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@rgknox rgknox commented Jul 24, 2025

Description of changes

This set of changes passes nitrogen supplementation status to FATES. This status is needed when deciding whether or not to dynamically adjust leaf to fine root ratios based on nutrient storage. This status prevents plants from reducing root mass while soils have artificially high nitrogen during supplementation.

Specific notes

This is coupled with FATES PR: 1443

Contributors other than yourself, if any: @sharma-bharat @glemieux @walkeranthonyp
CTSM Issues Fixed (include github issue #):

Are answers expected to change (and if so in what way)? No, this should have not impact on answers on any configuration. This will only be relevant when we fully couple FATES-CLM-CN.

Any User Interface Changes (namelist or namelist defaults changes)?

No

Does this create a need to change or add documentation? Did you do so?

Not yet needed, no N limitations with FATES

Testing performed, if any:
(List what testing you did to show your changes worked as expected)
(This can be manual testing or running of the different test suites)
(Documentation on system testing is here: https://github.com/ESCOMP/ctsm/wiki/System-Testing-Guide)
(aux_clm on derecho for intel/gnu and izumi for intel/gnu/nag/nvhpc is the standard for tags on master)

NOTE: Be sure to check your coding style against the standard
(https://github.com/ESCOMP/ctsm/wiki/CTSM-coding-guidelines) and review
the list of common problems to watch out for
(https://github.com/ESCOMP/CTSM/wiki/List-of-common-problems).

@rgknox rgknox added FATES API update Changes to the FATES version that also REQUIRE an API change in CTSM bfb bit-for-bit labels Jul 24, 2025
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rgknox commented Jul 24, 2025

Test ERS_D_Ld60.f45_f45_mg37.I2000Clm50FatesCruRsGs.derecho_intel.clm-Fates all PASS, didn't compare with base yet

@glemieux glemieux moved this from Under Review to Stuck in FATES Pull Request Planning and Status Aug 22, 2025
@wwieder wwieder moved this to In progress - master in CTSM: Upcoming tags Oct 16, 2025
@glemieux glemieux moved this from Hold to Final Testing in FATES Pull Request Planning and Status Oct 20, 2025
@ekluzek ekluzek changed the title Pass nutrient supplementation status to FATES ctsm5.3.083: Pass nutrient supplementation status to FATES Oct 20, 2025
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bfb bit-for-bit FATES API update Changes to the FATES version that also REQUIRE an API change in CTSM

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