-
Notifications
You must be signed in to change notification settings - Fork 37
/
variability_modes_driver.py
executable file
·1049 lines (912 loc) · 38.2 KB
/
variability_modes_driver.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
#!/usr/bin/env python
"""
# Modes of Variability Metrics
- Calculate metrics for modes of varibility from archive of CMIP models
- Author: Jiwoo Lee ([email protected]), PCMDI, LLNL
## EOF1 based variability modes
- NAM: Northern Annular Mode
- NAO: Northern Atlantic Oscillation
- SAM: Southern Annular Mode
- PNA: Pacific North American Pattern
- PDO: Pacific Decadal Oscillation
## EOF2 based variability modes
- NPO: North Pacific Oscillation (2nd EOFs of PNA domain)
- NPGO: North Pacific Gyre Oscillation (2nd EOFs of PDO domain)
## Reference:
Lee, J., K. Sperber, P. Gleckler, C. Bonfils, and K. Taylor, 2019:
Quantifying the Agreement Between Observed and Simulated Extratropical Modes of
Interannual Variability. Climate Dynamics.
https://doi.org/10.1007/s00382-018-4355-4
## Auspices:
This work was performed under the auspices of the U.S. Department of
Energy by Lawrence Livermore National Laboratory under Contract
DE-AC52-07NA27344. Lawrence Livermore National Laboratory is operated by
Lawrence Livermore National Security, LLC, for the U.S. Department of Energy,
National Nuclear Security Administration under Contract DE-AC52-07NA27344.
## Disclaimer:
This document was prepared as an account of work sponsored by an
agency of the United States government. Neither the United States government
nor Lawrence Livermore National Security, LLC, nor any of their employees
makes any warranty, expressed or implied, or assumes any legal liability or
responsibility for the accuracy, completeness, or usefulness of any
information, apparatus, product, or process disclosed, or represents that its
use would not infringe privately owned rights. Reference herein to any specific
commercial product, process, or service by trade name, trademark, manufacturer,
or otherwise does not necessarily constitute or imply its endorsement,
recommendation, or favoring by the United States government or Lawrence
Livermore National Security, LLC. The views and opinions of authors expressed
herein do not necessarily state or reflect those of the United States
government or Lawrence Livermore National Security, LLC, and shall not be used
for advertising or product endorsement purposes.
"""
# import shapely # noqa
import glob
import json
import os
import re
import sys
from argparse import RawTextHelpFormatter
from shutil import copyfile
from pcmdi_metrics.io import fill_template, get_grid, load_regions_specs, region_subset
from pcmdi_metrics.mean_climate.lib import pmp_parser
from pcmdi_metrics.stats import calculate_temporal_correlation as calcTCOR
from pcmdi_metrics.stats import mean_xy
from pcmdi_metrics.utils import regrid, sort_human, tree
from pcmdi_metrics.variability_mode.lib import (
AddParserArgument,
VariabilityModeCheck,
YearCheck,
adjust_timeseries,
calc_stats_save_dict,
calcSTD,
check_start_end_year,
debug_print,
eof_analysis_get_variance_mode,
gain_pcs_fraction,
gain_pseudo_pcs,
linear_regression_on_globe_for_teleconnection,
north_test,
plot_map,
read_data_in,
variability_metrics_to_json,
write_nc_output,
)
# =================================================
# Collect user defined options
# -------------------------------------------------
P = pmp_parser.PMPParser(
description="Runs PCMDI Modes of Variability Computations",
formatter_class=RawTextHelpFormatter,
)
P = AddParserArgument(P)
param = P.get_parameter()
# Pre-defined options
mip = param.mip
exp = param.exp
fq = param.frequency
realm = param.realm
print("mip:", mip)
print("exp:", exp)
print("fq:", fq)
print("realm:", realm)
# On/off switches
obs_compare = True # Statistics against observation
CBF = param.CBF # Conduct CBF analysis
ConvEOF = param.ConvEOF # Conduct conventional EOF analysis
EofScaling = param.EofScaling # If True, consider EOF with unit variance
RmDomainMean = param.RemoveDomainMean # If True, remove Domain Mean of each time step
