Laboratory for Geophysical Flows Laboratory for Geodynamics

In review/revision/press:  

Turner, A.J., R.F. Katz, M.D. Behn and T. Keller (2017). Magmatic focusing to mid-ocean ridges: the role of grain size variability and non-Newtonian viscosity. G-cubed. doi: 10.1002/2017GC007048.

Published (BibTeX):

get PDF of article Rees Jones, D., R.F. Katz, J.F. Rudge and M. Tian (2018). Thermal impact of magmatism in subduction zones. EPSL. doi: 10.1016/j.epsl.2017.10.015

get PDF of article Keller T., R.F. Katz and M.M. Hirschmann (2017). Volatiles beneath mid-ocean ridges: Deep melting, channelised transport, focusing, and metasomatism.  EPSL.  doi: 10.1016/j.epsl.2017.02.006.

get PDF of article Turner S., C. Langmuir, R.F. Katz, M.A. Dungan and S. Escrig, (2016) Parental arc magma compositions dominantly controlled by mantle-wedge thermal structure. Nature Geoscience. doi: 10.1038/ngeo2788.

get PDF of article Keller T. and R.F. Katz, (2016) The Role of Volatiles in Reactive Melt Transport in the Asthenosphere. J. Petrology. doi: 10.1093/petrology/egw030.

get PDF of article Huybers, P., C. Langmuir, R.F. Katz, D. Ferguson, C. Proistosescu and S. Carbotte. (2016) Comment on "Sensitivity of seafloor bathymetry to climate-driven fluctuations in mid-ocean ridge magma supply". Technical comment, Science. doi: 10.1126/science.aae0451 (Olive et al. reply)

get PDF of article Alisic L., S. Rhebergen, J.F. Rudge, R.F. Katz, and G.N. Wells. (2016) Torsion of a cylinder of partially molten rock with a spherical inclusion: theory and simulation. Geochem. Geophys. Geosys.,  doi: 10.1002/2015GC006061.

get PDF of article Weatherley S. and R.F. Katz. (2016) Melt transport rates in heterogeneous mantle beneath mid-ocean ridges. Geochimica Cosmochimica Acta. doi: 10.1016/j.gca.2015.09.029.

get PDF of article Takei Y. and R.F. Katz. (2015) Consequences of viscous anisotropy in a deforming, two-phase aggregate. Why is porosity-band angle lowered by viscous anisotropy? J Fluid Mech. doi: 10.1017/jfm.2015.592.

get PDF of article Qi C., D. Kohlstedt, R.F. Katz, and Y. Takei. (2015) Experimental test of the viscous anisotropy hypothesis for partially molten rocks. Proc. Nat. Acad. Sci.  doi: 10.1073/pnas.1513790112.

get PDF of article Crowley J.W., R.F. Katz, P. Huybers, C.H. Langmuir, and S-H. Park. (2015) Glacial cycles drive variations in the production of oceanic crust.  Science. doi: 10.1126/science.1261508. (comment/reply)

get PDF of article Taylor-West J. and R.F. Katz (2015). Melt-preferred orientation, anisotropic permeability, and melt-band formation in a deforming, partially molten aggregate. Geophys. J. Int. doi: 10.1093/gji/ggv372.

get PDF of article Kyrke-Smith T., R.F. Katz and A. Fowler. (2015) Subglacial hydrology as a control on emergence, scale, and spacing of ice streams. JGR Earth Surface. doi: 10.1002/2015JF003505.

get PDF of article Rhebergen S., G.N. Wells, A.J. Wathen, and R.F. Katz. (2015) Three-Field Block Preconditioners for Models of Coupled Magma/Mantle Dynamics. SIAM J. Sci. Comp.  doi: 10.1137/14099718X 

get PDF of article Hooker J.N. and R.F. Katz. (2015) Vein spacing in extending, layered rock: the effect of synkinematic cementation. American Journal of Science. doi: 10.2475/06.2015.03.

get PDF of article Burley J. and R.F. Katz. (2015) Variations in mid-ocean ridge CO2 emissions driven by glacial cycles. EPSL. doi: 10.1016/j.epsl.2015.06.031.

