Program to remove obs above a given CAM model level from an obs_seq file

[hkershaw-brown]

Description:

This is Nancy's preprocessor for CAM to remove obs above a certain level.

Fixes issue

Fixes #459

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update

Documentation changes needed?

• My change requires a change to the documentation.
  • I have updated the documentation accordingly.

Note, I think we can pull out some of the documentation, e.g. 'future plans', 'files'.

Tests

Please describe any tests you ran to verify your changes.
Unknown.

Checklist for merging

• Updated changelog entry
• Documentation updated
• Update conf.py

Checklist for release

• Merge into main
• Create release from the main branch with appropriate tag
• Delete feature-branch

Testing Datasets

• Dataset needed for testing available upon request
• Dataset download instructions included
• No dataset needed

I think you can test this with any obs_seq.out that you would use with CAM.

[mjs2369]

Reviewed and tested. Works as specified, approved.

[hkershaw-brown]

Some sphinx errors to fix:

/home/docs/checkouts/readthedocs.org/user_builds/dart-documentation/checkouts/480/models/cam-fv/cam_dart_obs_preprocessor.rst:2: WARNING: Title underline too short.

program ``cam_dart_obs_preprocessor``
====================

checking consistency... /home/docs/checkouts/readthedocs.org/user_builds/dart-documentation/checkouts/480/models/cam-fv/cam_dart_obs_preprocessor.rst: WARNING: document isn't included in any toctree

generating indices... /home/docs/checkouts/readthedocs.org/user_builds/dart-documentation/checkouts/480/models/cam-fv/cam_dart_obs_preprocessor.rst:60: WARNING: unknown document: '../../modules/utilities/time_manager_mod'

should be a link:

[mjs2369]

Retested after being merged with main. Ready to merge.