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: 2021-06-10

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2021-06-04:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 77205 13485 257 1582 500 18 0 0
OW 0 752 65 607 312 9 0 0
VODI 0 1470 137 2322 956 52 9 0
ODI 0 789 74 1592 4953 819 26 4
CDI 0 90 16 379 5252 13007 6814 27
VCDI 0 20 3 58 105 3613 32464 17205

Date: 2021-06-06:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 77127 14479 278 1895 569 8 0 0
OW 0 688 57 639 303 11 1 0
VODI 0 1382 161 2265 914 53 9 0
ODI 0 681 61 1470 5160 965 62 11
CDI 0 145 14 482 5864 13735 5949 105
VCDI 0 1 0 2 79 5457 33102 12864

Date: 2021-06-08:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 78997 13629 291 1970 645 11 0 0
OW 0 738 49 651 327 18 0 0
VODI 0 1605 158 1979 912 73 3 0
ODI 0 657 55 1509 5924 1182 15 0
CDI 0 189 22 492 4906 15129 5616 1
VCDI 0 0 0 3 87 3901 27159 18145

Date: 2021-06-10:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 79674 14194 328 2022 624 82 0 0
OW 0 974 78 567 265 40 0 0
VODI 0 1898 147 1528 850 117 6 1
ODI 0 741 93 1457 5018 2635 31 5
CDI 0 226 19 462 4508 14438 6305 47
VCDI 0 4 0 3 29 2758 22349 22525

Date: 2021-06-12:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 80113 14983 360 2060 652 59 1 0
OW 0 938 80 540 278 41 0 0
VODI 0 1663 136 1392 778 102 19 0
ODI 0 841 83 1649 5302 2288 60 3
CDI 0 190 10 368 4633 13666 6567 23
VCDI 0 2 0 1 18 3234 18278 25637

Date: 2021-06-14:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 80357 15964 331 2013 681 100 1 0
OW 0 1000 73 568 257 27 2 0
VODI 0 1573 130 1439 854 80 17 0
ODI 0 860 86 1832 5612 1435 24 0
CDI 0 161 10 270 4455 14959 4915 44
VCDI 0 0 0 0 43 1669 20986 24220

Date: 2021-06-16:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 81288 16112 348 2034 810 64 0 0
OW 1 1056 67 552 267 30 0 0
VODI 2 1614 120 1475 798 60 1 0
ODI 0 1026 86 1951 5746 1542 26 0
CDI 0 106 9 402 4678 14229 3726 0
VCDI 0 0 0 0 356 10432 21007 15027

Date: 2021-06-18:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 82117 16320 327 2128 669 38 0 0
OW 0 866 45 550 245 16 0 0
VODI 0 1557 115 1441 826 27 2 0
ODI 0 1087 95 2284 6579 1485 24 0
CDI 0 44 9 357 5477 20966 4471 19
VCDI 0 0 0 0 464 9622 10424 16352


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