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: 2020-10-15

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2020-10-09:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 126120 18664 81 335 84 17 0 0
OW 12 2108 73 347 111 4 0 0
VODI 11 922 137 1299 1695 222 28 0
ODI 1 85 18 453 1258 1425 126 0
CDI 0 23 7 122 703 4266 3886 61
VCDI 0 0 0 0 8 694 12178 9464

Date: 2020-10-11:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 126209 16989 97 370 82 23 0 0
OW 8 2529 69 452 159 8 1 0
VODI 4 746 123 1151 1561 263 13 0
ODI 0 42 8 268 1248 2028 123 1
CDI 0 14 5 76 497 3730 4704 71
VCDI 0 0 0 0 5 1272 12493 9606

Date: 2020-10-13:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 122613 18758 134 538 119 26 1 0
OW 353 2604 69 532 194 8 3 0
VODI 20 752 134 1252 1256 106 4 0
ODI 0 33 13 256 1484 1838 142 1
CDI 0 5 0 29 434 5152 3510 89
VCDI 0 0 0 0 1 1288 9909 13388

Date: 2020-10-15:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 122334 18341 155 694 124 27 5 0
OW 60 2365 75 496 239 8 2 0
VODI 29 772 141 1272 1276 188 15 1
ODI 1 22 11 247 1319 1478 279 1
CDI 0 6 2 32 405 3576 4703 144
VCDI 0 0 0 6 65 1042 11195 13895

Date: 2020-10-17:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 123752 17028 136 655 138 22 2 0
OW 104 1858 55 345 176 5 3 0
VODI 6 860 130 1195 1246 81 4 0
ODI 0 20 13 242 1610 1446 122 0
CDI 0 7 0 38 528 3960 4158 147
VCDI 0 0 0 0 12 1257 15862 9825

Date: 2020-10-19:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 122873 17522 143 680 214 25 2 0
OW 38 1323 46 396 261 7 2 0
VODI 17 709 109 942 1392 153 8 1
ODI 0 14 13 254 1452 1306 79 9
CDI 0 4 0 12 490 4097 3041 356
VCDI 0 0 0 0 9 758 14524 13767

Date: 2020-10-21:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 120619 18962 161 728 189 38 1 0
OW 141 1517 48 418 288 27 2 0
VODI 11 690 97 914 1059 112 7 0
ODI 0 7 8 281 1477 1143 65 1
CDI 0 5 0 22 528 4141 2420 65
VCDI 0 0 0 7 34 1102 12778 16935

Date: 2020-10-23:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 119174 19203 158 781 247 44 0 0
OW 343 1712 69 476 251 27 0 0
VODI 38 747 101 936 922 113 0 0
ODI 2 23 16 305 1501 780 194 3
CDI 0 1 0 15 822 3927 1991 45
VCDI 0 0 0 0 34 3138 12254 16655


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