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: 2020-04-16

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2020-04-10:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68632 13423 48 158 7 0 0 0
OW 7 722 26 131 29 1 0 0
VODI 0 1202 70 391 151 35 0 0
ODI 0 513 76 895 775 90 6 1
CDI 0 159 37 400 1866 3894 1716 57
VCDI 0 7 3 58 661 3986 28180 58635

Date: 2020-04-12:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68555 13363 55 238 24 0 0 0
OW 3 808 32 125 39 2 0 0
VODI 0 1316 73 417 160 26 0 0
ODI 0 480 75 726 798 129 13 3
CDI 0 131 32 383 1837 4251 1601 93
VCDI 0 14 6 69 515 3890 27384 59382

Date: 2020-04-14:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68571 13442 64 219 20 0 0 0
OW 0 832 42 130 29 0 0 0
VODI 0 1044 88 435 242 18 0 0
ODI 0 390 79 791 965 181 8 0
CDI 0 129 31 458 2304 5089 1385 125
VCDI 0 0 0 4 80 2976 24378 62499

Date: 2020-04-16:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68750 13639 57 242 29 0 0 0
OW 7 740 38 159 66 0 0 0
VODI 3 1028 90 492 280 26 0 0
ODI 3 502 93 991 1186 215 13 10
CDI 0 157 51 586 2369 3959 1059 37
VCDI 0 0 0 27 348 3498 27183 59115

Date: 2020-04-18:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 69949 12732 56 147 31 0 0 0
OW 35 716 31 170 40 0 0 0
VODI 4 905 80 501 352 48 0 1
ODI 0 586 105 1258 1279 200 25 6
CDI 0 101 26 467 2842 4218 1054 24
VCDI 0 0 0 0 176 3675 27267 57941

Date: 2020-04-20:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 69995 12570 40 171 55 0 0 0
OW 0 639 32 260 72 2 0 0
VODI 0 1043 106 781 299 25 1 0
ODI 0 616 91 1471 1494 265 17 2
CDI 0 52 28 409 2621 5775 1703 111
VCDI 0 0 0 3 58 2851 25063 58327

Date: 2020-04-22:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 69616 13182 74 193 15 0 0 0
OW 0 643 37 264 60 2 0 0
VODI 0 922 99 910 348 19 9 0
ODI 0 527 85 1563 1587 234 18 1
CDI 0 53 23 385 2547 6327 2328 107
VCDI 0 0 0 2 95 3076 23588 58109

Date: 2020-04-24:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 69682 13350 71 193 26 0 0 0
OW 0 738 38 219 80 0 0 0
VODI 0 1039 114 916 348 18 4 0
ODI 0 478 100 1538 1742 262 55 2
CDI 0 114 28 432 2651 6106 2259 107
VCDI 0 3 3 54 345 4288 23180 56465


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