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: 2023-10-12

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2023-10-06:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 121397 18825 890 1149 47 0 0 0
OW 0 483 251 968 455 34 0 0
VODI 0 133 168 737 774 205 9 0
ODI 0 15 33 546 997 613 105 0
CDI 0 0 1 129 1162 2275 600 0
VCDI 0 0 0 4 81 3565 17732 12665

Date: 2023-10-08:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 120532 18262 916 1316 32 0 0 0
OW 3 429 186 897 514 10 0 0
VODI 0 145 122 935 880 99 0 0
ODI 0 2 15 527 1158 269 6 0
CDI 0 0 0 41 1133 2123 498 0
VCDI 0 0 0 0 60 3184 18111 14643

Date: 2023-10-10:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 116276 20219 988 1888 142 0 0 0
OW 4 342 219 881 441 45 0 0
VODI 0 132 103 975 833 125 37 0
ODI 0 4 7 394 1424 332 12 0
CDI 0 0 0 28 1083 1725 334 0
VCDI 0 0 0 1 83 2578 16495 18898

Date: 2023-10-12:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 116155 19706 857 1161 7 0 0 0
OW 0 381 187 853 620 22 0 0
VODI 0 171 157 925 693 117 32 0
ODI 0 35 42 616 1238 208 45 0
CDI 0 0 0 98 1368 1590 206 0
VCDI 0 0 0 1 96 3831 18094 17536

Date: 2023-10-14:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 116232 18458 1032 1082 23 0 0 0
OW 10 354 219 900 449 17 0 0
VODI 1 147 177 792 745 191 8 0
ODI 0 27 29 698 1044 270 37 0
CDI 0 0 5 136 1632 1483 131 1
VCDI 0 0 0 1 193 4947 16792 18785

Date: 2023-10-16:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 112856 19521 1241 1674 59 0 0 0
OW 1 386 191 848 560 11 0 0
VODI 0 78 149 874 991 153 3 0
ODI 0 7 21 497 1206 358 22 0
CDI 0 0 0 120 1430 2275 113 1
VCDI 0 0 0 0 252 4864 16670 19616

Date: 2023-10-18:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 108684 19804 1287 2818 403 11 0 0
OW 1 316 193 841 908 107 0 0
VODI 0 79 131 801 874 267 0 0
ODI 0 5 8 402 1409 540 5 0
CDI 0 0 0 70 1055 2591 317 1
VCDI 0 0 0 2 156 4294 16060 22608

Date: 2023-10-20:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 106043 18765 1333 2224 178 0 0 0
OW 16 206 185 1120 1786 80 0 0
VODI 2 129 136 822 1226 478 0 0
ODI 0 19 49 628 1621 625 2 0
CDI 0 0 2 154 1454 2782 160 0
VCDI 0 0 0 0 227 6570 19039 18987


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