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: 2024-02-15

Model: GLO MFC - NEMO

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

Sea ice concentration

Mean absolute difference

RMS difference

Sea ice edge length, position

Sea ice edge length

Sea ice edge position bias

Mean absolute difference

RMS difference

Integrated ice edge error (IIEE)

Area metric (original)

Distance (length) derivative

Distance bias

Relative distance metrics [IIEE/IE]

Score w/ obs. reference

Score w/ model reference

Marginal ice zone (MIZ)

MIZ area

MIZ width

Sea ice concentration IIEE areas, 2024-02-21

Best estimate vs. observations

IIEE over- and underestimated regions are shaded

Persistence vs. observations

IIEE over- and underestimated regions are shaded

Sea ice edge position map, 2024-02-21

Edge nodes from observations in blue, from persistence in brown, from model in black


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