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: 2016-05-19

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2016-05-23

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 0 212 227 82 0 0 0 0
OW 0 0 44 79 7 0 0 0
VODI 0 0 11 62 45 2 0 0
ODI 0 0 0 50 70 31 0 0
CDI 0 0 0 48 232 740 19 0
VCDI 0 0 0 0 15 1447 12274 21205
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 183 151 58 0 0 0 0
OW 0 25 48 36 3 0 0 0
VODI 0 4 49 46 22 1 0 0
ODI 0 0 34 47 37 22 0 0
CDI 0 0 0 133 221 363 6 0
VCDI 0 0 0 1 86 1834 12287 21205

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 12 15 0
VCDI 0 0 0 33 161 208 2147 557
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 12 0
CDI 0 0 0 0 6 7 173 0
VCDI 0 0 0 33 155 212 1977 557

Beaufort Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 792 334 36 0 0 0 0
OW 0 59 75 42 0 0 0 0
VODI 0 61 51 59 25 0 0 0
ODI 0 100 58 91 53 10 0 0
CDI 0 22 32 192 365 324 14 0
VCDI 0 0 1 13 94 1163 5018 898
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 693 264 45 0 0 0 0
OW 0 57 42 18 0 0 0 0
VODI 0 47 52 31 18 0 0 0
ODI 0 30 37 33 37 20 0 0
CDI 0 57 34 149 216 234 61 0
VCDI 0 150 122 157 266 1243 4971 898

Chuckchi Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 111 87 23 10 0 0 0
OW 0 88 71 62 3 0 0 0
VODI 0 25 52 71 32 0 0 0
ODI 0 0 41 108 142 0 0 0
CDI 0 0 0 32 219 390 22 0
VCDI 0 0 0 0 31 667 3175 192
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 31 60 14 10 0 0 0
OW 0 34 45 28 3 0 0 0
VODI 0 53 29 40 10 0 0 0
ODI 0 57 28 53 76 0 0 0
CDI 0 49 89 134 264 258 67 0
VCDI 0 0 0 27 74 799 3130 192

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 7 13 1 0 0
ODI 0 0 0 5 79 20 0 0
CDI 0 0 0 0 106 428 22 0
VCDI 0 0 0 0 42 419 4473 1631
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 5 24 2 0 0
ODI 0 0 0 7 61 41 0 0
CDI 0 0 0 0 49 495 133 0
VCDI 0 0 0 0 106 330 4362 1631

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 1 2 0
CDI 0 0 0 0 35 259 81 0
VCDI 0 0 0 0 61 999 3817 71
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 19 0
CDI 0 0 0 0 10 197 233 0
VCDI 0 0 0 0 86 1058 3648 71

Kara Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 434 182 90 2 0 0 0
OW 0 0 15 190 34 0 0 0
VODI 0 0 0 136 211 10 0 0
ODI 0 0 0 23 479 114 12 0
CDI 0 0 0 5 414 1151 60 0
VCDI 0 0 0 0 301 1025 1443 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 428 119 96 36 0 0 0
OW 0 6 68 116 70 0 0 0
VODI 0 0 10 138 231 20 0 0
ODI 0 0 0 50 232 142 9 0
CDI 0 0 0 32 330 689 284 0
VCDI 0 0 0 12 542 1449 1222 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 4545 5501 636 258 0 0 0 0
OW 0 0 1 79 15 0 0 0
VODI 0 0 0 23 114 0 0 0
ODI 0 0 0 5 151 0 0 0
CDI 0 0 0 3 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 4545 5501 635 242 2 0 0 0
OW 0 0 2 89 41 0 0 0
VODI 0 0 0 26 163 0 0 0
ODI 0 0 0 9 65 0 0 0
CDI 0 0 0 2 9 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 5486 3265 297 62 0 0 0 0
OW 0 0 23 151 16 0 0 0
VODI 0 0 0 127 90 2 0 0
ODI 0 0 0 20 231 99 0 0
CDI 0 0 0 0 194 1178 82 0
VCDI 0 0 0 0 0 185 188 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5486 3262 276 73 4 0 0 0
OW 0 3 29 145 28 3 0 0
VODI 0 0 15 92 148 13 0 0
ODI 0 0 0 48 158 230 0 0
CDI 0 0 0 2 193 1023 181 0
VCDI 0 0 0 0 0 195 89 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 8143 3555 402 348 91 0 0 0
OW 0 0 0 86 92 0 0 0
VODI 0 0 0 54 143 0 0 0
ODI 0 0 0 1 50 8 0 0
CDI 0 0 0 0 1 14 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 8143 3555 402 422 212 0 0 0
OW 0 0 0 67 123 1 0 0
VODI 0 0 0 0 42 13 0 0
ODI 0 0 0 0 0 8 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 0 563 316 103 0 0 0 0
OW 0 1 59 150 20 0 0 0
VODI 0 0 1 116 174 0 2 0
ODI 0 0 0 19 344 113 10 0
CDI 0 0 0 34 86 888 90 0
VCDI 0 0 0 8 107 894 1705 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 530 272 138 15 0 0 0
OW 0 25 65 100 71 0 3 0
VODI 0 9 39 72 193 43 17 0
ODI 0 0 0 59 203 177 45 0
CDI 0 0 0 23 106 649 433 0
VCDI 0 0 0 38 143 1026 1309 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 0 356 326 244 5 0 0 0
OW 0 0 4 160 8 0 0 0
VODI 0 0 0 176 75 10 0 0
ODI 0 0 0 78 143 55 2 0
CDI 0 0 0 71 237 234 39 0
VCDI 0 0 0 45 113 1114 4877 215
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 356 324 249 5 0 0 0
OW 0 0 6 113 9 4 0 0
VODI 0 0 0 144 62 18 2 0
ODI 0 0 0 91 110 73 8 0
CDI 0 0 0 84 245 271 107 0
VCDI 0 0 0 93 150 1047 4801 215

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 11251 5347 492 357 89 0 0 0
OW 0 0 16 217 81 2 0 0
VODI 0 0 0 230 332 36 0 0
ODI 0 0 0 11 414 78 0 0
CDI 0 0 0 0 184 546 122 0
VCDI 0 0 0 0 12 133 259 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 11251 5347 479 395 132 0 0 0
OW 0 0 28 176 105 12 0 0
VODI 0 0 1 199 339 72 0 0
ODI 0 0 0 45 269 137 27 0
CDI 0 0 0 0 156 349 327 0
VCDI 0 0 0 0 111 225 27 0


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