MODULE module_fdda_spnudging
USE module_dm , ONLY : ntasks_x, ntasks_y, local_communicator_x, local_communicator_y, data_order_xzy
USE module_wrf_error , ONLY : wrf_err_message
CONTAINS
SUBROUTINE spectral_nudging(grid,itimestep,dt,xtime,id,analysis_interval, end_fdda_hour, &
if_no_pbl_nudging_uv, if_no_pbl_nudging_t, if_no_pbl_nudging_ph,&
if_zfac_uv, k_zfac_uv, dk_zfac_uv, &
if_zfac_t, k_zfac_t, dk_zfac_t, &
if_zfac_ph, k_zfac_ph, dk_zfac_ph, &
guv, gt, gph, if_ramping, dtramp_min, xwavenum, ywavenum, &
u3d,v3d,th3d,ph3d, &
u_ndg_old,v_ndg_old,t_ndg_old,ph_ndg_old, &
u_ndg_new,v_ndg_new,t_ndg_new,ph_ndg_new, &
RUNDGDTEN,RVNDGDTEN,RTHNDGDTEN,RPHNDGDTEN,&
pblh, ht, z, z_at_w, &
ids,ide, jds,jde, kds,kde, &
ims,ime, jms,jme, kms,kme, &
i_start,i_end, j_start,j_end, kts,kte, num_tiles, &
ips,ipe,jps,jpe,kps,kpe, &
imsx,imex,jmsx,jmex,kmsx,kmex, &
ipsx,ipex,jpsx,jpex,kpsx,kpex, &
imsy,imey,jmsy,jmey,kmsy,kmey, &
ipsy,ipey,jpsy,jpey,kpsy,kpey )
USE module_state_description
USE module_domain, ONLY : domain
implicit none
TYPE(domain) , TARGET :: grid
INTEGER, INTENT(IN) :: itimestep, analysis_interval, end_fdda_hour
INTEGER, INTENT(IN) :: if_no_pbl_nudging_uv, if_no_pbl_nudging_t, &
if_no_pbl_nudging_ph
INTEGER, INTENT(IN) :: if_zfac_uv, if_zfac_t, if_zfac_ph
INTEGER, INTENT(IN) :: k_zfac_uv, k_zfac_t, k_zfac_ph
INTEGER, INTENT(IN) :: dk_zfac_uv, dk_zfac_t, dk_zfac_ph
INTEGER, INTENT(IN) :: if_ramping
INTEGER, INTENT(IN) :: xwavenum,ywavenum
INTEGER , INTENT(IN) :: id
REAL, INTENT(IN) :: DT, xtime, dtramp_min
INTEGER, INTENT(IN) :: ids,ide, jds,jde, kds,kde, &
ims,ime, jms,jme, kms,kme, &
kts,kte, num_tiles, &
ips,ipe,jps,jpe,kps,kpe, &
imsx,imex,jmsx,jmex,kmsx,kmex, &
ipsx,ipex,jpsx,jpex,kpsx,kpex, &
imsy,imey,jmsy,jmey,kmsy,kmey, &
ipsy,ipey,jpsy,jpey,kpsy,kpey
INTEGER, DIMENSION(num_tiles), INTENT(IN) :: &
& i_start,i_end,j_start,j_end
REAL, DIMENSION( ims:ime, kms:kme, jms:jme ), &
INTENT(IN) :: ph3d, &
th3d, &
z, &
z_at_w
REAL, DIMENSION( ims:ime, kms:kme, jms:jme ), &
INTENT(INOUT) :: rundgdten, &
rvndgdten, &
rthndgdten, &
rphndgdten
REAL, DIMENSION( ims:ime, kms:kme, jms:jme ), &
INTENT(INOUT) :: u_ndg_old, &
v_ndg_old, &
t_ndg_old, &
ph_ndg_old, &
u_ndg_new, &
v_ndg_new, &
t_ndg_new, &
ph_ndg_new
REAL, DIMENSION( ims:ime, kms:kme, jms:jme ), &
INTENT(IN) :: u3d, &
v3d
REAL, DIMENSION( ims:ime, jms:jme ), INTENT(IN) :: pblh, &
ht
