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: 2016-01-21

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2016-01-25

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 0 217 202 44 23 6 0 0
OW 0 83 77 45 5 7 0 0
VODI 0 12 56 90 29 14 1 0
ODI 0 0 29 57 52 25 3 0
CDI 0 0 8 49 84 52 19 0
VCDI 0 0 3 65 170 1691 6814 26870
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 167 147 37 24 9 0 0
OW 0 19 43 21 6 12 0 0
VODI 0 36 32 50 15 15 7 0
ODI 0 44 24 33 29 17 6 0
CDI 0 29 47 35 66 26 24 0
VCDI 0 17 82 174 223 1716 6800 26870

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 5 0 0 0 0
VCDI 0 0 0 62 142 453 2090 381
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 2 0 0 0 0
VCDI 0 0 0 65 142 453 2090 381

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 0 46 8 0
VCDI 0 0 0 0 0 196 2760 6972
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 39 3 0
VCDI 0 0 0 0 0 203 2765 6972

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 0 0 0 0
CDI 0 0 0 0 3 0 0 0
VCDI 0 0 0 0 15 421 2016 3199
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 3 0 0 0
VCDI 0 0 0 0 15 421 2016 3199

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 3
VCDI 0 0 0 0 1 9 1142 6091
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 2
VCDI 0 0 0 0 1 9 1142 6092

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 6
VCDI 0 0 0 0 0 254 3324 1742
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 8
VCDI 0 0 0 0 0 254 3324 1740

Kara Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 176 128 1 0 0 0 0
OW 0 2 100 66 1 0 0 0
VODI 0 0 19 112 26 0 0 0
ODI 0 0 0 57 84 40 6 0
CDI 0 0 0 15 105 186 62 0
VCDI 0 0 0 1 54 638 4452 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 79 12 0 0 0 0 0
OW 0 38 16 1 0 0 0 0
VODI 0 43 53 3 0 0 0 0
ODI 0 18 97 52 6 1 6 0
CDI 0 0 54 101 107 80 62 0
VCDI 0 0 15 95 157 783 4452 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 2785 4982 535 75 1 0 0 0
OW 35 144 211 216 11 0 0 0
VODI 0 18 21 362 112 1 0 0
ODI 0 0 0 65 290 17 0 0
CDI 0 0 0 34 240 158 2 0
VCDI 0 0 0 2 152 616 246 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 2820 4924 430 83 4 0 0 0
OW 0 157 165 98 16 0 0 0
VODI 0 63 128 232 53 1 0 0
ODI 0 0 42 184 126 12 0 0
CDI 0 0 2 98 259 79 0 0
VCDI 0 0 0 59 348 700 248 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 3591 4833 361 16 0 0 0 0
OW 1 0 88 118 0 0 0 0
VODI 0 0 4 155 36 0 0 0
ODI 0 0 0 51 100 2 0 0
CDI 0 0 0 15 111 84 1 0
VCDI 0 0 0 1 65 700 1363 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 3592 4829 269 18 0 0 0 0
OW 0 4 112 49 0 0 0 0
VODI 0 0 61 95 15 0 0 0
ODI 0 0 11 102 40 1 0 0
CDI 0 0 0 81 91 25 0 0
VCDI 0 0 0 11 166 760 1364 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 6548 4603 622 369 128 75 0 0
OW 0 3 25 82 11 9 0 0
VODI 0 0 20 64 38 15 0 0
ODI 0 0 2 33 49 73 0 0
CDI 0 0 0 8 50 126 12 0
VCDI 0 0 0 0 0 20 3 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6548 4569 551 355 139 86 0 0
OW 0 24 53 36 5 15 0 0
VODI 0 12 29 61 8 12 0 0
ODI 0 1 21 51 35 28 3 0
CDI 0 0 15 51 73 128 10 0
VCDI 0 0 0 2 16 49 2 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 0 8 0 0 0 0
OW 0 0 0 17 4 0 0 0
VODI 0 0 0 35 11 0 0 0
ODI 0 0 0 22 13 3 0 0
CDI 0 0 0 23 65 28 0 0
VCDI 0 0 0 10 117 1313 3858 276
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 2 0 0 0 0
OW 0 0 0 5 3 0 0 0
VODI 0 0 0 21 6 0 0 0
ODI 0 0 0 27 12 0 0 0
CDI 0 0 0 35 27 9 0 0
VCDI 0 0 0 25 162 1335 3858 276

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 0 17 0 0
VCDI 0 0 0 0 28 1248 4815 2479
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 15 0 0
VCDI 0 0 0 0 28 1250 4815 2479

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6958 7404 916 341 6 0 0 0
OW 0 11 81 245 45 0 0 0
VODI 0 0 11 258 189 0 0 0
ODI 0 0 0 26 519 18 0 0
CDI 0 0 0 0 375 360 0 0
VCDI 0 0 0 11 281 1965 189 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6958 7411 917 353 13 0 0 0
OW 0 4 85 227 43 0 0 0
VODI 0 0 6 256 169 0 0 0
ODI 0 0 0 33 449 25 0 0
CDI 0 0 0 1 424 287 0 0
VCDI 0 0 0 11 317 2031 189 0


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