LandMask = param.landmask # If True, maskout land region thus consider only over ocean
print("EofScaling:", EofScaling)
print("RmDomainMean:", RmDomainMean)
print("LandMask:", LandMask)
nc_out_obs = param.nc_out_obs # Record NetCDF output
plot_obs = param.plot_obs # Generate plots
nc_out_model = param.nc_out # Record NetCDF output
plot_model = param.plot # Generate plots
update_json = param.update_json
print("nc_out_obs, plot_obs:", nc_out_obs, plot_obs)
print("nc_out_model, plot_model:", nc_out_model, plot_model)
cmec = False
if hasattr(param, "cmec"):
cmec = param.cmec # Generate CMEC compliant json
print("CMEC:" + str(cmec))
# Check given mode of variability
mode = VariabilityModeCheck(param.variability_mode, P)
print("mode:", mode)
# Variables
var = param.varModel
# Check dependency for given season option
seasons = param.seasons
print("seasons:", seasons)
# Observation information
obs_name = param.reference_data_name
obs_path = param.reference_data_path
obs_var = param.varOBS
# Path to model data as string template
modpath = param.modpath
if LandMask:
modpath_lf = param.modpath_lf
# Check given model option
models = param.modnames
# Include all models if conditioned
if ("all" in [m.lower() for m in models]) or (models == "all"):
model_index_path = re.split("[._]", modpath.split("/")[-1]).index("%(model)")
models = [
re.split("[._]", p.split("/")[-1])[model_index_path]
for p in glob.glob(
fill_template(
modpath, mip=mip, exp=exp, model="*", realization="*", variable=var
)
)
]
# remove duplicates
models = sorted(list(dict.fromkeys(models)), key=lambda s: s.lower())
print("models:", models)
print("number of models:", len(models))
# Realizations
realization = param.realization
print("realization: ", realization)
# EOF ordinal number
eofn_obs = param.eofn_obs
eofn_mod = param.eofn_mod
if eofn_obs is None:
if mode in ["NAM", "NAO", "SAM", "PNA", "PDO", "AMO"]:
eofn_obs = 1
elif mode in ["NPGO", "NPO"]:
eofn_obs = 2
else:
raise ValueError(f"{eofn_obs} is not given for {mode}")
else:
eofn_obs = int(eofn_obs)
if eofn_mod is None:
if mode in ["NAM", "NAO", "SAM", "PNA", "PDO", "AMO"]:
eofn_mod = 1
elif mode in ["NPGO", "NPO"]:
eofn_mod = 2
else:
raise ValueError(f"{eofn_mod} is not given for {mode}")
else:
eofn_mod = int(eofn_mod)
print("eofn_obs:", eofn_obs)
print("eofn_mod:", eofn_mod)
# case id
case_id = param.case_id
# Debug
debug = param.debug
# Year
msyear = param.msyear
meyear = param.meyear
YearCheck(msyear, meyear, P)
osyear = param.osyear
oeyear = param.oeyear
YearCheck(osyear, oeyear, P)
# Units adjustment
ObsUnitsAdjust = param.ObsUnitsAdjust
ModUnitsAdjust = param.ModUnitsAdjust
# lon1_global and lon2_global is for global map plotting
if mode in ["PDO", "NPGO"]:
lon1_global = 0
lon2_global = 360
else:
lon1_global = -180
lon2_global = 180
# parallel
parallel = param.parallel
print("parallel:", parallel)
# =================================================
# Time period adjustment
# -------------------------------------------------
if osyear is None:
osyear = msyear
if oeyear is None:
oeyear = meyear
# =================================================
# Region control
# -------------------------------------------------
regions_specs = load_regions_specs()
# =================================================
# Create output directories
# -------------------------------------------------
outdir_template = param.results_dir
output_types = ["graphics", "diagnostic_results", "metrics_results"]
dir_paths = {}
print("output directories:")
for output_type in output_types:
dir_path = fill_template(
outdir_template,
output_type=output_type,
mip=mip,
exp=exp,
variability_mode=mode,
reference_data_name=obs_name,
case_id=case_id,
)
os.makedirs(dir_path, exist_ok=True)
print(output_type, ":", dir_path)
dir_paths[output_type] = dir_path
# =================================================
# Set dictionary for .json record
# -------------------------------------------------
result_dict = tree()
# Set metrics output JSON file
json_filename = "_".join(
[
"var",
