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: 2017-01-26

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2017-01-30

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 0 144 132 165 101 30 0 0
OW 0 9 14 54 27 23 0 0
VODI 0 6 25 71 39 30 2 0
ODI 0 0 23 66 51 38 6 0
CDI 0 0 0 58 99 66 7 0
VCDI 0 0 0 77 236 1011 7010 27282
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 130 97 158 113 46 0 0
OW 0 12 32 36 28 25 0 0
VODI 0 15 24 56 36 33 6 0
ODI 0 2 23 54 34 37 7 0
CDI 0 0 18 69 77 64 13 0
VCDI 0 0 0 118 265 993 6999 27282

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 2 0 5
VCDI 0 0 0 0 0 85 625 2416
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 4
CDI 0 0 0 0 0 0 0 6
VCDI 0 0 0 0 0 87 625 2411

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 13 22 0
VCDI 0 0 0 0 0 97 2365 7485
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 4 15 3
VCDI 0 0 0 0 0 106 2372 7482

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 2 0
ODI 0 0 0 0 0 0 14 0
CDI 0 0 0 0 0 30 35 8
VCDI 0 0 0 0 0 76 1777 3712
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 5 0
CDI 0 0 0 0 0 19 33 0
VCDI 0 0 0 0 0 87 1790 3720

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 2
VCDI 0 0 0 0 0 13 542 6689
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 7
VCDI 0 0 0 0 0 13 542 6684

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 1 0
CDI 0 0 0 0 0 41 25 0
VCDI 0 0 0 0 0 512 2719 2028
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 11 28 0
VCDI 0 0 0 0 0 542 2717 2028

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 48 342 193 0 0 0 0
OW 0 26 143 231 17 0 0 0
VODI 0 0 55 322 95 0 0 0
ODI 0 0 5 105 253 24 0 0
CDI 0 0 0 19 302 84 3 0
VCDI 0 0 0 0 136 799 2889 240
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 24 94 66 0 0 0 0
OW 0 0 41 53 10 0 0 0
VODI 0 21 26 94 57 0 0 0
ODI 0 28 124 247 117 18 0 0
CDI 0 1 164 224 222 37 3 0
VCDI 0 0 96 186 397 852 2889 240

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 5129 3432 500 21 0 0 0
OW 0 4 17 177 65 0 0 0
VODI 0 0 7 141 147 12 0 0
ODI 0 0 0 68 210 22 0 0
CDI 0 0 0 7 247 118 0 0
VCDI 0 0 0 0 168 451 388 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 5123 3396 482 81 0 0 0
OW 0 10 42 117 124 1 0 0
VODI 0 0 18 116 147 21 0 0
ODI 0 0 0 113 113 61 0 0
CDI 0 0 0 59 181 137 24 0
VCDI 0 0 0 6 212 383 364 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 349 6802 1522 49 0 0 0 0
OW 0 2 96 48 0 0 0 0
VODI 0 0 25 132 1 0 0 0
ODI 0 0 4 100 28 0 0 0
CDI 0 0 0 71 72 11 1 0
VCDI 0 0 0 26 195 502 1659 1
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 349 6774 1457 33 0 0 0 0
OW 0 26 109 25 0 0 0 0
VODI 0 4 68 107 0 0 0 0
ODI 0 0 10 111 8 0 0 0
CDI 0 0 3 99 44 0 0 0
VCDI 0 0 0 51 244 513 1660 1

Southeast Greenland:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 4891 5715 1498 225 64 11 0 0
OW 0 0 16 81 21 6 0 0
VODI 0 0 0 81 27 14 0 0
ODI 0 0 0 16 67 25 1 0
CDI 0 0 0 8 67 64 13 0
VCDI 0 0 0 0 3 67 7 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 4891 5649 1447 219 83 12 0 0
OW 0 52 44 67 12 15 0 0
VODI 0 14 23 82 26 27 1 0
ODI 0 0 0 33 46 9 0 0
CDI 0 0 0 10 66 44 14 0
VCDI 0 0 0 0 16 80 6 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 16 19 0 0 0 0
OW 0 0 0 14 10 0 0 0
VODI 0 0 0 17 13 6 0 0
ODI 0 0 0 8 16 20 0 0
CDI 0 0 0 13 43 32 2 0
VCDI 0 0 0 1 155 785 2820 1813
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 16 16 4 0 0 0
OW 0 0 0 10 11 1 0 0
VODI 0 0 0 15 6 11 0 0
ODI 0 0 0 10 8 20 0 0
CDI 0 0 0 7 21 28 0 0
VCDI 0 0 0 14 187 783 2822 1813

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 4 0 0 0
CDI 0 0 0 0 24 42 25 0
VCDI 0 0 0 0 37 852 5330 2273
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 7 0 0 0
CDI 0 0 0 0 25 43 33 2
VCDI 0 0 0 0 33 851 5322 2271

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5124 8502 1672 458 32 0 0 0
OW 0 1 40 353 82 0 0 0
VODI 0 0 0 328 251 0 0 0
ODI 0 0 0 68 446 80 4 0
CDI 0 0 0 12 193 406 92 0
VCDI 0 0 0 0 74 747 1244 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5124 8502 1619 503 30 0 0 0
OW 0 1 77 360 83 0 0 0
VODI 0 0 16 212 275 11 0 0
ODI 0 0 0 98 344 172 26 0
CDI 0 0 0 42 264 300 59 0
VCDI 0 0 0 4 82 750 1255 0


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