PUBLICATIONS Journal Articles [http://www.ems.psu.edu/~elsworth/publications/pubs.html] 1. Zhang, R., Liu, S.M., Bahadur, J., Elsworth, D., Melnichenko, Y., He, L.L., Wang, Y. (2015) Estimation and modelling of coal pore accessibility using small angel neutron scattering. Fuel. Vol. 161. pp. 232-332. http://dx.doi.org/10.1016/j.fuel.2015.08.067 pdf 2. Wang, Y, Liu, S., Elsworth, D. (2015) Laboratory investigation of gas flow behaviors in tight anthracite and evaluation of different pulse-decay methods on permeability estimation. Int. J. Coal Geol., Vol 149, pp. 118-128. http://dx.doi.org/10.1016/j.coal.2015.07.009 pdf 3. Guglielmi, Y., Elsworth, D., Cappa, F., Henry, P., Gout, C., Dick, P., Durand, J. (2015) In situ observations on the coupling between hydraulic diffusivity and displacements during fault reactivation in shales. J. Geophys. Res. Solid Earth, Vol. 120. http://dx.doi.org/10.1002/2015JB012158 pdf 4. Faoro, I., Elsworth, D., Candela, T. (2015) Evolution of the transport properties of fractures subject to thermallyand mechanically-activated mineral alteration and redistribution. Geofluids. http://dx.doi.org/10.1111/gfl.12157 pdf 5. Kumar, H., Elsworth, D., Liu, J., Pone, D., Mathews, J.P. (2015) Permeability evolution of propped artificial fractures in coal on injection of CO2. J. Petrol. Sci. and Eng. Vol. 133, pp. 695-704. http://dx.doi.org/10.1016/j.petrol.2015.07.008 pdf 6. Lu, Y., Wang, L., Elsworth, D. (2015) Uniaxial strength and failure in sandstone containing a pre-existing 3-D surface flaw. Int. J. Fracture. Vol 194. No. 1. pp. 59-79. http://dx.doi.org/10.1007/s10704-015-0032-3 pdf 7. Guglielmi, Y., Cappa, F., Avouac, J.-P., Henry, P., Elsworth, D. (2015) Seismicity triggered by fluid-injectioninduced aseismic slip. Science. Vol. 348, pp. 1224-1226. http://dx.doi.org/10.1126/science.aab0476 pdf 8. Kumar, H., Elsworth, D., Mathews, J.P., Marone, C. (2015) Permeability evolution analogies in sorbing media: a comparison between organic-rich shale and coal. Geofluids. 13 pp. http://dx.doi.org/10.1111/gfl.12135 pdf 9. Gan, Q., Elsworth, D., Alpern, J.S., Marone, C., Connolly, P. (2015) Breakdown pressures due to infiltration and exclusion in finite length boreholes. J. Pet. Sci. and Eng. Vol. 127, pp. 329-337. http://dx.doi.org/10.1016/j.petrol.2015.01.011 pdf 10. Mohan, A.R., Turaga, U., Viswanathan, S., Elsworth, D., Pisupati, S.V. (2015) Symbiotic Integration of Carbon Dioxide Sequestration from Coal-Based Power Plants with Geothermal Heat Extraction for Subsequent Utilization in Electricity Generation in Enhanced Geothermal Systems (EGS). In press. Int. J. Greenhouse Gas Control. 11. Wang, S., Elsworth, D., Liu, J. (2015) Rapid decompression- and desorption-induced energetic failure of coal. J. R. Mech. And Geotech. Eng. Vo. 7, No. 3, pp. 345-350. http://dx.doi.org/10.1016/j.jrmge.2015.01.004 pdf 12. Li, Y., Tang, D.Z., Xu, H., Elsworth, D., Meng, Y.J. (2015) Geological and hydrological controls on water coproduced with coalbed methane in Liulin, eastern Ordos basin, China. Amer. Assoc. Petrol. Geol. Bull. Vol 99, No. 2. pp 207-229. 13. Mohan, A.R., Turaga, U., Viswanathan, S., Shembekar, V., Elsworth, D., Pisupati, S.V. (2015) Modeling the CO2based enhanced geothermal system (EGS) paired with integrated gasification combined cycle (IGCC) for symbiotic integration of carbon dioxide sequestration with geothermal heat utilization. Int. J. Greenhouse Gas Control. Vol. 32. pp. 197-212. http://dx.doi.org/10.1016/j.ijggc.2014.10.016 pdf 14. Candela, T., Brodsky, E.E., Marone, C., and Elsworth, D. (2015), Flow rate dictates permeability enhancement during fluid pressure oscillations in laboratory experiments, J. Geophys. Res. Solid Earth, 120, http://dx.doi.org/10.1002/2014JB011511 pdf 15. Izadi, G., Elsworth, D. (2015) The influence of thermal-hydraulic-mechanical-and chemical effects on the evolution of permeability, seismicity and heat production in geothermal reservoirs. Geothermics. Vol 53. pp. 385-395. http://dx.doi.org/10.1016/j.geothermics.2014.08.005 pdf 16. Gan, Q. and Elsworth, D. (2014) Thermal drawdown and late-stage seismic-slip fault-reactivation in enhanced geothermal reservoirs. J. Geophys. Res. Vol. 119, pp. 8936-8949. http://dx.doi.org/10.1002/2014JB011323 pdf 17. Husain, T., Elsworth, D., Voight, B., Mattioli, G., Jansma, P. (2014) Influence of infusion rate and magma rheology on the growth of lava domes.. J. Volc. Geotherm. Res. Vol. 285, pp. 100-117. http://dx.doi.org/10.1016/j.jvolgeores.2014.08.013 pdf 18. Cai, Y.D., Liu, D.M., Zhang, K.M., Elsworth, D., Yao, Y.B, Tang, D.Z. (2014) Preliminary evaluation of gas content of the No. 2. Coal seam in the Yanchuannan area, southeast Ordos Basin, China. J. Pet. Sci. and Eng., Vol, 122, pp. 675-689. http://dx.doi.org/10.1016/j.petrol.2014.09.010 pdf 19. Zhao, Y.X., Liu, S.M., Zhao, G.F., Elsworth, D., Jiang, Y.D., Han, J.L. (2014) Failure mechanisms in coal: dependence on strain rate and microstructure. J. Geophys. Res. Solid Earth. Vol. 119, No. 9, pp. 6924-6935. http://dx.doi.org/10.1002/2014JB011198 pdf 20. Li, Y., Tang, D.Z., Elsworth, D., Xu, H. (2014) Characterization of coalbed methane reservoirs at multiple length scales: a cross-section from southeastern Ordos Basin, China. Energy and Fuels. Vol, 28, No. 9. Pp. 5587-5595. http://dx.doi.org/10.1021/ef500449s pdf 21. Zhao, Y.X., Zhao, G.F., Jiang, Y.D., Elsworth, D., Huang, Y.Q. (2014) Effects of bedding on the dynamic indirect tensile strength of coal: laboratory experiments and numerical simulation. Int. J. Coal Geol. Vol, 132, pp. 81-93. http://dx.doi.org/10.1016/j.coal.2014.08.007 pdf 22. Kumar, H., Elsworth, D., Mathews, J.P., Liu, J., Pone, D. (2014) Effect of CO 2 injection on heterogeneously permeable coalbed reservoirs. Fuel. Vol. 135. pp. 509-521. http://dx.doi.org/10.1016/j.fuel.2014.07.002 pdf 23. Li, X., Elsworth, D. (2014) Geomechanics of CO2 enhanced shale recovery. J. Nat. Gas. Sci. and Eng. http://dx.doi.org/10.1016/j.jngse.2014.08.010 