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: 2017-02-02

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2017-02-06

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 0 119 222 221 66 9 0 0
OW 0 5 36 66 32 12 0 0
VODI 0 0 25 93 39 19 3 0
ODI 0 0 9 59 44 33 5 0
CDI 0 0 9 68 73 77 12 0
VCDI 0 0 3 88 260 871 6452 27872
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 86 169 206 88 18 0 0
OW 0 16 37 52 26 18 2 0
VODI 0 16 42 59 37 24 7 0
ODI 0 5 24 58 25 38 9 0
CDI 0 1 15 64 45 77 22 0
VCDI 0 0 17 156 293 846 6432 27872

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 25 260 2848
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 2
VCDI 0 0 0 0 0 25 260 2846

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 0 0 9982
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 0 9982

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 0 3 0
VCDI 0 0 0 0 0 15 1863 3773
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 1 35 0
VCDI 0 0 0 0 0 14 1831 3773

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 0 0 2
VCDI 0 0 0 0 0 0 112 7132
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 2 4
VCDI 0 0 0 0 0 0 110 7130

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 3 17 17 25
VCDI 0 0 0 0 11 236 1556 3461
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 5 26 21 32
VCDI 0 0 0 0 9 227 1552 3454

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 89 200 39 0 0 0 0
OW 0 0 23 64 0 0 0 0
VODI 0 0 7 88 9 0 0 0
ODI 0 0 0 47 277 9 0 0
CDI 0 0 0 17 329 173 42 0
VCDI 0 0 0 0 144 942 3819 13
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 76 82 15 0 0 0 0
OW 0 12 75 30 0 0 0 0
VODI 0 1 68 80 4 0 0 0
ODI 0 0 5 75 35 6 0 0
CDI 0 0 0 47 318 111 43 0
VCDI 0 0 0 8 402 1007 3818 13

Barents Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 1462 5866 1403 292 5 0 0 0
OW 0 35 52 235 13 4 0 0
VODI 0 11 11 274 105 0 0 0
ODI 0 0 2 66 298 15 0 0
CDI 0 0 1 44 173 79 1 0
VCDI 0 0 0 7 83 350 444 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 1462 5867 1371 285 9 1 0 0
OW 0 31 53 199 16 3 0 0
VODI 0 13 27 194 108 0 0 0
ODI 0 1 11 94 168 20 0 0
CDI 0 0 7 95 212 72 0 0
VCDI 0 0 0 51 164 352 445 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 4255 4153 360 36 0 0 0 0
OW 0 14 31 100 0 0 0 0
VODI 0 6 29 119 13 0 0 0
ODI 0 0 25 61 55 0 0 0
CDI 0 0 3 55 132 37 3 0
VCDI 0 0 0 32 136 607 1424 10
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 4255 4092 304 35 0 0 0 0
OW 0 41 56 55 0 0 0 0
VODI 0 28 33 103 7 0 0 0
ODI 0 12 20 84 31 0 0 0
CDI 0 0 27 49 121 16 0 0
VCDI 0 0 8 77 177 628 1427 10

Southeast Greenland:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5051 5932 1192 203 44 5 0 0
OW 0 0 34 93 12 0 0 0
VODI 0 0 4 70 59 3 0 0
ODI 0 0 0 18 71 16 0 0
CDI 0 0 0 2 37 115 5 0
VCDI 0 0 0 0 0 21 1 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5051 5932 1203 242 44 4 0 0
OW 0 0 20 66 34 1 0 0
VODI 0 0 7 47 49 4 0 0
ODI 0 0 0 21 50 30 0 0
CDI 0 0 0 10 46 87 5 0
VCDI 0 0 0 0 0 34 1 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 12 0 0 0 0
OW 0 0 0 10 1 2 0 0
VODI 0 0 0 20 14 12 0 0
ODI 0 0 0 29 32 17 2 0
CDI 0 0 0 19 65 23 7 0
VCDI 0 0 0 0 200 583 3679 1076
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 11 0 1 0 0
OW 0 0 0 10 2 3 0 0
VODI 0 0 0 14 13 17 0 0
ODI 0 0 0 17 20 10 6 0
CDI 0 0 0 25 41 22 8 0
VCDI 0 0 0 13 236 584 3674 1076

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 3 2 0
VCDI 0 0 0 0 0 72 1695 6815
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 4 0
VCDI 0 0 0 0 0 69 1693 6815

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6235 6595 1433 649 160 8 0 0
OW 0 0 0 169 113 26 0 0
VODI 0 0 0 62 199 68 0 0
ODI 0 0 0 4 215 108 0 0
CDI 0 0 0 0 206 385 36 0
VCDI 0 0 0 0 79 1806 1653 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6235 6595 1427 680 230 34 0 0
OW 0 0 6 125 110 47 0 0
VODI 0 0 0 66 191 78 0 0
ODI 0 0 0 13 166 134 1 0
CDI 0 0 0 0 164 354 60 0
VCDI 0 0 0 0 111 1754 1628 0


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