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: 2016-03-17

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2016-03-21

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 22 49 3 0 0 0
OW 0 0 8 35 14 0 0 0
VODI 0 32 47 35 38 6 0 0
ODI 0 19 28 30 24 15 0 0
CDI 0 4 17 39 25 53 3 0
VCDI 0 1 17 81 198 785 7186 28088
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 13 40 6 0 0 0
OW 0 0 4 34 23 3 0 0
VODI 0 0 5 18 31 12 0 0
ODI 0 0 2 7 15 21 0 0
CDI 0 0 9 5 15 42 1 0
VCDI 0 56 106 165 212 781 7188 28088

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 33 141 258 2080 621
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 33 141 258 2080 621

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 2 0 0
VCDI 0 0 0 0 0 169 2803 7008
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 0 171 2803 7008

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 23 1 0
VCDI 0 0 0 0 0 248 3240 2142
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 2 0 0
CDI 0 0 0 0 0 29 0 0
VCDI 0 0 0 0 0 240 3241 2142

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 6 2 7
VCDI 0 0 0 0 1 86 1407 5737
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 18 14 13
VCDI 0 0 0 0 1 74 1395 5731

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 8 3 0
CDI 0 0 0 0 0 32 71 7
VCDI 0 0 0 0 0 139 3280 1786
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 28 85 3
VCDI 0 0 0 0 0 151 3269 1790

Kara Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 125 12 0 0 0 0 0
OW 0 87 11 0 0 0 0 0
VODI 0 24 32 19 0 0 0 0
ODI 0 1 21 23 3 5 0 0
CDI 0 0 24 45 58 57 46 0
VCDI 0 0 3 55 109 566 4671 334
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 68 5 0 0 0 0 0
OW 0 29 6 0 0 0 0 0
VODI 0 25 4 0 0 0 0 0
ODI 0 26 7 0 0 7 2 0
CDI 0 39 7 7 1 43 61 1
VCDI 0 50 74 135 169 578 4654 333

Barents Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 1835 5522 636 74 0 0 0 0
OW 0 133 170 211 0 0 0 0
VODI 0 18 102 282 28 0 0 0
ODI 0 0 24 166 149 3 0 0
CDI 0 0 8 97 330 88 1 0
VCDI 0 0 0 13 513 853 75 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 1835 5264 476 55 0 0 0 0
OW 0 188 151 96 0 0 0 0
VODI 0 150 129 207 35 0 0 0
ODI 0 42 81 172 130 8 0 0
CDI 0 26 78 173 239 84 0 0
VCDI 0 3 25 140 616 852 76 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 3941 4420 436 184 6 0 0 0
OW 0 0 60 70 28 0 0 0
VODI 0 0 21 80 48 0 0 0
ODI 0 0 4 53 59 12 0 0
CDI 0 0 0 38 89 67 1 0
VCDI 0 0 0 17 105 654 1303 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 3941 4382 352 152 2 0 0 0
OW 0 24 59 64 27 0 0 0
VODI 0 14 41 73 51 0 0 0
ODI 0 0 30 52 51 18 0 0
CDI 0 0 25 33 67 62 1 0
VCDI 0 0 14 68 137 653 1303 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 6406 4789 556 303 33 5 0 0
OW 0 1 52 136 26 9 0 0
VODI 0 0 8 103 103 27 2 0
ODI 0 0 0 11 102 58 2 0
CDI 0 0 0 0 13 192 40 0
VCDI 0 0 0 0 0 7 4 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6406 4790 569 408 70 18 0 0
OW 0 0 34 57 76 34 4 0
VODI 0 0 13 57 46 67 22 0
ODI 0 0 0 29 49 56 16 0
CDI 0 0 0 2 36 102 6 0
VCDI 0 0 0 0 0 21 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 10 1 0 0 0
OW 0 0 0 15 4 0 0 0
VODI 0 0 0 21 14 2 0 0
ODI 0 0 0 44 29 14 0 0
CDI 0 0 0 37 61 63 1 0
VCDI 0 0 0 2 234 1263 3643 345
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 7 1 0 0 0
OW 0 0 0 18 8 0 0 0
VODI 0 0 0 10 11 5 0 0
ODI 0 0 0 4 13 20 0 0
CDI 0 0 0 17 18 46 0 0
VCDI 0 0 0 73 292 1271 3644 345

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 2 0 0
CDI 0 0 0 0 0 85 0 0
VCDI 0 0 0 0 18 2424 5384 674
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 7 0 0
CDI 0 0 0 0 0 81 0 0
VCDI 0 0 0 0 18 2423 5384 674

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6930 6209 673 563 140 4 0 0
OW 0 76 22 141 227 19 0 0
VODI 0 6 9 27 308 92 0 0
ODI 0 0 0 0 197 281 0 0
CDI 0 0 0 0 103 991 47 0
VCDI 0 0 0 0 52 1509 1583 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6930 6291 693 586 222 26 0 0
OW 0 0 11 96 209 65 0 0
VODI 0 0 0 36 215 164 0 0
ODI 0 0 0 12 146 271 6 0
CDI 0 0 0 1 143 723 50 0
VCDI 0 0 0 0 92 1647 1574 0


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