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: 2021-07-29

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2021-07-23:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 105158 19787 219 1237 713 57 0 0
OW 39 777 56 432 217 29 0 0
VODI 21 1735 151 1900 1002 68 3 0
ODI 0 423 47 1149 9687 3044 1 0
CDI 0 17 3 53 2129 28655 4292 1
VCDI 0 0 0 0 21 1554 2323 48

Date: 2021-07-25:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 106254 19647 260 1535 652 24 0 0
OW 47 840 44 421 223 18 0 0
VODI 134 1598 143 1772 1086 58 1 0
ODI 0 358 53 1041 9912 2240 5 0
CDI 0 10 5 45 2307 24463 7096 333
VCDI 0 0 0 4 37 673 3005 704

Date: 2021-07-27:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 108698 18318 227 1501 655 12 0 0
OW 161 780 44 452 241 14 0 0
VODI 232 1335 132 1869 1115 46 0 0
ODI 17 296 39 1351 8857 1672 28 0
CDI 0 10 5 45 2650 23127 7943 7
VCDI 0 0 0 2 10 603 4541 13

Date: 2021-07-29:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 110505 17788 245 1533 617 64 0 0
OW 161 761 48 403 270 37 0 0
VODI 144 1132 133 1915 1212 121 1 0
ODI 7 278 37 1282 6556 2736 20 0
CDI 0 4 3 45 2069 21200 8419 837
VCDI 0 0 0 0 3 1338 4564 560

Date: 2021-07-31:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 111683 17820 245 1459 689 69 0 0
OW 105 600 52 428 212 40 0 0
VODI 60 1133 118 1984 1100 59 0 0
ODI 5 264 43 1400 8243 1793 8 0
CDI 0 10 4 32 2516 19386 6442 16
VCDI 0 0 0 0 0 1389 7227 414

Date: 2021-08-02:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 111129 19234 243 1557 546 25 0 0
OW 22 809 46 528 228 20 0 0
VODI 17 1197 145 2259 1069 38 0 0
ODI 1 265 46 1739 8314 1402 10 0
CDI 0 6 2 29 2020 18198 5121 133
VCDI 0 0 0 0 0 615 8023 2012

Date: 2021-08-04:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 112487 19066 253 1772 534 24 0 0
OW 18 701 49 519 193 12 0 0
VODI 19 1139 136 2050 1104 39 0 0
ODI 0 246 44 1527 6736 2127 0 0
CDI 0 12 2 31 1881 19878 5297 701
VCDI 0 0 0 0 3 1004 6236 1208

Date: 2021-08-06:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 114415 18189 265 1904 536 35 0 0
OW 28 666 49 473 187 18 0 0
VODI 12 1224 116 2149 891 61 1 0
ODI 0 266 56 1542 7822 955 17 0
CDI 0 10 2 30 2768 19303 4473 14
VCDI 0 0 0 0 1 2870 5609 91


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