Research Activities of Derek Elsworth

Research Interest Areas:

• Rock mechanics
• Groundwater hydrology
• Mathematical modeling
• Poromechanics
• Coupled processes
• Contaminant hydrology
• Mining engineering
• Petroleum engineering
• Fracture hydrology

Selected Publications:

Elsworth, D., Voight, B., Thompson, G., and Young, S.R., A Thermal-Hydrologic for Rainfall-Triggered Collapse of Lava Domes. In press, Geology, 20 pp., 2004.

Simmons, J., Elsworth, D., and Voight, B., Classification and Idealized Model Analyses of Dome Collapses at Soufriere Hills Volcano, Montserrat, During Growth of the First Lava Dome: November 1995 to March 1998. In press, J. Volc. and Geotherm, Res., 36 pp., 2004.

Polak, A., Elsworth, D., Liu, J., and Grader, A., Spontaneous Switching of Permeability Changes in a Limestone Fracture Under Net Dissolution, Water. Resour. Res., Vol. 40, W03502, doi:10.1029/2003WR002717, 2004.

Yasuhara, H., Elsworth, D., and Polak, A., The Evolution of Permeability in a Natural Fracture: Significant Role of Pressure Solution, J. Geophys. Res., Vol. 109, B03204, doi:10.1029/2003JB002663, 2004.

Simmons, J., Elsworth, D., and Voight, B., Stability of Exogenous Lava Domes During Intense Precipitation. In press, Bull. Volc., 35 pp., 2003.

Yasuhara, H., Elsworth, D., and Polak, A., A Mechanistic Model for Compaction of Granular Aggregates Moderated by Pressure Solution, J. Geophys. Res., 108(B11), 2530, doi:10.1029/2003JB002536, 2003.

Polak, A., Elsworth, D., Yasuhara, H., Grader, A.S., and Halleck, P.M., Permeability Reduction of a Natural Fracture Under Net Dissolution by Hydrothermal Fluids, Geophys. Res. Lett., 30(20), 2020, doi:10.1029/2003GL017575, 2003.

Elsworth, D. and Voight, B., The Mechanics of Harmonic Gas Pressurization and Failure of Lava Domes, Geophysical Journal Int. of The Royal Astronomical Society, 145, 187-198, 2001.

Voight, B. and Elsworth, D., Instability and Collapse of Lava Domes, Geophys Res. Let., Vol. 27, No. 1, pp.1-4, 2000.

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