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Contents of directory data:Description
40r1/Contains data files for versions of OpenIFS versions based on Cycle 40 Release 1 of IFS40r1.
43r3/Contains data files for versions of OpenIFS 43r3.


Info

These files are the same for all OpenIFS experiments. To save space for multiple users, it's recommended they are placed somewhere central and not copied to each user run directory. The sample job scripts provided assume that links are created from these files to the user run directory.

We suggest creating a directory ifsdata somewhere and unpacking the files there.

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FilenameSizeDescription
<version>/ifsdata_climatology_<version>.tgz15Mb

Contains the various long-lived gases and aerosol climatologies used by the model.e.g. files C11CLIM, MCICA, etc.

Unpacks into a directory called

climate

<version>/ifsdata.

<version>/ifsdata_<version>_climate_t*.tar.gztgzvaries

Contains ozone climatology for all supported horizontal and vertical resolutions, including full and reduced Gaussian grid versions.For example, unpacks into two directories, 40 and 40r1. The files in 40r1 link to the files in 40 but allow for model version specific

changes.Unpacks into a directory: <version>/climate/<resolution><grid_type>.

These contain data split one file per horizontal resolution with a suffix that corresponds to the type of model grid. For example '40r1/climate/159l_2', would correspond to the OpenIFS 40r1 model release, with a T159 linear grid. For further explanation of the model grid types, please see the user guide section.

If you want to save space, you can download just the resolutions you intend working with.

<version>/ifsdata_rtables_<version>.tar.gztgz<1Mb

Contains namelists defining the supported grid resolutions for the radiation scheme. File name suffix refers to the type of grid and last 3 digits refers to the horizontal resolution.

Unpacks to a directory: <version>/rtables

<version>/ifsdata_vtables_<version>.tar.gztgz<1Mb

Contains namelists defining the coefficients for the supported vertical resolutions. File name suffix refers to the number of levels.

Unpacks to a directory: <version>/vtables.

<version>/ifsdata_namelist_<version>.tgz<1Mb

Contains the full model namelist set for this OpenIFS version.

Unpacks to a directory: <version>/namelist.

To unpack the files either use the tar zxf command if your version of tar supports the 'z' option, or use gunzip followed by tar xf.

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