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: 2016-01-14

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2016-01-18

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 0 161 127 59 19 5 0 0
OW 0 23 34 31 15 9 0 0
VODI 0 14 23 34 30 21 0 0
ODI 0 16 13 30 27 28 0 0
CDI 0 10 20 35 44 66 5 0
VCDI 0 0 29 111 280 929 6002 28652
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 97 105 64 23 9 0 0
OW 0 17 19 18 23 16 0 0
VODI 0 21 10 21 26 32 0 0
ODI 0 21 7 13 14 28 0 0
CDI 0 20 28 16 15 45 9 0
VCDI 0 48 77 168 314 928 5998 28652

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 9 0 0 0 0
VCDI 0 0 0 24 127 187 1947 839
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 4 0 0 0 0
CDI 0 0 0 6 0 0 0 0
VCDI 0 0 0 23 127 187 1947 839

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 4 1 0
VCDI 0 0 0 0 0 97 3492 6388
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 0 0
VCDI 0 0 0 0 0 97 3493 6388

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 1 0 0
CDI 0 0 0 0 8 35 0 0
VCDI 0 0 0 0 13 635 2070 2891
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 6 37 0 0
VCDI 0 0 0 0 15 633 2070 2891

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 0
VCDI 0 0 0 0 1 0 284 6961
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 0 284 6961

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 0 144 1742 3440
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 1 0 0
VCDI 0 0 0 0 0 143 1742 3440

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 96 65 7 0 0 0 0
OW 0 25 98 21 0 0 0 0
VODI 0 12 61 143 4 0 0 0
ODI 0 0 2 80 71 4 0 0
CDI 0 0 0 26 124 116 17 0
VCDI 0 0 0 20 102 872 4341 24
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 72 15 0 0 0 0 0
OW 0 10 35 4 0 0 0 0
VODI 0 32 74 28 1 0 0 0
ODI 0 15 75 72 6 0 0 0
CDI 0 4 27 130 76 46 16 0
VCDI 0 0 0 63 218 946 4342 24

Barents Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 2350 5563 592 79 9 0 0 0
OW 1 41 217 172 13 0 0 0
VODI 0 0 24 299 65 0 0 0
ODI 0 0 0 81 266 11 0 0
CDI 0 0 0 37 335 206 0 0
VCDI 0 0 0 6 219 470 275 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 2351 5391 510 68 8 0 0 0
OW 0 177 133 92 9 0 0 0
VODI 0 36 136 146 31 0 0 0
ODI 0 0 50 162 66 9 0 0
CDI 0 0 4 144 259 63 0 0
VCDI 0 0 0 62 534 615 275 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 1514 6214 848 65 0 0 0 0
OW 0 0 55 108 10 0 0 0
VODI 0 0 5 133 34 1 0 0
ODI 0 0 0 53 82 6 0 0
CDI 0 0 0 7 147 86 0 0
VCDI 0 0 0 0 25 568 1735 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 1514 6207 776 68 0 0 0 0
OW 0 7 97 66 16 0 0 0
VODI 0 0 35 127 34 2 0 0
ODI 0 0 0 74 54 9 0 0
CDI 0 0 0 30 128 91 0 0
VCDI 0 0 0 1 66 559 1735 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 6696 4242 728 279 108 71 9 0
OW 0 4 38 91 36 43 0 0
VODI 0 0 0 75 35 22 0 0
ODI 0 0 0 20 67 33 0 0
CDI 0 0 0 0 57 119 39 0
VCDI 0 0 0 0 0 74 102 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6696 4246 750 310 138 91 9 0
OW 0 0 14 68 19 43 0 0
VODI 0 0 2 58 40 29 0 0
ODI 0 0 0 26 42 47 2 0
CDI 0 0 0 3 64 116 138 0
VCDI 0 0 0 0 0 36 1 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 1 51 20 0 0 0 0
OW 0 0 20 26 0 0 0 0
VODI 0 0 12 47 10 0 0 0
ODI 0 0 11 40 24 1 0 0
CDI 0 0 1 54 35 28 1 0
VCDI 0 0 0 48 195 1139 3882 157
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 3 15 0 0 0 0
VODI 0 0 20 6 0 0 0 0
ODI 0 0 22 13 0 0 0 0
CDI 0 1 22 45 2 7 3 0
VCDI 0 0 28 156 262 1161 3880 157

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 0 0 0
CDI 0 0 0 0 0 61 23 0
VCDI 0 0 0 0 8 805 6178 1512
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 61 33 0
VCDI 0 0 0 0 8 805 6168 1512

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 9035 6251 742 223 0 0 0 0
OW 0 1 121 354 18 0 0 0
VODI 0 0 5 273 184 2 0 0
ODI 0 0 0 51 270 44 0 0
CDI 0 0 0 12 183 161 2 0
VCDI 0 0 0 6 211 1252 808 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 9035 6130 514 157 0 0 0 0
OW 0 83 169 146 12 0 0 0
VODI 0 39 150 277 72 1 0 0
ODI 0 0 34 199 176 20 0 0
CDI 0 0 1 103 203 59 0 0
VCDI 0 0 0 37 403 1379 810 0


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