In Progress)

Non-Refereed Publications

G.S. Bodvarsson. 1976. Determination of the Air Content and the Degree of Hydration of Concrete Using the Scanning Electron Microscope, M.S. Thesis. Raleigh, North Carolina: North Carolina State University, 130 pp.

G.S. Bodvarsson. 1977. Aggregates in Concrete, (in Icelandic), special publication by the Icelandic Building Research Institute, 81 pp.

G.S. Bodvarsson. 1977. Air Entraining Agents in Concrete, (in Icelandic), special publication by the Icelandic Building Research Institute, 85 pp.

G.S. Bodvarsson. 1977. Strength of Concrete, (in Icelandic), special publication by the Icelandic Building Research Institute, 80 pp.

G.S. Bodvarsson. 1977. Water Reducing Agents in Concrete, (in Icelandic) special publication by the Icelandic Building Research Institute, 77 pp.

C. F. Tsang, G.S. Bodvarsson, M. J. Lippmann and J. Rivera. 1978. "A Study of Alternative Reinjection Schemes for the Cerro Prieto Geothermal Field, Baja California, Mexico," In Proceedings of Geothermal Resources Council, 1978 Annual Meeting, Hilo, Hawaii, p. 659.

C. F. Tsang, J. M. Zerzan, D. Mangold, T. N. Narasimhan, M. J. Lippmann, K. Pruess, R. C. Schroeder, and G.S. Bodvarsson. 1979. "Numerical Modeling Studies in Well Test Analysis" In Proc. Second Invitational Well Testing Symposium, October 25—27, 1978, Berkeley, California, pp. 47—58. LBL-8883.

M. J. Lippmann and G.S. Bodvarsson. 1979. Recent Modification of the Numerical Code CCC. Berkeley, California: Lawrence Berkeley National Laboratory. LBL-10795.

D. C. Mangold, M. J. Lippmann and G.S. Bodvarsson. 1980. Computer program CCC, User’s Manual–Version II. Berkeley, California: Lawrence Berkeley National Laboratory. LBL- 10909.

G.S. Bodvarsson and C. F. Tsang. 1980. "Injection into Fractured Geothermal Reservoirs." Trans., Geothermal Resources Council, 4, 393—396. LBL-10983.

G.S. Bodvarsson. 1980. "Olkaria Geothermal Field - Preliminary Studies of the Reservoir Behavior Under exploitation," report prepared for the Virkir Consulting Company, Iceland and the Kenya Power Company, Kenya, 30 pp.

G.S. Bodvarsson and M. J. Lippmann. 1980. "The Numerical Simulator CCC."In Proc. Fracture Hydrology Workshop, Berkeley, California: Lawrence Berkeley National Laboratory.

G.S. Bodvarsson, M. J. O’Sullivan, and C. F. Tsang. 1980. "The Sensitivity of Geothermal Reservoir Behavior to Relative Permeability Parameters." In Proceedings of the 6th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA. SGP-TR-50, 229—237. LBL-12040

G.S. Bodvarsson and C. F. Tsang. 1980. "Thermal effects in well tests of fractured reservoirs." In Proceedings of the Third Invitational Well Testing Symposium, Berkeley, CA.

G.S. Bodvarsson and M. J. Lippmann. 1980. "Numerical Model CCC" In Proc., Workshop on Numerical Modeling of Thermohydrological Flow in Fractured Rock Masses, February 19—20, 1980. pp. 102—110. Berkeley, California: Lawrence Berkeley National Laboratory. LBL-11566,

C. Doughty, T. A. Buschek, G.S. Bodvarsson, and C. F. Tsang. 1981. "A numerical study of a two-well system; IEA test problem for code comparison," report prepared for comparison studies of numerical codes for aquifer storage problems.

G.S. Bodvarsson, C. M. Miller and S. M. Benson. 1981. "A simple model for fault-charged hydrothermal systems," Trans., Geothermal Resources Council, 5, 323—327.

G.S. Bodvarsson, S. M. Benson, O. Sigurdsson, G. K. Halldorsson and V. Stefansson. 1981. "Analysis of well data from the Krafla geothermal field in Iceland," In Proceedings of the 7th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA. SGP-TR-55, 71—76.

G.S. Bodvarsson. 1981. "Olkaria geothermal field - numerical studies of the generating capacity of the reservoir," report prepared for the Virkir Consulting Company, Iceland and the Kenya Power Company, Kenya, 80 pp.

S. M. Benson, G.S. Bodvarsson and D. K. Mangold. 1981. "Reservoir engineering of shallow fault-charged hydrothermal systems," In Proceedings of the 7th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA, SGP-TR-55, 161—167.

P. A. Witherspoon, G.S. Bodvarsson, K. Pruess and C. F. Tsang. 1982. "Energy recovery by water injection." In Proceedings Geothermal Resources Council Meeting on Fractures in Geothermal Reservoirs, Hawaii. LBL-14820.

G.S. Bodvarsson, K. Pruess, V. Stefansson, S. Björnsson and S. B. Ojiambo. 1982. "Modeling Studies of the Natural State of the Krafla Geothermal Field." In Proceedings of the 8th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA. SGP-TR-60, 211—217. LBL-14978.

M. J. Lippmann and G.S. Bodvarsson. 1982. "Modeling studies on Cerro Prieto," In Proc. Fourth Symposium on the Cerro Prieto Geothermal Field, Aug. 10—12, 1982, Guadalajara, Mexico. Guadalajara, Mexico: Comision Federal de Electricidad. LBL-14897.

N. Goldstein, K. Pruess, M. Wilt, and G.S. Bodvarsson. 1982. "Resistivity monitoring of fluid migration at the Cerro Prieto field." In Proceedings of the 8th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA. SGP-TR-60, 161—170. LBL-14979.

K. Pruess and G.S. Bodvarsson. 1982. "STMFLD USERS MANUAL." Report on a steamflood simulator prepared for the Energy Resources Company, Walnut Creek, CA, 96 pp.

C. H. Lai and G.S. Bodvarsson. 1982. "Studies of injection into naturally fractured reservoirs," Trans., Geothermal Resources Council, 6, 245—248.

K. Pruess and G.S. Bodvarsson. 1982. "Study of hydrothermal conditions and resaturation times in the near field of storage rooms." Final report of Task 3. LBL assistance to BWIP.

G.S. Bodvarsson and K. Pruess. 1982. "The Krafla geothermal field - final report on modeling studies." report prepared for the Icelandic State Electric Power Works, 287 pp.

