Changes between Version 42 and Version 43 of Documentation/Drivers


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Timestamp:
10/01/21 16:52:26 (4 months ago)
Author:
xnwang
Comment:

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  • Documentation/Drivers

    v42 v43  
    5959'''II) Useful information for the users of the new driver:''' 
    6060 
    61 1) The new driver need the forcing files of previous, current, and next year. 
     611) When users download the recent ORCHIDEE trunk, the default simulation configurations are already prepared and are ready to be used. they are in config/ORCHIDEE_OL/, with 'nd' in the folder names as for new driver. 
     62 
     632) The new driver need the forcing files of previous, current, and next year. 
    6264        Suppose that we have forcing files over 1901-1910, we need forcing files for 1900 and 1911 when using the new driver. The script AddYears is to prepare for such forcing files. 
    6365        * Most recent forcing files now have extra forcing files in the default IGCM repository: the users do not need run this script, or modify the data path in .card. Running a simulation with new driver will be the same as the old one, since the good configuration files .card are already included in the experiment folder. 
    6466        * If a user need older version of forcing files, he/she may need to: a) run the script AddYears firstly, b) then modify the forcing path in the orchideedriver.card by using the right path to the forcing files before launching simulation.c) be careful about the calendar type for different forcing files. This script has been tested with CRUJRA (two deg and half deg of of recent version), WFDEI, CRU-NCEP (two deg and one deg).  
    6567 
    66 2) The number of MPI is 64 in the config.card by default if using WFDEI 0.5 degree, and it is 32 if using CRU 2degree. The users should choose the right forcing files for their simulation firstly, and then use a good MPI number according to their need and their computing resource.  
     683) The number of MPI is 64 in the config.card by default if using WFDEI 0.5 degree, and it is 32 if using CRU 2degree. The users should choose the right forcing files for their simulation firstly, and then use a good MPI number according to their need and their computing resource.  
    6769 
    68 3) in PARAM/orchidee.def: if we use forcing file of coarse resolution, it would be better to set RIVER_ROUTING = n to avoid possible routing errors. 
     704) in PARAM/orchidee.def: if we use forcing file of coarse resolution, it would be better to set RIVER_ROUTING = n to avoid possible routing errors. 
    6971 
    70 4) In PARAM/run.def, dt_sechiba =1200 (1800 in old driver). The larger value, the faster simulation. It is up to users to define the value of this parameter according to their specific need. 
     725) In PARAM/run.def, dt_sechiba =1200 (1800 in old driver). The larger value, the faster simulation. It is up to users to define the value of this parameter according to their specific need. 
    7173 
    72 5) The users might need to update libIGCM before running the new driver in other Tags than trunk. 
     746) The users might need to update libIGCM before running the new driver in other Tags than trunk. 
    7375 
    7476