pdf 24. Lu, Y., Elsworth, D., Wang, L. (2014) A dual-scale approach to model time-dependent deformation, creep and fracturing of brittle rocks. Computers and Geotechnics. Vol. 60, pp. 61-76. http://dx.doi.org/10.1016/j.compgeo.2014.04.001 pdf 25. Zhao, Y., Liu, S., Elsworth, D. Jiang, Y.D., Zhu, J. (2014) Pore structure characterization of coal by synchrotron small angle X-ray scattering and transmission electron microscopy. Energy and Fuels. Vol. 28. No. 6. pp. 37043711. http://dx.doi.org/10.1021/ef500487d pdf 26. Liang, S., Elsworth, D., Li, X.H., Yang, D. (2014) Topographic influence on stability for gas wells penetrating longwall mining areas. Int. J. Coal Geol. Vol. 132, pp. 23-37. http://dx.doi.org/10.1016/j.coal.2014.07.008 pdf 27. Gan, Q., Elsworth, D. (2014) Analysis of fluid injection-induced fault reactivation and seismic slip in geothermal reservoirs. J. Geophys. Res. Vol. 119, No. 4, pp. 3340-3353. http://dx.doi.org/10.1002/2013JB010679. pdf 28. Voight, B., Sparks, R.S.J., Shalev, E., Minshull, T., Paulatto, M., Annen, C., Kenedi, C., Hammond, J., Henstock, T., Brown. L., Kiddle, E., Malin, P., Mattioli, G.S., Carothers, L., Belousov, A., Clarke, A., Ellett, L., Elsworth, D., Hidayat, D., Herd, R., Johnson, M., Lee, A., Miller, V., Murphy, B., Pierce, C., Ryan, G., Saldana, S., Snelson, C., Stewart, R., Syers, R., Widiwijayanti, C., Young, S.R., and Zamora, W. (2014) The SEA-CALIPSO volcano imaging experiment at Montserrat: plans, campaigns at sea and on land, scientific results, and lessons learned. Memoir, Geol. Soc. Lond. The Eruption of Sourfière Hills Volcano, Montserrat from 2000 to 2010. In Wadge, G., Robertson, R. E. A. & Voight, B. (eds) 2014. The Eruption of Soufrière Hills Volcano, Montserrat from 2000 to 2010. Geological Society, London, Memoirs, 39, 253–289. http://dx.doi.org/10.1144/M39.15 29. Elsworth, D., Foroozan, R., Taron, J., Mattioli, G., Voight, B. (2014) Geodetic imaging of magma migration at Soufrière Hills volcano 1995-2008. Memoir, Geol. Soc. Lond. The Eruption of Sourfière Hills Volcano, Montserrat from 2000 to 2010. In Wadge, G., Robertson, R. E. A. & Voight, B. (eds) 2014. The Eruption of Soufrière Hills Volcano, Montserrat from 2000 to 2010. Geological Society, London, Memoirs, 39, 219–227. http://dx.doi.org/10.1144/M39.12 pdf 30. Hao, S.W., Zhang, B.J., Tian, J.F., Elsworth, D. (2014) Predicting time-to-failure in rock extrapolated from secondary creep. J. Geophys. Res. Solid Earth. Vol. 119. pp. 1942-1953. http://dx.doi.org/10.1002/2013JB010778 pdf 31. Cai. Y., Liu, D., Mathews, J.P. Pan, Z., Elsworth, D., Yao, Y., Li, J., Guo, X (2014) Permeability evolution in fractured coal – combining triaxial confinement with X-ray computed tomography, acoustic emission and ultrasonic techniques. Int. J. Coal Geology. Vol. 122. Pp. 91-104. http://dx.doi.org/10.1016/j.coal.2013.12.012 pdf 32. Izadi, G., Elsworth, D. (2014) Reservoir stimulation and induced seismicity: role of fluid pressure and thermal transients on reactivated fracture networks. Geothermics. Vol. 51. pp. 368-379. http://dx.doi.org/10.1016/j.geothermics.2014.01.014 pdf 33. Candela, T., Brodsky, E., Marone, C., Elsworth, D. (2014) Laboratory evidence for particle mobilization as a mechanism for permeability enhancement via dynamic stressing. Earth and Plan. Sci. Lett. Vol. 392. pp. 279-291. http://dx.doi.org/10.1016/j.epsl.2014.02.025 pdf 34. Chen, Z., Liu, J., Elsworth, D., Pan, Z.J., Wang, S. (2014) Roles of coal heterogeneity on evolution of coal permeability under unconstrained boundary conditions. J. Nat. Gas Sci. and Eng.. Vol. 15. pp. 38-52. http://dx.doi.org/10.1016/j.jngse.2013.09.002 pdf 35. Lamb, A.R., Gorman, G.J., Elsworth, D. (2013) A fracture mapping and extended finite element scheme for coupled deformation and fluid flow in fractured porous media. Int. J. Num. Anal. Meth. Geomechs. Vol. 37, No. 17, pp. 2916-2936. http://dx.doi/10.1002:nag.2168 pdf 36. Mohan, A.R., Turaga, U., Shembekar, V., Elsworth, D., Pisupati, S.V. (2013) Utilization of carbon dioxide from coal-based power plants as a heat transfer fluid for electricity generation in enhanced geothermal systems (EGS). Energy. Vol. 57, pp. 505-512. http://dx.doi/10.1016:j.energy.2013.05.047 pdf 37. Ishibashi, T., McGuire, T., Tsuchiya, N., Elsworth, D. (2013) Permeability evolution of carbonate fractures: competing roles of stress and fluid pH. Water Resour. Res. Vol. 49, pp. 2828-2842. http://dx.doi/10.1002:wrcr.20253 pdf 38. Zhu, W.C., Wei, C.H., Liu, J., Xu, T., Elsworth, D. (2013) Impact of gas adsorption induced coal matrix damage on the evolution of coal permeability. Rock Mech. and Rock Eng. Vol. 46 No. 6. pp. 1353-1366. http://dx.doi.org/10.1007/s00603-013-0392-9 pdf 39. Faoro, I., Vinciguerra, S., Marone, C., Elsworth, D., Schubnel, A. (2013) Linking permeability to crack density evolution in thermally stressed rocks under cyclic loading. Geophs. Res. Lett. Vol. 40, pp. 2590-2595. http://dx.doi.org/10.1002/grl.50436 pdf 40. Izadi, G., Elsworth, D. (2013) The effects of thermal stress and fluid pressures on induced seismicity during stimulation to production within fractured reservoirs. Terra Nova. Vol. 25. pp. 774-380. http://dx.doi.org/10.1111/ter.12046 pdf 41. Wang, S., Elsworth, D., Liu, J. (2013) Mechanical behaviour of methane infiltrated coal: the roles of gas desorption, stress level and loading rate. Rock Mechs. and Rock Eng. Vol. 46, No. 3. pp 945-958. http://dx.doi.org/10.1007/s00603-012-0324-0 pdf 42. Lu, Y.L., Elsworth, D., Wang, L.G. (2013) Microcrack-based coupled damage and flow modelling of fracturing evolution in permeable brittle rocks. Computers and Geotechnics. Vol. 49, pp. 226-244. http://dx.doi.org/10.1016/j.compgeo.2012.11.009 pdf 43. Zheng, B., and Elsworth, D. (2013) Strength evolution in heterogeneous granular aggregates during chemomechanical compaction. Int. J. R. Mechs. Vol. 60. pp. 217-226. http://dx.doi.org/10.1016/j.ijrmms.2012.12.031 pdf 44. Wang, S., Elsworth, D., Liu, J. (2013) Permeability