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

Validation of sea ice concentration - American sector

Reference date: 2025-02-27

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2025-02-21:

Best estimate
observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 0 0 0 0 0 0 0 0 OW 0 0 0 0 0 0 0 0 VODI 0 0 0 0 0 0 0 0 ODI 0 0 0 0 2 2 1 0 CDI 0 0 0 7 199 144 4 0 VCDI 0 0 0 0 126 1435 8343 35603

Date: 2025-02-23:

Best estimate
observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 0 0 0 0 0 0 0 0 OW 0 0 0 0 0 0 0 0 VODI 0 0 0 0 0 0 0 0 ODI 0 0 0 0 0 0 0 0 CDI 0 0 0 0 3 32 4 0 VCDI 0 0 0 0 66 1467 8139 36155

Date: 2025-02-25:

Best estimate
observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 0 0 0 0 0 0 0 0 OW 0 0 0 0 0 0 0 0 VODI 0 0 0 0 0 0 0 0 ODI 0 0 0 0 0 0 0 0 CDI 0 0 0 0 0 12 5 1 VCDI 0 0 0 0 96 936 6391 38425

Date: 2025-02-27:

Best estimate
observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 0 0 0 0 0 0 0 0 OW 0 0 0 0 0 0 0 0 VODI 0 0 0 0 0 0 0 0 ODI 0 0 0 0 0 1 0 0 CDI 0 0 0 0 0 8 3 2 VCDI 0 0 0 0 84 1286 6789 37693

Date: 2025-03-01:

Best estimate
observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 0 0 0 0 0 0 0 0 OW 0 0 0 0 0 0 0 0 VODI 0 0 0 0 0 0 0 0 ODI 0 0 0 0 0 1 0 0 CDI 0 0 0 0 3 9 1 0 VCDI 0 0 0 0 178 1336 8384 35954

Date: 2025-03-03:

Best estimate
observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 0 0 0 0 0 0 0 0 OW 0 0 0 0 0 0 0 0 VODI 0 0 0 0 0 0 0 0 ODI 0 0 0 0 0 2 0 0 CDI 0 0 0 0 2 49 0 1 VCDI 0 0 0 0 17 1442 6431 37922

Date: 2025-03-05:

Best estimate
observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 0 0 0 0 0 0 0 0 OW 0 0 0 0 0 0 0 0 VODI 0 0 0 0 0 0 0 0 ODI 0 0 0 0 0 1 0 0 CDI 0 0 0 0 1 30 1 0 VCDI 0 0 0 9 47 1538 6922 37317

Date: 2025-03-07:

Best estimate
observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 0 0 0 0 0 0 0 0 OW 0 0 0 0 0 0 0 0 VODI 0 0 0 0 0 0 0 0 ODI 0 0 0 0 0 3 12 0 CDI 0 0 0 0 2 78 36 7 VCDI 0 0 0 11 66 1233 10353 34065

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