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: 2020-01-23

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2020-01-17:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72113 11559 61 249 50 0 0 0
OW 34 1091 45 256 111 9 0 0
VODI 6 1120 72 522 356 64 0 0
ODI 1 824 58 546 1232 490 11 1
CDI 0 194 45 457 1265 3828 2043 41
VCDI 0 46 8 68 180 4698 27826 55468

Date: 2020-01-19:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72740 11570 65 235 47 1 0 0
OW 52 845 35 221 49 3 0 0
VODI 21 910 54 499 262 27 0 0
ODI 0 608 70 572 1043 316 27 6
CDI 0 122 28 454 1782 3728 2224 132
VCDI 0 0 0 12 226 2993 26643 58426

Date: 2020-01-21:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72300 11628 76 185 33 1 0 0
OW 5 1000 53 221 36 9 0 0
VODI 1 1011 66 495 252 48 0 0
ODI 0 591 67 817 1049 367 57 10
CDI 0 76 20 419 1665 4120 1428 244
VCDI 0 0 0 0 53 3131 23453 62061

Date: 2020-01-23:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 71523 11822 62 131 20 1 0 0
OW 14 1191 53 280 38 10 0 0
VODI 25 1156 70 548 261 55 1 1
ODI 0 585 88 1053 1026 270 45 43
CDI 0 54 13 450 1503 3724 1246 256
VCDI 0 3 1 27 106 2965 21626 64702

Date: 2020-01-25:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 71757 11072 38 101 8 0 0 0
OW 35 1578 60 300 71 3 0 0
VODI 11 1302 79 547 366 41 1 1
ODI 0 597 69 782 1036 217 9 4
CDI 0 201 33 475 1987 3157 706 143
VCDI 0 20 8 75 255 3083 25780 61040

Date: 2020-01-27:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 71648 11228 62 170 37 0 0 0
OW 109 1286 39 238 78 0 0 0
VODI 14 1306 68 446 459 38 1 0
ODI 0 523 63 586 1103 296 24 16
CDI 0 177 29 347 1702 3272 1141 245
VCDI 0 17 9 77 263 1975 18640 69316

Date: 2020-01-29:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 71623 12080 66 194 42 2 0 0
OW 65 1013 35 175 62 14 0 0
VODI 57 908 67 461 351 103 1 0
ODI 1 384 80 526 808 540 47 8
CDI 0 98 26 379 1242 3228 1965 263
VCDI 0 3 0 20 116 1785 17357 70853

Date: 2020-01-31:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 71294 12162 74 239 43 0 0 0
OW 75 1120 47 246 114 0 0 0
VODI 104 736 85 486 492 50 0 0
ODI 2 386 75 637 992 375 22 4
CDI 0 22 11 269 1526 3450 2307 81
VCDI 0 0 0 6 109 2077 19473 67857


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