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: 2017-03-09

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2017-03-13

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 0 0 8 32 4 0 0
OW 0 0 0 0 22 16 0 0
VODI 0 0 0 0 13 36 3 0
ODI 0 0 0 0 18 40 14 0
CDI 0 0 0 0 33 47 37 0
VCDI 0 0 0 4 138 970 6221 29246
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 8 45 14 0 0
OW 0 0 0 0 18 27 0 0
VODI 0 0 0 0 6 44 14 0
ODI 0 0 0 0 2 37 16 0
CDI 0 0 0 0 26 22 54 0
VCDI 0 0 0 4 159 969 6191 29246

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 3 57 298 2775
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 3 57 298 2775

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 1
CDI 0 0 0 0 0 7 5 9
VCDI 0 0 0 0 0 71 1968 3593
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 1 0
CDI 0 0 0 0 0 59 52 12
VCDI 0 0 0 0 0 19 1920 3591

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 2
CDI 0 0 0 0 0 2 112 50
VCDI 0 0 0 0 0 114 2350 4616
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 8 2
CDI 0 0 0 0 0 1 103 60
VCDI 0 0 0 0 0 115 2351 4606

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 2 4
VCDI 0 0 0 0 0 0 345 4975
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 1 40
VCDI 0 0 0 0 0 0 346 4939

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 59 37 13 0 0 0 0
OW 0 1 2 17 0 0 0 0
VODI 0 0 0 21 1 0 0 0
ODI 0 0 0 11 21 5 0 0
CDI 0 0 0 2 36 75 27 11
VCDI 0 0 0 0 51 340 3270 2331
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 58 32 4 0 0 0 0
OW 0 2 7 11 0 0 0 0
VODI 0 0 0 20 0 0 0 0
ODI 0 0 0 17 4 2 1 0
CDI 0 0 0 12 37 42 33 14
VCDI 0 0 0 0 68 376 3263 2328

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 4263 3360 422 27 0 0 0
OW 0 5 7 177 74 0 0 0
VODI 0 0 1 132 181 0 0 0
ODI 0 0 0 28 244 30 0 0
CDI 0 0 0 7 223 166 1 0
VCDI 0 0 0 63 217 958 745 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 4244 3336 339 41 0 0 0
OW 0 22 27 150 73 0 0 0
VODI 0 2 5 155 139 1 0 0
ODI 0 0 0 94 180 21 0 0
CDI 0 0 0 22 269 116 0 0
VCDI 0 0 0 69 264 1016 746 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 1215 6095 790 192 4 0 0 0
OW 0 0 21 130 9 0 0 0
VODI 0 0 0 125 47 0 0 0
ODI 0 0 0 48 97 3 0 0
CDI 0 0 0 20 170 99 2 0
VCDI 0 0 0 0 57 982 1590 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 1215 6093 739 177 5 0 0 0
OW 0 2 48 107 12 0 0 0
VODI 0 0 22 102 51 0 0 0
ODI 0 0 2 70 70 8 0 0
CDI 0 0 0 51 129 80 2 0
VCDI 0 0 0 8 117 996 1590 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 5983 5424 557 161 50 5 0 0
OW 0 0 19 117 14 6 0 0
VODI 0 0 0 85 54 10 0 0
ODI 0 0 0 13 82 28 3 0
CDI 0 0 0 0 49 193 101 0
VCDI 0 0 0 0 0 21 13 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5983 5424 566 210 61 5 0 0
OW 0 0 10 88 35 15 0 0
VODI 0 0 0 57 53 22 3 0
ODI 0 0 0 21 42 60 10 0
CDI 0 0 0 0 58 149 84 0
VCDI 0 0 0 0 0 12 20 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 0 9 6 0 0
OW 0 0 0 10 4 8 0 0
VODI 0 0 0 9 9 16 0 0
ODI 0 0 0 1 16 16 0 0
CDI 0 0 0 0 30 27 0 0
VCDI 0 0 0 0 53 792 3286 1511
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 9 8 0 0
OW 0 0 0 6 5 8 0 0
VODI 0 0 0 13 6 16 0 0
ODI 0 0 0 1 8 15 0 0
CDI 0 0 0 0 15 20 0 0
VCDI 0 0 0 0 78 798 3286 1511

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 5 0 0
CDI 0 0 0 0 2 96 17 0
VCDI 0 0 0 0 8 979 6051 1429
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 10 0 0
CDI 0 0 0 0 0 88 37 6
VCDI 0 0 0 0 10 982 6031 1423

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 4933 6436 3323 385 70 21 0 0
OW 0 107 79 400 147 13 0 0
VODI 0 75 85 201 357 50 0 0
ODI 0 1 0 21 241 226 6 0
CDI 0 0 0 0 55 346 121 0
VCDI 0 0 0 0 5 797 1708 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 4933 6616 3431 760 356 36 0 0
OW 0 0 47 140 188 50 0 0
VODI 0 3 9 81 202 206 8 0
ODI 0 0 0 26 112 271 112 0
CDI 0 0 0 0 12 147 82 0
VCDI 0 0 0 0 5 743 1633 0


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