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: 2021-09-09

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2021-09-03:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 123885 15610 164 874 298 120 14 0
OW 54 1018 37 397 167 65 15 0
VODI 56 2373 228 3690 1275 83 15 0
ODI 7 270 41 1784 6816 3548 14 0
CDI 0 0 0 33 1431 16533 1038 0
VCDI 0 0 0 0 18 635 4345 97

Date: 2021-09-05:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 122896 17410 147 673 228 40 0 0
OW 57 1054 59 418 112 37 0 0
VODI 96 2758 237 3386 1101 78 0 0
ODI 8 301 52 1804 5194 2929 1 0
CDI 0 0 1 23 1425 19346 1071 0
VCDI 0 0 0 0 1 2285 1820 0

Date: 2021-09-07:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 125415 15383 176 748 200 76 0 0
OW 62 1055 49 422 125 32 0 0
VODI 95 2750 233 3222 1366 100 0 0
ODI 0 323 74 1429 4142 2285 2 0
CDI 0 13 0 21 1073 18624 4117 0
VCDI 0 0 0 0 0 962 2474 0

Date: 2021-09-09:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 124342 17226 180 717 183 71 0 0
OW 51 1021 41 318 79 30 0 0
VODI 71 3114 214 3054 1137 78 0 0
ODI 0 367 69 1336 3654 1756 0 0
CDI 0 7 1 43 840 12767 7162 222
VCDI 0 0 0 0 6 1104 4991 796

Date: 2021-09-11:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 125289 16697 144 558 177 57 0 0
OW 55 1132 56 333 84 49 0 0
VODI 53 3086 211 2631 1172 68 2 0
ODI 0 384 61 1163 3157 1665 34 0
CDI 0 11 1 46 737 10223 6487 162
VCDI 0 0 0 0 9 1370 6772 2912

Date: 2021-09-13:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 122528 19608 204 751 184 68 0 0
OW 27 1046 59 417 154 22 0 0
VODI 13 2515 210 2818 1006 50 17 0
ODI 0 291 49 1064 3054 889 26 0
CDI 0 8 3 26 607 8702 6665 34
VCDI 0 0 0 0 1 581 8705 4646

Date: 2021-09-15:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 123317 18711 200 846 187 70 0 0
OW 21 1005 53 454 165 23 1 0
VODI 9 2269 171 2306 1444 68 4 0
ODI 0 277 48 940 2527 1052 62 0
CDI 0 5 3 59 747 8167 4858 55
VCDI 0 0 0 0 2 2244 8656 6022

Date: 2021-09-17:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 123666 18147 193 831 228 14 0 0
OW 28 1108 58 403 196 52 0 0
VODI 7 2215 155 2489 1064 101 4 0
ODI 2 264 49 1032 2271 1121 24 0
CDI 0 4 1 61 754 8202 4966 80
VCDI 0 0 0 0 0 1949 10310 4999


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