Yvonne Tsang

PUBLICATIONS

• Papers in Refereed Journals
• Invited Talks
• Peer-reviewed Technical Reports and Conference Proceedings

Papers  in Refereed Journals
(First four references published under maiden name Tung)

1. "On the cooperativity of biological membranes,” J. P. Changeux, J. Thiery, Y. Tung and C. Kittel, Proc. Nat. Acad. Sci., 57,  335, 1967.

2. “The effect of range in the s-f coupling on the relaxation rate of 1/T1,” Y. Tung, J.Phys. Chem. Solids 29, 1823, 1968.

3. “Optical properties, band structure, and superconducting properties of SnTe and GeTe,” M. L. Cohen, Y. Tung and P. B. Allen, J. de Physique 29, C4-163, 1968.

4. “The fundamental energy gap in SnTe and PbTe” Y. Tung and M. L. Cohen, Phys. Lett. 29A, 236, 1969.

5. “Relativistic band structure and electronic properties of SnTe, GeTe and PbTe,” Y. W. Tsang and M. L. Cohen, Phys. Rev. 180(3),  823, 1969.

6. “Band ordering in PbTe,” Y. W. Tsang and M. L. Cohen, Solid State Comm. 9, 261, 1971.

7. Theory of the electronic structure of some IV-VI semiconductors, M. L. Cohen and Y. W. Tsang, Conference: Physics of Semimetals and Narrow Gap Semiconductors, Carter and Bates (eds.), Pergamon Press, Oxford and New York, 1971.

8. “Calculation of the temperature dependence of the energy gaps in PbTe and SnTe,'' Y. W. Tsang and M. L. Cohen, Phys. Rev. B3, 1254, 1971.

9. “Electronic charge density in PbTe,”  Y. W. Tsang and M. L. Cohen, Solid State Comm., 10,  871, 1972.

10. “Wavelength modulation spectra of single crystals of Silver and gold,” J. Stokes, Y. R. Shen, Y. W. Tsang, M. L. Cohen, and C. Y. Fong, Phys. Let. 38A, 347, 1972.

11. “Electronic band structure and optical properties of PbTe, PbSe and PbS,” S. E. Kohn, P. Y. Yu, Y. Persoff, Y. R. Shen, Y. W. Tsang and M. L. Cohen, Phys. Rev.B 8, 1477, 1973.

12. “Pseudopotential study of bonding in the zinc-blende and rocksalt structures,” Y.W. Tsang and M. L. Cohen , Phys. Rev. , B9, 3541, 1974.

13. “Calculation of the lattice structure on stepped surface of Ar and NaCl,”Y. W. Tsang and L. M. Falicov, Phys. Rev., B12, 2441, 1975.

14. “Steric properties of the transition-metal ions in stepped surfaces,” Y. W. Tsang and L. M. Falicov, J. Phys. C.9, 51, 1976.

15. “Phenomenological theory of the activation energy of hydrocarbon reactions on catalytic stepped platinum surfaces,” Y. W. Tsang and L. M. Falicov, J. of Molecular Catalysis 3, 351, 1977/1978.

16. “Conductivity reduction study for graphite - A tightbinding calculation for neon intercolated graphite,” Y. W. Tsang, Synthetic Metals, 1981. 

17. “Hydromechanical behavior of a deformable rock fracture subject to normal stress,” Y. W. Tsang and P. A. Witherspoon, J. of Geophysical Research 86, B10, pp. 9287-9298, 1981.

18. “Theoretical and laboratory investigations of flow through fractures in crystalline rock,” P. A. Witherspoon, D. J. Watkins and Y. W. Tsang, Advances in the Science and Technology of the Management of High Level Nuclear Waste, I, 65-83, 1981.

19. “Model studies of oxygen intercalated graphite,” A. M. Butkus, C. Y. Yang, Y. W. Tsang and C. Y. Fong, Physical Review, B26, 6853, 1982.

20. “The dependence of fracture mechanical and fluid flow properties on fracture roughness and sample size,”  Y. W. Tsang and P. A. Witherspoon, J. of Geophysical Research, 88(B3), 2359-2366, 1983.

21. “The effect of tortuosity on fluid flow through a single fracture,” Y. W. Tsang, Water Resources Research 20(9) , 1209-1215, 1984.

