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: 2021-10-07

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 97465 3691 28 113 54 1 0 0
OW 0 97 7 65 24 2 0 0
VODI 0 41 7 166 320 20 0 0
ODI 0 0 0 4 136 151 2 0
CDI 0 0 0 0 70 845 678 0
VCDI 0 0 0 0 0 161 3395 1557

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 96090 4924 34 149 33 1 0 0
OW 0 81 10 79 23 1 0 0
VODI 0 35 4 171 238 57 0 0
ODI 0 0 0 6 152 92 0 0
CDI 0 0 0 0 68 662 840 47
VCDI 0 0 0 0 0 57 2661 2585

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 96240 4397 29 80 20 0 0 0
OW 0 227 20 159 61 0 0 0
VODI 0 34 6 112 247 10 0 0
ODI 0 0 0 16 187 176 0 0
CDI 0 0 0 0 80 766 381 3
VCDI 0 0 0 0 0 128 2786 2935

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 96558 3580 15 58 11 0 0 0
OW 0 429 22 117 85 4 0 0
VODI 0 99 8 120 155 45 0 0
ODI 0 0 1 54 167 228 0 0
CDI 0 0 0 0 125 971 137 2
VCDI 0 0 0 0 0 325 3635 2149

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 95629 4058 25 92 17 0 0 0
OW 2 451 17 94 38 0 0 0
VODI 0 76 21 215 203 36 0 0
ODI 0 1 0 58 194 209 0 0
CDI 0 0 0 0 105 1073 293 4
VCDI 0 0 0 0 0 364 3212 2613

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 94823 4389 33 152 19 0 0 0
OW 3 420 25 177 109 0 0 0
VODI 0 32 12 171 246 122 0 0
ODI 0 0 0 53 204 216 6 0
CDI 0 0 0 3 109 829 631 32
VCDI 0 0 0 0 0 13 1778 4493

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 94050 5163 29 108 23 0 0 0
OW 4 394 13 183 72 0 0 0
VODI 0 41 13 150 334 59 0 0
ODI 0 6 1 83 188 158 0 2
CDI 0 0 0 9 175 1081 232 9
VCDI 0 0 0 0 0 348 3204 2968

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 95238 4067 32 86 20 0 0 0
OW 0 370 10 117 54 0 0 0
VODI 0 65 17 166 294 17 0 0
ODI 0 12 2 99 210 165 0 2
CDI 0 0 0 25 225 1316 181 7
VCDI 0 0 0 0 0 171 2748 3384


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