/[MITgcm]/MITgcm_contrib/eh3/llc/ecco-godae/README
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revision 1.2 by heimbach, Mon Nov 13 17:19:06 2006 UTC revision 1.4 by heimbach, Tue Mar 6 20:47:49 2007 UTC
# Line 9  Note that the *.mitgrid files must be na Line 9  Note that the *.mitgrid files must be na
9  or they will not be read correctly by MITgcm:  or they will not be read correctly by MITgcm:
10    
11    cd run    cd run
12    for i in 1 2 3 4 5 ; do    for i in 1 2 3 4 5 6; do
13      ln -s ../input/llc_p90_${i}.mitgrid tile00${i}.mitgrid      ln -s ../input/llc_p90_${i}.mitgrid tile00${i}.mitgrid
14    done    done
15    
16    Change topology:
17    
18    cd MITgcm/utils/exch2/matlab-topology-generator/
19    
20    modify matlab script driver_llc.m
21    line
22    nr = 360; ng = 90; nb = 90; tnx=90;tny=90;
23    to (e.g.)
24    nr = 360; ng = 90; nb = 90; tnx=30;tny=30;
25    run script
26    
27    This generates routine and header
28    w2_e2setup.F
29    W2_EXCH2_TOPOLOGY.h
30    which need to go in code/
31    
32    Accordingly, bathy.0??.0??.data need changing.
33    
34    N.B. Domain decomposition nPy not active with exch2, i.e.
35    possible decomps are (for orig. with 17 tiles):
36    sNx = 90 30 90  30
37    sNy = 90 30 90  30
38    nSx = 17 17  1   1
39    nSy =  1  1  1   1
40    nPx =  1  9 17 153
41    nPy =  1  1  1   1
42    
43    I've generated artificial tile #18 with all zeros
44    blanklist.txt needs to be generated by hand.
45    Not clear how many procs to invoke in presence of blank list.
46    
47  Setup code_15lev/, input_15lev/  Setup code_15lev/, input_15lev/
48  -------------------------------  -------------------------------
49    
50  Real bathymetry, 15 vertical levels,  * Real bathymetry, 15 vertical levels,
51  monthly climatological forcing via exf package.  * monthly climatological forcing via exf package, uses
52      4x4 deg. fields with on-the-fly interpolation
53  * Bathymetry is generated via script ... in ...  * Bathymetry is generated via script ... in ...
54  * Initial conditions for T, S are generated via script ... in ...  * Initial conditions for T, S are generated via script ... in ...
55    
# Line 25  All input fields can be downloaded using Line 57  All input fields can be downloaded using
57  (which also contains link pattern to standard tile00${i}.mitgrid fields),  (which also contains link pattern to standard tile00${i}.mitgrid fields),
58  then link to run directory.  then link to run directory.
59    
60    Setup code_50lev/, input_50lev/
61    -------------------------------
62    
63    * Based on ETOPO2 bathy,
64    * 50 vertical level exactly matching high_res_cube (ECCO2), incl. partial cell params.
65    * forced by 6-hourly NCEP atmos. state, uses original reduced Gaussian grid
66      and exf interpolation on-the-fly
67    * initial conditions generated via scripts in
68      MITgcm_contrib/eh3/llc/ecco-godae/climatology/
69      resulting fields are
70      llc90x90x360_50lev_ptemp.bin, llc90x90x360_50lev_salt.bin
71      these fields are run are run with a diffusion/conv.adj. setup of MITgcm
72      for 10 days to remove some instabilities
73    * input fields can be obtained at
74      http://channel.mit.edu/datasets/MITgcm_input_files/MITgcm_contrib/eh3/llc/ecco-godae/data_50lev/
75    
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