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: 2021-01-07

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2021-01-01:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 77517 10998 56 224 40 7 0 0
OW 25 1117 58 335 75 9 0 0
VODI 17 1416 104 774 514 78 0 0
ODI 4 752 77 824 1213 981 42 4
CDI 0 32 16 238 1507 4773 2368 64
VCDI 0 0 0 0 126 2830 22525 55308

Date: 2021-01-03:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 76991 11231 72 232 40 6 0 0
OW 14 1415 56 401 74 12 0 0
VODI 4 1286 92 778 489 34 3 0
ODI 0 636 100 936 1322 604 97 0
CDI 0 31 5 175 1787 4976 2822 129
VCDI 0 0 0 1 50 2416 17165 60566

Date: 2021-01-05:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 76129 11608 62 215 45 3 0 0
OW 2 1478 77 504 158 15 0 0
VODI 0 1482 108 789 511 56 0 0
ODI 0 699 96 1259 1524 342 12 1
CDI 0 29 10 220 1839 4749 1985 177
VCDI 0 2 0 14 206 3352 23252 54038

Date: 2021-01-07:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 74078 12535 77 321 55 3 0 0
OW 1 1826 71 683 231 5 0 0
VODI 0 1555 93 766 768 264 5 1
ODI 0 835 118 1096 1393 469 15 2
CDI 0 94 17 234 1573 4419 1799 88
VCDI 0 117 8 160 390 4478 24293 52112

Date: 2021-01-09:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 76032 11360 50 161 12 0 0 0
OW 1 1507 65 568 152 1 0 0
VODI 0 1374 75 955 749 83 0 0
ODI 0 848 104 911 1574 368 7 30
CDI 0 101 35 438 1746 5200 887 283
VCDI 0 2 0 5 46 4843 22781 53694

Date: 2021-01-11:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 75705 11313 50 154 8 0 0 0
OW 0 1540 65 524 84 1 0 0
VODI 0 1328 85 1031 900 41 2 0
ODI 0 712 89 889 1495 555 65 6
CDI 0 71 24 393 1815 5004 1403 49
VCDI 0 0 0 0 130 2394 25108 54015

Date: 2021-01-13:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 74179 11882 68 309 18 0 0 0
OW 0 1430 55 593 206 0 0 0
VODI 0 1571 100 1084 1136 83 4 0
ODI 0 629 98 1024 1334 490 92 2
CDI 0 54 18 200 1321 4920 2961 148
VCDI 0 18 8 138 298 1942 22041 56594

Date: 2021-01-15:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 73940 12144 86 246 35 0 0 0
OW 1 1070 55 396 145 0 0 0
VODI 0 1326 93 928 1615 161 1 0
ODI 0 540 100 1056 1342 780 35 58
CDI 0 42 3 217 1270 5188 2842 533
VCDI 0 15 2 47 196 3489 23087 53964


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