Dr. Bill Merryfield

Research Scientist Canadian Centre for Climate Modelling and Analysis SCI A215 Ph: (250) 363-8263 FAX: (250) 363-8247 E-mail: bill.merryfield@ec.gc.ca

Education

• B.Sc. Physics, Stanford University, USA.
• Ph.D. Astrophysical, Planetary & Atmospheric Sciences, University of Colorado, USA.

Research Interests

• Ocean mixing processes
• Subgrid-scale parameterizations
• Numerical methods
• Ocean modelling
• Ocean influence on climate

Publications

• Scott, R. B., B. K. Arbic, E. P. Chassignet, A. C. Coward, M. Maltrud, W. J. Merryfield, A. Srinivasan, A. Varghese, 2010: Total kinetic energy in four global eddying ocean circulation models and over 5000 current meter records. Ocean Modelling , accepted.
• Merryfield, W. J., W.-S. Lee, G. J. Boer, V. V. Kharin, B. Pal, J. F. Scinocca and G. M. Flato, 2009: The first Coupled Historical Forecasting Project (CHFP1). Atmosphere-Ocean , submitted. [PDF]
• Koster, R. D., S. P. P. Mahanama,, T. J. Yamada, Gianpaolo Balsamo, A. A. Berg, M. Boisserie, P. A. Dirmeyer, F. J. Doblas-Reyes, G. Drewitt, C. T. Gordon, Z. Guo, J.-H. Jeong, D. M. Lawrence, W.-S. Lee, Z. Li1,, L. Luo, S. Malyshev, W. J. Merryfield, S. I. Seneviratne, T. Stanelle, B. J. J. M. van den Hurk, F. Vitart, and E. F. Wood, 2009: The contribution of land surface initialization to subseasonal forecast skill: First results from a multi-model experiment. Geophysical Research Letters , in press.[PDF]
• Yu, B., G. J. Boer, F. W. Zwiers and W. J. Merryfield, 2009: Covariability of SST and surface heat fluxes in reanalyses and CMIP3 climate models. Climate Dynamics doi:10.1007/s00382-009-0669-6. [PDF]
• Merryfield, W. J., B. Pal, and M. G. G. Foreman, 2009: Projected future changes in surface marine winds off the west coast of Canada. Journal of Geophysical Research , 114, C06008, doi:10.1029/2008JC005123.[PDF]
• Ajayamohan., R. S., W. J. Merryfield, and V. V. Kharin, 2009: Increasing trend of synoptic activity and its relationship with extreme rain events over central India. Journal of Climate , accepted. [PDF]
• Merryfield, W. J., M. M. Holland and A. H. Monahan, 2008: Multiple equilibria and abrupt transitions in Arctic summer sea ice extent. AGU Monograph "Arctic Sea Ice Decline: Observations, Projections, Mechanisms, and Implications" , Geophys. Monogr. Ser., vol. 180, edited by E. T. DeWeaver, C. M. Bitz, and L.-B. Tremblay, pp. 151-174, AGU, Washington, D. C. [PDF]
• Merryfield, W. J. and R. B. Scott, 2007: Bathymetric influence on mean currents in two high-resolution near-global ocean models. Ocean Modelling , 16, 76-94, doi:10.1016/j.ocemod.2006.07.005 [PDF]
• Merryfield, W. J., 2006: Changes to ENSO under CO2 doubling in a multi-model ensemble. Journal of Climate , 19, 4009-4027. [PDF]
• Saenko, O. A. and W. J. Merryfield, 2007: Vertical partition of ocean heat transport in isothermal coordinates. Geophysical Research Letters, 33, L01606, doi:10.1029/2005GL024902. [PDF]
• Morell, J. M., J. C. Corredor, and W. J. Merryfield, 2007: Thermohaline staircases in a Caribbean eddy and mechanisms for staircase formation. Deep-Sea Research II, Proceedings of the IAPSO/SCOR Conference on Ocean Mixing, 53, 128-139. [PDF]
• Merryfield, W. J., 2005: Ocean mixing in 10 steps. Science , 308 , 641-642. [Perspective article]
• Merryfield, W. J., 2005: Dependence of differential mixing on N and R-rho. Journal of Physical Oceanography, 35, 991-1003. [PDF]
• Saenko, O. A., and W. J. Merryfield, 2005: On the effect of topographically enhanced mixing on the global ocean circulation. Journal of Physical Oceanography, 35, 826-834. [PDF]
• Merryfield, W. J., and G. J. Boer, 2005: Variability of upper Pacific Ocean overturning in a coupled climate model. Journal of Climate, 18, 666-683. [PDF]
• Gargett, A. E., W. J. Merryfield, and G. Holloway, 2003: Direct numerical simulation of differential scalar diffusion in three-dimensional stratified turbulence. Journal of Physical Oceanography, 33, 1758-1782. [Abstract]
• Merryfield, W. J., and G. Holloway, 2003: Application of an accurate advection algorithm to sea-ice modelling. Ocean Modelling, 5, 1-15. [Abstract]
• Merryfield, W. J., 2002: Intrusions in double-diffusively stable Arctic waters: Evidence for differential mixing? Journal of Physical Oceanography, 32, 1452-1459.[Abstract]
• Merryfield, W. J., and G. Holloway, 2002: Predictability of quasi-geostrophic turbulence. Journal of Fluid Mechanics, 465, 191-212.[Abstract]
• Merryfield, W. J., Cummins, P. F. and G. Holloway, 2001: Equilibrium statistical mechanics of barotropic flow over finite topography, Journal of Physical Oceanography, 31, 1880-1890.[Abstract]
• Merryfield, W. J., 2000: Origin of thermohaline staircases, Journal of Physical Oceanography, 30, 1046-1068. [Abstract]
• Merryfield, W. J., G. Holloway, and A. E. Gargett, 1999: A global ocean model with double-diffusive mixing, Journal of Physical Oceanography, 29, 1124-1142.[Abstract]
• Merryfield, W. J., and G. Holloway, 1999: Eddy fluxes and topography in stratified quasi-geostrophic models, Journal of Fluid Mechanics , 380 , 59-80. [Abstract]
• Merryfield, W. J., G. Holloway, and A. E. Gargett, 1998: Differential transport of heat and salt by weak stratified turbulence, Geophysical Research Letters, 25, 2773-2776.
• Merryfield, W. J., 1998: Effects of stratification on quasi-geostrophic inviscid equilibria. Journal of Fluid Mechanics, 354, 345-356.[Abstract]
• Merryfield, W. J., and G. Holloway, 1997: Topographic stress parameterization in a quasi-geostrophic barotropic model. Journal of Fluid Mechanics, 341, 1-18.[Abstract]
• Merryfield, W. J., and G. Holloway, 1996: Inviscid quasi-geostrophic flow over topography: testing statistical mechanical theory. Journal of Fluid Mechanics, 309, 85-91.

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