22. “Channel model of flow through fractured media,” Y. W. Tsang and C. F. Tsang, Water Resources Research, 23(3), 467-479, 1987.

23. “A study of thermally induced convection near a high-level nuclear waste repository in partially saturated fractured tuff,” Y. W. Tsang and K. Pruess, Water Resources Research 23(10), 1958-1966, 1987.

24. “Flow and tracer transport in fractured media-A variable aperture channel model and its properties,” Y. W. Tsang, C. F. Tsang, I. Neretnieks and L. Moreno, Water Resources Research, 24(12), 2049-2060, 1988.

25. “Flow and tracer transport in a single fracture:  A stochastic model and its relation to some field observation,” L. Moreno, Y. W. Tsang, C. F. Tsang, F. H. Hale and I. Neretnieks, Water Resources Research, 24 (12), 2033-2048, 1988.

26. “Flow channeling in a single fracture as a two-dimensional strongly heterogeneous permeable medium,” Y. W. Tsang and C. F. Tsang, Water Resources Research, 25 (9) , 2076-2080, 1989.

27. “On thermohydrological conditions near high-level nuclear wastes emplaced in partially saturated fractured tuff Part 1. Simulation studies with explicit consideration of fractured effects,'' K. Pruess, J. S. Y. Wang, and Y. W. Tsang, Water Resources Research 26 (6), 1235-1248, 1990.

28. On thermohydrological conditions near high-level nuclear wastes emplaced in partially saturated fractured tuff. Part 2. Effective continuum approximation,” K. Pruess, J. S. Y. Wang, and Y. W. Tsang, Water Resources Research, 26 (6), 1249-1261, 1990.

29. “Some anomalous features of flow and solute transport arising from fracture aperture variability,” L. Moreno, C. F. Tsang, Y. W. Tsang and I. Neretnieks, Water Resources Research, 26(10), 2377-2391, 1990.

30. “On the potential importance of transient air flow in advective radon entry into buildings,'' T. N. Narasimhan, Y. W. Tsang and H. Y. Holman, Geophys. Res. Letters, 17(6), 821-824, 1990.

31. “On two-phase relative permeability and capillary pressure of rough walled rock fractures,” K. Pruess and Y. W. Tsang,Water Resources Research, 26 (9), 1915-1926, 1990.

32. “Reply to comments by Goode and Shapiro,” Water Resources Research, 27 (1), 133-134, 1991.

33. “Tracer transport in fractures:  Analysis of field data based on a variable-aperture channel model,” C. F. Tsang, Y. W. Tsang and F. V. Hale, Water Resources Research, 27 (12) ,  3095-3106, 1991.

34. “Usage of ‘Equivalent Apertures’ for rock fractures as derived from hydraulic and tracer tests,” Y. W. Tsang, Water Resources Research, 28(5), 1451- 1455, 1992.

35. “Effects of periodic atmospheric pressure variation on radon entry into buildings,”  Y. W. Tsang and T. N. Narasimhan, Journal of Geophysical Research, 97 (B6),  9161-9170, 1992.

36. “A variable-aperture fracture network model for flow and transport in fractured rocks,” A. W. Nordqvist, Y. W. Tsang, C. F. Tsang, B. Dverstorp,  J. Andersson, Water Resources Research, 28 (6),  1703-1713, 1992.

37. “Study of alternative tracer tests in characterizing transport in fractured rocks,” Y.W. Tsang, Geophysical Research Letters, 22(11), 1421-1424, 1995.

38.  “Effects of  soil moisture on biodegradation of petroleum hydrocarbons,”  H.Y. Holman and Y. W. Tsang, Third International In situ and on-site bioreclamation symposium 3(2), In Situ Aeration: Air Sparging, Bioventing, and Related Remediation Processes, p.323-332, in R.E. Hinchee, R.L. Miller, and P.C. Johnson(Eds.), Battelle Press, Columbus, OH, 1995.

39. “Effects of high variance of fracture transmissivity on transport and sorption at different scales in a discrete model  for fractured rocks”,  A. W. Nordqvist, Y. W. Tsang, C. Tsang, B. Dverstorp, J. Anderson, Journal of Contaminant Hydrology 22 (1-2), 39-66, 1996.

