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

Validation of sea ice concentration - European sector

Reference date: 2024-03-28

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2024-03-22:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 65042 16009 498 391 8 0 0 0
OW 0 367 180 579 82 0 0 0
VODI 0 218 195 781 374 39 0 0
ODI 0 42 87 674 1075 234 10 0
CDI 0 0 2 136 973 2091 1189 11
VCDI 0 0 0 0 44 1005 7898 8866

Date: 2024-03-24:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 65165 15719 513 572 3 0 0 0
OW 1 436 140 507 98 0 0 0
VODI 0 283 227 619 416 47 0 0
ODI 0 49 69 811 921 227 11 0
CDI 0 5 6 126 1073 2186 805 0
VCDI 0 0 0 3 39 1698 8391 7934

Date: 2024-03-26:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 64591 15910 521 614 8 0 0 0
OW 0 307 152 628 116 0 0 0
VODI 0 173 177 699 417 35 0 0
ODI 0 16 22 597 1148 242 8 0
CDI 0 0 0 42 1150 2475 1056 0
VCDI 0 0 0 7 132 1580 8965 7312

Date: 2024-03-28:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 64745 15671 475 468 14 0 0 0
OW 0 320 166 557 84 0 0 0
VODI 0 243 154 830 393 35 0 0
ODI 0 11 42 613 1435 346 34 0
CDI 0 0 0 38 977 2121 1683 0
VCDI 0 0 0 0 30 769 7960 8886

Date: 2024-03-30:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 64913 15584 485 425 4 0 0 0
OW 51 407 156 461 41 0 0 0
VODI 13 359 158 881 236 29 4 0
ODI 0 50 52 745 1388 164 8 0
CDI 0 1 4 106 1129 2240 895 3
VCDI 0 0 0 3 58 1269 9636 7142

Date: 2024-04-01:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 65194 15520 463 593 109 0 0 0
OW 0 343 115 411 96 0 0 0
VODI 0 390 188 650 339 35 0 0
ODI 0 45 77 815 1408 256 6 0
CDI 0 1 5 70 1054 2288 685 0
VCDI 0 0 0 2 45 1544 9359 6994

Date: 2024-04-03:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 65303 15495 435 477 30 0 0 0
OW 0 386 171 412 93 8 0 0
VODI 0 378 229 880 382 29 0 0
ODI 0 10 38 728 1422 343 58 0
CDI 0 0 0 83 941 2341 1165 1
VCDI 0 0 0 1 14 907 8782 7558

Date: 2024-04-05:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 65404 15355 409 474 25 0 0 0
OW 0 451 181 427 86 0 0 0
VODI 0 295 256 903 415 3 0 0
ODI 0 7 18 640 1386 289 57 4
CDI 0 0 0 21 893 2158 1424 72
VCDI 0 0 0 0 5 807 8375 8260


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