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: 2023-10-05

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2023-09-29:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 93870 4042 237 212 16 0 0 0
OW 5 57 90 351 60 0 0 0
VODI 0 3 7 307 167 0 0 0
ODI 0 0 0 58 454 151 0 0
CDI 0 0 0 0 130 516 187 0
VCDI 0 0 0 0 3 252 2616 5309

Date: 2023-10-01:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 91568 6313 198 183 0 0 0 0
OW 11 101 51 218 80 51 0 0
VODI 0 39 27 165 142 150 0 0
ODI 0 3 20 86 153 147 22 0
CDI 0 0 0 72 153 377 273 16
VCDI 0 0 0 0 37 203 4177 4064

Date: 2023-10-03:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 92898 4763 194 164 5 0 0 0
OW 13 100 68 246 47 0 0 0
VODI 0 29 42 219 92 84 0 0
ODI 0 1 30 139 142 142 1 0
CDI 0 0 0 71 260 328 96 0
VCDI 0 0 0 0 17 1842 6317 750

Date: 2023-10-05:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 92305 5058 145 255 38 0 0 0
OW 8 147 91 160 139 0 0 0
VODI 0 32 57 203 164 64 0 0
ODI 0 0 22 207 120 96 40 0
CDI 0 0 0 41 297 376 71 0
VCDI 0 0 0 0 14 1596 6356 998

Date: 2023-10-07:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 92733 4700 97 144 0 0 0 0
OW 0 237 80 156 77 0 0 0
VODI 0 71 92 175 220 86 0 0
ODI 0 1 26 194 113 124 33 0
CDI 0 0 0 36 269 293 135 6
VCDI 0 0 0 0 14 1280 6202 1506

Date: 2023-10-09:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 92788 4362 119 215 36 0 0 0
OW 0 236 109 166 91 20 0 0
VODI 0 51 61 356 217 7 0 0
ODI 0 0 4 123 386 56 0 0
CDI 0 0 0 0 160 462 50 0
VCDI 0 0 0 0 7 1541 6336 1141

Date: 2023-10-11:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 92643 4521 116 165 23 0 0 0
OW 0 203 131 135 44 7 0 0
VODI 0 23 62 423 111 39 0 0
ODI 0 1 4 194 317 48 0 0
CDI 0 0 0 10 268 471 75 0
VCDI 0 0 0 0 2 755 6116 2193

Date: 2023-10-13:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 92723 4720 81 33 0 0 0 0
OW 0 189 101 116 3 0 0 0
VODI 0 68 77 307 135 2 0 0
ODI 0 4 20 177 298 32 0 0
CDI 0 0 1 65 282 370 59 0
VCDI 0 0 0 0 45 1221 5998 1973


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