40. “Tracer transport in a stochastic continuum model of fractured media”, Y.W. Tsang, C.F.Tsang, F.V. Hale, and B. Dverstorp, Water Resources Research, 32 (10), 3077-3092, 1996.

41. “Mineralization of sparsely water soluble polycyclic aromatic hydrocarbon in a water table fluctuation zone” H. -Y. N. Holman, Y.W. Tsang, and W. R. Holman, Environ. Sci. Technol., 33 (1819-1924),  1999.

42. “ Predictions and observations of the thermal-hydrological conditions in the Single Heater Test at Yucca Mountain at Yucca Mountain”, Y. W.  Tsang and J. T.  Birkholzer, Journal of Contaminant Hydrology (38), 385-425, 1999.

43. “Modeling studies and analysis of seepage into Drifts at Yucca Mountain”, J.T. Birkholzer, G. Li,  C.F. Tsang, Y.Tsang, Journal of Contaminant Hydrology (38), 349-384, 1999.

44. "Simultaneous inversion of air-injection tests in fractured unsaturated tuff at Yucca Mountain”, K. Huang, Y.W. Tsang, and G.S. Bodvarsson, Water Resour. Res., 35(8), 2375-2386, 1999.

45. “A field test for understanding thermally driven coupled processes partially saturated fractured welded tuff ”, Y. W Tsang, International Journal of Rock Mechanics and Mining Sciences, 37(1-2), 337-356, 2000.

46. “Modeling the thermal-hydrologic processes in a large-scale underground heater test in partially saturated fractured tuff”, J. Birkholzer and Y. W. Tsang, Water Resour. Res., 36(6), 1431-1448, 2000.

47. “A particle-Tracking method for advective transport in fractures with diffusion into finite matrix blocks”, Y.W. Tsang and C. F. Tsang, Water Resources Research 37(3), 831-836, 2001.

48. Mukhopadhyay S. and Y.W. Tsang , 2002. “Understanding the anomalous temperature data from the Large Block Test at Yucca Mountain”, Water Resources Research 38 (10), 1210-1221.

49. Mukhopadhyay S. and Y.W. Tsang , 2003. “Uncertainties in coupled thermal-hydrological processes associated with the Drift Scale Test at Yucca Mountain, Nevada.”, Journal of Contaminant Hydrology,62-63, 595-612. LBNL-49872

50. Haukwa, C. B., Y.W. Tsang, Y.-S. Wu and G.S. Bodvarsson, 2003. “Effect of heterogeneity in fracture permeability on the potential for liquid seepage into a heated emplacement drift of the potential repository”, Journal of Contaminant Hydrology,62-63, 509-527. LBNL-51355

51. Cook, P. J.; R. Salve, R.; B. M. Freifeld, and Y. T. Tsang. 2003. A measurement system for systematic hydrological characterization of unsaturated fractured welded tuff in a mined underground tunnel, Groundwater 41: 449-457. LBNL-48163

52. Birkholzer, J., S. Mukhophadhyay, Y.W. Tsang. 2004. Modeling Seepage into Heated Waste Emplacement Tunnels in Unsaturated Fractured Rock, Vadose Zone Journal 3, 819-836.

53. Birkholzer, J., S. Mukhophadhyay, Y.W. Tsang. 2004. The Impact of Preferential Flow on the Vaporization Barrier above Waste Emplacement Drifts at Yucca Mountain Nuclear Technology 148, 138-150.

54.  Rutqvist, J., D. Barr, R. Datta, A. Gens, A. Millard, S. Olivella, C.-F. Tsang and Y. Tsang. 2005. Coupled Thermal-hydrological-mechanical analyses of the Yucca Mountain Drift Scale Test – Comparison of field measurements to predictions of four different numerical modesl. Int. J. of Rock Mechanics and Mining Sciences, 42, 5-6.

Invited Talks
(does not include numerous contributed meeting presentations)

1. “Channel model of flow through fractured media,” Seminar presented at the Royal Institute of Technology of Stockholm, Stockholm, Sweden, April 1986.

2. “Channel model of flow through fractured media,” Seminar presented at the Swiss Federal Institute for Reactor Research, Wurenlingen, Switzerland, July 1986.

