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: 2020-02-27

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2020-02-21:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70100 12431 55 176 55 1 0 0
OW 63 882 29 161 30 4 0 0
VODI 72 1053 75 602 385 57 1 0
ODI 0 535 95 838 1158 320 13 16
CDI 0 181 38 549 1933 4180 2142 250
VCDI 0 5 0 7 91 2280 22109 64076

Date: 2020-02-23:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 69187 12860 73 232 47 0 0 0
OW 114 1235 36 199 44 0 0 0
VODI 27 1166 70 687 283 17 0 2
ODI 1 575 108 1042 1072 217 4 14
CDI 0 136 24 440 2060 4220 2412 203
VCDI 0 4 1 11 96 1693 17847 68589

Date: 2020-02-25:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68471 12725 62 248 57 0 0 0
OW 209 1668 53 299 57 0 0 0
VODI 20 1206 100 669 333 17 0 0
ODI 2 503 114 953 1239 206 7 1
CDI 0 81 22 447 1997 4473 2511 107
VCDI 0 0 0 7 120 2111 20825 65128

Date: 2020-02-27:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68580 12622 61 211 42 0 0 0
OW 151 1240 45 304 80 3 0 0
VODI 52 1111 81 754 572 80 3 0
ODI 0 432 89 954 1246 383 7 0
CDI 0 99 13 397 1790 3557 2955 91
VCDI 0 0 0 0 56 2201 21341 65445

Date: 2020-02-29:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68300 12487 68 274 58 0 0 0
OW 297 1400 37 178 78 1 0 0
VODI 55 950 74 700 637 126 12 0
ODI 0 502 78 746 1290 525 28 2
CDI 0 83 17 386 1536 3235 2955 144
VCDI 0 0 0 0 15 1735 22126 65913

Date: 2020-03-02:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68339 13391 58 250 53 0 0 0
OW 104 834 38 152 95 0 0 0
VODI 33 933 68 589 354 78 0 0
ODI 0 487 61 677 1132 566 11 6
CDI 0 144 36 428 1562 3389 2077 179
VCDI 0 0 0 8 99 1646 22741 66430

Date: 2020-03-04:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68484 13036 66 237 67 0 0 0
OW 85 1030 36 171 76 3 0 0
VODI 4 910 63 490 321 51 26 0
ODI 1 392 48 565 1076 439 127 0
CDI 0 128 42 397 1131 3093 2791 160
VCDI 0 22 3 51 171 1159 18917 71179

Date: 2020-03-06:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68689 13547 59 210 61 2 0 0
OW 16 890 37 166 82 5 0 0
VODI 6 887 75 465 276 28 0 0
ODI 0 374 59 675 964 221 16 8
CDI 0 171 45 489 1508 2728 1785 230
VCDI 0 0 0 27 143 1707 18965 71432


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