"mode",
mode,
"EOF" + str(eofn_mod),
"stat",
mip,
exp,
fq,
realm,
str(msyear) + "-" + str(meyear),
]
)
json_file = os.path.join(dir_paths["metrics_results"], json_filename + ".json")
json_file_org = os.path.join(
dir_paths["metrics_results"],
"_".join([json_filename, "org", str(os.getpid())]) + ".json",
)
# Archive if there is pre-existing JSON: preventing overwriting
if os.path.isfile(json_file) and os.stat(json_file).st_size > 0:
copyfile(json_file, json_file_org)
if update_json:
fj = open(json_file)
result_dict = json.loads(fj.read())
fj.close()
if "REF" not in result_dict:
result_dict["REF"] = {}
if "RESULTS" not in result_dict:
result_dict["RESULTS"] = {}
# =================================================
# Observation
# -------------------------------------------------
if obs_compare:
obs_lf_path = None
# read data in
obs_timeseries = read_data_in(
obs_path,
obs_var,
var,
osyear,
oeyear,
UnitsAdjust=ObsUnitsAdjust,
lf_path=obs_lf_path,
LandMask=LandMask,
debug=debug,
)
# Get global grid information for later use: regrid
ref_grid_global = get_grid(obs_timeseries)
# Set dictionary variables to keep information from observation in the memory during the season and model loop
eof_obs = {}
pc_obs = {}
frac_obs = {}
solver_obs = {}
reverse_sign_obs = {}
eof_lr_obs = {}
stdv_pc_obs = {}
obs_timeseries_season_dict = {}
# Set dictonary for json archive
if "obs" not in result_dict["REF"]:
result_dict["REF"]["obs"] = {}
if "defaultReference" not in result_dict["REF"]["obs"]:
result_dict["REF"]["obs"]["defaultReference"] = {}
if "source" not in result_dict["REF"]["obs"]["defaultReference"]:
result_dict["REF"]["obs"]["defaultReference"]["source"] = {}
if mode not in result_dict["REF"]["obs"]["defaultReference"]:
result_dict["REF"]["obs"]["defaultReference"][mode] = {}
result_dict["REF"]["obs"]["defaultReference"]["source"] = obs_path
result_dict["REF"]["obs"]["defaultReference"]["reference_eofs"] = eofn_obs
result_dict["REF"]["obs"]["defaultReference"]["period"] = (
str(osyear) + "-" + str(oeyear)
)
# -------------------------------------------------
# Season loop
# - - - - - - - - - - - - - - - - - - - - - - - - -
debug_print("obs season loop starts", debug)
for season in seasons:
debug_print("season: " + season, debug)
if season not in result_dict["REF"]["obs"]["defaultReference"][mode]:
result_dict["REF"]["obs"]["defaultReference"][mode][season] = {}
dict_head_obs = result_dict["REF"]["obs"]["defaultReference"][mode][season]
# Time series adjustment (remove annual cycle, seasonal mean (if needed),
# and subtracting domain (or global) mean of each time step)
debug_print("time series adjustment", debug)
obs_timeseries_season = adjust_timeseries(
obs_timeseries, obs_var, mode, season, regions_specs, RmDomainMean
)
if debug:
print("obs_timeseries_season", obs_timeseries_season)
# Extract subdomain
obs_timeseries_season_subdomain = region_subset(
obs_timeseries_season, mode, regions_specs
)
if debug:
print("obs_timeseries_season_subdomain", obs_timeseries_season_subdomain)
# EOF analysis
debug_print("EOF analysis", debug)
(
eof_obs[season],
pc_obs[season],
frac_obs[season],
reverse_sign_obs[season],
solver_obs[season],
) = eof_analysis_get_variance_mode(
mode,
obs_timeseries_season_subdomain,
obs_var,
eofn=eofn_obs,
debug=debug,
EofScaling=EofScaling,
)
# Calculate stdv of pc time series
debug_print("calculate stdv of pc time series", debug)
stdv_pc_obs[season] = calcSTD(pc_obs[season])
# Linear regression to have extended global map; teleconnection purpose
(
eof_lr_obs_season,
slope_obs,
intercept_obs,
) = linear_regression_on_globe_for_teleconnection(
pc_obs[season],
obs_timeseries_season,
obs_var,
stdv_pc_obs[season],
RmDomainMean,
EofScaling,
debug=debug,
)
obs_timeseries_season["eof_lr"] = eof_lr_obs_season
obs_timeseries_season["slope"] = slope_obs
obs_timeseries_season["intercept"] = intercept_obs
obs_timeseries_season_dict[season] = obs_timeseries_season
# Extract subdomain for plot
obs_timeseries_season_region = region_subset(
obs_timeseries_season, mode, regions_specs=regions_specs
)
