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: 2017-03-30

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2017-04-03

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 0 0 0 0 0 0
OW 0 0 0 0 0 3 0 0
VODI 0 0 0 0 0 7 1 0
ODI 0 0 0 0 1 13 8 0
CDI 0 0 0 0 1 23 44 0
VCDI 0 0 0 0 10 281 5091 31419
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 2 0 0
OW 0 0 0 0 0 7 3 0
VODI 0 0 0 0 0 12 16 0
ODI 0 0 0 0 1 7 34 0
CDI 0 0 0 0 1 16 56 0
VCDI 0 0 0 0 10 283 5035 31419

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 76 413 2644
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 76 413 2644

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 16
VCDI 0 0 0 0 0 0 0 5638
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 0 0 0 5649

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 5 35 12
VCDI 0 0 0 0 5 442 3565 3182
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 40 0
CDI 0 0 0 0 0 3 127 16
VCDI 0 0 0 0 5 444 3433 3178

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 17 1 0
CDI 0 0 0 0 0 107 74 0
VCDI 0 0 0 0 0 434 2883 1810
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 15 2 0
CDI 0 0 0 0 0 94 96 2
VCDI 0 0 0 0 0 449 2860 1808

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 27 47 20 0 0 0 0
OW 0 1 0 133 4 0 0 0
VODI 0 0 0 241 51 0 0 0
ODI 0 0 0 90 200 28 1 0
CDI 0 0 0 11 129 206 31 0
VCDI 0 0 0 4 84 713 4161 149
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 28 44 15 0 0 0 0
OW 0 0 1 40 0 0 0 0
VODI 0 0 2 208 32 1 0 0
ODI 0 0 0 133 158 96 4 0
CDI 0 0 0 76 104 138 53 0
VCDI 0 0 0 27 174 712 4136 149

Barents Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 425 4881 1893 575 191 31 1 0
OW 0 1 2 170 69 37 3 0
VODI 0 3 0 101 102 63 7 0
ODI 0 0 0 10 107 65 17 0
CDI 0 0 0 8 117 182 28 0
VCDI 0 0 0 32 101 1096 1013 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 425 4863 1846 471 233 53 2 0
OW 0 18 44 135 48 45 5 0
VODI 0 3 5 173 47 72 12 0
ODI 0 1 0 67 97 64 19 0
CDI 0 0 0 18 147 140 38 0
VCDI 0 0 0 32 115 1100 993 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 417 4923 2236 345 30 0 0 0
OW 0 2 13 120 38 10 0 0
VODI 0 0 7 82 77 10 0 0
ODI 0 0 0 40 102 17 0 0
CDI 0 0 0 11 151 73 12 1
VCDI 0 0 0 0 52 605 2321 1
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 417 4916 2174 320 45 6 0 0
OW 0 9 42 90 39 11 0 0
VODI 0 0 35 72 69 10 1 0
ODI 0 0 5 67 72 16 4 0
CDI 0 0 0 49 129 72 14 0
VCDI 0 0 0 0 96 600 2314 2

Southeast Greenland:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5438 3567 2711 331 48 7 0 0
OW 0 0 9 124 22 9 0 0
VODI 0 0 0 84 43 15 0 0
ODI 0 0 0 52 46 30 2 0
CDI 0 0 0 7 133 95 26 0
VCDI 0 0 0 0 31 48 110 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5438 3567 2679 299 62 7 0 0
OW 0 0 41 78 25 13 0 0
VODI 0 0 0 97 30 24 0 0
ODI 0 0 0 70 30 25 9 0
CDI 0 0 0 47 79 79 42 0
VCDI 0 0 0 7 97 56 87 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 0 0 1 0 0
OW 0 0 0 0 1 2 0 0
VODI 0 0 0 0 5 4 0 0
ODI 0 0 0 0 6 10 0 0
CDI 0 0 0 0 13 26 1 0
VCDI 0 0 0 0 52 588 3298 1796
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 2 0 0
OW 0 0 0 0 1 1 0 0
VODI 0 0 0 0 4 6 0 0
ODI 0 0 0 0 4 9 0 0
CDI 0 0 0 0 11 20 1 0
VCDI 0 0 0 0 57 593 3298 1796

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 17 0 0
CDI 0 0 0 0 0 145 41 0
VCDI 0 0 0 0 0 772 5999 1613
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 13 14 0
CDI 0 0 0 0 0 182 119 0
VCDI 0 0 0 0 0 739 5907 1613

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5272 7201 2080 492 64 10 0 0
OW 0 0 50 388 141 29 0 0
VODI 0 0 0 83 410 64 1 0
ODI 0 0 0 3 217 252 18 0
CDI 0 0 0 0 34 550 113 0
VCDI 0 0 0 0 14 840 1883 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5272 7201 2130 841 240 32 0 0
OW 0 0 0 106 271 48 4 0
VODI 0 0 0 13 261 150 36 0
ODI 0 0 0 4 74 273 39 0
CDI 0 0 0 2 17 390 148 0
VCDI 0 0 0 0 17 852 1788 0


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