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: 2021-11-11

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

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 97042 13750 116 383 61 4 0 0
OW 209 2729 99 568 371 72 0 0
VODI 26 894 93 1366 1310 276 33 0
ODI 0 168 32 485 1653 934 74 0
CDI 0 43 7 144 1150 6878 2081 10
VCDI 0 1 0 7 153 4797 22090 26939

Date: 2021-11-07:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 94666 13899 98 541 44 1 0 0
OW 349 2659 125 893 373 22 0 0
VODI 126 1126 107 1359 1777 164 21 0
ODI 0 88 19 513 2100 830 219 0
CDI 0 4 1 63 1091 6205 2723 1
VCDI 0 0 0 0 52 3434 21755 29600

Date: 2021-11-09:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 94777 12415 92 420 194 9 0 0
OW 657 2197 75 580 390 76 0 0
VODI 183 1102 107 1249 1515 467 19 0
ODI 5 87 24 470 2346 1545 158 0
CDI 0 6 0 53 882 4983 3447 105
VCDI 0 0 0 0 18 1746 18285 36364

Date: 2021-11-11:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 92893 12967 92 434 144 5 0 0
OW 712 2548 69 527 254 17 0 0
VODI 45 1436 108 1126 1414 346 2 0
ODI 0 130 40 554 2499 1533 53 0
CDI 0 16 8 119 952 4282 3646 226
VCDI 0 0 0 1 25 1644 17715 38466

Date: 2021-11-13:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 91451 12151 63 392 214 8 0 0
OW 750 2641 45 374 244 29 0 0
VODI 114 1515 149 970 1265 527 12 0
ODI 0 238 37 613 1828 2683 26 2
CDI 0 11 3 76 889 4961 2657 704
VCDI 0 0 0 0 0 1467 18470 39469

Date: 2021-11-15:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 90839 11981 53 335 126 25 0 0
OW 436 2365 71 396 320 92 1 0
VODI 10 1481 148 964 1063 427 33 0
ODI 0 251 48 615 1655 2205 190 0
CDI 0 20 7 108 752 4939 3372 43
VCDI 0 0 0 8 35 1193 19881 40560

Date: 2021-11-17:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 90504 11753 44 218 234 49 0 0
OW 284 1989 64 549 398 113 17 0
VODI 97 1200 94 806 1054 535 50 0
ODI 9 338 39 442 1482 1545 259 0
CDI 0 57 10 144 602 3969 3544 537
VCDI 0 0 2 24 139 1512 16187 46155

Date: 2021-11-19:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 89861 12152 56 113 24 215 37 0
OW 47 2095 62 352 180 212 75 0
VODI 1 1128 94 787 725 847 98 0
ODI 0 287 42 425 1237 1989 218 1
CDI 0 100 12 170 511 3561 2957 170
VCDI 0 5 3 46 142 1028 13646 51337


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