eof_lr_obs[season] = eof_lr_obs_season
# - - - - - - - - - - - - - - - - - - - - - - - - -
# Record results
# . . . . . . . . . . . . . . . . . . . . . . . . .
debug_print("record results", debug)
# Set output file name for NetCDF and plot
output_filename_obs = (
f"{mode}_{var}_EOF{eofn_obs}_{season}_obs_{osyear}-{oeyear}"
)
if EofScaling:
output_filename_obs += "_EOFscaled"
# Plot
if plot_obs:
debug_print("plot obs", debug)
output_img_file_obs = os.path.join(
dir_paths["graphics"], output_filename_obs
)
plot_map(
mode,
"[REF] " + obs_name,
osyear,
oeyear,
season,
obs_timeseries_season_region["eof_lr"],
frac_obs[season],
output_img_file_obs,
debug=debug,
)
plot_map(
mode + "_teleconnection",
"[REF] " + obs_name,
osyear,
oeyear,
season,
# eof_lr_obs[season](longitude=(lon1_global, lon2_global)),
eof_lr_obs_season,
frac_obs[season],
output_img_file_obs + "_teleconnection",
debug=debug,
)
debug_print("obs plotting end", debug)
# NetCDF: Save global map, pc timeseries, and fraction in NetCDF output
if nc_out_obs:
debug_print("write obs nc", debug)
output_nc_file_obs = os.path.join(
dir_paths["diagnostic_results"], output_filename_obs
)
write_nc_output(
output_nc_file_obs,
eof_lr_obs_season,
pc_obs[season],
frac_obs[season],
slope_obs,
intercept_obs,
)
# Save stdv of PC time series in dictionary
dict_head_obs["stdv_pc"] = stdv_pc_obs[season]
dict_head_obs["frac"] = float(frac_obs[season])
# Mean
mean_obs = mean_xy(eof_obs[season])
mean_glo_obs = mean_xy(eof_lr_obs[season])
dict_head_obs["mean"] = float(mean_obs)
dict_head_obs["mean_glo"] = float(mean_glo_obs)
debug_print("obs mean end", debug)
# North test
north_test_plot_title = f"{mode}, {season}, {obs_name} {osyear}-{oeyear}"
north_test_output_filename = (
f"EG_Spec_North_test_{mode}_{season}_{obs_name}_{osyear}-{oeyear}"
)
north_test(
solver_obs[season],
outdir=dir_paths["diagnostic_results"],
output_filename=north_test_output_filename,
plot_title=north_test_plot_title,
)
debug_print("obs end", debug)
# =================================================
# Model
# -------------------------------------------------
for model in models:
print(" ----- ", model, " ---------------------")
if model not in result_dict["RESULTS"]:
result_dict["RESULTS"][model] = {}
model_path_list = glob.glob(
fill_template(
modpath,
mip=mip,
exp=exp,
model=model,
realization=realization,
variable=var,
)
)
model_path_list = sort_human(model_path_list)
debug_print(f"model_path_list: f{model_path_list}", debug)
# Find where run can be gripped from given filename template for modpath
if realization == "*":
run_in_modpath = re.split(
"[._]",
fill_template(
modpath,
mip=mip,
exp=exp,
model=model,
realization=realization,
variable=var,
).split("/")[-1],
).index(realization)
# -------------------------------------------------
# Run
# -------------------------------------------------
for model_path in model_path_list:
print("model_path:", model_path)
try:
if realization == "*":
run = re.split("[._]", model_path.split("/")[-1])[run_in_modpath]
else:
run = realization
print(" --- ", run, " ---")
if run not in result_dict["RESULTS"][model]:
result_dict["RESULTS"][model][run] = {}
if "defaultReference" not in result_dict["RESULTS"][model][run]:
result_dict["RESULTS"][model][run]["defaultReference"] = {}
if mode not in result_dict["RESULTS"][model][run]["defaultReference"]:
