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: 2022-05-12

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2022-05-06:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68519 13585 82 294 89 0 0 0
OW 0 693 41 206 122 11 0 0
VODI 0 752 69 565 297 56 7 6
ODI 0 336 53 826 1692 578 61 16
CDI 0 10 10 224 2710 10092 3128 103
VCDI 0 0 1 8 292 3187 27025 51302

Date: 2022-05-08:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68768 13778 99 322 38 0 0 0
OW 0 551 40 186 50 12 1 0
VODI 0 676 81 652 265 65 8 3
ODI 0 301 52 989 2227 464 57 9
CDI 0 40 13 232 3643 10884 3931 205
VCDI 0 0 0 3 120 3369 26628 48286

Date: 2022-05-10:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 69385 13318 73 212 37 29 0 0
OW 0 657 41 202 48 29 4 0
VODI 0 778 83 759 352 75 8 11
ODI 0 309 65 1161 2826 364 33 10
CDI 0 83 13 222 5662 11148 2834 94
VCDI 0 115 1 75 519 4088 27242 44083

Date: 2022-05-12:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 69564 13300 78 322 83 23 0 0
OW 0 598 22 219 110 28 2 0
VODI 0 901 81 714 412 116 7 9
ODI 0 360 71 1106 2674 843 28 10
CDI 0 77 19 520 4326 13276 1926 57
VCDI 0 0 0 0 254 4365 27155 43392

Date: 2022-05-14:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70687 12591 83 411 131 13 1 0
OW 2 477 24 156 118 26 3 0
VODI 0 890 107 757 393 115 19 6
ODI 0 271 55 1111 3034 584 82 8
CDI 0 60 15 516 4671 10939 4803 49
VCDI 0 0 0 4 161 3677 26883 43115

Date: 2022-05-16:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70923 12679 81 369 67 18 0 0
OW 5 508 30 181 73 18 4 0
VODI 1 807 81 940 469 58 30 2
ODI 0 275 52 1245 3784 451 70 10
CDI 0 49 15 569 5066 11657 2546 77
VCDI 0 0 0 13 171 2788 24509 46357

Date: 2022-05-18:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70724 13079 96 443 134 4 0 0
OW 0 530 40 262 114 14 1 0
VODI 0 808 117 1039 759 65 6 12
ODI 0 314 43 1313 3895 712 123 11
CDI 0 54 19 610 5404 9084 2787 183
VCDI 0 2 3 19 409 4038 25943 43835

Date: 2022-05-20:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70525 13724 118 614 189 10 4 0
OW 0 547 42 274 150 20 5 0
VODI 0 811 103 1145 797 51 23 13
ODI 0 387 70 1350 3446 897 138 11
CDI 0 138 32 838 5538 9127 3591 163
VCDI 0 0 1 28 285 3823 25466 42554


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