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: 2020-10-22

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2020-10-16:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 123569 17175 118 690 84 22 3 0
OW 65 2218 77 447 142 5 1 0
VODI 21 955 132 1276 1211 87 3 1
ODI 0 28 14 299 1635 1318 104 1
CDI 0 7 1 57 590 4249 3706 66
VCDI 0 0 0 5 70 1825 13121 11650

Date: 2020-10-18:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 123234 17256 122 594 168 22 2 0
OW 63 1762 65 384 254 6 1 0
VODI 17 737 126 1032 1350 133 5 2
ODI 0 22 13 267 1276 1590 167 10
CDI 0 8 0 58 447 3986 3573 500
VCDI 0 0 0 0 3 803 16442 10548

Date: 2020-10-20:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 120799 19452 162 729 170 28 4 0
OW 36 1159 43 397 283 18 1 0
VODI 7 736 92 916 1249 121 10 2
ODI 0 6 16 289 1666 1010 70 0
CDI 0 7 0 23 485 4283 2552 141
VCDI 0 0 0 2 16 831 13705 15532

Date: 2020-10-22:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 120833 18238 154 724 241 46 0 0
OW 246 1665 60 436 265 26 0 0
VODI 18 738 97 887 967 89 2 0
ODI 0 17 13 281 1409 1054 67 1
CDI 0 5 0 16 757 4018 2227 116
VCDI 0 0 0 0 40 1973 11778 17544

Date: 2020-10-24:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 116045 19816 174 826 213 31 0 0
OW 1102 2536 96 578 326 43 2 0
VODI 49 717 91 991 1074 166 5 0
ODI 2 17 7 249 1219 1001 338 8
CDI 0 0 0 8 598 2915 3107 174
VCDI 0 0 0 0 5 2239 11489 18791

Date: 2020-10-26:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 111404 20870 205 1038 249 28 4 0
OW 1931 3238 128 714 370 60 0 0
VODI 46 715 98 1129 1240 249 8 3
ODI 2 13 7 228 1264 1181 128 3
CDI 0 0 0 10 306 3122 3127 118
VCDI 0 0 0 0 0 364 10505 22943

Date: 2020-10-28:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 110248 19665 199 926 147 20 0 0
OW 2151 3552 112 827 465 46 0 0
VODI 72 1046 102 1160 1425 361 0 0
ODI 1 27 11 273 1111 1264 30 8
CDI 0 0 1 22 439 3012 2418 185
VCDI 0 0 0 0 1 674 9836 25211

Date: 2020-10-30:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 107799 18225 178 1153 720 22 0 0
OW 754 3955 118 968 715 30 0 0
VODI 61 1620 141 1420 2199 604 13 6
ODI 2 45 18 353 1281 1552 239 12
CDI 0 0 1 36 626 2958 2588 275
VCDI 0 0 0 0 5 946 10167 25243


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