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tools:ocean_nudging2 [2018/07/25 12:44] vsicardi |
tools:ocean_nudging2 [2019/08/12 12:53] (current) vlapin [How to run a nudging experiment with EC-Earth 3.2.3] |
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- | You can run experiments activating surface restoring or Newtonian | + | You can run experiments activating surface restoring or Newtonian |
Both features are already part of NEMO code, nevertheless with auto-ecearth there are some parameters to activate in the configuration files and some variables to take care of in the namelist. This guide is mostly thought for AUTO-ECEARTH users. | Both features are already part of NEMO code, nevertheless with auto-ecearth there are some parameters to activate in the configuration files and some variables to take care of in the namelist. This guide is mostly thought for AUTO-ECEARTH users. | ||
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**2.Namelist settings** | **2.Namelist settings** | ||
- | Note that, depending on the branch the user wants to use this part is already set-up. See section about available branches for available branches. | + | Note that, depending on the branch the user wants to use this part is already set-up. See section about available branches for available branches. The following namelist refers to the branch: r5671-bsc_ocean_DA. some difference can be found when using a different branch. |
- | You can use nemo-only or coupled version for your nudged experiments. | + | You can use nemo-only or coupled version for your nudged experiments. Depending on this option, |
- | Depending on this the namelist will be standalone or coupled (obvious, but important to remember) | + | |
- | Here is an example to activate SST restoring | + | Here is an example to activate SST restoring |
- | + | in section nambsrc you will find: | |
- | | + | |
+ | | ||
+ | |||
+ | This is switched on from configuration file. So do not worry about it. If SURF_RESTO = TRUE in proj.conf, | ||
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+ | Here there are some parameters that the user should check: | ||
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& | & | ||
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! filename | ! filename | ||
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/ | / | ||
- | !----------------------------------------------------------------------- | + | !----------------------------------------------------------------------- |
+ | |||
Reference data | Reference data | ||
- | Nudging files, as defined in fldread.F90. They can be one file per year (even if there are one record per month in it), or one separate file for each and every month. In the following example it's one file with 12 months, for each variable. | ||
Note that the name of the file contains " | Note that the name of the file contains " | ||
- | sst_restore_data_yXXXX.nc | ||
- | sss_restore_data_yXXXX.nc | ||
- | SST parameters : | + | SST parameters |
nn_sstr | nn_sstr | ||
- | sn_sst | + | sn_sst file name = name of the file, in the format: sst_restore_data. if you use s4 or one of your exp, do not modify it. auto-ecearth will do the job. The name of the nudging file, is defined in fldread.F90, |
- | + | ||
- | file name : Name of the nudging file, as defined in fldread.F90, | + | |
frequency : the frequency of the data, usually 1 month, i.e. -1 | frequency : the frequency of the data, usually 1 month, i.e. -1 |