REAL, INTENT(IN) :: guv, gt ,gph
INTEGER :: its,ite, jts,jte,ij
INTEGER :: i, j, k, itsu, jtsv, itf, jtf, ktf, i0, k0, j0
REAL :: xtime_old, xtime_new, coef, val_analysis
INTEGER :: kpbl, dbg_level
REAL :: zpbl, zagl, zagl_bot, zagl_top, tfac, actual_end_fdda_min
REAL, DIMENSION( ips:ipe, kps:kpe, jps:jpe, 4 ) :: wpbl
REAL, DIMENSION( kps:kpe, 4 ) :: wzfac
LOGICAL , EXTERNAL :: wrf_dm_on_monitor
CHARACTER (LEN=256) :: message
END SUBROUTINE spectral_nudging
SUBROUTINE spectral_nudging_filter_3dx( f, nwave, &
ids, ide, jds, jde, kds, kde, &
ims, ime, jms, jme, kms, kme, &
its, ite, jts, jte, kts, kte )
IMPLICIT NONE
INTEGER , INTENT(IN ) :: nwave
INTEGER , INTENT(IN ) :: ids, ide, jds, jde, kds, kde, &
ims, ime, jms, jme, kms, kme, &
its, ite, jts, jte, kts, kte
REAL , DIMENSION( ims:ime , kms:kme, jms:jme ) , INTENT(INOUT) :: f
REAL , DIMENSION(1:ide-ids+1,1:kte-kts+1) :: sheet
INTEGER :: i, j, j_end, k, nx, ny
IF ((its /= ids) .OR. (ite /= ide)) THEN
WRITE ( wrf_err_message , * ) 'module_spectral_nudging: 3d: (its /= ids) or (ite /= ide)',its,ids,ite,ide
CALL wrf_error_fatal3("<stdin>",187,&
TRIM( wrf_err_message ) )
END IF
nx = ide-ids+1
ny = kte-kts+1
j_end = MIN(jte, jde-1)
IF (j_end == jde-1) j_end = jde
DO j = jts, j_end
DO k=kts,kte
DO i=ids,ide-1
sheet(i-ids+1,k-kts+1) = f(i,k,j)
END DO
sheet(ide,k-kts+1) = 0.
END DO
CALL spectralnudgingfilterfft2dncar(nx,ny,nwave,sheet)
DO k=kts,kte
DO i=ids,ide
f(i,k,j) = sheet(i-ids+1,k-kts+1)
END DO
END DO
END DO
END SUBROUTINE spectral_nudging_filter_3dx
SUBROUTINE spectral_nudging_filter_3dy( f, nwave, &
ids, ide, jds, jde, kds, kde, &
ims, ime, jms, jme, kms, kme, &
its, ite, jts, jte, kts, kte )
IMPLICIT NONE
INTEGER , INTENT(IN ) :: nwave
INTEGER , INTENT(IN ) :: ids, ide, jds, jde, kds, kde, &
ims, ime, jms, jme, kms, kme, &
its, ite, jts, jte, kts, kte
REAL , DIMENSION( ims:ime , kms:kme, jms:jme ) , INTENT(INOUT) :: f
REAL , DIMENSION(1:jde-jds+1,1:kte-kts+1) :: sheet
INTEGER :: i, j, i_end, k, nx, ny
IF ((jts /= jds) .OR. (jte /= jde)) THEN
WRITE ( wrf_err_message , * ) 'module_spectral_nudging: 3d: (jts /= jds) or (jte /= jde)',jts,ids,ite,ide
CALL wrf_error_fatal3("<stdin>",242,&
TRIM( wrf_err_message ) )
END IF
nx = jde-jds+1
ny = kte-kts+1
i_end = MIN(ite, ide-1)
IF (i_end == ide-1) i_end = ide
DO i = its, i_end
DO k=kts,kte
DO j=jds,jde
sheet(j-jds+1,k-kts+1) = f(i,k,j)
END DO
sheet(jde,k-kts+1) = 0.
