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: 2020-07-30

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2020-07-24:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 106918 23765 311 1956 661 10 0 0
OW 24 1004 51 403 228 6 0 0
VODI 12 1562 104 1555 950 28 0 0
ODI 0 397 47 1019 7930 1474 7 0
CDI 0 36 1 46 3975 22103 7083 0
VCDI 0 0 0 0 4 1446 1932 0

Date: 2020-07-26:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 107372 24141 333 1938 661 1 0 0
OW 74 880 44 437 246 6 0 0
VODI 88 1269 82 1428 910 29 0 0
ODI 0 383 43 875 8907 2315 4 0
CDI 0 23 1 60 3735 27091 3428 0
VCDI 0 0 0 0 2 171 71 0

Date: 2020-07-28:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 110102 22456 303 1891 524 0 0 0
OW 220 636 36 375 246 0 0 0
VODI 161 1281 94 1090 1019 36 0 0
ODI 11 351 31 984 13063 1320 0 0
CDI 0 9 1 37 3827 25803 1108 0
VCDI 0 0 0 0 7 25 1 0

Date: 2020-07-30:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 112922 20473 293 1806 611 1 0 0
OW 142 614 40 333 273 2 0 0
VODI 137 1229 61 862 1024 58 0 0
ODI 5 314 35 1024 13921 1870 0 0
CDI 0 2 0 24 2527 23854 2573 0
VCDI 0 0 0 0 4 14 0 0

Date: 2020-08-01:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 113568 20448 248 1801 583 50 0 0
OW 84 653 43 282 233 6 0 0
VODI 82 1085 58 1000 1041 22 0 0
ODI 2 240 39 1360 13634 2035 0 0
CDI 0 1 1 16 2754 23422 2040 0
VCDI 0 0 0 0 3 51 163 0

Date: 2020-08-03:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 114255 20715 263 1791 595 23 0 0
OW 51 569 31 284 229 5 0 0
VODI 62 987 66 1425 1007 35 0 0
ODI 1 181 28 1577 11631 2021 9 0
CDI 0 7 0 8 2019 22512 4350 156
VCDI 0 0 0 0 0 20 135 0

Date: 2020-08-05:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 117224 18609 279 1726 592 5 0 0
OW 121 467 24 306 184 5 0 0
VODI 127 820 61 2109 1268 16 0 0
ODI 3 120 19 1609 10954 1945 10 0
CDI 0 0 0 9 3108 19396 2964 0
VCDI 0 0 0 0 1 430 2465 72

Date: 2020-08-07:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 120182 16916 218 1607 467 17 0 0
OW 147 421 24 306 135 5 0 0
VODI 88 880 81 2889 1197 24 0 0
ODI 14 99 21 1620 10878 1369 0 0
CDI 0 0 1 17 3030 17500 2830 0
VCDI 0 0 0 0 2 945 3114 4


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