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: 2017-02-16

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2017-02-20

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 4 32 188 63 21 0 0
OW 0 0 0 51 56 30 0 0
VODI 0 0 0 35 85 27 0 0
ODI 0 0 0 16 109 73 0 0
CDI 0 0 0 13 82 129 29 0
VCDI 0 0 0 52 221 1749 7146 26691
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 32 194 109 63 0 0
OW 0 3 0 39 54 33 0 0
VODI 0 1 0 34 92 87 11 0
ODI 0 0 0 21 77 76 19 0
CDI 0 0 0 14 65 109 30 0
VCDI 0 0 0 53 219 1661 7115 26691

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 0 112 860 2161
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 0 0
VCDI 0 0 0 0 0 111 860 2161

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 14
VCDI 0 0 0 0 0 0 45 9923
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 39
VCDI 0 0 0 0 0 0 45 9898

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 0 0
VCDI 0 0 0 0 0 22 937 4695
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 22 937 4695

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 0
VCDI 0 0 0 0 0 0 349 6897
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 0 349 6897

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 12 14
VCDI 0 0 0 0 0 164 1464 3672
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 25 24
VCDI 0 0 0 0 0 164 1451 3662

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 47 46 12 0 0 0 0
OW 0 0 2 18 0 0 0 0
VODI 0 0 0 16 5 0 0 0
ODI 0 0 0 33 54 1 0 0
CDI 0 0 0 3 107 33 55 3
VCDI 0 0 0 0 27 1166 4086 617
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 47 42 8 0 0 0 0
OW 0 0 5 11 0 0 0 0
VODI 0 0 1 19 1 0 0 0
ODI 0 0 0 15 22 1 0 0
CDI 0 0 0 26 82 18 61 9
VCDI 0 0 0 3 88 1181 4080 611

Barents Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 4942 3297 380 41 0 0 0
OW 0 29 10 163 66 0 0 0
VODI 0 5 0 111 157 0 0 0
ODI 0 0 0 32 210 18 0 0
CDI 0 0 0 13 208 127 1 0
VCDI 0 0 0 2 330 969 220 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 4898 3275 397 69 0 0 0
OW 0 39 25 117 71 0 0 0
VODI 0 29 7 93 148 4 0 0
ODI 0 7 0 56 130 31 0 0
CDI 0 3 0 27 183 119 1 0
VCDI 0 0 0 11 411 960 220 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 43 6818 1504 114 0 0 0 0
OW 0 1 39 101 4 0 0 0
VODI 0 0 13 117 31 0 0 0
ODI 0 0 0 62 68 3 0 0
CDI 0 0 0 29 112 13 0 0
VCDI 0 0 0 7 156 1771 690 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 43 6801 1461 97 0 0 0 0
OW 0 18 51 87 8 0 0 0
VODI 0 0 32 98 27 0 0 0
ODI 0 0 12 74 54 6 0 0
CDI 0 0 0 43 109 14 0 0
VCDI 0 0 0 31 173 1767 690 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 5144 5970 842 218 21 1 0 0
OW 0 0 11 128 22 2 0 0
VODI 0 0 0 61 83 11 0 0
ODI 0 0 0 11 76 36 0 0
CDI 0 0 0 0 61 119 0 0
VCDI 0 0 0 0 18 153 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5144 5970 841 260 43 7 0 0
OW 0 0 12 77 47 19 0 0
VODI 0 0 0 60 60 37 0 0
ODI 0 0 0 18 52 42 0 0
CDI 0 0 0 3 54 91 0 0
VCDI 0 0 0 0 25 126 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 14 2 0 0 0
OW 0 0 0 15 12 1 0 0
VODI 0 0 0 9 4 16 0 0
ODI 0 0 0 3 8 17 0 0
CDI 0 0 0 0 28 26 1 0
VCDI 0 0 0 0 128 632 3343 1544
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 3 2 0 0 0
OW 0 0 0 10 10 0 0 0
VODI 0 0 0 16 5 23 0 0
ODI 0 0 0 9 3 16 0 0
CDI 0 0 0 3 20 24 1 0
VCDI 0 0 0 0 142 629 3343 1544

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 0 0 2
VCDI 0 0 0 0 5 153 1918 6509
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 5 153 1918 6511

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6323 6560 2033 473 23 0 0 0
OW 0 0 15 350 75 8 0 0
VODI 0 0 0 179 244 29 0 0
ODI 0 0 0 9 309 147 1 0
CDI 0 0 0 0 137 603 28 0
VCDI 0 0 0 0 7 893 1763 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6323 6507 1924 431 45 0 0 0
OW 0 53 88 270 103 16 0 0
VODI 0 0 36 269 228 131 2 0
ODI 0 0 0 41 237 163 11 0
CDI 0 0 0 0 165 454 30 0
VCDI 0 0 0 0 17 916 1749 0


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