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: 2022-05-19

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2022-05-13:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 69936 13190 84 332 106 10 10 0
OW 0 554 20 144 117 14 10 0
VODI 0 947 96 707 387 95 22 10
ODI 0 310 62 1113 2903 584 46 8
CDI 0 74 12 534 4526 11725 4057 58
VCDI 0 0 0 0 232 3751 26844 43418

Date: 2022-05-15:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70919 12528 79 382 96 25 0 0
OW 5 484 34 181 102 28 0 0
VODI 0 921 91 836 443 99 2 1
ODI 0 287 54 1216 3297 456 33 2
CDI 0 56 19 524 5095 12033 2740 72
VCDI 0 0 0 14 168 3901 26603 43222

Date: 2022-05-17:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70995 12673 98 364 85 2 2 0
OW 2 516 34 213 109 7 1 0
VODI 0 806 81 1006 605 41 15 12
ODI 0 290 52 1253 4031 595 85 11
CDI 0 44 13 532 5102 10484 2627 113
VCDI 0 0 0 15 206 3081 25836 45011

Date: 2022-05-19:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70894 13200 103 512 127 7 4 0
OW 0 555 43 269 146 8 7 0
VODI 0 863 105 1117 767 51 20 11
ODI 0 367 57 1452 3560 677 156 13
CDI 0 78 20 790 5454 8770 3138 151
VCDI 0 2 3 27 434 4155 25672 43263

Date: 2022-05-21:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70593 13842 114 624 200 15 1 0
OW 0 511 30 296 182 12 8 0
VODI 0 825 101 1196 863 95 28 10
ODI 0 374 87 1378 3890 883 71 9
CDI 0 170 39 898 5413 9053 3774 114
VCDI 0 0 0 19 312 3349 26796 40873

Date: 2022-05-23:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70664 14120 137 616 215 2 2 0
OW 0 496 35 416 283 6 6 0
VODI 0 782 117 1346 903 71 13 0
ODI 0 464 62 1550 4279 479 40 5
CDI 0 178 44 886 5219 10081 2765 37
VCDI 0 0 0 5 223 3483 26686 40332

Date: 2022-05-25:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 71573 13813 135 713 268 2 4 0
OW 0 647 58 452 239 4 3 0
VODI 0 851 102 1317 791 28 9 0
ODI 0 493 71 1671 4001 302 42 3
CDI 0 148 37 826 5861 10516 3622 110
VCDI 0 0 0 0 157 3435 29451 35293

Date: 2022-05-27:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 73275 12993 151 971 373 3 0 0
OW 0 545 58 415 209 7 1 0
VODI 0 757 87 1371 689 22 5 4
ODI 0 450 74 2028 3521 348 11 12
CDI 0 143 32 626 5245 10849 3458 223
VCDI 0 0 0 1 105 4610 29084 34292


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