3.  “Multi-phase flow and heat flow in unsaturated fractured porous media,” and “Channel model of fluid flow through fractured media,” two part seminar given at  Ecole des Mines de Paris, Fontainbleau, France, July 1986.

4. “Interpretation of tracer tests in fractured media based on channel model,” Invited 40-minute talk for the American Association of Petroleum Geologists Research Conference on Analysis of Naturally Fractured Reservoirs, May 1987.

5. “Understanding and interpretation of tracer data from fractured media based on the channel model,” Seminar at Stanford University, January 1988.

6. “Understanding Stripa 3D data,” Invited talk, INTRAVAL Workshop, Helsinki, Finland, June 1989.

7. “Modeling radon transport from soil to house,” Invited Talk, VTT (Technical Research Center of Finland), Helsinki, Finland, June 1989.

8. “Tracer transport in fractured systems,”  Invited Talk, Workshop on Flow and Transport through Unsaturated Fractured Rock, Tucson, AZ, January 1991.

9. “Modeling 2-phase unsaturated non-isothermal flow” and “Tracer transport in (saturated) fractures,” USGS Yucca Mountain Project Colloquium, February 1991.

10. "The role of fault zones in affecting multiphase flow at Yucca Mountain, Invited Talk, International High Level Radioactive Waste Management Conference, Las Vegas, NV, April 1993.

11. “Heat driven multiphase flow in partially saturated fractured-porous medium”,  Invited speaker for Conference on Transport in Fractured Media, Weizmann Institute, Rehovot, Israel, June 28, 1993.

12. “Heat driven multiphase flow in partially saturated fractured-porous medium”,  Seminar, Technion-Israel Institute of Technology, Haifa, Israel, June 1993.

13. “ Overview of medium heterogeneity and transport processes”, Invited speaker for the International Workshop on Research and Development of Geological Disposal, Tokai, Japan, November 1993.

14. “Stochastic continuum hydrological site model for the Aspo Island”, Invited talk for the SITE-94 Workshop, Stockholm, Sweden, May 1994.

15. “A study of alternative tracer tests in characterizing transport in fractured rocks”,  Invited Talk, Chapman conference on Aqueous phase and multiphase transport in fractured rock, Burlington, Vermont, September 1994.

16. “Characterizing flow and transport in fractured rocks - A stochastic continuum approach,” Invited Talk, Evans Workshop, Phoenix, Arizona, January, 1995.

17. “Characteristics of flow and transport in highly heterogeneous media - A theoretical study,” Invited Talk, Nuclear Waste Technical Review Hydrology and Geochemistry panel meeting, San Francisco, June 27, 1995.

18.  “Coupled Thermohydrological Processes”, Research Center for Eco-Environmental Sciences, Academia Sinica, Beijing, China, October 6, 1995.

19. “Biodegradation of petroleum hydrocarbon in vadose soils”, Invited Talk,  Research Center for Eco-Environmental Sciences, Academia Sinica, Beijing, China, October 9, 1995.

20. “Multi-phase heat driven processes at Yucca Mountain”, Invited Talk,  China National Nuclear Corporation, Beijing, China, October 10, 1995.

21. “Numerical modeling of flow and transport in heterogeneous media”, Invited Talk, Institute of Systems Science, Academia Sinica, Beijing, China, October 12, 1995.

22. “Flow and transport in Fractures”, Seminar, China University of Geosciences, Wuhan, China, October 17, 1995.

23. “Bioremediation Research”,  Seminar, China University of Geosciences, Wuhan, China, October 18, 1995.

24. “Natural and Accelerated Bioremediation Research”, East China University of Science and Technology, Shanghai, China, October 25, 1995.

25. “Tracer transport in a stochastic continuum model of fractured media”, invited talk in Field experiments for testing groundwater flow and transport model,  American Geophysical Union Meeting, San Francisco, December 14, 1995.

26. “Exploratory Studies Facility thermal tests at Yucca Mountain”, invited talk in Nuclear waste disposal issues: hydrological field testing and site evaluation, American Geophysical Union Meeting, San Francisco, December 12, 1997.

27. “Understanding thermally driven coupled processes in partially saturated fractured tuff (heater tests)”, invited talk at the Neville G.W. Cook Conference, Berkeley, California October 16, 1998.