result_dict["RESULTS"][model][run]["defaultReference"][mode] = {}
result_dict["RESULTS"][model][run]["defaultReference"][mode][
"target_model_eofs"
] = eofn_mod
if LandMask:
model_lf_path = fill_template(modpath_lf, mip=mip, exp=exp, model=model)
else:
model_lf_path = None
print("model_lf_path:", model_lf_path)
# read data in
model_timeseries = read_data_in(
model_path,
var,
var,
msyear,
meyear,
UnitsAdjust=ModUnitsAdjust,
lf_path=model_lf_path,
LandMask=LandMask,
debug=debug,
)
msyear, meyear = check_start_end_year(model_timeseries)
debug_print("msyear: " + str(msyear) + " meyear: " + str(meyear), debug)
# -------------------------------------------------
# Season loop
# - - - - - - - - - - - - - - - - - - - - - - - - -
for season in seasons:
debug_print("season: " + season, debug)
if (
season
not in result_dict["RESULTS"][model][run]["defaultReference"][mode]
):
result_dict["RESULTS"][model][run]["defaultReference"][mode][
season
] = {}
result_dict["RESULTS"][model][run]["defaultReference"][mode][season][
"period"
] = (str(msyear) + "-" + str(meyear))
# Time series adjustment (remove annual cycle, seasonal mean (if needed),
# and subtracting domain (or global) mean of each time step)
debug_print("time series adjustment", debug)
model_timeseries_season = adjust_timeseries(
model_timeseries, var, mode, season, regions_specs, RmDomainMean
)
# Extract subdomain
debug_print("extract subdomain", debug)
model_timeseries_season_subdomain = region_subset(
model_timeseries_season, mode, regions_specs
)
# -------------------------------------------------
# Common Basis Function Approach
# - - - - - - - - - - - - - - - - - - - - - - - - -
if CBF and obs_compare:
if (
"cbf"
not in result_dict["RESULTS"][model][run]["defaultReference"][
mode
][season]
):
result_dict["RESULTS"][model][run]["defaultReference"][mode][
season
]["cbf"] = {}
dict_head = result_dict["RESULTS"][model][run]["defaultReference"][
mode
][season]["cbf"]
debug_print("CBF approach start", debug)
# Regrid (interpolation, model grid to ref grid)
model_timeseries_season_regrid = regrid(
model_timeseries_season,
var,
ref_grid_global,
regrid_tool="regrid2",
fill_zero=True,
)
# QC
if var == "ts":
model_timeseries_season_regrid[
var
] = model_timeseries_season_regrid[var].where(
model_timeseries_season_regrid[var] < 1e10
)
# crop to subdomain
model_timeseries_season_regrid_subdomain = region_subset(
model_timeseries_season_regrid, mode, regions_specs, debug=debug
)
# Matching model's missing value location to that of observation
"""
# Save axes for preserving
# axes = model_timeseries_season_regrid_subdomain.getAxisList()
axes = get_axis_list(model_timeseries_season_regrid_subdomain)
# 1) Replace model's masked grid to 0, so theoritically won't affect to result
model_timeseries_season_regrid_subdomain = MV2.array(
model_timeseries_season_regrid_subdomain.filled(0.0)
)
# 2) Give obs's mask to model field, so enable projecField functionality below
model_timeseries_season_regrid_subdomain.mask = eof_obs[season].mask
# Preserve axes
model_timeseries_season_regrid_subdomain.setAxisList(axes)
"""
# CBF PC time series
cbf_pc = gain_pseudo_pcs(
solver_obs[season],
model_timeseries_season_regrid_subdomain[var],
eofn_obs,
reverse_sign_obs[season],
EofScaling=EofScaling,
)
# Calculate stdv of cbf pc time series
stdv_cbf_pc = calcSTD(cbf_pc)
# Linear regression to have extended global map; teleconnection purpose
(
