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: 2020-12-03

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2020-11-27:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 84847 17005 171 927 664 514 15 0
OW 379 2288 88 457 382 383 35 0
VODI 340 1734 115 1093 1239 442 140 0
ODI 5 201 35 602 1710 1124 452 61
CDI 0 4 2 78 1000 5298 3396 2049
VCDI 0 0 0 14 83 3057 14742 39877

Date: 2020-11-29:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 83940 16486 175 789 373 19 0 0
OW 802 2455 86 575 518 193 0 0
VODI 161 1934 100 999 1112 1392 230 1
ODI 2 172 34 573 1795 1195 425 13
CDI 0 0 0 51 945 5814 3599 1021
VCDI 0 0 0 0 63 2612 18930 37464

Date: 2020-12-01:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 82312 14586 133 700 517 183 0 0
OW 626 4014 120 695 406 203 0 0
VODI 27 2138 131 1139 1386 1365 186 0
ODI 0 205 40 554 1855 1462 221 5
CDI 0 0 1 57 1037 6965 3650 450
VCDI 0 0 0 12 107 2704 19139 37717

Date: 2020-12-03:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 83991 12196 123 602 552 79 0 0
OW 350 3570 134 697 467 251 0 0
VODI 89 2157 109 1097 1508 813 9 0
ODI 0 482 64 569 1880 2225 100 0
CDI 0 40 7 276 1383 5125 3931 706
VCDI 0 0 0 10 273 2907 19208 39068

Date: 2020-12-05:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 82575 12451 107 520 465 194 1 0
OW 391 3621 106 663 399 519 15 0
VODI 47 2075 104 1058 1324 701 45 1
ODI 4 421 60 721 1562 1909 670 14
CDI 0 23 9 155 1200 5778 3438 278
VCDI 0 0 1 5 88 3020 22135 38175

Date: 2020-12-07:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 81106 12531 137 624 559 469 0 0
OW 508 2940 97 608 246 174 0 0
VODI 56 1847 128 1041 1730 797 9 5
ODI 1 342 42 612 2034 2363 425 55
CDI 0 17 0 77 1152 5887 2874 572
VCDI 0 0 0 0 7 1892 18286 44798

Date: 2020-12-09:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 80701 12419 128 531 414 504 246 0
OW 299 2916 101 453 204 127 56 0
VODI 18 2280 143 1006 1150 481 130 4
ODI 0 314 55 896 2338 2165 292 38
CDI 0 3 2 64 1070 5820 3400 555
VCDI 0 0 0 2 7 1305 13266 51145

Date: 2020-12-11:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 80963 11713 90 540 170 5 0 0
OW 392 1716 92 775 561 684 239 0
VODI 39 2209 153 1429 1057 568 74 0
ODI 1 377 54 866 1993 2580 333 19
CDI 0 22 7 115 1091 6029 3201 216
VCDI 0 0 1 10 1 1822 13127 51714


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