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: 2020-11-05

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

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 107796 18226 180 1154 717 22 0 0
OW 757 3953 116 968 717 30 0 0
VODI 61 1621 141 1420 2200 604 13 6
ODI 2 45 18 352 1283 1552 239 12
CDI 0 0 1 36 624 2959 2586 280
VCDI 0 0 0 0 5 945 10169 25238

Date: 2020-11-01:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 103147 20020 202 1352 1019 187 0 0
OW 395 3678 104 937 723 160 0 0
VODI 42 1604 139 1520 1922 719 3 8
ODI 0 59 9 398 1712 2565 226 12
CDI 0 0 0 31 520 3282 2929 169
VCDI 0 0 0 0 16 362 9397 27480

Date: 2020-11-03:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 98319 21873 248 1431 1222 315 0 0
OW 149 3522 98 988 1022 495 5 0
VODI 33 1069 87 1231 2478 1144 36 5
ODI 0 69 7 223 1572 2644 348 9
CDI 0 5 3 68 486 3303 2920 255
VCDI 0 0 0 0 19 1292 9263 28792

Date: 2020-11-05:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 99623 17882 217 1357 1171 409 0 0
OW 918 2232 82 708 709 498 7 0
VODI 85 1385 108 1190 2368 2339 80 0
ODI 2 62 5 268 1380 2756 601 3
CDI 0 10 1 56 882 2755 3503 358
VCDI 0 0 0 0 28 2632 11497 26881

Date: 2020-11-07:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 99343 17029 185 1227 939 453 54 0
OW 779 1729 72 563 650 418 79 0
VODI 78 1281 91 1028 1505 1812 349 0
ODI 0 58 14 410 1542 3982 957 1
CDI 0 6 1 55 767 3200 3612 326
VCDI 0 0 0 0 61 5411 16699 20282

Date: 2020-11-09:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 95864 17640 167 962 669 363 215 0
OW 740 2095 111 999 914 457 225 0
VODI 67 1124 89 879 1380 1025 390 0
ODI 1 45 16 432 1876 3112 1336 5
CDI 0 0 0 29 582 4277 4882 215
VCDI 0 0 0 0 0 2852 17200 23813

Date: 2020-11-11:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 96729 16424 144 687 329 47 94 0
OW 465 1570 107 965 1423 880 170 0
VODI 74 1088 75 779 1409 941 318 0
ODI 0 110 22 468 1777 2467 567 4
CDI 0 0 0 51 850 5442 3503 113
VCDI 0 0 0 0 30 3561 18460 24905

Date: 2020-11-13:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 95137 15642 153 584 182 60 0 0
OW 1119 2061 62 557 674 587 23 0
VODI 68 1229 84 819 1233 2241 666 5
ODI 0 194 24 374 1302 2465 928 51
CDI 0 0 0 10 706 4689 4764 713
VCDI 0 0 0 0 60 6169 14621 26792


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