eof_lr_cbf,
slope_cbf,
intercept_cbf,
) = linear_regression_on_globe_for_teleconnection(
cbf_pc,
model_timeseries_season,
var,
stdv_cbf_pc,
RmDomainMean,
EofScaling,
debug=debug,
)
model_timeseries_season["eof_lr_cbf"] = eof_lr_cbf
model_timeseries_season["slope_cbf"] = slope_cbf
model_timeseries_season["intercept_cbf"] = intercept_cbf
# Extract subdomain for statistics
model_timeseries_season_subdomain = region_subset(
model_timeseries_season,
mode,
regions_specs=regions_specs,
)
# Calculate fraction of variance explained by cbf pc
# (native grid)
frac_cbf = gain_pcs_fraction(
model_timeseries_season_subdomain,
var,
model_timeseries_season_subdomain,
"eof_lr_cbf",
cbf_pc / stdv_cbf_pc,
debug=debug,
)
# (regrid domain): sensitivity test purpose
frac_cbf_regrid = gain_pcs_fraction(
model_timeseries_season_regrid_subdomain,
var,
model_timeseries_season_subdomain,
"eof_lr_cbf",
cbf_pc / stdv_cbf_pc,
debug=debug,
)
dict_head["frac_cbf_regrid"] = float(frac_cbf_regrid)
# - - - - - - - - - - - - - - - - - - - - - - - - -
# Record results
# - - - - - - - - - - - - - - - - - - - - - - - - -
# Metrics results -- statistics to JSON
common_args_cbf = {
"mode": mode,
"dict_head": dict_head,
"model_ds": model_timeseries_season,
"model_data_var": "eof_lr_cbf",
"eof": model_timeseries_season_subdomain["eof_lr_cbf"],
"eof_lr": eof_lr_cbf,
"pc": cbf_pc,
"stdv_pc": stdv_cbf_pc,
"frac": frac_cbf,
"regions_specs": regions_specs,
"obs_ds": obs_timeseries_season_dict[season],
"eof_obs": eof_obs[season],
"eof_lr_obs": eof_lr_obs[season],
"stdv_pc_obs": stdv_pc_obs[season],
"obs_compare": obs_compare,
"method": "cbf",
"debug": debug,
}
dict_head, eof_lr_cbf = calc_stats_save_dict(**common_args_cbf)
# Set output file name for NetCDF and plot images
output_filename = f"{mode}_{var}_EOF{eofn_mod}_{season}_{mip}_{model}_{exp}_{run}_{fq}_{realm}_{msyear}-{meyear}"
if EofScaling:
output_filename += "_EOFscaled"
# Diagnostics results -- data to NetCDF
# Save global map, pc timeseries, and fraction in NetCDF output
output_nc_file = os.path.join(
dir_paths["diagnostic_results"], output_filename
)
if nc_out_model:
write_nc_output(
output_nc_file + "_cbf",
eof_lr_cbf,
cbf_pc,
frac_cbf,
slope_cbf,
intercept_cbf,
)
# Graphics -- plot map image to PNG
output_img_file = os.path.join(
dir_paths["graphics"], output_filename
)
if plot_model:
plot_map(
mode,
f"{mip.upper()} {model} ({run}) - CBF",
msyear,
meyear,
season,
model_timeseries_season_subdomain["eof_lr_cbf"],
frac_cbf,
output_img_file + "_cbf",
debug=debug,
)
plot_map(
mode + "_teleconnection",
f"{mip.upper()} {model} ({run}) - CBF",
msyear,
meyear,
season,
# eof_lr_cbf(longitude=(lon1_global, lon2_global)),
eof_lr_cbf,
frac_cbf,
output_img_file + "_cbf_teleconnection",
debug=debug,
)
debug_print("cbf pcs end", debug)
# -------------------------------------------------
# Conventional EOF approach as supplementary
# - - - - - - - - - - - - - - - - - - - - - - - - -
if ConvEOF:
eofn_mod_max = 3
# EOF analysis
debug_print("conventional EOF analysis start", debug)
(
eof_list,
pc_list,
frac_list,
reverse_sign_list,
solver,
) = eof_analysis_get_variance_mode(
mode,
model_timeseries_season_subdomain,
var,
eofn=eofn_mod,
eofn_max=eofn_mod_max,
debug=debug,
EofScaling=EofScaling,
save_multiple_eofs=True,
)
debug_print("conventional EOF analysis done", debug)
