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: 2018-06-07

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2018-06-11

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 0 777 23 108 37 0 0 0
OW 0 38 2 35 44 2 0 0
VODI 0 15 5 51 101 5 0 0
ODI 0 7 2 30 215 49 0 0
CDI 0 0 0 22 298 1477 139 1
VCDI 0 0 0 0 12 2209 10831 20367
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 773 23 117 62 1 0 0
OW 0 18 1 31 68 8 0 0
VODI 0 24 4 34 114 30 0 0
ODI 0 17 2 15 137 81 0 0
CDI 0 5 2 49 291 1326 180 0
VCDI 0 0 0 0 35 2296 10790 20368

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 43 10 42 9 1 0 0
OW 0 27 3 33 13 0 0 0
VODI 0 0 0 30 23 3 2 0
ODI 0 0 0 2 15 18 14 0
CDI 0 0 0 0 0 57 190 0
VCDI 0 0 0 0 33 325 1988 252
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 67 11 67 14 1 0 0
OW 0 3 2 28 25 3 2 0
VODI 0 0 0 10 17 11 8 0
ODI 0 0 0 2 4 8 32 0
CDI 0 0 0 0 0 29 143 0
VCDI 0 0 0 0 33 352 2009 252

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 8 6 49 50 11 0 0
OW 0 40 11 94 20 18 0 0
VODI 0 53 7 176 85 12 0 0
ODI 0 26 1 21 95 20 0 0
CDI 0 16 10 67 174 358 10 0
VCDI 0 45 5 66 137 1336 4681 2274
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 12 5 77 70 36 0 0
OW 0 31 12 113 56 14 0 0
VODI 0 30 5 97 89 26 0 0
ODI 0 17 2 21 39 21 0 0
CDI 0 36 0 34 95 240 56 0
VCDI 0 62 16 131 212 1418 4635 2274

Chuckchi Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 105 1318 24 42 0 0 0 0
OW 10 62 14 125 5 0 0 0
VODI 0 3 3 83 74 0 0 0
ODI 0 0 0 34 136 20 2 0
CDI 0 0 0 17 157 268 87 0
VCDI 0 0 0 0 26 213 2065 761
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 105 1293 22 54 2 0 0 0
OW 10 45 6 78 14 0 0 0
VODI 0 32 5 69 66 3 0 0
ODI 0 10 6 43 95 27 2 0
CDI 0 3 2 53 139 198 85 0
VCDI 0 0 0 4 82 273 2067 761

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 40 4 1 0 0 0 0
OW 0 21 5 20 1 0 0 0
VODI 0 12 0 27 5 0 0 0
ODI 0 4 0 17 13 4 5 0
CDI 0 5 1 35 93 108 50 2
VCDI 0 0 0 0 45 278 3059 3391
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 12 4 1 0 0 0 0
OW 0 21 1 6 1 0 0 0
VODI 0 23 3 22 0 0 0 0
ODI 0 12 1 19 9 2 33 0
CDI 0 14 1 44 66 79 120 30
VCDI 0 0 0 8 81 309 2961 3363

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 1018 30 87 2 0 0 0
OW 0 87 10 135 20 0 0 0
VODI 0 59 10 182 169 2 0 0
ODI 0 39 4 115 233 39 0 0
CDI 0 1 6 270 1114 228 4 0
VCDI 0 1 0 7 613 724 117 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 362 16 59 4 0 0 0
OW 0 215 6 34 12 0 0 0
VODI 0 250 6 114 43 7 0 0
ODI 0 202 15 133 103 12 0 0
CDI 0 157 15 303 645 171 3 0
VCDI 0 19 2 153 1344 803 118 0

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 14 0 11 1 0 0 0
OW 0 130 10 42 15 3 0 0
VODI 0 37 16 333 182 5 0 0
ODI 0 12 3 124 922 114 0 0
CDI 0 0 0 24 793 1824 48 0
VCDI 0 0 0 0 0 383 1285 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 20 0 9 1 1 0 0
OW 0 42 2 35 8 2 0 0
VODI 0 85 12 94 150 26 0 0
ODI 0 32 11 188 293 148 0 0
CDI 0 14 4 204 1420 1583 136 0
VCDI 0 0 0 4 41 569 1197 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 7005 3332 31 76 0 0 0 0
OW 0 41 9 116 7 2 0 0
VODI 0 4 2 99 95 13 0 0
ODI 0 0 0 0 153 60 0 0
CDI 0 0 0 0 2 273 11 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 7005 3349 39 206 21 0 0 0
OW 0 23 2 47 71 19 0 0
VODI 0 5 1 35 116 65 0 0
ODI 0 0 0 3 45 137 5 0
CDI 0 0 0 0 4 127 6 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 6764 2932 30 157 16 0 0 0
OW 0 9 4 144 39 0 1 0
VODI 0 0 0 45 148 1 5 0
ODI 0 0 0 0 207 28 13 0
CDI 0 0 0 0 37 528 308 0
VCDI 0 0 0 0 0 24 256 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6764 2940 33 288 53 1 1 0
OW 0 1 1 58 192 23 10 0
VODI 0 0 0 0 168 117 23 0
ODI 0 0 0 0 29 174 217 0
CDI 0 0 0 0 5 266 332 0
VCDI 0 0 0 0 0 0 0 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 10033 2640 38 116 2 0 0 0
OW 0 48 5 52 0 0 0 0
VODI 0 11 1 39 3 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 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 10033 2638 39 131 2 0 0 0
OW 0 50 4 52 1 0 0 0
VODI 0 11 1 24 2 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 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 1249 30 109 84 0 0 0
OW 0 105 26 97 39 12 0 0
VODI 0 34 10 189 136 18 2 0
ODI 0 7 4 31 464 62 3 0
CDI 0 0 0 0 269 937 206 0
VCDI 0 0 0 0 0 194 1485 1
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 1200 35 126 84 5 2 0
OW 0 70 13 114 56 28 4 0
VODI 0 63 6 82 207 40 10 0
ODI 0 42 10 41 254 148 69 0
CDI 0 20 6 63 391 823 358 0
VCDI 0 0 0 0 0 179 1253 1

Hudson Bay:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 848 31 236 28 0 0 0
OW 0 43 7 115 77 11 0 0
VODI 0 56 3 116 286 12 0 0
ODI 0 135 0 46 515 109 16 0
CDI 0 207 0 107 675 1552 224 0
VCDI 0 73 0 22 64 1363 1499 111
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 860 31 231 59 3 0 0
OW 0 44 6 142 161 24 5 0
VODI 0 31 4 77 291 62 59 0
ODI 0 124 0 32 277 92 65 0
CDI 0 227 0 60 478 913 304 6
VCDI 0 76 0 100 379 1953 1306 105

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 14280 3592 66 517 330 41 0 0
OW 0 12 14 85 96 21 0 0
VODI 0 0 0 47 159 31 0 0
ODI 0 0 0 0 235 66 0 0
CDI 0 0 0 0 34 283 57 0
VCDI 0 0 0 0 0 6 237 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 14280 3604 80 597 382 56 0 0
OW 0 0 0 52 178 31 0 0
VODI 0 0 0 0 269 105 1 0
ODI 0 0 0 0 23 224 148 0
CDI 0 0 0 0 2 32 145 0
VCDI 0 0 0 0 0 0 0 0


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