evolution during progressive deformation of intact coal and implications for instability in underground coal seams. Int. J. R. Mechs. Vol. 58, pp. 34-45. http://dx.doi.org/10.1016/j.ijrmms.2012.09.005 pdf 45. Elsworth, D. (2013) The evolution of pore pressure fields around standard and ball penetrometers: influence of penetration rate. Int. J. Num. Anal. Meth. Geomechs. Vol. 37, No. 14. pp 2135-2153. http://dx.doi.org/10.1002/nag.2126 pdf 46. McGuire, T., Elsworth, D., Karcz, Z. (2012) Parameterization of the threshold between permeability evolution controlled by stress-effects and free-face dissolution kinetics: theoretical formulation and experimental measurements. Transp. in Porous Media. Vol. 98, No. 1. pp. 15-34. http://dx.doi.org/10.1007/s11242-013-0123-4 pdf 47. Chandra, D., Conrad, C., Hall, D., Montebello, N., Weiner, A., Pisupati, S., Turaga, U., Izadi, G., Ram Mohan, A., Elsworth, D. (2012) Pairing integrated gasification and EGS geothermal systems to reduce consumptive water usage in arid environments. Energy & Fuels. Vol. 26 No. 12. pp. 7378-7389. http://dx.doi.org/10.1021/ef301397n pdf 48. Chandra, D., Elsworth, D., Van Essendelft, D. (2012) Mechanical and transport characteristics of coal-biomass mixtures for Advanced IGCC systems. Energy & Fuels. Vol. 26 No. 2. pp 5729-5739. pdf 49. Kolditz, O., Bauer, S., Boetcher, N., Elsworth, D., Gorke, U.-J., McDermott, C.-I., Park, C.-H., Singh, A.K., Wang, W. (2012) Numerical simulation of two-phase flow in deformable porous media: application to carbon dioxide storage in the subsurface. Math. and Computers in Sim. Vol. 82. Pp. 1919-1935. pdf 50. Kumar, H., Elsworth, D., Mathews, J., Liu, J., Pone, D. (2012) Optimizing enhanced coalbed methane recovery for unhindered production and CO2 injectivity. Int. J. Greenhouse Gas Control. Vol. 11. pp. 86-97. pdf 51. Chen, Z., Liu, J., Pan, Z., Connell, L., Elsworth, D. (2012) Influence of the effective stress coefficient and sorptioninduced strain on the evolution of coal permeability: model development and analysis. Int. J. Greenhouse Gas Control. Vol. 8, pp. 101-110. http://dx.doi.org/10.1016/j.ijggc.2012.01.015 52. Wang, S., Elsworth, D., and Liu, J. (2012) A mechanistic model for permeability evolution in fractured sorbing media. J. Geophys. Res. Vol. 117, No. B06205 http://dx.doi.org/10.1029/2011JB008855 pdf 53. Liu, J., Chen, Z. W., Elsworth, D., Chen D., Qu, H. Y., (2012) Interactions of multiple processes during CBM extraction: a critical review. Int. J. Coal Geology, Vol. 87, No. 3-4. http://dx.doi.org/10.1016/j.coal.2011.06.004 pdf 54. Qu, H., Lui, J., Chen, Z., Wang, J., Pan, Z., Connell, L., Elsworth, D. (2012) Complex evolution of coal permeability during CO2 injection under variable temperatures. Int. J. Greenhouse Gas Control. Vol. 9 pp. 281-293. http://dx.doi.org/10.1016/j.ijggc.2012.04.003 pdf 55. Manga, M., Beresnev, I., Brodsky, E.E., Elkhoury, J.E., Elsworth, D., Ingebritsen, S.E., Mays, D.C., Wang, C.Y. (2012) Changes in permeability caused by transient stresses: field observations, experiments and mechanisms. Rev. Geophys., Vol. 50, No. 2, RG2004 http://dx.doi.org/10.1029/2011RG000382 pdf 56. Zheng, B., and Elsworth, D. (2012) Evolution of permeability in heterogeneous granular aggregates during chemical compaction: granular mechanics models. J. Geophys. Res. Vol. 117, No. B3, B03206. http://dx.doi.org/10.1029/2011JB008573 pdf 57. Liu, J., Chen, Z., Elsworth, D., Miao, X., Mao, X. (2012) Evolution of coal permeability from stress-controlled to displacement-controlled boundary conditions. Fuel Vol. 90, pp. 2987-2997. http://dx.doi.org/10.1016:j.fuel.2011.04.032 pdf 58. Murdoch, L.C., Germanovich, L.N., Wang, H., Onstott, T.C., Elsworth, D., Stetler, L., Boutt, D. (2012) Hydrogeology in the vicinity of Homestake mine, South, Dakota, USA. J. Hydrol. Vol. 20, Vol. 1. pp. 27-43. http://dx.doi.org/10.1007/s10040-011-0773-7. pdf 59. Foroozan, R., Elsworth, D., Flemings, P., Bilotti, F., Muhuri, S. (2012) The role of permeability in fault zones on the structural and hydro-mechanical characteristics of shortening basins. Marine and Petroleum Geology. Vol. 29, No. 1. pp. 143-152. http://dx.doi.org/10.1016/j.marpetgeo.2011.08.007 pdf 60. Mohan, A.R., Turaga, U., Shembekar, V., Viswanathan, S., Pisupati, S.V., Elsworth, D. (2012) Toward Affordable Low Carbon Power: Economic and Environmental Analysis of Integrating CO 2 – EGS with IGCC. Trans. Geotherm. Res. Council. 20 pp. October. 61. Faoro, I., Elsworth, D., Marone, C. (2012) Permeability evolution during dynamic stressing of dual permeability media. J. Geophys. Res.. Vol. 117, No. B1, B01310. http://dx.doi.org/10.1029/2011JB008635 pdf 62. Liu, J. Wang, J., Chen, Z., Wang, S., Elsworth, D., Jiang, Y. (2011) Impact of transition from local swelling to macro swelling on the evolution of coal permeability. Int. J. Coal Geol. Vol. 88. pp. 31-40. http://doi:10.1016/j.coal.2011.07.008 pdf 63. Wu, Y., Liu, J., Elsworth, D., Siriwardane, H., Miao X. X. (2011) Evolution of Coal Permeability: Contribution of Heterogeneous Swelling Processes, Int. J. Coal Geology. Vol. 88 No. 2-3. pp. 152-162. http://dx.doi.org/10.1016/j.coal.2011.09.002 pdf 64. Izadi, G., Zheng, B., Taron, J., Elsworth, D. (2011) Evolution of permeability and triggered seismicity: fluid pressure, thermal and chemical effects in enhanced geothermal systems. Trans. Geotherm. Res. Council. 20 pp. October. 65. Mohan, A.R., Turaga, U., Shembekar, V., Viswanathan, S., Pisupati, S.V., Elsworth, D. (2011) Pairing of an Integrated Gasification Combined Cycle Power Plant (IGCC) with CO 2-EGS as a Strategy for Deployment in Arid Regions. Trans. Geotherm. Res. Council. 20 pp. October. 66. Chandra, D., Conrad, C., Hall, D., Montebello, N., Weiner, A., Narasimharaju, A., Rajput, V., Phelan, E., Pisupati, S., Turaga, U., Izadi, G., Ram Mohan, A., Elsworth, D. (2011) Combined scCO2-EGS IGCC to reduce carbon emissions from power generation in the desert southwestern United States. Trans. Geotherm. Res. Council. 