Description of algorithm
Interpretation of results
Full domain
American sector
European sector
  Ice concntr, edge pos
  Contingency tables
Asian sector

Validation of sea ice concentration - European sector

Reference date: 2020-10-15

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2020-10-09:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 93470 6249 29 199 84 17 0 0
OW 0 132 19 130 66 4 0 0
VODI 0 57 3 80 82 19 0 0
ODI 0 17 7 77 179 82 0 0
CDI 0 3 0 54 331 1333 226 0
VCDI 0 0 0 0 7 144 3018 2982

Date: 2020-10-11:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 93932 5238 43 225 81 23 0 0
OW 0 104 15 166 78 6 1 0
VODI 0 51 5 118 164 30 3 0
ODI 0 8 0 68 213 128 7 0
CDI 0 1 0 20 213 1265 831 1
VCDI 0 0 0 0 0 123 2939 3000

Date: 2020-10-13:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 91549 7205 69 332 109 26 1 0
OW 19 46 7 135 107 8 3 0
VODI 0 28 9 121 215 19 2 0
ODI 0 0 1 34 349 178 4 1
CDI 0 0 0 1 110 1552 670 13
VCDI 0 0 0 0 0 165 2667 3345

Date: 2020-10-15:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 92127 6430 69 339 108 27 5 0
OW 0 61 10 100 114 7 2 0
VODI 0 33 6 143 185 24 5 1
ODI 0 0 1 34 378 167 4 1
CDI 0 0 0 0 101 1408 914 2
VCDI 0 0 0 0 0 102 2706 3486

Date: 2020-10-17:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 92797 5784 50 243 68 22 2 0
OW 51 57 12 111 49 5 3 0
VODI 0 27 7 151 189 12 3 0
ODI 0 1 1 58 385 158 5 0
CDI 0 0 0 1 127 1661 676 0
VCDI 0 0 0 0 0 214 4307 1863

Date: 2020-10-19:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 92546 6102 54 244 71 25 2 0
OW 0 57 9 119 43 4 2 0
VODI 0 17 4 140 168 29 4 1
ODI 0 1 1 53 305 124 36 4
CDI 0 0 0 0 136 1334 1000 9
VCDI 0 0 0 0 0 101 3511 2844

Date: 2020-10-21:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 92376 6200 64 271 71 28 1 0
OW 14 38 8 151 90 8 2 0
VODI 0 3 3 113 222 20 6 0
ODI 0 0 1 18 270 128 33 1
CDI 0 0 0 0 135 1514 875 4
VCDI 0 0 0 0 0 191 3273 2968

Date: 2020-10-23:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 92546 5943 61 321 102 30 0 0
OW 28 56 7 139 91 13 0 0
VODI 0 3 4 119 217 29 0 0
ODI 0 0 0 20 193 106 52 3
CDI 0 0 0 1 158 1254 1017 1
VCDI 0 0 0 0 0 491 4324 1771


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