1 |
# Example: Subtropical North Atlantic and Labrador Sea Areas |
2 |
# ========================================================== |
3 |
# - forward/adjoint run |
4 |
# - optimization cost function |
5 |
# - The input data is real*8 |
6 |
# - The tests below assume that a "taf" executable is available |
7 |
# (http://www.fastopt.de/) |
8 |
|
9 |
>>>>>>>>>>>>>>>>>>>> DO THESE THINGS FIRST <<<<<<<<<<<<<<<<<<<< |
10 |
cvs co MITgcm_code |
11 |
cvs co MITgcm/verification/natl_box_adjoint |
12 |
cvs co MITgcm/verification/lab_sea |
13 |
cd MITgcm |
14 |
emacs verification/natl_box_adjoint/README & |
15 |
cd verification/natl_box_adjoint |
16 |
gunzip results*/output*.gz |
17 |
mkdir exe |
18 |
cd input |
19 |
wget -nd -r -A"PH*" http://batsi.mit.edu/datasets/MITgcm_input_files/MITgcm/verification/natl_box_adjoint/input |
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cd ../input_seaice |
21 |
wget -nd -r -A"*labsea*" http://batsi.mit.edu/datasets/MITgcm_input_files/MITgcm/verification/natl_box_adjoint/input_seaice |
22 |
wget -nd -r -A"pickup*" http://batsi.mit.edu/datasets/MITgcm_input_files/MITgcm/verification/natl_box_adjoint/input_seaice |
23 |
>>>>>>>>>>>>>>>>>>>> DO THESE THINGS FIRST <<<<<<<<<<<<<<<<<<<< |
24 |
|
25 |
#################### |
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# Experiment no. 1 # |
27 |
#################### |
28 |
# Use air-sea fluxes as controls (standard case): |
29 |
# perform gradient checks for first four elements of the |
30 |
# heat flux part of the control vector (grdchkvarindex = 3). |
31 |
# - with GMREDI, KPP, and shortwave heating |
32 |
# - 4 timesteps |
33 |
|
34 |
# Compile code in build/: |
35 |
cd ../build |
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../../../tools/genmake2 -ieee -mods=../code |
37 |
make depend |
38 |
make adall |
39 |
|
40 |
# To run: |
41 |
cd ../exe |
42 |
cp ../input/* . |
43 |
\rm output.txt |
44 |
../build/mitgcmuv_ad >& output.txt |
45 |
# To verify the results of the gradient check, type: |
46 |
grep grad-res output.txt |
47 |
# A reference output is in: |
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grep grad-res ../results/output.txt_adm |
49 |
|
50 |
|
51 |
#################### |
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# Experiment no. 2 # |
53 |
#################### |
54 |
# Use bulk formulae and atmospheric state controls |
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# (only differences to experiment 1 are in |
56 |
# ECCO_CPPOPTIONS.h and in data.grdchk): |
57 |
# perform gradient checks for first four elements of the |
58 |
# air temperture part of the control vector (grdchkvarindex = 7). |
59 |
|
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# Compile code in build/: |
61 |
cd ../build |
62 |
rm -f *.o *.f *.p rii_files *.flow |
63 |
rm -f *.F *.h *.c Makefile* *.template genmake_* |
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../../../tools/genmake2 -ieee -mods=../code_bulk |
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make depend |
66 |
make adall |
67 |
|
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# To run: |
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cd ../exe |
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cp ../input_bulk/* . |
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cp ../input_bulk/data.grdchk_precip data.grdchk |
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cp ../input/PH_*.data . |
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\rm output.txt |
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../build/mitgcmuv_ad >& output.txt |
75 |
# To verify the results of the gradient check, type: |
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grep grad-res output.txt |
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# A reference output is in: |
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grep grad-res ../results_bulk/output.txt_adm |
79 |
|
80 |
|
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#################### |
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# Experiment no. 4 # |
83 |
#################### |
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# Same as exp. 2, but with ALLOW_SEAICE defined and useseaice = .true. |
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|
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# Compile code in build/: |
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cd ../build |
88 |
rm -f *.o *.f *.p rii_files *.flow |
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rm -f *.F *.h *.c Makefile* *.template genmake_* |