20 pp. October. 67. Chen Z. W., Pan, Z. J., Liu, J., Connell, L. and Elsworth, D. (2011) Effect of the effective stress coefficient and sorption-induced strain on the evolution of coal permeability: experimental observations, Int. J. of Greenhouse Gas Control. Vol. 5, No. 5. pp. 1284-1293. http://dx.doi.org/10.1016/j.ijggc.2011.07.005 pdf 68. Samuelson, J., Elsworth, D., Marone, C. (2011) Influence of dilatancy on the frictional constitutive behavior of a saturated fault zone under a variety of drainage conditions. J. Geophys. Res., Vol. 116, No. B10, B10406. http://dx.doi.org/10.1029/2011JB008556 pdf 69. Lee, D.-S., Herman, J.D., Elsworth, D., Kim, H.T., Lee, H.S. (2011) A critical evaluation of unconventional gas recovery frm the Marcellus Shale, Northeastern United States. J. Civ. Eng., Korean Assoc. Civ. Engineers. Vol. 15, No. 4. pp. 679-687. http://dx.doi.org/10.1007/s12205-011-0008-4 pdf 70. Wang, S., Elsworth, D., and Liu, J. (2011) Permeability evolution in fractured coal: the roles of fracture geometry and water-content. Int. J. Coal Geology. Vol. 87. Pp. 13-25. pdf 71. Zhu, W.C., Wei, C.H. Liu, J., Qu, H.Y., Elsworth, D. (2011) A model of coal-gas interaction under variable temperatures. Int. J. Coal Geol., Vol. 86, pp. 213-221. pdf 72. Wu, Y., Liu, J., Chen, Z., Elsworth, D., Pone, D. (2011) Dual poroelastic model for CO 2-enhanced coalbed methane recovery. Int. J. Coal Geol., Vol. 86, pp. 177-189. pdf 73. Foroozan, R., Elsworth, D., Voight, B., Mattioli, G. (2011) Magmatic-metering controls the stopping and restarting of eruptions. Geophys. Res. Lett. Vol 38. L05306. pdf 74. Izadi, G., Wang, S., Elsworth, D., Liu, J., Wu, Y., Pone, D. (2011) Permeability evolution of fluid-infiltrated coal containing discrete fractures. Int. J. Coal Geology. Vol. 85 pp. 201-211. pdf 75. Taron, J. and Elsworth, D. (2010) Coupled mechanical and chemical processes in engineered geothermal reservoirs with dynamic permeability. Int. J. R. Mechs. Vol. 47, pp 1339 – 1348. doi:10.1016/j.ijrmms.2010.08.021 pdf 76. Taron, J., Elsworth, D., Kolditz, O. (2010) Evolution of permeability in fracture networks: geophysical and geochemical effects in enhanced geothermal systems. Trans. Geotherm. Res. Council. 8 pp. 77. Wu, Y., Liu, J., Elsworth, D. Miao, X., Mao, X. (2010) Development of anisotropic permeability during coalbed methane production. J. Natural Gas Sci. and Eng. Vol 2, No. 4. Pp. 197 – 210. doi:10.1016/j.jngse.2010.06.002 pdf 78. Liu, J., Chen, Z., Elsworth, D., Miao, X., Mao, X. (2010) Linking gas-sorption induced changes in coal permeability to directional strains through a modulus reduction ratio. Int. J. Coal Geol. Vol. 83, No. 1, pp. 21-30. pdf 79. Liu, J., Chen, Z., Elsworth, D. Miao, X., Mao, X. (2010) Evaluation of stress-controlled coal swelling processes. Int. J. Coal Geol. Vol. 83. Pp. 446-455. pdf 80. Lee, D.S., Elsworth, D., Yasuhara, H., Weaver, J., Rickman, R. (2010) Experiment and modeling to evaluate the effect s of proppant-pack diagenesis on fracture treatments. J. Petrol. Sci. and Eng. 74. Pp. 67-76. pdf 81. Taron, J. and Elsworth, D. (2010) Constraints on compaction rate and equilibrium in the pressure solution creep of quartz aggregates and fractures: controls of aqueous concentration. J. Geophys,. Res., Vol. 115, B07211, http://dx.doi.org/10.1029/2009JB007117 pdf 82. Niemeijer, A., Marone, C., Elsworth, D. (2010) Frictional strength and strain weakening in simulated fault gouge: competition between geometrical weakening and chemical strengthening. J. Geophys. Res., Vol. 115, No. B10, B10207 http://dx.doi.org/10.1029/2009JB000838 pdf 83. Voight, B., Hidayat, D., Sacks, S., Linde, A., Chardot, L. Clarke, A., Elsworth, D., Foroozan R., Malin, P. Mattioli, G., McWhorter, N., Shalev, E., Sparks, R.S.J., Widiwijayanti, C., Young, S.R. (2010) Unique strainmeter observations of Vulcanian explosions, Sourfière Hills volcano, Montserrat, July 2003. Geophys. Res. Lett., Vol. 37, L00E24, 6 pp., 2010 http://dx.doi.org/10.1029/2010GL044661 pdf 84. Chardot, L., Voight, B., Foroozan, R., Sacks, S., Linde, A., Stewart, R., Hidayat, D., Clarke, A., Elsworth, D., Fournier, N., Komorowski, J.-C., Mattioli, G., Sparks, R.S.J., Widiwijayanti, C. (2010) Explosion dynamics from strainmeter and microbarometer observations, Sourfière Hills Volcano, Montserrat: 2008-2009. Geophys. Res. Lett., Vol. 37, L00E24, 6 pp., 2010 http://dx.doi.org/10.1029/2010GL044661 pdf 85. Foroozan, R., Elsworth, D., Voight, B., Mattioli, G.S. (2010) Dual chamber structure at Sourfière Hills volcano inferred from cGPS observations and inhomogeneous elastic crustal models. Geophys. Res. Lett., Vol. 37, No. null, L00E12 http://dx.doi.org/10.1029/2010GL042511, 01 April 2010 pdf 86. Linde, A.T., Sacks, S., Hidayat, D., Voight, B., Clarke, A., Elsworth, D., Mattioli, G., Malin, P., Shalev, E., Sparks, S., Widiwijayanit, C. (2010) The Vulcanian explosion at Sourfière Hills Volcano, Montserrat on March 2004 as revealed by strain data. Geophys. Res. Lett., Vol. 37, L00E07, http://dx.doi.org/10.1029/2009GL041988 pdf 87. Voight, B., Widiwijayanti, C., Mattioli, G., Elsworth, D., Hidyat, D., Strutt, M. (2010) Magma-sponge hypothesis and stratovolcanoes: the case for a compressible reservoir and quasi-steady deep influx at Sourfière Hills Volcano, Montserrat. Geophys. Res. Lett. 37, L00E05, http://dx.doi.org/10.1029/2009GL041732 pdf 88. Wu, Y., Liu, J., Elsworth, D., Chen, Z., Connell, L., and Pan, Z. (2010) Dual poroelastic response of a coal seam to CO2 injection. Int. J. Greenhouse Gas Control. Vol. 4, No., 4 http://dx.doi.org/10.1016/j.ijggc.2010.02.004 89. Chen, Z., Liu, J., Elsworth, D., Connell, L, Pan, Z. (2010) Impact of CO 2 injection and differential deformation on CO2 injectivity under in-situ stress conditions. Int. J. Coal Geol., Vol. 81, pp. 97–108. pdf 90. Fitzgerald, M., and Elsworth, D. (2010) Evolution of the pore-pressure field around a moving conical penetrometer of finite size. ASCE J. Eng. Mechs. Vol. 136, No. 3, pp. 263-272. http://dx.doi.org/10.1061/(ASCE)07339399(2010)136:3(263) pdf 91. Niemeijer, A.R., Marone, C., and Elsworth, D. (2010) Fabric induced weakness of tectonic faults. Geophys. Res. Lett., 37, L03304, http://dx.doi.org/10.1029/2009GL041689 pdf 92. Elsworth, D. and Yasuhara, H. (2010) Mechanical and transport constitutive models for fractures subject to dissolution and precipitation. Int. J. Num. Meth. Geomechs. Vol. 34, pp. 533-549. http://dx.doi.org/10.1002/nag.831 pdf 93. Taron, J., Elsworth, D. (2009) Roles and timing of onset of various thermal-hydrologic-mechanical-chemical process couplings in EGS reservoirs. Trans. Geotherm. Res. Council. 