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: 2024-04-18

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2024-04-12:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 65301 15431 396 301 18 0 0 0
OW 0 393 165 400 53 0 0 0
VODI 0 306 226 894 303 29 0 0
ODI 0 49 82 936 1414 371 46 1
CDI 0 0 0 73 1560 3819 920 32
VCDI 0 0 0 0 34 2833 23770 66892

Date: 2024-04-14:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 65384 15282 350 384 22 0 0 0
OW 0 528 171 425 98 3 0 0
VODI 0 454 261 951 454 66 0 0
ODI 0 48 96 839 1717 335 14 1
CDI 0 0 0 109 1419 3586 935 51
VCDI 0 0 0 3 23 2637 22164 68238

Date: 2024-04-16:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 65968 15053 415 487 57 0 0 0
OW 0 534 126 442 94 2 0 0
VODI 0 552 275 838 445 3 0 0
ODI 0 42 58 931 1614 286 11 1
CDI 0 0 0 162 1555 3875 931 38
VCDI 0 0 0 0 16 1691 17402 73144

Date: 2024-04-18:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 65576 15438 451 468 6 0 0 0
OW 0 463 126 504 130 3 0 0
VODI 0 453 245 763 523 7 1 0
ODI 0 69 89 880 1486 448 38 0
CDI 0 0 0 118 1544 3918 1355 48
VCDI 0 0 0 6 162 1964 17019 72747

Date: 2024-04-20:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 66871 14284 351 441 11 0 0 0
OW 0 474 94 458 99 0 0 0
VODI 0 560 274 794 536 7 0 0
ODI 0 104 92 904 1577 426 31 0
CDI 0 0 5 167 1879 4008 1316 8
VCDI 0 0 0 0 141 2604 25233 63299

Date: 2024-04-22:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 67045 14308 333 432 5 0 0 0
OW 0 499 114 445 68 0 0 0
VODI 0 670 271 824 526 7 0 0
ODI 0 130 118 826 1846 501 23 0
CDI 0 2 11 144 1399 3938 713 5
VCDI 0 0 0 2 145 4043 25986 61669

Date: 2024-04-24:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 67557 14313 329 439 7 0 0 0
OW 0 492 112 386 55 0 0 0
VODI 0 755 245 894 414 11 0 0
ODI 0 266 196 866 1992 394 20 0
CDI 0 0 7 385 1551 3468 881 0
VCDI 0 0 0 6 308 3941 22135 64623

Date: 2024-04-26:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 67398 14664 344 413 1 0 0 0
OW 0 563 136 419 21 0 0 0
VODI 0 740 240 981 344 23 3 0
ODI 0 326 207 1146 2055 608 73 0
CDI 0 2 2 430 1769 4038 932 5
VCDI 0 0 0 27 687 3912 25126 59413


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