--- manual/s_examples/text/model_examples.tex 2006/06/27 20:47:05 1.12 +++ manual/s_examples/text/model_examples.tex 2008/01/15 21:17:19 1.18 @@ -1,4 +1,4 @@ -% $Header: /home/ubuntu/mnt/e9_copy/manual/s_examples/text/model_examples.tex,v 1.12 2006/06/27 20:47:05 molod Exp $ +% $Header: /home/ubuntu/mnt/e9_copy/manual/s_examples/text/model_examples.tex,v 1.18 2008/01/15 21:17:19 jmc Exp $ % $Name: $ \section[MITgcm Example Experiments]{Example experiments} @@ -9,68 +9,73 @@ %% a set of pre-configured numerical experiments -The full MITgcm distribution comes with a set of pre-configured numerical experiments. -Some of these example experiments are tests of individual parts of the model code, but many -are fully fledged numerical simulations. Full tutorials exist for a few of the examples, -and are documented in sections \ref{sect:eg-baro} - \ref{sect:eg-tank}. The other examples -follow the same general structure as the tutorial examples. However, they only include brief -instructions in a text file called {\it README}. The examples are located in subdirectories -under the directory \texttt{verification}. Each example is briefly described below. +The full MITgcm distribution comes with a set of pre-configured +numerical experiments. Some of these example experiments are tests of +individual parts of the model code, but many are fully fledged +numerical simulations. Full tutorials exist for a few of the examples, +and are documented in sections \ref{sect:eg-baro} - +\ref{sect:eg-tank}. The other examples follow the same general +structure as the tutorial examples. However, they only include brief +instructions in a text file called {\it README}. The examples are +located in subdirectories under the directory \texttt{verification}. +Each example is briefly described below. \subsection{Full list of model examples} \begin{enumerate} -\item \texttt{tutorial\_barotropic\_gyre} - -\item \texttt{tutorial\_barotropic\_gyre} - single layer, ocean double gyre - (barotropic with free-surface). This experiment is described in detail in section - \ref{sect:eg-baro}. - -\item \texttt{tutorial\_baroclinic\_gyre} - Four layer, ocean double gyre. This experiment - is described in detail in section \ref{sect:eg-fourlayer}. - -\item \texttt{tutorial\_global\_oce\_latlon} - 4x4 degree global ocean simulation with steady - climatological forcing. This experiment is described in detail in section \ref{sect:eg-global}. - -\item \texttt{exp4} - Flow over a Gaussian bump in open-water or channel with open boundaries. - -\item \texttt{tutorial\_deep\_convection} - Inhomogenously forced ocean convection in a - doubly periodic box. This experiment is described in detail in section \ref{sect:eg-bconv}. - -\item \texttt{front\_relax} - Relaxation of an ocean thermal front (test for -Gent/McWilliams scheme). 2D (Y-Z). - -\item \texttt{internal\_wave} - Ocean internal wave forced by open - boundary conditions. - -\item \texttt{natl\_box} - Eastern subtropical North Atlantic with KPP - scheme; 1 month integration - -\item \texttt{hs94.1x64x5} - Zonal averaged atmosphere using Held and - Suarez '94 forcing. - -\item \texttt{hs94.128x64x5} - 3D atmosphere dynamics using Held and - Suarez '94 forcing. - -\item \texttt{tutorial\_held\_suarez\_cs} - 3D atmosphere dynamics using Held and Suarez - (1994) forcing on the cubed sphere. This experiment is described in detail in - section \ref{sect:eg-hs}. - -\item \texttt{aim.5l\_zon-ave} - Intermediate Atmospheric physics. - Global Zonal Mean configuration, 1x64x5 resolution. - -\item \texttt{aim.5l\_XZ\_Equatorial\_Slice} - Intermediate - Atmospheric physics, equatorial Slice configuration. 2D (X-Z). - -\item \texttt{aim.5l\_Equatorial\_Channel} - Intermediate Atmospheric - physics. 