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: 2023-12-21

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2023-12-15:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 78367 10518 319 365 10 0 0 0
OW 26 450 130 250 65 0 0 0
VODI 8 283 231 659 206 1 0 0
ODI 5 10 31 699 1008 93 0 0
CDI 0 0 0 35 841 1928 164 0
VCDI 0 0 0 0 10 2002 5832 4554

Date: 2023-12-17:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 78371 10600 341 333 13 0 0 0
OW 41 520 168 308 63 0 0 0
VODI 25 179 196 694 234 0 0 0
ODI 7 3 13 526 966 147 1 0
CDI 0 0 0 25 660 2547 475 0
VCDI 0 0 0 0 43 1454 6016 4131

Date: 2023-12-19:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 76501 11932 414 468 27 0 0 0
OW 30 351 168 346 65 0 0 0
VODI 19 145 132 759 346 3 0 0
ODI 0 4 24 478 951 195 8 0
CDI 0 0 0 73 686 1846 502 0
VCDI 0 0 0 2 56 2104 5707 4758

Date: 2023-12-21:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 76267 11429 552 400 11 0 0 0
OW 18 277 155 454 93 0 0 0
VODI 1 123 81 574 260 12 0 0
ODI 0 5 33 457 958 155 2 0
CDI 0 0 0 104 933 1796 296 0
VCDI 0 0 0 3 121 3065 6052 4413

Date: 2023-12-23:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 75354 11968 459 436 22 0 0 0
OW 26 267 130 382 66 0 0 0
VODI 1 286 120 450 193 44 0 0
ODI 0 50 59 556 707 67 3 0
CDI 0 2 3 93 1117 1866 319 0
VCDI 0 0 0 0 107 2885 6330 4732

Date: 2023-12-25:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 76135 11191 381 331 14 0 0 0
OW 60 320 118 312 64 0 0 0
VODI 24 356 155 446 188 33 0 0
ODI 1 25 47 572 726 139 8 0
CDI 0 0 0 70 828 1909 375 0
VCDI 0 0 0 2 49 2511 6353 5357

Date: 2023-12-27:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 76082 11396 363 244 4 0 0 0
OW 60 370 157 302 32 0 0 0
VODI 42 398 143 499 156 0 0 0
ODI 7 88 90 555 544 72 0 0
CDI 0 2 4 243 1158 1499 115 0
VCDI 0 0 0 1 142 3069 6443 4820

Date: 2023-12-29:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 75563 11803 306 257 14 0 0 0
OW 92 472 149 273 42 0 0 0
VODI 86 391 130 502 127 1 0 0
ODI 3 82 97 533 733 70 0 0
CDI 0 0 3 152 1017 1768 267 0
VCDI 0 0 0 0 83 2438 7530 4116


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