94. Samuelson, J., Elsworth, D., and Marone, C. (2009) Shear-induced dilatancy of fluid-saturated faults: Experiment and theory, J. Geophys. Res., 114, B12404, http://dx.doi.org/10.1029/2008JB006273 pdf 95. Niemeijer, A., Elsworth, D., and Marone, C. (2009) Significant effect of grain size distribution on compaction rates in granular aggregates. Earth and Planetary Sci. Lett., Vol. 284, pp. 386 – 391. pdf 96. Taron, J. Elsworth, D., Min, K.-B. (2009) Numerical simulation of thermal-hydrologic-mechanical-chemical processes in deformable fractured porous media. Int. J. R. Mechs. Vol. 46, pp. 842-854. pdf 97. Taron, J. and Elsworth, D. (2009) Thermal-hydrologic-mechanical-chemical processes in the evolution of engineered geothermal reservoirs. Int. J. R. Mechs. Vol. 46, pp. 855-864.pdf 98. Min, K.-B., Rutqvist, J., and Elsworth, D. (2009) Chemically- and mechanically-mediated influences on the transport and mechanical characteristics of rock fractures. Int. J. R. Mechs. Vol. 46, No. 1, pp 80-89. http://dx.doi.org/10.1016/j.ijrmms.2008.04.002 pdf 99. Faoro, I., Niemeijer, A., Marone, C., and Elsworth, D. (2009) The influence of shear and deviatoric stress on the evolution of fractures in novaculite and diorite. J. Geophys. Res. Vol. 114, B01201, http://dx.doi.org/10:1029/2007JB005372 pdf 100. Elsworth, D., Mattioli, G.S., Taron, J., Voight, B., Herd, R. (2008) Implications of magma transfer between multiple reservoirs on eruption cycling. Science. Vol. 322, pp. 246-248. pdf 101. Zhang, H.B., Liu, J., and Elsworth, D. (2008) How sorption-induced matrix deformation affects gas flow in coal seams: a new FE model. Int. J. R. Mechs. Vol. 45, No. 8, pp. 1226-1236. http://dx.doi.org/10.1016/j.ijrmms.2007.11.007 pdf 102. Sheng, J.C. Liu, J., Zhu, W.C., Elsworth, D., and Liu, J.X. (2008) Stress analysis of a borehole in saturated rocks under in situ mechanical, hydrological and thermal interactions. Energy Sources, Part A: Recovery, Utilization, and Environmental Effects. 30:2. Pp. 157-169. pdf 103. Tang, C.A., Liang, Z.Z., Zhang, Y.B., Chang, X., Tao, X., Wang, D.G. Zhang, J.X., Liu, J.S., Zhu, W.C., and Elsworth, D. (2008) Fracture spacing in layered materials: a new explanation based on two-dimensional failure process modeling. Amer. J. Science, Vol. 308, pp 49-72. http://dx.doi.org/10.2475/01.2008.02 pdf 104. Yasuhara, H., and Elsworth, D. (2008) Compaction of a fracture moderated by competing roles of stress corrosion and pressure solution. Pure and Appl. Geophys., Vol. 165, No. 7. pp. 1289 – 1306. pdf 105. Lee, D.-S., Elsworth, D., and Hryciw, R. (2008) Hydraulic conductivity measurements from on-the-fly uCPT sounding and from VisCPT. J. Geotech. and Geo-Env. Eng., Vol. 134, No. 12, pp. 1720-1729. pdf 106. Niemeijer, A., Marone, C., and Elsworth, D. (2008) Healing of simulated fault gouges aided by pressure solution: results from rock analogue experiments. J. Geophys. Res., 113, B04204, http://dx.doi.org/10.1029/2007JB005376 pdf 107. Rutqvist, J., Freifeld, B., Min, K.-B., Elsworth, D., and Tsang, Y. (2008) Analysis of thermally induced changes in fractured rock permeability during eight years of heating and cooling at the Yucca Mountain drift scale test – identification of irreversible changes. Int. J. R. Mech. Vol. 45, No. 8, pp. 1373 – 1389. pdf 108. Samuelson, J. Marone, C., Voight, B., and Elsworth, D. (2008) Laboratory investigation of the frictional behavior of granular volcanic material. J. Volc. And Geotherm. Res. Vol. 3-4 pp. 265-279. pdf 109. Sawyer, A., Flemings, P., Elsworth, D., Kinoshita, M. (2008) Response of submarine hydrologic monitoring instruments to formation pressure changes: Theory and application to Nankai advanced CORKs. J. Geophys. Res. Vol 113, B01102, http://dx.doi.org/10.1029/2007JB005132 pdf 110. Elsworth, D. and Lee, D.S. (2007) Limits in determining permeability from on-the-fly uCPT soundings. Géotechnique. Vol. 57, No. 8. pp. 679-685. pdf 111. Mattioli, G.S., Voight, B., Linde, A.T., Sacks, I.S., Watts, P., Widiwijayanti, C., Young, S.R., Hidayat, D., Elsworth, D., Malin, P.E., Shalev, E., Van Boskirk, E., Johnsston, W., Sparks, R.S.J., Neuberg, J., Bass, V., Dunkley, P., Herd, R. Syers, T., Williams, P., Williams, D. (2007) Unique and remarkable dilatometer measurements of pyroclastic flow-generated tsunamis. Geology. Vol. 35, No. 1, pp. 25-28. http://dx.doi.org/10.1130/G22931A.1 pdf 112. Taron, J., Elsworth, D., Thompson, G., and Voight, B. (2007) Mechanisms for rainfall-concurrent lava dome collapse at Sourfière Hills volcano, 2000-2002. J. Volcan. & Geotherm. Res. Vol. 1 pp. 195-209. pdf 113. Yang, T.H. Liu, J., Elsworth, D., Zhu, W.C., Tham, L.G. and Tang, C.A. (2007) A coupled flow-stress-damage model for groundwater outbursts from an underlying aquifer into mining excavations. Int. J. R. Mech., Vol. 44. pp. 87 – 97. pdf 114. Ouyang, Z., Elsworth, D., et al. (2007) Characterization of hydraulic fracture with inflated dislocation moving within a semi-infinite medium, Journal of China University of Mining & Technology, June. Vol.17 No.2, pp 220225. 115. Ouyang, Z., Elsworth, D., et al. (2007) A poroelastic PKN hydraulic fracture model incorporating dislocation theory: Part A. Progress in Mining Science and Safety Technology, Science Press USA Inc., ISBN 978-7-03018737-6, pp. 384-390. 