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: 2017-11-09

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2017-11-13

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 0 646 23 180 27 0 0 0
OW 0 106 13 162 55 0 0 0
VODI 0 78 11 177 172 6 0 0
ODI 0 8 4 114 198 59 0 0
CDI 0 0 0 36 191 229 2 0
VCDI 0 0 0 2 169 2655 9694 21885
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 582 18 146 13 0 0 0
OW 0 69 6 76 72 0 0 0
VODI 0 103 9 152 85 23 0 0
ODI 0 72 12 160 167 41 0 0
CDI 0 12 6 101 170 98 8 0
VCDI 0 0 0 36 305 2787 9688 21885

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 6 0 0
ODI 0 0 0 0 0 20 1 0
CDI 0 0 0 0 0 92 43 0
VCDI 0 0 0 0 0 173 975 1823
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 2 0 0
ODI 0 0 0 0 0 12 0 0
CDI 0 0 0 0 0 14 5 0
VCDI 0 0 0 0 0 263 1014 1823

Beaufort Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 213 14 46 5 0 0 0
OW 0 4 4 65 61 5 0 0
VODI 0 0 0 21 346 96 0 0
ODI 0 0 0 0 150 546 0 0
CDI 0 0 0 0 0 746 158 0
VCDI 0 0 0 0 0 202 2878 4422
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 154 5 20 0 0 0 0
OW 0 63 13 93 55 0 0 0
VODI 0 0 0 19 342 69 0 0
ODI 0 0 0 0 165 510 0 0
CDI 0 0 0 0 0 576 83 0
VCDI 0 0 0 0 0 440 2953 4422

Chuckchi Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 1275 3084 38 149 34 0 0 0
OW 20 35 16 211 174 0 0 0
VODI 0 2 0 51 267 43 0 0
ODI 0 0 0 0 62 81 0 0
CDI 0 0 0 0 0 83 2 0
VCDI 0 0 0 0 0 19 8 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 1275 2987 29 165 115 0 0 0
OW 20 114 21 119 124 0 0 0
VODI 0 20 4 118 171 36 0 0
ODI 0 0 0 9 94 36 0 0
CDI 0 0 0 0 28 74 0 0
VCDI 0 0 0 0 5 80 10 0

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 1 2 0 0 0 0
VODI 0 0 0 20 22 28 0 0
ODI 0 0 0 0 110 600 47 0
CDI 0 0 0 0 1 698 779 8
VCDI 0 0 0 0 0 109 1511 3310
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 1 9 5 150 0 0
ODI 0 0 0 13 106 684 92 0
CDI 0 0 0 0 12 290 237 55
VCDI 0 0 0 0 10 311 2008 3263

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 0 99 5227
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 99 5227

Kara Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 319 1784 29 70 0 0 0 0
OW 0 43 18 179 38 0 0 0
VODI 0 3 0 96 202 0 0 0
ODI 0 0 0 6 264 200 4 0
CDI 0 0 0 0 25 430 444 0
VCDI 0 0 0 0 14 218 1856 89
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 319 1469 7 18 0 0 0 0
OW 0 267 19 84 26 0 0 0
VODI 0 68 16 162 158 6 0 0
ODI 0 25 5 77 197 239 62 0
CDI 0 1 0 10 120 199 245 0
VCDI 0 0 0 0 42 404 1997 89

Barents Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 8959 2236 14 8 0 0 0 0
OW 0 33 4 13 0 0 0 0
VODI 0 0 2 18 0 0 0 0
ODI 0 0 0 6 7 0 0 0
CDI 0 0 0 0 10 0 0 0
VCDI 0 0 0 0 16 5 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 8959 2036 8 8 0 0 0 0
OW 0 164 6 3 0 0 0 0
VODI 0 63 2 11 0 0 0 0
ODI 0 6 4 12 2 0 0 0
CDI 0 0 0 11 10 0 0 0
VCDI 0 0 0 0 21 5 0 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 6980 2576 23 200 168 50 0 0
OW 0 32 4 31 77 8 0 0
VODI 0 5 6 37 80 40 0 0
ODI 0 0 0 23 30 61 0 0
CDI 0 0 0 3 48 71 0 0
VCDI 0 0 0 0 28 565 550 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6980 2541 23 200 179 55 0 0
OW 0 45 1 19 72 3 0 0
VODI 0 26 5 26 58 21 0 0
ODI 0 1 4 22 34 49 0 0
CDI 0 0 0 24 29 77 0 0
VCDI 0 0 0 3 59 590 550 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 11557 1425 1 5 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 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 11557 1425 1 5 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 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 1190 32 170 8 0 0 0
OW 0 0 4 158 154 22 0 0
VODI 0 0 0 40 244 194 0 0
ODI 0 0 0 10 134 187 0 0
CDI 0 0 0 10 111 291 49 0
VCDI 0 0 0 0 217 1134 1444 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 1156 18 105 40 60 0 0
OW 0 34 17 126 170 63 0 0
VODI 0 0 1 105 209 238 0 0
ODI 0 0 0 37 64 150 11 0
CDI 0 0 0 8 82 153 93 0
VCDI 0 0 0 7 303 1164 1389 0

Hudson Bay:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 2584 4378 32 117 11 0 0 0
OW 0 280 21 213 51 0 0 0
VODI 0 43 10 187 105 0 0 0
ODI 0 0 0 40 135 1 0 0
CDI 0 0 0 0 66 163 0 0
VCDI 0 0 0 0 12 138 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 2584 4205 23 90 0 0 0 0
OW 0 372 14 139 18 0 0 0
VODI 0 102 18 175 82 0 0 0
ODI 0 22 8 103 90 1 0 0
CDI 0 0 0 50 118 30 0 0
VCDI 0 0 0 0 72 271 0 0

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 17938 2204 6 5 0 0 0 0
OW 2 13 0 3 0 0 0 0
VODI 0 5 1 7 0 0 0 0
ODI 0 0 4 21 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 17937 2044 4 2 0 0 0 0
OW 3 167 2 3 0 0 0 0
VODI 0 6 0 4 0 0 0 0
ODI 0 3 2 7 0 0 0 0
CDI 0 2 3 20 0 0 0 0
VCDI 0 0 0 0 0 0 0 0


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