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: 2017-03-16

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2017-03-20

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 0 0 2 8 2 0
OW 0 0 0 0 2 12 17 0
VODI 0 0 0 0 0 11 21 0
ODI 0 0 0 0 0 15 23 0
CDI 0 0 0 0 1 34 72 0
VCDI 0 0 0 0 17 1445 7917 27303
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 2 16 30 0
OW 0 0 0 0 2 8 27 0
VODI 0 0 0 0 0 17 33 0
ODI 0 0 0 0 0 16 34 0
CDI 0 0 0 0 0 36 65 0
VCDI 0 0 0 0 18 1432 7863 27303

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 0 0 82 339 2712
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 0 0 82 339 2712

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 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 9982
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 0 0 0 0 9982

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 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 28 864 4762
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 0 28 864 4757

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 69 0
CDI 0 0 0 0 0 14 128 1
VCDI 0 0 0 0 51 453 2819 3711
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 4 0
ODI 0 0 0 0 0 0 81 0
CDI 0 0 0 0 0 6 142 14
VCDI 0 0 0 0 51 461 2789 3698

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 7 1 0 0
ODI 0 0 0 0 19 22 2 0
CDI 0 0 0 0 31 60 12 34
VCDI 0 0 0 0 35 330 2929 1844
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 9 7 0 0
CDI 0 0 0 0 34 55 16 34
VCDI 0 0 0 0 49 351 2927 1844

Kara Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 293 105 16 1 0 0 0
OW 0 17 111 102 5 0 0 0
VODI 0 0 25 196 83 3 3 0
ODI 0 0 11 86 154 41 7 0
CDI 0 0 4 46 169 133 32 0
VCDI 0 0 0 49 164 697 3643 135
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 159 18 23 2 0 0 0
OW 0 108 72 38 24 0 0 0
VODI 0 27 82 58 71 6 0 0
ODI 0 12 43 132 73 42 10 0
CDI 0 4 25 137 79 112 45 0
VCDI 0 0 16 107 327 714 3630 135

Barents Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 5531 2190 456 13 0 0 0
OW 0 1 12 214 50 2 0 0
VODI 0 2 5 192 199 9 0 0
ODI 0 0 0 22 208 32 0 0
CDI 0 0 0 2 105 252 2 0
VCDI 0 0 0 0 12 539 1281 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 5518 2159 442 46 5 0 0
OW 0 14 34 170 83 12 0 0
VODI 0 2 14 213 191 47 0 0
ODI 0 0 0 54 151 86 3 0
CDI 0 0 0 7 96 233 36 0
VCDI 0 0 0 0 20 451 1244 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 65 6522 1292 287 46 3 0 0
OW 0 0 24 93 35 0 0 0
VODI 0 0 0 89 65 5 0 0
ODI 0 0 0 46 74 11 0 0
CDI 0 0 0 32 85 76 0 0
VCDI 0 0 0 4 125 912 1805 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 65 6514 1194 249 53 3 0 0
OW 0 8 68 67 33 3 0 0
VODI 0 0 38 79 57 3 0 0
ODI 0 0 15 53 63 12 0 0
CDI 0 0 1 56 70 56 6 0
VCDI 0 0 0 47 154 930 1799 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 5406 5489 861 228 44 9 0 0
OW 0 0 11 127 20 3 0 0
VODI 0 0 0 85 71 5 0 0
ODI 0 0 0 14 91 25 0 0
CDI 0 0 0 0 69 223 35 0
VCDI 0 0 0 0 8 103 61 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5406 5489 843 255 46 9 0 0
OW 0 0 25 94 45 4 0 0
VODI 0 0 4 72 62 14 0 0
ODI 0 0 0 24 69 30 0 0
CDI 0 0 0 9 62 196 22 0
VCDI 0 0 0 0 19 115 74 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 0 0 1 11 2 0
OW 0 0 0 0 2 5 4 0
VODI 0 0 0 0 7 7 8 0
ODI 0 0 0 0 15 7 8 0
CDI 0 0 0 0 7 20 21 0
VCDI 0 0 0 0 6 377 3325 1970
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 2 14 3 0
OW 0 0 0 0 4 6 5 0
VODI 0 0 0 0 15 10 10 0
ODI 0 0 0 0 6 7 14 0
CDI 0 0 0 0 6 20 31 0
VCDI 0 0 0 0 5 370 3305 1970

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 64 0 0
CDI 0 0 0 0 15 217 6 0
VCDI 0 0 0 0 10 1395 5414 1466
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 84 2 0
CDI 0 0 0 0 8 192 5 0
VCDI 0 0 0 0 17 1400 5413 1466

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5229 7383 1445 760 78 11 3 0
OW 0 4 16 367 204 37 5 0
VODI 0 0 0 161 461 43 9 0
ODI 0 0 0 2 371 247 15 0
CDI 0 0 0 0 121 772 192 0
VCDI 0 0 0 0 62 1089 1122 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5229 7382 1433 965 351 48 3 0
OW 0 5 21 234 243 69 11 0
VODI 0 0 7 86 265 126 24 0
ODI 0 0 0 5 220 273 52 0
CDI 0 0 0 0 127 544 195 0
VCDI 0 0 0 0 91 1139 1061 0


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