3D Equatorial Channel configuration. - -\item \texttt{aim.5l\_LatLon} - Intermediate Atmospheric physics. - Global configuration, on latitude longitude grid with 128x64x5 grid - points ($2.8^\circ$ resolution). - -\item \texttt{aim.5l_cs} +\item \texttt{tutorial\_advection\_in\_gyre} - test of various + advection schemes in a single-layer double-gyre experiment. + This experiment is described in detail in section + \ref{sect:eg-adv-gyre}. + +\item \texttt{tutorial\_baroclinic\_gyre} - Four layer, ocean double + gyre. This experiment is described in detail in section + \ref{sect:eg-fourlayer}. + +\item \texttt{tutorial\_barotropic\_gyre} - single layer, ocean double + gyre (barotropic with free-surface). This experiment is described in + detail in section \ref{sect:eg-baro}. + +\item \texttt{tutorial\_cfc\_offline} Offline form of the MITgcm to + study advection of a passive tracer and CFCs. + +\item \texttt{tutorial\_deep\_convection} - Inhomogenously forced + ocean convection in a doubly periodic box. This experiment is + described in detail in section \ref{sect:eg-bconv}. + +\item \texttt{tutorial\_global\_oce\_biogeo} Ocean model coupled to + the dissolved inorganic carbon biogeochemistry model. This + experiment is described in detail in section + \ref{sect:eg-biogeochem_tutorial}. + +\item \texttt{tutorial\_global\_oce\_in\_p} Global circulation in + pressure coordinate (non-Boussinesq ocean model). Described in + detail in section \ref{sect:eg-globalpressure}. + +\item \texttt{tutorial\_global\_oce\_latlon} - 4x4 degree global ocean + simulation with steady climatological forcing. This experiment is + described in detail in section \ref{sect:eg-global}. + +\item \texttt{tutorial\_global\_oce\_optim} Global ocean state + estimation at $4^\circ$ resolution. This experiment is described in + detail in section \ref{sect:eg-global_state_estimate}. + +\item \texttt{tutorial\_held\_suarez\_cs} - 3D atmosphere dynamics + using Held and Suarez (1994) forcing on the cubed sphere. This + experiment is described in detail in section \ref{sect:eg-hs}. + +\item \texttt{tutorial\_offline} Offline form of the MITgcm to study + advection of a passive tracer. This experiment is described in + detail in section \ref{sect:eg-offline}. + +\item \texttt{tutorial\_plume\_on\_slope} Gravity Plume on a + continental slope. This experiment is described in detail in + section \ref{sect:eg-gravityplume}. + +\item \texttt{tutorial\_tracer\_adjsens} Simple passive tracer + experiment. Includes derivative calculation. This experiment is + described in detail in section \ref{sect:eg-simple-tracer}. \item \texttt{adjustment.128x64x1} Barotropic adjustment problem on latitude longitude grid with 128x64 grid points ($2.8^\circ$ resolution). @@ -80,7 +85,7 @@ resolution). \item \texttt{advect\_cs} Two-dimensional passive advection test on - cube sphere grid. + cube sphere grid (32x32 grid points per face, roughly $2.8^\circ$) \item \texttt{advect\_xy} Two-dimensional (horizontal plane) passive advection test on Cartesian grid. @@ -88,89 +93,104 @@ \item \texttt{advect\_xz} Two-dimensional (vertical plane) passive advection test on Cartesian grid. -\item \texttt{tutorial\_tracer\_adjsens} Simple passive tracer experiment. Includes - derivative calculation. This experiment is described in detail in section - \ref{sect:eg-simple-tracer}. - -\item \texttt{flt\_example} Example of using float package. +\item \texttt{aim.5l\_Equatorial\_Channel} + - 5-levels Intermediate Atmospheric physics, + 3D Equatorial Channel configuration. -\item \texttt{global\_ocean.90x40x15} Global circulation with GM, flux - boundary conditions and poles. - -\item \texttt{tutorial\_global\_oce\_in\_p} Global circulation in pressure - coordinate (non-Boussinesq ocean model). Described in detail in - section \ref{sect:eg-globalpressure}. - -\item \texttt{solid-body.cs-32x32x1} Solid body rotation test for cube - sphere grid. - -\item \texttt{tutorial\_plume\_on\_slope} Gravity Plume on a