Update to spitfire 4 and medlyn stomatal model #160
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maritsandstad
approved these changes
Nov 4, 2025
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Description of changes
This PR makes a branch with updated land defaults for use in the coupled NorESM PPE. Spitfire is set to 4 ( use external lightning and population datasets to simulate both natural and anthropogenic ignitions.) and we make the Medlyn stomatal model the default.
Endrun statements for water balance are converted to warnings.
Specific notes
Contributors other than yourself, if any:
@rosiealice @kjetilaas @maritsandstad
CTSM Issues Fixed (include github issue #):
Are answers expected to change (and if so in what way)?
Yes - changes stomatal model and fire model behaviour.
Any User Interface Changes (namelist or namelist defaults changes)?
Yes - see above changes to namelist options.
Does this create a need to change or add documentation? Did you do so?
Testing performed, if any:
No testing yet. Will be tested together with FATES side branch for the PPE.
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).