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../../../tools/genmake2 -ieee -mods=../code_seaice |
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cp ../code_seaice/SEAICE_OPTIONS.h.FLUXES SEAICE_OPTIONS.h |
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make depend |
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make adall |
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|
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# To run: |
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cd ../exe |
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cp ../input_bulk/* . |
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cp ../input_bulk/data.grdchk_precip data.grdchk |
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cp ../input_seaice/data.seaice.cgrid data.seaice |
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cp ../input_seaice/data.pkg . |
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cp ../input_seaice/data.diagnostics . |
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cp ../input/PH_*.data . |
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\rm output.txt |
104 |
../build/mitgcmuv_ad >& output.txt |
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# To verify the results of the gradient check, type: |
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grep grad-res output.txt |
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# A reference output is in: |
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grep grad-res ../results_seaice/output_exp4.txt_adm |
109 |
|
110 |
|
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#################### |
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# Experiment no. 5 # |
113 |
#################### |
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# Same as exp. 4, but using sea-ice bulk formulae. |
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# This experiment tests pkg/seaice bulk formulae over open water. |
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# No sea-ice is formed anywhere in the domain. |
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|
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# Compile code in build/: |
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cd ../build |
120 |
rm -f *.o *.f *.p rii_files *.flow |
121 |
rm -f *.F *.h *.c Makefile* *.template genmake_* |
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../../../tools/genmake2 -ieee -mods=../code_seaice |
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make depend |
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make adall |
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|
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# To run: |
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cd ../exe |
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cp ../input_bulk/* . |
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cp ../input_bulk/data.grdchk_precip data.grdchk |
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cp ../input_seaice/data.seaice.cgrid data.seaice |
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cp ../input_seaice/data.pkg . |
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cp ../input_seaice/data.diagnostics . |
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cp ../input/PH_*.data . |
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\rm output.txt |
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../build/mitgcmuv_ad >& output.txt |
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# To verify the results of the gradient check, type: |
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grep grad-res output.txt |
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# A reference output is in: |
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grep grad-res ../results_seaice/output_exp5.txt_adm |
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|
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|
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#################### |
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# Experiment no. 6 # |
144 |
#################### |
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# Same as experiment 5, but in the Labrador Sea rather than in |
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# the North Atlantic subduction region. The cost function is |
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# total ice volume over the 4-hour test period. |
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# |
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# The cost function data files are not used. They contain: |
