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: 2017-06-22

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2017-06-26

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 1 5 32 1 0 0 0
OW 0 0 0 48 3 0 0 0
VODI 0 0 0 93 52 1 0 0
ODI 0 0 0 73 136 19 0 0
CDI 0 0 0 34 428 2300 331 0
VCDI 0 0 0 0 219 6154 16385 10587
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 1 4 33 1 0 0 0
OW 0 0 1 37 15 0 0 0
VODI 0 0 0 48 84 5 0 0
ODI 0 0 0 55 73 68 1 0
CDI 0 0 0 106 400 1582 987 0
VCDI 0 0 0 1 266 6819 15728 10587

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 0 180 2 0 0 0
OW 0 0 0 93 11 0 0 0
VODI 0 0 0 10 27 0 0 0
ODI 0 2 1 11 29 0 0 0
CDI 0 0 0 16 193 42 0 0
VCDI 0 0 0 57 710 652 786 311
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 193 5 0 0 0
OW 0 0 0 70 18 0 0 0
VODI 0 0 0 20 21 0 0 0
ODI 0 2 1 8 14 0 0 0
CDI 0 0 0 19 134 36 0 0
VCDI 0 0 0 57 780 658 786 311

Beaufort Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 338 865 344 6 0 0 0
OW 0 5 27 101 14 0 0 0
VODI 0 3 24 73 75 0 0 0
ODI 0 1 24 65 245 4 0 0
CDI 0 0 27 137 1751 446 0 0
VCDI 0 0 0 0 388 3117 1641 261
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 324 801 341 10 0 0 0
OW 0 8 39 97 17 0 0 0
VODI 0 8 41 63 69 0 0 0
ODI 0 4 43 21 141 1 0 0
CDI 0 3 43 198 1468 327 0 0
VCDI 0 0 0 0 774 3239 1641 261

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 1193 1205 176 0 0 0 0
OW 0 5 54 215 0 0 0 0
VODI 0 0 3 164 59 0 0 0
ODI 0 0 0 5 227 22 0 0
CDI 0 0 0 0 163 912 113 0
VCDI 0 0 0 0 14 669 455 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 1193 1156 126 0 0 0 0
OW 0 5 87 233 17 0 0 0
VODI 0 0 19 191 107 12 0 0
ODI 0 0 0 10 146 148 0 0
CDI 0 0 0 0 154 671 319 0
VCDI 0 0 0 0 39 772 249 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 0 135 538 218 0 0 0 0
OW 0 0 48 256 14 0 0 0
VODI 0 0 0 331 254 9 2 0
ODI 0 0 0 177 1053 129 12 0
CDI 0 0 0 0 429 1984 245 0
VCDI 0 0 0 0 1 120 1286 5
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 122 444 213 1 0 0 0
OW 0 13 57 165 40 2 0 0
VODI 0 0 74 246 223 11 4 0
ODI 0 0 11 194 537 94 20 0
CDI 0 0 0 164 949 2025 803 0
VCDI 0 0 0 0 1 110 718 5

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 13 179 2 0 0 0
OW 0 0 12 222 28 0 0 0
VODI 0 0 8 472 246 3 0 0
ODI 0 0 0 305 926 65 0 0
CDI 0 0 0 31 483 1139 203 0
VCDI 0 0 0 0 0 74 915 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 12 90 12 0 0 0
OW 0 0 4 133 65 0 0 0
VODI 0 0 7 295 250 22 0 0
ODI 0 0 8 372 448 252 5 0
CDI 0 0 2 319 910 1003 1100 0
VCDI 0 0 0 0 0 4 13 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 0 1037 651 433 32 3 1 0
OW 0 0 15 365 19 0 1 0
VODI 0 0 0 352 304 12 1 0
ODI 0 0 0 35 1213 178 0 0
CDI 0 0 0 0 139 1183 91 0
VCDI 0 0 0 0 0 1 265 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 1037 654 580 54 3 1 0
OW 0 0 12 353 122 3 1 0
VODI 0 0 0 196 709 130 1 0
ODI 0 0 0 56 644 512 17 0
CDI 0 0 0 0 178 729 261 0
VCDI 0 0 0 0 0 0 78 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 4420 5096 784 177 0 0 0 0
OW 0 5 20 135 0 1 0 0
VODI 0 0 2 114 29 4 0 0
ODI 0 0 0 24 115 44 0 0
CDI 0 0 0 5 38 257 58 0
VCDI 0 0 0 0 0 0 3 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 4420 5083 748 186 0 0 0 0
OW 0 18 40 136 1 1 0 0
VODI 0 0 15 87 57 8 0 0
ODI 0 0 3 22 93 125 0 0
CDI 0 0 0 24 31 172 59 0
VCDI 0 0 0 0 0 0 2 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 3951 3880 665 390 49 0 0 0
OW 0 0 0 155 59 0 0 0
VODI 0 0 0 116 249 1 0 0
ODI 0 0 0 23 1079 78 0 0
CDI 0 0 0 28 365 608 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 3951 3880 659 412 82 0 0 0
OW 0 0 6 148 144 0 0 0
VODI 0 0 0 98 377 5 0 0
ODI 0 0 0 18 609 143 0 0
CDI 0 0 0 36 589 539 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 7204 4007 740 378 130 5 0 0
OW 0 3 13 76 49 1 0 0
VODI 0 3 0 43 99 11 0 0
ODI 0 0 0 1 120 54 0 0
CDI 0 0 0 0 17 34 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 7204 4007 736 417 168 5 0 0
OW 0 3 12 44 117 8 0 0
VODI 0 3 5 37 111 57 0 0
ODI 0 0 0 0 19 35 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 1180 949 701 11 0 0 0
OW 0 0 6 288 26 0 0 0
VODI 0 0 0 113 244 0 0 0
ODI 0 0 0 0 419 166 0 0
CDI 0 0 0 0 66 1396 109 0
VCDI 0 0 0 0 0 44 85 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 1180 921 756 35 0 0 0
OW 0 0 34 213 93 0 0 0
VODI 0 0 0 124 278 30 0 0
ODI 0 0 0 9 274 263 0 0
CDI 0 0 0 0 85 1254 151 0
VCDI 0 0 0 0 1 59 43 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 1957 1877 1334 67 0 0 0
OW 0 7 6 381 52 0 0 0
VODI 0 6 14 334 478 1 0 0
ODI 0 0 14 69 965 77 8 0
CDI 0 0 0 175 185 458 121 0
VCDI 0 0 0 0 0 1 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 1940 1868 1395 81 0 0 0
OW 0 16 8 396 227 0 0 0
VODI 0 6 5 171 329 23 2 0
ODI 0 8 26 70 674 103 40 0
CDI 0 0 4 261 421 405 87 0
VCDI 0 0 0 0 15 6 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 8816 7585 2185 675 70 0 0 0
OW 0 0 1 146 19 0 0 0
VODI 0 0 0 94 92 3 0 0
ODI 0 0 0 0 154 57 0 0
CDI 0 0 0 0 9 293 0 0
VCDI 0 0 0 0 0 10 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 8816 7585 2181 717 86 6 0 0
OW 0 0 5 127 42 15 0 0
VODI 0 0 0 71 123 53 0 0
ODI 0 0 0 0 85 119 0 0
CDI 0 0 0 0 8 134 0 0
VCDI 0 0 0 0 0 36 0 0


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