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Robert Grumbine edited this page Nov 3, 2025 · 8 revisions

Welcome to the ice_scoring wiki!

CICE demonstration

Generalized gross checks -- little specialization to sea ice. See wiki page for more, including ocean values.

Parameters focused on so far, other fields or metrics as needed/desired/relevant:

  • Sea Ice Concentration
    • Contingency Table, conditional on critical concentration -- Threat Score, Bias, %correct, ...
    • Includes IIEE
    • Plotted by contingency_plots.py (python3 w. matplotlib)
    • Persistence
  • Ice Edge
    • v. IMS via NRL/CMC method
    • v. IMS via Hausdorff
    • Integrated Ice Edge Error (Goessling, 20NNN)
  • Sea Ice Integrals (area, extent)
    • v. NSIDC--0051
    • v. OSI-SAF
    • v. NCEP
  • Sea Ice Thickness
    • v. Cryosat-2, VIIRS?, SMOS/SMAP
  • Sea Ice Drift (Cumulative)
    • IABP 'C' files as verification
    • IFREMER ice drift (legacy observations) as verification

Fixed fields (saved separately as they're binary)

  • Ursa: /scratch4/NCEPDEV/climate/rg/fix
  • WCOSS2: /u/rgrumbine/rg/fix
  • Gaea c6: /u/Robert.Grumbine/rg6/fix

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