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

Validation of sea ice concentration - Full domain

Reference date: 2021-02-11

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2021-02-05:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70543 13327 70 248 74 23 1 0
OW 81 820 66 337 128 17 1 0
VODI 66 919 99 616 563 115 3 0
ODI 1 454 71 609 847 441 86 10
CDI 0 64 17 320 1401 3266 3143 113
VCDI 0 8 0 12 127 2972 26807 58162

Date: 2021-02-07:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70766 12936 57 188 44 30 8 0
OW 145 1095 61 245 62 12 3 0
VODI 59 957 98 708 430 68 9 0
ODI 0 414 69 490 1002 321 29 5
CDI 0 60 27 334 1254 3001 3369 382
VCDI 0 0 0 6 242 2991 24074 60997

Date: 2021-02-09:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70428 12363 59 207 48 25 8 0
OW 359 1614 71 207 54 8 4 0
VODI 29 1002 114 715 375 42 9 2
ODI 0 263 54 581 1110 263 40 10
CDI 0 34 17 240 1265 3634 1665 229
VCDI 0 3 0 63 203 3224 23254 63153

Date: 2021-02-11:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70457 11999 65 207 61 30 5 0
OW 300 1527 46 235 48 8 4 0
VODI 14 847 93 655 590 63 10 0
ODI 0 232 57 622 773 486 79 19
CDI 0 24 18 303 1205 2923 2227 360
VCDI 0 6 0 75 390 2994 26874 60117

Date: 2021-02-13:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70099 12244 56 162 44 30 4 0
OW 192 1452 52 186 35 12 3 0
VODI 18 882 112 726 433 31 2 9
ODI 0 183 56 689 861 357 46 64
CDI 0 14 14 232 1379 2612 2377 488
VCDI 0 1 2 64 212 2061 19642 68910

Date: 2021-02-15:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70105 12304 65 167 35 15 9 0
OW 215 1181 41 181 36 4 3 0
VODI 21 906 107 670 410 13 4 1
ODI 0 218 65 684 983 317 41 19
CDI 0 10 8 193 1583 2924 2042 225
VCDI 0 0 0 0 80 1835 18875 70453

Date: 2021-02-17:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70232 12635 63 183 53 13 1 0
OW 101 951 39 114 13 3 4 0
VODI 65 989 115 563 252 22 6 4
ODI 0 310 87 700 889 224 48 23
CDI 0 33 15 402 1849 3191 1207 106
VCDI 0 0 0 18 96 2174 18697 70558

Date: 2021-02-19:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 69179 12698 413 684 114 12 0 0
OW 218 1002 40 170 35 3 1 0
VODI 15 961 101 535 260 31 6 0
ODI 0 286 85 719 814 200 65 12
CDI 0 55 34 1114 1540 3037 1360 74
VCDI 0 20 4 2936 2783 2363 18090 64979


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