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: 2019-04-25

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2019-04-19:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70748 13738 119 470 103 0 0 0
OW 6 497 21 147 79 3 0 0
VODI 0 849 71 457 284 31 5 10
ODI 0 304 72 843 1237 315 36 48
CDI 0 37 16 321 2125 5326 2701 590
VCDI 0 0 0 7 208 3070 24031 58123

Date: 2019-04-21:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 71265 13300 112 347 69 4 0 0
OW 0 528 32 188 39 10 0 0
VODI 0 959 74 492 251 31 8 5
ODI 0 399 79 945 1101 135 8 33
CDI 0 11 13 213 2170 5507 2430 144
VCDI 0 0 1 17 97 3715 26207 56109

Date: 2019-04-23:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 71781 12406 94 259 57 8 0 0
OW 0 896 47 209 79 2 1 0
VODI 0 886 90 617 329 22 6 9
ODI 0 292 74 909 1149 188 24 26
CDI 0 8 2 229 2158 5350 2078 255
VCDI 0 0 0 1 323 4717 31619 49848

Date: 2019-04-25:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 71426 12901 105 339 60 0 0 0
OW 18 655 34 162 87 1 0 0
VODI 0 821 85 517 381 42 2 5
ODI 0 274 62 772 1215 258 68 8
CDI 0 19 4 154 2356 6335 3014 137
VCDI 0 0 0 0 255 5298 33725 45453

Date: 2019-04-27:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 71237 13160 107 362 82 0 0 0
OW 0 539 36 143 80 2 0 0
VODI 0 670 90 582 371 42 3 1
ODI 0 281 57 762 1327 293 44 4
CDI 0 37 7 146 2289 6404 3481 103
VCDI 0 2 0 1 58 3684 31189 49372

Date: 2019-04-29:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 71037 13510 120 416 109 1 0 0
OW 0 495 31 165 57 4 0 0
VODI 0 719 104 697 366 64 3 0
ODI 0 279 53 896 1355 301 20 2
CDI 0 20 4 255 2461 6658 2607 93
VCDI 0 0 0 1 116 3891 30399 49739

Date: 2019-05-01:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70972 13513 130 385 59 0 0 0
OW 16 720 42 272 72 1 0 0
VODI 3 779 110 830 393 21 0 0
ODI 0 192 51 973 1218 211 9 0
CDI 0 6 4 240 2691 6330 1704 89
VCDI 0 0 0 6 274 7070 39292 38370

Date: 2019-05-03:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70272 14509 147 579 125 4 0 0
OW 0 573 43 298 81 5 4 0
VODI 0 750 90 690 368 30 8 0
ODI 0 201 56 936 1131 197 38 7
CDI 0 15 4 356 2991 6897 3051 124
VCDI 0 0 0 0 199 6116 40171 35982


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