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: 2021-05-27

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

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 166 929 175 1 0 1
OW 0 399 46 390 154 4 3 2
VODI 0 714 56 1067 544 39 35 6
ODI 0 373 45 1535 3760 552 112 12
CDI 0 45 14 446 4254 11221 3529 117
VCDI 0 0 0 0 34 3223 28468 37155

Date: 2021-05-23:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 73645 14073 166 836 115 1 0 0
OW 4 496 47 481 152 2 1 0
VODI 2 944 76 1167 583 29 26 1
ODI 0 502 89 1642 3968 434 73 6
CDI 0 83 25 539 4507 11747 3497 155
VCDI 0 0 0 1 74 4142 26366 36351

Date: 2021-05-25:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 74397 13249 145 817 196 0 0 0
OW 20 595 37 452 177 1 0 0
VODI 4 1203 104 1296 587 34 25 2
ODI 0 660 88 1943 4131 332 60 23
CDI 0 73 16 493 4207 13381 3875 119
VCDI 0 0 0 2 124 5551 32617 26012

Date: 2021-05-27:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 73023 14010 765 1488 312 2 0 0
OW 6 621 44 449 223 5 0 0
VODI 0 1194 100 1451 771 48 24 1
ODI 0 605 110 2213 4182 790 40 7
CDI 0 166 38 670 4578 11504 3129 13
VCDI 0 10 2 47 213 7614 27195 29385

Date: 2021-05-29:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 75934 13058 198 974 270 3 0 0
OW 0 664 68 423 211 5 0 0
VODI 0 1324 120 1692 695 27 19 3
ODI 0 621 78 2210 4055 805 45 8
CDI 0 167 30 558 4810 12256 3447 20
VCDI 0 8 3 74 319 9403 30529 21914

Date: 2021-05-31:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 75841 13454 223 1049 282 3 0 0
OW 0 682 54 448 223 5 0 0
VODI 0 1404 133 2109 730 25 16 0
ODI 0 722 88 2404 4220 698 38 0
CDI 0 228 27 380 4677 16146 3686 14
VCDI 0 20 4 53 121 4471 30120 22250

Date: 2021-06-02:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 76505 13396 240 1260 438 19 0 0
OW 0 827 48 496 277 13 0 0
VODI 0 1584 133 2248 925 47 9 0
ODI 0 748 89 1776 4615 1206 39 2
CDI 0 165 16 349 4076 14796 5698 29
VCDI 0 27 5 56 100 2162 23821 28808

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 1583 501 18 0 0
OW 0 749 64 608 312 9 0 0
VODI 0 1473 138 2320 954 52 9 0
ODI 0 789 74 1591 4953 820 26 4
CDI 0 90 16 380 5253 13002 6809 27
VCDI 0 20 3 58 105 3617 32469 17205


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