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: 2016-04-28

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2016-05-02

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 3 0 0 0 0
OW 0 0 0 15 0 0 0 0
VODI 0 0 0 24 12 0 0 0
ODI 0 0 0 5 38 12 0 0
CDI 0 0 0 4 20 106 3 0
VCDI 0 0 0 0 122 1343 6542 28653
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 7 0 0 0 0
VODI 0 0 0 21 7 0 0 0
ODI 0 0 0 12 24 10 0 0
CDI 0 0 0 10 33 50 25 0
VCDI 0 0 0 1 128 1401 6520 28653

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 4 2 0
CDI 0 0 0 0 10 15 73 0
VCDI 0 0 0 33 143 161 2241 451
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 2 0
ODI 0 0 0 0 9 11 28 0
CDI 0 0 0 0 0 20 195 0
VCDI 0 0 0 33 144 149 2091 451

Beaufort Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 123 84 50 0 0 0 0
OW 0 46 40 41 3 0 0 0
VODI 0 31 30 100 52 0 0 0
ODI 0 42 71 120 126 1 0 0
CDI 0 0 81 282 213 89 2 0
VCDI 0 0 5 105 317 913 4275 2740
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 17 9 0 0 0 0
OW 0 21 39 45 15 0 0 0
VODI 0 55 52 62 69 0 0 0
ODI 0 62 14 52 73 8 0 0
CDI 0 66 29 120 131 97 8 0
VCDI 0 38 160 410 423 898 4269 2740

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 10 0 0 0 0
VODI 0 0 0 9 0 0 0 0
ODI 0 0 0 11 0 0 0 0
CDI 0 0 0 17 8 0 0 0
VCDI 0 0 0 9 179 720 3334 1357
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 4 0 0 0 0
ODI 0 0 0 11 0 0 0 0
CDI 0 0 0 28 8 0 0 0
VCDI 0 0 0 13 179 720 3334 1357

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 3 2 0
CDI 0 0 0 0 14 9 42 24
VCDI 0 0 0 0 29 221 2771 4131
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 2 6 4
CDI 0 0 0 0 12 9 83 75
VCDI 0 0 0 0 30 222 2726 4076

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 2 2 0 0
CDI 0 0 0 0 2 29 4 0
VCDI 0 0 0 0 10 621 2340 2316
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 1 0 0
CDI 0 0 0 0 2 9 0 0
VCDI 0 0 0 0 11 642 2344 2316

Kara Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 307 83 23 0 0 0 0
OW 0 21 44 69 6 0 0 0
VODI 0 0 3 89 187 9 0 0
ODI 0 0 0 40 197 118 1 0
CDI 0 0 0 23 146 811 79 0
VCDI 0 0 0 1 132 1341 2580 21
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 288 55 6 0 0 0 0
OW 0 34 25 42 6 0 0 0
VODI 0 6 35 62 119 5 0 0
ODI 0 0 15 39 152 52 8 0
CDI 0 0 0 62 136 490 87 14
VCDI 0 0 0 34 255 1732 2565 7

Barents Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 3621 5035 512 218 32 0 0 0
OW 0 0 19 190 6 0 0 0
VODI 0 0 0 218 89 0 0 0
ODI 0 0 0 52 401 16 0 0
CDI 0 0 0 13 641 168 0 0
VCDI 0 0 0 3 97 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 3621 5026 489 237 27 0 0 0
OW 0 9 27 131 11 0 0 0
VODI 0 0 15 139 46 0 0 0
ODI 0 0 0 120 105 0 0 0
CDI 0 0 0 58 512 131 0 0
VCDI 0 0 0 9 565 53 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 5360 3256 316 96 0 0 0 0
OW 0 0 56 128 2 0 0 0
VODI 0 0 0 130 62 1 0 0
ODI 0 0 0 22 147 15 0 0
CDI 0 0 0 0 133 717 12 0
VCDI 0 0 0 0 0 449 794 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5360 3236 251 79 0 0 0 0
OW 0 20 75 77 6 0 0 0
VODI 0 0 40 100 35 0 0 0
ODI 0 0 6 92 64 6 0 0
CDI 0 0 0 28 222 306 12 0
VCDI 0 0 0 0 17 870 794 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 8212 3295 432 367 23 0 0 0
OW 0 1 23 76 48 1 0 0
VODI 0 0 8 86 116 30 0 0
ODI 0 0 0 7 85 50 16 0
CDI 0 0 0 0 22 15 64 0
VCDI 0 0 0 0 2 0 9 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 8212 3270 403 407 62 16 0 0
OW 0 23 17 46 48 13 31 0
VODI 0 3 36 39 99 59 58 0
ODI 0 0 7 43 56 8 0 0
CDI 0 0 0 1 25 0 0 0
VCDI 0 0 0 0 6 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 0 117 133 48 0 0 0 0
OW 0 0 7 110 0 0 0 0
VODI 0 0 7 100 47 0 0 0
ODI 0 0 3 29 113 22 1 0
CDI 0 0 0 19 152 419 9 0
VCDI 0 0 0 10 91 739 3498 129
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 117 117 51 0 0 0 0
OW 0 0 16 68 10 0 0 0
VODI 0 0 10 86 48 15 0 0
ODI 0 0 6 46 64 36 4 0
CDI 0 0 1 24 133 171 27 0
VCDI 0 0 0 41 148 958 3477 129

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 2 2 0 0 0
VODI 0 0 0 34 56 0 0 0
ODI 0 0 0 26 79 16 2 0
CDI 0 0 0 31 322 231 119 0
VCDI 0 0 0 0 190 1674 4738 1065
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 8 7 0 0 0
ODI 0 0 0 23 59 5 1 0
CDI 0 0 0 46 277 233 173 0
VCDI 0 0 0 16 306 1683 4685 1065

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 8501 6404 881 977 128 0 0 0
OW 0 0 30 247 309 0 0 0
VODI 0 0 0 59 197 19 0 0
ODI 0 0 0 4 158 111 11 0
CDI 0 0 0 4 65 394 423 0
VCDI 0 0 0 0 11 134 1142 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 8501 6403 899 1130 188 2 0 0
OW 0 1 12 117 355 28 0 0
VODI 0 0 0 33 167 125 8 0
ODI 0 0 0 6 93 174 107 0
CDI 0 0 0 5 60 214 757 0
VCDI 0 0 0 0 5 115 704 0


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