ctsm5.3 f19 spinup and historical with new Nfix temperature function

[wwieder]

Description:
Identical to #70, with updates to temperature function used for nitrogen fixation by FUN.

---

Case directory:
Locally:
/glade/work/wwieder/ctsm5.3.0/ctsm530_f19_nfix_AD, _SASU, _pSASU, _hist2

---

Sandbox:
Locally:
/glade/u/home/wwieder/CTSM
ctsm5.3.009 code base with modifications listed below and in a CTSM-side draft PR

---

user_nl_ changes:

paramfile = '/glade/work/wwieder/modified_inputs/ctsm60_params_nfix.c241101.nc'
! The 78pft version comes out of the box with this setup, so point explicitly to a 16pft version
fsurdat = '/glade/derecho/scratch/slevis/temp_work/new_rawdata/tools/mksurfdata_esmf/surfdata_1.9x2.5_hist_1850_16pfts_c240926.nc'

hist_fincl1 = 'TOTECOSYSC', 'TOTECOSYSN', 'TOTSOMC', 'TOTSOMN', 'TOTVEGC', 'TOTVEGN', 'TLAI', 'GPP', 'CPOOL', 'NPP', 'TWS','H2OSNO','NFIX'

! turn off shifting cultivation
do_grossunrep = .false.

---

SourceMods:
Modifications in the source code to CNFUNMod.F90 & pftconMod.F90.
Also made source mods to CanopyFluxesMod.F90 as in #70.

---

Diagnostics:

https://webext.cgd.ucar.edu/I20TR/ctsm530_f19_nfix_hist2/lnd/ctsm530_f19_nfix_hist2_2004_2023-ctsm530_f19_PPE_hist_2004_2023/setsIndex.html

---

Output:
Output (if still available):
/glade/derecho/scratch/wwieder/archive/ctsm530_f19_nfix_hist2

Timeseries files are here:
/glade/derecho/scratch/oleson/timeseries/ctsm530_f19_nfix_hist2/lnd/proc/tseries

---

Contacts:
@olyson

---

Extra details:

[wwieder]

@olyson this case should finish up tonight and looks good to run diagnostics with #70 when you're able.

[olyson]

@wwieder , diagnostics are posted here:
https://webext.cgd.ucar.edu/I20TR/ctsm530_f19_nfix_hist2/lnd/ctsm530_f19_nfix_hist2_2004_2023-ctsm530_f19_PPE_hist_2004_2023/setsIndex.html

[wwieder]

you're amazing. thanks @olyson

[wwieder]

@tbytnero, more plots that you may care to look at comparing the Houlton (#70) and Bytnero (#72) Temperature functions are linked above