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: 2017-04-06

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2017-04-10

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 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 2 10 0 0
ODI 0 0 0 0 0 22 0 0
CDI 0 0 0 0 0 38 19 0
VCDI 0 0 0 0 0 153 6395 30263
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 2 7 0 0
VODI 0 0 0 0 0 24 0 0
ODI 0 0 0 0 0 20 7 0
CDI 0 0 0 0 0 31 32 0
VCDI 0 0 0 0 0 141 6375 30263

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 58 399 2676
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 58 399 2676

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 14 7 0
CDI 0 0 0 0 15 64 33 13
VCDI 0 0 0 0 54 211 2376 7195
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 13 7 0
CDI 0 0 0 0 16 107 105 35
VCDI 0 0 0 0 53 169 2304 7173

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 1 8 0 0
CDI 0 0 0 0 43 35 1 0
VCDI 0 0 0 0 33 186 1942 3405
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 1 13 0 0
CDI 0 0 0 0 38 45 1 0
VCDI 0 0 0 0 38 171 1942 3405

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 14
VCDI 0 0 0 0 0 0 0 7232
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 29
VCDI 0 0 0 0 0 0 0 7217

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 0 0
VCDI 0 0 0 0 0 1 396 4929
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 5
VCDI 0 0 0 0 0 1 396 4924

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 27 72 21 0 0 0 0
OW 0 1 6 18 0 0 0 0
VODI 0 0 0 28 3 0 0 0
ODI 0 0 0 10 23 18 0 0
CDI 0 0 0 9 54 124 15 3
VCDI 0 0 0 0 96 919 3707 1177
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 26 69 10 0 0 0 0
OW 0 2 9 13 0 0 0 0
VODI 0 0 0 35 1 0 0 0
ODI 0 0 0 14 13 22 0 0
CDI 0 0 0 14 49 105 28 3
VCDI 0 0 0 0 113 934 3694 1177

Barents Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 455 5871 1379 355 13 0 0 0
OW 0 7 84 217 40 0 0 0
VODI 0 0 5 225 150 12 0 0
ODI 0 0 0 52 251 60 0 0
CDI 0 0 0 6 107 153 14 0
VCDI 0 0 0 0 16 257 1602 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 455 5843 1353 321 32 2 0 0
OW 0 32 65 170 46 14 0 0
VODI 0 3 38 184 118 31 7 0
ODI 0 0 12 123 200 50 17 0
CDI 0 0 0 48 126 111 44 0
VCDI 0 0 0 9 55 274 1548 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 747 5963 872 283 26 0 0 0
OW 0 3 7 113 57 0 0 0
VODI 0 0 0 107 68 3 0 0
ODI 0 0 0 41 93 14 0 0
CDI 0 0 0 13 124 125 6 0
VCDI 0 0 0 0 87 732 1998 214
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 747 5961 827 234 55 0 0 0
OW 0 4 44 90 62 2 0 0
VODI 0 1 8 123 49 14 0 0
ODI 0 0 0 65 56 36 0 0
CDI 0 0 0 43 86 108 2 0
VCDI 0 0 0 2 147 714 2002 214

Southeast Greenland:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5979 4575 1136 288 91 34 0 0
OW 0 0 26 111 41 3 0 0
VODI 0 0 0 83 43 27 0 0
ODI 0 0 0 17 68 37 7 0
CDI 0 0 0 0 70 150 120 0
VCDI 0 0 0 0 0 15 67 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5979 4575 1129 312 107 35 0 0
OW 0 0 29 78 44 17 0 0
VODI 0 0 4 76 34 39 7 0
ODI 0 0 0 30 39 31 23 0
CDI 0 0 0 3 89 99 97 0
VCDI 0 0 0 0 0 45 67 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 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 2 5 2 0 0
ODI 0 0 0 21 10 4 0 0
CDI 0 0 0 25 40 22 9 0
VCDI 0 0 0 0 12 231 3242 2178
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 1 4 0 0
ODI 0 0 0 1 5 4 0 0
CDI 0 0 0 39 19 17 26 0
VCDI 0 0 0 8 42 234 3225 2178

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 36 7 3 0
CDI 0 0 0 0 59 135 35 7
VCDI 0 0 0 0 142 3022 4918 223
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 30 4 2 0
CDI 0 0 0 0 45 99 43 21
VCDI 0 0 0 0 162 3061 4911 209

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 7069 6327 1126 659 62 2 0 0
OW 0 0 13 306 155 18 0 0
VODI 0 0 0 117 280 67 3 0
ODI 0 0 0 4 242 251 57 0
CDI 0 0 0 0 26 827 250 0
VCDI 0 0 0 0 0 808 1540 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 7069 6327 1129 862 236 24 0 0
OW 0 0 10 146 209 71 14 0
VODI 0 0 0 70 248 201 56 0
ODI 0 0 0 8 66 439 59 0
CDI 0 0 0 0 6 441 158 0
VCDI 0 0 0 0 0 797 1563 0


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