continental slope. - This experiment is described in detail in section \ref{sect:eg-gravityplume}. - -\item \texttt{tutorial\_global\_oce\_biogeo} Ocean model coupled to the dissolved - inorganic carbon biogeochemistry model. This experiment is described in detail in section - \ref{sect:eg-biogeochem\_tutorial}. - -\item \texttt{tutorial\_global\_oce\_optim} Global ocean state estimation at $4^\circ$ resolution. - This experiment is described in detail in section \ref{sect:eg-global\_state\_estimate}. - -\item \texttt{tutorial\_offline} Offline form of the MITgcm to study advection of a passive - tracer. This experiment is described in detail in section \ref{sect:eg-offline}. - -\item \texttt{rotating\_tank} Rotating tank simulation in cylindrical coordinates. - This experiment is described in detail in section \ref{sect:eg-tank}. - -\item \texttt{MLAdjust} Simple test for different viscosity formulations. +\item \texttt{aim.5l\_LatLon} - 5-levels Intermediate Atmospheric physics, + Global configuration, on latitude longitude grid with 128x64x5 grid + points ($2.8^\circ$ resolution). + +\item \texttt{aim.5l\_cs} - 5-levels Intermediate Atmospheric physics, + Global configuration on cube sphere grid + (32x32 grid points per face, roughly $2.8^\circ$). -\item \texttt{bottom_ctrl_5x5} Adjoint test using the bottom topography as the - control parameter. +\item \texttt{bottom\_ctrl\_5x5} Adjoint test using the bottom + topography as the control parameter. -\item \texttt{cfc_example} Global ocean with online computation and advection of -CFC11 and CFC12. +\item \texttt{cfc\_example} Global ocean with online computation and + advection of CFC11 and CFC12. \item \texttt{dome} Idealized 3D test of a density-driven bottom current. \item \texttt{exp2} Old version of the global ocean experiment. +\item \texttt{exp4} - Flow over a Gaussian bump in open-water or + channel with open boundaries. + \item \texttt{exp5} Deep convection. -\item \texttt{fizhi-cs-32x32x10} Global atmospheric simulation with realistic topography, - 10 vertical levels, a cubed sphere grid and the full atmospheric physics package. +\item \texttt{fizhi-cs-32x32x40} Global atmospheric simulation with + realistic topography, 10 vertical levels, a cubed sphere grid and + the full atmospheric physics package. + +\item \texttt{fizhi-cs-aqualev20} Global atmospheric simulation on an + aqua planet with full atmospheric physics. Run is perpetual march + with an analytical SST distribution. This is the configuration for + the APE (Aqua Planet Experiment) participation experiment. + +\item \texttt{fizhi-gridalt-hs} Global atmospheric simulation + Held-Suarez (1994) forcing, with the physical forcing and the + dynamical forcing running on different vertical grids. -\item \texttt{fizhi-cs-aqualev20} Global atmospheric simulation on an aqua planet with - full atmospheric physics. Run is perpetual march with an analytical SST distribution. - This is the configuration for the APE (Aqua Planet Experiment) participation experiment. +\item \texttt{flt\_example} Example of using float package. + +\item \texttt{front\_relax} - Relaxation of an ocean thermal front + (test for Gent/McWilliams scheme). 2D (Y-Z). + +\item \texttt{global\_ocean.90x40x15} Global circulation with GM, flux + boundary conditions and poles. -\item \texttt{fizhi-gridalt-hs} Global atmospheric simulation Held-Suarez (1994) forcing, - with the physical forcing and the dynamical forcing running on different vertical grids. +\item \texttt{global\_ocean.cs32x15} Global ocean experiment on the + cubed sphere grid, using thermodynamic sea ice and bulk force + packages. + +\item \texttt{global\_ocean\_ebm} Global ocean experiment on a lat-lon + grid coupled to an atmospheric energy balance model. Similar to + global\_ocean.90x40x15 experiment. -\item \texttt{global_ocean.cs32x15} Global ocean experiment on the cubed sphere grid, using -thermodynamic sea ice and bulk force packages. +\item \texttt{global\_with\_exf} Global ocean experiment on a lat-lon + grid using the exf package. Similar to global\_ocean.90x40x15 + experiment. + +\item \texttt{hs94.128x64x5} - 3D atmosphere dynamics using Held and + Suarez '94 forcing. + +\item \texttt{hs94.1x64x5} - Zonal averaged atmosphere using Held and + Suarez '94 forcing. + +\item \texttt{hs94.cs-32x32x5} 3D atmosphere dynamics using Held and + Suarez (1994) forcing on the cubed sphere. 