M. J. Lippmann and G.S. Bodvarsson. 1983. "A modeling study of the natural state of the Heber geothermal field, California." Trans., Geothermal Resources Council, 7, 441—448.

C. H. Lai, G.S. Bodvarsson, C. F. Tsang and P. A. Witherspoon. 1983. "A new model for well test data analysis for naturally fractured reservoirs," SPE-11688, paper presented at the California Regional Meeting of SPE, Ventura, CA.

K. Pruess and G.S. Bodvarsson. 1983. "A seven-point finite difference method for improved grid orientation performance in pattern steam floods," paper presented at the SPE Reservoir Simulation Symposium, San Francisco, CA.

G.S. Bodvarsson, K. Pruess, V. Stefansson and E. T. Eliasson. 1983. "A summary of modeling studies of the Krafla geothermal field, Iceland." Trans., Geothermal Resources Council, 7, 391—396.

K. Pruess, G.S. Bodvarsson, and V. Stefansson. 1983. "Analysis of Production Data from the Krafla Geothermal Field, Iceland." In Proceedings of the 9th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA. SGP-TR-74, 345—350. LBL-17145.

K. Verma, K. Pruess, C. F. Tsang, P. A. Witherspoon and G.S. Bodvarsson. 1983. "Design and development of a test facility to study two-phase steam/water flow in porous media." In Proceedings of the 9th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA. SGP-TR-74, 443—448. LBL-17172.

M. Wilt, K. Pruess, G.S. Bodvarsson, and N. E. Goldstein. 1983. "Geothermal injection monitoring with D. C. resistivity methods," Trans., Geothermal Resources Council, 7, 477—482.

G.S. Bodvarsson and K. Pruess. 1993. "Modeling studies of geothermal systems with a free water surface," In Proceedings of the 9th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA. SGP-TR-74, 351—356. LBL-17146.

O. Sigurdsson, G.S. Bodvarsson and V. Stefansson. 1983. "Non-isothermal injectivity index can infer well productivity and reservoir transmissivity," In Proceedings of the 9th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA. SGP-TR-74, 211—216.

S. M. Benson and G.S. Bodvarsson. 1983. "Pressure transient method for front tracking," paper presented at 58th Annual SPE Technical Conference and Exhibition, San Francisco, CA.

M. J. Lippmann and G.S. Bodvarsson. 1983. "The generating capacity of the Heber geothermal field," In Proceedings of the 9th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA. SGP-TR-74, 157—166. LBL 16677.

C. Doughty, A. Niemi, C.F. Tsang, and G.S. Bodvarsson. 1983. "Heat Storage in Unsaturated Soils: Initial Theoretical Analysis of Storage Design and Operational Methods," presented at the International Conference in Subsurface Heat Storage in Theory and Practice, Stockholm, Sweden, June 6—8, 1983. Berkeley, California: Lawrence Berkeley National Laboratory. LBNL-14957.

G.S. Bodvarsson, S. M. Benson, et al. 1984. "Geohydrology," in Proposed Scientific Activities for the Salton Sea Scientific Drilling Project. LBL-17716.

G.S. Bodvarsson. 1984. "Numerical studies of enthalpy and CO2 transients in two-phase wells." Trans. Geothermal Resources Council, 8, 289—294.

G.S. Bodvarsson. 1984. "Permeability determination from injection test data."In Proceedings Workshop on Borehole Measurements and Interpretation in Scientific Drilling, report Sand84-0288, D. L. Cooper and R. K. Traeger, editors, Sandia National Laboratories, Albuquerque, NM, pp. 59—61.

G.S. Bodvarsson, K. Pruess, V. Stefansson, S. Björnsson and S. B. Ojiambo. 1985."A summary of modeling studies of the East Olkaria Geothermal Field, Kenya," In Proceedings Geothermal Resources Council 1985 Symposium on Geothermal Energy, Kailua Kona, HI, pp. 295—302. LBL-19367

M. J. Lippmann, G.S. Bodvarsson and S.W. Gaulke. 1985. "Enthalpy transients in fractured two-phase geothermal systems," In Proceedings Geothermal Resources Council 1985 International Symposium on Geothermal Energy, Kailua Kona, HI, pp. 533—540. LBL-19365.

G.S. Bodvarsson and P. A. Witherspoon. 1985. "Flow rate decline of steam wells in fractured geothermal reservoirs," In Proceedings of the 10th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA. SGP-TR-84, 105—112. LBL-18439.

G.S. Bodvarsson and B. L. Cox. 1985. "Non-isothermal injection tests in fractured geothermal reservoirs," In Proceedings of the 10th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA. SGP-TR-84, 151—162. LBL-18438.

C. H. Lai, G.S. Bodvarsson, and P. A. Witherspoon. 1985. "Numerical studies of silica precipitation/dissolution," In Proceedings of the 10th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA. SGP-TR-84, 229—286. LBL-18440.

G.S. Bodvarsson et al. 1986. "A data base for The Geysers geothermal field," LBL-report prepared for the California State Lands Commission LBID-1257, 3 volumes.

G.S. Bodvarsson. 1986. "Independent review of reservoir engineering work at the Aluto-Langano geothermal field, Ethiopia," report prepared for the United Nations Development of Technical Cooperation for Development of Geothermal Resources, New York, Project ETH-78-007, 59 pp.

G.S. Bodvarsson, K. Pruess, V. Stefansson, B. Steingrimsson, S. Björnsson, A. Gunnarsson and E. Gunnlaugsson. 1986. "Natural state model of the Nesjavellir geothermal field, Iceland," In Proceedings of the 11th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA. SGP-TR-84, 109—116.

S. Halfman, M. J. Lippmann and G.S. Bodvarsson. 1986. "Quantitative model of the Cerro Prieto field," In Proceedings of the 11th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA. SGP-TR-84, 127—134. LBL-20523.

G.S. Bodvarsson and B. L. Cox. 1986. "Numerical studies of gravity effects in two-phase reservoirs," Trans., Geothermal Resources Council, 10, 429—436. LBL-21935.

C. H. Lai, K. Pruess and G.S. Bodvarsson. 1986. On the accuracy of the MINC approximation, Berkeley, California: Lawrence Berkeley National Laboratory. LBL-21025.

