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: 2016-03-10

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2016-03-14

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 0 117 129 32 1 0 0 0
OW 0 72 56 42 9 2 0 0
VODI 0 174 178 320 41 5 0 0
ODI 0 12 23 164 155 13 0 0
CDI 0 0 0 54 197 159 4 0
VCDI 0 0 0 4 146 1814 7117 25862
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 93 124 51 9 1 0 0
OW 0 49 19 36 11 7 0 0
VODI 0 53 46 38 32 9 2 0
ODI 0 118 110 245 35 19 2 0
CDI 0 62 74 119 129 59 8 0
VCDI 0 0 13 127 333 1898 7109 25862

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 62 140 160 2130 641
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 62 140 160 2130 641

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 1 408 2479 7094
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 1 408 2479 7094

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 3 0 0
VCDI 0 0 0 0 0 344 2184 3123
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 9 0 0
VCDI 0 0 0 0 0 338 2184 3123

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 1
VCDI 0 0 0 0 1 5 630 6609
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 4
VCDI 0 0 0 0 1 5 630 6606

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 6 17 23 0
VCDI 0 0 0 0 25 221 1933 3101
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 5 16 19 0
VCDI 0 0 0 0 26 222 1937 3101

Kara Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 426 45 2 0 0 0 0
OW 0 41 87 27 0 0 0 0
VODI 0 0 22 70 17 2 0 0
ODI 0 0 3 31 67 60 0 0
CDI 0 0 0 27 79 352 27 0
VCDI 0 0 0 45 161 534 3962 244
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 122 11 0 0 0 0 0
OW 0 43 11 1 0 0 0 0
VODI 0 225 18 11 1 0 0 0
ODI 0 69 76 46 11 11 0 0
CDI 0 8 21 51 83 166 24 0
VCDI 0 0 20 93 229 771 3965 244

Barents Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 3205 5422 418 20 0 0 0 0
OW 0 292 319 156 0 0 0 0
VODI 0 0 35 630 64 0 0 0
ODI 0 0 1 111 155 21 0 0
CDI 0 0 0 33 172 93 0 0
VCDI 0 0 0 0 24 146 14 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 3205 5003 297 20 0 0 0 0
OW 0 407 200 103 0 0 0 0
VODI 0 296 235 455 29 0 0 0
ODI 0 8 35 219 109 11 0 0
CDI 0 0 6 110 181 59 0 0
VCDI 0 0 0 43 96 190 14 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 4743 3949 361 81 7 0 0 0
OW 0 4 88 96 8 0 0 0
VODI 0 0 10 143 50 0 0 0
ODI 0 0 0 38 136 8 0 0
CDI 0 0 0 2 183 414 0 0
VCDI 0 0 0 0 2 607 766 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 4743 3899 294 71 7 0 0 0
OW 0 40 75 46 12 0 0 0
VODI 0 14 64 94 24 0 0 0
ODI 0 0 24 88 49 8 0 0
CDI 0 0 2 58 203 73 0 0
VCDI 0 0 0 3 91 948 766 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 6658 4777 446 272 141 8 0 0
OW 0 0 58 114 36 5 0 0
VODI 0 0 0 68 92 26 3 0
ODI 0 0 0 8 112 36 12 0
CDI 0 0 0 0 16 15 49 0
VCDI 0 0 0 0 0 3 33 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6658 4739 387 310 178 12 0 0
OW 0 38 74 18 23 25 9 0
VODI 0 0 42 64 17 16 27 0
ODI 0 0 1 61 58 17 32 0
CDI 0 0 0 9 116 21 23 0
VCDI 0 0 0 0 5 2 6 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 6 0 0
VODI 0 0 0 5 13 13 0 0
ODI 0 0 0 0 17 20 0 0
CDI 0 0 0 0 20 46 7 0
VCDI 0 0 0 0 51 959 4160 484
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 12 0 0
VODI 0 0 0 5 22 18 0 0
ODI 0 0 0 0 10 30 0 0
CDI 0 0 0 0 13 39 12 0
VCDI 0 0 0 0 56 944 4155 484

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 12 38 0 0
CDI 0 0 0 0 0 117 24 0
VCDI 0 0 0 0 45 1663 5552 1136
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 9 8 0 0
CDI 0 0 0 0 3 107 7 0
VCDI 0 0 0 0 45 1703 5569 1136

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6861 5821 690 525 237 14 0 0
OW 0 11 52 197 205 45 0 0
VODI 0 0 0 49 261 131 0 0
ODI 0 0 0 0 167 259 0 0
CDI 0 0 0 0 113 645 3 0
VCDI 0 0 0 0 171 2865 887 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6861 5708 604 530 290 38 0 0
OW 0 118 122 145 172 67 0 0
VODI 0 6 16 65 225 149 0 0
ODI 0 0 0 25 123 192 1 0
CDI 0 0 0 6 157 448 5 0
VCDI 0 0 0 0 187 3065 884 0


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