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README.md

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IMPORTANT NOTE - This repository is currently under development and items contained within it should be used with caution.

NCAR CCPP-enabled Atmospheric Physics

Physics packages which are CCPP_enabled (along with supporting routines) are stored in this repository.

Requirements for ccpp physics schemes

  • Physics schemes contain two files, a .F90 file which contains the routines and a .meta file which contains the CCPP metadata.

  • Standard names for metadata can be found here

  • Physics modules may contain one or more of the following routines (where XXX is the name of the module containing the physics)

    • XXX_init - contains the startup/restart initialization required for the package. This is unthreaded and may contain I/O of undistibuted data (e.g. parameter tables)
    • XXX_timestep_init - contains the initialization required for each timestep. This is unthreaded and may contain I/O of undistibuted data (e.g. parameter tables)
    • XXX_run - the code which is run every timestep. Threading is controlled via the host model and the number of available threads will be passed into the routine. No I/O is permitted in this routine
    • XXX_timestep_final - contains any post timestep handling. This is unthreaded
    • XXX_final - contains any code logic which needs to be performed at the end of the run prior to the program exiting. This is unthreaded.

Steps to adding a physics package to the repository

  • Currently under discussion

CCPP resources