S. Mishra, G.S. Bodvarsson, and M.P. Attanayake. 1986. "Injection and Falloff Test Analysis to Estimate Properties of Unsaturated Fractures," presented at the American Geophysical Union Fall Meeting, San Fracisco, California, December 8—12, 1986. Berkeley, California: Lawrence Berkeley National Laboratory. LBL-22102.

J. Rulon, G.S. Bodvarsson, and P. Montazer. 1986. Preliminary numerical simulations of groundwater flow in the unsaturated zone, Yucca Mountain, Nevada, Berkeley, California: Lawrence Berkeley National Laboratory. LBL-20553, 110 p.

B. L. Cox and G.S. Bodvarsson. 1986. "Preliminary studies of two-phase effects on pressure transient data," In Proceedings of the 11th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA. SGP-TR-84, 7—14. LBL-21249.

G.S. Bodvarsson and K. Pruess. 1986. "The Nesjavellir geothermal field Iceland - A two-dimensional natural state model," prepared for the Reykjavik Municipal District Heating Service, 38 pp.

G.S. Bodvarsson and K. Pruess. 1986. "The Nesjavellir geothermal field Iceland - Analysis of well spacing," report prepared for the Reykjavik Municipal District Heating, Service, 70 pp.

G.S. Bodvarsson and K. Pruess. 1986. "The Nesjavellir geothermal field Iceland - Coarse estimates of the generating capacity," report prepared for the Reykjavik Municipal District Heating Service, 100 pp.

G. Björnsson and G.S. Bodvarsson. 1987. "A multi-feedzone wellbore simulator," Trans., Geothermal Resources Council, 11, 503—507. LBL-23723.

S. W. Gaulke and G.S. Bodvarsson. 1987. "Analysis of pressure, enthalpy and CO2 transients in Well BR21, Ohaaki, New Zealand," Trans., Geothermal Resources Council, 11, 535—539. LBL-23718.

M. Ripperda and G.S. Bodvarsson. 1987. "Decline curve analysis of production from The Geysers geothermal field," In Proceedings of the 12th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA. SGP-TR-109, 23—27.

S. Mishra, G.S. Bodvarsson, and M. P. Attanayake. 1987. "Estimating properties of unsaturated fractured formations from injection and falloff tests," Berkeley, California: Lawrence Berkeley National Laboratory, LBL-24796.

G.S. Bodvarsson, S. Gaulke, S. Halfman, Z. Peng, and M. Ripperda. 1987. "Geological and reservoir engineering studies of The Geysers geothermal field," Berkeley, California: Lawrence Berkeley National Laboratory, LBID-1299, 212 p.

M. J. Lippmann, S. M. Benson, K. Pruess, and G.S. Bodvarsson. 1987. "Recent geothermal reservoir engineering activities at Lawrence Berkeley National Laboratory," paper presented at International Symposium on the Development and Exploration of Geothermal Resources, Cuernavaca, Mexico. LBL-24033.

H. Tulinius, A.L. Spencer, G.S. Bodvarsson, H. Kristmannsdottir, T. Thorsteinsson, and A.E. Sveinbjornsdottir. 1987. "Reservoir studies of the Seltjarnarnes, Iceland geothermal field," In Proceedings of the 12th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA. SGP-TR-109, 67—75. LBL-22461.

G.S. Bodvarsson. 1987. "The Nesjavellir geothermal field, Iceland - Reservoir evaluation," report prepared for the Reykjavik Municipal District Heating Service, 180 pp.

M. Ripperda and G.S. Bodvarsson. 1988. "A database for The Geysers geothermal field," Trans., Geothermal Resources Council, 12, 481—484.

G.S. Bodvarsson, S. Björnsson, A. Gunnarsson, E. Gunnlaugsson, O. Sigurdsson, V. Stefansson and B. Steingrimsson. 1988. "A summary of modeling studies of the Nesjavellir geothermal field, Iceland," In Proceedings of the 13th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA. SGP-TR-113, 83—91. LBL-24675.

M. Ripperda and G.S. Bodvarsson. 1988. "Analysis of internal wellbore flow," In Proceedings of the 12th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA. SGP-TR-109, 269—272.

G.S. Bodvarsson. 1988. "Geothermal well testing and field case studies," In Proc. of the Technical Review on Advances in Geothermal Reservoir Technology- Research in Progress, pp. 92—101. LBL-25635.

G.S. Bodvarsson, A. Niemi, A. Spencer, and M.P. Attanayake. 1988. Preliminary calculations of the effects of air and liquid water drilling on moisture conditions in unsaturated rocks, Berkeley, California: Lawrence Berkeley National Laboratory. LBL-25073.

G.S. Bodvarsson, K. Pruess and K. Udell. 1988. "Reservoir engineering of non-isothermal systems," In Proc. 2nd Berkeley Symposium on Topics in Petroleum Engineering, pp. 17—22. LBL-24337.

C. Doughty and G.S. Bodvarsson. 1988. Some design consideration for the proposed Dixie Valley tracer test, Berkeley, California: Lawrence Berkeley National Laboratory. LBL-25971.

S. Gaulke, G.S. Bodvarsson, B. Aquino, C. Doughty, N. Okusu, S. Hoffman, and M. Ripperda. 1988. Reservoir analysis of The Geysers geothermal field, Berkeley, California: Lawrence Berkeley National Laboratory, 189 p.

G.S. Bodvarsson, S. Gaulke and M. A. Ripperda. 1988. "Some considerations on resource evaluations at The Geysers," Trans., Geothermal Resources Council, 13, 367—376. LBL-27598.

B. Steingrimsson, G.S. Bodvarsson, G. Cuellar and C. Escobar. 1989. "Changes in thermodynamic conditions of the Ahuachapán reservoir due to production and injection," In Proceedings of the 14th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA. SGP-TR-122, 179—286.

S. Gaulke, G.S. Bodvarsson and K. Pruess. 1989. "Enthalpy transients and fluid recovery in fractured gas-rich geothermal reservoirs," Submitted to Water Resour. Res.

C. Laky, M. J. Lippmann, G.S. Bodvarsson, M. Retana and G. Cuellar. 1989. "Hydrogeologic model of the Ahuachapán geothermal field, El Salvador," In Proceedings of the 14th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA. SGP-TR-122, 265—272.

Z. Aunzo, B. Steingrimsson, G.S. Bodvarsson, C. Escobar and A. Quintanilla. 1989. "Modeling studies of the Ahuachapán geothermal field, El Salvador," In Proceedings of the 14th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA. SGP-TR-122, 287—295.

