Changes between Version 21 and Version 22 of Doc/Models/LMDZ

Timestamp:

07/18/16 14:10:46 (8 years ago)

Author:

acosce

Comment:

--

Doc/Models/LMDZ

@@ -46 +46 @@
     creates interannual AMIP boundary conditions
 
-[[NoteBox(warn, You must properly define the same calendar ''leap/noleap/360d'' in config.card of the job that creates initial states and in config.card of the job that starts your experiment.,600px)]]
+[[NoteBox(warn, You must properly define the same calendar ''leap/noleap/360d'' in config.card (don't forget to adapt the parameter !DateEnd of your simulation to this calendar) of the job that creates initial states and in config.card of the job that starts your experiment.,600px)]]
 
 
@@ -59 +59 @@
 
 '''Step 1''' [[BR]]
-Identify the time series for the simulation you want to use. Use the tsol_oce variables for the surface temperature (SST) and pourc_sic for the sea ice concentration (SIC). The variables must be monthly outputs of LMDZ. Divide the time series into annual files. For example, the files for the IPSLCM5A rcp4.5 simulation are located at CCRT :
+Identify the time series for the simulation you want to use. Use the tsol_oce variables for the surface temperature (SST) and pourc_sic for the sea ice concentration (SIC). The variables must be monthly outputs of LMDZ.
+For example, the files for the IPSLCM5A rcp4.5 simulation are located at CCRT :
 {{{
 /dmnfs/cont003/p86denv/IGCM_OUT/IPSLCM5A/PROD/rcp45/v3.rcp45.1/ATM/Analyse/TS_MO/v3.rcp45.1_20060101_21251231_1M_tsol_oce.nc
 /dmnfs/cont003/p86denv/IGCM_OUT/IPSLCM5A/PROD/rcp45/v3.rcp45.1/ATM/Analyse/TS_MO/v3.rcp45.1_20060101_21251231_1M_pourc_sic.nc
 }}}
-
-Use cdo to divide them into annual files with 12 timesteps in each file:
+ You can choose to work with annual variability or with a climatology. 
+
+ * Annual variability (for this case you will use the experiment CREATE_amip) 
+Divide the time series into annual files. Use cdo to divide them into annual files with 12 timesteps in each file:
 {{{
 cdo splityear all_path_to_file_TS_MO_tsol_oce.nc  $WORKDIR/my_new_dir/v3.rcp45.1_tsol_oce_
@@ -71 +74 @@
 }}}
 
+ * Climatology (for this case you will use the experiment CREATE_clim) 
+You can make an average for each month over the years. 
+{{
+cdo ymonmean all_path_to_file_TS_MO_tsol_oce.nc  $WORKDIR/my_new_dir/v3.rcp45.1_tsol_oce.nc
+cdo ymonmean all_path_to_file_TS_MO_pourc_sic.nc $WORKDIR/my_new_dir/v3.rcp45.1_pourc_sic.nc
+}}
+
+
 '''Step 2'''[[BR]]
 The annual files can now be used directly with the ce0l program (revision 1508 or later) LMDZ5/trunk. The files must be renamed histmth_sst.nc and histmth_sic.nc in the execution directory. The AMIP files must not be in the execution directory because they will be used first. 
 
-Use EXPERIMENT/LMDZ/CREATE_amip. Change it to use those new files instead of the AMIP files: 
+Use EXPERIMENT/LMDZ/CREATE_amip (or CREATE_clim, following the case you choose before). Change it to use those new files instead of the AMIP files: 
 {{{
 cd modipsl/config/XXXX     # XXXX can be all v5 or v6 configurations containing LMDZ