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: 2021-10-07

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2021-10-01:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 119928 17276 148 793 243 14 0 0
OW 108 1917 103 586 236 15 0 0
VODI 41 1104 86 899 1244 378 10 0
ODI 0 206 36 426 1561 2785 134 0
CDI 0 12 12 130 802 4729 3770 45
VCDI 0 0 0 10 55 2208 13248 11750

Date: 2021-10-03:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 117358 19832 175 745 232 7 0 0
OW 76 1379 81 534 290 21 0 0
VODI 7 848 107 1163 1025 269 0 0
ODI 0 171 31 476 1126 1711 163 0
CDI 0 2 4 91 823 4410 4762 289
VCDI 0 0 0 0 0 640 13298 14902

Date: 2021-10-05:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 118233 18017 162 651 187 12 0 0
OW 47 1842 97 596 346 35 2 0
VODI 10 866 92 945 1166 183 10 0
ODI 0 126 35 472 1348 1030 101 0
CDI 0 5 0 60 700 3343 3852 34
VCDI 0 0 0 0 0 705 11612 20126

Date: 2021-10-07:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 117321 17644 147 548 148 25 0 0
OW 41 2110 113 700 349 63 0 0
VODI 17 802 91 850 1103 570 2 0
ODI 0 120 26 393 1156 1287 136 0
CDI 0 6 0 62 632 4021 2493 13
VCDI 0 0 0 0 3 1513 13859 18684

Date: 2021-10-09:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 113840 19018 174 992 132 1 0 0
OW 93 2209 103 792 227 23 0 0
VODI 23 644 110 1212 1500 314 15 0
ODI 0 118 36 416 1203 1418 94 1
CDI 0 11 2 68 816 4649 2425 15
VCDI 0 0 0 0 5 1333 14207 18809

Date: 2021-10-11:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 111242 19759 204 961 249 1 0 0
OW 215 2323 116 806 321 30 0 0
VODI 17 588 85 1041 1706 426 20 0
ODI 0 76 30 317 1171 1579 130 0
CDI 0 12 3 67 529 4366 3015 44
VCDI 0 0 0 0 0 533 11901 23165

Date: 2021-10-13:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 110033 19469 183 876 187 0 0 0
OW 112 2800 149 1002 443 15 0 0
VODI 11 588 105 1172 1640 283 0 0
ODI 0 68 31 482 1222 1239 81 2
CDI 0 9 0 65 644 4307 2409 15
VCDI 0 0 0 0 3 846 13686 22871

Date: 2021-10-15:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 110917 16566 139 651 174 0 0 0
OW 203 2647 115 610 285 73 0 0
VODI 7 1320 174 1620 2125 326 41 0
ODI 0 99 35 437 1359 1167 279 2
CDI 0 2 0 98 809 4349 2665 44
VCDI 0 0 0 5 31 919 13036 23719


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