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: 2020-05-07

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2020-05-01:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70197 13463 82 455 59 0 0 0
OW 0 633 49 287 60 4 0 0
VODI 0 864 113 896 351 31 12 4
ODI 0 378 62 1223 2169 521 87 5
CDI 0 84 25 381 2322 8304 3276 117
VCDI 0 0 0 0 21 4178 30468 45867

Date: 2020-05-03:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 69962 14172 100 415 23 0 0 0
OW 0 736 43 223 50 1 0 0
VODI 0 911 80 798 343 22 1 7
ODI 0 447 95 1119 2167 389 34 4
CDI 0 68 24 314 2130 6837 3765 165
VCDI 0 0 1 12 154 2885 26521 52030

Date: 2020-05-05:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70980 13550 103 387 13 0 0 0
OW 0 670 52 233 23 0 0 0
VODI 0 975 95 980 294 9 0 3
ODI 0 433 77 1245 1990 177 4 10
CDI 0 63 14 256 2610 6980 2366 113
VCDI 0 0 0 1 98 2480 25522 54242

Date: 2020-05-07:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 71887 13414 100 283 18 0 0 0
OW 0 722 35 166 18 0 0 0
VODI 0 1090 106 852 248 9 0 0
ODI 0 476 84 1199 1891 277 22 18
CDI 0 67 25 302 2474 5955 2374 100
VCDI 0 0 0 19 186 3786 26578 52267

Date: 2020-05-09:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72032 13932 76 270 23 0 0 0
OW 0 693 44 170 55 0 0 0
VODI 0 1033 88 804 301 11 2 0
ODI 0 375 83 1137 1877 296 30 0
CDI 0 110 48 470 3301 6682 1461 67
VCDI 0 0 0 18 666 5626 27122 48145

Date: 2020-05-11:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 73189 13376 68 221 20 0 0 0
OW 1 770 37 231 55 2 0 0
VODI 0 950 89 958 455 17 2 0
ODI 0 313 46 842 1928 260 13 4
CDI 0 206 49 529 3611 8264 1355 78
VCDI 0 25 14 99 754 4594 27514 46109

Date: 2020-05-13:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 74012 13067 67 218 47 1 0 0
OW 0 644 37 177 78 8 0 0
VODI 0 1166 112 898 525 49 6 0
ODI 0 370 93 1235 1980 217 42 0
CDI 0 221 47 732 5182 6943 1425 54
VCDI 0 0 0 16 454 6233 27114 43578

Date: 2020-05-15:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 74385 13611 62 253 68 11 1 0
OW 0 697 39 231 100 9 0 0
VODI 0 1173 110 925 513 40 5 1
ODI 0 518 101 1268 2136 186 32 17
CDI 0 236 48 947 4878 6712 2248 215
VCDI 0 0 0 26 503 4617 31291 38835


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