/[MITgcm]/MITgcm/verification/so_box_biogeo/README
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Revision 1.1 - (hide annotations) (download)
Wed Aug 27 21:38:16 2014 UTC (9 years, 7 months ago) by jmc
Branch: MAIN
CVS Tags: checkpoint66g, checkpoint66f, checkpoint66e, checkpoint66d, checkpoint66c, checkpoint66b, checkpoint66a, checkpoint66o, checkpoint66n, checkpoint66m, checkpoint66l, checkpoint66k, checkpoint66j, checkpoint66i, checkpoint66h, checkpoint65z, checkpoint65x, checkpoint65y, checkpoint65r, checkpoint65s, checkpoint65p, checkpoint65q, checkpoint65v, checkpoint65w, checkpoint65t, checkpoint65u, checkpoint65j, checkpoint65k, checkpoint65h, checkpoint65i, checkpoint65n, checkpoint65o, checkpoint65l, checkpoint65m, checkpoint65c, checkpoint65f, checkpoint65g, checkpoint65d, checkpoint65e, HEAD
short description + how input-files have been made.

1 jmc 1.1 Southern-Ocean box with Biochemistry, using Open-Boundary Conditions
2     (pkg/obcs) at Northern, Eastern and Western edges of the domain.
3     ======================================================================
4    
5     This experiment illustrates and tests the use of package DIC with OBCS.
6    
7     The configuration (e.g., resolution), model parameters and forcing are
8     almost identical to tutorial_global_oce_biogeo expect that the horizontal
9     domain is limited to a sub-domain around Drake passage with open-boundary
10     conditions coming from the last year of a 2 yrs global simulation and
11     initial conditions taken from t=1.yr of this same simulation.
12     This enable to compare directly the results of the first year simulation
13     of this regional set-up with the 2nd year results of the global set-up run.
14    
15     Configure and compile the code:
16     cd build
17     ../../../tools/genmake2 -mods ../code [-of my_platform_optionFile]
18     make depend
19     make
20     cd ..
21    
22     To run:
23     cd run
24     ln -s ../input/* .
25     ln -s ../build/mitgcmuv .
26     ./mitgcmuv > output.txt
27     cd ..
28    
29     There is comparison output in the directory:
30     results/output.txt
31    
32     ----------------------------------------------------------------------
33     To generate inital and open boundary conditions:
34     a) The global set-up (using executable from: tutorial_global_oce_biogeo/build)
35     was run for 2 years using model-parameter from inp_global/.
36     The only differences with the ones used in tutorial_global_oce_biogeo are:
37     - CD-Scheme is turned off (useCDscheme=F), since it is not implemented for OBCS ;
38     - as a consequence, horizontal viscosity (viscAh) is increased from 2.E5 to 3.E5;
39     - convective-adjustment diffusivity (ivdc_kappa) is reduced from 100. to 10.m^2/s;
40     - implicit vertical viscosity is turned off (not needed);
41     - free-surface exact conservation is turned on (exactConserv=T);
42     - use the Avective-Form of GM (in data.gmredi: GM_AdvForm=T) instead of Skew-Flux;
43    
44     to repeat this global simutlation, from so_box_biogeo/
45     mkdir run_glob ; cd run_glob
46     ln -s ../inp_global/* .
47     ../inp_global/prepare_run
48     ln -s ../../tutorial_global_oce_biogeo/build/mitgcmuv .
49     ./mitgcmuv > output.glob
50     cd ..
51    
52     b) Then regional model forcing files, initial conditions and open-boundary
53     conditions files are generated using the matlab script: "mk_box_input.m"
54     cd inp_global/
55     matlab
56     >> mk_box_input

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