S. Halfman-Dooley, M. J. Lippmann and G.S. Bodvarsson. 1989. "Progress Report on LBL"s numerical modeling studies on Cerro Prieto," In Proc. DOE/CFE Symposium on Geothermal Energy, San Diego, CA, April 4—5, 1989. LBL-27159.

Z. Aunzo, G.S. Bodvarsson, C. Laky, M. J. Lippmann, B. Steingrimsson, A. Truesdell and P. A. Witherspoon. 1989. The Ahuachapán geothermal field, El Salvador - Reservoir analysis, 3 volumes, Berkeley, California: Lawrence Berkeley National Laboratory, LBL-26612.

M. C. Adams, W. R. Benoit, C. Doughty, J. N. Moore and G.S. Bodvarsson. 1989. "The Dixie Valley, Nevada tracer test," Trans., Geothermal Resources Council, 13, 215—220.

H. Truesdell, Z. Aunzo, G.S. Bodvarsson, J. Alonso, and A. Campos. 1989. "The use of Ahuachapán fluid chemistry to indicate natural state conditions and reservoir processes during exploitation," In Proceedings of the 14th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA. SGP-TR-122, 273—286.

G.S. Bodvarsson et al. 1990. A data base for The Geysers geothermal field, Volumes 1—3, Berkeley, California: Lawrence Berkeley National Laboratory. LBL-28618.

Z.-X. Chen, R.W. Zimmerman, G.S. Bodvarsson, and P.A. Witherspoon. 1990. "A New Formulation for One-Dimensional Horizontal Imbibition in Unsaturated Porous Media," Submitted to Water Res. Research. LBL-28638.

R. W. Zimmerman and G.S. Bodvarsson. 1990. "Combined analytical/numerical approaches to solving fluid flow problems in the unsaturated zone at Yucca Mountain," High-Level Nuclear Waste Management, Proceedings of the Second International Conference, Las Vegas, Nevada, April 8—12, 1990. 2,818-824. La Grange Park, Illinois: American Nuclear Society. LBL-28358.

A. Amistoso, G.S. Bodvarsson et al. 1990. "Reservoir analysis and numerical modeling of the Palinpinon Geothermal Field, Negros Oriental, Philippines, report issued by the Philippine National Oil Company, 2 volumes.

M. J. Lippmann and G.S. Bodvarsson. 1990. "Reservoir technology research at LBL addressing Geysers issues," paper presented at the DOE Geothermal Program Review VIII, San Francisco, CA, April 18—20, 1990. LBL-29045.

S. Kumar, R. W. Zimmerman and G.S. Bodvarsson. 1990. "Study of Fractal Aperture Distribution and Flow in Fractures," High-Level Nuclear Waste Management, Proceedings of the First International Conference, Las Vegas, Nevada, April 8—12, 1990. 1, 559—564. La Grange Park, Illinois: American Nuclear Society. LBL-28362.

S. Gaulke, G.S. Bodvarsson, M. Alavi, and M. A. Ripperda. 1991. "A well-by-well analysis of The North West Geysers geothermal field, California," report prepared for the California State Lands Commission. LBID-1781.

S. Kumar, G.S. Bodvarsson and J. Boernge. 1991. "Fractal characteristics of fracture roughness and aperture data," High-Level Nuclear Waste Management,Proceedings of the Second International Conference, Las Vegas, Nevada, April 8—12, 1991. 1, 279—284. La Grange Park, Illinois: American Nuclear Society.

A. Niemi, G.S. Bodvarsson, and K. Pruess. 1991. Incorporation of the capillary hysteresis model HYSTR into the numerical code TOUGH, Berkeley, Calfornia: Lawrence Berkeley National Laboratory, LBL-23592.

R. Zimmerman, S. Kumar and G.S. Bodvarsson. 1991. "Lubrication Theory Analysis of the Permeability of Rough-Walled Fractures," High-Level Nuclear Waste Management, Proceedings of the Second International Conference, Las Vegas, Nevada, April 8—12, 1991. 1, 535—541. La Grange Park, Illinois: American Nuclear Society.

A. Niemi and G.S. Bodvarsson. 1991. Preliminary capillary hysteresis simulations for fractured rocks-model development and results of simulations, Berkeley, Calfornia: Lawrence Berkeley National Laboratory,. LBL-23593.

A. Niemi and G.S. Bodvarsson. 1991. The Capillary hysteresis model HYSTR - USERS GUIDE, Berkeley, Calfornia: Lawrence Berkeley National Laboratory. LBL-23591.

Z. P. Aunzo, G. Björnsson and G.S. Bodvarsson. 1991. Wellbore models GWELL, GWNACL and HOLA, User’s Guide, Berkeley, Calfornia: Lawrence Berkeley National Laboratory. LBL-31428.

M. Ripperda, G.S. Bodvarsson, M.J. Lippmann, C. Goranson, and P.A. Witherspoon. 1991. The Ahuachapan Geothermal Field, El Salvador: Exploitation Model, Performance Predictions, Economic Analysis. Volume 1: Text and Main Figures. Berkeley, California: Lawrence Berkeley National Laboratory. LBL-31132, UC-250.

M. Ripperda, G.S. Bodvarsson, M.J. Lippmann, C. Goranson, and P.A. Witherspoon. 1991. The Ahuachapan Geothermal Field, El Salvador: Exploitation Model, Performance Predictions, Economic Analysis. Volume 2: Appendices A through G. Berkeley, California: Lawrence Berkeley National Laboratory. LBL-31132, UC-250.

R. W. Zimmerman, G. Chen and G.S. Bodvarsson. 1992. "A dual-porosity reservoir model with an improved coupling term," In Proceedings of the 17th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA. SGP-TR-141, pp. 159-164. LBL report LBL-31693.

C.S. Wittwer, G.S. Bodvarsson, M.P. Chornack, A.L. Flint, L.E. Flint, B.D. Lewis, R.W. Spengler, and C.A. Rautman. 1992. "Design of a three-dimensional site-scale model for the unsaturated zone at Yucca Mountain, Nevada," High-Level Nuclear Waste Management, Proceedings of the Third International Conference, Las Vegas, Nevada, April 12—16, 1992. 1, 263-271. La Grange Park, Illinois: American Nuclear Society.

G.S. Bodvarsson, M. J. Lippmann, E. L. Majer, and K. Pruess. 1992. "LBL research on The Geysers: Conceptual 1992 models, simulation and monitoring studies," In Proc. of the DOE Geothermal Review Meeting San Francisco, CA. LBL report LBL-32139.

