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: 2022-04-28

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2022-04-22:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 69170 13679 104 465 152 1 0 0
OW 0 502 36 231 66 2 0 0
VODI 0 447 61 494 276 24 1 0
ODI 0 202 28 531 1084 171 11 15
CDI 0 53 12 304 2086 4837 1666 231
VCDI 0 0 0 0 100 3105 27136 59765

Date: 2022-04-24:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 69026 13736 98 443 136 4 0 0
OW 0 457 33 200 71 6 0 0
VODI 0 487 62 532 231 13 0 0
ODI 0 292 46 660 1134 132 24 7
CDI 0 42 8 319 1843 4735 1923 220
VCDI 0 0 0 0 33 1768 24816 63511

Date: 2022-04-26:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68153 13995 104 498 116 4 0 0
OW 1 551 33 306 78 5 0 0
VODI 5 533 51 549 399 21 0 0
ODI 0 273 48 540 1377 152 12 4
CDI 0 72 18 302 2014 5342 1859 42
VCDI 0 0 0 4 126 1949 27778 59734

Date: 2022-04-28:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68182 13318 73 352 135 3 0 0
OW 42 1117 47 184 73 5 0 0
VODI 0 647 57 574 315 18 1 0
ODI 0 298 59 799 1445 213 30 7
CDI 0 39 11 265 2211 6238 1553 158
VCDI 0 44 7 38 260 5771 26835 55624

Date: 2022-04-30:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68266 13342 91 387 85 0 0 0
OW 6 765 36 207 75 1 0 0
VODI 0 716 93 659 441 13 1 0
ODI 0 305 46 876 1761 327 22 18
CDI 0 21 10 218 2583 6796 2007 101
VCDI 0 34 5 31 408 6236 26038 54021

Date: 2022-05-02:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68654 13330 73 268 56 0 0 0
OW 10 774 48 204 84 0 1 0
VODI 0 671 71 692 385 41 7 5
ODI 0 302 37 826 1688 224 50 11
CDI 0 13 10 189 2883 8043 1612 75
VCDI 0 20 5 66 301 4743 28372 52204

Date: 2022-05-04:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68152 13707 76 278 27 0 0 0
OW 5 713 45 241 72 3 0 0
VODI 0 680 76 673 350 34 11 18
ODI 0 277 41 775 1800 365 36 10
CDI 0 18 9 229 2691 9131 2870 67
VCDI 0 0 0 17 296 3629 27694 51932

Date: 2022-05-06:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68519 13581 81 295 89 0 0 0
OW 0 698 42 204 122 11 0 0
VODI 0 751 69 564 296 56 7 6
ODI 0 336 53 828 1692 580 61 17
CDI 0 10 10 224 2712 10093 3130 95
VCDI 0 0 1 8 291 3184 27023 51309


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