g.e23_a16g.GJRAv4.TL319_t232_hycom1_N75.2024.023

[gustavo-marques]

Purpose:
Investigate the impact of using the REGRID_* options in hycom1 mode.

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Description:

Twin of 2024.018, but with REGRID_TIME_SCALE = 14400.0
REGRID_FILTER_SHALLOW_DEPTH = 100.0, and REGRID_FILTER_DEEP_DEPTH = 125.0

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Case directory:

• Locally (if still available):
  /glade/work/gmarques/cesm.cases/G/g.e23_a16g.GJRAv4.TL319_t232_hycom1_N75.2024.023

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Sandbox:

• Locally (if still available): /glade/work/gmarques/cesm.sandboxes/cesm2_3_alpha16g

• On github: https://github.com/ESCOMP/cesm/tree/cesm2_3_alpha16g

MOM6 tag: dev/ncar_240311

MOM_interface tag: mi_240311

CICE6 tag: cice_20230707

CESM_CICE tag: cesm_cice6_4_1_10

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Diagnostics:

• Diags (if available):
  TODO

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Output:

• Raw output on derecho (if still available): /glade/derecho/scratch/gmarques/archive/g.e23_a16g.GJRAv4.TL319_t232_hycom1_N75.2024.023/

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Contacts:
@gustavo-marques

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Extra details:

--compset 2000_DATM%JRA-1p4-2018_SLND_CICE_MOM6_DROF%JRA-1p4-2018_SGLC_SWAV_SESP --res TL319_t232

The following included in user_nl_mom

INPUTDIR = "INPUT"
STOCH_EOS=True
STANLEY_COEFF=0.5
USE_STANLEY_PGF=True
USE_STANLEY_ML=True
USE_STANLEY_ISO=True
USE_STANLEY_GM=True
USE_NEUTRAL_DIFFUSION = True
NDIFF_TAPERING = True
KHTR_USE_EBT_STRUCT = True
MEKE_KHTR_FAC = 1.0
DO_GEOTHERMAL = True
GEOTHERMAL_SCALE = 1.0
GEOTHERMAL_FILE = "geothermal_davies2013_tx2_3_20231120_cdf5.nc"
GEOTHERMAL_VARNAME = "geothermal_hf"
!!!!! Franks's grid !!!!!!!!!!!
NK = 75
REGRIDDING_COORDINATE_MODE = "HYCOM1"
BOUNDARY_EXTRAPOLATION = True
ALE_COORDINATE_CONFIG = "HYBRID:hybrid_75layer_zstar2.50m-2020-11-23.nc,sigma2,dz"
REGRID_COMPRESSIBILITY_FRACTION = 0.01
MAXIMUM_INT_DEPTH_CONFIG = "FNC1:5,8000.0,1.0,.01"
MAX_LAYER_THICKNESS_CONFIG = "FNC1:400,31000.0,0.1,.01"
COORD_CONFIG = "ALE"
!!! interp/remap scheme !!!!!!
INTERPOLATION_SCHEME = "PPM_CW"
REMAPPING_SCHEME = "PPM_CW"
HYCOM1_ONLY_IMPROVES = True
VELOCITY_REMAPPING_SCHEME = "PPM_CW"
!!! regrid filter !!!!
REGRID_TIME_SCALE = 14400.0
REGRID_FILTER_SHALLOW_DEPTH = 100.0
REGRID_FILTER_DEEP_DEPTH = 125.0