Haukwa, M. J. Lippmann, G.S. Bodvarsson, and A. Mainieri. 1992. "Preliminary reservoir engineering studies of the Miravalles geothermal field, Costa Rica," In Proceedings of the 17th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA. SGP-TR-141, 127-137. LBL report LBL-32140.

R. W. Zimmerman and G.S. Bodvarsson. 1992. "Semi-analytical treatment of fracture/matrix flow in a dual-porosity simulator for unsaturated fractured rock masses," High-Level Nuclear Waste Management, Proceedings of the Third International Conference, Las Vegas, Nevada, April 12—16, 1992. 1, 272-278. La Grange Park, Illinois: American Nuclear Society.

R.W. Zimmerman and G.S. Bodvarsson. 1992. "Integral Method Solutions to Flow Problems in Unsaturated Porous Media," In Chapter 11 Modeling and Analysis of Diffusive and Advective Processes in Geosciences, W.E. Fitzgibbon and M.F. Wheeler, eds. Society for Industrial and Applied Mathematics. Berkeley, California: Lawrence Berkeley National Laboratory. LBL-33132, UC-814. 12 p.

R.W. Zimmerman, G. Chen, T. Hadgu, and G.S. Bodvarsson. 1992. "A Dual-Porosity Reservoir Model with a Nonlinear Coupling Term," In Proc.International Conference on Fluid Flow in Porous Media, Moscow, Russia, September 22—25, 1992. Berkeley, California: Lawrence Berkeley National Laboratory. LBL-33090, UC-250. 8p.

T. Hadgu and G.S. Bodvarsson. 1992. "Supplement to wellbore models GWELL, GWNACL, and HOLA User’s Guide," LBL report LBL-32907.

K. Yasukawa, M. J. Wilt and G.S. Bodvarsson. 1993. "A coupled self-potential and mass-heat flow code for geothermal applications," Geothermal Resour. Council (17), pp. 203-207. LBL-34298.

E. A. Antúnez and G.S. Bodvarsson. 1993. "Numerical simulation study of The Geysers geothermal field with emphasis on The Northwest Geysers," report prepared for the California State Lands Commission. LBID-1933.

G.S. Bodvarsson, G. Gislason, E. Gunnlaugsson, O. Sigurdsson, V. Stefansson and B. Steingrimsson. 1993. "Accuracy of Reservoir Predictions for the Nesjavellir Geothermal Field, Iceland," In Proceedings of the 18th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA. SGP-TR-145, January 26-28, 1993, pp. 273—278. LBL-33921.

R.W. Zimmerman, G.S. Bodvarsson, A. L. Flint and L. E. Flint. 1993. "An inverse procedure for estimating the unsaturated hydraulic conductivity of volcanic tuff," High-Level Nuclear Waste Management, Proceedings of the Fourth International Conference, Las Vegas, Nevada, April 26—30, 1993. pp. 1052—1057. La Grange Park, Illinois: American Nuclear Society.

T. Hadgu, R. W. Zimmerman and G.S. Bodvarsson. 1993. "Coupling of a reservoir simulator and a wellbore simulator for geothermal applications," Geothermal Resour. Council (17), pp. 499—505. LBL- 34314.

R. W. Zimmerman, T. Hadgu and G.S. Bodvarsson. 1993. "Development of a Dual-Porosity Model for Vapor-Dominated Fractured Geothermal Reservoirs Using a Semi-Analytical Fracture/Matrix Interaction Term," In Proceedings of the 18th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA. SGP-TR-145, January 26—28, 1993, pp. 279—284. LBL-33727.

G.S. Bodvarsson, M. J. Lippmann, and K. Pruess. 1993. "Geysers Reservoir Studies," paper presented at DOE Geothermal Program Review XI, Berkeley, CA, April 27—28, 1993. LBL-34245.

C.S. Wittwer, G. Chen and G.S. Bodvarsson. 1993. "Studies of the role of fault zones on fluid flow using the site-scale numerical model of Yucca Mountain,"High-Level Nuclear Waste Management, Proceedings of the Fourth International Conference, Las Vegas, Nevada, April 26—30, 1993. pp. 667—674. La Grange Park, Illinois: American Nuclear Society.

M. Arnould and G.S. Bodvarsson. 1994. France—Berkeley Workshop on Nuclear Waste Disposal, December 12—14, 1994. Berkeley, California: Lawrence Berkeley National Laboratory. LBL-37670, UC-400.

R. W. Zimmerman and G.S. Bodvarsson. 1994. "Approximating the imbibition and absorption behavior of a distribution of matrix blocks by an equivalent spherical block," High-Level Nuclear Waste Management, Proceedings of the Fifth International Conference, Las Vegas, Nevada, April 26—30, 1994. pp. 2030-2037. La Grange Park, Illinois: American Nuclear Society.

T. Hadgu, R. W. Zimmerman and G.S. Bodvarsson. 1994. "Theoretical studies of flow rates from slimholes and production-sized wells," In Proceedings of the 19th Workshop on Geothermal Reservoir Engineering at Stanford, Stanford University, Palo Alto, CA. SGP-TR-147, pp. 253—260. LBL-35263.

R.W. Zimmerman and G.S. Bodvarsson. 1994. Hydraulic Conductivity of Rock Fractures, Berkeley, California: Lawrence Berkeley National Laboratory. LBL-35976.

M. A. McGraw, G.S. Bodvarsson, L.E. Flint and A. L. Flint. 1994. Numerical modeling of lateral infiltration into the Paintbrush Tuff at Yucca Mountain, Nevada, Berkeley, California: Lawrence Berkeley National Laboratory. LBL-35389.

G.S. Bodvarsson, G. Chen, and C. Wittwer. 1994. "Preliminary analysis of three-dimensional moisture flow within Yucca Mountain, Nevada," High-Level Nuclear Waste Management, Proceedings of the Fifth International Conference, Las Vegas, Nevada, May 22—26 1994. pp. 2038—2047. La Grange Park, Illinois: American Nuclear Society.

R. Zimmerman, T. Hadgu and G.S. Bodvarsson. 1995. "A New Lumped-Parameter Approach to Simulating Flow Processes in Unsaturated Dual-Porosity Media," In Proceedings of the TOUGH Workshop ‘95, Berkeley, CA, pp. 259—265, Berkeley, California: Lawrence Berkeley National Laboratory. LBL-37200.

