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: 2016-05-05

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2016-05-09

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 12 47 3 0 0 0 0
OW 0 0 22 23 3 0 0 0
VODI 0 0 4 33 13 0 0 0
ODI 0 0 4 45 25 13 0 0
CDI 0 0 0 91 132 270 27 0
VCDI 0 0 0 0 95 582 5295 30163
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 12 32 5 0 0 0 0
OW 0 0 23 9 3 0 0 0
VODI 0 0 12 19 12 2 0 0
ODI 0 0 4 22 18 9 0 0
CDI 0 0 3 38 46 88 143 11
VCDI 0 0 3 102 189 766 5179 30152

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 1 2 0
CDI 0 0 0 0 4 25 42 0
VCDI 0 0 0 33 145 194 2296 391
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 3 6 0
ODI 0 0 0 0 0 2 18 0
CDI 0 0 0 0 11 45 351 15
VCDI 0 0 0 33 138 170 1965 376

Beaufort Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 124 123 55 0 0 0 0
OW 0 113 81 100 0 0 0 0
VODI 0 22 104 161 63 0 0 0
ODI 0 20 65 96 73 0 0 0
CDI 0 0 34 164 277 202 10 0
VCDI 0 0 0 70 204 783 3524 3514
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 77 94 57 0 0 0 0
OW 0 41 14 42 2 0 0 0
VODI 0 50 19 97 55 0 0 0
ODI 0 55 41 63 63 0 0 0
CDI 0 46 189 151 153 136 0 0
VCDI 0 10 50 236 344 849 3534 3514

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 4 1 0 0 0 0
OW 0 0 10 6 0 0 0 0
VODI 0 0 7 7 0 0 0 0
ODI 0 0 9 6 0 0 0 0
CDI 0 0 16 52 31 0 0 0
VCDI 0 0 0 15 95 550 3907 938
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 0 0 0 0
ODI 0 0 6 2 0 0 0 0
CDI 0 0 20 22 0 0 0 0
VCDI 0 0 20 62 126 550 3907 938

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 4 0
VCDI 0 0 0 0 1 135 1732 5374
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 12 0
VCDI 0 0 0 0 1 135 1724 5374

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 7 2 0 0
CDI 0 0 0 1 27 27 10 0
VCDI 0 0 0 0 176 486 2484 2106
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 6 3 4 0
CDI 0 0 0 0 17 17 47 0
VCDI 0 0 0 1 187 495 2443 2106

Kara Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 221 75 36 0 0 0 0
OW 0 0 0 63 0 0 0 0
VODI 0 0 0 78 59 14 0 0
ODI 0 0 0 15 137 105 0 0
CDI 0 0 0 10 242 916 50 0
VCDI 0 0 0 7 81 940 3260 22
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 221 57 13 0 0 0 0
OW 0 0 9 30 7 1 0 0
VODI 0 0 9 53 50 43 0 0
ODI 0 0 0 65 76 140 17 8
CDI 0 0 0 35 197 350 397 14
VCDI 0 0 0 13 189 1441 2896 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 3917 5315 472 135 30 0 0 0
OW 0 2 43 179 4 0 0 0
VODI 0 0 11 185 69 0 0 0
ODI 0 0 3 52 395 16 0 0
CDI 0 0 1 0 232 215 0 0
VCDI 0 0 0 0 20 33 2 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 3917 5302 450 138 30 0 0 0
OW 0 15 54 118 4 0 0 0
VODI 0 0 16 145 27 1 0 0
ODI 0 0 8 91 195 88 0 0
CDI 0 0 2 59 386 134 1 0
VCDI 0 0 0 0 108 41 1 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 5656 3218 261 48 0 0 0 0
OW 0 3 61 106 8 0 0 0
VODI 0 0 12 121 45 6 0 0
ODI 0 0 0 57 128 42 0 0
CDI 0 0 0 0 158 625 81 0
VCDI 0 0 0 0 0 159 901 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5656 3125 223 66 2 0 0 0
OW 0 45 26 82 11 0 0 0
VODI 0 42 36 73 54 6 0 0
ODI 0 9 39 44 72 47 0 0
CDI 0 0 10 67 176 501 199 0
VCDI 0 0 0 0 24 278 783 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 7903 3374 572 379 57 0 0 0
OW 0 0 10 133 40 37 0 0
VODI 0 0 0 67 78 50 2 0
ODI 0 0 0 3 68 67 31 0
CDI 0 0 0 0 3 21 75 0
VCDI 0 0 0 0 0 0 18 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 7903 3374 582 479 101 90 14 0
OW 0 0 0 79 71 40 29 0
VODI 0 0 0 24 42 36 73 0
ODI 0 0 0 0 30 8 10 0
CDI 0 0 0 0 2 1 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 0 202 193 56 0 0 0 0
OW 0 26 47 105 4 0 0 0
VODI 0 0 28 120 64 0 0 0
ODI 0 0 8 76 179 30 0 0
CDI 0 0 0 14 311 520 6 0
VCDI 0 0 0 0 34 1023 2746 11
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 198 142 61 2 0 0 0
OW 0 0 30 35 11 0 0 0
VODI 0 16 52 77 35 3 0 0
ODI 0 14 27 74 43 31 0 0
CDI 0 0 25 100 303 282 9 0
VCDI 0 0 0 24 198 1257 2743 11

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 11 23 0 0 0 0
OW 0 0 82 98 1 0 0 0
VODI 0 0 5 155 37 0 0 0
ODI 0 0 0 76 131 8 0 0
CDI 0 0 0 17 367 206 19 0
VCDI 0 0 0 30 138 1305 4435 1443
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 55 45 0 0 0 0
OW 0 0 30 62 1 0 0 0
VODI 0 0 13 92 51 0 0 0
ODI 0 0 0 97 105 26 5 10
CDI 0 0 0 73 226 142 87 35
VCDI 0 0 0 30 291 1351 4362 1398

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6795 8000 1479 867 119 4 0 0
OW 0 2 20 247 145 25 0 0
VODI 0 0 0 128 264 36 0 0
ODI 0 0 0 10 252 91 0 0
CDI 0 0 0 0 118 595 82 0
VCDI 0 0 0 0 23 212 695 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6795 8002 1488 917 146 27 0 0
OW 0 0 11 232 258 24 0 0
VODI 0 0 0 94 233 51 1 0
ODI 0 0 0 9 122 164 32 0
CDI 0 0 0 0 65 342 206 0
VCDI 0 0 0 0 97 355 538 0


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