116. Yasuhara, H., Elsworth, D., Polak, A., Liu, J., Grader, A., and Halleck, P. (2006) Spontaneous permeability switching in fractures in carbonate: lumped parameter representation of mechanically- and chemically-mediated dissolution. Transp. in P. Media. Vol. 65, pp. 385-409. pdf 117. Liu, J., Sheng, J., Polak, A.B., Elsworth, D., Yasuhara, H., and Grader, A.S. (2006) A fully-coupled hydrologicalmechanical-chemical model for fracture sealing and preferential opening. Int. J. R. Mechs. And Min. Sci.. Vol. 43, No. 1., pp. 23-36. pdf 118. Yasuhara, H., and Elsworth, D. (2006) A numerical model simulating reactive transport and evolution of fracture permeability. Int. J. Num. and Anal. Meth. in Geomechs. Vol. 30, No. 10, pp. 1039 – 1062. pdf 119. Elsworth, D., and Yasuhara, H. (2006) Short timescale chemo-mechanical effects and their influence on the transport properties of fractured rock. Pure and Appl. Geophys. Vol. 163, pp. 2051 - 2070. http://dx.doi.org/10.1007/s00024-006-0113-3 pdf 120. Voight, B.; Linde, A. T.; Sacks, I. S.; Mattioli, G. S.; Sparks, R. S. J.; Elsworth, D.; Hidayat, D.; Malin, P. E.; Shalev, E.; Widiwijayanti, C.; Young, S. R.; Bass, V.; Clarke, A.; Dunkley, P.; Johnston, W.; McWhorter, N.; Neuberg, J.; Williams, P. (2006) Unprecedented pressure increase in deep magma reservoir triggered by lava-dome collapse Geophys. Res. Lett., Vol. 33, No. 3, L03312 http://dx.doi.org/10.1029/2005GL024870 [Cover page article in GRL; AGU highlighted paper; cited and abstracted in Nature] pdf 121. Elsworth, D., Lee, D.S., Hryciw, R., Shin, S. (2006) Pore pressure response following undrained uCPT sounding in a dilating soil. J. Geotech. and Geoenv. Eng. Vol. 132, No. 11. pp. 1485 - 1495. pdf 122. Yasuhara, H., Polak, A., Mitani, Y., Grader, A., Halleck, P., and Elsworth, D. (2006) Evolution of fracture permeability through fluid-rock reaction under hydrothermal conditions. Earth and Planetary Science Letters. Vol. 244, pp. 186 – 200. pdf 123. Zhu, W.C., Liu, J., Elsworth, D., Polak, A., Grader, A., Sheng, J.C., and Liu, J.X. (2005) Tracer transport in a fractured chalk: x-ray characterization and digital image-based (DIB) simulation. Transport in Porous Media. Vol. 70, pp. 25 – 42. pdf 124. Yasuhara, H., Polak, A., Mitani, Y., Grader, A., Halleck, P., and Elsworth, D. (2005) Evolution of fracture permeability through reactive flow at elevated temperature. Trans. Geotherm. Res. Council. Vol. 29, pp. 437 – 441. pdf 125. Zhu, W.C., Liu, J., Yang, T.H., Sheng, J.C., and Elsworth, D. (2006) Effects of local heterogeneities on the hydromechanics of fractured rocks. Int. J. R. Mechs. Vol. 43, pp. 1182 – 1199. pdf 126. Widiwijayanti, C., Clarke, A., Elsworth, D., and Voight, B.(2005) Geodetic constraints on the shallow magma system at Soufrière Hills volcano, Montserrat. Geophys. Res. Lett. Vol. 32, L11309, http://dx.doi.org/10.1029/2005GL022846 [AGU Editor’s Citation] pdf 127. Yasuhara, H., Marone, C., and Elsworth, D. (2005) Fault zone restrengthening and frictional healing: the role of pressure solution. J. Geophys. Res. Vol. 110, B06310, http://dx.doi.org/10.1029/2004JB003327 pdf 128. Ouyang, Z. Elsworth, D., et al. (2005) Theory of volumetric moving dislocation in a poroelastic halfspace and characterization of magma intrusion events. J. China University of Geosciences, Vol. 16, No.1, pp 58-65. 129. Liu, J, Polak, A, Elsworth, D, and Grader, A. (2005) Dissolution-induced preferential flow in a limestone fracture. J. Contam. Hydrol. Vol. 78, No. 1-2, pp. 53-70. 130. Vinciguerra, S., Elsworth, D., and Malone, S. (2005) The 1980 pressure response and flank failure of Mt. St. Helens (USA) inferred by seismic scaling exponents. J. Volc. and Geotherm. Res. Vol. 144, pp. 155-168. pdf 131. Elsworth, D. and Lee, D.S. (2005) Permeability determination from on-the-fly piezocone sounding. ASCE J. Geotech and Geoenv Eng., Vol. 131, No. 5, pp. 643 – 653. pdf 132. Elsworth, D. and Lee, D.S. (2005) Indentation of a free-falling lance penetrometer into a poroelastic seabed. Int. J. Num. & Anal. Meth. in Geomechs., Vol. 29, pp. 141-162, http://dx.doi.org/10.1002/nag.408 pdf 133. Simmons, J., Elsworth, D., and Voight, B. (2005) Classification and idealized limit-equilibrium analyses of dome collapses at Sourfière Hills volcano, Montserrat, during growth of the first lava dome: November 1995 to March 1998. J. Volc. and Geotherm. Res., Vol. 139, pp. 241-258; http://dx.doi.org/10.1016/j.jvolgeores.2004.08.009 pdf 134. Polak, A., Elsworth, D., Liu, J., and Grader, A. (2004) Spontaneous switching of permeability changes in a limestone fracture under net dissolution. Water. Resour. Res., Vol. 40, W03502, http://dx.doi.org/10.1029/2003WR002717 pdf 135. Yasuhara, H., Elsworth, D., and Polak, A. (2004) The evolution of permeability in a natural fracture: significant role of pressure solution. J. Geophys. Res., Vol. 109, B03204, http://dx.doi.org/10.1029/2003JB002663 pdf 136. Simmons, J., Elsworth, D., and Voight, B. (2004) Stability of exogenous lava domes during intense precipitation. Bull. Volcanol., Vol., 66, pp. 725–734; http://dx.doi.org/10.1007/s00445-004-0353-y pdf 137. Elsworth, D., Voight, B., Thompson, G., and Young, S.R. (2004) A thermal-hydrologic mechanism for rainfalltriggered collapse of lava domes. Geology. Vol. 32, No. 11; pp. 969–972; http://dx.doi.org/10.1130/G20730.1 pdf 138. Lee, D.S. and Elsworth, D. (2004) Indentation of a sharp penetrometer into a poroelastic seabed, Am. Soc. Civ. Eng., J. E. Mech., Vol. 130, No. 2, pp. 170-179. pdf 139. Yasuhara, H., Elsworth, D., and Polak, A. (2003) A mechanistic model for compaction of granular aggregates moderated by pressure solution. J. Geophys. Res. 108(B11), 2530, http://dx.doi.org/10.1029/2003JB002536 pdf 140. Polak, A., Elsworth, D., Yasuhara, H., Grader, A.S., and Halleck, P.M. (2003) Permeability reduction of a natural fracture under net dissolution by hydrothermal fluids, Geophys. Res. Lett., 30(20), 