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# labsea_TP_fields : filled with -9999 |
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# labsea_TP_mean : hour 100 ssh (cm) of lab_sea experiment |
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# labsea_ERS_fields : filled with -9999 |
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# labsea_SST_fields : 14 * Levitus annual mean SST |
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# labsea_Lev.ptmp : 14 * Levitus annual mean temperature |
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# labsea_Lev.salt : 14 * Levitus annual mean salinity |
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# labsea_ssh.err : filled with -9999 |
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# labsea_geoid.err : constant 0.2 with -9999 landmask |
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# labsea_totflux.err : 100 with -9999 landmask |
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# labsea_pme.err : 4e-8 with -9999 landmask |
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# labsea_ustress.err : 3 with -9999 landmask |
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# labsea_vstress.err : 3 with -9999 landmask |
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|
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# To run: |
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cd ../exe |
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cp ../input_seaice/* . |
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cp ../input_bulk/data.grdchk . |
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\rm output.txt |
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../build/mitgcmuv_ad >& output.txt |
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# To verify the results of the gradient check, type: |
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grep grad-res output.txt |
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# A reference output is in: |
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grep grad-res ../results_seaice/output_exp6.txt_adm |
173 |
|
174 |
|
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#################### |
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# Experiment no. 6a # |
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#################### |
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# Same as experiment 6, but cost function is now misfit between |
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# daily mean seaice model AREA (fractional ice coverage) and |
180 |
# Scanning Microwave Radiometer (SMR) observations; |
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# fileneme: labsea_daily92to03_20x16_ICECONC |
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# Gradient check needs to run long enough (e.g. 240 timesteps) |
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# for sufficiently large gradients to build. |
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# |
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# To run: |
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cd ../exe |
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cp ../input_seaice/* . |
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cp ../input_seaice/data.240 data |
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cp ../input_seaice/data.seaice.cost_smrarea data.seaice |
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cp ../input_bulk/data.grdchk . |
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\rm output.txt |
192 |
../build/mitgcmuv_ad >& output.txt |
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# To verify the results of the gradient check, type: |
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grep grad-res output.txt |
195 |
# A reference output is in: |
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grep grad-res ../results_seaice/output_exp6a.txt_adm |
197 |
|
198 |
|
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#################### |
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# Experiment no. 7 # |
201 |
#################### |
202 |
# Same as experiment 6, but finite difference gradient check for |
203 |
# air temperature is computed and compared for the complete domain. |
204 |
# |
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# Notes: |
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# variables xx_* contain control vector perturbation |
207 |
# variables adxx_* contain cost function gradient relative to control |
208 |
|
209 |