# -------------------------------------------------
# For multiple EOFs (e.g., EOF1, EOF2, EOF3, ...)
# - - - - - - - - - - - - - - - - - - - - - - - - -
rms_list = []
cor_list = []
tcor_list = []
for n in range(0, eofn_mod_max):
eofs = "eof" + str(n + 1)
if (
eofs
not in result_dict["RESULTS"][model][run][
"defaultReference"
][mode][season]
):
result_dict["RESULTS"][model][run]["defaultReference"][
mode
][season][eofs] = {}
dict_head = result_dict["RESULTS"][model][run][
"defaultReference"
][mode][season][eofs]
# Component for each EOFs
eof = eof_list[n]
pc = pc_list[n]
frac = frac_list[n]
# Calculate stdv of pc time series
stdv_pc = calcSTD(pc)
# Linear regression to have extended global map:
(
eof_lr,
slope,
intercept,
) = linear_regression_on_globe_for_teleconnection(
pc,
model_timeseries_season,
var,
stdv_pc,
RmDomainMean,
EofScaling,
debug=debug,
)
model_timeseries_season["eof_lr"] = eof_lr
model_timeseries_season["slope"] = slope
model_timeseries_season["intercept"] = intercept
# - - - - - - - - - - - - - - - - - - - - - - - - -
# Record results
# - - - - - - - - - - - - - - - - - - - - - - - - -
# Metrics results -- statistics to JSON
common_args = {
"mode": mode,
"dict_head": dict_head,
"model_ds": model_timeseries_season,
"model_data_var": "eof_lr",
"eof": eof,
"eof_lr": eof_lr,
"pc": pc,
"stdv_pc": stdv_pc,
"frac": frac,
"regions_specs": regions_specs,
"obs_compare": obs_compare,
"method": "eof",
"debug": debug,
}
if obs_compare:
common_args.update(
{
"obs_ds": obs_timeseries_season_dict[season],
"eof_obs": eof_obs[season],
"eof_lr_obs": eof_lr_obs[season],
"stdv_pc_obs": stdv_pc_obs[season],
}
)
dict_head, eof_lr = calc_stats_save_dict(**common_args)
# Temporal correlation between CBF PC timeseries and usual model PC timeseries
if CBF:
tc = calcTCOR(cbf_pc, pc)
debug_print("cbf tc end", debug)
dict_head["tcor_cbf_vs_eof_pc"] = tc
# Set output file name for NetCDF and plot images
output_filename = f"{mode}_{var}_EOF{n+1}_{season}_{mip}_{model}_{exp}_{run}_{fq}_{realm}_{msyear}-{meyear}"
if EofScaling:
output_filename += "_EOFscaled"
# Diagnostics results -- data to NetCDF
# Save global map, pc timeseries, and fraction in NetCDF output
output_nc_file = os.path.join(
dir_paths["diagnostic_results"], output_filename
)
if nc_out_model:
write_nc_output(
output_nc_file, eof_lr, pc, frac, slope, intercept
)
# Graphics -- plot map image to PNG
output_img_file = os.path.join(
dir_paths["graphics"], output_filename
)
if plot_model:
plot_map(
mode,
f"{mip.upper()} {model} ({run}) - EOF{n + 1}",
msyear,
meyear,
season,
region_subset(
model_timeseries_season,
mode,
data_var="eof_lr",
regions_specs=regions_specs,
)["eof_lr"],
frac,
output_img_file,
debug=debug,
)
plot_map(
mode + "_teleconnection",
f"{mip.upper()} {model} ({run}) - EOF{n + 1}",
msyear,
meyear,
season,
# eof_lr(longitude=(lon1_global, lon2_global)),
eof_lr,
frac,
output_img_file + "_teleconnection",
debug=debug,
)
# - - - - - - - - - - - - - - - - - - - - - - - - -
# EOF swap diagnosis
# - - - - - - - - - - - - - - - - - - - - - - - - -
rms_list.append(dict_head["rms"])
cor_list.append(dict_head["cor"])
if CBF:
tcor_list.append(dict_head["tcor_cbf_vs_eof_pc"])
# Find best matching eofs with different criteria
best_matching_eofs_rms = rms_list.index(min(rms_list)) + 1