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: 2023-08-10

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2023-08-04:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 89859 7434 239 318 1 0 0 0
OW 0 80 66 457 25 0 0 0
VODI 0 2 18 874 949 14 0 0
ODI 0 0 0 7 409 938 91 0
CDI 0 0 0 0 25 3357 1443 117
VCDI 0 0 0 0 0 59 1218 1100

Date: 2023-08-06:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 92336 5381 208 172 0 0 0 0
OW 0 165 129 364 7 0 0 0
VODI 0 2 26 968 984 101 0 0
ODI 0 0 0 8 410 913 68 0
CDI 0 0 0 1 9 3248 598 20
VCDI 0 0 0 0 0 111 2348 523

Date: 2023-08-08:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 93628 4232 191 186 0 0 0 0
OW 0 150 147 291 1 0 0 0
VODI 0 16 15 1036 591 123 0 0
ODI 0 0 0 12 963 871 13 1
CDI 0 0 0 0 201 2314 856 86
VCDI 0 0 0 0 0 79 1719 1378

Date: 2023-08-10:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 92718 5232 177 209 0 0 0 0
OW 0 123 154 319 2 0 0 0
VODI 0 19 14 947 477 24 0 0
ODI 0 0 0 4 845 1331 116 2
CDI 0 0 0 0 175 2537 749 58
VCDI 0 0 0 0 0 142 1593 1133

Date: 2023-08-12:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 94249 4013 127 39 0 0 0 0
OW 0 201 146 302 0 0 0 0
VODI 0 25 24 1079 295 1 0 0
ODI 0 0 0 25 1339 1121 79 0
CDI 0 0 0 0 164 2436 671 24
VCDI 0 0 0 0 0 116 2266 358

Date: 2023-08-14:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 94737 3651 96 48 0 0 0 0
OW 0 194 191 422 0 0 0 0
VODI 0 7 6 901 256 0 0 0
ODI 0 0 0 24 945 1028 36 5
CDI 0 0 0 0 97 2325 1143 40
VCDI 0 0 0 0 0 51 1571 1326

Date: 2023-08-16:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 94119 4241 137 89 0 0 0 0
OW 0 267 259 386 0 0 0 0
VODI 0 4 48 748 210 0 0 0
ODI 0 0 0 54 1155 308 28 0
CDI 0 0 0 0 267 2050 1129 112
VCDI 0 0 0 0 0 401 1800 1288

Date: 2023-08-18:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 91786 6446 212 136 0 0 0 0
OW 0 247 202 549 0 0 0 0
VODI 0 9 40 602 298 1 0 0
ODI 0 0 0 61 1462 513 45 0
CDI 0 0 0 0 141 1880 1148 109
VCDI 0 0 0 0 0 80 1967 1166


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