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

Validation of sea ice concentration - Asian sector

Reference date: 2025-03-27

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2025-03-21:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 202 24 24 0 0 0 0
OW 0 33 7 30 0 0 0 0
VODI 0 8 9 62 46 2 0 0
ODI 0 0 0 21 69 88 19 0
CDI 0 0 0 32 95 254 249 1
VCDI 0 0 0 4 13 549 9789 20452

Date: 2025-03-23:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 187 22 15 0 0 0 0
OW 0 54 8 26 0 0 0 0
VODI 0 10 13 56 40 3 0 0
ODI 0 0 0 16 75 54 29 6
CDI 0 0 0 48 83 162 166 32
VCDI 0 0 0 1 1 231 8136 22608

Date: 2025-03-25:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 261 17 2 0 0 0 0
OW 0 86 10 9 0 0 0 0
VODI 0 57 30 45 4 1 0 0
ODI 0 7 7 112 34 15 1 0
CDI 0 1 2 66 184 154 64 6
VCDI 0 0 0 0 23 342 6202 24340

Date: 2025-03-27:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 357 4 1 1 0 0 0
OW 0 95 5 3 4 0 0 0
VODI 0 117 24 29 12 4 0 0
ODI 0 98 43 89 60 12 0 0
CDI 0 15 10 109 249 253 37 0
VCDI 0 0 0 9 92 839 6932 22579

Date: 2025-03-29:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 425 0 12 0 0 0 0
OW 0 101 6 10 0 0 0 0
VODI 0 139 23 44 7 0 0 0
ODI 0 120 43 130 67 16 0 0
CDI 0 11 17 107 344 472 40 0
VCDI 0 0 1 14 55 1268 6734 21876

Date: 2025-03-31:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 353 9 7 0 0 0 0
OW 0 93 10 13 0 0 0 0
VODI 0 159 22 53 15 3 0 0
ODI 0 47 41 183 138 27 3 0
CDI 0 0 0 26 297 809 287 0
VCDI 0 0 0 0 18 1444 8593 19432

Date: 2025-04-02:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 310 11 13 1 0 0 0
OW 0 72 6 18 8 15 0 0
VODI 0 129 31 64 37 44 1 0
ODI 0 16 19 107 143 181 13 0
CDI 0 0 0 2 90 402 534 1
VCDI 0 0 0 0 6 316 7094 22398

Date: 2025-04-04:

Best estimate
...observations not yet available


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