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: 2016-02-11

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2016-02-15

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 0 108 166 47 17 6 0 0
OW 0 39 26 43 20 14 0 0
VODI 0 8 39 30 24 19 0 0
ODI 0 2 21 14 26 20 0 0
CDI 0 0 15 42 27 46 1 0
VCDI 0 0 54 141 287 1016 6354 28230
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 51 135 42 20 9 0 0
OW 0 14 22 34 14 10 0 0
VODI 0 24 10 24 21 18 0 0
ODI 0 31 18 13 23 14 0 0
CDI 0 19 28 7 22 32 1 0
VCDI 0 18 108 197 301 1038 6354 28230

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 33 142 304 2256 398
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 33 142 304 2256 398

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 14 38 5 3
VCDI 0 0 0 0 69 738 2826 6289
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 16 44 5 5
VCDI 0 0 0 0 67 732 2826 6287

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 1 0 0 0
CDI 0 0 0 0 12 9 0 0
VCDI 0 0 0 0 9 244 2239 3140
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 10 23 0 0
VCDI 0 0 0 0 11 229 2239 3140

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 10
VCDI 0 0 0 0 1 0 284 6951
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 0 284 6956

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 0 0
CDI 0 0 0 0 0 0 0 1
VCDI 0 0 0 0 0 52 1926 3347
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 1
VCDI 0 0 0 0 0 52 1926 3347

Kara Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 179 29 19 1 0 0 0
OW 0 37 104 84 10 0 0 0
VODI 0 54 84 286 68 0 0 0
ODI 0 0 21 108 114 7 0 0
CDI 0 0 4 98 129 172 46 0
VCDI 0 0 0 23 146 571 3933 4
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 104 14 1 0 0 0 0
OW 0 29 3 28 10 0 0 0
VODI 0 42 49 64 24 0 0 0
ODI 0 55 90 113 31 3 0 0
CDI 0 36 34 147 75 97 31 0
VCDI 0 4 52 265 328 650 3948 4

Barents Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 1649 6102 731 136 0 0 0 0
OW 0 58 258 255 9 0 0 0
VODI 0 2 49 476 135 0 0 0
ODI 0 0 1 102 392 3 0 0
CDI 0 0 0 49 244 24 0 0
VCDI 0 0 0 3 242 323 88 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 1649 5947 587 110 1 0 0 0
OW 0 134 182 169 8 0 0 0
VODI 0 66 160 239 75 0 0 0
ODI 0 15 87 231 170 3 0 0
CDI 0 0 11 177 232 9 10 0
VCDI 0 0 12 95 536 338 78 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 1883 6825 373 13 0 0 0 0
OW 0 5 70 38 0 0 0 0
VODI 0 4 38 87 8 0 0 0
ODI 0 0 18 76 17 0 0 0
CDI 0 0 5 98 138 17 0 0
VCDI 0 0 0 5 153 1070 755 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 1883 6787 297 7 0 0 0 0
OW 0 26 89 20 0 0 0 0
VODI 0 12 48 76 3 0 0 0
ODI 0 7 27 66 13 0 0 0
CDI 0 2 38 74 64 5 0 0
VCDI 0 0 5 74 236 1082 755 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 5231 5438 1009 248 13 0 0 0
OW 0 11 84 76 33 5 0 0
VODI 0 1 21 83 49 27 0 0
ODI 0 0 7 36 74 57 0 0
CDI 0 0 0 29 50 176 69 0
VCDI 0 0 0 3 34 65 59 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5231 5417 1002 253 39 5 0 0
OW 0 19 57 61 26 22 0 0
VODI 0 12 33 67 49 48 1 0
ODI 0 2 18 36 52 87 17 0
CDI 0 0 11 38 31 96 47 0
VCDI 0 0 0 20 56 72 63 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 12 1 0 0 0 0
OW 0 0 11 9 4 0 0 0
VODI 0 0 1 25 11 0 0 0
ODI 0 0 0 21 26 0 0 0
CDI 0 0 0 21 82 6 0 0
VCDI 0 0 0 31 410 893 3755 484
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 1 0 0 0 0 0
VODI 0 0 6 1 0 0 0 0
ODI 0 0 8 5 4 0 0 0
CDI 0 0 9 20 38 3 0 0
VCDI 0 0 0 82 491 896 3755 484

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 0 0 0
CDI 0 0 0 0 17 82 59 0
VCDI 0 0 0 0 16 474 5723 2216
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 17 100 79 0
VCDI 0 0 0 0 16 456 5703 2216

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 4651 8129 1520 383 24 0 0 0
OW 0 0 75 231 106 0 0 0
VODI 0 0 21 170 195 0 0 0
ODI 0 0 0 77 299 23 0 0
CDI 0 0 0 24 408 336 7 0
VCDI 0 0 0 4 218 2100 1208 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 4651 8088 1305 387 45 0 0 0
OW 0 40 118 147 69 0 0 0
VODI 0 1 129 101 187 0 0 0
ODI 0 0 53 118 258 24 0 0
CDI 0 0 11 81 354 331 6 0
VCDI 0 0 0 55 337 2104 1209 0


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