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: 2017-03-02

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2017-03-06

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 0 23 53 16 2 0 0
OW 0 0 18 19 22 18 1 0
VODI 0 0 21 32 50 25 9 0
ODI 0 2 10 35 31 32 16 0
CDI 0 1 4 21 49 81 52 0
VCDI 0 0 3 71 161 1541 7668 26815
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 7 57 29 15 0 0
OW 0 0 11 15 25 24 3 0
VODI 0 0 21 19 45 32 23 0
ODI 0 0 20 24 15 42 31 0
CDI 0 0 12 24 16 57 60 0
VCDI 0 3 8 92 199 1529 7629 26815

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 0 0 118 950 2065
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 0 0 118 950 2065

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 0 0 0
VCDI 0 0 0 0 0 0 0 9982
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 0 0 0 0 9982

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 0 0 0 0
VCDI 0 0 0 0 0 0 0 5654
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 0 0 0 0 5654

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 64
VCDI 0 0 0 0 0 0 0 7182
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 21
VCDI 0 0 0 0 0 0 0 7225

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 62
VCDI 0 0 0 0 6 65 1024 4169
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 5
CDI 0 0 0 0 0 0 0 74
VCDI 0 0 0 0 6 65 1024 4152

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 25 84 13 0 0 0 0
OW 0 1 13 11 0 0 0 0
VODI 0 0 7 21 3 3 0 0
ODI 0 0 1 26 8 7 1 0
CDI 0 0 0 28 48 34 67 4
VCDI 0 0 0 3 71 181 3599 2072
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 24 75 10 0 0 0 0
OW 0 2 15 4 0 0 0 0
VODI 0 0 12 10 1 0 0 0
ODI 0 0 2 15 3 4 0 0
CDI 0 0 1 19 6 28 134 16
VCDI 0 0 0 44 120 193 3533 2060

Barents Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 1214 4339 1891 474 47 0 0 0
OW 0 8 10 212 60 10 0 0
VODI 0 2 3 124 151 25 0 0
ODI 0 1 0 29 226 67 0 0
CDI 0 0 0 15 175 342 11 0
VCDI 0 0 0 7 87 877 924 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 1214 4333 1875 521 97 16 0 0
OW 0 11 20 155 74 25 0 0
VODI 0 5 7 112 125 71 1 0
ODI 0 0 2 37 172 86 5 0
CDI 0 0 0 20 170 278 16 0
VCDI 0 1 0 16 108 845 913 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 1675 5341 1040 270 7 0 0 0
OW 0 0 1 174 13 0 0 0
VODI 0 0 0 124 75 0 0 0
ODI 0 0 0 35 157 9 0 0
CDI 0 0 0 14 119 322 3 0
VCDI 0 0 0 2 40 352 1882 41
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 1675 5341 1022 290 10 0 0 0
OW 0 0 17 144 51 0 0 0
VODI 0 0 2 98 114 9 0 0
ODI 0 0 0 49 89 49 0 0
CDI 0 0 0 35 96 356 40 0
VCDI 0 0 0 3 51 269 1845 41

Southeast Greenland:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6525 4874 527 232 52 17 0 0
OW 0 0 14 96 21 16 0 0
VODI 0 0 0 81 60 20 1 0
ODI 0 0 0 14 87 32 8 0
CDI 0 0 0 0 34 175 97 0
VCDI 0 0 0 0 0 1 4 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6525 4874 503 285 78 30 0 0
OW 0 0 38 58 47 24 1 0
VODI 0 0 0 65 43 34 12 0
ODI 0 0 0 15 56 64 34 0
CDI 0 0 0 0 30 109 63 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 0 0 3 16 8 0 0
OW 0 0 0 4 7 6 0 0
VODI 0 0 0 0 7 17 0 0
ODI 0 0 0 0 10 20 0 0
CDI 0 0 0 0 14 37 0 0
VCDI 0 0 0 0 3 334 2871 2446
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 13 9 0 0
OW 0 0 0 4 8 12 0 0
VODI 0 0 0 1 8 16 0 0
ODI 0 0 0 0 7 18 0 0
CDI 0 0 0 0 18 28 0 0
VCDI 0 0 0 0 3 339 2871 2446

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 32 0 0
CDI 0 0 0 0 0 70 13 7
VCDI 0 0 0 0 0 363 3287 4815
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 28 0 0
CDI 0 0 0 0 0 68 6 2
VCDI 0 0 0 0 0 369 3294 4820

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5060 8064 1576 523 86 8 0 0
OW 0 78 161 393 127 13 0 0
VODI 0 0 0 92 439 56 0 0
ODI 0 1 0 5 232 181 4 0
CDI 0 2 0 1 61 422 143 0
VCDI 0 0 0 0 22 835 1624 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5060 8142 1695 698 201 24 0 0
OW 0 0 42 241 228 38 0 0
VODI 0 0 0 71 259 129 6 0
ODI 0 3 0 4 179 166 72 0
CDI 0 0 0 0 78 321 130 0
VCDI 0 0 0 0 22 837 1563 0


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