source: branches/2012/dev_MERGE_2012/NEMOGCM/CONFIG/GYRE_BFM/README @ 3744

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Coupling with the Biogeochemical Flux Model (BFM)
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Author: M. Vichi, BFM system team and NEMO system team
INFO HELPDESK: info@bfm-community.eu
WEB SITE: www.bfm-community.eu
REVISION DATE: January 2013

Please address any technical query to the BFM System Team 
bfm_st@lists.cmcc.it
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What is the BFM?
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The Biogeochemical Flux Model (BFM) is a numerical model for the 
simulation of the dynamics of major biogeochemical properties 
in marine ecosystems.  The BFM is open source software freely available 
under the GNU Public License. The model can be used in standalone mode 
to simulate a 0-D system or coupled with other OGCM.
The coupling with NEMO is maintained by CMCC as part of the 
NEMO system team activity

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How to get the BFM code
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The code can be downloaded from http://www.bfm-community.eu after
the registration of a new user. Follow the instructions on how to 
install the code. It is recommended to run the STANDALONE test cases 
before using the NEMO-BFM coupled system.

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Compile NEMO with the BFM 
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Make sure that the BFMDIR variable is defined in your environment
(ex: export BFMDIR=path/to/bfm)
Define the variable NEMODIR pointing to the root of NEMO source code
(ex: export NEMODIR=path/to/nemo)

Go to the $BFMDIR/build directory and modify the script
config_GYRE_BFM.sh
adding the appropriate ARCHFILE that is used for the NEMO compilation.
The script will generate the BFM code and then launch makenemo
to build the executable in this directory.

Once the BFM code has been generated the first time, the code can be 
rebuilt with the following command:
./makenemo -n GYRE_BFM -m ARCHFILE -e $BFMDIR/src/nemo 

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Standard test case
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The distributed standard test case is GYRE_BFM, a version of GYRE
with a full-blown BFM. It is a demnstration simulation and it is not
meant to produce any published result. The namelistsfor the BFM are 
not distributed with NEMO but are found in the BFM tree, in
directory $BFMDIR/run/nemo/GYRE_BFM. The user can either copy the content
of $NEMODIR/NEMOGCM/CONFIG/GYRE_BFM/EXP00 in this directory or the
other way around. GYRE_BFM runs with analytical input data only.

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Other examples
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Other couplings with NEMO are available in $BFMDIR/run/nemo/.
Please refer to the README file in each directory for more information.