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: 2018-06-28

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2018-06-22:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 249 3392 101 851 357 1 0 0
OW 0 243 15 221 198 6 0 0
VODI 0 463 51 557 516 13 0 0
ODI 0 198 38 589 2526 1347 0 0
CDI 0 18 10 209 2268 7520 1534 392
VCDI 0 0 0 0 30 1447 8300 12206

Date: 2018-06-24:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 309 3752 101 972 520 7 0 0
OW 0 277 22 224 220 7 0 0
VODI 0 435 51 511 516 37 0 0
ODI 0 215 34 507 1886 1746 4 0
CDI 0 34 10 240 2280 6322 3712 114
VCDI 0 0 0 0 6 980 8416 11399

Date: 2018-06-26:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 533 4223 91 963 442 0 0 0
OW 0 281 23 252 195 1 0 0
VODI 0 440 59 561 570 21 0 0
ODI 0 312 43 725 2724 789 3 0
CDI 0 44 8 179 3172 9729 297 4
VCDI 0 0 0 0 19 2377 6010 10776

Date: 2018-06-28:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 653 4585 151 1111 501 14 0 0
OW 0 234 18 270 197 15 0 0
VODI 0 427 42 454 567 75 2 0
ODI 0 381 43 594 2235 1294 7 0
CDI 0 21 6 108 3518 10535 288 0
VCDI 0 0 0 0 15 1955 6073 9477

Date: 2018-06-30:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 755 5069 145 1247 442 33 0 0
OW 0 284 22 251 177 20 0 0
VODI 0 480 37 519 525 81 1 0
ODI 0 330 31 609 2390 1506 11 0
CDI 0 23 3 138 3926 9918 374 0
VCDI 0 0 0 0 28 2568 6275 7648

Date: 2018-07-02:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 905 5417 179 1280 513 86 0 0
OW 0 343 24 230 189 32 0 0
VODI 0 572 39 491 597 77 2 0
ODI 0 327 38 675 4223 437 1 0
CDI 0 3 1 97 2801 9864 274 10
VCDI 0 0 0 0 32 3098 8046 4963

Date: 2018-07-04:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 1259 5674 169 1203 460 122 0 0
OW 20 319 18 269 198 32 0 0
VODI 24 503 31 558 576 80 3 0
ODI 8 325 45 849 4196 1708 1 0
CDI 0 6 0 94 3965 7958 546 2
VCDI 0 0 0 0 3 4086 8919 1637

Date: 2018-07-06:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 1533 5877 177 1175 459 99 10 0
OW 12 277 21 304 120 29 2 0
VODI 12 517 41 758 471 63 4 0
ODI 8 312 49 1001 6157 451 2 0
CDI 0 2 1 53 4475 8638 596 0
VCDI 0 0 0 0 10 3553 7518 1079


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