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CESM3-SP test (b.e23_alpha16b BLT1850 ne30_t232 034SP) #6

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wwieder opened this issue Sep 6, 2023 · 2 comments
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CESM3-SP test (b.e23_alpha16b BLT1850 ne30_t232 034SP) #6

wwieder opened this issue Sep 6, 2023 · 2 comments

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@wwieder
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wwieder commented Sep 6, 2023

Description:
Same as b.e23_alpha16b.BLT1850.ne30_t232.034 (cloned) but with CLM satellite phenology (SP) instead of BGC.
Purpose is to see if increased vegetation at high northern latitudes can lower albedo in spring/early summer and cause earlier melt-out of the snowpack, and warm up the simulation at these latitudes.


Case directory:
Locally:
/glade/work/oleson/cesm2_3_alpha16b_runs/b.e23_alpha16b.BLT1850.ne30_t232.034SP


Sandbox:
Locally:
/glade/work/hannay/cesm_tags/cesm2_3_alpha16b


user_nl_ changes:
use_init_interp = .true.
fsurdat = '/glade/work/slevis/git/mksurfdata_toolchain/tools/mksurfdata_esmf/surfdata_ne30np4.pg3_SSP5-8.5_78pfts_CMIP6_1850-2100_c230227.nc'
finidat='/glade/p/cgd/tss/people/oleson/CLM5_restarts/ctsm51_cesm23a14a_ne30pg3ne30pg3mg17_CPLHIST_1850pAD.clm2.r.0561-01-01-00000.nc'


SourceMods:
src.clm/clm_varpar.F90: nlevurb=5 -> nlevurb=10
src.clm/surfrdMod.F90: Remove read of PFTDATA_MASK


Diagnostics:
Diags (if available)

Here


Output:
Output:
/glade/campaign/cgd/tss/common/Coupled_Simulations/CTSM52_DEV/b.e23_alpha16b.BLT1850.ne30_t232.034SP


Contacts:
@olyson


Extra details:
See discussion in #3
Complete

@olyson olyson self-assigned this Sep 7, 2023
@slevis-lmwg slevis-lmwg added the Compset: B1850 Coupled label Sep 14, 2023
@wwieder wwieder changed the title b.e23_alpha16b BLT1850 ne30_t232 034SP CESM3-SP test (b.e23_alpha16b BLT1850 ne30_t232 034SP) Sep 14, 2023
@slevis-lmwg
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@olyson @adamrher
This case includes some src.cam mods. Initially I included them in my F-case #13 and failed due to a history var not appearing in the master list. I have decided to omit these mods altogether in #13, unless you recommend otherwise.

@adamrher
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adamrher commented Sep 18, 2023

Hi @slevis-lmwg the SourceMods in NCAR/amwg_dev#361 should be included. They provide Ri based diffusion above where clubb is active. But I don't expect this to have a first order impact on the radiative balance.

Looks liken you're basing these runs on coupled baseline 34, which is fine, but note 34 is a bit colder than our more recent runs (38-44). Moving targets are always a challenge ...

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