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coupled to a dynamic thermodynamic sea-ice model. |
coupled to a dynamic thermodynamic sea-ice model. |
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A brief description of the sea-ice model is in "seaice.ps". |
A brief description of the sea-ice model is in "seaice.ps". |
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This experiment is a 1-cpu, 10-hour integration used to test |
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CPP option SEAICE_EXTERNAL_FORCING. Atmospheric state is read-in |
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using pkg/exf, rather than pkg/seaice routines. This experiment |
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uses pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf. |
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The domain of integration spans 280E to 320E and 46N to 78N. |
The domain of integration spans 280E to 320E and 46N to 78N. |
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Horizontal grid spacing is 2 degrees. |
Horizontal grid spacing is 2 degrees. |
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The 23 vertical levels and the bathymetry file |
The 23 vertical levels and the bathymetry file |
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lwdownFile = 'flo.labsea1979' # downward longwave radiation |
lwdownFile = 'flo.labsea1979' # downward longwave radiation |
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swdownFile = 'fsh.labsea1979' # downward shortwave radiation |
swdownFile = 'fsh.labsea1979' # downward shortwave radiation |
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precipFile = 'prate.labsea1979' # precipitation |
precipFile = 'prate.labsea1979' # precipitation |
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evapFile = 'evap.labsea1979' # evaporation |
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The experiment uses pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf. |
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The test is a 1-cpu, 10-hour integration. Both the atmospheric |
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state and the open-water surface fluxes are provided by pkg/exf. |
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Instructions for running default Experiment |
More pkg/seaice test experiments, configured for low and |
| 36 |
=========================================== |
high-resolution global cube-sphere domains are described |
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in MITgcm_contrib/high_res_cube/README_ice. |
| 38 |
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Compiling the code: |
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cd verification/lab_sea/input |
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ln -sf ../code/*.h . |
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../../../tools/genmake -makefile |
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make depend |
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make |
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Running the code: |
Using testscript to test sea-ice code |
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./mitgcmuv >&! output.txt |
===================================== |
| 42 |
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| 43 |
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Running the testscript experiment: |
| 44 |
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cd MITgcm/verification |
| 45 |
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./testreport -t lab_sea |
| 46 |
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| 47 |
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Note that fairly large differences in accuracy occur across different |
| 48 |
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platforms. For example, testscript comparisons between g77 (Linux) |
| 49 |
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and f77 (SGI) generated output gives: |
| 50 |
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| 51 |
There is comparison output in: |
T S U V |
| 52 |
diff output.txt ../results/output.txt | more |
C D M c m s m s m s m s |
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n p a R g m m e . m m e . m m e . m m e . |
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f n k u 2 i a a d i a a d i a a d i a a d |
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g d e n d n x n . n x n . n x n . n x n . |
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Y Y Y Y 8 10 9 11 10 9 11 13 10 9 8 8 9 8 9 8 9 FAIL lab_sea |
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| 59 |
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Instructions for generating and running a 1-CPU experiment |
| 61 |
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========================================================== |
| 62 |
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| 63 |
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cd MITgcm/verification/lab_sea |
| 64 |
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mkdir build |
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cd build |
| 66 |
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cp ../code/*.h ../code/packages.conf . |
| 67 |
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../../../tools/genmake2 |
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make depend |
| 69 |
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make |
| 70 |
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cd ../input |
| 71 |
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../build/mitgcmuv > output.txt |
| 72 |
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| 73 |
Matlab comparison script: |
Use matlab script lookat_exp1.m to compare the output |
| 74 |
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of exp1 with that from checkpoint51f sea-ice code: |
| 75 |
cd ../../../verification/lab_sea/matlab |
cd ../../../verification/lab_sea/matlab |
| 76 |
matlab |
matlab |
| 77 |
lookat_exp |
lookat_ice |
| 78 |
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| 79 |
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| 80 |
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Instructions for generating and running a 2-CPU experiment on kalpana |
| 81 |
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===================================================================== |
| 82 |
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| 83 |
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cd MITgcm/verification/lab_sea |
| 84 |
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mkdir build |
| 85 |
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cd build |
| 86 |
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\cp ../code/*.h ../code/packages.conf . |
| 87 |
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\cp ../code/SIZE.h_mpi SIZE.h |
| 88 |
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../../../tools/genmake2 -of ../../../tools/build_options/linux_ia64_efc+mpi_altix |
| 89 |
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make depend |
| 90 |
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make |
| 91 |
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cd ../input |
| 92 |
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mpirun -np 2 ../build/mitgcmuv |
| 93 |
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| 94 |
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| 95 |
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Instructions for testing useExfYearlyFields |
| 96 |
|
=========================================== |
| 97 |
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| 98 |
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cd MITgcm/verification/lab_sea/build |
| 99 |
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\rm * |
| 100 |
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\cp ../code/* . |
| 101 |
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sed 's/undef EXF_V/define EXF_V/' \ |
| 102 |
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../../../pkg/exf/EXF_OPTIONS.h > EXF_OPTIONS.h |
| 103 |
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../../../tools/genmake2 |
| 104 |
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make depend |
| 105 |
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make -j |
| 106 |
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cd ../run |
| 107 |
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\rm * |
| 108 |
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\cp ../input/* . |
| 109 |
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\mv v10m.labsea1979 v10m.labsea_1979 |
| 110 |
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\mv u10m.labsea1979 u10m.labsea_1979 |
| 111 |
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\mv flo.labsea1979 flo.labsea_1979 |
| 112 |
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\mv prate.labsea1979 prate.labsea_1979 |
| 113 |
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\mv tair.labsea1979 tair.labsea_1979 |
| 114 |
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\mv fsh.labsea1979 fsh.labsea_1979 |
| 115 |
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\mv qa.labsea1979 qa.labsea_1979 |
| 116 |
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\mv SSS_monthly.labsea1979 SSS_monthly.labsea_1979 |
| 117 |
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\ln -sf v10m.labsea_1979 v10m.labsea_1978 |
| 118 |
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\ln -sf u10m.labsea_1979 u10m.labsea_1978 |
| 119 |
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\ln -sf flo.labsea_1979 flo.labsea_1978 |
| 120 |
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\ln -sf prate.labsea_1979 prate.labsea_1978 |
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\ln -sf tair.labsea_1979 tair.labsea_1978 |
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\ln -sf fsh.labsea_1979 fsh.labsea_1978 |
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\ln -sf qa.labsea_1979 qa.labsea_1978 |
| 124 |
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\ln -sf SSS_monthly.labsea_1979 SSS_monthly.labsea_1978 |
| 125 |
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\mv data.exf_YearlyFields data.exf |
| 126 |
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\mv data_YearlyFields data |
| 127 |
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sed 's/tics = .TRUE./tics = .FALSE./' ../input/data.pkg > data.pkg |
| 128 |
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../build/mitgcmuv >& output.txt & |
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