CIMD Projects

Climate Data Operators

CDO is a collection of command line Operators to manipulate and analyse Climate and NWP model Data.

Climate Data Interface

CDI is a C and Fortran Interface to access Climate and NWP model Data. Supported data formats are GRIB 1/2, netCDF 3/4, SERVICE, EXTRA and IEG.


The afterburner is the standard post processor for ECHAM model data.


GRIBEX is an interface for encoding and decoding WMO FM-92 GRIB1 messages. CGRIBEX is a lightweight version of GRIBEX written in ANSI C with a portable Fortran interface.


The YAC development started as a pilot study in collaboration with the DKRZ to investigate the coupling between unstructured meshes. It is now used to perform the coupling in ICON.