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: 2020-03-26

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2020-03-20:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 66822 13046 67 275 59 6 0 0
OW 8 1068 38 195 48 4 0 0
VODI 0 1290 91 644 421 113 1 0
ODI 0 448 88 846 1329 299 33 0
CDI 0 56 18 426 2000 3381 1796 51
VCDI 0 21 2 53 253 3468 28893 59391

Date: 2020-03-22:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 67411 13142 66 253 65 3 0 0
OW 0 868 37 209 50 3 0 0
VODI 0 1077 102 647 334 30 1 0
ODI 0 362 81 894 1379 341 10 1
CDI 0 47 13 396 2033 3723 2205 110
VCDI 0 0 0 2 132 2975 26287 61759

Date: 2020-03-24:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68525 12620 72 222 50 0 0 0
OW 1 745 26 156 58 1 0 0
VODI 0 1040 72 591 377 15 0 0
ODI 0 537 99 1071 1417 151 4 12
CDI 0 66 18 355 2426 4206 1353 140
VCDI 0 0 0 29 250 2322 23275 64746

Date: 2020-03-26:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68594 12556 62 233 40 0 0 0
OW 8 800 31 141 63 0 0 0
VODI 0 1055 97 409 482 63 1 1
ODI 0 555 92 1069 1616 286 8 8
CDI 0 47 11 283 1893 4013 2059 37
VCDI 0 2 0 24 243 2561 26602 61003

Date: 2020-03-28:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 67451 13241 62 212 28 0 0 0
OW 16 988 55 250 64 3 0 0
VODI 0 1145 79 486 412 33 0 0
ODI 0 618 111 1137 1588 334 11 5
CDI 0 53 7 288 1755 4130 2182 142
VCDI 0 19 6 52 172 2739 28642 58532

Date: 2020-03-30:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 67545 13042 57 192 39 0 0 0
OW 0 884 34 180 111 0 0 0
VODI 0 959 83 533 392 28 0 0
ODI 0 643 87 1179 1643 345 12 0
CDI 0 60 18 310 1913 4320 2128 200
VCDI 0 5 3 21 124 2380 24821 62757

Date: 2020-04-01:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 67582 12991 57 240 30 0 0 0
OW 0 895 50 259 87 2 0 0
VODI 0 948 84 585 334 54 0 0
ODI 0 605 70 1064 1351 498 13 1
CDI 0 13 8 308 1588 4340 2344 103
VCDI 0 0 0 0 74 2474 30503 57493

Date: 2020-04-03:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 67691 12734 42 196 35 0 0 0
OW 112 1155 44 193 45 1 0 0
VODI 0 1140 91 668 254 87 1 0
ODI 0 609 81 1068 960 425 17 5
CDI 0 44 12 348 1807 3891 1939 60
VCDI 0 2 2 33 397 3942 30198 56719


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