Description of algorithm
Interpretation of results
Full domain
American sector
  Ice concntr, edge pos
  Contingency tables
European sector
Asian sector

Validation of sea ice concentration - American sector

Reference date: 2018-06-07

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2018-06-01:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 55 2153 38 229 55 7 0 0
OW 0 178 15 122 54 3 1 0
VODI 0 215 31 353 178 12 1 0
ODI 0 139 28 568 688 76 21 1
CDI 0 75 23 407 1510 2092 1101 34
VCDI 0 0 0 5 102 1118 13277 20901

Date: 2018-06-03:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 81 2307 39 301 103 5 0 0
OW 0 158 21 121 76 5 0 0
VODI 0 225 22 419 186 25 2 1
ODI 0 214 42 526 528 113 3 1
CDI 0 106 27 360 1555 2111 922 18
VCDI 0 2 0 2 61 1394 14007 19777

Date: 2018-06-05:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 137 2363 45 398 111 4 0 0
OW 0 167 14 145 60 4 2 0
VODI 0 294 39 413 156 11 3 0
ODI 0 358 42 376 474 86 36 0
CDI 0 97 26 353 1639 2349 900 13
VCDI 0 3 0 0 42 1268 14004 19434

Date: 2018-06-07:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 141 2459 55 488 151 15 0 0
OW 0 175 21 134 79 9 0 0
VODI 0 375 43 380 171 19 6 1
ODI 0 298 41 338 579 112 51 6
CDI 0 98 16 324 1542 2568 1575 119
VCDI 0 1 0 1 25 869 10852 21729

Date: 2018-06-09:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 151 2588 67 544 207 13 0 0
OW 0 159 22 149 85 3 1 0
VODI 0 302 45 384 269 22 8 0
ODI 0 229 28 355 723 118 80 0
CDI 0 89 15 267 1319 2522 2735 324
VCDI 0 0 0 0 29 1942 17695 12377

Date: 2018-06-11:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 115 2388 75 541 148 10 0 0
OW 0 189 15 147 86 14 0 0
VODI 0 383 40 396 241 32 11 0
ODI 0 330 45 516 907 118 59 2
CDI 0 344 11 287 1900 5039 1505 164
VCDI 0 0 0 0 16 1518 13292 14982

Date: 2018-06-13:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 131 2185 58 541 167 7 0 0
OW 0 210 15 191 92 7 0 0
VODI 0 316 35 498 286 37 0 1
ODI 0 247 41 638 996 667 36 6
CDI 0 58 11 241 1775 5574 2324 283
VCDI 0 0 0 0 132 2187 11325 14548

Date: 2018-06-15:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 121 2423 95 712 209 1 0 0
OW 0 249 15 187 123 6 0 0
VODI 0 428 34 443 304 18 0 0
ODI 0 279 45 690 1099 506 4 0
CDI 0 30 8 231 2203 7841 2249 2
VCDI 0 0 0 0 21 2010 12519 10761


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