Aquaplanet-slab-ocean.md

+# How to run aquaplanet slab ocean experiments using MPI-ESM
+Currently, one has to use the `mpiesm-landveg` branch if you'd like to run aquaplanet slab ocean. 
+
+The example shown below is based on [previous guideline in here](https://gitlab.dkrz.de/jsbach/jsbach/-/wikis/uploads/3bae9f07c2ab3a9c5ac33a6894f9c211/Getting_Started_with_Git_for_MPIESM.pdf)
+
+## Download model
+### Clone mpiesm without --recursive and put it in directory mpiesm-landveg 
+```bash
+git clone git@git.mpimet.mpg.de:mpiesm.git mpiesm-landveg
+cd mpiesm-landveg 
+# Check which branch you're on
+git branch 
+```
+### Check out `mpiesm-landveg` branch 
+```bash
+git checkout mpiesm-landveg 
+# Check which branch you're on
+git branch 
+```
+
+### Check whether submodules are initialised and/or checked out (likely not)
+```bash
+git submodule
+# This should list all submodules not yet initialised or checked out
+```
+
+### Initialise and check out submodules, then check again
+```bash
+git submodule update --init 
+git submodule
+```
+
+## Compile model
+### Read RECIPE.landveg
+
+### Edit landveg-compile.ksh to your needs
+Of primary importance for aquaplanet slab ocean, you will be using mpiesm-as (echam6 only).
+
+```bash
+vers=aqua                 # model version (tag used in the executable name)
+cplmod=mpiesm-as          # coupled model name: mpiesm-s     (jsbach3, cbalance, hd)
+                         #                     mpiesm-s4    (jsbach4)
+                         #                     mpiesm-as    (echam6)
+                         #                     mpiesm-as4   (echam6 with jsbach4)
+                         #                     mpiesm-asob  (mpiesm-1.2)
+compiler=intel           # compiler to be used (nag/intel/gcc)
+configure=yes            # yes: run configure - mandatory if running the first time model version $vers
+automake=no              # yes: run automake, e.g. if dependencies changed  (only with configure=yes)
+make_argument="-j 8"     # number of processes for make, 'clean' or 'distclean'
+                         #   (make clean needs the modules, thus script is helpful)
+```
+
+### Execute landveg-compile.ksh
+```bash
+./landveg-compile.ksh
+```
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