28. “Role of fractures at different scales in underground heater experiments” invited talk at the International Symposium on Dynamics of Fluid in Fractured rocks,  Berkeley, California, February 10-12, 1999.

29. “Strongly heat-driven hydrological processes in unsaturated fractured rock: Modeling of field experiments”, invited talk at the Fourth USA/CIS Joint Conference on Environmental Hydrology and Hydrogeology, San Francisco, California, November 7-10, 1999.

30. “Underground hydrological experiments in the unsaturated zone to characterize heterogeneous fractured welded tuff”, invited talk at the International Symposium on hydrogeology and the environment, Wuhan, China, October 16-20, 2000.

31. “Hydrological characterization and performance assessment”, invited talk at Beijing Research Institute of Geology, Beijing, China, October 12, 2000.

32. “Understanding Thermally Driven Coupled Processes (THMC) in Unsaturated Rock:  Conducting and Modeling of an Underground Heater Test”, invited seminar at China University of Geosciences, Wuhan, China, October 2000.

33. “Lessons learned from Yucca Mountain Site Characterization Strategy”, invited seminar to the Swedish Power Inspectorate at Johannesbergs Slott, Sweden, November 2001.

34. “Drift Scale Test Current Status”, invited talk at the Nuclear Regulatory Commission, Washington DC, February 27, 2002.

35. “Understanding Isothermal and Non-Isothermal flow in Partially Saturated Fractured Porous Media through Field Tests and Modeling”, keynote lecture at the International Groundwater Symposium, Berkeley, California, March 25-29, 2002.

36. “Hydrogeological  Research on Issues of National Concern”, invited talk at the Workshop on Strategies for Hydrogeologic Studies in the 21st Century, Wuhan, China, November 17-20, 2002

37. “Effect of coupled processes driven by the radioactive decay heat on the performance of the proposed repository at Yucca Mountain” presented at the Geological Society of America annual meeting, Seattle, Washington November 2-5, 2003 (abstract LBNL 53429).

38. Panelist in GeoProc 2003, International Conference on Coupled T-H-M-C Process in Geo-systems: Fundamentals, Modelling, Experiments & Applications. October 13-15, 2003 Stockholm, Sweden.

39. “Site Specific Modeling Approach”, invited lecture at Beijing Research Institute of Uranium Geology, May 10, 2004

40. “Flow and transport modeling tools”, invited lecture at Beijing Research Institute of Uranium Geology, May 12-13, 2004

41. “Science and Technology Natural Barriers Thrust Area, Saturated Zone Flow and Transport”, invited presentation to the Nuclear Waste Technical Review Board, Las Vegas,  September 7, 2005.

42. “Science and Technology Natural Barriers Thrust Area”, invited presentation to the Advisory Committee on Nuclear Waste, Nuclear Regulatory Commission, Rockville, Maryland, March 23, 2006.

43. “Office of Science and Technology and International Natural Barriers Thrust Overview”, International High Level Waste Management Meeting, Las Vegas, Nevada, May 1, 2006.
“Underground Testing for Site Characterization”, invited lecture at Tongji University, Shanghai, China, May 30, 2006.

44. “Flow and transport in fractured rocks”, invited lecture at Beijing Research Institute of Uranium Geology, Beijing, China, June 1, 2006.

1. “The electronic structure of IV-VI semiconductors,” Ph.D. thesis University of California, Berkeley, CA, 1970.

2.  “An analytic study of geothermal reservoir pressure response to cold water reinjection,” Y. W. Tsang and C. F. Tsang,  Proc. 4th Annual Workshop on Geothermal Reservoir Engineering,  Stanford University, Stanford, CA, December 1978.

3.  “New approaches to problems of fluid flow in fractured rock mass,” P. A. Witherspoon, Y. W. Tsang, J. C. S. Long and J. Noorishad, Proc., 22nd U.S. Symposium on Rock Mechanics, M.I.T., p. 1, 1981.

4.  “Correlation between fracture roughness characteristics and fracture mechanical and fluid flow properties,” Y. W. Tsang and P. A. Witherspoon, Proc., 23rd U.S. Symposium of Rock Mechanics, U.C. Berkeley, pp. 560-567, 1982.