# To run: |
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cd ../exe |
211 |
cp ../input_seaice/* . |
212 |
\rm output.txt |
213 |
../build/mitgcmuv_ad >& output.txt |
214 |
# To verify the results of the gradient check, type: |
215 |
grep grad-res output.txt > grad-res.txt |
216 |
cd ../results_seaice |
217 |
# plot with matlab: |
218 |
matlab |
219 |
lookat_exp8 |
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|
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|
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#################### |
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# Experiment no. 8 # |
224 |
#################### |
225 |
# Same as experiment 7, but starting from a checkpoint file. |
226 |
|
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# To run: |
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cd ../exe |
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cp ../input_seaice/* . |
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cp data.001 data |
231 |
\rm output.txt |
232 |
../build/mitgcmuv_ad >& output.txt |
233 |
# To verify the results of the gradient check, type: |
234 |
grep grad-res output.txt > grad-res.txt |
235 |
cd ../results_seaice |
236 |
matlab |
237 |
lookat_exp8 |
238 |
|
239 |
|
240 |
#################### |
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# Experiment no. 9 # |
242 |
#################### |
243 |
# Same as experiment 8, but starting from time step 180. |
244 |
# This includes a location (12,8) which experiences a phase |
245 |
# transition from no-ice to sea-ice, and which therefore has |
246 |
# a very large and inaccurate gradient. |
247 |
|
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# To run: |
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cd ../exe |
250 |
cp ../input_seaice/* . |
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cp data.180 data |
252 |
\rm output.txt |
253 |
../build/mitgcmuv_ad >& output.txt |
254 |
# To verify the results of the gradient check, type: |
255 |
grep grad-res output.txt > grad-res.txt |
256 |
cd ../results_seaice |
257 |
matlab |
258 |
lookat_exp8 |
259 |
|
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|
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##################### |
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# Experiment no. 10 # |
263 |
##################### |
264 |
# Set up a 100-day sensitivity experiment. |
265 |
# Things start falling apart, see below. |
266 |
# Longer integrations periods cause NANs in adjoint gradient. |
267 |
# Note: cost_ssh is hardwired for 1-day ssh records |
268 |
# "topexperiod" in data.cost is never used. |
269 |
|
270 |
# Compile code in build/: |
271 |
cd ../build |
272 |
rm -f *.o *.f *.p rii_files *.flow |
273 |
rm -f *.F *.h *.c Makefile* *.template genmake_* |
274 |
../../../tools/genmake2 -mods=../code_seaice |
275 |
make depend |
276 |
make adall |
277 |
make ftlall |
278 |
|
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# First run for 24 hours: |
280 |
cd ../exe |
281 |
cp ../input_seaice/* . |
282 |
cp data.24 data |
283 |
cp ../input_bulk/data.grdchk . |
284 |
# run the ADM |
285 |
\rm output.txt_adm |
286 |
../build/mitgcmuv_ad >& output.txt_adm |
287 |
# run the TLM |
288 |
\rm output.txt_tlm |
289 |
../build/mitgcmuv_ftl >& output.txt_tlm |
290 |
# To verify the results of the gradient check, type: |
291 |
grep grad-res output.txt_adm |
292 |
grep grad-res output.txt_tlm |
293 |
# A reference output is in: |
294 |
grep grad-res ../results_seaice/output_exp10.txt_adm |
295 |
grep grad-res ../results_seaice/output_exp10.txt_tlm |
296 |
|
297 |
# Now run for 100 days: |
298 |
cp data.100day data |
299 |
\rm output.txt_adm |
300 |
../build/mitgcmuv_ad >& output.txt_adm |
301 |
grep grad-res output.txt_adm |
302 |
# |
303 |
grad-res proc # i j k fc ref fc + eps fc - eps |
304 |
grad-res proc # i j k adj grad fd grad 1 - fd/adj |
305 |
grad-res ------------------------------- |
306 |
grad-res 0 1 17 2 1 0.584991977E+12 0.584969292E+12 0.585035823E+12 |
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grad-res 0 1 1 20 0 -.154328414E+42 -.332655172E+12 0.100000000E+01 |
308 |
|
309 |
# Now modify data.pkg and run for 100 days without KPP and GM: |
310 |
emacs -nw data.pkg |
311 |
\rm output.txt_adm |
312 |
../build/mitgcmuv_ad < /dev/null >& output.txt_adm & |
313 |
grep grad-res output.txt_adm |
314 |
# |
315 |
grad-res proc # i j k fc ref fc + eps fc - eps |
316 |
grad-res proc # i j k adj grad fd grad 1 - fd/adj |
317 |
grad-res ------------------------------- |
318 |
grad-res 0 1 17 2 1 0.775568418E+12 0.775568716E+12 0.775568120E+12 |
