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: 2020-10-08

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2020-10-02:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 130457 17286 117 405 106 5 0 0
OW 5 1574 79 498 172 18 0 0
VODI 0 1030 87 982 1329 323 31 0
ODI 0 194 27 478 1521 1022 211 0
CDI 0 3 1 76 1083 6771 4234 0
VCDI 0 0 0 0 15 2223 11192 3493

Date: 2020-10-04:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 129248 17718 130 434 142 23 0 0
OW 58 1945 76 430 77 17 0 0
VODI 9 976 104 1395 1254 195 16 0
ODI 0 138 23 569 1588 938 69 2
CDI 0 11 1 68 844 7401 2579 25
VCDI 0 0 0 0 15 1143 8529 8858

Date: 2020-10-06:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 127821 18064 132 411 162 26 0 0
OW 91 2188 87 589 204 16 1 0
VODI 20 789 100 1171 1728 150 4 0
ODI 2 87 24 528 1560 893 16 2
CDI 0 4 1 65 955 6590 2694 50
VCDI 0 0 0 0 4 951 11938 6930

Date: 2020-10-08:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 127205 17627 102 427 118 26 0 0
OW 24 2484 87 408 159 12 0 0
VODI 18 950 119 1234 1543 240 17 0
ODI 0 106 26 457 1500 1090 101 0
CDI 0 12 5 99 832 4876 4484 50
VCDI 0 0 0 0 10 682 8781 11137

Date: 2020-10-10:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 125489 18533 93 293 60 21 0 0
OW 11 2312 85 477 127 5 0 0
VODI 11 811 131 1116 1652 361 18 0
ODI 0 64 12 273 1281 1774 129 3
CDI 0 24 5 87 621 3319 4612 99
VCDI 0 0 0 0 2 1222 13261 8654

Date: 2020-10-12:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 123735 18619 125 454 84 25 0 0
OW 129 2541 78 553 126 7 1 0
VODI 11 678 121 1241 1439 93 3 0
ODI 0 31 14 268 1393 2124 48 1
CDI 0 11 1 60 477 5145 3545 13
VCDI 0 0 0 0 3 1514 12765 9572

Date: 2020-10-14:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 122055 18465 147 614 106 21 8 0
OW 151 2801 119 679 263 14 3 0
VODI 30 615 119 1227 1327 228 7 1
ODI 0 26 14 260 1373 1564 256 3
CDI 0 4 2 27 427 4539 3854 163
VCDI 0 0 0 0 51 1123 9666 14696

Date: 2020-10-16:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 123566 17153 118 690 84 23 3 0
OW 68 2235 77 445 142 4 1 0
VODI 21 960 132 1277 1210 87 3 1
ODI 0 28 14 300 1636 1318 104 1
CDI 0 7 1 56 589 4252 3705 66
VCDI 0 0 0 6 71 1822 13122 11650


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