b.e30_beta06.B1850C_LTso.ne30_t232_wgx3.167

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
35/100
Issue type
Feature
Clarity
Mostly clear
Activity status
Stale
Tech stack
fortran
Domain
hpc

Research direction

Start by reading SourceMods/src.mom/mom_surface_forcing_nuopc.F90 and comparing the listed user_nl_mom configuration with experiment 165 in issue #90. Use the case directory and linked diagnostics to inspect the current run, but first confirm the intended amount or criterion for reduced Lab Sea runoff; completion is not defined more precisely in the issue.

Written by the indexing model from the issue text.

Description

Purpose:
167=165 + replace boundary layer scheme + reduce runoff in the Lab Sea.

Description:

Same configuration as 165 (#90):

  • user_nl_mom
FPMIX = False
USE_KPP = False
ENERGETICS_SFC_PBL = True
EPBL_IS_ADDITIVE = False
ML_OMEGA_FRAC = 0.001
EPBL_MSTAR_SCHEME = "OM4"
TKE_DECAY = 0.01
MSTAR_CAP = 1.25
MSTAR2_COEF1 = 0.29
MSTAR2_COEF2 = 0.152
NSTAR = 0.06
MSTAR_CONV_ADJ = 0.667
USE_MLD_ITERATION = True
EPBL_TRANSITION_SCALE = 0.01
MIX_LEN_EXPONENT = 1.0
USE_LA_LI2016 = True
EPBL_LANGMUIR_SCHEME = "ADDITIVE"
LT_ENHANCE_COEF = 0.044
LT_ENHANCE_EXP = -1.5
LT_MOD_LAC1 = 0.0
LT_MOD_LAC4 = 0.0
LT_MOD_LAC5 = 0.22
BBL_EFFIC = 0.01
USE_RESTRICTIVE_TOLERANCE_CHECK = True

-reduce runoff in the Lab Sea

SourceMods/src.mom/mom_surface_forcing_nuopc.F90

Case directory:

Sandbox:
Locally (if still available): /glade/work/hannay/cesm_tags/cesm3_0_beta06

On github: https://github.com/ESCOMP/cesm/tree/cesm3_0_beta06

Diagnostics:

Output:

  • Raw output on derecho (if still available): /glade/derecho/scratch/hannay/archive/b.e30_beta06.B1850C_LTso.ne30_t232_wgx3.167/
  • CAM Climos: /glade/campaign/cgd/amp/amwg/climo/b.e30_beta06.B1850C_LTso.ne30_t232_wgx3.167

Contacts:
@cecilehannay @dlawrenncar @adamrher @PeterHjortLauritzen @JulioTBacmeister @swrneale @slevis-lmwg @wwieder @olyson @gustavo-marques @fobryan3 @klindsay28 @dabail10 @duvivier @tilmes @mbramberger

Extra details:

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Forks
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  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

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