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: 2016-10-13

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2016-10-17

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 0 833 457 227 6 0 0 0
OW 0 80 389 214 23 0 0 0
VODI 0 3 46 970 147 0 0 0
ODI 0 0 0 52 970 32 0 0
CDI 0 0 0 17 321 1004 8 0
VCDI 0 0 0 0 43 7637 16827 6596
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 763 274 202 33 0 0 0
OW 0 141 335 98 25 0 0 0
VODI 0 12 283 812 127 9 0 0
ODI 0 0 0 315 513 56 0 0
CDI 0 0 0 50 539 469 29 0
VCDI 0 0 0 3 273 8139 16806 6596

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 0 231 43 96 0 0 0 0
OW 0 57 31 28 0 0 0 0
VODI 0 49 29 13 2 1 0 0
ODI 0 0 0 19 110 13 0 0
CDI 0 0 0 0 83 172 5 0
VCDI 0 0 0 0 1 157 1111 882
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 215 41 110 0 0 0 0
OW 0 0 0 10 0 0 0 0
VODI 0 44 20 0 9 3 0 0
ODI 0 45 27 20 27 32 0 0
CDI 0 32 15 16 143 142 0 0
VCDI 0 1 0 0 17 166 1116 882

Beaufort Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 19 2657 269 90 0 0 0 0
OW 0 185 432 190 1 0 0 0
VODI 0 44 194 500 21 0 0 0
ODI 0 0 0 125 363 25 0 0
CDI 0 0 0 0 75 451 5 0
VCDI 0 0 0 0 0 185 2320 1831
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 19 2563 220 214 4 0 0 0
OW 0 221 242 112 0 0 0 0
VODI 0 98 322 141 17 2 0 0
ODI 0 4 111 318 140 67 17 0
CDI 0 0 0 120 273 292 190 0
VCDI 0 0 0 0 26 300 2118 1831

Chuckchi Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 586 3787 242 0 0 0 0 0
OW 0 574 270 97 0 0 0 0
VODI 0 60 14 24 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 586 4241 232 0 0 0 0 0
OW 0 180 274 72 0 0 0 0
VODI 0 0 20 49 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

Siberian Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 229 3216 120 1 0 0 0 0
OW 0 937 318 109 0 0 0 0
VODI 0 155 219 484 12 0 0 0
ODI 0 15 0 33 234 36 10 0
CDI 0 0 0 0 49 292 14 0
VCDI 0 0 0 0 0 114 649 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 169 2944 58 1 0 0 0 0
OW 60 551 200 83 0 0 0 0
VODI 0 743 290 256 0 2 2 0
ODI 0 63 103 270 130 29 11 0
CDI 0 22 6 17 165 197 20 0
VCDI 0 0 0 0 0 214 640 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 0 895 293 15 0 0 0 0
OW 0 319 316 184 1 0 0 0
VODI 0 205 304 1048 108 0 0 0
ODI 0 4 0 96 672 9 0 0
CDI 0 0 0 8 70 261 31 0
VCDI 0 0 0 0 1 251 235 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 587 243 42 1 0 0 0
OW 0 221 126 81 0 0 0 0
VODI 0 452 376 573 127 0 0 0
ODI 0 162 168 624 463 10 0 0
CDI 0 1 0 31 249 159 8 0
VCDI 0 0 0 0 12 352 258 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 65 5419 784 32 0 0 0 0
OW 0 11 7 12 0 0 0 0
VODI 0 0 0 1 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 65 5393 763 30 0 0 0 0
OW 0 35 24 4 0 0 0 0
VODI 0 2 4 11 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

Barents Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 7321 3641 321 48 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 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 7321 3641 321 48 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 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 5719 3065 528 288 12 0 0 0
OW 0 0 11 147 65 0 0 0
VODI 0 0 0 44 95 3 0 0
ODI 0 0 0 16 99 17 0 0
CDI 0 0 0 9 63 242 4 0
VCDI 0 0 0 0 6 215 1048 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5719 3065 519 291 54 0 0 0
OW 0 0 16 89 65 3 0 0
VODI 0 0 4 69 88 25 0 0
ODI 0 0 0 32 42 35 0 0
CDI 0 0 0 20 73 113 0 0
VCDI 0 0 0 3 18 301 1052 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 9471 3353 164 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 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 9471 3353 164 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 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 452 4140 379 69 0 0 0 0
OW 0 121 93 109 2 0 0 0
VODI 0 50 37 139 0 0 0 0
ODI 0 1 0 25 34 6 0 0
CDI 0 0 0 2 34 6 0 0
VCDI 0 0 0 0 10 93 1 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 452 4040 315 64 0 0 0 0
OW 0 161 78 49 0 0 0 0
VODI 0 78 105 171 2 2 0 0
ODI 0 29 11 51 14 3 0 0
CDI 0 4 0 9 46 5 0 0
VCDI 0 0 0 0 18 95 1 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 2509 5560 409 92 0 0 0 0
OW 0 2 0 15 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 2509 5311 404 98 0 0 0 0
OW 0 250 5 9 0 0 0 0
VODI 0 1 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

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 17790 2311 90 18 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 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 17790 2311 90 18 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 0 0 0 0


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