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: 2022-06-30

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2022-06-24:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 83837 18131 250 1534 471 121 54 0
OW 32 985 67 488 213 47 20 0
VODI 70 1641 153 1707 947 183 40 4
ODI 24 752 124 2224 5737 1496 86 4
CDI 0 32 11 357 8022 16146 6806 235
VCDI 0 0 0 0 96 2791 17923 13187

Date: 2022-06-26:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 84710 18605 253 1498 562 75 51 0
OW 50 883 50 479 270 59 10 0
VODI 74 1734 146 1558 1086 185 24 0
ODI 1 798 118 2335 7221 1080 56 0
CDI 0 18 8 375 11405 15683 5033 13
VCDI 0 0 0 0 45 2835 21025 6637

Date: 2022-06-28:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 83452 20773 283 1669 589 92 2 0
OW 0 1002 69 461 282 43 0 0
VODI 0 1709 129 1626 1303 89 0 0
ODI 0 626 104 2297 12581 1115 5 0
CDI 0 10 7 277 8569 18180 3428 16
VCDI 0 0 0 2 127 5880 18705 1546

Date: 2022-06-30:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 85765 19599 248 1748 688 71 0 0
OW 36 826 50 453 339 24 0 0
VODI 17 1536 126 1764 1596 85 0 0
ODI 2 548 106 2157 11939 3697 18 0
CDI 0 9 6 274 6005 19589 4945 66
VCDI 0 0 0 0 80 6907 14328 1401

Date: 2022-07-02:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 87473 19226 238 1761 605 44 0 0
OW 10 885 41 455 280 17 0 0
VODI 14 1635 183 2107 1157 69 0 0
ODI 6 494 100 2616 8462 5758 10 0
CDI 0 1 0 178 4702 23604 6636 274
VCDI 0 1 0 4 213 5434 11461 894

Date: 2022-07-04:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 86183 21646 264 1915 669 69 0 0
OW 20 914 56 496 285 21 0 0
VODI 16 1806 210 2081 1194 54 1 0
ODI 0 520 101 2288 8222 3615 2 0
CDI 0 10 1 156 4443 29423 5485 5
VCDI 0 0 0 2 52 2932 11418 473

Date: 2022-07-06:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 89803 19879 223 1719 724 24 0 0
OW 19 953 57 466 276 14 0 0
VODI 8 1880 192 2116 1025 54 0 0
ODI 0 461 94 2286 7820 2467 1 0
CDI 0 14 1 129 5717 30537 3614 0
VCDI 0 0 0 5 39 5662 8644 125

Date: 2022-07-08:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 89167 21375 272 1905 814 31 0 0
OW 7 910 73 508 282 20 0 0
VODI 3 1752 183 2013 1047 62 0 0
ODI 0 448 90 2196 8627 1835 14 0
CDI 0 48 2 227 4683 34926 2036 0
VCDI 0 0 0 1 36 5184 6228 43


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