319 |
grad-res 0 1 1 20 0 0.298288524E+10 0.298245351E+10 0.144733246E-03 |
320 |
|
321 |
# Now modify data and run for 375 days without KPP and GM: |
322 |
emacs -nw data |
323 |
\rm output.txt_adm |
324 |
../build/mitgcmuv_ad < /dev/null >& output.txt_adm & |
325 |
grep grad-res output.txt_adm |
326 |
# |
327 |
grad-res proc # i j k fc ref fc + eps fc - eps |
328 |
grad-res proc # i j k adj grad fd grad 1 - fd/adj |
329 |
grad-res ------------------------------- |
330 |
grad-res 0 1 17 2 1 0.896287794E+12 0.896287828E+12 0.896287760E+12 |
331 |
grad-res 0 1 1 20 0 0.341242829E+09 0.341148397E+09 0.276729326E-03 |
332 |
grad-res ------------------------------- |
333 |
grad-res 0 2 20 4 1 0.896287794E+12 0.896287837E+12 0.896287752E+12 |
334 |
grad-res 0 2 2 40 0 0.425898569E+09 0.424819718E+09 0.253311730E-02 |
335 |
grad-res ------------------------------- |
336 |
grad-res 0 3 19 6 1 0.896287794E+12 0.896287810E+12 0.896287779E+12 |
337 |
grad-res 0 3 3 60 0 0.155522387E+09 0.155305087E+09 0.139722658E-02 |
338 |
grad-res ------------------------------- |
339 |
grad-res 0 4 11 8 1 0.896287794E+12 0.896335295E+12 0.896334240E+12 |
340 |
grad-res 0 4 4 80 0 0.205181064E+12 0.527474334E+10 0.974292251E+00 |
341 |
|
342 |
# Now modify data and run for 3650 days without KPP and GM: |
343 |
emacs -nw data |
344 |
\rm output.txt_adm |
345 |
../build/mitgcmuv_ad < /dev/null >& output.txt_adm & |
346 |
grep grad-res output.txt_adm |
347 |
# |
348 |
grad-res proc # i j k fc ref fc + eps fc - eps |
349 |
grad-res proc # i j k adj grad fd grad 1 - fd/adj |
350 |
grad-res ------------------------------- |
351 |
grad-res 0 1 17 2 1 0.589620342E+12 0.588645621E+12 0.580985192E+12 |
352 |
grad-res 0 1 1 20 0 0.191626271E+43 0.383021453E+14 0.100000000E+01 |
353 |
grad-res ------------------------------- |
354 |
grad-res 0 2 20 4 1 0.589620342E+12 0.592671001E+12 0.589646830E+12 |
355 |
grad-res 0 2 2 40 0 0.267667844E+43 0.151208553E+14 0.100000000E+01 |
356 |
grad-res ------------------------------- |
357 |
grad-res 0 3 19 6 1 0.589620342E+12 0.589897088E+12 0.590977596E+12 |
358 |
grad-res 0 3 3 60 0 0.941766989E+42 -.540254080E+13 0.100000000E+01 |
359 |
grad-res ------------------------------- |
360 |
grad-res 0 4 11 8 1 0.589620342E+12 0.594465341E+12 0.591740211E+12 |
361 |
grad-res 0 4 4 80 0 0.115838596E+46 0.136256470E+14 0.100000000E+01 |
362 |
|
363 |
|
364 |
##################### |
365 |
# Experiment no. 11 # |
366 |
##################### |
367 |
>>>>>>>>>> PH: THIS ONE NOT YET UPDATED <<<<<<<<<< |
368 |
# Same as experiment 8, but using 2-CPU MPI configuration. |
369 |
|
370 |
# Compile code in bin/: |
371 |
cd ../bin |
372 |
rm -rf *.o *.f *.p rii_files |
373 |
rm -rf *.F *.h *.c Makefile* |
374 |
cp ../verification/natl_box_adjoint/code_seaice/*.h . |
375 |
cp ../verification/natl_box_adjoint/code_seaice/.genmakerc . |
376 |
cp ../verification/natl_box_adjoint/code_seaice/SIZE.h.MPI SIZE.h |
377 |
cp ../verification/natl_box_adjoint/code_seaice/CPP_EEOPTIONS.h.MPI CPP_EEOPTIONS.h |
378 |
# Configure and compile the code: |
379 |
../tools/genmake -mpi -makefile |
380 |
# ==> on alhena use: |
381 |
# ../tools/genmake -platform=o2k -mpi -makefile |
382 |
make depend |
383 |
# Generate the adjoint code: |
384 |
cd ../adjoint |
385 |
cp ../verification/natl_box_adjoint/code_seaice/makefile . |
386 |
make adtaf |
387 |
make adchange |
388 |
rm -f makefile |
389 |
# Go back and compile the code: |
390 |
cd ../bin |
391 |
make |
392 |
# To run: |
393 |
cd ../exe |
394 |
cp ../verification/natl_box_adjoint/input_seaice/* . |
395 |
cp data.001 data |
396 |
cp ../verification/natl_box_adjoint/input_bulk/data.grdchk . |
397 |
mpirun -np 2 mitgcmuv |
398 |
# To verify the results of the gradient check, type: |
399 |
grep "ph-grd 3" STDOUT.0000 |
400 |
# To plot adjoint sensitivy fields |
401 |
cd ../verification/natl_box_adjoint/results_seaice |
402 |
matlab |
403 |
lookat_exp10 |
404 |
|
405 |
|
406 |
##################### |
407 |
# Experiment no. 12 # |
408 |
##################### |
409 |
# Same as experiment 6, but including LSR dynamic solver. |
410 |
|
411 |
# Compile code in build/: |
412 |
cd ../build |
413 |
rm -f *.o *.f *.p rii_files *.flow |
414 |
rm -f *.F *.h *.c Makefile* *.template genmake_* |
415 |
../../../tools/genmake2 -ieee -mods=../code_seaice |
416 |
cp ../code_seaice/SEAICE_OPTIONS.h.DYN SEAICE_OPTIONS.h |
417 |
make depend |
418 |
make adall |
419 |
make ftlall |
420 |
|
421 |
# To run: |
422 |
cd ../exe |
423 |
cp ../input_seaice/* . |
424 |
cp data.seaice.lsr data.seaice |
425 |
cp ../input_bulk/data.grdchk . |
426 |
# run the ADM |
427 |
