Ganymed 4.0 User's Guide: Difference between revisions
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Most of the time for longer runs you will be using a release version of the model, perhaps compiled with a different version of one or more of the model's gridded components, as defined by subdirectories in the source code. This process starts with checking out the stock model from the repository using the command | Most of the time for longer runs you will be using a release version of the model, perhaps compiled with a different version of one or more of the model's gridded components, as defined by subdirectories in the source code. This process starts with checking out the stock model from the repository using the command | ||
cvs co -r ''TAGNAME'' -d ''DIRECTORY'' | cvs co -r ''TAGNAME'' -d ''DIRECTORY'' Ganymed | ||
where ''TAGNAME'' is the model "tag" (version). A tag in <code>cvs</code> marks the various versions of the source files in the repository that together make up a particular version of the model. A sample release tag is <code>Ganymed-4_0_BETA8</code>, indicating the latest patch of version Ganymed 4.0 for general use. ''DIRECTORY'' is the directory that the source code tree will be created. If you are using a stock model tag it is reasonable to name the directory the same as the tag. This directory determines which model in presumably your space a particular experiment is using. Some scripts use the environment variable <code>ESMADIR</code>, which should be set to the absolute (full) pathname of this directory. | where ''TAGNAME'' is the model "tag" (version). A tag in <code>cvs</code> marks the various versions of the source files in the repository that together make up a particular version of the model. A sample release tag is <code>Ganymed-4_0_BETA8</code>, indicating the latest patch of version Ganymed 4.0 for general use. ''DIRECTORY'' is the directory that the source code tree will be created. If you are using a stock model tag it is reasonable to name the directory the same as the tag. This directory determines which model in presumably your space a particular experiment is using. Some scripts use the environment variable <code>ESMADIR</code>, which should be set to the absolute (full) pathname of this directory. | ||
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== Setting up a Global Model Run == | == Setting up a Global Model Run == | ||
The following describes how to set up a global model run. The procedure to set up a single column model run is described in [[Ganymed | The following describes how to set up a global model run. The procedure to set up a single column model run is described in [[Ganymed 4.0 Single Column Model]]. | ||
=== Using <code>gcm_setup</code> === | === Using <code>gcm_setup</code> === | ||
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<pre> | <pre> | ||
Enter the Data_Ocean Horizontal Resolution code: o1 (1 -deg, | Enter the Data_Ocean Horizontal Resolution code: o1 (1 -deg, 360x180 Reynolds) Default | ||
o8 (1/8-deg, 2880x1440 | o2 (1/4-deg, 1440x720 MERRA-2) | ||
o8 (1/8-deg, 2880x1440 OSTIA) | |||
</pre> | </pre> | ||
This selects the source of SST boundary conditions, 1 degree Reynolds or 1/8 degree OSTIA. | This selects the source of SST boundary conditions, 1 degree Reynolds, 1/4 degree MERRA-2 or 1/8 degree OSTIA. | ||
Unless you are using a higher-resolution experiment, the default will suffice. | Unless you are using a higher-resolution experiment, the default will suffice. | ||
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Hit ENTER to use Default Location: | Hit ENTER to use Default Location: | ||
---------------------------------- | ---------------------------------- | ||
Default: /discover/nobackup/aeichman/Ganymed- | Default: /discover/nobackup/aeichman/Ganymed-4_0_BETA8 | ||
</pre> | </pre> | ||
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<pre> | <pre> | ||
Current GROUPS: g0620 | Current GROUPS: g0620 gmaoint q_warp q_warp-test | ||
Enter your GROUP ID for Current EXP: (Default: g0620) | Enter your GROUP ID for Current EXP: (Default: g0620) | ||
</pre> | </pre> | ||
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Done! | Done! | ||
----- | ----- | ||
Build Directory: /discover/nobackup/aeichman/Ganymed- | Build Directory: /discover/nobackup/aeichman/ Ganymed-4_0_BETA8 | ||
---------------- | ---------------- | ||
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The following executable has been placed in your Experiment Directory: | The following executable has been placed in your Experiment Directory: | ||
---------------------------------------------------------------------- | ---------------------------------------------------------------------- | ||
/discover/nobackup/aeichman/Ganymed- | /discover/nobackup/aeichman/Ganymed-4_0_BETA8/Linux/bin/GEOSgcm.x | ||
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A cleanly completed model run will leave a set of restarts and the corresponding <code>cap_restart</code> in its experiment directory. Another source is <code>/archive/u/aeichman/restarts</code>. Restarts are also left during runs in date-labeled tarballs in the <code>restarts</code> directory under the experiment directory before being transferred to the user's <code>/archive</code> space. You may have to create the <code>cap_restart</code>, which is simply one line of text with the date of the restart files in the format ''YYYYMMDD HHMMSS'' (with a space). | A cleanly completed model run will leave a set of restarts and the corresponding <code>cap_restart</code> in its experiment directory. Another source is <code>/archive/u/aeichman/restarts</code>. Restarts are also left during runs in date-labeled tarballs in the <code>restarts</code> directory under the experiment directory before being transferred to the user's <code>/archive</code> space. You may have to create the <code>cap_restart</code>, which is simply one line of text with the date of the restart files in the format ''YYYYMMDD HHMMSS'' (with a space). | ||
Failing the above sources, you can convert restarts from different resolutions and model versions, including MERRA, as described in [[Regridding Restarts for Ganymed | Failing the above sources, you can convert restarts from different resolutions and model versions, including MERRA, as described in [[Regridding Restarts for Ganymed 4.0]]. | ||
== What Happens During a Run == | == What Happens During a Run == | ||