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: 2016-04-21

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2016-04-25

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 0 0 0
VODI 0 0 0 0 7 3 0 0
ODI 0 0 0 9 17 3 0 0
CDI 0 0 0 12 25 39 21 0
VCDI 0 0 0 13 182 1301 5522 29748
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 2 0 0 0
VODI 0 0 0 0 4 4 0 0
ODI 0 0 0 2 14 4 2 0
CDI 0 0 0 18 15 37 39 0
VCDI 0 0 0 14 196 1301 5502 29748

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 3 9 17 0
VCDI 0 0 0 33 127 191 2334 419
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 3 7 29 0
VCDI 0 0 0 33 127 193 2322 419

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 41 0 0 0 0
VODI 0 0 0 87 5 0 0 0
ODI 0 0 0 74 32 6 0 0
CDI 0 0 0 210 38 37 37 0
VCDI 0 0 0 173 356 908 4305 3673
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 9 0 0 0 0
VODI 0 0 0 61 4 0 0 0
ODI 0 0 0 66 32 8 1 0
CDI 0 0 0 151 25 33 50 0
VCDI 0 0 0 298 370 910 4291 3673

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 36 0 0 0
ODI 0 0 0 0 75 3 0 0
CDI 0 0 0 0 65 49 0 0
VCDI 0 0 0 0 42 277 2357 2750
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 13 0 0 0
ODI 0 0 0 0 56 3 0 0
CDI 0 0 0 0 73 38 0 0
VCDI 0 0 0 0 76 288 2357 2750

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 0 415 6829
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 0 415 6830

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 1 0
CDI 0 0 0 0 0 132 39 0
VCDI 0 0 0 0 0 746 3344 1061
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 29 5 0
CDI 0 0 0 0 0 147 68 0
VCDI 0 0 0 0 0 705 3311 1061

Kara Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 431 49 12 0 0 0 0
OW 0 5 37 20 1 0 0 0
VODI 0 2 28 53 47 4 0 0
ODI 0 0 14 57 150 108 0 0
CDI 0 0 0 57 336 775 46 0
VCDI 0 0 0 0 102 1452 2545 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 334 16 8 0 0 0 0
OW 0 47 4 15 0 0 0 0
VODI 0 41 21 14 21 1 0 0
ODI 0 14 34 24 83 70 0 0
CDI 0 2 40 38 230 414 20 0
VCDI 0 0 13 100 302 1854 2571 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 2721 5570 687 214 17 0 0 0
OW 0 0 29 237 37 3 0 0
VODI 0 0 1 221 52 1 0 0
ODI 0 0 0 76 160 21 0 0
CDI 0 0 0 39 520 161 0 0
VCDI 0 0 0 2 401 161 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 2721 5451 490 167 31 3 0 0
OW 0 104 167 145 31 0 0 0
VODI 0 15 50 250 25 1 0 0
ODI 0 0 10 117 95 18 0 0
CDI 0 0 0 96 307 137 0 0
VCDI 0 0 0 14 698 188 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 5089 3203 329 128 1 0 0 0
OW 0 0 23 110 24 0 0 0
VODI 0 0 1 85 86 0 0 0
ODI 0 0 0 51 87 19 0 0
CDI 0 0 0 26 192 234 6 0
VCDI 0 0 0 0 21 510 1471 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5089 3201 260 131 14 0 0 0
OW 0 2 60 61 33 0 0 0
VODI 0 0 33 65 83 3 0 0
ODI 0 0 0 72 46 34 0 0
CDI 0 0 0 71 172 207 47 0
VCDI 0 0 0 0 63 519 1430 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 7290 3758 526 553 83 0 0 0
OW 0 0 0 112 65 0 0 0
VODI 0 0 0 52 134 0 0 0
ODI 0 0 0 2 185 99 0 0
CDI 0 0 0 0 6 123 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 7290 3758 526 594 124 0 0 0
OW 0 0 0 98 84 1 0 0
VODI 0 0 0 27 179 52 0 0
ODI 0 0 0 0 72 77 0 0
CDI 0 0 0 0 14 92 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 0 153 75 69 0 0 0 0
OW 0 0 17 70 7 0 0 0
VODI 0 0 0 44 97 0 0 0
ODI 0 0 0 33 149 7 0 0
CDI 0 0 0 13 226 106 0 0
VCDI 0 0 0 6 143 1707 2815 66
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 141 56 71 0 0 0 0
OW 0 11 14 29 15 0 0 0
VODI 0 1 16 40 64 0 0 0
ODI 0 0 6 22 85 0 0 0
CDI 0 0 0 49 153 20 0 0
VCDI 0 0 0 24 305 1800 2815 66

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 86 0 0 0
CDI 0 0 0 0 115 71 0 0
VCDI 0 0 0 0 147 1237 4579 2352
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 81 0 0 0
CDI 0 0 0 0 112 69 2 0
VCDI 0 0 0 0 155 1239 4577 2352

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 8062 6445 719 890 162 0 0 0
OW 0 6 29 378 336 0 0 0
VODI 0 0 0 30 535 2 0 0
ODI 0 0 0 0 279 113 0 0
CDI 0 0 0 8 129 739 3 0
VCDI 0 0 0 4 42 857 441 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 8062 6451 738 1123 215 0 0 0
OW 0 0 10 159 380 0 0 0
VODI 0 0 0 16 487 10 0 0
ODI 0 0 0 0 204 77 0 0
CDI 0 0 0 0 134 450 0 0
VCDI 0 0 0 12 63 1174 444 0


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