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SUPERSEDED [Fang summer '24 PR 2] More improvements to fire model #2615

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Description of changes

  • Improves peat burning dependence on climate
  • Improves dependence of deforestation burning on climate.
  • Allows lightning ignitions in tropical closed forest. (Human ignitions, other than deforestation, still not allowed.)
  • Adds effect of landscape fragmentation on ignitions and fire duration.
  • Recalibrates some parameters.
  • Adds fire_method li2021crujra.

Specific notes

Contributors other than yourself, if any: @lifang0209

CTSM Issues Fixed (include github issue #): None

Are answers expected to change (and if so in what way)? Yes; various

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

  • Several namelist parameters get new default values for fire_method li2021gswpfrc.
  • Adds fire_method li2021crujra.

Does this create a need to change or add documentation? Did you do so? No

Testing performed, if any:

lifang0209 and others added 7 commits June 3, 2024 15:32
In the CNFireLi2021Mod.F90, (1) fixed the bug described in ESCOMP#2566 to avoid incorrect accumulation of baf_crop and ensure that crop fires do not occur during the crop growing season; (2) confined crop fires to periods after harvest and before planting when crop module is active; (3) removed the dependency of baf_crop on fuel availability; (4) improved the modeling of the influence of socio-economic factors on crop burned area; (5) recalibrated the cropfire_a1 constant based on GFED5 crop burned area; (6) modify the declaration of CNFireArea in these F90 files to include the variable crop_inst, declare the variable crop_inst, and import and utilize crop_type from the module CropType.

In addition, the modules CNDriverMod.F90, CNFireLi2014Mod.F90, CNFireLi2016Mod.F90, CNFireNoFireMod.F90, FATESFireBase.F90, and FireMethodType.F90 include the subroutine CNFireArea. (6) is implemented in these modules.
…ppression.

- Previously, neither lightning nor human ignitions (other than deforestation fire) were allowed there.
- Landscape fragmentation suppression effect has to do with lfwt.
Same as li2021gswpfrc except rh_hgh now 85 (was 80).
@samsrabin samsrabin added enhancement new capability or improved behavior of existing capability tag: enh - new science labels Jun 24, 2024
@samsrabin samsrabin added this to the CESM3 Capability Freeze milestone Jun 24, 2024
@samsrabin samsrabin self-assigned this Jun 24, 2024
@samsrabin samsrabin added science Enhancement to or bug impacting science and removed enh - new science labels Aug 8, 2024
@samsrabin samsrabin changed the base branch from master to b4b-dev August 15, 2024 18:38
@samsrabin samsrabin closed this Aug 15, 2024
@samsrabin samsrabin reopened this Aug 15, 2024
@samsrabin samsrabin changed the title [Fang summer '24 PR 2] More improvements to fire model SUPERSEDED [Fang summer '24 PR 2] More improvements to fire model Aug 16, 2024
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Superseded by #2711.

@samsrabin samsrabin closed this Aug 16, 2024
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