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: 2017-01-12

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2017-01-16

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 0 256 405 257 10 0 0 0
OW 0 0 20 158 22 0 0 0
VODI 0 0 2 155 73 5 0 0
ODI 0 0 0 60 152 21 0 0
CDI 0 0 0 26 255 100 2 0
VCDI 0 0 0 6 331 2749 8850 22987
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 256 356 210 14 0 0 0
OW 0 0 47 86 23 0 0 0
VODI 0 0 18 133 37 5 0 0
ODI 0 0 4 124 70 20 0 0
CDI 0 0 2 52 226 62 0 0
VCDI 0 0 0 57 473 2788 8852 22987

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 3
VCDI 0 0 0 0 0 60 133 2937
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 3
VCDI 0 0 0 0 0 60 133 2937

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 0
VCDI 0 0 0 0 0 86 2300 7596
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 86 2300 7596

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 0 569 2732 2343
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 0 568 2732 2343

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 14 55 11
VCDI 0 0 0 0 0 46 2426 4694
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 45 11
VCDI 0 0 0 0 0 49 2436 4694

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 2 1 0 0 0
CDI 0 0 0 11 27 11 10 3
VCDI 0 0 0 14 184 417 1552 3094
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 3 12 11 14 5
VCDI 0 0 0 24 200 417 1548 3092

Kara Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 432 408 82 0 0 0 0
OW 0 142 200 274 43 0 0 0
VODI 0 8 51 353 113 0 0 0
ODI 0 1 7 73 137 44 0 0
CDI 0 0 1 41 109 324 15 0
VCDI 0 0 0 35 114 1354 1970 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 230 115 64 2 0 0 0
OW 0 54 60 60 14 0 0 0
VODI 0 127 176 86 66 4 0 0
ODI 0 94 106 135 46 27 0 0
CDI 0 62 148 234 51 144 15 0
VCDI 0 16 62 279 337 1547 1970 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 4147 4728 662 330 0 0 0 0
OW 0 6 31 154 27 0 0 0
VODI 0 0 4 161 110 0 0 0
ODI 0 0 0 22 299 5 0 0
CDI 0 0 0 6 95 90 0 0
VCDI 0 0 0 5 37 215 197 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 4147 4711 666 335 2 0 0 0
OW 0 21 24 161 30 0 0 0
VODI 0 2 7 112 111 0 0 0
ODI 0 0 0 39 166 1 0 0
CDI 0 0 0 17 188 63 3 0
VCDI 0 0 0 14 71 246 194 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 144 5804 2890 90 0 0 0 0
OW 0 0 49 100 0 0 0 0
VODI 0 0 12 117 24 0 0 0
ODI 0 0 0 58 82 0 0 0
CDI 0 0 0 45 123 78 0 0
VCDI 0 0 0 9 132 1406 533 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 144 5804 2819 65 0 0 0 0
OW 0 0 66 73 0 0 0 0
VODI 0 0 47 97 18 0 0 0
ODI 0 0 19 67 57 1 0 0
CDI 0 0 0 78 109 58 0 0
VCDI 0 0 0 39 177 1425 533 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 4922 5080 1904 370 169 65 0 0
OW 0 0 11 83 10 18 2 0
VODI 0 0 0 58 37 7 11 0
ODI 0 0 0 15 42 23 15 0
CDI 0 0 0 4 71 42 13 0
VCDI 0 0 0 0 5 11 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 4922 5080 1898 371 168 72 0 0
OW 0 0 17 81 18 17 8 0
VODI 0 0 0 55 42 10 18 0
ODI 0 0 0 19 20 22 10 0
CDI 0 0 0 4 59 34 5 0
VCDI 0 0 0 0 27 11 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 3 33 52 14 0 0 0
OW 0 0 0 8 15 1 0 0
VODI 0 0 0 2 15 7 0 0
ODI 0 0 0 0 11 14 0 0
CDI 0 0 0 0 14 28 1 0
VCDI 0 0 0 0 45 716 3168 1656
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 3 33 52 17 0 0 0
OW 0 0 0 7 16 2 0 0
VODI 0 0 0 3 11 11 0 0
ODI 0 0 0 0 8 14 0 0
CDI 0 0 0 0 11 24 1 0
VCDI 0 0 0 0 51 715 3168 1656

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 8 3 0
VCDI 0 0 0 0 2 729 4012 3833
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 2 0 26
VCDI 0 0 0 0 2 735 4015 3807

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6711 7013 1256 612 47 0 0 0
OW 0 0 17 199 147 8 0 0
VODI 0 0 0 118 232 21 0 0
ODI 0 0 0 25 313 49 0 0
CDI 0 0 0 0 209 330 1 0
VCDI 0 0 0 0 273 1874 754 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6711 7013 1250 699 128 9 0 0
OW 0 0 23 123 156 12 0 0
VODI 0 0 0 98 258 33 0 0
ODI 0 0 0 33 190 67 0 0
CDI 0 0 0 1 197 250 11 0
VCDI 0 0 0 0 292 1911 744 0


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