2020, http://dx.doi.org/10.1029/2003GL017575 pdf 141. Elsworth, D. and Voight, B. (2001) The mechanics of harmonic gas-pressurization and failure of lava domes. Geophys. J. Int., of the R. Astronomical Soc., 145, 187 – 198. pdf 142. Elsworth, D. (2001) Mechanical response of lined and unlined heated drifts. R. Mechs. and R. Eng., Vol. 34, No. 3, pp. 201-216. pdf 143. Liu, J., Elsworth, D., Brady, B.H., and Mulhaus, H. (2000) Strain-dependent fluid flow defined through rock mass classification schemes. R. Mech. and R. Eng., Vol. 33, No. 2, pp 75-92. pdf 144. Voight, B. and Elsworth, D. (2000) Instability and collapse of lava domes. Geophys. Res. Let., Vol. 27, No. 1, pp. 1-4. pdf 145. Liu, J., Elsworth, D. and Brady, B. H. G. (1999) A coupled hydromechanical system defined through rock mass classification schemes. Int. J. Num. and Anal. Meth. in Geomechs.. Vol. 23, No. 15, pp. 1945 – 1960. pdf 146. Bai, M., Bouhroum, A. and Elsworth, D. (1999) Minimizing numerical oscillation in coupled flow problems. Oil Gas – European Mag., Vol. 25, No. 2, pp. 37-39. 147. Liu, J., Elsworth, D. and Brady, B. H. G. (1999) Linking stress-dependent effective porosity and hydraulic conductivity fields to RMR. Int. J. R. Mech., Min. Sci. & Geomech. Abstr., Vol. 36, No. 5, pp. 581-596. pdf 148. Bai, M., Meng, F., Elsworth, D., Zamman, M., Scott, T.E. and Roegiers, J.-C. (1999) Numerical modeling of coupled flow and deformation in fractured rock specimens. Int. J. Num. and Anal. Meth. in Geomechs., Vol. 23, pp. 141-160. 149. Bai, M., Meng, F., Elsworth, D. and Roegiers, J.-C. (1999) Analysis of stress-dependent permeability in nonorthogonal flow and deformation fields. Submitted for publication, R. Mech. and R. Eng., vol. 32, No. 3, pp. 195 – 219. pdf 150. Elsworth, D. and Day, S. J. (1999) Flank collapse triggered by intrusion: the Canarian and Cape Verde archipelagoes. J. Volcanol. & Geotherm. Res., Vol. 95, No. 1-4, pp. 323 – 340. pdf 151. Liu, J. and Elsworth, D. (1999) Evaluation of pore water pressure fluctuation around an advancing longwall panel. Adv. Water Res., Vol. 22, No. 6, pp. 633 – 644. pdf 152. Elsworth, D. (1998) Indention of a sharp penetrometer in a poroelastic medium. Int. J. Solids and Struct., Vol. 35, No. 34-35, pp. 4895 - 4904. pdf 153. Kim, J.-M., Parizek, R.R., and Elsworth, D. (1998) Evaluation of fully-coupled strata deformation and groundwater flow in response to longwall mining. Int. J. R. Mechs., Min. Sci. and Geomechs. Abstr., Vol. 34, No. 8, pp. 1187 – 1200. pdf 154. Liu, J. and Elsworth, D. (1998) Three-dimensional effects of hydraulic conductivity enhancement and desaturation around mined panels. Int. J. R. Mechs., Min. Sci. and Geomechs. Abstr., Vol. 34, No. 8, pp. 1139 - 1152. pdf 155. Bai, M., Elsworth, D., Inyang, H.I. and Roegiers, J-.C. (1997) Modeling non-uniform solute transport using a triple porosity model. J. Environmental Eng. Div. ASCE, Vol. 123, No. 11, pp. 1116 - 1125. 156. Liu, J., Elsworth, D. and Matetic, R.J. (1997) Evaluation of the post-mining groundwater regime following longwall mining. Hydrological Processes, Vol. 11, 1945-1961. pdf 157. Voight, B. and Elsworth, D. (1997) Failure of volcano slopes. Geotechnique, Vol. 47, No. 1, pp. 1 - 31. pdf 158. Bai, M., Meng, F., Elsworth, D., Zaman, Z. and Roegiers, J.-C. (1997) Numerical modeling of stress-dependent permeability, Int. J. R. Mech. and Min. Sci., Vol. 34, No. 3-4, Paper No. 020. pdf 159. Liu, J., Elsworth, D. and Brady, B.H. (1997) Analytical evaluation of post-excavation hydraulic conductivity field around a tunnel. Int. J. R. Mech. and Min. Sci., Vol. 34, No. 3-4, Paper No. 181. pdf 160. Piggott, A. R. and Elsworth, D. (1996) Displacement of formation fluids by hydraulic fracturing. Geotechnique, Vol. 46, No. 4, pp. 671 - 681. pdf 161. Sims, J.E., Elsworth, D. and Cherry, J.A. (1996) Stress dependent flow through fractured clay till: a laboratory study. Can. Geotech. J., Vol. 33, No. 3, pp. 449 - 457. pdf 162. Fischer, M.P., Elsworth, D., Alley, R.B. and Engelder, J.T. (1996) Finite element analysis of the modified ring test for determining Mode I fracture toughness. Int. J. R. Mech. Min. Sci. & Geomech. Abstr., Vol. 33, No. 1, pp. 1 - 16. pdf 163. Bai, M., Roegiers, J.-C., and Elsworth, D. (1995) Poromechanical response of fractured porous rock masses. J. Petro. Sci. & Eng., Vol. 13, pp. 155 - 168. pdf 164. Bai, M. and Elsworth, D., (1995) Modeling of miscible flow in multi-component porous media. Transport in Porous Media, Vol. 21, No. 1, pp. 19 - 46. pdf 165. Bai, M. and Elsworth, D. (1995) Influence of mining geometry on mine hydro-geo-mechanics. Trans. Society of Mining Engineers, Vol. 296, July, pp 1856 - 1863. pdf 166. Matetic, R.J., Liu, J. and Elsworth, D. (1995) Modeling the effects of longwall mining on the ground water system. U.S. Bureau of Mines, Report of Investigations, RI 9561, ISSN 1066-5552, 14 pp. 167. Elsworth, D. and Voight, B. (1995) Dike intrusion as a trigger for large earthquakes and the failure of volcano flanks. J. Geophys. Res., Vol. 100, No. B4, April, pp. 6005-6024. pdf 168. Elsworth, D. and Liu, J. (1995) Topographic influence of longwall mining on groundwater. Groundwater, Vol. 33, No. 5, September-October, pp. 786 - 793. pdf 169. Li, J. and Elsworth, D. (1995) A Gauss-Newton method for aquifer parameter identification. Groundwater, Vol. 33, No. 4, pp. 662 - 668. pdf 170. Bai, M., Bouhroum, A. and Elsworth, D. (1994) Some aspects of solving advection dominated flows. Hydrocarbon Technology, Vol. 47, No. 1, pp. 11 - 17. pdf 171. Bai, M. and Elsworth, D. (1994) Modeling of subsidence and stress-dependent hydraulic conductivity for intact rock and fractured porous media. R. Mech. and R. Eng., Vol. 27, No. 4, pp. 209 - 234. pdf 172. Bai, M. and Elsworth, D. (1993) Dual-porosity poroelastic approach to behavior of porous media over a mining panel. Trans. Inst. Mng. & Met., U.K., Section A, Vol. 102, pp. 114 - 124. pdf 173. Bai, M., Elsworth, D. and Roegiers, J-.C. (1993) Modeling