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: 2023-08-03

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2023-07-28:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 88077 8257 477 547 0 0 0 0
OW 0 67 102 542 12 0 0 0
VODI 0 0 10 931 841 16 0 0
ODI 0 0 0 30 563 722 14 0
CDI 0 0 0 0 53 4114 2265 48
VCDI 0 0 0 0 1 319 1047 45

Date: 2023-07-30:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 86841 9658 569 488 0 0 0 0
OW 0 91 71 371 11 0 0 0
VODI 0 0 11 1053 806 17 0 0
ODI 0 0 0 21 474 383 105 0
CDI 0 0 0 0 79 3027 2717 277
VCDI 0 0 0 0 0 14 1000 1016

Date: 2023-08-01:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 88783 8215 461 157 0 0 0 0
OW 0 119 119 355 0 0 0 0
VODI 0 7 23 1050 735 11 1 0
ODI 0 0 0 10 545 500 124 0
CDI 0 0 0 0 33 3292 1754 170
VCDI 0 0 0 0 0 57 926 1653

Date: 2023-08-03:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 89531 7761 257 187 0 0 0 0
OW 0 116 95 391 2 0 0 0
VODI 0 3 31 1094 663 11 0 0
ODI 0 0 0 17 656 585 125 0
CDI 0 0 0 2 32 4019 1074 88
VCDI 0 0 0 0 0 148 1132 1080

Date: 2023-08-05:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 90079 7331 303 283 0 0 0 0
OW 0 123 89 394 4 0 0 0
VODI 0 3 35 996 916 47 0 0
ODI 0 0 0 13 405 930 94 0
CDI 0 0 0 0 8 3568 742 104
VCDI 0 0 0 0 0 44 1444 1145

Date: 2023-08-07:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 93172 4678 174 142 0 0 0 0
OW 0 211 146 315 0 0 0 0
VODI 0 21 27 1054 813 93 0 0
ODI 0 0 0 9 880 657 10 0
CDI 0 0 0 0 265 2539 732 3
VCDI 0 0 0 0 1 639 2481 38

Date: 2023-08-09:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 92071 5757 315 110 0 0 0 0
OW 0 136 144 304 0 0 0 0
VODI 0 21 26 1079 397 64 0 0
ODI 0 0 0 16 1042 1030 20 0
CDI 0 0 0 0 160 2446 853 61
VCDI 0 0 0 0 0 136 2298 614

Date: 2023-08-11:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 93455 4757 120 49 0 0 0 0
OW 0 221 151 249 0 0 0 0
VODI 0 27 33 1105 292 4 0 0
ODI 0 0 0 35 1205 1173 91 0
CDI 0 0 0 0 206 2642 492 25
VCDI 0 0 0 0 0 201 2216 351


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