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: 2021-08-05

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2021-07-30:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 109714 19175 245 1573 684 75 0 0
OW 133 652 52 437 236 30 0 0
VODI 90 1149 128 1953 1152 73 0 0
ODI 7 295 48 1342 7298 2230 17 0
CDI 0 9 3 41 2493 20724 6839 337
VCDI 0 0 0 0 2 1291 5394 1127

Date: 2021-08-01:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 109375 20436 239 1654 639 17 0 0
OW 49 665 39 454 239 16 0 0
VODI 45 1176 136 2194 1036 48 0 0
ODI 5 253 46 1516 8314 1623 9 0
CDI 0 3 1 42 2550 18893 5159 141
VCDI 0 0 0 0 15 1071 8074 876

Date: 2021-08-03:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 111042 19782 272 1532 760 21 0 0
OW 21 747 55 531 236 11 0 0
VODI 16 1145 129 1911 1366 93 0 0
ODI 1 230 43 1453 6303 3040 3 0
CDI 0 10 4 30 1879 20159 4461 7
VCDI 0 0 0 0 0 1316 8110 329

Date: 2021-08-05:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 112138 19883 270 1894 599 17 0 0
OW 29 665 44 512 208 10 0 0
VODI 16 1178 123 2084 972 53 0 0
ODI 0 232 50 1581 7547 1104 5 4
CDI 0 15 1 34 2019 20345 5211 451
VCDI 0 0 0 0 21 1617 5253 863

Date: 2021-08-07:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 113729 19274 268 1956 565 34 0 0
OW 30 655 43 500 201 10 0 0
VODI 20 1153 110 2046 1029 35 0 0
ODI 0 308 75 1476 8062 954 11 0
CDI 0 10 1 24 2681 20496 3618 87
VCDI 0 0 0 0 0 2735 4256 596

Date: 2021-08-09:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 112617 21181 268 1896 608 7 0 0
OW 23 657 59 414 144 5 0 0
VODI 15 1186 132 2151 809 18 1 0
ODI 0 365 52 1521 9262 750 19 0
CDI 0 4 4 26 3221 19547 3595 0
VCDI 0 0 0 0 2 373 5219 897

Date: 2021-08-11:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 114211 19758 282 1894 722 37 0 0
OW 4 679 38 407 189 21 0 0
VODI 0 1112 115 2157 974 39 6 0
ODI 0 330 60 1348 8994 2369 26 0
CDI 0 2 2 36 1845 17331 6051 39
VCDI 0 0 0 0 6 393 5105 466

Date: 2021-08-13:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 114770 20104 261 1543 689 51 0 0
OW 68 616 38 353 155 7 0 0
VODI 53 1246 137 2055 1011 32 0 0
ODI 13 357 56 1345 9058 1922 1 0
CDI 0 4 8 34 1080 18706 3922 0
VCDI 0 0 0 0 6 2402 4720 225


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