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: 2018-02-01

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2018-02-05

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 0 687 6 14 0 0 0 0
OW 0 140 5 16 4 0 0 0
VODI 0 87 7 19 18 0 0 0
ODI 0 20 20 40 37 1 0 0
CDI 0 1 2 83 82 13 2 0
VCDI 0 0 0 15 250 1431 8019 25883
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 658 4 8 0 0 0 0
OW 0 96 3 9 1 0 0 0
VODI 0 101 5 22 8 0 0 0
ODI 0 58 11 19 33 0 0 0
CDI 0 22 16 48 80 16 2 0
VCDI 0 0 1 81 269 1429 8019 25883

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 4 17
VCDI 0 0 0 0 0 193 1204 1715
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 1
CDI 0 0 0 0 0 0 4 15
VCDI 0 0 0 0 0 193 1204 1716

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 28 851 9103
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 27 851 9103

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 16 1383 4255
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 1383 4255

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 0 7246
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 7246

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 5 1
VCDI 0 0 0 0 0 34 1138 4148
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 34 1143 4149

Kara Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 344 3 6 0 0 0 0
OW 0 24 8 15 4 0 0 0
VODI 0 3 5 46 9 0 0 0
ODI 0 0 0 28 29 0 1 0
CDI 0 0 0 8 58 126 125 4
VCDI 0 0 0 2 56 388 3355 1684
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 273 0 0 0 0 0 0
OW 0 40 2 2 0 0 0 0
VODI 0 40 8 16 0 0 0 0
ODI 0 12 3 39 4 4 0 0
CDI 0 6 3 29 31 66 4 22
VCDI 0 0 0 19 121 444 3477 1666

Barents Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 4919 3789 39 150 10 0 0 0
OW 1 103 21 176 49 11 0 0
VODI 0 42 10 181 124 25 0 0
ODI 0 4 2 78 166 44 0 0
CDI 0 0 0 21 218 109 0 0
VCDI 0 0 0 0 160 425 454 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 4918 3662 24 104 8 0 0 0
OW 2 179 26 121 42 0 0 0
VODI 0 75 14 160 71 6 0 0
ODI 0 18 7 125 103 42 0 0
CDI 0 4 1 84 188 83 0 0
VCDI 0 0 0 12 315 483 454 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 6156 2989 16 62 10 0 0 0
OW 0 32 9 110 31 0 0 0
VODI 0 7 1 48 121 0 0 0
ODI 0 0 0 10 143 20 0 0
CDI 0 0 0 0 63 202 6 0
VCDI 0 0 0 0 0 713 947 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6156 2980 21 104 22 0 0 0
OW 0 38 3 77 64 0 0 0
VODI 0 10 2 36 126 12 0 0
ODI 0 0 0 13 85 62 0 0
CDI 0 0 0 0 66 181 7 0
VCDI 0 0 0 0 5 680 946 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 8154 3379 47 253 140 1 0 0
OW 0 48 13 57 81 13 0 0
VODI 0 32 5 72 98 42 5 0
ODI 0 0 0 5 95 51 12 0
CDI 0 0 0 0 45 187 53 0
VCDI 0 0 0 0 2 71 27 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 8154 3438 59 322 216 25 0 0
OW 0 21 5 54 93 51 7 0
VODI 0 0 1 11 97 65 17 0
ODI 0 0 0 0 40 81 32 0
CDI 0 0 0 0 15 97 40 0
VCDI 0 0 0 0 0 46 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 1 1 0 0 0
OW 0 0 0 2 4 0 0 0
VODI 0 1 0 7 12 0 0 0
ODI 0 1 1 11 17 0 0 0
CDI 0 0 0 2 30 1 0 0
VCDI 0 0 0 0 47 704 3117 1844
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 2 3 0 0 0
VODI 0 0 0 1 4 0 0 0
ODI 0 0 0 0 6 0 0 0
CDI 0 1 0 9 12 2 0 0
VCDI 0 1 1 11 86 703 3117 1844

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 48 4 3
VCDI 0 0 0 0 0 901 3438 4193
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 45 0 3
VCDI 0 0 0 0 0 904 3442 4193

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 10426 4527 78 294 135 0 0 0
OW 0 124 12 185 180 4 0 0
VODI 0 15 7 104 437 30 0 0
ODI 0 0 0 22 264 140 0 0
CDI 0 0 0 4 151 607 17 0
VCDI 0 0 0 0 159 1971 316 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 10426 4546 80 340 269 9 0 0
OW 0 79 9 117 185 25 0 0
VODI 0 34 6 59 249 92 0 0
ODI 0 7 2 66 187 121 0 0
CDI 0 0 0 17 212 563 19 0
VCDI 0 0 0 10 224 1942 314 0


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