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: 2023-11-09

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2023-11-03:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 100984 12514 717 909 20 0 0 0
OW 18 353 202 859 488 4 0 0
VODI 6 190 112 758 1155 594 7 0
ODI 0 11 27 418 1013 793 270 0
CDI 0 0 0 92 1554 1536 513 32
VCDI 0 0 0 13 843 5821 19345 34877

Date: 2023-11-05:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 97788 14478 912 1055 13 0 0 0
OW 20 326 136 813 420 64 0 0
VODI 5 167 118 658 872 427 0 0
ODI 2 34 28 451 831 699 191 0
CDI 0 0 0 114 1328 1896 456 4
VCDI 0 0 0 7 431 7471 20530 34303

Date: 2023-11-07:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 96561 14676 863 1223 45 0 0 0
OW 25 331 140 783 205 0 0 0
VODI 1 160 102 696 723 167 2 0
ODI 1 73 26 466 988 601 26 0
CDI 0 0 0 127 1090 1893 575 6
VCDI 0 0 0 12 219 5575 21239 37428

Date: 2023-11-09:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 96367 12659 917 1587 117 0 0 0
OW 43 261 101 891 493 1 0 0
VODI 9 189 101 605 814 79 0 0
ODI 1 129 35 433 1006 423 7 0
CDI 0 0 0 125 1016 1981 359 0
VCDI 0 0 0 10 252 5037 24317 36683

Date: 2023-11-11:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 95121 13054 819 1074 33 0 0 0
OW 41 394 141 1146 303 0 0 0
VODI 10 282 70 832 653 69 0 0
ODI 2 63 25 525 1027 354 9 0
CDI 0 6 2 111 1186 1902 414 5
VCDI 0 0 0 10 338 4429 23831 38767

Date: 2023-11-13:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 94439 12996 682 998 46 0 0 0
OW 38 389 150 870 305 6 0 0
VODI 9 294 75 706 815 71 0 0
ODI 2 155 61 523 1292 272 4 0
CDI 0 0 0 135 1401 2269 183 3
VCDI 0 0 0 11 321 5176 24176 38175

Date: 2023-11-15:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 91828 14075 721 1052 218 0 0 0
OW 28 295 101 776 652 15 0 0
VODI 0 247 114 516 790 41 0 0
ODI 0 64 47 493 1477 311 2 0
CDI 0 3 9 151 1664 2960 354 3
VCDI 0 0 0 0 176 5089 23847 38929

Date: 2023-11-17:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 91301 13442 647 778 16 0 0 0
OW 75 314 92 773 413 9 0 0
VODI 16 105 77 614 1192 107 0 0
ODI 7 42 25 397 1302 340 0 0
CDI 0 1 0 111 1558 3202 412 6
VCDI 0 0 0 7 263 4277 23037 42090


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