5. “Effect of fracture roughness on fluid flow through a single deformable fracture,” Y. W. Tsang and P. A. Witherspoon, Proc., IAH 17th International Congress on the Hydrogeology of Rocks of Low Permeability, University of Arizona, pp. 683-694, 1985.

6. “Modeling of strongly heat driven flow in partially saturated fractured porous media,” K. Pruess, Y. W. Tsang and J. S. Y. Wang, Proc., IAH 17th International Congress on the Hydrogeology of Rocks of Low Permeability, University of Arizona, pp. 486-497, 1985.

7. “Effective continuum approximation for modeling fluid and heat flow in fractured porous tuff,” Rep. SAND 86-7000, Albuquerque, NM, 1987.

8. “Channeling characteristics of flow  and solute transport through a rough-surfaced fracture,” Y. W. Tsang, C. F. Tsang, F. V. Hale, L. Moreno and I. Neretnieks, Report LBL-23195, Lawrence Berkeley Laboratory, Berkeley, California, 1987.

9. “Flow and solute transport in a single fracture. A two-dimensional statistical model” L. Moreno, Y. Tsang. C.F. Tsang, I. Neretnieks, SKB Technical Report 88-03, Swedish Nuclear Fuel and Waste Management Co., Stockholm, Sweden, 1988.

10. “Preliminary studies of gas phase flow effects and moisture migration at Yucca Mountain, Nevada,” Y. W. Tsang and K. Pruess, Project rep. SLTR89-7010, Sandia National Laboratory, Albuquerque, New Mexico, 1988.

11. “Channel flow in single fractures” Y. Tsang and C. Tsang, Proc., Second Berkeley Symposium on Topics in Petroleum Engineering, Berkeley, California, pp. 43-46, 1988.

12. ‘‘Tracer transport in fractured rocks” C. F. Tsang, Y. W. Tsang and F. Hale, Proc. International Conference on Fluid Flow in Fractured Rocks, pp. 251-266, Atlanta, Georgia, May 15-18, 1988.

13. “A study of the application of mercury porosimetry method to a single fracture,” Y. W. Tsang and F. V. Hale,  Proc. International Conference on Fluid Flow in Fractured Rocks, pp. 267-283, Atlanta, Georgia, May 15-18, 1988.

14. “On relative permeability of rough-walled fractures,” K. Pruess and Y. W. Tsang, in the Proc. 14th Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, CA, Jan. 24-26, 1989.

15. “Preliminary studies of gas phase flow effects and moisture migration at Yucca Mountain, Nevada,” Y.W. Tsang and K. Pruess, Report LBL-28819, Lawrence Berkeley Laboratory , Berkeley, CA, 1989.

16. “Permeability and dispersivity of variable-aperture fracture system,” Y. W. Tsang and C. F. Tsang, Proc. International Meeting on High Level Radioactive Waste Management, 2, pp. 544-550, Las Vegas, Nevada, 1990. (LBL -28335)

17. “Hydrological characterization of variable aperture fractures,” Y. W. Tsang and C. F. Tsang, Proc. International Symposium on Rock Joints, pp. 423-431, Loen, Norway, 1990.

18. “Further modeling studies of gas movement and moisture migration at Yucca Mountain, Nevada,” Y. W. Tsang and K. Pruess, Report LBL 29127, Lawrence Berkeley Laboratory Berkeley, CA, 1990.

19. “Tracer transport in fractures: Analysis of field data based on a variable-aperture channel model” C.F.Tsang, Y.W.Tsang and F.V. Hale, SKB Technical Report 91-24, Swedish Nuclear Fuel and Waste Management Co., Stockholm, Sweden, 1991.

20. “Effects of periodic atmospheric pressure variation on radon entry into buildings,” Y. W. Tsang and T. N. Narasimhan, Report LBL 31164, Lawrence Berkeley Laboratory,  Berkeley, California, 1991.

21. “A variable-aperture fracture network model for flow and transport in fractured rocks at different scales,”  A. W. Nordqvist, Y. W. Tsang, C. F. Tsang, B. Dverstorp, and J. Andersson,  Preprint,  Fractured and Jointed Rock Masses International Conference, Lake Tahoe, California, June 3-5, 1992.

22. “The role of fault zones in affecting multiphase flow at Yucca Mountain”, Report LBL-33661, Lawrence Berkeley laboratory, Berkeley,  California, 1993.

