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Python utilities for the GFDL's numerical model MOM

Project description

mom-utils

This is a collection of Python utilities for the MOM, a numerical model developed by GFDL/NOAA

Support and Documentation

Quick howto use

To install:

pip install mom-utils

Some uses:

  • The input.nml do not require any order, so it is usually not fun to compare two different input.nml. This command is different then a regular diff, since it doesn’t care about the order of the variables. The output show what is different, or what is defined in only one of the files.

    mom_namelist compare input.nml input2.nml

  • Inside python, one can read an input.nml setup, change one parameter, and write into another input2.nml like this:

    nml_text = open(‘input.nml’, ‘r’).read()

    cfg = mom_utils.nml_decode(nml_text)

    cfg[‘ocean_model_nml’][‘dt_ocean’] = 7200

    output = open(‘input2.nml’, ‘w’)

    output.write(mom_utils.yaml2nml(cfg))

  • Some namelists/parameters changed or disapear between MOM4 and MOM5. The task “check” evaluates if all namelists/parameters in the input.nml are declared in the code.

    mom_namelist check –momsrc=mom/src myexperiments/exp1/input.nml

  • Task 4to5 converts a namelist for MOM4 to a namelist for MOM5

    mom_namelist 4to5 input.nml > ./input.nml.new

License

mom-utils is offered under the PSFL.

Authors

Guilherme Castelão <guilherme@castelao.net> Luiz Irber <luiz.irber@gmail.com>

News

1.2.4

  • Temporary solution to allow to handle input.nml for CM, which store some lists as parameters values.

1.2

  • mom4_namelist renamed to mom_namelist.
  • New task “check” for mom_namelist.

before 1.1.4

  • mom4_namelist: An application to parse and manipulate the input.nml
  • Including some documentation
  • First release was some point at 2011, I’m not sure when.

Project details


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