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: 2017-02-23

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2017-02-27

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 1 41 105 39 5 0 0
OW 0 8 16 44 43 15 0 0
VODI 0 0 9 36 69 40 0 0
ODI 0 0 0 32 46 63 6 0
CDI 0 0 0 26 65 110 39 0
VCDI 0 0 0 88 135 827 7497 27497
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 34 117 64 8 0 0
OW 0 0 20 28 56 26 0 0
VODI 0 9 10 34 53 91 1 0
ODI 0 0 2 25 29 55 25 0
CDI 0 0 0 26 34 64 56 0
VCDI 0 0 0 101 161 816 7460 27497

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 50 598 2485
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 50 598 2485

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 8 503 9471
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 8 503 9471

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 7 12 0 0
VCDI 0 0 0 0 9 77 1756 3793
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 0 0
VCDI 0 0 0 0 13 82 1756 3793

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 3 0 0
VCDI 0 0 0 0 0 20 850 6373
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 23 850 6373

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 0 0 24 9
VCDI 0 0 0 0 4 92 2344 2853
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 23 28
VCDI 0 0 0 0 4 92 2345 2834

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 34 102 10 0 0 0 0
OW 0 0 24 40 0 0 0 0
VODI 0 0 1 91 7 0 0 0
ODI 0 0 0 88 36 16 0 0
CDI 0 0 0 43 122 117 9 0
VCDI 0 0 0 12 166 1153 4080 180
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 34 82 6 0 0 0 0
OW 0 0 26 15 0 0 0 0
VODI 0 0 19 44 2 0 0 0
ODI 0 0 0 60 5 12 0 0
CDI 0 0 0 62 34 91 0 0
VCDI 0 0 0 97 290 1183 4089 180

Barents Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 43 5284 2392 486 15 0 0 0
OW 0 7 36 217 59 0 0 0
VODI 0 2 3 179 151 0 0 0
ODI 0 0 0 79 251 32 0 0
CDI 0 0 0 11 350 191 1 0
VCDI 0 0 0 1 399 721 421 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 43 5276 2370 493 42 0 0 0
OW 0 14 46 220 52 0 0 0
VODI 0 2 12 136 195 1 0 0
ODI 0 1 3 61 174 16 0 0
CDI 0 0 0 61 239 135 1 0
VCDI 0 0 0 2 523 792 421 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 971 6486 1179 69 0 0 0 0
OW 0 9 87 136 0 0 0 0
VODI 0 0 13 175 6 0 0 0
ODI 0 0 0 63 91 1 0 0
CDI 0 0 0 24 149 78 1 0
VCDI 0 0 0 2 55 553 1548 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 971 6486 1133 90 0 0 0 0
OW 0 9 102 71 4 0 0 0
VODI 0 0 38 137 30 1 0 0
ODI 0 0 6 95 36 15 0 0
CDI 0 0 0 69 112 57 18 0
VCDI 0 0 0 7 119 559 1531 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 5894 5686 437 300 84 12 0 0
OW 0 0 33 62 27 5 0 0
VODI 0 0 1 71 33 23 0 0
ODI 0 0 0 32 50 58 0 0
CDI 0 0 0 0 45 129 1 0
VCDI 0 0 0 0 0 4 1 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5894 5673 393 313 110 23 0 0
OW 0 13 52 23 23 28 0 0
VODI 0 0 25 49 15 32 1 0
ODI 0 0 1 55 12 43 1 0
CDI 0 0 0 25 73 91 0 0
VCDI 0 0 0 0 6 14 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 0 1 6 3 0 0
OW 0 0 0 26 5 6 0 0
VODI 0 0 0 9 6 16 1 0
ODI 0 0 0 4 5 9 7 0
CDI 0 0 0 0 23 12 13 0
VCDI 0 0 0 0 45 494 3768 1344
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 4 7 7 0 0
OW 0 0 0 17 4 9 0 0
VODI 0 0 0 12 6 14 5 0
ODI 0 0 0 4 4 9 11 0
CDI 0 0 0 3 18 8 19 0
VCDI 0 0 0 0 51 493 3754 1344

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 11 52 22 7
VCDI 0 0 0 0 11 822 5540 2122
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 11 64 15 6
VCDI 0 0 0 0 11 810 5547 2123

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 3438 6353 4666 603 57 2 0 0
OW 0 0 0 331 75 19 0 0
VODI 0 0 0 124 339 34 0 0
ODI 0 0 0 8 578 142 4 0
CDI 0 0 0 0 386 578 9 0
VCDI 0 0 0 0 45 950 1468 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 3438 6346 4571 546 84 9 0 0
OW 0 7 88 255 104 26 0 0
VODI 0 0 7 198 242 62 4 0
ODI 0 0 0 63 349 111 8 0
CDI 0 0 0 4 594 548 17 0
VCDI 0 0 0 0 107 969 1452 0


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