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: 2021-02-18

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2021-02-12:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70222 11893 86 209 78 28 10 0
OW 232 1715 48 217 40 7 4 0
VODI 22 834 94 698 496 51 10 2
ODI 0 239 71 584 869 420 42 61
CDI 0 23 9 221 1128 2768 2560 520
VCDI 0 13 3 89 280 2088 23013 65051

Date: 2021-02-14:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70079 12358 61 163 46 21 15 0
OW 202 1261 35 153 47 5 3 0
VODI 18 855 123 672 423 22 7 3
ODI 0 216 59 695 907 360 64 8
CDI 0 7 5 199 1521 2713 2370 421
VCDI 0 0 0 10 161 1949 18444 70367

Date: 2021-02-16:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70038 12551 74 220 32 10 0 0
OW 139 1078 37 139 38 6 0 0
VODI 34 840 109 662 387 23 0 6
ODI 0 209 67 728 963 314 25 11
CDI 0 13 8 228 1697 3247 1413 109
VCDI 0 0 0 9 132 2165 19443 69844

Date: 2021-02-18:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70436 12690 58 155 54 13 2 0
OW 168 843 40 124 20 3 2 0
VODI 54 966 102 543 258 20 7 4
ODI 0 308 76 592 872 197 43 17
CDI 0 72 23 510 1758 3259 1427 105
VCDI 0 7 1 28 133 2278 17683 71097

Date: 2021-02-20:

Best estimate
...observations not yet available

Date: 2021-02-22:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70034 13366 71 195 53 2 0 0
OW 96 751 53 181 36 10 0 0
VODI 40 798 72 546 412 51 7 1
ODI 5 348 72 493 1071 289 39 18
CDI 0 107 39 529 2062 3266 1543 208
VCDI 0 1 1 131 3610 3213 16802 66426

Date: 2021-02-24:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70317 13517 82 248 55 7 0 0
OW 59 897 44 180 46 5 3 0
VODI 39 1007 74 357 215 30 23 0
ODI 4 488 105 863 672 225 75 4
CDI 0 59 21 501 1721 3228 1567 156
VCDI 0 0 0 10 157 2114 14589 73284

Date: 2021-02-26:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70822 12304 53 167 53 12 0 0
OW 45 1601 59 296 57 10 0 0
VODI 44 1106 80 542 177 26 0 0
ODI 3 495 101 838 710 202 10 8
CDI 0 67 18 333 1941 3111 2040 116
VCDI 0 1 0 17 146 2067 16309 71061


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