[WIP] Add NVP (Non-Vascular Plant) Layer in CTSM - #3927

Draft

huitang-earth wants to merge 143 commits into

ESCOMP:masterfrom

huitang-earth:ctsm5.4.028_nvp

Commits on Apr 9, 2026

Add NVP control switches
huitang-earth
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fe8aa45
Add control switches in namelist definition.
huitang-earth
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b635d4e

Commits on Apr 10, 2026

Initialize a module for NVP layer dynamics and water balance.
huitang-earth
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f53ed36
Define NVP layer controllers and variables.
huitang-earth
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8f5d482
Pass NVP namelist control to FATES.
huitang-earth
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6f677b7
Add centralized parameter module for NVP (temporal solution).
huitang-earth
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2043eaa
Add NVP radiation related variables and parameters.
huitang-earth
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3711441
Add NVP radiation related variables into history output field.
huitang-earth
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a1955f9
Add NVP-enabled SNICAR_RT call.
huitang-earth
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e259d4b
Add NVP colum filter which can be used for NVP column loops.
huitang-earth
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80ca26e
Add NVP namelist settings (temporary)
huitang-earth
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78ef7a0
Allow NVP optical properties to be ported into bottom snow layer (layer 0).
huitang-earth
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79cbded
Add NVP light absorption for both snow and no-snow case
huitang-earth
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64bf7b1
Add NVP radiation wapper for FATES
huitang-earth
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2990172
Add FATES wrapper for dynamic NVP layer
huitang-earth
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a2cf476
Add NVP temperature state variable t_nvp_col.
huitang-earth
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84e0ed8
Accomdate NVP as layer 0 (snow layer) in soil-snow temperature integration
huitang-earth
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0481b00
Add NVP sensible heat flux.
huitang-earth
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ceedb0f

Commits on Apr 11, 2026

Add NVP sensible and latent heat flux .
huitang-earth
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85fb103
Add surface humidity calculation for NVP (similar to soil).
huitang-earth
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5b1eaf4
Add influence of ice content on NVP water retention.
huitang-earth
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522d8f5

Commits on Apr 12, 2026

Add NVP water state variable.
huitang-earth
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fea0c85
Add NVP water flux variables.
huitang-earth
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6caec1b
Add diagnostic NVP water variables.
huitang-earth
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56a9757
Add NVP surface specific humidity.
huitang-earth
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5d4c676
Modify soil surface water flux due to NVP presence.
huitang-earth
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b8109a6
Add NVP layer water balance calculation.
huitang-earth
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85d56f9
Add NVP photosynthesis wrapper.
huitang-earth
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50c6bf8
Add separate photosynthesis call for NVP.
huitang-earth
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922ab69
Add call for building NVP filter.
huitang-earth
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6b68bdc
Add patch to column integration for NVP evaporation flux.
huitang-earth
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09c5ad0
Add restart option for NVP layer.
huitang-earth
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d05b7e3

Commits on Apr 21, 2026

Remove redundant update of flx _absdv and flx_absiv for NVP layer when snow is absent.
huitang-earth
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ec18da5

Commits on Apr 26, 2026

Fixing bugs during compiling phase, no scientific changes.
huitang-earth
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2bfdf63

Commits on Apr 30, 2026

NVP bug fix: always set a valid value for t_nvp_col.
huitang-earth
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01641f4
Add debugging output to log files.
huitang-earth
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5f4fd3b

Commits on May 1, 2026

Point FATES at Hui Tang's branch, commit 49c247b39.
samsrabin
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683a86a

Commits on May 3, 2026

NVP bug fix: add 'use_nvp' guard for calculating top soil layer infiltration flux.
huitang-earth
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cda744e

Commits on May 4, 2026

Merge remote-tracking branch 'tang_ssh/ctsm5.4.028_nvp'
huitang-earth
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6ed45f0

Commits on May 7, 2026

bug fix: avoid too large hs values for h2osfc, when it is absent.
huitang-earth
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2513aaf

Commits on May 10, 2026

Fix git-fleximod FATES
samsrabin
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4156a30

Commits on May 11, 2026

use_nvp now actually default false.
samsrabin
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f183b46
NVP namelist vars now handled in CLMBuildNamelist.pm.
samsrabin
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dae7fe4

Commits on May 12, 2026

Commits on May 13, 2026

Update FATES: Avoid unconditional minimum elai and esai for NVP.
samsrabin
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c3a977a

Commits on May 23, 2026

BareGroundFluxesMod: Try wrapping patch%is_veg indexing in "if (use_fates)".
samsrabin
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1c72fe7

Commits on May 26, 2026

Commits on Jun 1, 2026

Commits on Jun 2, 2026

Update FATES to 54cd2c37: Set btran_eff for NVP to 1.0, no soil water stress.
samsrabin
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02b611b
Add a target to fix compile.
samsrabin
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31f0212

Commits on Jun 3, 2026

CDEPS changes to get ALP2 working.
samsrabin
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7f29058

Commits on Jun 11, 2026

Commits on Jun 12, 2026

Partitioning NVP radiation absorption to sabg_nvp (exposed) and sabg_lyr(p,0) (snow buried) parts.
huitang-earth
committed
9355fa2

Commits on Jun 14, 2026

Commits on Jun 15, 2026

Commits on Jun 17, 2026

Commits on Jun 24, 2026

Update FATES to: Move nvp ci equation into CiFunc
samsrabin
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0ee5fb4
Fix (?) cold-start NVP layer-0 ice content.
samsrabin
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6b3a896

Commits on Jun 26, 2026

FATES: FatesSunShadeFracs: Use site's coszen, not bc_in's.
samsrabin
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e4b973e

Commits on Jul 2, 2026

Add fates_nvp suite with one test, of ALP2 SP moss only.
samsrabin
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3145361

Commits on Jul 17, 2026

Add ALP2 grass and bare tests.
samsrabin
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5e8c38e
FATES: Update non-moss paramfile to match moss one, except HLM mapping.
samsrabin
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e1328a1
Grass and bare tests fail with div-by-zero
samsrabin
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baae01c

Commits on Jul 29, 2026

Merge branch 'add-alp2-tests' into ctsm5.4.028_nvp
samsrabin
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2de972a
FATES: Add option to not use NVP temp for entire patch.
samsrabin
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5ec737f
FATES: Rename one instance of t_cohort to t_for_gas_params.
samsrabin
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e8ab345

Commits on Aug 3, 2026

Add FatesALP2(Bare|Grass)NoNVP tests
samsrabin
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f516e83
Add fates_nvp_nonvp tests with gnu.
samsrabin
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b12be63
Add more gnu tests
samsrabin
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89cd915
Add some long NVP tests.
samsrabin
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211b805
Fix some test descriptions
samsrabin
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db91db6
Update expected fails.
samsrabin
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8058d84
FATES: Paramfile updates
samsrabin
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4dcc295
Add FatesALP2GrassMoss_NoNvpTempForPatchGasParams test
samsrabin
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302fd4e

Commits on Aug 4, 2026

Add tests with bare+grass+moss in nocomp rx-biogeography mode. Failing.
samsrabin
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f35cd3b
Rework NVP testmods.
samsrabin
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8690cbe
All NVP FatesColdSatPhen tests now use I2000Clm60FatesSpRsGs compset.
samsrabin
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1eea53c
Update existing expected failures.
samsrabin
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fad36a2
Expect 2 more intel tests to fail with floating invalid.
samsrabin
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3eb99e4
Rename some testmods to get under filename length limit.
samsrabin
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f55ce99
One more test is expected to fail with floating invalid.
samsrabin
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720dbf0