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: 2021-01-14

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2021-01-08:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 75922 11309 63 200 26 1 0 0
OW 12 1753 65 467 48 2 0 0
VODI 0 1454 96 929 742 140 3 0
ODI 0 757 105 995 1477 509 29 8
CDI 0 159 14 253 1239 5378 1136 127
VCDI 0 67 12 142 217 4219 24274 52699

Date: 2021-01-10:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 76149 11047 57 234 8 0 0 0
OW 0 1323 71 437 248 0 0 0
VODI 0 1321 68 778 1032 103 1 0
ODI 0 900 96 908 1543 412 42 9
CDI 0 87 21 410 2065 5087 1108 247
VCDI 0 3 0 0 26 3058 23224 54925

Date: 2021-01-12:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 74843 11616 75 296 21 0 0 0
OW 0 1445 56 624 171 0 0 0
VODI 0 1386 101 1024 1052 48 3 0
ODI 0 575 85 1095 1415 504 45 5
CDI 0 43 16 271 1412 4858 2181 80
VCDI 0 0 0 54 331 2148 22902 56267

Date: 2021-01-14:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 74218 11795 64 269 28 0 0 0
OW 2 1153 63 544 230 0 0 0
VODI 0 1577 99 809 1448 243 3 0
ODI 0 580 86 1123 1098 691 102 2
CDI 0 41 11 257 1359 4942 3363 316
VCDI 0 21 3 83 262 2153 21875 56135

Date: 2021-01-16:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 73835 11999 55 201 31 0 0 0
OW 4 1339 56 371 119 0 0 0
VODI 0 1120 105 999 1292 247 0 1
ODI 0 365 91 1153 1780 856 48 13
CDI 0 18 3 190 1516 4731 2866 426
VCDI 0 0 0 2 109 4238 25163 51706

Date: 2021-01-18:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 74251 11311 51 130 4 0 0 0
OW 2 1551 67 371 80 0 0 0
VODI 0 1317 88 791 820 101 3 1
ODI 0 470 77 904 1796 1356 32 5
CDI 0 31 6 168 1581 5035 1840 164
VCDI 0 0 0 0 39 2818 24781 55006

Date: 2021-01-20:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 74439 11173 45 152 14 0 0 0
OW 112 1583 55 301 122 0 0 0
VODI 20 1460 86 621 664 61 14 1
ODI 0 363 58 783 1345 1322 25 4
CDI 0 43 19 237 1338 4613 1488 119
VCDI 0 0 0 1 134 3157 23396 57680

Date: 2021-01-22:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 73085 12373 70 212 41 1 0 0
OW 81 1439 59 376 147 4 0 0
VODI 0 1242 79 758 709 110 2 1
ODI 0 280 46 627 1054 1032 14 7
CDI 0 74 30 293 1204 3790 3167 321
VCDI 0 0 3 44 213 2240 20294 61526


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