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: 2018-04-26

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2018-04-20:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70326 13768 69 282 89 0 0 0
OW 2 572 30 116 84 4 0 0
VODI 0 779 65 398 328 37 6 0
ODI 0 441 67 619 894 108 25 0
CDI 0 155 31 606 2474 3990 2027 185
VCDI 0 1 4 31 394 2769 28117 57155

Date: 2018-04-22:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70961 13295 65 278 169 7 0 0
OW 7 458 19 120 101 4 1 0
VODI 9 739 64 314 375 27 8 0
ODI 3 386 64 584 815 90 47 0
CDI 0 228 36 544 2477 4519 2727 77
VCDI 0 3 7 34 256 2018 27810 57302

Date: 2018-04-24:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 71374 12700 58 288 111 5 0 0
OW 11 487 24 143 86 3 0 0
VODI 3 742 69 419 299 18 4 0
ODI 0 343 54 686 935 99 29 12
CDI 0 175 30 554 2637 4820 2464 94
VCDI 0 0 0 4 200 2912 28327 55829

Date: 2018-04-26:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 71142 12844 72 378 103 3 0 0
OW 5 481 26 193 91 5 0 0
VODI 0 712 57 373 339 20 2 1
ODI 0 358 65 873 866 121 13 1
CDI 0 167 20 473 2327 5124 2602 33
VCDI 0 0 0 17 156 1934 29627 55424

Date: 2018-04-28:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 69693 14080 98 480 126 4 0 0
OW 3 440 26 208 112 2 0 0
VODI 6 693 57 449 377 14 0 1
ODI 7 360 63 869 1064 161 14 4
CDI 0 134 23 372 2222 5167 2286 54
VCDI 0 1 0 28 183 2834 31353 52980

Date: 2018-04-30:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70568 13223 78 384 43 1 0 0
OW 6 527 34 210 86 1 0 0
VODI 6 868 60 552 235 24 1 1
ODI 1 424 79 1001 1144 200 17 3
CDI 0 98 22 414 2562 5403 2021 74
VCDI 0 4 1 35 194 2227 30104 54112

Date: 2018-05-02:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70684 13306 75 350 73 6 0 0
OW 2 545 29 234 78 3 0 0
VODI 4 812 86 541 369 36 10 4
ODI 0 345 63 1022 1349 390 37 10
CDI 0 115 30 523 2132 4710 1624 71
VCDI 0 2 1 64 518 3824 32746 50225

Date: 2018-05-04:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72249 12465 61 307 64 0 0 0
OW 0 595 35 207 98 8 0 0
VODI 0 826 65 458 268 31 0 2
ODI 0 404 54 946 1182 356 5 22
CDI 0 237 49 522 2480 5431 1869 414
VCDI 0 3 5 82 447 3886 29440 51475


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