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: 2016-04-14

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2016-04-18

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 0 0 1 0 0 0 0
OW 0 0 0 8 1 0 0 0
VODI 0 0 0 32 17 0 0 0
ODI 0 0 0 6 15 12 0 0
CDI 0 0 0 0 14 64 4 0
VCDI 0 0 0 0 163 495 6689 29381
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 4 4 0 0 0
VODI 0 0 0 15 14 3 0 0
ODI 0 0 0 28 11 15 0 0
CDI 0 0 0 0 13 50 8 0
VCDI 0 0 0 0 168 503 6685 29381

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 33 157 154 2140 649
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 4 1 3 0
VCDI 0 0 0 33 153 153 2137 649

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 1 13 27 11 0
VCDI 0 0 0 14 143 620 3996 5157
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 1 19 35 29 0
VCDI 0 0 0 14 137 612 3978 5157

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 44 0 0 0
CDI 0 0 0 0 76 39 2 0
VCDI 0 0 0 0 48 373 3458 1614
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 24 1 0 0
CDI 0 0 0 0 39 27 0 0
VCDI 0 0 0 0 105 384 3460 1614

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 33 2
VCDI 0 0 0 0 1 26 2475 4709
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 37 4
VCDI 0 0 0 0 1 26 2471 4707

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 5 4 0
CDI 0 0 0 0 4 47 33 0
VCDI 0 0 0 0 41 289 3088 1815
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 5 6 0
CDI 0 0 0 0 2 41 47 0
VCDI 0 0 0 0 43 295 3072 1815

Kara Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 263 59 6 0 0 0 0
OW 0 0 21 19 0 0 0 0
VODI 0 0 10 32 3 0 0 0
ODI 0 0 1 29 16 22 0 0
CDI 0 0 0 41 64 113 26 0
VCDI 0 0 0 6 82 641 4578 299
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 129 14 1 0 0 0 0
OW 0 33 0 0 0 0 0 0
VODI 0 49 1 2 0 0 0 0
ODI 0 42 4 6 0 8 0 0
CDI 0 10 46 13 9 102 102 1
VCDI 0 0 26 111 156 666 4502 298

Barents Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 2644 5462 604 99 1 0 0 0
OW 0 0 108 246 14 0 0 0
VODI 0 0 5 282 93 0 0 0
ODI 0 0 0 66 225 21 0 0
CDI 0 0 0 9 147 176 13 0
VCDI 0 0 0 0 79 708 329 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 2644 5195 374 79 4 0 0 0
OW 0 145 143 105 12 0 0 0
VODI 0 70 109 157 27 0 0 0
ODI 0 31 48 177 93 15 8 0
CDI 0 21 38 150 238 106 71 0
VCDI 0 0 5 34 185 784 263 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 4930 3560 309 79 4 0 0 0
OW 0 6 48 108 19 0 0 0
VODI 0 0 14 101 53 1 0 0
ODI 0 0 1 44 84 14 0 0
CDI 0 0 0 35 130 108 4 0
VCDI 0 0 0 0 48 615 1381 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 4930 3503 242 79 10 0 0 0
OW 0 39 61 71 22 0 0 0
VODI 0 19 31 88 43 6 0 0
ODI 0 5 16 43 53 25 0 0
CDI 0 0 20 29 64 44 1 0
VCDI 0 0 2 57 146 663 1384 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 7640 3650 487 380 43 0 0 0
OW 0 0 23 135 26 0 0 0
VODI 0 0 0 49 118 1 0 0
ODI 0 0 0 7 138 78 0 0
CDI 0 0 0 0 23 178 0 0
VCDI 0 0 0 0 0 12 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 7640 3650 494 430 54 0 0 0
OW 0 0 15 87 66 1 0 0
VODI 0 0 1 39 135 53 0 0
ODI 0 0 0 15 42 118 0 0
CDI 0 0 0 0 51 86 0 0
VCDI 0 0 0 0 0 11 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 91 48 50 3 0 0 0
OW 0 0 11 41 11 0 0 0
VODI 0 0 0 42 68 0 0 0
ODI 0 0 0 14 151 14 0 0
CDI 0 0 0 5 213 125 0 0
VCDI 0 0 0 0 135 1881 2900 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 89 34 47 4 0 0 0
OW 0 2 20 41 22 0 0 0
VODI 0 0 5 34 69 8 0 0
ODI 0 0 0 23 112 7 0 0
CDI 0 0 0 7 159 75 0 0
VCDI 0 0 0 0 215 1930 2900 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 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 6 0 0 0
CDI 0 0 0 5 17 199 16 0
VCDI 0 0 0 1 84 1095 5435 1729
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 5 17 178 15 0
VCDI 0 0 0 1 86 1116 5436 1729

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6364 7182 918 886 135 0 0 0
OW 0 3 25 388 382 0 0 0
VODI 0 0 0 116 644 1 0 0
ODI 0 0 0 0 556 107 0 0
CDI 0 0 0 0 276 755 10 0
VCDI 0 0 0 6 58 760 637 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6364 7185 936 1146 602 0 0 0
OW 0 0 7 202 466 38 0 0
VODI 0 0 0 41 389 12 0 0
ODI 0 0 0 1 290 150 0 0
CDI 0 0 0 0 207 590 0 0
VCDI 0 0 0 6 97 833 647 0


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