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: 2020-05-28

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2020-05-22:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 75955 13659 104 410 70 3 0 0
OW 0 803 65 374 96 7 1 0
VODI 0 1327 112 1142 467 41 15 1
ODI 0 692 94 1405 2017 149 62 0
CDI 0 293 54 1014 5275 9397 3356 65
VCDI 0 0 1 38 297 5469 40618 22100

Date: 2020-05-24:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 75880 14224 123 512 90 2 0 0
OW 0 758 45 378 111 11 0 0
VODI 0 1248 137 1297 577 44 8 0
ODI 0 668 72 1244 2284 296 30 5
CDI 0 281 53 977 5194 13043 2958 72
VCDI 0 0 0 2 316 8438 35524 20146

Date: 2020-05-26:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 76578 13967 132 606 131 7 0 0
OW 0 815 42 387 113 7 0 0
VODI 0 1172 125 1367 501 72 5 0
ODI 0 672 97 1472 2610 264 36 0
CDI 0 213 37 820 4855 13771 6591 217
VCDI 0 0 0 0 163 4008 29919 25276

Date: 2020-05-28:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 76506 14578 147 828 186 5 0 0
OW 0 726 51 404 151 11 1 0
VODI 0 1081 120 1164 533 87 9 0
ODI 0 629 107 1591 2629 339 27 2
CDI 0 269 41 796 5096 15769 4694 114
VCDI 0 0 0 0 99 4671 27410 26177

Date: 2020-05-30:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 77207 14557 176 780 157 3 0 0
OW 0 788 53 386 122 9 1 0
VODI 0 985 119 1173 529 87 2 1
ODI 0 693 97 1686 2831 452 53 5
CDI 0 228 40 785 5110 13033 5065 136
VCDI 0 1 0 1 71 4314 26743 28569

Date: 2020-06-01:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 76993 15279 194 947 186 10 0 0
OW 0 622 51 432 135 16 0 0
VODI 0 1006 121 1204 522 57 0 3
ODI 0 761 102 1859 3106 454 40 5
CDI 0 209 24 561 4536 11154 5707 16
VCDI 0 0 0 0 29 1082 23829 35796

Date: 2020-06-03:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 77272 15342 181 959 161 12 0 0
OW 0 740 57 431 132 12 0 0
VODI 0 1197 113 1214 597 73 9 4
ODI 0 739 107 1851 3505 645 45 11
CDI 0 215 18 523 4329 10871 5284 18
VCDI 0 0 0 0 57 2447 22898 34979

Date: 2020-06-05:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 77504 15930 168 1081 205 26 0 0
OW 0 761 47 506 164 19 0 0
VODI 0 1225 120 1233 673 77 7 6
ODI 0 813 129 1820 3390 511 33 23
CDI 0 173 24 687 4140 9585 6331 263
VCDI 0 0 0 6 75 2148 26764 30381


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