LDNDC model couple

[HenriKajasilta]

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Description

Coupled LDNDC in to the PEcAn. Mainly worked with the three main files: write.config.LDNDC.R, met2model.LDNDC.R and model2netcdf.LDNDC.R. These files were filled in according to the instructions and should be functional. However, not that much testing has been done and most likely more file checks and conditions should be added to these files.

LDNDC requires several files in order to run the models. Probably the most important one of these model files is project file, which is filled in on write.config.LDNDC.R file based on the information given for the run. Other files are more or less hard-coded for now, and creating a templates for these model files are in progress.

Motivation and Context

This will be one more model that can be run in PEcAn environment.

Review Time Estimate

• [ ] Immediately
• [ ] Within one week
• [x] When possible

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [ ] My change requires a change to the documentation.
• [ ] My name is in the list of CITATION.cff
• [x] I have updated the CHANGELOG.md.
• [ ] I have updated the documentation accordingly.
• [x] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes.
• [ ] All new and existing tests passed.

[istfer]

Please also add section on LDNDC to the documentation (book source).