R.W. Zimmerman and G.S. Bodvarsson. 1995. "A Simple Procedure for Estimating the Effective Hydraulic Conductivity of a Two-Dimensional Saturated or Partly Saturated Fracture Network" High-Level Nuclear Waste Management,Proceedings of the Sixth International Conference, Las Vegas, Nevada, April 30—May5, 1995. pp. 2030-2037. La Grange Park, Illinois: American Nuclear Society.

Kwicklis, R.W. Healy, N. Lu and G.S. Bodvarsson. 1995. "Application of TOUGH to Hydrologic Problems Related to the Unsaturated Zone Site Investigation at Yucca Mountain, Nevada," In Proceedings of the TOUGH Workshop ‘95, Berkeley, CA, pp.335-344, Berkeley, California: Lawrence Berkeley National Laboratory. LBL-37200.

T. Hadgu, R. Zimmerman and G.S. Bodvarsson. 1995. "Coupling of the Reservoir Simulator TOUGH and the Wellbore Simulator WFSA," In Proceedings of the TOUGH Workshop ‘95, Berkeley, CA, pp. 84-90, Berkeley, California: Lawrence Berkeley National Laboratory. LBL-37200.

R.W. Zimmerman and G.S. Bodvarsson. 1995. Estimation of Hydraulic Conductivities of Yucca Mountain Tuffs from Sorptivity and Water Retention Measurements, Berkeley, California: Lawrence Berkeley National Laboratory. LBL-37492.

J. Wan, T. Tokunaga, C.F. Tsang and G.S. Bodvarsson. 1995. "Micro-Scale Studies of Unsaturated Flow in Fractured Media," High-Level Nuclear Waste Management, Proceedings of the Sixth International Conference, Las Vegas, Nevada, April 1995. pp. 2030-2037. La Grange Park, Illinois: American Nuclear Society.

C.F. Ahlers, T.M. Bandurraga, G. Chen, S. Finsterle, Y.S. Wu and G.S. Bodvarsson. 1995. Performance Analysis of the LBNL/USGS Three-Dimensional Unsaturated Zone Site-Scale Model, Yucca Mountain Project Milestone Report.

C. S. Wittwer, G. Chen, G.S. Bodvarsson, M. Chornack, A. L. Flint, L. E. Flint, E. Kwicklis and R. Spengler. 1995. Preliminary Development of the LBL/USGS three-dimensional site-scale model of Yucca Mountain, Nevada, Berkeley, California: Lawrence Berkeley National Laboratory. LBL-37356.

Z. Aunzo, G. Chen, C. Haukwa, G.S. Bodvarsson, A. Flint, L. Flint and E. Kwicklis. 1995. "Recent Development of the LBL/USGS Site-Scale Model of Yucca Mountain, Nevada," High-Level Nuclear Waste Management, Proceedings of the Sixth International Conference, Las Vegas, Nevada, April 1995. Vol, pp. 2030-2037. La Grange Park, Illinois: American Nuclear Society.

C.F. Ahlers, T.M. Bandurraga, G.S. Bodvarsson, G. Chen, S. Finsterle, and Y.S. Wu. 1995. "Summary of Model Calibration and Sensitivity Studies Using the LBNL/USGS Three-Dimensional Unsaturated Zone Site-Scale Model" Yucca Mountain Project Milestone Report.

G. Chen, C. Haukwa, G.S. Bodvarsson, and E. Kwicklis. 1995. "The Use of TOUGH2 for the LBL/USGS 3-Dimensional Site Scale Model of Yucca Mountain, Nevada," In Proceedings of the TOUGH Workshop ‘95, Berkeley, CA, pp. 84-90. Berkeley, California: Lawrence Berkeley National Laboratory. LBL-37200.

Y.S. Wu, G. Chen, and G.S. Bodvarsson. 1995. Preliminary Analysis of Effects of Thermal Loading on Gas and Heat Flow within the Framework of the LBNL/USGS Site-Scale Model. Berkeley, California: Lawrence Berkeley National Laboratory. LBL-37729, UC-814. 48 p.

R.W. Zimmerman and G.S. Bodvarsson. 1995. The Effect of Rock Fragments on the Hydraulic Properties of Soils, Berkeley, California: Lawrence Berkeley National Laboratory. LBNL-37018.

R.W. Zimmerman and G.S. Bodvarsson. 1995. Effective Transmissivity of Two-Dimensional Fracture Networks. Berkeley, California: Lawrence Berkeley National Laboratory. LBL-37332, UC-814. 19 p.

R.W. Zimmerman, T. Hadgu, and G.S. Bodvarsson. 1995. Transient Dual-Porosity Simulations of Unsaturated Flow in Fractured Rocks. Berkeley, California: Lawrence Berkeley National Laboratory. LBL-36807, UC-814. 109 p.

A.J.B. Cohen, K. Karasaki, S. Benson, G.S. Bodvarsson, B. Freifeld, P. Benito, P. Cook, J. Clyde, K. Grossenbacher, J. Peterson, R. Solbau, B. Thapa, D. Vasco, and P. Zawislanski. 1996. "Project Summary, Hydrogeologic Characterization of Fractured Rock Formations: A Guide for Groundwater Remediators." EPA Research and Development, EPA/600/S-96/001. Cincinatti, Ohio: U.S. Environmental Protection Agency.

Y.S. Wu, T.M. Bandurraga, C.F. Ahlers, S. Finsterle, G.Chen, C. Haukwa, G.S. Bodvarsson, E. Kwicklis, J. Rousseau, and L. Flint. 1996. "On Calibration of the UZ Site-Scale Model of Yucca Mountain," High-Level Nuclear Waste Management, Proceedings of the Seventh International Conference, Las Vegas, Nevada, April 29—May 3, 1996. pp. 73—75. La Grange Park, Illinois: American Nuclear Society.

G.S. Bodvarsson; T.M. Bandurraga and Y.S. Wu. 1996. "Development of the Unsaturated Zone Model in Fiscal Year 1996." In: G.S. Bodvarsson and T.M. Bandurraga, eds., Development and Calibration of the Three-Dimensional Site-Scale Unsaturated-Zone Model of Yucca Mountain, Nevada, Chapter 1. Yucca Mountain Project Level 3 Milestone OB02. Berkeley, California: Lawrence Berkeley National Laboratory. LBNL-39315.

