This code adds the FATES-side modifications to allow Net Biome Productivity fluxes to be passed back to the atmosphere. The changes on the FATES side are largely taken from @ckoven 's work on this branch:

ckoven/fates@twostream-restart-bugfixes-shijiefix...ckoven:fates:nbp_diagnostics

This code is paired with a CTSM-side PR:
NorESMhub/CTSM#137

Description:

Collaborators:

Expectation of Answer Changes:

Checklist:

• My change requires a change to the documentation.
• I have updated the in-code documentation .AND. (the technical note .OR. the wiki) accordingly.
• I have read the CONTRIBUTING document.
• FATES PASS/FAIL regression tests were run
• If answers were expected to change, evaluation was performed and provided

Test Results:

CTSM (or) E3SM (specify which) test hash-tag:

CTSM (or) E3SM (specify which) baseline hash-tag:

FATES baseline hash-tag:

Test Output: