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: 2021-03-18

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2021-03-12:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68803 12485 63 248 109 27 9 0
OW 25 1016 44 161 69 8 4 0
VODI 20 1274 70 451 257 37 8 0
ODI 7 766 105 906 1121 318 9 2
CDI 0 52 12 414 1428 2606 1590 64
VCDI 0 0 0 13 65 844 7469 6121

Date: 2021-03-14:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68834 11681 68 244 112 23 7 0
OW 75 1699 28 168 78 4 5 0
VODI 32 1370 70 423 197 35 5 0
ODI 11 674 103 942 922 290 10 0
CDI 0 73 10 401 1454 2654 1182 46
VCDI 0 0 0 1 71 825 8183 6090

Date: 2021-03-16:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 69114 11328 59 279 103 21 4 0
OW 98 1374 31 151 26 11 5 0
VODI 45 1229 65 454 220 9 3 0
ODI 8 600 89 827 930 160 11 2
CDI 0 104 17 321 1662 3157 1033 50
VCDI 0 0 0 1 88 810 8913 5688

Date: 2021-03-18:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68564 12240 71 244 98 22 4 0
OW 68 904 30 151 31 6 2 0
VODI 39 1039 84 458 193 18 3 1
ODI 2 598 74 769 964 237 53 7
CDI 0 78 20 350 1755 4080 1750 65
VCDI 0 0 0 0 21 474 7554 5979

Date: 2021-03-20:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68240 12372 74 290 131 9 0 0
OW 71 1234 18 106 57 5 0 0
VODI 9 1330 86 345 160 32 0 0
ODI 0 689 101 1084 984 312 4 0
CDI 0 108 20 467 2383 3692 1291 31
VCDI 0 0 0 0 59 1366 6337 5603

Date: 2021-03-22:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 67807 13094 80 331 109 1 0 0
OW 17 864 31 122 81 4 0 0
VODI 8 1233 75 382 242 15 0 0
ODI 0 633 113 1107 1170 277 4 0
CDI 0 42 22 394 2367 4051 1360 10
VCDI 0 0 0 0 25 562 5992 6475

Date: 2021-03-24:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 67719 12567 88 267 91 2 0 0
OW 118 1656 25 170 92 4 0 0
VODI 7 1275 92 563 242 29 0 0
ODI 0 651 96 1065 1312 241 9 2
CDI 0 57 18 329 2084 2986 827 6
VCDI 0 0 0 17 86 1363 5881 7063

Date: 2021-03-26:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 67971 12642 56 286 102 5 0 0
OW 98 1248 40 217 81 8 0 0
VODI 4 1503 87 531 261 36 0 0
ODI 0 587 88 1106 1176 196 4 0
CDI 0 113 20 284 1900 2818 1056 27
VCDI 0 0 0 0 48 1368 6389 6744


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