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: 2018-06-28

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2018-07-02

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 13 1297 10 95 2 0 0 0
OW 0 99 10 133 17 0 0 0
VODI 0 17 9 297 167 1 0 0
ODI 0 0 0 51 1016 155 0 0
CDI 0 0 0 0 171 4272 268 0
VCDI 0 0 0 0 0 9905 11252 7645
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 13 1318 17 250 178 97 0 0
OW 0 72 7 126 228 22 0 0
VODI 0 22 5 125 571 119 0 0
ODI 0 1 0 67 282 857 0 0
CDI 0 0 0 8 114 5394 901 0
VCDI 0 0 0 0 0 7844 10619 7645

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 0 187 8 28 30 3 0 0
OW 0 0 0 4 10 2 0 0
VODI 0 0 0 11 25 9 0 0
ODI 0 0 0 3 53 19 1 0
CDI 0 0 0 0 257 432 24 0
VCDI 0 0 0 0 457 1102 468 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 187 8 31 37 5 0 0
OW 0 0 0 3 12 11 0 0
VODI 0 0 0 5 22 17 0 0
ODI 0 0 0 3 11 19 3 0
CDI 0 0 0 4 187 143 4 0
VCDI 0 0 0 0 563 1372 486 0

Beaufort Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 632 25 78 6 0 0 0
OW 0 63 9 32 1 0 0 0
VODI 0 26 2 114 43 0 0 0
ODI 0 30 0 19 247 10 0 0
CDI 0 50 7 95 1378 977 14 0
VCDI 0 0 0 0 258 4135 1581 150
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 449 21 69 6 0 0 0
OW 0 90 3 15 3 0 0 0
VODI 0 63 7 70 39 0 0 0
ODI 0 31 4 68 142 15 0 0
CDI 0 101 3 82 1040 349 24 0
VCDI 0 67 5 34 703 4758 1571 150

Chuckchi Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 635 1884 34 107 0 0 0 0
OW 4 31 16 155 4 0 0 0
VODI 0 12 3 256 156 0 0 0
ODI 0 7 3 42 499 25 0 0
CDI 0 0 0 2 163 1282 0 0
VCDI 0 0 0 0 21 313 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 637 1730 28 112 4 0 0 0
OW 2 97 11 105 20 0 0 0
VODI 0 59 7 207 154 0 0 0
ODI 0 23 4 83 259 17 0 0
CDI 0 25 6 55 378 878 0 0
VCDI 0 0 0 0 28 725 0 0

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 41 1 10 0 0 0 0
OW 0 13 5 13 0 0 0 0
VODI 0 3 3 80 85 0 0 0
ODI 0 0 0 25 853 29 0 0
CDI 0 0 0 1 496 1321 6 0
VCDI 0 0 0 8 62 2784 1407 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 21 0 6 0 0 0 0
OW 0 20 3 11 0 0 0 0
VODI 0 13 3 33 25 0 0 0
ODI 0 3 3 51 209 31 0 0
CDI 0 0 0 28 1006 833 13 0
VCDI 0 0 0 8 256 3270 1400 0

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 1928 57 232 138 0 0 0
OW 0 53 30 204 112 0 0 0
VODI 0 10 4 228 320 17 0 0
ODI 0 4 3 66 1026 55 0 0
CDI 0 5 0 0 40 794 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 1913 72 405 484 13 0 0
OW 0 75 14 168 425 39 0 0
VODI 0 3 5 97 510 191 0 0
ODI 0 2 1 40 210 422 0 0
CDI 0 7 2 20 7 201 0 0
VCDI 0 0 0 0 0 0 0 0

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 1712 42 294 135 60 0 0
OW 0 127 31 307 156 106 0 0
VODI 0 48 8 395 626 122 0 0
ODI 0 0 0 3 2081 58 0 0
CDI 0 0 0 0 4 16 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 1797 68 655 662 331 0 0
OW 0 90 13 297 665 7 0 0
VODI 0 0 0 47 1154 22 0 0
ODI 0 0 0 0 512 1 0 0
CDI 0 0 0 0 9 1 0 0
VCDI 0 0 0 0 0 0 0 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 8930 2052 22 68 16 0 0 0
OW 0 0 0 50 15 1 0 0
VODI 0 0 0 9 59 1 0 0
ODI 0 0 0 0 108 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 8930 2050 20 116 35 0 0 0
OW 0 2 2 11 62 2 0 0
VODI 0 0 0 0 76 0 0 0
ODI 0 0 0 0 25 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 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 7055 2654 36 190 1 0 0 0
OW 0 18 5 175 22 2 0 0
VODI 0 0 0 108 202 3 3 0
ODI 0 0 0 8 494 98 7 0
CDI 0 0 0 0 44 365 61 0
VCDI 0 0 0 0 0 6 139 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 7055 2672 41 433 139 2 0 0
OW 0 0 0 31 198 11 5 0
VODI 0 0 0 17 248 165 13 0
ODI 0 0 0 0 172 197 129 0
CDI 0 0 0 0 6 99 63 0
VCDI 0 0 0 0 0 0 0 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 12981 1 0 0 0 0 0 0
OW 6 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 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 12981 1 0 0 0 0 0 0
OW 6 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 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 1 2450 72 426 54 13 0 0
OW 0 59 19 374 76 17 0 0
VODI 0 13 5 279 391 24 0 0
ODI 0 0 0 1 625 229 0 0
CDI 0 0 0 0 11 663 1 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 1 2508 88 941 415 100 0 0
OW 0 14 8 104 206 59 0 0
VODI 0 0 0 35 276 124 0 0
ODI 0 0 0 0 194 237 1 0
CDI 0 0 0 0 66 426 0 0
VCDI 0 0 0 0 0 0 0 0

Hudson Bay:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 287 2319 98 756 348 24 0 0
OW 0 37 7 163 332 20 1 0
VODI 0 8 3 123 727 37 2 0
ODI 0 4 1 14 2073 335 3 0
CDI 0 0 0 34 181 288 28 0
VCDI 0 0 0 8 67 140 119 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 287 2295 102 936 2809 173 11 0
OW 0 26 3 61 317 201 4 0
VODI 0 23 1 33 278 123 12 0
ODI 0 16 0 10 107 129 7 0
CDI 0 8 3 36 104 102 0 0
VCDI 0 0 0 22 113 116 119 0

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 16364 2459 49 452 119 0 0 0
OW 0 19 11 128 38 0 0 0
VODI 0 0 0 92 131 1 0 0
ODI 0 0 0 0 260 32 0 0
CDI 0 0 0 0 5 49 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 16364 2429 53 562 221 1 0 0
OW 0 37 3 62 65 10 0 0
VODI 0 12 4 48 194 19 0 0
ODI 0 0 0 0 69 30 0 0
CDI 0 0 0 0 4 22 0 0
VCDI 0 0 0 0 0 0 0 0


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