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: 2019-10-31

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2019-10-25:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 109855 18382 169 785 214 2 0 0
OW 313 3904 118 1119 647 40 0 0
VODI 31 1296 150 1729 2301 697 6 0
ODI 0 53 10 210 1319 1245 115 2
CDI 0 0 1 7 472 3731 3835 125
VCDI 0 0 0 0 1 986 16294 16884

Date: 2019-10-27:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 107714 18127 180 1017 338 4 0 0
OW 210 3013 136 1062 766 28 0 0
VODI 0 1030 117 1469 3188 865 1 0
ODI 0 43 9 293 1958 2048 100 0
CDI 0 0 0 3 514 3949 3662 84
VCDI 0 0 0 0 0 1150 16089 17881

Date: 2019-10-29:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 105705 17423 209 1357 741 35 0 0
OW 111 3013 146 1198 722 66 0 0
VODI 0 951 108 1329 2398 971 14 0
ODI 0 63 25 377 1745 3103 243 0
CDI 0 2 1 32 848 5337 2245 4
VCDI 0 0 0 0 17 1930 18163 16416

Date: 2019-10-31:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 104466 16127 157 885 468 98 1 0
OW 46 2473 95 812 1394 764 38 0
VODI 0 1096 106 1026 2262 1544 138 0
ODI 0 88 23 391 1448 2928 813 0
CDI 0 0 1 55 816 5641 3801 56
VCDI 0 0 0 0 4 2144 19022 15821

Date: 2019-11-02:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 101250 16822 153 674 457 152 0 0
OW 163 2384 94 605 585 776 137 0
VODI 0 950 104 1118 1198 2525 500 2
ODI 0 109 18 327 1259 3249 1484 11
CDI 0 11 3 37 570 4478 6427 453
VCDI 0 1 2 1 14 2327 16885 18733

Date: 2019-11-04:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 100226 15858 118 661 319 174 20 0
OW 128 2567 104 785 394 251 108 0
VODI 4 856 97 983 1286 1198 1196 0
ODI 0 64 10 288 1130 2065 2672 172
CDI 0 9 4 29 466 3478 6811 2007
VCDI 0 0 0 0 16 2251 16923 21320

Date: 2019-11-06:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 96571 18108 124 642 264 101 2 0
OW 99 2396 112 832 466 215 73 0
VODI 13 734 62 988 1405 636 473 13
ODI 0 98 15 287 1123 1660 1782 172
CDI 0 0 0 19 468 3489 5948 2174
VCDI 0 0 0 0 9 1153 16758 27564

Date: 2019-11-08:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 95891 16692 132 533 181 2 0 0
OW 178 3185 122 681 478 184 43 0
VODI 7 841 66 967 1724 841 291 9
ODI 0 97 18 365 1158 1290 1579 85
CDI 0 2 0 21 434 4110 6369 639
VCDI 0 0 0 0 2 1848 18136 27847


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