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: 2021-10-28

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2021-10-22:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 93666 4741 37 158 25 0 0 0
OW 114 266 14 139 35 0 0 0
VODI 0 140 20 238 250 9 0 0
ODI 0 6 3 105 311 290 0 0
CDI 0 0 0 0 205 1722 200 0
VCDI 0 0 0 0 0 575 3169 2662

Date: 2021-10-24:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 93284 4446 30 124 23 0 0 0
OW 289 634 16 159 36 0 0 0
VODI 0 129 16 257 195 2 0 0
ODI 0 16 5 118 393 178 21 1
CDI 0 0 0 2 211 1129 755 11
VCDI 0 0 0 0 0 156 2942 3522

Date: 2021-10-26:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 92201 5297 55 264 64 0 0 0
OW 305 692 11 88 60 5 0 0
VODI 7 50 15 193 289 14 0 0
ODI 0 0 0 35 257 319 2 4
CDI 0 0 0 4 144 1259 648 45
VCDI 0 0 0 0 0 323 3595 2855

Date: 2021-10-28:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 92277 5659 63 220 43 0 0 0
OW 95 337 6 154 140 1 0 0
VODI 4 89 12 213 231 16 0 0
ODI 0 2 0 68 314 215 7 0
CDI 0 0 0 3 188 1038 1487 51
VCDI 0 0 0 0 13 138 2292 3724

Date: 2021-10-30:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 91699 5844 50 140 25 0 0 0
OW 16 674 18 215 86 0 0 0
VODI 0 96 16 193 348 25 0 0
ODI 0 0 2 64 400 251 5 0
CDI 0 0 0 9 173 887 1263 2
VCDI 0 0 0 0 0 168 3292 3139

Date: 2021-11-01:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 89719 7729 33 67 11 0 0 0
OW 55 661 28 195 54 2 0 0
VODI 0 122 20 276 286 10 0 0
ODI 0 4 6 128 517 132 0 0
CDI 0 0 0 15 174 1179 980 16
VCDI 0 0 0 0 0 294 5006 1381

Date: 2021-11-03:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 89933 6596 41 142 10 0 0 0
OW 67 1028 35 278 27 0 0 0
VODI 6 75 21 299 337 2 0 0
ODI 0 6 9 168 601 172 0 0
CDI 0 0 0 10 269 1299 267 7
VCDI 0 0 0 0 0 1712 4785 898

Date: 2021-11-05:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 88707 7435 38 69 2 0 0 0
OW 98 1072 37 170 17 0 0 0
VODI 5 292 45 438 232 3 0 0
ODI 0 13 4 167 538 142 0 0
CDI 0 0 0 60 418 1144 373 0
VCDI 0 0 0 0 5 685 5788 1103


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