Description of algorithm
Interpretation of results
Full domain
  Ice concntr, edge pos
  Contingency tables
American sector
European sector
Asian sector

Validation of sea ice concentration - Full domain

Reference date: 2020-11-12

Model: GLO MFC - NEMO

Data source: OSI SAF N.H. sea ice concentration

Model vs. observations, sea ice class contingency tables

Date: 2020-11-06:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 100391 16999 195 1267 977 339 14 0
OW 1072 1658 55 488 589 410 32 0
VODI 79 1445 116 1145 2269 2023 216 0
ODI 1 71 10 341 1726 3124 679 0
CDI 0 9 2 94 761 2879 3485 294
VCDI 0 0 0 0 36 3850 13833 24074

Date: 2020-11-08:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 96986 17402 169 1143 928 560 73 0
OW 1077 2009 109 798 712 438 81 0
VODI 37 1188 87 953 1385 1474 323 0
ODI 0 47 15 388 1555 3473 1832 1
CDI 0 1 1 49 742 3387 4209 260
VCDI 0 0 0 0 13 4832 16442 21869

Date: 2020-11-10:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 96909 16379 182 833 517 243 169 0
OW 675 1959 93 916 1062 601 166 0
VODI 85 1139 85 837 1469 692 408 0
ODI 0 82 24 530 2275 2107 838 4
CDI 0 0 2 43 885 4886 4439 140
VCDI 0 0 0 0 11 2883 17248 25232

Date: 2020-11-12:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 95674 16357 149 703 221 18 13 0
OW 547 1993 71 660 1335 978 159 0
VODI 155 1023 58 800 1188 1508 529 0
ODI 0 207 28 343 1425 2702 587 5
CDI 0 0 0 26 762 5142 3702 213
VCDI 0 0 0 0 9 6890 16607 24261

Date: 2020-11-14:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 94776 15987 184 920 173 41 0 0
OW 935 1637 70 700 629 488 5 0
VODI 164 1169 66 684 1161 1963 515 0
ODI 7 215 25 484 1247 2568 1012 3
CDI 0 1 0 10 825 5691 3991 879
VCDI 0 0 0 6 118 4045 22092 21562

Date: 2020-11-16:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 94357 16288 167 747 262 100 8 0
OW 534 1681 74 716 764 291 11 0
VODI 115 960 61 735 940 1396 284 0
ODI 0 201 26 473 1411 2969 967 0
CDI 0 0 0 7 904 6149 3474 315
VCDI 0 0 0 0 62 3602 19938 26059

Date: 2020-11-18:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 94823 15141 157 703 293 14 0 0
OW 286 1936 74 595 604 448 44 0
VODI 4 945 54 693 1205 998 301 0
ODI 0 453 47 513 1236 2454 946 1
CDI 0 13 3 56 1027 7495 2659 9
VCDI 0 0 0 0 76 3864 18649 28229

Date: 2020-11-20:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 91984 16584 178 797 319 50 0 0
OW 567 1801 55 507 446 299 0 0
VODI 5 876 58 737 1127 1148 455 1
ODI 0 320 48 580 1192 2042 1149 2
CDI 0 20 5 87 696 7070 3543 12
VCDI 0 0 0 2 74 3059 18541 30612


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