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Enable tapering of atm ens perts at the model top #3097

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merged 5 commits into from
Nov 15, 2024
Merged

Enable tapering of atm ens perts at the model top #3097

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73d8f20
Enable tapering of atm ens perts at the model top
CatherineThomas-NOAA Nov 13, 2024
9359c41
Merge branch 'develop' into feature/taper
CatherineThomas-NOAA Nov 13, 2024
a245732
Update scripts/exgdas_enkf_update.sh
aerorahul Nov 13, 2024
d47da43
Revert config.stage_ic
CatherineThomas-NOAA Nov 13, 2024
67139d1
Merge branch 'develop' into feature/taper
aerorahul Nov 15, 2024
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2 changes: 1 addition & 1 deletion parm/config/gfs/config.eupd
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Expand Up @@ -28,7 +28,7 @@ export lnsigcutoff=2.75 # ignored if modelspace_vloc=.true.

export lobsdiag_forenkf=".true." # use jacobian. must be .true. if modelspace_vloc=".true."
# need to specify .true. setting since config.anal sets to .false.

export taperanalperts=".true."
export NAM_ENKF="smoothparm=35,"

echo "END: config.eupd"
3 changes: 2 additions & 1 deletion scripts/exgdas_enkf_update.sh
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Expand Up @@ -77,6 +77,7 @@ write_spread_diag=${write_spread_diag:-".false."}
cnvw_option=${cnvw_option:-".false."}
netcdf_diag=${netcdf_diag:-".true."}
modelspace_vloc=${modelspace_vloc:-".false."} # if true, 'vlocal_eig.dat' is needed
taperanalperts=${taperanalperts:-".false."}
IAUFHRS_ENKF=${IAUFHRS_ENKF:-6}
NMEM_ENS_MAX=${NMEM_ENS:-80}
if [ "${RUN}" = "enkfgfs" ]; then
Expand Down Expand Up @@ -287,7 +288,7 @@ cat > enkf.nml << EOFnml
univaroz=.false.,adp_anglebc=.true.,angord=4,use_edges=.false.,emiss_bc=.true.,
letkf_flag=${letkf_flag},nobsl_max=${nobsl_max},denkf=${denkf},getkf=${getkf}.,
nhr_anal=${IAUFHRS_ENKF},nhr_state=${IAUFHRS_ENKF},
lobsdiag_forenkf=$lobsdiag_forenkf,
lobsdiag_forenkf=${lobsdiag_forenkf},taperanalperts=${taperanalperts},
write_spread_diag=$write_spread_diag,
modelspace_vloc=$modelspace_vloc,
use_correlated_oberrs=${use_correlated_oberrs},
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