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: 2020-08-06

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2020-07-31:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 112238 21581 260 1758 586 7 0 0
OW 94 664 36 306 253 1 0 0
VODI 105 1183 64 854 1039 22 0 0
ODI 3 303 37 1188 13923 1908 0 0
CDI 0 3 0 33 2442 24222 1843 0
VCDI 0 0 0 0 6 29 57 0

Date: 2020-08-02:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 116261 18357 252 1750 591 0 0 0
OW 56 595 33 292 228 2 0 0
VODI 64 1018 69 1209 1023 28 0 0
ODI 1 203 32 1296 12548 2294 0 0
CDI 0 4 1 15 2322 23248 3032 131
VCDI 0 0 0 0 0 69 24 0

Date: 2020-08-04:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 114848 20450 263 1765 684 3 0 0
OW 44 600 31 302 181 3 0 0
VODI 50 862 60 1788 1149 18 0 0
ODI 1 171 22 1717 11439 1604 5 0
CDI 0 3 0 13 3086 20778 3617 11
VCDI 0 0 0 0 0 106 1322 52

Date: 2020-08-06:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 117309 19131 251 1737 529 28 0 0
OW 143 411 27 272 149 10 0 0
VODI 119 880 76 2438 1204 40 0 0
ODI 7 105 16 1537 10876 1861 0 0
CDI 0 0 0 13 3263 18595 2330 0
VCDI 0 0 0 0 0 627 3041 23

Date: 2020-08-08:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 121113 16415 208 1579 537 3 0 0
OW 71 496 20 268 194 2 0 0
VODI 31 982 78 3330 1140 28 0 0
ODI 3 117 21 1488 10267 1976 66 0
CDI 0 1 0 27 2668 15822 3628 0
VCDI 0 0 0 0 14 835 3620 0

Date: 2020-08-10:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 120704 17479 252 1680 496 11 0 0
OW 37 542 29 332 157 5 0 0
VODI 22 944 90 4245 799 13 0 0
ODI 3 139 24 1780 10893 1178 2 0
CDI 0 0 0 27 1590 13760 3322 0
VCDI 0 0 0 0 3 1258 4938 294

Date: 2020-08-12:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 118639 20157 238 1500 501 11 0 0
OW 27 531 31 285 159 8 0 0
VODI 17 1406 150 4398 913 43 4 0
ODI 4 194 33 2363 9968 1224 83 0
CDI 0 2 0 17 2284 9639 4025 0
VCDI 0 0 0 0 10 2405 5420 359

Date: 2020-08-14:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 123021 16619 199 1282 490 30 0 0
OW 22 591 32 272 133 13 0 0
VODI 20 2086 184 4200 1076 42 1 0
ODI 0 220 37 2052 9198 1400 35 0
CDI 0 1 1 22 1826 9566 4132 0
VCDI 0 0 0 0 9 1806 5782 648


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