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: 2017-02-09

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2017-02-13

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 66 237 235 26 0 0 0
OW 0 4 92 102 36 0 0 0
VODI 0 0 144 114 59 3 0 0
ODI 0 0 18 85 93 13 0 0
CDI 0 0 7 65 127 61 0 0
VCDI 0 0 0 84 305 2787 8392 23747
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 59 215 241 36 0 0 0
OW 0 7 64 81 41 2 0 0
VODI 0 3 83 84 52 12 0 0
ODI 0 1 64 63 69 13 0 0
CDI 0 0 45 70 102 52 0 0
VCDI 0 0 27 146 346 2785 8392 23747

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 0 0 16 691 2426
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 0 16 691 2426

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 6
VCDI 0 0 0 0 0 0 7 9969
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 0 0 7 9975

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 10 0 0
VCDI 0 0 0 0 0 51 1218 4375
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 10 0 0
VCDI 0 0 0 0 0 51 1218 4375

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 6 1 0
CDI 0 0 0 0 0 33 77 13
VCDI 0 0 0 0 0 219 3322 3575
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 5 2 0
CDI 0 0 0 0 0 34 81 10
VCDI 0 0 0 0 0 219 3317 3578

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 19 54 6 0
VCDI 0 0 0 0 75 458 2516 2198
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 17 45 4 0
VCDI 0 0 0 0 77 466 2518 2198

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 71 129 73 0 0 0 0
OW 0 0 23 93 1 0 0 0
VODI 0 0 2 108 23 0 0 0
ODI 0 0 0 44 224 16 0 0
CDI 0 0 0 14 275 196 22 0
VCDI 0 0 0 3 162 1718 3134 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 69 77 30 0 0 0 0
OW 0 2 46 62 0 0 0 0
VODI 0 0 26 94 5 0 0 0
ODI 0 0 5 70 45 16 0 0
CDI 0 0 0 54 265 92 27 0
VCDI 0 0 0 25 370 1822 3129 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 146 6066 2668 215 1 0 0 0
OW 0 28 56 188 15 0 0 0
VODI 0 13 50 434 93 0 0 0
ODI 0 2 0 149 208 17 0 0
CDI 0 0 0 17 156 96 0 0
VCDI 0 0 0 11 149 393 160 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 146 5995 2603 164 0 0 0 0
OW 0 68 90 158 11 0 0 0
VODI 0 32 54 287 71 0 0 0
ODI 0 14 23 249 137 14 0 0
CDI 0 0 4 96 198 56 0 0
VCDI 0 0 0 60 205 436 160 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 242 4453 3640 257 7 0 0 0
OW 0 0 21 138 24 0 0 0
VODI 0 0 2 144 98 0 0 0
ODI 0 0 0 27 245 9 1 0
CDI 0 0 0 4 178 380 33 0
VCDI 0 0 0 0 9 1347 437 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 242 4453 3603 247 12 0 0 0
OW 0 0 44 113 38 0 0 0
VODI 0 0 15 116 101 3 0 0
ODI 0 0 1 76 157 26 0 0
CDI 0 0 0 18 203 175 9 0
VCDI 0 0 0 0 50 1532 462 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 6154 4658 943 457 139 26 0 0
OW 0 10 28 127 50 18 3 0
VODI 0 0 0 26 77 36 8 0
ODI 0 0 0 2 134 27 1 0
CDI 0 0 0 0 37 27 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 6154 4668 970 575 200 52 7 0
OW 0 0 1 26 67 38 4 0
VODI 0 0 0 9 80 39 1 0
ODI 0 0 0 2 79 5 0 0
CDI 0 0 0 0 11 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 0 3 7 0 0 0 0
OW 0 0 1 13 1 1 0 0
VODI 0 0 0 20 13 12 1 0
ODI 0 0 0 8 2 8 7 0
CDI 0 0 0 5 6 9 14 0
VCDI 0 0 0 0 17 522 3465 1668
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 1 0 0 0 0
OW 0 0 2 1 0 1 0 0
VODI 0 0 2 13 6 11 4 0
ODI 0 0 0 11 4 6 8 0
CDI 0 0 0 12 3 9 15 0
VCDI 0 0 0 15 26 525 3460 1668

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 0 0 0 0
CDI 0 0 0 0 0 18 43 20
VCDI 0 0 0 0 0 424 3346 4736
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 35 47 29
VCDI 0 0 0 0 0 407 3342 4727

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 3901 7931 2157 673 99 0 0 0
OW 0 0 0 164 173 14 0 0
VODI 0 0 0 75 256 48 0 0
ODI 0 0 0 3 210 137 4 0
CDI 0 0 0 0 86 615 17 0
VCDI 0 0 0 0 16 1907 1723 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 3901 7931 2152 763 215 9 0 0
OW 0 0 5 114 169 36 0 0
VODI 0 0 0 33 243 114 0 0
ODI 0 0 0 5 103 200 4 0
CDI 0 0 0 0 83 462 39 0
VCDI 0 0 0 0 27 1900 1701 0


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