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: 2021-08-19

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2021-08-13:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 114771 20105 261 1542 689 51 0 0
OW 67 618 38 353 158 7 0 0
VODI 53 1243 136 2057 1014 32 0 0
ODI 13 357 57 1344 9052 1921 1 0
CDI 0 4 8 34 1080 18707 3917 0
VCDI 0 0 0 0 6 2402 4725 225

Date: 2021-08-15:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 116228 19470 238 1497 459 52 0 0
OW 26 722 47 349 128 23 0 0
VODI 40 1639 154 2202 747 29 1 0
ODI 10 346 62 2121 8815 804 7 0
CDI 0 7 1 38 1757 12942 6178 790
VCDI 0 0 0 0 6 1108 6063 1942

Date: 2021-08-17:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 117806 18262 232 1525 414 57 0 0
OW 24 764 47 317 126 24 0 0
VODI 26 1844 174 2474 898 37 0 0
ODI 9 359 50 2094 8746 844 12 0
CDI 0 4 2 32 1570 10940 5477 0
VCDI 0 0 0 0 0 2594 9056 208

Date: 2021-08-19:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 118195 18494 223 1236 340 46 0 0
OW 16 829 35 286 127 25 0 0
VODI 15 1875 181 3104 872 32 0 0
ODI 9 337 46 2232 7815 1053 0 0
CDI 0 6 1 9 1774 12320 5413 58
VCDI 0 0 0 0 1 2672 7353 18

Date: 2021-08-21:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 120865 16338 232 1131 390 78 0 0
OW 9 922 36 259 136 22 1 0
VODI 19 1933 184 3284 932 42 5 0
ODI 4 288 55 2527 6853 1742 29 0
CDI 0 5 0 7 1268 11129 8109 1639
VCDI 0 0 0 0 0 158 3909 2508

Date: 2021-08-23:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 119121 18737 190 1041 306 81 0 0
OW 14 847 35 277 84 18 0 0
VODI 11 2200 214 3740 851 43 0 0
ODI 4 343 51 2443 7510 716 0 0
CDI 0 10 1 16 1677 19689 1811 0
VCDI 0 0 0 0 0 1095 3784 88

Date: 2021-08-25:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 119822 18311 185 916 320 86 1 0
OW 26 947 28 265 103 32 1 0
VODI 51 2551 238 3968 784 53 2 0
ODI 11 297 43 2304 7889 963 6 0
CDI 0 6 0 24 3456 15181 3342 163
VCDI 0 0 0 0 0 154 3106 1413

Date: 2021-08-27:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 120040 18547 186 888 336 87 9 0
OW 37 1065 38 257 99 23 2 0
VODI 56 2693 241 4038 665 52 3 0
ODI 6 300 36 2269 8359 1038 13 0
CDI 0 2 0 33 3614 13578 3008 0
VCDI 0 0 0 0 0 592 3591 1247


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