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: 2016-12-01

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2016-12-05

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 0 319 306 386 53 0 0 0
OW 0 2 9 123 44 3 0 0
VODI 0 0 0 62 108 12 0 0
ODI 0 0 0 12 132 40 0 0
CDI 0 0 0 7 119 128 0 0
VCDI 0 0 0 1 77 6252 14463 14244
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 320 253 328 75 0 0 0
OW 0 1 47 105 53 14 0 0
VODI 0 0 15 82 73 31 0 0
ODI 0 0 0 47 90 48 0 0
CDI 0 0 0 27 115 112 4 0
VCDI 0 0 0 2 127 6230 14459 14244

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 11 0 0
VCDI 0 0 0 0 0 366 1230 1526
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 6 0 0
VCDI 0 0 0 0 0 371 1230 1526

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 9 1 0
VCDI 0 0 0 0 0 68 1707 8197
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 4 0 0
VCDI 0 0 0 0 0 73 1708 8197

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 50 1412 382 18 0 0 0
OW 0 7 8 289 35 0 0 0
VODI 0 10 1 122 185 0 0 0
ODI 0 0 0 24 232 11 0 0
CDI 0 0 0 1 168 186 5 0
VCDI 0 0 0 0 53 774 1638 43
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 37 1259 240 13 0 0 0
OW 0 13 120 209 28 0 0 0
VODI 0 17 32 213 96 0 0 0
ODI 0 0 10 108 138 1 0 0
CDI 0 0 0 35 227 106 4 0
VCDI 0 0 0 13 189 864 1639 43

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 1 0 0
CDI 0 0 0 0 0 12 0 0
VCDI 0 0 0 0 0 269 1500 5464
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 26 1 0
VCDI 0 0 0 0 0 256 1499 5464

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 14 6 0 26
VCDI 0 0 0 0 11 435 2246 2588
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 1 0 0 0
CDI 0 0 0 0 12 6 1 25
VCDI 0 0 0 0 12 435 2245 2589

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 1541 1158 371 0 0 0 0
OW 0 9 45 298 11 0 0 0
VODI 0 1 3 262 129 1 0 0
ODI 0 0 0 62 203 22 0 0
CDI 0 0 0 17 278 227 26 0
VCDI 0 0 0 14 248 662 743 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 1372 624 211 0 0 0 0
OW 0 143 263 188 15 0 0 0
VODI 0 36 294 255 80 3 0 0
ODI 0 0 24 182 123 30 0 0
CDI 0 0 1 125 200 219 30 0
VCDI 0 0 0 63 451 660 739 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 934 8628 1179 223 1 0 0 0
OW 0 3 0 91 13 0 0 0
VODI 0 1 0 65 47 1 0 0
ODI 0 0 0 2 62 12 0 0
CDI 0 0 0 0 34 19 0 0
VCDI 0 0 0 0 0 16 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 934 8626 1159 154 2 0 0 0
OW 0 5 20 105 13 0 0 0
VODI 0 1 0 107 39 3 0 0
ODI 0 0 0 12 54 9 0 0
CDI 0 0 0 3 35 15 0 0
VCDI 0 0 0 0 14 21 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 1237 5952 1787 143 0 0 0 0
OW 0 0 5 129 7 0 0 0
VODI 0 0 0 118 50 2 0 0
ODI 0 0 0 34 94 7 0 0
CDI 0 0 0 0 127 66 0 0
VCDI 0 0 0 0 58 1497 383 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 1237 5952 1747 93 0 0 0 0
OW 0 0 42 117 8 0 0 0
VODI 0 0 3 134 41 4 0 0
ODI 0 0 0 58 71 5 0 0
CDI 0 0 0 22 135 65 0 0
VCDI 0 0 0 0 81 1498 383 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 5775 5291 1377 346 120 25 0 0
OW 0 0 0 22 8 1 0 0
VODI 0 0 0 5 12 1 0 0
ODI 0 0 0 0 5 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 5775 5291 1377 356 124 25 0 0
OW 0 0 0 16 12 2 0 0
VODI 0 0 0 1 9 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 0 453 269 105 0 0 0 0
OW 0 2 9 95 4 0 0 0
VODI 0 0 0 91 32 0 0 0
ODI 0 0 0 16 94 3 0 0
CDI 0 0 0 0 116 45 0 0
VCDI 0 0 0 0 151 1440 2877 1
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 423 247 59 0 0 0 0
OW 0 26 31 92 2 0 0 0
VODI 0 6 0 106 27 0 0 0
ODI 0 0 0 45 67 5 0 0
CDI 0 0 0 4 112 35 0 0
VCDI 0 0 0 1 189 1448 2877 1

Hudson Bay:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 549 4786 854 375 1 0 0 0
OW 0 73 9 236 35 0 0 0
VODI 0 3 1 145 128 0 0 0
ODI 0 0 0 67 304 3 0 0
CDI 0 0 0 0 162 83 9 0
VCDI 0 0 0 0 72 438 253 1
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 549 4800 847 460 52 0 0 0
OW 0 53 13 178 41 0 0 0
VODI 0 9 4 55 94 0 0 0
ODI 0 0 0 34 100 0 0 0
CDI 0 0 0 53 172 11 6 0
VCDI 0 0 0 43 243 513 256 1

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6630 8889 3397 263 3 0 0 0
OW 0 29 2 93 22 0 0 0
VODI 0 8 1 32 159 0 0 0
ODI 0 0 0 0 331 0 0 0
CDI 0 0 0 0 182 91 0 0
VCDI 0 0 0 0 9 68 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6630 8822 3389 276 0 0 0 0
OW 0 77 9 82 33 0 0 0
VODI 0 22 2 30 141 0 0 0
ODI 0 5 0 0 132 0 0 0
CDI 0 0 0 0 204 4 0 0
VCDI 0 0 0 0 196 155 0 0


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