of naturally fractured reservoirs using deformationdependent flow mechanism. Int. J. R. Mech. Min. Sci. & Geomech. Abstr., Vol. 30, No. 7, pp. 1185 - 1191. pdf 174. Ouyang, Z. and Elsworth, D. (1993) Evaluation of groundwater flow into mined panels. Int. J. R. Mechs. Min. Sci. & Geomechs. Abstr. Vol. 30, No. 2, pp. 71 - 80. pdf 175. Piggott, A.R. and Elsworth, D. (1993) Laboratory assessment of the equivalent apertures of a rock fracture. Geophys. Res. Lett., Vol. 30, No. 13, pp. 1387 - 1390. pdf 176. Piggott, A.R. and Elsworth, D. (1993) Characterization of fracture aperture by inverse analysis. Can. Geotech. J., Vol. 30, pp. 637 - 646. pdf 177. Bai, M. and Elsworth, D. (1993) Multi-porosity/multi-permeability approach to the simulation of naturally fractured reservoirs. Water Resour. Res., Vol. 29, No. 6, pp. 1621 - 1633. pdf 178. Elsworth, D. (1993) Analysis of piezocone data using dislocation based methods. J. Geotechnical Engineering, ASCE, Vol. 119, No. 10, pp. 1601 - 1623. pdf 179. Bai, M. and Elsworth, D. (1993) Transient poroelastic response of porous media over a mining panel. Engineering Geology, Vol. 35, pp. 49 - 64. pdf 180. Elsworth, D. and Voight, B. (1992) Theory of dike intrusion in a saturated porous solid. J. Geophys. Res., Vol. 97, No. B6, pp. 9105 - 9117. pdf 181. Xiang, J. and Elsworth, D. (1992) Direct and integration methods of parameter estimation of groundwater transport systems. Appl. Math. Model., Vol. 16, No. 8, pp. 404 - 413. pdf 182. Piggott, A.R. and Elsworth, D. (1992) Analytical models for flow through obstructed domains. J. Geoph. Res., Vol. 97, No. B2, pp. 2085 - 2093. pdf 183. Elsworth, D. (1992). Pore pressure response due to penetration through layered media. Int. J. Num. Anal. Meth. in Geomechs., Vol. 16, No. 1, pp. 45 - 64. pdf 184. Elsworth, D. and Bai, M. (1992). Flow-deformation response of dual porosity media. J. Geotech. Eng. Div., ASCE, Vol. 118, No. 1, pp. 107 - 124. pdf 185. Elsworth, D. (1991). Dislocation analysis of penetration in saturated porous media. J. Eng. Mech. Div., ASCE, Vol. 117, No. 2, pp 391-408. pdf 186. Ylinen, A.M. and Elsworth, D. (1991). Heat and mass transfer around an advancing penetrometer. Int. J. Heat and Mass Transfer, Vol. 34, No. 6, pp. 1407 - 1416. pdf 187. Ouyang, Z. and Elsworth, D. (1991). A phenomenological failure criterion for brittle rock. Rock Mechanics and Rock Engineering, Vol. 24, pp. 133 - 153. pdf 188. Xiang, J. and Elsworth, D. (1990) Parameter identification of nonsteady groundwater flow systems. Advances in Water Resources, Vol. 15, pp. 259 - 269. pdf 189. Xiang, J. and Elsworth, D. (1990). Low-order finite elements for parameter identification in groundwater flow. Appl. Math. Model., Vol. 15, No. 5, pp. 256 - 266. pdf 190. Elsworth, D. (1990). A comparative evaluation of the parallel flow and spherical reservoir models of HDR geothermal systems. J. Volcanology and Geothermal Res., Vol. 44, pp. 283 - 293. pdf 191. Bai, M. and Elsworth, D. (1990). Some aspects of mining under aquifers in China. Min. Sci. and Tech., Vol. 10, pp. 81 - 91. pdf 192. Bai, M., Elsworth, D., Li, Z. and Tomlin, N. (1990). Evaluation of stresses and displacements induced in discretely layered media. Int. J. R. Mechs. Min. Sci., Vol. 1, No. 1, pp. 23 - 31. 193. Elsworth, D. (1990). Theory of partially drained piezometer insertion. J. Geotech. Eng. Div., ASCE, Vol. 116, No. 6, pp. 899 - 914. pdf 194. Zhihua, O. and Elsworth, D. (1989). An adaptive characteristics method for advective-diffusive transport. Appl. Math. Model., Vol. 13, pp 682-692. pdf 195. Elsworth, D. (1989). Thermal recovery from a multiple stimulated HDR reservoir. Geothermics, Vol. 18, No. 5/6, pp. 761-774. pdf 196. Elsworth, D. (1989). Theory of thermal recovery from a spherically stimulated HDR reservoir. J. Geophys. Res., Vol. 94, No. B2, pp. 1927 - 1934. pdf 197. Elsworth, D. and Xiang, J. (1989). A reduced degree of freedom model for permeability enhancement in blocky rock. Geothermics, Vol. 18, No. 5/6, pp. 691-709. pdf 198. Piggott, A. R. and Elsworth, D. (1989). Physical and numerical studies of a fracture system model. Water Resour. Res., Vol. 25, No. 3, pp. 457 - 462. pdf 199. Elsworth, D. (1989). Thermal permeability enhancement of blocky rocks: plane and radial flow. Proceedings E.E.C. and C.N.R.S. Workshop of Fluid Flow Through Strong Fractured Rocks, Garchy, France, April. 24 pages. and Int. J. R. Mech. Min. Sci., Vol. 26, No. 3/4, pp. 329 - 339. pdf 200. Elsworth, D. (1987). A boundary element-finite element procedure for porous and fractured media flow. Water Resources Research, Vol. 23, No. 4, pp. 551 - 560. pdf 201. Elsworth, D. and Goodman, R. E. (1987). Numerical modelling of fractured rock masses using coupled numerical schemes. Chapter 46 in, Coupled Processes Associated with Nuclear Waste Repositories, Edited by C. F. Tsang, Academic Press. pdf 202. Elsworth, D. (1986). A model to evaluate the transient hydraulic response of three-dimensional sparsely fractured rock masses. Water Resources Research, Vol. 22, No. 13, pp. 1809 - 1819. pdf 203. Elsworth, D. (1986). A hybrid boundary element - finite element analysis procedure for fluid flow simulation in fractured rock masses. International Journal of Numerical and Analytical Methods in Geomechanics, Vol. 10, No. 6, pp. 569 - 584. pdf 204. Elsworth, D. and Doe, T. W. (1986). Application of non-linear flow laws in determining rock fissure geometry from single borehole pumping tests. International Journal of Rock Mechanics and Min. Sci., Vol. 23, No. 3, pp. 245 - 254. pdf 205. Elsworth, D. and Goodman, R. E. (1986). Characterization of rock fissure hydraulic conductivity using idealized wall roughness profiles. International Journal of Rock Mechanics and Min. Sci., Vol. 23, No. 3, pp. 233 - 244. pdf 206. Elsworth, D. (1986). Wedge stability around a circular tunnel: plane strain condition. International Journal of Rock Mechanics and Min. Sci., Vol. 23, No. 2, pp. 177 - 182. pdf