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: 2017-11-02

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2017-11-06

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 0 487 21 183 39 0 0 0
OW 0 48 6 138 79 0 0 0
VODI 0 15 6 239 212 2 0 0
ODI 0 0 0 39 276 24 0 0
CDI 0 0 0 4 136 256 0 0
VCDI 0 0 0 0 54 2354 10056 22228
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 451 18 144 68 0 0 0
OW 0 50 3 98 37 0 0 0
VODI 0 29 5 166 145 1 0 0
ODI 0 16 4 94 192 19 0 0
CDI 0 4 3 86 163 131 0 0
VCDI 0 0 0 15 191 2485 10056 22228

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 8 2 0 0 0
OW 0 0 0 12 7 0 0 0
VODI 0 0 0 0 225 10 0 0
ODI 0 0 0 0 18 5 0 0
CDI 0 0 0 0 1 0 0 0
VCDI 0 0 0 0 0 285 1359 1201
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 10 41 0 0 0
OW 0 0 0 10 120 4 0 0
VODI 0 0 0 0 85 8 0 0
ODI 0 0 0 0 7 3 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 285 1359 1201

Beaufort Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 452 44 164 14 0 0 0
OW 0 88 34 348 175 4 0 0
VODI 0 78 18 261 414 103 0 0
ODI 0 0 0 5 106 264 0 0
CDI 0 0 0 0 16 332 36 0
VCDI 0 0 0 0 3 924 3396 2703
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 482 62 298 111 0 0 0
OW 0 66 20 249 148 15 2 0
VODI 0 56 9 203 328 148 5 0
ODI 0 14 5 28 83 179 8 0
CDI 0 0 0 0 45 196 25 0
VCDI 0 0 0 0 13 1089 3392 2703

Chuckchi Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 2565 2285 16 53 20 0 0 0
OW 13 104 28 134 51 0 0 0
VODI 0 4 2 57 86 17 0 0
ODI 0 0 0 0 48 27 0 0
CDI 0 0 0 0 22 83 4 0
VCDI 0 0 0 0 0 32 3 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 2563 2167 13 77 30 0 0 0
OW 15 148 10 51 53 4 0 0
VODI 0 70 16 60 30 17 0 0
ODI 0 8 7 45 24 22 2 0
CDI 0 0 0 11 83 31 5 0
VCDI 0 0 0 0 7 85 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 0 622 27 77 0 0 0 0
OW 0 162 29 405 71 0 0 0
VODI 0 0 0 115 473 0 0 0
ODI 0 0 0 0 391 61 0 0
CDI 0 0 0 0 92 336 26 20
VCDI 0 0 0 0 29 374 2603 1333
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 449 23 161 11 0 0 0
OW 0 193 7 147 129 0 0 0
VODI 0 121 20 171 237 13 0 0
ODI 0 21 6 105 244 55 10 1
CDI 0 0 0 13 303 163 57 23
VCDI 0 0 0 0 132 540 2562 1329

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 4 6 0
VCDI 0 0 0 0 7 409 3672 1228
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 31 0
VCDI 0 0 0 0 7 412 3647 1228

Kara Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 807 2601 20 60 0 0 0 0
OW 0 199 24 213 79 3 0 0
VODI 0 2 5 195 359 15 0 0
ODI 0 0 0 1 146 176 0 0
CDI 0 0 0 0 25 326 14 0
VCDI 0 0 0 0 1 294 766 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 807 2521 18 63 4 0 0 0
OW 0 240 20 209 117 5 0 0
VODI 0 41 11 182 297 24 0 0
ODI 0 0 0 15 131 144 0 0
CDI 0 0 0 0 50 295 15 0
VCDI 0 0 0 0 11 346 765 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 8645 2373 19 98 71 0 0 0
OW 0 3 3 40 27 0 0 0
VODI 0 0 0 2 20 0 0 0
ODI 0 0 0 0 13 0 0 0
CDI 0 0 0 0 10 4 0 0
VCDI 0 0 0 0 0 3 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 8645 2339 18 106 98 0 0 0
OW 0 37 4 26 4 0 0 0
VODI 0 0 0 8 16 0 0 0
ODI 0 0 0 0 14 1 0 0
CDI 0 0 0 0 9 2 0 0
VCDI 0 0 0 0 0 4 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 6978 2585 14 194 270 78 0 0
OW 0 28 5 26 26 59 0 0
VODI 0 14 4 25 27 56 4 0
ODI 0 0 1 25 26 33 16 0
CDI 0 0 0 11 68 65 32 0
VCDI 0 0 0 0 9 400 617 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6978 2472 10 177 267 84 0 0
OW 0 71 3 8 13 71 1 0
VODI 0 54 4 37 34 56 11 0
ODI 0 23 3 19 18 28 15 0
CDI 0 7 4 27 27 23 21 0
VCDI 0 0 0 13 67 429 621 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 11923 1062 0 3 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 11923 1062 0 3 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 119 1553 39 476 340 53 0 0
OW 0 5 6 74 106 102 0 0
VODI 0 0 0 37 106 256 0 0
ODI 0 0 0 10 144 230 0 0
CDI 0 0 0 0 180 631 13 0
VCDI 0 0 0 0 11 792 520 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 119 1552 38 509 428 262 0 0
OW 0 6 7 33 21 80 0 0
VODI 0 0 0 45 66 123 0 0
ODI 0 0 0 0 75 221 3 0
CDI 0 0 0 6 96 334 42 0
VCDI 0 0 0 4 201 1044 488 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 4641 3161 22 79 11 0 0 0
OW 21 71 12 122 51 2 0 0
VODI 8 4 3 110 84 14 0 0
ODI 0 0 0 9 73 8 0 0
CDI 0 0 0 1 5 19 0 0
VCDI 0 0 0 0 0 56 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 4609 2848 15 17 0 0 0 0
OW 33 215 5 23 0 0 0 0
VODI 26 145 11 111 27 0 0 0
ODI 2 28 6 169 96 0 0 0
CDI 0 0 0 1 100 20 0 0
VCDI 0 0 0 0 1 79 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 18327 1822 3 7 2 0 0 0
OW 1 18 4 1 0 0 0 0
VODI 0 13 2 9 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 18326 1817 3 7 2 0 0 0
OW 2 14 0 0 0 0 0 0
VODI 0 7 5 0 0 0 0 0
ODI 0 15 1 7 0 0 0 0
CDI 0 0 0 3 0 0 0 0
VCDI 0 0 0 0 0 0 0 0


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