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: 2021-05-13

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2021-05-07:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72410 14257 136 692 175 1 0 0
OW 12 510 35 255 159 2 1 0
VODI 0 781 62 572 403 28 3 0
ODI 0 279 40 670 1439 240 67 10
CDI 0 102 16 310 2387 6087 3096 83
VCDI 0 0 0 0 156 2610 24122 54840

Date: 2021-05-09:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72515 14554 147 697 180 3 0 0
OW 0 492 30 230 124 4 0 0
VODI 0 773 63 523 404 30 15 4
ODI 0 271 50 735 1367 203 68 17
CDI 0 95 14 333 2931 6875 2157 59
VCDI 0 0 0 5 346 3126 25224 52384

Date: 2021-05-11:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72841 14667 147 711 164 6 0 0
OW 0 485 31 243 92 1 0 0
VODI 0 655 51 616 359 21 18 2
ODI 0 316 49 833 1615 161 56 14
CDI 0 67 9 295 3343 7490 1772 35
VCDI 0 0 0 15 323 4397 26204 48944

Date: 2021-05-13:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72604 14594 145 789 182 7 0 0
OW 0 436 36 265 134 2 0 0
VODI 0 595 53 606 495 42 13 0
ODI 0 354 53 924 1786 285 64 4
CDI 0 61 8 467 3823 8596 2698 45
VCDI 0 4 1 25 264 5369 25531 45688

Date: 2021-05-15:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72517 14544 147 785 144 1 0 0
OW 0 396 21 316 176 4 0 0
VODI 0 592 61 771 562 46 7 0
ODI 0 382 54 1209 2144 441 48 8
CDI 0 12 8 381 4187 9793 2079 43
VCDI 0 0 0 32 273 5028 26484 43352

Date: 2021-05-17:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 73100 14014 159 896 190 2 0 0
OW 0 339 31 307 184 6 0 0
VODI 0 534 52 780 620 45 9 2
ODI 0 342 50 1108 2831 442 63 18
CDI 0 24 4 307 4388 10392 2596 80
VCDI 0 1 0 28 164 3642 28815 40483

Date: 2021-05-19:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 73066 14282 147 889 160 1 0 3
OW 0 370 40 297 176 5 0 4
VODI 0 574 58 909 639 58 53 17
ODI 0 282 39 1304 3198 568 103 25
CDI 0 43 14 466 4033 10531 3719 160
VCDI 0 0 0 4 89 3230 29295 38197

Date: 2021-05-21:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72293 15129 166 930 175 1 0 1
OW 0 399 46 390 154 4 3 2
VODI 0 714 56 1065 544 39 35 6
ODI 0 373 45 1537 3764 553 112 13
CDI 0 45 14 445 4250 11221 3528 117
VCDI 0 0 0 0 34 3222 28469 37154


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