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: 2021-09-30

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2021-09-24:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 98221 3859 23 116 25 0 0 0
OW 0 132 8 33 35 0 0 0
VODI 0 59 14 96 80 2 0 0
ODI 0 4 0 85 194 20 0 0
CDI 0 0 0 16 176 1942 1127 14
VCDI 0 0 0 0 0 688 1956 175

Date: 2021-09-26:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 98669 2982 17 89 4 0 0 0
OW 0 371 13 50 33 0 0 0
VODI 0 31 11 138 145 4 0 0
ODI 0 0 0 44 246 34 0 0
CDI 0 0 0 1 153 1462 358 1
VCDI 0 0 0 0 0 691 2523 1030

Date: 2021-09-28:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 96258 4978 25 68 18 0 0 0
OW 0 429 18 94 41 0 0 0
VODI 0 29 9 138 187 13 0 0
ODI 0 0 0 35 176 179 0 0
CDI 0 0 0 8 69 947 908 2
VCDI 0 0 0 0 0 336 3315 820

Date: 2021-09-30:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 97557 3497 25 98 40 0 0 0
OW 0 195 16 121 67 1 0 0
VODI 0 26 4 125 338 34 0 0
ODI 0 0 0 4 133 183 0 0
CDI 0 0 0 0 42 881 766 14
VCDI 0 0 0 0 0 187 2591 2155

Date: 2021-10-02:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 97023 4152 34 116 57 0 0 0
OW 0 71 4 61 15 2 0 0
VODI 0 62 3 164 266 16 0 0
ODI 0 0 0 5 162 89 0 0
CDI 0 0 0 1 113 919 701 0
VCDI 0 0 0 0 0 210 3760 1094

Date: 2021-10-04:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 97624 3109 30 118 37 1 0 0
OW 0 182 13 143 80 2 0 0
VODI 0 16 1 96 291 47 0 0
ODI 0 0 0 3 104 192 0 0
CDI 0 0 0 0 33 602 721 1
VCDI 0 0 0 0 0 70 3125 2459

Date: 2021-10-06:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 96026 4425 22 81 13 0 0 0
OW 0 315 21 122 57 0 0 0
VODI 0 80 7 115 208 0 0 0
ODI 0 0 0 48 257 103 0 0
CDI 0 0 0 4 170 895 96 2
VCDI 0 0 0 0 0 511 2892 2630

Date: 2021-10-08:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 95956 3592 33 82 20 0 0 0
OW 38 681 17 138 54 0 0 0
VODI 0 68 13 164 184 80 0 0
ODI 0 0 0 51 164 256 1 0
CDI 0 0 0 0 91 890 361 4
VCDI 0 0 0 0 0 575 3148 2439


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