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: 2023-12-21

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2023-12-15:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 78447 12775 762 990 35 0 0 0
OW 72 876 198 872 642 7 0 0
VODI 32 551 308 1046 819 243 0 0
ODI 14 258 88 1080 1628 480 0 0
CDI 0 42 54 345 1676 4048 475 2
VCDI 0 0 0 56 538 6227 16859 54503

Date: 2023-12-17:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 78593 12559 628 723 19 0 0 0
OW 46 733 268 944 408 7 0 0
VODI 26 405 274 1021 688 653 0 0
ODI 7 100 72 1024 1472 520 17 0
CDI 0 24 18 262 1601 4333 1008 2
VCDI 0 0 0 19 343 5840 17397 54994

Date: 2023-12-19:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 76646 13458 648 957 89 0 0 0
OW 36 537 215 670 420 6 0 0
VODI 20 350 166 1091 825 498 53 0
ODI 0 40 34 856 1618 510 264 0
CDI 0 0 0 127 1711 3469 1310 0
VCDI 0 0 0 11 288 6261 19177 54687

Date: 2023-12-21:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 76338 12637 732 712 24 0 0 0
OW 22 351 182 767 395 0 0 0
VODI 7 242 111 838 796 197 0 0
ODI 0 223 51 783 1512 641 21 0
CDI 1 4 0 220 1975 3387 873 5
VCDI 0 0 0 13 313 6943 20861 54871

Date: 2023-12-23:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 75385 12891 604 624 28 0 0 0
OW 36 359 154 620 157 0 0 0
VODI 9 474 144 871 599 80 0 0
ODI 0 237 78 964 1749 326 7 0
CDI 0 2 3 227 2257 3764 786 1
VCDI 0 0 0 0 196 5679 19383 58354

Date: 2023-12-25:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 76146 11901 450 691 25 0 0 0
OW 62 466 130 465 178 1 0 0
VODI 24 674 193 706 556 94 0 0
ODI 1 38 47 812 1755 549 99 0
CDI 0 0 0 134 1631 3192 1102 0
VCDI 0 0 0 3 107 5993 23544 55279

Date: 2023-12-27:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 76091 12135 408 403 37 0 0 0
OW 60 481 175 395 125 0 0 0
VODI 42 703 206 696 357 55 0 0
ODI 7 166 120 789 1367 399 0 0
CDI 0 2 4 408 2094 2616 565 0
VCDI 0 0 0 9 401 6597 22256 56879

Date: 2023-12-29:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 75572 12524 339 355 26 0 0 0
OW 94 582 165 391 108 0 0 0
VODI 86 688 182 656 300 40 0 0
ODI 3 219 168 759 1205 327 1 0
CDI 0 0 4 240 2026 3338 760 16
VCDI 0 0 0 2 181 5412 22408 57871


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