Selected Publications (* denotes student or post-doctoral first author)

Saffer, D.M., Underwood, M.B., and McKiernan, A.W., in press, Evaluation of factors controlling smectite transformation and fluid production in subduction zones: Application to the Nankai Trough, The Island Arc.

*Long, H., Flemings, P.B., Germaine, J.T., and Saffer, D.M., in press, Consolidation characteristics of sediments from IODP Expedition 308, Ursa Basin, Gulf of Mexico, Ocean Drill. Prog. Sci. Results, 308.

Saffer, D.M., 2007, Pore pressure at plate boundaries: Insights from geohydrologic modeling, edited by Ito, H. et al., Scientific Drilling, Special Issue #1, doi: 10.2204/iodp.sd.s01.32.2007, p. 20-23.

Saffer, D.M., 2007, Pore pressure within underthrust sediments in subduction zones, in Dixon, T. et al. (Eds.), The Seismogenic Zone of Subduction Thrust Faults, Columbia University Press, p. 171-209.

Marone, C., and Saffer, D.M., 2007, Fault friction and the upper transition from seismic to aseismic faulting, in Dixon, T. et al. (Eds.), The Seismogenic Zone of Subduction Thrust Faults, Columbia University Press, p. 346-369.

*Ikari, M.J., Saffer, D.M., and Marone, C., 2007, Effect of hydration state on the frictional properties of montmorillonite-based fault gouge, J. Geophys. Res., 112, B06423, doi:10.1029/2006JB004748.

Spinelli, G.A., and Saffer, D.M., 2007, Trench-parallel fluid flow in subduction zones resulting from temperature differences, Geochem. Geophys. Geosyst., 8, doi:10.1029/2007GC001673.

*Spinelli, G., Saffer, D.M., and Underwood, M.B., 2006, Effects of along-strike variability in temperature on the hydrogeology of the Nicoya margin subduction zone, Costa Rica, J. Geophys. Res., doi:10.1029/2004JB003436.

Saffer, Demian M., and Bekins, B.A., 2006, An evaluation of factors influencing pore pressure in accretionary complexes: Implications for taper angle and wedge mechanics, J. Geophys. Res., doi:10.1029/2005JB003990.

*Hornbach, M.J., Ruppel, C.D., Saffer, D.M., Van Dover, C.L., and Holbrook, W.S., 2005, Coupled geophysical constraints on heat flow and fluid flux at a salt diapir, Geophys. Res. Lett., 32, L24617, doi:10.1029/2005GL024862.

*McKiernan, A.W., and Saffer, D.M., 2005, Data report: Permeability and consolidation properties of subducting sediments off Costa Rica, ODP Leg 205, in Morris, J.M., Villinger, H.W., and Klaus, A. (Eds.), Proc. ODP, Sci. Results, 205, 1–24, available online at: http://wwwodp.tamu.edu/publications/205_SR/VOLUME/CHAPTERS/203.PDF>.

*Payne A., and Saffer, D.M., 2005, Surface water hydrology and shallow groundwater effects of coalbed methane development, upper Beaver drainage, Powder River Basin, WY, Wyoming Geo-Notes, 80, Special Issue on Coalbed Methane, Wyoming Geological Survey.

Screaton, E.J., and Saffer, D.M., 2005, Fluid Expulsion and overpressure development during initial subduction at the Costa Rica convergent margin, Earth Planet Sci. Lett., 233, 361-374.

Saffer, D.M., and McKiernan, A.W., 2005, Permeability of underthrust sediments at the Costa Rican margin: Scale dependence and implications for dewatering, Geophys. Res. Lett., 32, L02302, doi:10.1029/2004GL021388.

* Fulton, P., Saffer, D.M., Harris, R.N., and Bekins, B.A., 2004, Re-evaluation of heat flow data near Parkfield, CA: Evidence for a weak San Andreas Fault, Geophys. Res. Lett., 31, L15S15, doi:10.1029/2003GL019378.

*Spinelli, G., and D. M. Saffer, 2004, Along-strike varations in underthrust sediment dewatering on the Nicoya margin, Costa Rica, related to the updip limit of seismicity, Geophys. Res. Lett., 31, L04613, doi:10.1029/2003GL018863.

*Hornbach, M.J., Saffer, D.M., and Holbrook, W.S., 2004, Critically pressured gas reservoirs below hydrate provinces, Nature, 427, 142–144, doi:10.1038/nature02172.

Saffer, Demian M., and Marone, Chris J., 2003, Comparison of smectite- and illite-rich gouge frictional properties: Implications for the updip limit of the seismogenic zone along subduction megathrusts, Earth Planet. Sci. Lett., v. 215, p. 219-235.