5 vertical levels. -\item \texttt{global_ocean_ebm} Global ocean experiment on a lat-lon grid coupled to an -atmospheric energy balance model. Similar to global_ocean.90x40x15 experiment. +\item \texttt{ideal\_2D\_oce} Idealized 2D global ocean simulation on + an aqua planet. -\item \texttt{global_with_exf} Global ocean experiment on a lat-lon grid using the exf -package. Similar to global_ocean.90x40x15 experiment. +\item \texttt{internal\_wave} - Ocean internal wave forced by open + boundary conditions. -\item \texttt{hs94.cs-32x32x5} 3D atmosphere dynamics using Held and Suarez - (1994) forcing on the cubed sphere. 5 vertical levels. +\item \texttt{inverted\_barometer} Simple test of ocean response to + atmospheric pressure loading. -\item \texttt{ideal_2D_oce} Idealized 2D global ocean simulation on an aqua planet. +\item \texttt{lab\_sea} Regional Labrador Sea simulation on a lat-lon + grid. Coupled to the sea ice model. -\item \texttt{inverted_barometer} Simple test of ocean response to atmospheric pressure -loading. +\item \texttt{matrix\_example} Test of experimental method to + accelerated convergence towards equillibrium. -\item \texttt{lab_sea} Regional Labrador Sea simulation on a lat-lon grid. Coupled to -the sea ice model. +\item \texttt{MLAdjust} Simple test for different viscosity formulations. -\item \texttt{matrix_example} Test of experimental method to accelerated convergence towards -equillibrium. +\item \texttt{natl\_box} - Eastern subtropical North Atlantic with KPP + scheme; 1 month integration + +\item \texttt{rotating\_tank} Rotating tank simulation in cylindrical + coordinates. This experiment is described in detail in section + \ref{sect:eg-tank}. -\item \texttt{tutorial_cfc_offline} Offline form of the MITgcm to study advection of a passive - tracer and CFCs. +\item \texttt{solid-body.cs-32x32x1} Solid body rotation test for cube + sphere grid. -\item \texttt{vermix} Simple test in a small domain (3 columns) for ocean vertical mixing schemes. +\item \texttt{vermix} Simple test in a small domain (3 columns) for + ocean vertical mixing schemes. \end{enumerate} @@ -229,12 +249,16 @@ In addition, you will also find in this directory the forcing and topography files as well as the files describing the initial state of the experiment. This varies from experiment to experiment. See - section 2 for more details. + the verification directories refered to in this chapter for more details. \item \texttt{results}: this directory contains the output file \texttt{output.txt} produced by the simulation example. This file is useful for comparison with your own output when you run the experiment. + +\item \texttt{build}: this directory is where the model is compiled + and loaded, and where the executable resides. + \end{itemize} Once you have chosen the example you want to run, you are ready to @@ -248,6 +272,9 @@ \input{part3/case_studies/fourlayer_gyre/fourlayer.tex} \newpage +\input{part3/case_studies/advection_in_gyre_circulation/adv_gyre.tex} + +\newpage \input{part3/case_studies/climatalogical_ogcm/climatalogical_ogcm.tex} \newpage @@ -263,9 +290,6 @@ \input{part3/case_studies/plume_on_slope/plume_on_slope.tex} \newpage -\input{part3/case_studies/carbon_outgassing_sensitivity/co2sens.tex} - -\newpage \input{part3/case_studies/biogeochem_tutorial/biogeochem.tex} \newpage