Description of algorithm
Full domain
American sector
European sector
Asian sector
GODAE regions
  Ice concntr, edge pos
  Contingency tables

Validation of sea ice concentration - GODAE regions

Bulletin date: 2016-08-04

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2016-08-08

Best estimate

Forecast

Arctic Deep Basin:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 797 388 381 31 0 0 0
OW 0 0 246 635 56 0 0 0
VODI 0 0 27 2188 617 0 0 0
ODI 0 0 0 284 6722 752 0 0
CDI 0 0 0 0 515 17096 2887 0
VCDI 0 0 0 0 0 657 2623 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 797 364 468 55 0 0 0
OW 0 0 68 505 129 0 0 0
VODI 0 0 229 1600 1614 219 0 0
ODI 0 0 0 903 5413 3864 344 0
CDI 0 0 0 12 730 14020 5115 0
VCDI 0 0 0 0 0 402 51 0

Queen Elisabeth Islands:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 647 135 70 0 0 0 0
OW 0 21 4 65 3 0 0 0
VODI 0 0 3 481 118 7 0 0
ODI 0 0 0 32 387 47 0 0
CDI 0 3 1 0 46 1000 51 0
VCDI 0 1 0 0 0 0 11 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 565 104 82 2 0 0 0
OW 0 57 20 139 35 0 0 0
VODI 0 46 18 409 320 34 0 0
ODI 0 0 0 13 55 92 0 0
CDI 0 3 1 5 142 912 62 0
VCDI 0 1 0 0 0 16 0 0

Beaufort Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 211 3386 1592 158 0 0 0 0
OW 0 0 292 479 0 0 0 0
VODI 0 0 6 700 62 0 0 0
ODI 0 0 0 88 1063 115 0 0
CDI 0 0 0 0 138 1150 153 0
VCDI 0 0 0 0 0 20 369 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 211 3264 1111 181 0 0 0 0
OW 0 120 665 405 1 0 0 0
VODI 0 2 112 602 36 0 0 0
ODI 0 0 2 237 691 73 0 0
CDI 0 0 0 0 535 1205 522 0
VCDI 0 0 0 0 0 7 0 0

Chuckchi Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 8 2203 959 201 0 0 0 0
OW 0 0 81 413 0 0 0 0
VODI 0 0 0 741 122 0 0 0
ODI 0 0 0 82 787 12 0 0
CDI 0 0 0 0 19 26 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 8 2197 955 439 2 0 0 0
OW 0 6 84 434 125 0 0 0
VODI 0 0 1 458 516 25 0 0
ODI 0 0 0 106 285 13 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0

Siberian Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 57 3752 551 49 0 0 0 0
OW 0 12 181 406 0 0 0 0
VODI 0 1 0 505 154 0 0 0
ODI 0 0 0 12 959 84 0 0
CDI 0 0 0 0 26 497 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 57 3590 388 86 0 0 0 0
OW 0 171 328 338 29 0 0 0
VODI 0 4 16 522 329 0 0 0
ODI 0 0 0 26 755 359 0 0
CDI 0 0 0 0 26 222 0 0
VCDI 0 0 0 0 0 0 0 0

Laptev Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 1149 351 68 0 0 0 0
OW 0 14 108 383 6 0 0 0
VODI 0 1 1 558 180 0 0 0
ODI 0 0 0 37 1025 113 0 0
CDI 0 0 0 0 72 873 91 0
VCDI 0 0 0 0 0 7 289 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 1139 376 189 14 0 0 0
OW 0 22 79 460 80 0 0 0
VODI 0 3 5 360 719 203 11 0
ODI 0 0 0 37 445 743 206 0
CDI 0 0 0 0 25 47 163 0
VCDI 0 0 0 0 0 0 0 0

Kara Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 663 5230 326 81 0 0 0 0
OW 0 3 0 20 0 0 0 0
VODI 0 0 0 6 2 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 663 5229 325 74 0 0 0 0
OW 0 4 1 24 0 0 0 0
VODI 0 0 0 9 2 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0

Barents Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 7950 3199 145 37 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 7950 3199 145 37 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0

Greenland Basin:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 8203 1982 409 149 0 0 0 0
OW 0 1 10 309 0 0 0 0
VODI 0 0 0 337 51 1 0 0
ODI 0 0 0 19 205 20 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 8203 1973 309 87 0 0 0 0
OW 0 10 88 308 0 0 0 0
VODI 0 0 22 381 85 16 0 0
ODI 0 0 0 38 171 5 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0

Southeast Greenland:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 11590 1378 18 2 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 11590 1378 18 2 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0

Baffin Bay:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 1524 3915 256 78 6 0 0 0
OW 0 0 0 4 8 0 0 0
VODI 0 0 0 0 9 3 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 1524 3915 256 80 10 0 0 0
OW 0 0 0 2 12 3 0 0
VODI 0 0 0 0 1 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0

Hudson Bay:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 281 7098 975 192 10 0 0 0
OW 0 0 0 18 1 0 0 0
VODI 0 0 0 7 0 0 0 0
ODI 0 0 0 5 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 281 7098 975 206 10 0 0 0
OW 0 0 0 8 1 0 0 0
VODI 0 0 0 8 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 17013 2477 585 132 0 0 0 0
OW 0 0 0 2 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 17013 2477 585 119 0 0 0 0
OW 0 0 0 15 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0


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