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: 2021-05-20

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2021-05-14:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72559 14144 147 763 111 0 0 0
OW 0 302 14 138 66 2 0 0
VODI 0 526 53 399 258 3 4 0
ODI 0 365 52 704 1180 172 34 0
CDI 0 14 4 210 1980 3732 601 2
VCDI 0 0 0 0 14 1918 5590 3039

Date: 2021-05-16:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 73331 13385 130 605 132 0 0 0
OW 0 328 20 144 87 4 0 0
VODI 0 497 45 512 295 20 0 0
ODI 0 359 47 759 1598 309 6 2
CDI 0 16 2 107 1533 3791 725 2
VCDI 0 0 0 0 26 1151 4231 4901

Date: 2021-05-18:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72654 14136 139 680 122 1 0 0
OW 0 316 28 137 94 2 0 0
VODI 0 518 45 522 297 15 0 0
ODI 0 316 46 731 1997 287 22 0
CDI 0 24 3 99 1554 3861 990 0
VCDI 0 0 0 0 34 971 5620 2839

Date: 2021-05-20:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 73074 13916 139 600 106 1 0 0
OW 0 303 35 176 67 6 0 0
VODI 0 503 38 573 284 25 1 0
ODI 0 308 44 823 2138 406 22 0
CDI 0 0 0 72 1364 3629 1418 183
VCDI 0 0 0 0 1 364 3517 4964

Date: 2021-05-22:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72388 14774 146 598 76 0 0 0
OW 0 272 24 247 49 0 0 0
VODI 0 598 51 523 237 19 0 0
ODI 0 330 51 825 2164 376 6 0
CDI 0 2 0 80 1512 3659 970 1
VCDI 0 0 0 0 1 516 5642 2963

Date: 2021-05-24:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72722 14453 131 570 69 0 0 0
OW 0 337 27 198 57 0 0 0
VODI 0 760 56 571 278 14 5 1
ODI 0 382 54 830 2301 203 17 1
CDI 0 5 4 138 1400 3890 501 3
VCDI 0 0 0 0 9 714 4579 3820

Date: 2021-05-26:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 73394 13687 112 438 158 19 0 0
OW 21 480 17 190 52 5 0 0
VODI 0 888 63 678 333 14 23 1
ODI 0 357 50 1088 2194 182 32 2
CDI 0 7 2 178 1778 3298 403 7
VCDI 0 0 0 0 30 2437 2909 3573

Date: 2021-05-28:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 75590 12023 115 387 83 1 0 0
OW 0 466 27 195 44 1 0 0
VODI 0 879 73 842 292 14 11 1
ODI 0 334 47 1284 2072 164 25 3
CDI 0 0 1 133 1684 3335 1041 10
VCDI 0 0 0 0 3 1695 2709 3516


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