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: 2021-05-20

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2021-05-14:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72559 14483 165 847 136 2 0 0
OW 0 461 24 239 145 8 0 0
VODI 0 634 66 646 515 31 20 0
ODI 0 386 59 1054 1902 319 59 1
CDI 0 29 11 498 4139 9307 2559 38
VCDI 0 0 0 21 222 5171 25947 44345

Date: 2021-05-16:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 73331 13773 147 726 165 0 0 0
OW 0 413 26 341 203 6 1 0
VODI 0 552 55 778 624 56 8 0
ODI 0 379 54 1166 2417 464 36 5
CDI 0 23 6 318 4048 9989 2544 91
VCDI 0 0 2 33 245 4192 26846 42985

Date: 2021-05-18:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72654 14527 161 934 207 1 0 0
OW 0 344 36 261 209 3 0 2
VODI 0 554 49 801 621 37 26 16
ODI 0 331 53 1213 3075 468 75 31
CDI 0 31 6 370 4249 10680 3099 66
VCDI 0 2 5 54 155 3132 29808 38702

Date: 2021-05-20:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 73074 14296 159 889 167 1 0 2
OW 0 346 40 353 177 8 3 2
VODI 0 560 50 1024 586 43 37 18
ODI 0 319 45 1372 3551 616 128 12
CDI 0 29 10 387 4125 11052 3698 294
VCDI 0 0 0 0 74 3324 28287 37890

Date: 2021-05-22:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72388 15290 172 877 149 1 0 0
OW 0 391 40 441 162 5 0 1
VODI 0 804 86 1069 552 35 30 5
ODI 0 384 66 1569 3821 531 86 10
CDI 0 66 14 493 4399 11410 3438 93
VCDI 0 0 0 1 29 3709 29131 35300

Date: 2021-05-24:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72722 14923 165 914 141 0 0 0
OW 0 492 48 428 172 2 0 0
VODI 0 1021 84 1166 617 34 24 1
ODI 0 609 96 1682 4206 314 63 12
CDI 0 69 22 502 4377 14332 2592 175
VCDI 0 0 2 2 68 3960 29213 31798

Date: 2021-05-26:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 73394 14327 165 930 288 20 0 0
OW 21 633 33 416 191 9 0 0
VODI 0 1210 99 1338 765 32 41 2
ODI 0 632 85 1874 4387 646 82 2
CDI 0 101 27 567 4377 11725 3338 13
VCDI 0 4 2 30 228 8165 29667 27182

Date: 2021-05-28:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 75590 13024 207 1008 266 1 0 0
OW 0 690 50 409 188 7 0 0
VODI 0 1296 120 1482 727 42 22 4
ODI 0 629 93 2287 4063 895 54 5
CDI 0 151 38 570 4584 11264 3826 15
VCDI 0 7 3 57 397 8014 29786 25177


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