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: 2017-07-27

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2017-07-31

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 0 787 37 175 27 0 0 0
OW 0 61 26 268 59 0 0 0
VODI 0 0 0 979 543 4 0 0
ODI 0 0 0 46 4764 633 0 0
CDI 0 0 0 1 1244 14640 1472 0
VCDI 0 0 0 0 0 918 6786 3432
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 801 46 291 93 0 0 0
OW 0 47 17 415 212 2 0 0
VODI 0 0 0 655 1304 170 0 0
ODI 0 0 0 100 2600 2855 149 0
CDI 0 0 0 8 2428 12014 2169 5
VCDI 0 0 0 0 0 1154 5940 3427

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 0 520 31 45 0 0 0 0
OW 0 11 4 34 3 0 0 0
VODI 0 0 0 84 79 0 0 0
ODI 0 0 1 19 231 2 0 0
CDI 0 0 0 7 221 223 41 0
VCDI 0 0 0 5 184 457 782 149
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 507 28 36 3 0 0 0
OW 0 20 5 37 6 0 0 0
VODI 0 4 2 58 70 0 0 0
ODI 0 0 1 32 131 7 0 0
CDI 0 0 0 25 219 166 78 0
VCDI 0 0 0 6 289 509 745 149

Beaufort Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 380 2877 41 131 0 0 0 0
OW 0 21 14 268 0 0 0 0
VODI 0 0 0 422 167 0 0 0
ODI 0 0 0 15 959 31 0 0
CDI 0 0 0 0 917 2255 33 0
VCDI 0 0 0 0 0 787 664 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 380 2769 29 146 0 0 0 0
OW 0 108 17 149 32 0 0 0
VODI 0 21 9 354 135 0 0 0
ODI 0 0 0 161 448 62 0 0
CDI 0 0 0 26 1428 2021 126 0
VCDI 0 0 0 0 0 990 571 0

Chuckchi Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 3124 1922 12 56 0 0 0 0
OW 0 194 21 123 0 0 0 0
VODI 0 4 8 190 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 3124 1773 8 42 0 0 0 0
OW 0 223 13 152 0 0 0 0
VODI 0 124 20 175 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

Siberian Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 1659 3540 35 43 0 0 0 0
OW 0 76 41 314 5 0 0 0
VODI 0 4 0 361 167 0 0 0
ODI 0 0 0 2 676 34 0 0
CDI 0 0 0 0 17 272 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 1659 3437 32 69 2 0 0 0
OW 0 180 42 247 38 0 0 0
VODI 0 3 2 394 328 0 0 0
ODI 0 0 0 10 497 306 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0

Laptev Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 12 2337 41 147 5 0 0 0
OW 0 101 44 186 14 0 0 0
VODI 0 2 4 306 107 0 0 0
ODI 0 0 0 41 471 26 0 0
CDI 0 0 0 0 113 881 250 0
VCDI 0 0 0 0 0 19 219 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 12 2091 43 223 30 0 0 0
OW 0 250 20 131 53 0 0 0
VODI 0 94 26 243 199 28 0 0
ODI 0 5 0 82 299 427 33 0
CDI 0 0 0 1 129 471 436 0
VCDI 0 0 0 0 0 0 0 0

Kara Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 1484 4060 50 204 13 0 0 0
OW 0 14 11 167 29 0 0 0
VODI 0 0 0 44 113 0 0 0
ODI 0 0 0 0 121 4 0 0
CDI 0 0 0 0 11 6 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 1484 4014 42 233 37 0 0 0
OW 0 46 14 120 59 2 0 0
VODI 0 14 5 62 95 4 0 0
ODI 0 0 0 0 89 4 0 0
CDI 0 0 0 0 7 0 0 0
VCDI 0 0 0 0 0 0 0 0

Barents Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 9296 1796 15 77 0 0 0 0
OW 0 4 0 92 2 0 0 0
VODI 0 0 0 49 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 9296 1798 15 98 2 0 0 0
OW 0 2 0 75 0 0 0 0
VODI 0 0 0 45 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

Greenland Basin:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 7186 3138 70 273 48 0 0 0
OW 0 6 8 200 18 0 0 0
VODI 0 0 0 176 136 0 0 0
ODI 0 0 0 18 340 14 0 0
CDI 0 0 0 0 5 60 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 7186 3128 71 363 60 0 0 0
OW 0 16 6 175 59 0 0 0
VODI 0 0 1 111 380 19 0 0
ODI 0 0 0 18 48 55 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 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 12573 415 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 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 12573 415 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 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 2182 2804 30 222 73 0 0 0
OW 0 8 6 131 10 0 0 0
VODI 0 0 0 273 54 0 0 0
ODI 0 0 0 3 7 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 2182 2698 23 193 76 0 0 0
OW 0 107 10 153 14 0 0 0
VODI 0 7 3 256 47 0 0 0
ODI 0 0 0 27 7 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 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 6766 1478 33 155 0 0 0 0
OW 0 1 1 122 0 0 0 0
VODI 0 0 0 31 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 6766 1423 21 138 0 0 0 0
OW 0 56 13 116 0 0 0 0
VODI 0 0 0 54 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

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 18936 1056 31 155 0 0 0 0
OW 0 0 0 22 7 0 0 0
VODI 0 0 0 0 2 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 18936 1033 27 106 0 0 0 0
OW 0 16 3 55 0 0 0 0
VODI 0 7 1 16 9 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


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