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: 2020-09-03

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2020-08-28:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 128997 17853 189 1042 364 12 0 0
OW 336 1196 39 324 153 15 0 0
VODI 170 2083 147 2383 1157 93 0 0
ODI 4 236 38 982 3659 2907 152 0
CDI 0 5 0 30 1725 11591 4093 0
VCDI 0 0 0 0 10 3782 1281 0

Date: 2020-08-30:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 131775 16311 181 1005 278 11 0 0
OW 287 1142 32 302 136 11 0 0
VODI 127 2316 175 2078 842 28 0 0
ODI 0 253 42 1087 4541 1244 32 0
CDI 0 2 0 33 1858 11287 2539 20
VCDI 0 0 0 0 1 2691 4339 42

Date: 2020-09-01:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 133036 16013 177 977 283 20 0 0
OW 249 1117 46 312 109 13 1 0
VODI 112 2369 139 1705 768 33 0 0
ODI 0 295 42 1146 4457 627 11 0
CDI 0 0 0 29 1630 9115 2340 34
VCDI 0 0 0 0 0 818 7940 1085

Date: 2020-09-03:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 132616 17406 181 842 326 29 0 0
OW 188 1131 32 298 99 12 0 0
VODI 79 2539 145 1502 750 31 7 0
ODI 0 269 34 1026 3782 625 14 0
CDI 0 3 1 60 2004 8045 1711 2
VCDI 0 0 0 0 4 1206 7769 2280

Date: 2020-09-05:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 134218 16632 161 906 310 11 0 0
OW 150 1112 40 343 159 9 0 0
VODI 30 1892 128 1525 1012 78 0 0
ODI 0 190 32 668 2960 1075 4 0
CDI 0 14 2 59 1598 7923 3007 0
VCDI 0 0 0 0 8 1754 7123 1915

Date: 2020-09-07:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 135943 15583 157 683 322 0 0 0
OW 126 1311 49 296 190 6 0 0
VODI 19 2010 117 1264 668 21 0 0
ODI 0 277 52 806 3046 398 0 0
CDI 0 6 3 128 1889 9082 2938 0
VCDI 0 0 0 0 3 1404 7670 581

Date: 2020-09-09:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 135336 16501 158 682 251 0 0 0
OW 19 1357 36 346 208 3 0 0
VODI 4 1951 118 999 605 79 0 0
ODI 0 361 53 727 2092 1380 11 0
CDI 0 16 5 77 986 7803 5679 19
VCDI 0 0 0 0 2 709 7802 673

Date: 2020-09-11:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 135958 15618 130 639 201 0 0 0
OW 33 1846 60 409 192 7 0 0
VODI 24 1720 115 1170 577 56 2 0
ODI 0 334 54 857 2149 892 49 0
CDI 0 20 8 87 1417 6174 5770 45
VCDI 0 0 0 0 1 219 7427 2788


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