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: 2016-02-25

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2016-02-29

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 0 114 117 41 10 0 0 0
OW 0 0 43 40 13 1 0 0
VODI 0 0 21 44 27 12 0 0
ODI 0 0 10 45 97 47 0 0
CDI 0 0 18 46 176 317 10 0
VCDI 0 0 1 57 281 2961 6648 25705
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 97 92 41 10 0 0 0
OW 0 12 17 25 14 6 0 0
VODI 0 5 38 23 28 25 0 0
ODI 0 0 23 23 16 24 0 0
CDI 0 0 16 58 151 143 9 0
VCDI 0 0 24 103 385 3140 6649 25705

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 33 166 230 2273 431
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 33 166 230 2273 431

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 4 2 0 0
CDI 0 0 0 3 55 32 3 3
VCDI 0 0 0 19 164 841 2994 5862
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 2 0 0 0
CDI 0 0 0 0 48 27 0 2
VCDI 0 0 0 22 173 848 2997 5863

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 4 1 0 0
VCDI 0 0 0 0 12 139 1887 3611
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 1 8 0 0
VCDI 0 0 0 0 15 132 1887 3611

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 0
VCDI 0 0 0 0 1 9 1082 6154
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 1 9 1082 6154

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 3 6 0
CDI 0 0 0 0 0 51 69 0
VCDI 0 0 0 0 0 472 3071 1654
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 2 0
CDI 0 0 0 0 0 30 55 0
VCDI 0 0 0 0 0 496 3089 1654

Kara Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 169 15 0 0 0 0 0
OW 0 55 17 8 0 0 0 0
VODI 0 97 47 28 5 0 0 0
ODI 0 12 53 109 72 28 0 0
CDI 0 0 10 39 85 329 14 0
VCDI 0 0 0 45 142 2216 2736 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 111 12 0 0 0 0 0
OW 0 25 2 0 0 0 0 0
VODI 0 37 6 0 0 0 0 0
ODI 0 72 26 11 12 17 0 0
CDI 0 88 77 122 74 171 3 0
VCDI 0 0 19 96 218 2385 2747 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 1662 6034 577 92 0 0 0 0
OW 0 173 253 187 3 0 0 0
VODI 0 41 145 450 122 0 0 0
ODI 0 0 1 137 775 26 0 0
CDI 0 0 0 1 236 114 0 0
VCDI 0 0 0 0 60 233 9 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 1662 5899 547 117 0 0 0 0
OW 0 227 181 158 10 0 0 0
VODI 0 93 155 342 185 0 0 0
ODI 0 29 59 138 438 12 0 0
CDI 0 0 28 81 286 84 2 0
VCDI 0 0 6 31 277 277 7 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 3122 5574 379 34 0 0 0 0
OW 0 14 68 65 0 0 0 0
VODI 0 9 24 115 7 0 0 0
ODI 0 0 17 67 49 0 0 0
CDI 0 0 3 42 183 68 0 0
VCDI 0 0 0 0 49 606 1201 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 3122 5546 339 34 0 0 0 0
OW 0 30 59 58 0 0 0 0
VODI 0 14 57 79 4 0 0 0
ODI 0 7 13 62 36 0 0 0
CDI 0 0 23 69 97 1 0 0
VCDI 0 0 0 21 151 673 1201 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 6742 4743 450 80 44 0 0 0
OW 0 25 58 105 14 0 0 0
VODI 0 0 26 66 57 16 0 0
ODI 0 0 7 36 50 40 8 0
CDI 0 0 0 18 94 138 73 0
VCDI 0 0 0 0 2 25 71 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6742 4702 394 99 56 2 0 0
OW 0 44 60 46 7 12 6 0
VODI 0 22 43 58 37 15 30 0
ODI 0 0 28 35 40 33 25 0
CDI 0 0 16 48 66 123 88 0
VCDI 0 0 0 19 55 34 3 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 13 4 1 0 0 0
OW 0 0 3 31 4 0 0 0
VODI 0 0 0 56 10 4 0 0
ODI 0 0 0 41 16 16 0 0
CDI 0 0 0 30 45 34 1 0
VCDI 0 0 0 37 189 741 4069 458
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 9 0 0 0 0 0
OW 0 0 5 9 4 0 0 0
VODI 0 0 2 35 7 7 0 0
ODI 0 0 0 38 8 15 0 0
CDI 0 0 0 56 20 25 4 0
VCDI 0 0 0 61 226 748 4066 458

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 44 0 0
VCDI 0 0 0 0 8 557 5815 2163
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 7 0 0
CDI 0 0 0 0 0 75 24 0
VCDI 0 0 0 0 8 519 5791 2163

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5812 6565 1092 561 71 0 0 0
OW 0 82 135 256 160 0 0 0
VODI 0 0 26 238 325 14 0 0
ODI 0 0 0 59 535 53 0 0
CDI 0 0 0 8 456 338 0 0
VCDI 0 0 0 0 139 1758 1526 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5812 6647 1129 618 90 0 0 0
OW 0 0 48 160 154 9 0 0
VODI 0 0 67 182 264 21 0 0
ODI 0 0 9 103 428 52 0 0
CDI 0 0 0 30 363 253 0 0
VCDI 0 0 0 29 387 1828 1526 0


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