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: 2020-05-14

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2020-05-08:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72046 13606 93 306 26 0 0 0
OW 0 712 41 173 26 0 0 0
VODI 0 1044 103 805 303 13 3 0
ODI 0 437 87 1209 1810 303 31 17
CDI 0 111 44 337 2645 6110 1849 122
VCDI 0 1 0 42 345 4464 27618 50166

Date: 2020-05-10:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72931 13321 69 195 28 0 0 0
OW 15 745 40 196 50 1 0 0
VODI 1 994 86 922 382 24 1 0
ODI 0 353 62 924 1866 364 27 5
CDI 0 156 48 501 3427 7545 1466 58
VCDI 0 1 2 65 763 5286 27778 46350

Date: 2020-05-12:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72200 14508 66 287 36 0 0 0
OW 0 649 35 168 81 2 0 0
VODI 0 1072 88 977 542 42 5 0
ODI 0 244 43 907 2074 200 38 2
CDI 0 207 60 543 4170 8086 1499 56
VCDI 0 0 0 50 624 4944 27992 44551

Date: 2020-05-14:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 73767 13682 77 218 60 8 0 0
OW 0 686 39 208 111 12 0 0
VODI 0 1205 102 876 526 58 4 0
ODI 0 443 79 1284 2110 259 47 3
CDI 0 227 53 852 4945 6817 1826 86
VCDI 0 0 0 10 337 4884 29727 41420

Date: 2020-05-16:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 74620 13921 84 298 73 9 0 0
OW 0 687 37 249 121 11 0 0
VODI 0 1104 99 962 494 43 5 0
ODI 0 529 84 1210 2193 165 56 8
CDI 0 275 63 953 4552 6636 2549 124
VCDI 0 15 6 57 523 4095 33569 36569

Date: 2020-05-18:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 74915 14159 112 381 106 4 0 0
OW 0 630 45 272 125 9 0 0
VODI 0 1054 102 1143 488 39 26 0
ODI 0 574 72 1148 2127 216 66 4
CDI 0 304 61 1008 4606 9156 1855 29
VCDI 0 3 5 102 419 3648 32748 35287

Date: 2020-05-20:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 75239 13866 135 529 132 4 0 0
OW 12 634 46 369 137 18 1 0
VODI 2 1062 113 1261 573 70 17 0
ODI 0 487 60 1172 2254 220 42 0
CDI 0 216 59 947 5793 10257 2481 12
VCDI 0 24 5 109 741 4708 35014 28227

Date: 2020-05-22:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 75955 13657 103 408 69 3 0 0
OW 0 804 66 377 98 7 1 0
VODI 0 1333 111 1140 466 41 15 1
ODI 0 687 95 1405 2017 148 62 0
CDI 0 293 54 1015 5276 9404 3371 64
VCDI 0 0 1 38 296 5463 40603 22101


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