Additional (optional) output for crown area

[mpaiao]

Description:

• Edited FatesHistoryInterfaceMod.F90 to include two output variables (FATES_CROWNAREA_CANOPY_SZPF and FATES_CROWNAREA_USTORY_SZPF). Both are inactive by default.
• Replaced scaling for additional crown area variables. Results should be numerically identical but the calculation is consistent with other instances. This addresses issue Scaling of cohort crown area in the output files? #1126.

Collaborators:

@ckoven

Expectation of Answer Changes:

No change in answers expected.

Checklist

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All checklist items must be checked to enable merging this pull request:

Contributor

• The in-code documentation has been updated with descriptive comments
• The documentation has been assessed to determine if updates are necessary

Integrator

• FATES PASS/FAIL regression tests were run
• Evaluation of test results for answer changes was performed and results provided

Documentation

• Technical Note update:
• User's Guide update:

Test Results:

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

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

FATES baseline hash-tag:

Test Output:

[rgknox]

Pretty straight forward, seem like useful variables, no issues

[rgknox]

Tests on derecho are OK, merging