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: 2016-02-18

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2016-02-22

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 0 150 139 44 7 3 0 0
OW 0 14 66 92 20 10 0 0
VODI 0 7 70 138 71 14 0 0
ODI 0 0 30 122 80 14 7 0
CDI 0 0 35 133 195 68 12 0
VCDI 0 0 51 245 304 1075 5970 27716
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 100 100 67 25 13 0 0
OW 0 18 18 24 13 12 0 0
VODI 0 16 19 20 27 10 6 0
ODI 0 16 33 26 32 9 10 0
CDI 0 21 63 107 63 26 13 0
VCDI 0 0 158 530 517 1114 5960 27716

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 33 134 317 1941 708
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 33 134 317 1941 708

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 22 0 0
VCDI 0 0 0 0 0 410 2516 7034
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 21 0 0
VCDI 0 0 0 0 0 411 2516 7034

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 8 9 0 0
VCDI 0 0 0 0 3 537 2103 2994
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 1 0 0
CDI 0 0 0 0 8 11 0 0
VCDI 0 0 0 0 2 534 2103 2994

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 4
VCDI 0 0 0 0 1 6 631 6604
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 1 6 631 6608

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 18 17 0
VCDI 0 0 0 0 0 152 2060 3079
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 9 10 0
VCDI 0 0 0 0 0 161 2067 3079

Kara Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 406 71 3 0 0 0 0
OW 0 114 68 52 0 0 0 0
VODI 0 22 15 157 84 0 0 0
ODI 0 12 6 90 204 9 0 0
CDI 0 10 21 43 103 133 11 0
VCDI 0 0 28 62 150 1009 3423 25
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 150 11 1 0 0 0 0
OW 0 49 13 4 19 0 0 0
VODI 0 114 8 65 83 0 0 0
ODI 0 72 13 93 131 9 0 0
CDI 0 46 40 47 80 76 7 0
VCDI 0 133 124 197 228 1066 3427 25

Barents Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 2926 5597 485 57 0 0 0 0
OW 0 434 299 176 0 0 0 0
VODI 0 0 27 366 79 0 0 0
ODI 0 0 1 95 272 20 0 0
CDI 0 0 0 46 151 50 0 0
VCDI 0 0 0 26 138 67 19 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 2926 5406 459 71 0 0 0 0
OW 0 315 148 137 0 0 0 0
VODI 0 226 81 232 52 1 0 0
ODI 0 60 67 118 198 28 0 0
CDI 0 24 32 89 167 35 0 0
VCDI 0 0 25 119 223 73 19 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 4013 4972 250 0 0 0 0 0
OW 0 19 107 16 0 0 0 0
VODI 0 18 64 65 1 0 0 0
ODI 0 0 38 79 4 0 0 0
CDI 0 0 21 115 155 69 0 0
VCDI 0 0 0 23 146 705 816 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 4013 4915 172 0 0 0 0 0
OW 0 46 71 2 0 0 0 0
VODI 0 25 99 8 0 0 0 0
ODI 0 16 57 34 1 0 0 0
CDI 0 7 42 95 4 5 0 0
VCDI 0 0 39 159 301 769 816 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 6158 4783 465 387 103 29 0 0
OW 0 20 72 93 34 31 0 0
VODI 0 0 28 66 47 44 16 0
ODI 0 0 0 53 54 51 31 0
CDI 0 0 0 4 50 136 134 0
VCDI 0 0 0 0 0 16 83 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6158 4764 475 470 124 63 3 0
OW 0 23 20 42 53 58 32 0
VODI 0 12 29 12 39 51 67 0
ODI 0 4 35 10 2 18 65 0
CDI 0 0 6 68 43 49 57 0
VCDI 0 0 0 1 27 68 40 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 14 28 17 4 0 0 0
OW 0 0 6 20 15 0 0 0
VODI 0 0 0 15 36 8 0 0
ODI 0 0 0 6 25 30 0 0
CDI 0 0 0 20 42 48 0 0
VCDI 0 0 0 43 163 952 3968 343
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 8 5 7 9 0 0 0
OW 0 4 10 6 9 4 0 0
VODI 0 2 10 8 7 10 0 0
ODI 0 0 6 9 9 14 0 0
CDI 0 0 3 32 25 36 0 0
VCDI 0 0 0 59 226 974 3968 343

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 3 0 0 0
CDI 0 0 0 0 78 17 0 0
VCDI 0 0 0 0 84 1062 5561 1782
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 2 0 0 0
CDI 0 0 0 0 78 15 0 0
VCDI 0 0 0 0 85 1064 5561 1782

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 7042 6012 748 559 78 0 0 0
OW 0 0 5 216 175 3 0 0
VODI 0 0 0 185 291 16 0 0
ODI 0 0 0 21 452 111 0 0
CDI 0 0 0 0 399 723 2 0
VCDI 0 0 0 1 267 2128 775 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 7042 6012 741 559 179 2 0 0
OW 0 0 12 148 153 7 0 0
VODI 0 0 0 124 207 20 0 0
ODI 0 0 0 109 236 88 0 0
CDI 0 0 0 41 547 682 0 0
VCDI 0 0 0 1 340 2182 777 0


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