G.S. Bodvarsson, S. Finsterle, and Y.S. Wu. 1996. "Temperature and Heat Flow Analysis." In: G.S. Bodvarsson and T.M. Bandurraga, eds., Development and Calibration of the Three-Dimensional Site-Scale Unsaturated-Zone Model of Yucca Mountain, Nevada, Chapter 9. Yucca Mountain Project Level 3 Milestone OB02. Berkeley, California: Lawrence Berkeley National Laboratory. LBNL-39315.

Y.S. Wu, T.M. Bandurraga, C.F. Ahlers, G. Chen, C. Haukwa, G.S. Bodvarsson,E. Kwicklis, J. Rousseau, L. Flint. 1996. "Calibration & Extension of the LBNL/USGS Three-Dimensional Site-Scale Model of Yucca Mountain, Nevada," prepared for the U.S Department of Energy.

G.S. Bodvarsson; T.M. Bandurraga, C. Haukwa, E. Sonnenthal, and Y.S. Wu. 1997. "Summary of the UZ Site-Scale Model for the Viability Assessment." In: G.S. Bodvarsson, T.M Bandurraga,. and Y.S Wu,. eds. The Site Scale Unsaturated Zone Model of Yucca Mountain, for the Viability Assessment, Chapter 1. Yucca Mountain Project Level 4 Milestone SP24UFM4; Berkeley, California: Lawrence Berkeley National Laboratory. LBNL-40376.

G.S. Bodvarsson, C. Shan, A. Htay, A. Ritcey, and Y.S. Wu. 1997. "Estimation of Percolation Flux from Temperature Data." In: G.S. Bodvarsson, T.M. Bandurraga, and Y.S. Wu, eds. The Site-Scale Unsaturated-Zone Model of Yucca Mountain, Nevada, for the Viability Assessment, Chapter 11. Yucca Mountain Project Level 4 Milestone SP24UFM4, Berkeley, California: Lawrence Berkeley National Laboratory. LBNL-40376.

G.S. Bodvarsson and T.M. Bandurraga. 1997. "Conceptual Model of Flow and Transport at Yucca Mountain." In G.S. Bodvarsson, T.M. Bandurraga, and Y.S. Wu, eds., The Site-Scale Unsaturated Zone Model of Yucca Mountain, Nevada, for the Viability Assessment, Chapter 2. Yucca Mountain Project Level 4 Milestone SD24UFM4. Berkeley, California: Lawrence Berkeley National Laboratory. LBNL-40376.

G.S. Bodvarsson; E.L. Sonnenthal and Y.S. Wu. eds. 1998. Unsaturated Zone Flow and Transport Modeling of Yucca Mountain, Nevada—Fiscal Year 1998 Report. Yucca Mountain Project Milestone SP3CKJM4. Berkeley, California: Lawrence Berkeley National Laboratory. Document ID# BAB000000-01717-2200-00016.

G.S. Bodvarsson. 1998. "Summary of Unsaturated Zone Flow and Transport Modeling — FY 1998." In: G.S. Bodvarsson, E.L. Sonnenthal and Y.S. Wu. eds. Unsaturated Zone Flow and Transport Modeling of Yucca Mountain, Nevada—Fiscal Year 1998 Report, Chapter 1. Yucca Mountain Project Milestone SP3CKJM4. Berkeley, California: Lawrence Berkeley National Laboratory. Document ID# BAB000000-01717-2200-00016.

T.M. Bandurraga, and G.S. Bodvarsson. 1998. "New Field Data/Conceptual Model Update." In: G.S. Bodvarsson, E.L. Sonnenthal and Y.S. Wu. eds. Unsaturated Zone Flow and Transport Modeling of Yucca Mountain, Nevada—Fiscal Year 1998 Report, Chapter 3. Yucca Mountain Project Milestone SP3CKJM4. Berkeley, California: Lawrence Berkeley National Laboratory. Document ID# BAB000000-01717-2200-00016.

C. Haukwa, Y.S. Wu, J.J. Hinds, W. Zhang, A.C. Ritcey, L. Pan, A.M. Simmons, and G.S. Bodvarsson 1998. Results of Sensitivity Studies of Thermo-Hydrologic Behavior Conducted on Hydrologic Parameter Sets. Yucca Mountain Project Level 4 Milestone Report SP3CK5M4. Berkeley, California: Lawrence Berkeley National Laboratory.

J. Li, G.S. Bodvarsson; and C. Doughty. 1998. A New 3D Particle Tracking Algorithm for Prediction of Radionuclide Transport. Lawrence Berkeley National Laboratory Report. Berkeley, California: Lawrence Berkeley National Laboratory. LBNL-42337.

H.H. Liu, and G.S. Bodvarsson. 1998. "A Fracture-Matrix Interaction Model."In: G.S. Bodvarsson, E.L. Sonnenthal and Y.S. Wu. eds. Unsaturated Zone Flow and Transport Modeling of Yucca Mountain, Nevada—Fiscal Year 1998 Report,Chapter 8. Yucca Mountain Project Milestone SP3CKJM4. Berkeley, California: Lawrence Berkeley National Laboratory. Document ID# BAB000000-01717-2200-00016.

H. H. Liu, and G.S. Bodvarsson. 1998. "UZ Model Property Set." In: G.S. Bodvarsson, E.L. Sonnenthal, and Y.S. Wu, eds., Unsaturated Zone Flow and Transport Modeling of Yucca Mountain, Nevada —Fiscal Year 1998 Report, Chapter 9. Yucca Mountain Project Milestone SP3CKJM4. Berkeley, California: Lawrence Berkeley National Laboratory. Document ID# BAB000000-01717-2200-00016.

M. Cushey, Y.S. Wu, and G.S. Bodvarsson. 1998. "Fine Grid Cross-Sectional Model with Heterogeneous Properties." In: G.S. Bodvarsson, E.L. Sonnenthal and Y.S. Wu. eds. Unsaturated Zone Flow and Transport Modeling of Yucca Mountain, Nevada—Fiscal Year 1998 Report, Chapter 11. Yucca Mountain Project Milestone SP3CKJM4. Berkeley, California: Lawrence Berkeley National Laboratory. Document ID# BAB000000-01717-2200-00016.

Y.S. Wu, J. Hinds, W. Zhang, C. Haukwa, and G.S. Bodvarsson. 1998. "Calico Hills and Perched-Water Models." In: G.S. Bodvarsson, E.L. Sonnenthal and Y.S. Wu. eds. Unsaturated Zone Flow and Transport Modeling of Yucca Mountain, Nevada—Fiscal Year 1998 Report, Chapter 13. Yucca Mountain Project Milestone SP3CKJM4. Berkeley, California: Lawrence Berkeley National Laboratory. Document ID# BAB000000-01717-2200-00016.