23. “Modeling of strongly heat-driven flow processes at a potential high-level nuclear waste repository at Yucca Mountain.” Report LBL-33597, Lawrence Berkeley Laboratory, Berkeley, California, 1993.

24. “Overview of medium heterogeneity and transport processes,” Y. Tsang and C. F. Tsang, Proceedings of the International Workshop on Research and Development of Geological Disposal, Tokai, Japan, November 15-19,1993; Report LBL-35166, Lawrence Berkeley Laboratory, California, 1993.

25. “Thermal modeling for a potential high-level nuclear waste repository at Yucca Mountain, Nevada, ” K. Pruess and Y. Tsang, Report LBL-35381,  Lawrence Berkeley Laboratory, Berkeley, California, 1994.

26. “Discriminating effects of heterogeneity and matrix diffusion by alternative tracer designs, ” Y. Y. W. Tsang, Report LBL-36831, Lawrence Berkeley Laboratory, Berkeley, California, 1995.

27. “Effect of moisture on mineralization of petroleum hydrocarbons in silt loam”, H.Y. Holman, Y.W. Tsang and V.A. Wolff, Technical Report LBL- 36993, Lawrence Berkeley National Laboratory, Berkeley, CA, 1995.

28. “Design, Modeling and Current Interpretations of the H-19 and H-11 Tracer Tests at the WIPP Site”, L.C. Meigs, R.L. Beauheim, J.T. McCord, Y.W. Tsang and Roy Haggerty, Proceedings of the NEA GEOTRAP Workshop on Transport of Radionuclides in Geologic, Heterogeneous Media, Hamburg, Germany, 1996.

29. Some impression and comments on Hydrogeology and Environmental Sciences in China, C.F. Tsang and Y.W. Tsang,  116-120, Bulletin of National Natural Science Foundation of China, May 1996.

30. Stochastic continuum hydrological model of Äspö for the SITE-94 Performance Assessment Project, SKI Report 96:9, Swedish Nuclear Power Inspectorate, Stockholm, Sweden, June 1996.

31. Forecast of thermal-hydrological conditions and air injection test results of the single heater test, J.T. Birkholzer and Y.W.Tsang, report LBNL-39789, E.O. Lawrence Berkeley National Laboratory, Berkeley, California, 1996.

32. Simulations of unsaturated flow in a heterogeneous fractured porous medium using a Stochastic Continuum Model, J.T. Birkholzer, C.F. Tsang, Y. W. Tsang, and J. S. Y. Wang, Technical report LBNL-40033, E.O. Lawrence Berkeley National Laboratory, Berkeley, California, 1997.

33. Pretest Analysis of the thermal-hydrological conditions of the ESF Drift Scale Test , J.T. Birkholzer and Y.W. Tsang, Technical report LBNL-41044, E.O. Lawrence Berkeley National Laboratory, Berkeley, California, 1997.

34. A sensitivity Study on the Probability of Seepage into Drifts at Yucca Mountain, J. Birkholzer, G. Li, C.F. Tsang, and Y. Tsang , Extended Abstract in Proceedings, FTAM Workshop: Field Testing and Associated Modeling of Potential High Level Nuclear Waste Geological Disposal Sites, Berkeley, California, December 1997

35.  Yucca Mountain Exploratory Studies Facility Thermal Tests, Y. Tsang and J. Birkholzer,  Extended Abstract on Proceedings FTAM Workshop: Field Testing and Associated Modeling of Potential High-Level Nuclear Waste Geological Disposal Sites, December 1997, Berkeley, CA.

36. Thermohydrological Response of the Yucca Mountain Single Heater Test, Y Tsang and J Birkholzer, Proceedings of the 8th International High-Level Nuclear Waste Conference, May  1998, Las Vegas. NV.

37. Numerical Analysis of the Thermal-Hydrological Situation of the Single Heater Test at Yucca Mountain, J.  Birkholzer and Y. Tsang Proceedings of the TOUGH Workshop May 1998, Berkeley, CA.

38. Numerical Experiments on the probability of Seepage into Underground Openings at Yucca Mountain, J. Birkholzer,  G. Li, C.F. Tsang, and Y. Tsang , Proceedings XII International Conference on Computational Methods in Water Resources, June 1998, Crete, Greece.