../build/mitgcmuv_ad >&! output.txt_adm |
428 |
# run the TLM |
429 |
../build/mitgcmuv_ftl >&! output.txt_tlm |
430 |
|
431 |
# To verify the results of the gradient check, type: |
432 |
grep grad-res output.txt_adm |
433 |
# A reference output is in: |
434 |
grep grad-res ../results_seaice/output_exp12.txt_adm |
435 |
|
436 |
|
437 |
##################### |
438 |
# Experiment no. 13 # |
439 |
##################### |
440 |
# Same as experiment 12, but finite difference gradient check for |
441 |
# air temperature is computed and compared for the complete domain. |
442 |
|
443 |
# To run: |
444 |
cd ../exe |
445 |
cp ../input_seaice/* . |
446 |
cp data.seaice.lsr data.seaice |
447 |
../build/mitgcmuv_ad >&! output.txt_adm |
448 |
# To verify the results of the gradient check, type: |
449 |
grep grad-res output.txt_adm > grad-res.txt |
450 |
cd ../results_seaice |
451 |
matlab |
452 |
lookat_exp8 |
453 |
|
454 |
|
455 |
##################### |
456 |
# Experiment no. 14 # |
457 |
##################### |
458 |
>>>>>>>>>> PH: THIS ONE NOT YET UPDATED <<<<<<<<<< |
459 |
# Same as in 12 but for a 100-day sensitivity experiment. |
460 |
|
461 |
# Compile code in bin/: |
462 |
cd ../bin |
463 |
rm -rf *.o *.f *.p rii_files |
464 |
rm -rf *.F *.h *.c Makefile* |
465 |
cp ../verification/natl_box_adjoint/code_seaice/*.h . |
466 |
rm -f tamc.h |
467 |
cp ../verification/natl_box_adjoint/code_seaice/.genmakerc . |
468 |
cp ../verification/natl_box_adjoint/code_seaice/SEAICE_OPTIONS.h.MULTILEVEL SEAICE_OPTIONS.h |
469 |
# Configure and compile the code: |
470 |
../tools/genmake -makefile |
471 |
make depend |
472 |
# Generate the adjoint code: |
473 |
cd ../adjoint |
474 |
cp ../verification/natl_box_adjoint/code_seaice/makefile . |
475 |
make adtaf |
476 |
make adchange |
477 |
rm -f makefile |
478 |
# Go back and compile the code: |
479 |
cd ../bin |
480 |
make |
481 |
# To run: |
482 |
cd ../exe |
483 |
cp ../verification/natl_box_adjoint/input_seaice/* . |
484 |
cp data.100day data |
485 |
cp ../verification/natl_box_adjoint/input_bulk/data.grdchk . |
486 |
cp data.seaice.lsr data.seaice |
487 |
../build/mitgcmuv >&! output.txt |
488 |
# To verify the results of the gradient check, type: |
489 |
grep "ph-grd 3" output.txt |
490 |
|
491 |
# For 100-day experiment, with cost_ice_flag = 1, the adjoint gradient |
492 |
# blows up, as in Exp. 10 |
493 |
# 1.d-04 0.251994583E+11 -.899637862E+10 0.372048919E+10 -.344972301E+10 |
494 |
# adj grad -.160660304+210 -.378763253+210 -.239235971+211 -.386444881+209 |
495 |
|
496 |
# With cost_ice_flag = 2, i.e., mean sea-ice area |
497 |
# 1.d-04 -.152618243E+11 0.605974121E+06 -.155375485E+11 -.153368205E+11 |
498 |
# adj grad 0.000000000E+00 0.000000000E+00 -.124076923E+09 0.000000000E+00 |
499 |
|
500 |
# With cost_ice_flag = 6, i.e., a quadratic cost function |
501 |
# 1.d-12 -.106128607E+12 0.106330784E+12 -.106446555E+12 -.106237252E+12 |
502 |
# 1.d-08 0.106450924E+08 0.103670536E+05 0.349155947E+05 0.335081902E+05 |
503 |
# 1.d-04 -.106143365E+04 0.206965778E+00 -.105672737E+04 -.106326894E+04 |
504 |
# 1.d-02 -.120891636E-02 0.106325012E+02 0.841459268E+01 -.107119297E+02 |
505 |
# 1.d-01 -.102221209E-02 -.124805738E-02 0.821489714E+01 -.331974254E-02 |
506 |
# 1.d-00 0.113825328E-03 -.105881751E+00 0.104550010E+02 -.106209116E+00 |
507 |
# adj grad 0.000000000E+00 0.000000000E+00 0.887775373E+01 0.000000000E+00 |
508 |
|
509 |
|
510 |
##################### |
511 |
# Experiment no. 15 # |
512 |
##################### |
513 |
# Same as experiment 6, but with SEAICE_MULTILEVEL. |
514 |
|
515 |
# Compile code in build/: |
516 |
rm -f *.o *.f *.p rii_files *.flow |
517 |
rm -f *.F *.h *.c Makefile* *.template genmake_* |
518 |
../../../tools/genmake2 -ieee -mods=../code_seaice |
519 |
cp ../code_seaice/SEAICE_OPTIONS.h.MULTILEVEL SEAICE_OPTIONS.h |
520 |
make depend |
521 |
make adall |
522 |
|
523 |
# To run: |
524 |
cd ../exe |
525 |
cp ../input_seaice/* . |
526 |
cp ../input_bulk/data.grdchk . |
527 |
../build/mitgcmuv_ad >&! output.txt |
528 |
|
529 |
# To verify the results of the gradient check, type: |
530 |
grep grad-res output.txt |
531 |
# The reference output is in: |
532 |
grep grad-res ../results_seaice/output_exp15.txt_adm |
533 |
|
534 |
# This test suggests that SEAICE_MULTILEVEL decreases the accuracy of |
535 |
# the adjoint model, perhaps because the adjoint model is not handling |
536 |
# multiple recomputations in budget properly. |
537 |
|
538 |
|
539 |
##################### |
540 |
# Experiment no. 20 # |
541 |
##################### |
542 |
# Same as experiment 10, but using divided adjoint. |