Y.S. Wu, W. Zhang, A.C. Ritcey, L.H. Pan, and G.S. Bodvarsson. 1998. "3-D Simulation Using the UZ Flow and Transport Model." In: G.S. Bodvarsson, E.L. Sonnenthal and Y.S. Wu. eds. Unsaturated Zone Flow and Transport Modeling of Yucca Mountain, Nevada—Fiscal Year 1998 Report, Chapter 17. Yucca Mountain Project Milestone SP3CKJM4. Berkeley, California: Lawrence Berkeley National Laboratory. Document ID# BAB000000-01717-2200-00016.

A.C. Ritcey, E.L. Sonnenthal, Y.S. Wu, C. Haukwa, R. Hedegaard, and G.S. Bodvarsson. 1998. "Summary of Model Predictions for the Enhanced Characterization of the Repository Block." In: G.S. Bodvarsson, E.L. Sonnenthal and Y.S. Wu. eds. Unsaturated Zone Flow and Transport Modeling of Yucca Mountain, Nevada—Fiscal Year 1998 Report, Chapter 19. Yucca Mountain Project Milestone SP3CKJM4. Berkeley, California: Lawrence Berkeley National Laboratory. Document ID# BAB000000-01717-2200-00016.

A.C. Ritcey, Y.S. Wu, E.L. Sonnenthal, C. Haukwa, and G.S. Bodvarsson. 1998.Predictions of Ambient Conditions Along the East-West Cross Drift Using the 3-D UZ Site-Scale Model. Yucca Mountain Project Level 4 Milestone SP33AAM4. Berkeley, California: Lawrence Berkeley National Laboratory.

Y.S. Wu, C.F. Ahlers, C. Haukwa, A. Ritcey, E.L. Sonnenthal and G.S. Bodvarsson. 1998. "The 3-D UZ Site-Scale Model — Calibrations and Predictions." High-Level Nuclear Waste Management, Proceedings of the Eighth International Conference, Las Vegas, Nevada, May 11—14, 1998. pp. 44—46. La Grange Park, Illinois: American Nuclear Society.

E.L. Sonnenthal and G.S. Bodvarsson. 1998. "Percolation Flux Estimates from Geochemical and Thermal Modeling." High-Level Nuclear Waste Management,Proceedings of the Eighth International Conference, Las Vegas, Nevada, May 11—14, 1998. pp. 130—132. La Grange Park, Illinois: American Nuclear Society.

S.J. Altman, M.L. Wilson and G.S. Bodvarsson. 1998. "Capturing Uncertainty in Unsaturated-Zone Flow using Different Conceptual Models of Fracture-Matrix Interaction" High-Level Nuclear Waste Management, Proceedings of the Eighth International Conference, Las Vegas, Nevada, May 11—14, 1998. pp. 384—386 La Grange Park, Illinois: American Nuclear Society.

Y.S. Wu, A.C. Ritcey, C.F. Ahlers, J.J. Hinds, A.K. Mishra, C. Haukwa, H.H. Liu, E.L. Sonnenthal, and G.S. Bodvarsson. 1998. 3-D UZ Site-Scale Model for Abstraction in TSPA-VA. Yucca Mountain Project Level 4 Milestone SLX01LB3. Berkeley, California: Lawrence Berkeley National Laboratory.

Y.S. Wu, C. Haukwa, J.J. Hinds, A.C. Ritcey, H.H. Liu, L. Pan H.; M. Cushey, W. Zhang, A.K. Mishra, E.L. Sonnenthal, and G.S. Bodvarsson. 1998. Letter Report: PTn and CHn Lateral Flow Model. Yucca Mountain Project Level 4 Milestone SP3CKFM4. Berkeley, California: Lawrence Berkeley National Laboratory.

E. Kwicklis, G.S. Bodvarsson, and A. Flint. 1998. "Conceptual Model of Yucca Mountain." USGS Water Resources Investigation Report (in preparation).

G.S. Bodvarsson. 2000. "High-Enthalpy Systems in the United States." In Proc.World Geothermal Congress, 2000. New Energy and Industrial Technology Development Organization (NEDO): Tokyo, Japan. May 28-30, 2000. LBNL-46024.

G.S. Bodvarsson. 2000. "Modeling and Monitoring of Geothermal Systems." In Proc. World Geothermal Congress, 2000. New Energy and Industrial Technology Development Organization (NEDO): Tokyo, Japan. May 28-30, 2000. LBNL-46023.

L. Pan, H.H. Liu, M. Cushey, and G.S. Bodvarsson. 2000 DCPT V1.0 — New Particle Tracker for Modeling Transport in Dual Continua Media User’s Manual.Berkeley, California: Lawrence Berkeley National Laboratory. LBNL-42958.

B. Steingrimsson, G.S. Bodvarsson, E. Gunnlaugsson, G. Gislason, and O. Sigurdsson. 2000. "Modeling Studies of the Nesjavellir Geothermal Field, Iceland." In Proc. World Geothermal Congress, 2000. New Energy and Industrial Technology Development Organization (NEDO): Tokyo, Japan. May 28-30, 2000.

L. Pan, J. Hinds, C. Haukwa, Y-S. Wu, G.S. Bodvarsson. 2001. WinGridder — An Interactive Grid Generator for TOUGH Version 1.0 (User’s Manual).

Y.S. Wu, L. Pan, J. Hinds, and G.S. Bodvarsson. 2001. "Modeling Capillary Barrier Effects in Unsaturated Fractured Tuffs" High-Level Nuclear Waste Management, Proceedings of the Ninth International Conference, Las Vegas, Nevada, April 29-May 3, 2001. La Grange Park, Illinois: American Nuclear Society.

J. Houseworth, G. Moridis, and G.S. Bodvarsson. 2001. "The effects of the drift shadow on radionuclide transport." High-Level Nuclear Waste Management,Proceedings of the Ninth International Conference, Las Vegas, Nevada, April 29-May 3, 2001. La Grange Park, Illinois: American Nuclear Society.

J.J. Hinds and G.S. Bodvarsson. 2001. "Role of fractures in processes effecting potential repository performance." High-Level Nuclear Waste Management,Proceedings of the Ninth International Conference, Las Vegas, Nevada, April 29-May 3, 2001. La Grange Park, Illinois: American Nuclear Society.