get PDF of article Turner A., R.F. Katz and M.D. Behn. (2015) Grain-size dynamics beneath mid-ocean ridges: Implications for permeability and melt extraction. Geochem. Geophys. Geosys. doi: 10.1002/2014GC005692.

get PDF of article Lacey A.A., M.G. Hennessy, P. Harvey and R.F. Katz (2015) Mathematical Modelling of Tyndall Star Initiation. European Journal of Applied Mathematics. doi: 10.1017/S095679251500042X.

get PDF of article Allwright J. and R.F. Katz (2014) Pipe Poiseuille flow of viscously anisotropic, partially molten rock. Geophysical Journal International. doi: 10.1093/gji/ggu345.

get PDF of article Kyrke-Smith T. and A.C. Fowler (2014) Subglacial swamps. Proceedings of the Royal Society A. doi: 10.1098/rspa.2014.0340.

get PDF of article Rhebergen S., G. Wells, R.F. Katz, and A. Wathen (2014) Analysis of block preconditioners for models of coupled magma/mantle dynamics.  SIAM Journal on Scientific Computing. doi: 10.1137/130946678.  

get PDF of article Alisic L., J.F. Rudge, R.F. Katz, G. Wells and S. Rhebergen (2014) Compaction around a rigid, circular inclusion in partially molten rock. Journal of Geophysical Research---Solid Earth. doi: 10.1002/2013JB010906.

get PDF of article Kyrke-Smith T., R.F. Katz, and A.C. Fowler (2014)  Subglacial hydrology and the formation of ice streams. Proceedings of the Royal Society A. doi: 10.1098/rspa.2013.0494.

get PDF of article Takei Y. and R.F. Katz (2013)  Consequences of viscous anisotropy in a deforming, two-phase aggregate: 1. Governing equations and linearised analysis.  Journal of Fluid Mechanics. doi: 10.1017/jfm.2013.482.

get PDF of article Katz R.F. and Y. Takei (2013) Consequences of viscous anisotropy in a deforming, two-phase aggregate: 2. Numerical solutions of the full equations.  Journal of Fluid Mechanics. doi: 10.1017/jfm.2013.483.

get PDF of article Kyrke-Smith, T.M. and R.F. Katz and A.C. Fowler (2013) Stress balances of ice streams in a vertically integrated, higher-order formulation J Glaciologydoi: 10.3189/2013JoG12J140.

get PDF of article Katz, R.F. and S.M. Weatherley (2012) Consequences of mantle heterogeneity for melt extraction at mid-ocean ridges.  EPSL. doi: 10.1016/j.epsl.2012.04.042. 

get PDF of article Weatherley, S.M. and R.F. Katz (2012) Melting and channelized magmatic flow in chemically heterogeneous, upwelling mantle. Geochem. Geophys. Geosys. doi: 10.1029/2011GC003989.

get PDF of article Katz, R.F. and J.F. Rudge (2011) The energetics of melting fertile heterogeneities within the depleted mantleGeochem. Geophys. Geosys. doi: 10.1029/2011GC003834.

get PDF of article England, P.C. and R.F. Katz, (2010) Dry melting and thermal advection in the mantle wedge control the location of volcanic arcs. Nature, doi: 10.1038/nature09417

get PDF of article England, P.C. and R.F. Katz, (2010) Brief Communication Arising: Global systematics of arc volcano position. Nature, doi: 10.1038/nature09154.

get PDF of article Katz, R.F. (2010) Porosity-driven convection and asymmetry beneath mid-ocean ridges. Geochem. Geophys. Geosys., doi: 10.1029/2010GC003282.

get PDF of article Weatherley, S. and R.F. Katz, (2010) Plate-driven dynamics and global patterns of mid-ocean ridge bathymetry. Geochem. Geophys. Geosys., doi: 10.1029/2010GC003192.

get PDF of article Katz, R.F. and M.G. Worster. (2010) Stability of ice-sheet grounding lines. Proc. Roy. Soc. A, doi: 10.1098/rspa.2009.0434.

