Description of algorithm
Interpretation of results
Full domain
American sector
European sector
  Ice concntr, edge pos
  Contingency tables
Asian sector

Validation of sea ice concentration - European sector

Reference date: 2022-03-10

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2022-03-04:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 66664 12248 42 199 68 4 0 0
OW 11 929 36 117 66 6 0 0
VODI 1 1017 67 445 341 21 0 1
ODI 0 660 76 777 1135 367 3 7
CDI 0 227 49 365 1525 3952 1954 27
VCDI 0 6 2 67 140 885 7492 7101

Date: 2022-03-06:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 66371 12572 68 264 100 5 0 0
OW 40 968 41 156 45 5 0 0
VODI 0 871 63 440 298 16 0 4
ODI 0 527 87 1063 1235 250 2 6
CDI 0 189 22 479 2390 3524 1400 32
VCDI 0 0 0 1 169 1681 7705 6011

Date: 2022-03-08:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 65676 12883 70 337 84 0 0 0
OW 55 1062 45 207 102 2 0 0
VODI 0 876 72 532 331 37 0 3
ODI 0 487 94 1100 1561 467 4 8
CDI 0 57 12 309 1997 4511 1479 14
VCDI 0 0 0 0 85 769 6869 6903

Date: 2022-03-10:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 66944 12525 56 243 86 2 0 0
OW 12 809 37 116 80 7 0 0
VODI 0 1093 74 471 330 36 0 0
ODI 0 814 104 1010 1411 209 4 0
CDI 0 169 19 449 2143 4490 1197 40
VCDI 0 0 0 1 32 606 6681 6800

Date: 2022-03-12:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 67161 12442 48 129 31 0 0 0
OW 87 1058 39 227 83 0 0 0
VODI 7 1009 64 554 311 56 0 0
ODI 2 716 95 849 1462 321 4 2
CDI 0 375 44 527 1705 4565 1215 28
VCDI 0 0 0 17 147 953 6492 6275

Date: 2022-03-14:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68735 11814 53 160 47 0 0 0
OW 54 745 32 162 33 1 0 0
VODI 27 1212 76 578 174 11 0 3
ODI 13 870 108 1099 1346 147 16 5
CDI 0 243 39 440 2011 5429 941 5
VCDI 0 0 1 21 75 1376 6102 4896

Date: 2022-03-16:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68343 12424 68 262 78 10 0 0
OW 45 845 27 165 92 7 0 0
VODI 25 950 80 604 488 36 1 0
ODI 2 763 93 890 1593 269 17 5
CDI 1 149 22 380 2154 5503 943 15
VCDI 0 23 4 50 172 1511 5362 4629

Date: 2022-03-18:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68167 12310 74 292 82 2 0 0
OW 41 886 51 256 92 9 0 0
VODI 40 815 71 696 606 102 5 0
ODI 4 645 89 882 1550 425 34 0
CDI 2 84 20 273 1898 5650 2005 37
VCDI 0 35 6 73 158 683 4358 5592


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