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Regrid iceberg fluxes on OM3 grid#120

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anton-seaice wants to merge 5 commits intomainfrom
119
Open

Regrid iceberg fluxes on OM3 grid#120
anton-seaice wants to merge 5 commits intomainfrom
119

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@anton-seaice anton-seaice commented Feb 27, 2026

Closes #119

This change adds a script to regrid iceberg flux climatology onto the OM3 grid.

The two input files are hardcoded:

AQ_MELT_PATTERN = "/g/data/av17/access-nri/OM3/Mankoff_2025_V9/AQ_iceberg_melt.nc"
GL_MELT_PATTERN = "/g/data/av17/access-nri/OM3/Mankoff_2025_V9/GL_iceberg_melt.nc"

and in the script, the melt pattern is combined for all regions, and hemispheres.

Example output in /g/data/tm70/as2285/making_inputs/om3-scripts/rof_pattern_generation/access-om3-100km-rofi-spread.nc

image

I've refactored regrid_forcing.py to generalise it a little and move into a separate file.

I regenerated SFe_Hamiltonetal2020_monthly_clim and checked the results matched:

Screenshot 2026-03-04 at 1 56 24 pm

@anton-seaice anton-seaice marked this pull request as ready for review March 4, 2026 02:59
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This pull request has been mentioned on ACCESS Hive Community Forum. There might be relevant details there:

https://forum.access-hive.org.au/t/access-om3-development-highlights-updates/5902/3

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Script to generate iceberg spreading patterns

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