Pre-FoaLab publications by Katz (BibTeX):

get PDF of article Katz, R.F. (2008) Magma dynamics with the Enthalpy Method: benchmark solutions and magmatic focusing at mid-ocean ridges. J. Petrology, doi: 10.1093/petrology/egn058.

get PDF of article Katz, R.F. and M.G. Worster. (2008) Simulation of directional solidification, thermochemical convection and chimney formation in a Hele-Shaw cell. J. Comp. Phys., doi: 10.1016/j.jcp.2008.06.039.

van Keken, P., C. Currie, S.D. King, M.D. Behn, A. Cagnioncle, J. He, R.F. Katz, S. Lin, E.M. Parmentier, M. Spiegelman, K. Wang. (2008) A community benchmark for subduction zone modelling. Phys. of the Earth and Planetary Interiors, doi: 10.1016/j.pepi.2008.04.015.

get PDF of article Katz, R.F., M. Knepley, B. Smith, M. Spiegelman, E. Coon. (2007) Numerical simulation of geodynamic processes with the Portable Extensible Toolkit for Scientific Computation, Phys. of the Earth and Planetary Interiors, doi: 10.1016/j.pepi.2007.04.016.

get PDF of article Katz, R.F., M. Spiegelman, and B. Holtzman. (2006) The dynamics of melt and shear localisation in partially molten aggregates. Nature, doi: 10.1038/nature05039.

get PDF of article Knepley, M.G., R.F. Katz, and B.F. Smith. (2006) Developing a geodynamics simulator with PETSc. In Numerical Solution of Partial Differential Equations on Parallel Computers, Series: Lecture Notes in Computational Science and Engineering, Vol. 51, A.M. Bruaset and A. Tveito, editors. Springer-Verlag.

get PDF of article Spiegelman, M. and R.F. Katz. (2006) A semi-Lagrangian Crank-Nicolson algorithm for the numerical solution of advection-diffusion problems, Geochem. Geophys. Geosys., doi: 10.1029/2005GC001073.

get PDF of article Katz, R.F., R. Ragnarsson, and E. Bodenschatz. (2005) Tectonic microplates in a wax model of sea-floor spreading, New J. Phys., doi: 10.1088/1367-2630/7/1/037

get PDF of article Katz, R.F. and E. Bodenschatz. (2005) Taking wax for a spin: microplates in an analog model of plate tectonics, Europhysics News, Vol. 5, September/October. [unreferreed]

get PDF of article Katz, R.F., M. Spiegelman and S. Carbotte. (2004) Ridge migration, asthenospheric flow and the origin of magmatic segmentation in the global mid-ocean ridge system. Geophys. Res. Lttrs., doi: 10.1029/2004GL020388.

get PDF of article Katz, R.F., M. Spiegelman and C.H. Langmuir.(2003) A new parameterisation of hydrous mantle melting. Geochem. Geophys. Geosys., doi: 10.1029/2002GC000433. [Source code]

Theses and project reports:

get PDF of article Kyrke-Smith, T. (2014) Ice-stream dynamics: the coupled flow of ice sheets and subglacial hydrology.  DPhil thesis. 

get PDF of article Weatherley, S. (2013) Melting and melt migration in heterogeneous mantle beneath mid-ocean ridges.  DPhil thesis. 

get PDF of article Taylor-West, J. (2014) Effect of anisotropic permeability on band growth.  NERC Research Experience Placement.

get PDF of article Dauck, T.-F. (2014) Flow over sinusoidal, porous sandbed.   NERC Research Experience Placement.

get PDF of article Hack, S. (2014) Finite element models for coupled magma/mantle dynamics with anisotropic viscosity.  Leverhulme Summer research project.

get PDF of article Allwright, J. (2013) Effects of viscous anisotropy on pipe Poisseuille flow. NERC Research Experience Placement.

get PDF of article Evans, O. (2013) Generalised stability theory in magma/mantle dynamics.  Leverhulme Summer research project.

get PDF of article Harvey, P. (2013) An experimental analysis of Tyndall Figures.  NERC Research Experience Placement. 

get PDF of article Weatherley, S. (2009) Influence of mantle dynamics on global patterns of mid-ocean ridge bathymetry. MSci project.