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

Validation of sea ice concentration - Full domain

Reference date: 2021-04-08

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2021-04-02:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68152 13075 94 367 143 5 0 0
OW 9 1311 52 382 93 9 0 0
VODI 0 1044 72 493 471 68 0 0
ODI 0 660 84 1108 1362 405 9 3
CDI 0 53 16 481 2283 4172 1477 149
VCDI 0 0 0 11 205 2424 20386 65920

Date: 2021-04-04:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 67762 13346 82 352 103 1 0 0
OW 163 1527 42 214 77 2 0 0
VODI 0 1357 90 580 403 55 2 0
ODI 0 821 94 1227 1282 327 18 0
CDI 0 49 14 577 2275 3838 1223 28
VCDI 0 0 0 23 219 2555 21162 65158

Date: 2021-04-06:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68489 13082 68 281 123 3 0 0
OW 153 1089 40 224 55 8 0 0
VODI 5 1388 94 702 415 48 1 0
ODI 0 949 113 1102 1145 288 9 4
CDI 0 26 9 469 2140 4214 1529 160
VCDI 0 0 0 13 209 2252 17237 68912

Date: 2021-04-08:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 69265 13363 69 292 129 4 0 0
OW 106 897 39 210 53 8 0 0
VODI 0 1644 78 621 250 30 1 1
ODI 0 952 140 1113 765 162 8 11
CDI 0 197 44 824 2436 4590 1020 226
VCDI 0 0 2 55 350 2297 16634 68162

Date: 2021-04-10:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 69874 13497 55 320 150 4 0 0
OW 0 883 43 138 101 8 0 0
VODI 0 2019 82 467 262 34 1 0
ODI 0 1051 129 995 834 138 2 2
CDI 0 254 41 660 2548 4619 1639 43
VCDI 0 9 10 62 377 3429 19984 62284

Date: 2021-04-12:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70455 13342 85 413 153 11 0 0
OW 19 1408 48 219 104 9 0 0
VODI 0 1655 74 483 276 23 6 0
ODI 0 850 107 846 873 149 63 0
CDI 0 213 39 716 2957 5245 1716 62
VCDI 0 3 0 33 220 4070 23760 56343

Date: 2021-04-14:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70070 13019 74 402 90 12 0 0
OW 0 1457 59 504 164 11 0 0
VODI 0 1485 92 667 432 45 6 0
ODI 0 546 94 971 1293 324 105 0
CDI 0 76 14 413 3142 5701 1974 153
VCDI 0 0 0 0 77 3876 21797 57903

Date: 2021-04-16:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70290 12921 74 234 55 6 0 0
OW 4 1071 42 442 124 8 0 0
VODI 0 1285 95 1174 563 53 7 1
ODI 0 462 93 1055 1281 296 59 6
CDI 0 35 14 306 2476 4973 2816 170
VCDI 0 0 0 27 272 3531 21629 59098


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