ctsm5.4.020: Update namelist defaults: paramfile, rh_hgh, defo_fire_precip_thresh_bet, initial conditions

[slevis-lmwg]

Description of changes

Copied from this post:

• New default paramfile for clm6
  paramfile = '/glade/work/linnia/CLM6-PPE/ctsm6_cal/paramfiles/ctsm60_params.c260204.nc'
• New defaults for CAM7_CLM6 land tuning mode

defo_fire_precip_thresh_bet = 1.4d00
rh_hgh = 80.0d00

• @wwieder will have new initial conditions for ne30 grids soon LMWG_dev#144
• The initial conditions update also reminds me of two other pending issues:
  • Post 5.4 remove use_init_interp=".true." from cases that don't need it #3751
  • Post 5.4: Change init_interp_fill_missing_urban_with_HD to FALSE for non-IHist cases #3363

Specific notes

Contributors other than yourself, if any:
@linniahawkins, @lifang0209, @wwieder

CTSM Issues Fixed (include github issue #):
Fixes #3725

Are answers expected to change (and if so in what way)?
Yes, due to new namelist defaults

• f19 BGC spinup and HIST run on LMWG_dev#143
• LDF for C-cycle parameter file changes vs. the 5.4 release #_143 vs #_125
• TODO run ILAMB for 143 vs 125
• B1850, B2000 and BHIST cases run for 20 years as part of the 283 series LMWG_dev#141, which has lots of links to various diagnostics

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

Testing performed, if any:
I confirmed that I got the correct defaults by submitting (without building and running) two tests:

SMS_D.f10_f10_mg37.I2000Clm60BgcCrop.derecho_gnu.clm-crop
SMS.ne30pg3_t232.I2000Clm60BgcCrop.derecho_intel.clm-clm60cam7LndTuningMode

@slevis-lmwg working locally in /glade/work/slevis/git/upd_nml_defaults

[ekluzek]

This looks good to me so far. But, there are more things that need to come in, so I won't approve now, nor ask for changes.

[slevis-lmwg]

@wwieder this is next in line now. First, we should confirm about

• updating finidat files (I can look at ctsm5.4.015_BGCcrop_ne30_144_ [AD, SASU, pSASU, HIST & quickStart NCAR/LMWG_dev#144) and also
• have we decided beyond doubt that we want a different paramfile for CAM7_CLM6 land tuning mode?

[wwieder]

We can discuss this in our meeting today, but to start that conversation:

Suggested parameter file for CAM7-CLM6 land tuning mode:

paramfile = '/glade/u/home/slevis/paramfiles/iss3725_forFang/ctsm60_params.c260204.cesm3-01.nc'

Let's rename this ctsm60-cam70_params.c260204.nc

And initial conditions at ne30 resolution for cases starting in 1850:

finidat = '/glade/derecho/scratch/wwieder/archive/ctsm5.4.015_BGCcrop_ne30_144_pSASU/rest/0181-01-01-00000/ctsm5.4.015_BGCcrop_ne30_144_pSASU.clm2.r.0181-01-01-00000.nc'

@slevis-lmwg adding
the above was decided in a meeting with @wwieder @samsrabin @adrifoster @ekluzek

• Also rimport this and new finidat

[slevis-lmwg]

Three rimports DONE:

./rimport -file lnd/clm2/paramdata/ctsm60_params.c260204.nc  
./rimport -file lnd/clm2/paramdata/ctsm60-cam70_params.c260204.nc 
./rimport -file lnd/clm2/initdata_esmf/ctsm5.4/ctsm5.4.015_BGCcrop_ne30_144_pSASU.clm2.r.0181-01-01.nc

[slevis-lmwg]

./run_sys_tests -s aux_clm -c ctsm5.4.019 -g ctsm5.4.020

• derecho
• izumi

[slevis-lmwg]

@wwieder @ekluzek
aux_clm looks promising so far (though has a long way to go still), so I requested a review.

[wwieder]

minor suggestions on the log files.

[wwieder]

add ", which increases pft specific values for "rswf_max" "rswf_min" in the clm6-cam7 tuning mode" in the notes here?

[wwieder]

Not sure how much detail we include here, but maybe replace with "Address carbon cycle and fire biases in CESM3 development runs by updating namelist defaults"

[slevis-lmwg]

Thank you @wwieder
I made both modifications that you suggested. For the first one I paraphrased.