/[MITgcm]/MITgcm_contrib/osse/README
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revision 1.4 by afe, Tue Jun 8 17:37:45 2004 UTC revision 1.6 by afe, Sun Aug 22 18:47:41 2004 UTC
# Line 32  where examples and test examples of MITg Line 32  where examples and test examples of MITg
32    
33  CONTENTS  CONTENTS
34    
35    EnKF: empty
36    
37    build: handy place to compile MITgcm
38    
39  code: modifications to MITgcm to run in cyclindrical coordinates.  At  code: modifications to MITgcm to run in cyclindrical coordinates.  At
40  the time of this writing, it requires checkpoint48 to compile and run.  the time of this writing, it requires checkpoint48 to compile and run.
41    
42  input: initialization and input files for MITgcm  codemod: modification to MITgcm to run with checkpoint 54.  Not quite
43    ready for prime time.
44    
45  filter: source and data files to run the data assimilation and Kalman  da: location for ensemble members and initialization and input files
 filter.  
46    
47  utils: assorted Matlab m-files  input: initialization and input files for running MITgcm
48    
49  EnKF: empty  filter: source and data files to run the data assimilation and Kalman
50    filter.
51    
52  run: empty  run: empty
53    
54    utils: assorted Matlab m-files
55    
56    
57  COMPILING AND RUNNING THE MODEL  COMPILING AND TESTING THE MODEL
58    
59  The following series of commands creates the MITgcm executable.    The following series of commands creates the MITgcm executable.  
60    
61  From the MITgcm root:  From the MITgcm root:
62    
63  cd verification/osse  cd verification/osse/build  
 mkdir build   # directory name is arbitrary    
 cd build  
64  ../../../tools/genmake -mods=../code  # creates makefile  ../../../tools/genmake -mods=../code  # creates makefile
65  make depend       # contructs Fortran code from model codebase  make depend       # contructs Fortran code from model codebase
66  make              # makes executable mitgcmuv  make              # makes executable mitgcmuv
67    
68  Try a test run, while redirecting the standard output to a file.  The  Try a test run, while redirecting the standard output to a file.  The
69  input directory contains files that should be present in the working  input directory contains files that should be present in the working
70  directory when you run mitgcmuv.  It is recommended that you copy the  directory when you run mitgcmuv.  Assuming that you compiled the
71  input contents to a different directory for running -- mitgcmuv does  MITgcm executable in the build/ directory, you would run
72  not change them, but they can be lost in the multitudes of output  ``../build/mitgcmuv >& output.txt''  It is recommended that you copy the
73  files.  contents of the directory input/ to a different directory for running
74    -- mitgcmuv does not change them, but they can be lost in the multitudes
75    of output files.
76    
77  The data assimilation code is made by typing ``make'' in the filter  The data assimilation code is made by typing ``make'' in the filter
78  directory.  directory, which creates an executable named ``osse''.  
79    
80    Before running osse, the initial ensemble needs to be set up by
81    running the mkens script in verification/osse/da.  mkens creates the
82    directories, symbolically links files necessary to run the model, and
83    copies in the initial ensemble files.  osse should be run from the
84    directory verification/osse/da/inits since it expects the ensemble
85    members to be one directory above.  It also expects to have in its
86    working directory the file iobsloc-003.txt, which contains the
87    locations of the observations.  This file is located in
88    verification/osse/da/inits.
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