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generate-ismip6-grid-files

Matlab scripts to generate grid description files used for cdo regridding.
This repo is now superceeded by generate-ismip7-grid-files and generate-ismip7-grid-files-py

All regridding operations in ISMIP6 are based on these grid description files.

See also https://www.climate-cryosphere.org/wiki/index.php?title=Regridding_with_CDO

Based on work by Jeremy Fyke, Andy Bliss and others.

Main scripts for AIS and GrIS

ISMIP6_AIS_multigrid_generator_nc.m

ISMIP6_GrIS_multigrid_generator_nc.m

Will generate a number of grid description files for use with the cdo remap command (https://code.mpimet.mpg.de/projects/cdo).

Utilities

polarstereo_inv.m

generate_CDO_files_nc.m

wnc.m

Produce area fraction files

calcphilambda_epsg3031.m

calcphilambda_epsg3413.m

The resulting 'af' files can be used to compensate the grid projection error. Multiply 2D gridded variables with 'af' before spatial integration, summation or averaging.