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Baroclinic wave experiment by Polvani et al. (2004)

A method to perform a baroclinic wave experiment by Polvani et al. (2004) is described.


  1. Overview
  2. Preparation of a directory for experiments
  3. Create initial data file
  4. Run the experiment
  5. References

Overview

This experiment does not require additional data. So, the experiment is performed with the following 3 steps:

Preparation of a directory for experiments

Move to "practice" directory.

$ cd practice

In the directory, execute 'make' command. The execution files and the NAMELIST files will be automatically copied. Input directory name after inputting 'make' command. (It is assumed "p04-exp" in the following example). Input 'Enter' to the question after that.

$ make

****** Setup a directory for a experiment ******

  Enter directory name [testXX]: p04-exp
  Directory in which executable files are prepared
    [../src/main]:
  Directory in which NAMELIST files are prepared
    [../src/main]:
  Save F90/95 source code files? [y/N]: 

                :

*** Setup of "p04-exp" is complete ***

Then a directory 'p04-exp' is created, and executable files, NAMELIST files, and source code files are copied to the directory. Move to the 'p04-exp'.

$ cd p04-exp

Note that you can perform an experiment in any directory by using executable files and configuration (namelist) files.

Create initial data file

Create initial data file "init_T21L20.nc" using "init_data" and "init_data_p04_T21L20.nml"

$ ./init_data -N=init_data_p04_T21L20.nml

 *** MESSAGE [init_data] ***  Run: Initial data generation
 *** MESSAGE [init_data] ***  -- version = $Name: dcpam5-20110228-4 $$Id: exp-p04.rd,v 1.5 2011-02-25 06:34:58 yot Exp $
 *** MESSAGE [namelist_util] ***  ----- Initialization Messages -----
 *** MESSAGE [namelist_util] ***    MaxNmlArySize = 256
 *** MESSAGE [namelist_util] ***  -- version = $Name: dcpam5-20110228-4 $$Id: exp-p04.rd,v 1.5 2011-02-25 06:34:58 yot Exp $
 *** MESSAGE [timeset] ***  NAMELIST group "timeset_nml" is loaded from "init_data_p04_T21L20.nml".
                       : 
 *** MESSAGE [initial_data] ***    QVapAvr = 0.
 *** MESSAGE [initial_data] ***    Ueq     = 0.
 *** MESSAGE [initial_data] ***
 *** MESSAGE [initial_data] ***  -- version = $Name: dcpam5-20110228-4 $$Id: exp-p04.rd,v 1.5 2011-02-25 06:34:58 yot Exp $
 *** MESSAGE [HistoryClose] ***  "init_T21L20.nc" is closed

 ############## CPU TIME SUMMARY ################
 others                 0.200000E-01
 ------------------------------------------------
        TOTAL TIME =    0.200000E-01

Run the experiment

Using an executable files 'dcpam_main' and a NAMELIST file dcpam_p04_T21L20.nml, execute 'dcpam_main' as follows. This program will be finished in few minutes - tens of minutes.

$ ./dcpam_main -N=dcpam_p04_T21L20.nml | tee p04.log

 *** MESSAGE [namelist_util] ***  ----- Initialization Messages -----
 *** MESSAGE [namelist_util] ***    MaxNmlArySize = 256
 *** MESSAGE [namelist_util] ***  -- version = $Name: dcpam5-20110228-4 $$Id: exp-p04.rd,v 1.5 2011-02-25 06:34:58 yot Exp $
 *** MESSAGE [dcpam_main] ***  NAMELIST group "dcpam_main_nml" is loaded from "dcpam_p04_T21L20.nml".
 &DCPAM_MAIN_NML FLAGDYNAMICS=T,FLAGFULLPHYSICS=F,FLAGHS94=F,FLAGVENUSSIMPLE=F,FLAGJUPITERSIMPLE=F,FLAGRADIATIONDENNOUAGCM=T,FLAGRADIATIONDCPAMEV1=F,FLAGRADIATIONDCPAMMV1=F,FLAGRADIATIONSL09=F,FLAGPHYIMP1LAYMODEL=T,FLAGPHYIMPSOILMODEL=F,FLAGPHYIMPSOILMODELSO=F,FLAGPHYIMPATMONLY=F,FLAGVERTICALFILTER=F/
 *** MESSAGE [dcpam_main] ***  FlagDynamics=<T>.
 *** MESSAGE [dcpam_main] ***  FlagRadiationDennouAGCM=<T>.
                   :
 *** MESSAGE [HistoryClose] ***  "TotEngy.nc" is closed
 *** MESSAGE [HistoryClose] ***  "Enstro.nc" is closed

 ############## CPU TIME SUMMARY ################
 surface_properties     0.904434E-07
 dynamics_hspl_vas83    0.380824E+01
 mass_fixer             0.132011E+00
 check_prog_vars        0.360025E-01
 timefilter_asselin19   0.760067E-01
 others                 0.212009E+00
 ------------------------------------------------
        TOTAL TIME =    0.426427E+01

In this case, 12 days integration is performed. Resolution is T21L20 (Number of grid points of longitude, latitude is 64, 32, and number of vertical layer is 20). History data are output to 'U.nc' and 'Temp.nc' etc., and a restart data is output to 'restart.nc'.

References


$Id: exp-p04.rd,v 1.5 2011-02-25 06:34:58 yot Exp $
DCPAM Development Group / GFD Dennou Staff dcstaff@gfd-dennou.org