39. Yucca Mountain Single Heater Test final report, Y.W. Tsang , J. Apps, J.T. Birkholzer, B. Freifeld, M.Q. Hu, J. Peterson, E. Sonnenthal, and N. Spycher, Technical report LBNL-42537, E.O. Lawrence Berkeley National Laboratory, Berkeley, California, 1999.

40. “Yucca Mountain Drift Scale test progress report”, Y.W. Tsang, J. Apps, J.T. Birkholzer, J. Peterson, E. Sonnenthal, N. Spycher and K.H. Williams, Technical report LBNL-42538, E.O. Lawrence Berkeley National Laboratory, Berkeley, California, 1999.

41. “Investigating coupled thermal-mechanical-hydrological-chemical processes in the Drift Scale Test, at Yucca Mountain, Nevada, USA”. Robin Datta, Steve Blair, William Boyle, Ray Finley, Mark Peters and Yvonne Tsang, Proceedings of the 9th International congress for Rock Mechanics, Paris, france, August 25-28, 1999.

42.  “Estimation of the heterogeneity of fracture permeability by simultaneousmodeling of multiple air-injection tests in partially saturated fractured tuff”, Y.W. Tsang, K. Huang and G.S. Bodvarsson, Geophysical Monograph 122 Dynamicsof fluids in fractured rocks: concepts and recent advances, 99-114, ed. B. Faybishenko, P. A. Witherspoon, and S. Benson 2000.

43. “Unsaturated Heterogeneous Media” Chin-Fu Tsang, Luis Moreno, Yvonne W. Tsang, and Jens Birkhölzer, AGU Monograph 42, Flow and Transport through Unsaturated Fractured Rock, 2nd Edition, edited by Daniel Evans, Tom Nicholson and Todd C. Rasmuson, pp. 33-44. 2001. LBNL-45474, May, 2001.

44. Birkholzer, J., S., Mukhophadhyay, Y. Tsang, Modeling water seepage into heated waste emplacement drifts at Yucca Mountain Report LBNL-52500, Proceedings, TOUGH2 Symposium, May 12-14, 2003, Berkeley, CA.

45. Birkholzer, J., S. Mukhopadhyay, Y. Tsang, Analysis of the vaporization barrier above waste emplacement drifts, Report  LBNL-51539, Proceedings, 10th International High-Level Radioactive Waste Management Conference, March 30 - April 3, 2003, Las Vegas NV.

46. Tsang, Y., Yucca Mountain Heater Tests, Report LBNL-51614 (October 2002), to be published as book chapter in “Gas transport in porous media”, Academic Kluwer/Plenum, Amsterdam, the Netherlands

47. “Analysis of stress and moisture induced changes in fractured rock permeability at the Yucca Mountain Drift Scale test” Rutqvist, J., C.-F. Tsang and Y. Tsang, Elsevier Geo-Engineering Book Series Volume 2 Coupled Thermo-Hydro-Mechanical-Chemical Processes in Geo-Systems, 161-166,  ed. Ove Stephansson, John A. Hudson and Lanru Jing, 2004.

48. “Analysis of coupled multiphase fluid flow, heat transfer and mechanical deformation at the Yucca Mountain Drift Scale Test”, Rutqvist, J., C. –F. Tsang, Y. Tsang, ARMA/USRMS 05-893, 40th US Symposium on Rock Mechanics (USRMS), Anchorage, Alaska, June 25-29, 2005.

49. “Office of Science and Technology and International,  Natural Barriers Thrust Overview”, Bo Bodvarsson and Yvonne Tsang, 11th International High-Level Radioactive Waste Management Conference, Las Vegas, Nevada, USA, April 30-May 4, 2006.

50. “Mountain Scale Monitoring of Thermohydrochemical Conditions for Performance Confirmation” Barry Freifeld and Yvonne Tsang, 11th International High-Level Radioactive Waste Management Conference, Las Vegas, Nevada, USA, April 30-May 4, 2006.

51. “Yucca Mountain Heater Tests” Yvonne. Y. W. Tsang,  Springer Theory and Application of Transport in Porous Media Series Volume 20 Gas Transport in Porous Media, 371-384,  ed. Clifford K.  Ho,  and Stephen W.  Webb, 2006.