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: 2017-09-28

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2017-09-22:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 20224 5964 44 153 16 0 0 0
OW 19 715 17 149 18 1 0 0
VODI 3 787 49 428 338 22 0 0
ODI 0 140 26 384 771 237 9 0
CDI 0 1 2 48 539 3525 837 0
VCDI 0 0 0 0 0 3798 6400 202

Date: 2017-09-24:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 20029 5957 60 143 9 7 0 0
OW 26 943 22 167 40 12 0 0
VODI 4 705 58 402 239 44 2 0
ODI 0 135 24 366 584 339 51 0
CDI 0 17 3 71 436 2061 999 0
VCDI 0 0 0 0 4 1645 9705 557

Date: 2017-09-26:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 18718 5907 59 154 13 0 0 0
OW 53 1736 37 354 112 0 0 0
VODI 9 608 47 428 376 52 0 0
ODI 1 80 13 216 757 373 6 0
CDI 0 4 3 70 436 2044 1204 36
VCDI 0 0 0 0 16 1517 9186 1241

Date: 2017-09-28:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 18615 5890 38 120 2 0 0 0
OW 23 1325 20 79 26 7 0 0
VODI 33 769 66 607 502 126 0 0
ODI 2 109 17 190 570 404 42 0
CDI 0 0 0 56 468 1847 2186 247
VCDI 0 0 0 0 0 322 6254 4904

Date: 2017-09-30:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 17626 6617 43 140 14 0 0 0
OW 43 1113 17 127 25 3 0 0
VODI 44 802 74 556 427 153 0 0
ODI 12 90 19 201 522 447 154 0
CDI 0 0 0 43 363 1274 1558 140
VCDI 0 0 0 0 1 294 4340 8584

Date: 2017-10-02:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 17029 6705 52 141 13 0 0 0
OW 35 1308 30 114 28 0 0 0
VODI 45 540 68 582 508 29 0 0
ODI 17 106 15 173 592 521 108 0
CDI 0 4 0 11 283 1615 1335 0
VCDI 0 0 0 0 2 352 8519 4986

Date: 2017-10-04:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 16186 7471 63 180 12 0 0 0
OW 63 1375 36 167 18 0 0 0
VODI 62 529 63 539 346 8 0 0
ODI 10 77 14 289 623 247 0 0
CDI 0 13 1 56 533 1171 585 0
VCDI 0 0 0 3 95 1364 9607 4060

Date: 2017-10-06:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 16564 7630 75 144 20 3 0 0
OW 61 858 29 119 16 3 0 0
VODI 61 543 75 504 367 31 0 0
ODI 5 93 22 201 689 146 1 1
CDI 0 8 0 63 495 1144 426 35
VCDI 0 0 0 0 74 1127 9019 5214


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