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: 2021-05-06

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2021-04-30:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 71641 13667 113 543 121 2 0 0
OW 0 603 43 358 133 6 0 0
VODI 0 731 66 724 734 41 1 0
ODI 0 393 59 670 1158 282 34 2
CDI 0 58 13 331 2459 5961 3350 179
VCDI 0 0 0 0 130 3488 27131 51823

Date: 2021-05-02:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72138 13853 138 568 137 7 0 0
OW 0 571 47 268 98 5 0 0
VODI 0 832 63 758 456 19 8 0
ODI 0 402 51 752 1045 249 29 10
CDI 0 58 22 280 2421 5985 2414 157
VCDI 0 4 5 28 135 2877 24875 55283

Date: 2021-05-04:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72137 14425 154 562 117 0 0 0
OW 0 511 43 269 71 2 0 0
VODI 0 756 69 607 328 36 12 0
ODI 0 299 40 699 1217 352 59 7
CDI 0 124 29 324 2548 6000 1860 155
VCDI 0 3 2 14 99 3520 25506 54092

Date: 2021-05-06:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72531 14105 147 618 151 0 0 0
OW 10 516 33 254 124 2 0 0
VODI 8 776 60 583 381 19 7 0
ODI 0 286 44 656 1587 170 77 8
CDI 0 116 19 291 2278 5810 2898 69
VCDI 0 0 0 0 85 2386 25678 54265

Date: 2021-05-08:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72536 14357 135 675 194 2 0 0
OW 1 525 32 217 144 5 0 0
VODI 0 756 58 518 412 35 6 0
ODI 0 271 42 682 1294 274 75 9
CDI 0 101 14 316 2589 6225 3252 61
VCDI 0 0 0 0 228 3058 23984 53965

Date: 2021-05-10:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 73032 14384 137 655 155 4 0 0
OW 0 519 31 236 102 1 0 0
VODI 0 748 57 573 388 33 18 4
ODI 0 328 50 812 1430 171 69 26
CDI 0 84 12 288 2991 6970 1762 38
VCDI 0 0 0 16 218 3781 27558 49367

Date: 2021-05-12:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72610 14753 144 829 145 4 0 0
OW 0 421 37 212 129 2 0 0
VODI 0 630 55 587 467 32 13 0
ODI 0 311 48 820 1714 255 38 11
CDI 0 67 8 378 3462 8247 2246 29
VCDI 0 0 0 23 336 5490 24017 48478

Date: 2021-05-14:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72559 14485 165 848 136 2 0 0
OW 0 458 24 239 146 8 0 0
VODI 0 637 67 646 514 31 20 0
ODI 0 384 58 1053 1904 319 61 1
CDI 0 29 11 500 4136 9313 2564 39
VCDI 0 0 0 19 223 5165 25940 44344


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