Saffer, Demian M., Bekins, B.A., and Hickman, S.H., 2003, Topographically driven groundwater flow and the San Andreas heat flow paradox revisited, J. Geophys. Res., 108 (B5), doi:10.1029/2002JB001849.

Saffer, Demian M., 2003, Pore pressure development and progressive dewatering in underthrust sediments at the Costa Rican subduction margin: Comparison with Northern Barbados and Nankai, J. Geophys. Res., 108 (B5), 2261, doi: 10.1029/2002JB001787.

Saffer, D.M., and Screaton, E.J., 2003, Fluid flow pathways at the toe of convergent margins: Interpretation of sharp geochemical gradients, Earth Planet. Sci. Lett., v. 213, p. 261-270.

Orange, D., Saffer, D. M., Jeanjean, P., Khafaji, Z., Riley, G., and Humphrey, G., 2003, Measurements and modeling of the pore pressure regime at the Sigsbee escarpment: Successful prediction of overpressure and ground-truthing with borehole measurements, The Leading Edge, September, 2003, p. 906-913.

Orange, D., Saffer, D. M., Jeanjean, P., Khafaji, Z., Riley, G., and Humphrey, G., 2003, Measurements and modeling of the pore pressure regime at the Sigsbee escarpment: Successful prediction of overpressure and ground-truthing with borehole measurements, Proceedings of the Offshore Technology Conference, paper #15201.

Henry, P., L. Jouniaux, E. Screaton, S. Hunze, and D.M. Saffer, 2003, Anisotropy of electrical conductivity records initial strain at the toe of the Nankai accretionary wedge, in press, Jour. Geophys. Res.

Holbrook, W.S., D. Lizarralde, I.A. Pecher, A.R. Gorman, K.L. Hackwith, M. Hornbach, and D. Saffer, 2002, Expulsion of methane gas through sediment waves in a large methane hydrate province, Geology, v. 30, p. 467-470.

Saffer, D.M., and Bekins, Barbara A., 2002, Hydrologic controls on the mechanics and morphology of accretionary wedges and thrust belts, Geology, v. 30, p. 271-274.

Screaton, E.J., Saffer, D.M., Henry, Pierre, Hunze, Sabine, and Leg 190 Shipboard Scientific Party, 2002, Porosity loss within underthrust sediments of the Nankai accretionary complex: Implications for overpressures, Geology, v 30, p. 19-22.

Brown, K., Saffer, D.M., and Bekins, B.A., 2001, Implications of smectite diagenesis and pore water freshening for fluid flow at the toe of the Nankai Wedge, Earth and Planet. Sci. Lett., v. 194, p. 97-109.

Saffer, D.M., Frye, K., Marone, C., and Mair, K., 2001 Laboratory results indicating weak and potentially ustable frictional behavior of smectite clay, Geophsical Research Letters, 28, p. 2297-2300.

Moore, G.F., Taira, A., Klaus, A., Becker, L., Boeckel, B., Cragg, B.A., Dean, Al., Fergusson, C.L., Henry, P., Hirano, S., Hisamitsu, T., Hunze, S., Kastner, M., Maltman, A.J., Morgan, J.K., Murakami, Y., Saffer, D.M., Sanchez-Gomez, M., Screaton, E.J., Smith, D.C., Spivack, A.J., Stuerer, J., Tobin, H.J., Ujiie, K., Underwood, M.B., and Wilson, M., 2001, New insights into deformation and fluid flow processes in the Nankai Trough accretionary prism: Results of Ocean Drilling Program Leg 190, Geochemistry, Geophysics, Geosystems, Paper number 2001GC000166.

Moore, J.C., and Saffer, D.M., 2001, Updip limit of the seismogenic zone beneath the accretionary prism of southwest Japan: An effect of diagenetic to low-grade metamorphic processes and increasing effective stress, Geology, 29, 183–186.

Saffer, Demian M., et al., 2000, Inferred pore pressures at the Costa Rica subduction zone: Implications for dewatering processes, Earth and Planet. Sci. Lett., 177, 193-207.

Silver, E.A., M. Kastner, A. T. Fisher, J. D. Morris, K. D. McIntosh, and D. M. Saffer, 2000. Fluid Flow Paths in the Crust of the Middle America Trench, Costa Rica Margin, Geology, 28, p. 679-682.

Saffer, Demian M., and Bekins, B. A., 1999. Fluid budgets at convergent plate margins: Implications for the extent and duration of fault zone dilation, Geology, 27, 1095-1098.

Saffer, Demian M., and Bekins, Barbara A., 1998, Episodic fluid flow in the Nankai accretionary complex: Timescale, geochemistry, flow rates, and fluid budget, Journal of Geophysical Research, 103, no. B12, p. 30,351.