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: 2016-04-07

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2016-04-11

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 0 3 11 0 0 0 0
OW 0 0 15 28 7 0 0 0
VODI 0 0 13 27 14 0 0 0
ODI 0 1 48 50 47 9 0 0
CDI 0 0 52 76 69 38 2 0
VCDI 0 0 0 18 109 762 5621 29882
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 1 9 1 0 0 0
OW 0 0 7 29 6 0 0 0
VODI 0 0 11 18 22 0 0 0
ODI 0 0 0 9 20 1 0 0
CDI 0 0 1 7 20 12 2 0
VCDI 0 1 111 138 177 796 5621 29882

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 0 0 0 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 33 133 250 2343 374
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 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 33 133 250 2343 374

Beaufort Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 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 3 28 0 0 0
CDI 0 0 0 16 88 29 44 0
VCDI 0 0 0 6 167 710 3960 4931
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 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 10 0 0 0
CDI 0 0 0 4 72 37 97 0
VCDI 0 0 0 21 201 702 3907 4931

Chuckchi Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 1 23 0 0 0
ODI 0 0 0 4 65 1 0 0
CDI 0 0 0 0 51 5 0 0
VCDI 0 0 0 0 121 237 2300 2846
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 3 0 0 0
ODI 0 0 0 3 44 0 0 0
CDI 0 0 0 2 76 4 0 0
VCDI 0 0 0 0 137 239 2300 2846

Siberian Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 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 5
VCDI 0 0 0 0 1 1 586 6653
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 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 15
VCDI 0 0 0 0 1 1 586 6643

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 0 0 0 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 4 0
CDI 0 0 0 0 0 12 115 0
VCDI 0 0 0 0 0 110 2294 2791
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 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 1 16 0
CDI 0 0 0 0 0 16 127 0
VCDI 0 0 0 0 0 105 2270 2791

Kara Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 178 14 0 0 0 0 0
OW 0 44 3 0 0 0 0 0
VODI 0 43 68 35 1 0 0 0
ODI 0 0 7 54 39 3 0 0
CDI 0 0 0 39 97 42 43 0
VCDI 0 0 0 0 24 404 4630 563
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 112 11 0 0 0 0 0
OW 0 29 1 0 0 0 0 0
VODI 0 35 1 0 0 0 0 0
ODI 0 32 1 0 0 0 0 0
CDI 0 48 36 22 4 2 50 2
VCDI 0 9 42 106 157 447 4623 561

Barents Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 2162 5969 353 36 0 0 0 0
OW 0 86 186 120 1 0 0 0
VODI 0 14 102 361 55 0 0 0
ODI 0 0 1 194 389 8 0 0
CDI 0 0 0 14 268 290 0 0
VCDI 0 0 0 2 67 579 74 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 2162 5775 343 49 0 0 0 0
OW 0 171 111 117 0 0 0 0
VODI 0 88 105 221 54 0 0 0
ODI 0 33 47 169 197 2 0 0
CDI 0 2 36 161 379 128 0 0
VCDI 0 0 0 10 150 747 74 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 5008 3257 365 170 16 0 0 0
OW 0 0 20 120 33 0 0 0
VODI 0 0 0 125 73 9 0 0
ODI 0 0 0 37 113 29 0 0
CDI 0 0 0 4 106 351 26 0
VCDI 0 0 0 0 1 286 1547 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5008 3255 331 183 28 0 0 0
OW 0 2 42 76 49 2 0 0
VODI 0 0 12 95 72 30 0 0
ODI 0 0 0 59 65 50 0 0
CDI 0 0 0 43 116 308 82 0
VCDI 0 0 0 0 12 285 1491 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 7495 3739 455 408 92 4 0 0
OW 0 2 22 124 56 3 0 0
VODI 0 0 0 59 110 11 0 0
ODI 0 0 0 3 141 112 0 0
CDI 0 0 0 0 21 131 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 7495 3735 455 449 118 4 0 0
OW 0 6 22 98 59 15 0 0
VODI 0 0 0 40 138 62 0 0
ODI 0 0 0 7 79 102 0 0
CDI 0 0 0 0 26 78 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 0 0 124 37 0 0 0 0
OW 0 0 16 89 13 0 0 0
VODI 0 0 14 59 51 4 0 0
ODI 0 0 2 55 62 25 0 0
CDI 0 0 0 36 203 177 0 0
VCDI 0 0 0 38 313 3473 1012 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 84 14 3 0 0 0
OW 0 0 17 30 11 2 0 0
VODI 0 0 26 58 20 9 0 0
ODI 0 0 23 40 43 14 0 0
CDI 0 0 6 72 112 89 0 0
VCDI 0 0 0 100 453 3565 1012 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 0 0 0 0 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 2 0 0
CDI 0 0 0 3 18 66 1 0
VCDI 0 0 0 6 114 1335 5289 1753
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 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 1 13 0 0
CDI 0 0 0 4 24 74 1 0
VCDI 0 0 0 5 107 1316 5289 1753

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5887 7307 1290 816 146 1 0 0
OW 0 3 15 356 270 15 0 0
VODI 0 0 0 90 493 112 0 0
ODI 0 0 0 1 314 362 6 0
CDI 0 0 0 0 35 640 76 0
VCDI 0 0 0 3 47 795 1129 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5887 7296 1274 974 392 25 0 0
OW 0 14 31 199 248 112 0 0
VODI 0 0 0 88 392 312 16 0
ODI 0 0 0 2 200 298 50 0
CDI 0 0 0 0 27 393 160 0
VCDI 0 0 0 3 46 785 985 0


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