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Update recentering code #57

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merged 3 commits into from
Dec 5, 2023
Merged

Update recentering code #57

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02bf9e5
Update recentering code to calculate ensemble perturbations and then …
chunhuazhou Dec 5, 2023
dfdf948
Removing the intermediate array for the ensemble perturbations
chunhuazhou Dec 5, 2023
651eb96
Merge remote-tracking branch 'origin/develop' into update_recenter
chunhuazhou Dec 5, 2023
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21 changes: 10 additions & 11 deletions ens_mean_recenter/ens_mean_recenter.f90
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Original file line number Diff line number Diff line change
Expand Up @@ -51,11 +51,10 @@ PROGRAM ens_mean_recenter
integer :: ens_size
logical :: l_write_mean ! if write ensmeble mean
logical :: l_recenter ! if recenter
real :: beta

namelist/setup/ ens_size,fv3_io_layout_y,l_write_mean,l_recenter, &
filebase,filetail,&
numvar,varlist,beta
numvar,varlist

character (len=filename_len) :: directory ! General filename stub.
character (len=filename_len) :: filename ! General filename stub.
Expand Down Expand Up @@ -110,7 +109,6 @@ PROGRAM ens_mean_recenter
filebase='fv3sar_tile1'
l_write_mean=.true.
l_recenter=.false.
beta=1.0

inquire(file='namelist.ens', EXIST=ifexist )
if(ifexist) then
Expand Down Expand Up @@ -293,24 +291,25 @@ PROGRAM ens_mean_recenter
! recenter
!
if(l_recenter) then
! get delta
! get ensemble perturbations and then add it to the base state
l_positive=.false.
if( trim(mype_varname)=="ref_f3d" .or. trim(mype_varname)=="sphum" .or. &
trim(mype_varname)=="liq_wat" .or. trim(mype_varname)=="snowwat" .or. &
trim(mype_varname)=="rainwat" .or. trim(mype_varname)=="ice_wat" .or.&
trim(mype_varname)=="o3mr" .or. trim(mype_varname)=="q2m" .or.&
trim(mype_varname)=="smois" .or. trim(mype_varname)=="water_nc" .or.&
trim(mype_varname)=="rain_nc" .or. trim(mype_varname)=="ice_nc" .or.&
trim(mype_varname)=="graupel" )then
l_positive=.true.
endif

if(mype==0) write(*,*) 'calculate ensemble perturbations and add it to base state'
do iens=1,ens_size
do ilev=mype_lbegin,mype_lend
d3r8_mean(:,:,ilev)=d4r4(:,:,ilev,0)-d3r8_mean(:,:,ilev)
enddo
do iens=1,ens_size
do ilev=mype_lbegin,mype_lend
d4r4(:,:,ilev,iens)=d4r4(:,:,ilev,iens)+d3r8_mean(:,:,ilev)
if(l_positive) d4r4(:,:,ilev,iens)=max(d4r4(:,:,ilev,iens), 0.0)
enddo
d4r4(:,:,ilev,iens)=d4r4(:,:,ilev,iens)-d3r8_mean(:,:,ilev)+d4r4(:,:,ilev,0)
if(l_positive) d4r4(:,:,ilev,iens)=max(d4r4(:,:,ilev,iens), 0.0)
enddo
enddo
!
! write to each member
!
Expand Down