Contents List of Figures List of Tables Introduction Brief history of POP development Improvements introduced in POP Surface-pressure formulation of barotropic mode Free-surface boundary condition Latitudinal scaling of horizontal diffusion Pressure-averaging Designed for parallel computers General orthogonal coordinates in horizontal POP applications to date High-resolution global and regional modeling Coupled models Installing and Building POP Supported architectures Obtaining the POP code Creating a run directory Building POP Make Procedure Domain decomposition Compile-time options Domain Blocks Coupled model runs Debugging Testing POP Running POP Operational control Processor configuration Input/Output Time management Grid and bottom-topography definition Initializing the model state Temperature and salinity distribution Restart control Computational options Barotropic mode solver Advection methods Pressure gradient options Vertical mixing and convection parameterizations Constant coefficients Richardson-number mixing KPP mixing Tidal mixing Horizontal mixing parameterizations Laplacian horizontal mixing. Biharmonic horizontal mixing. Gent-McWilliams isopycnic tracer diffusion Anisotropic viscosity options Physical process options Equation of state approximation Baroclinic-mode parameters Sea-ice emulation parameters Overflow parameters Passive tracers Topographic stress Forcing options (ocean-only mode) Periodicity of forcing data Temporal interpolation of forcing data Forcing formulation Forcing files Forcing units Updating the forcing values Forcing modules Forcing namelists Running POP in coupled mode Real-time X-window display Model diagnostics and output Output formats netCDF binary File-naming convention Model diagnostics Transport diagnostics Model output files Time-averaged history files Snapshot history files Movie files Current meters, drifters and hydrographic sections. POP tools Visualizing output Transformations from general grids File format conversion Generating grid and bottom topography files Horizontal grid and topography Vertical grid Trouble-shooting Timestep stability criteria Checking the global energy and work balances Getting the right combination of mixing options Getting the right combination of forcing options Properly normalizing input salinity values Running POP on PCs References Bibliography