END DO
CALL spectralnudgingfilterfft2dncar(nx,ny,nwave,sheet)
DO k=kts,kte
DO j=jds,jde
f(i,k,j) = sheet(j-jds+1,k-kts+1)
END DO
END DO
END DO
END SUBROUTINE spectral_nudging_filter_3dy
SUBROUTINE spectralnudgingfilterfft2dncar(nx,ny,nwave,fin)
IMPLICIT NONE
INTEGER , INTENT(IN) :: nx, ny, nwave
REAL , DIMENSION(nx,ny), INTENT(INOUT) :: fin
INTEGER :: i, j
REAL, dimension(nx,ny) :: fp
INTEGER :: lensave, ier, nh, n1
INTEGER :: lot, jump, n, inc, lenr, lensav, lenwrk
REAL, DIMENSION(nx+15) :: wsave
REAL, DIMENSION(nx,ny) :: work
n = nx
lot = ny
lensav = n+15
inc = 1
lenr = nx*ny
jump = nx
lenwrk = lenr
call rfftmi(n,wsave,lensav,ier)
IF(ier /= 0) THEN
write(0,*) ' error in rfftmi ',ier
END IF
call rfftmf( lot, jump, n, inc, fin, lenr, wsave, lensav, work, lenwrk, ier )
IF(ier /= 0) THEN
write(0,*) ' error in rfftmf ',ier
END IF
if(MOD(n,2) == 0) then
nh = n/2 - 1
else
nh = (n-1)/2
end if
fp = 1.
DO j=1,ny
DO i=nwave+1,nh
fp(2*i-1,j) = 0.
fp(2*i,j) = 0.
ENDDO
ENDDO
DO j=1,ny
DO i=1,nx
fin(i,j) = fp(i,j)*fin(i,j)
ENDDO
ENDDO
call rfftmb( lot, jump, n, inc, fin, lenr, wsave, lensav, work, lenwrk, ier )
IF(ier /= 0) THEN
write(0,*) ' error in rfftmb ',ier
END IF
END SUBROUTINE spectralnudgingfilterfft2dncar
SUBROUTINE fddaspnudginginit(id,rundgdten,rvndgdten,rthndgdten,rphndgdten, &
run_hours, &
if_no_pbl_nudging_uv, if_no_pbl_nudging_t, if_no_pbl_nudging_ph, &
if_zfac_uv, k_zfac_uv, dk_zfac_uv, &
if_zfac_t, k_zfac_t, dk_zfac_t, &
if_zfac_ph, k_zfac_ph, dk_zfac_ph, &
guv, gt, gph, if_ramping, dtramp_min, end_fdda_hour, &
xwavenum,ywavenum, &
restart, allowed_to_read, &
ids, ide, jds, jde, kds, kde, &
ims, ime, jms, jme, kms, kme, &
its, ite, jts, jte, kts, kte )
IMPLICIT NONE
INTEGER , INTENT(IN) :: id
LOGICAL, INTENT(IN) :: restart, allowed_to_read
INTEGER, INTENT(IN) :: ids, ide, jds, jde, kds, kde, &
ims, ime, jms, jme, kms, kme, &
its, ite, jts, jte, kts, kte
REAL, DIMENSION( ims:ime , kms:kme , jms:jme ), INTENT(OUT) :: &
rundgdten, &
rvndgdten, &
rthndgdten, &
rphndgdten
INTEGER, INTENT(IN) :: run_hours
INTEGER, INTENT(IN) :: if_no_pbl_nudging_uv, if_no_pbl_nudging_t, &
if_no_pbl_nudging_ph, end_fdda_hour
INTEGER, INTENT(IN) :: if_zfac_uv, if_zfac_t, if_zfac_ph
INTEGER, INTENT(IN) :: k_zfac_uv, k_zfac_t, k_zfac_ph
INTEGER, INTENT(IN) :: dk_zfac_uv, dk_zfac_t, dk_zfac_ph
INTEGER, INTENT(IN) :: if_ramping
INTEGER, INTENT(IN) :: xwavenum,ywavenum
REAL, INTENT(IN) :: dtramp_min
REAL, INTENT(IN) :: guv, gt, gph
REAL :: actual_end_fdda_min
INTEGER :: i, j, k
LOGICAL , EXTERNAL :: wrf_dm_on_monitor
CHARACTER (LEN=256) :: message
IF ( wrf_dm_on_monitor() ) THEN
IF( guv > 0.0) THEN
WRITE(message,'(a,i1,a,e12.4,a,i4,a,i4)') &
'D0',id,' Spectral nudging for wind is turned on and Guv= ', guv,' xwave= ',xwavenum,' ywavenum= ',ywavenum
CALL wrf_message(TRIM(message))
ELSE IF( guv < 0.0 ) THEN
CALL wrf_error_fatal3("<stdin>",400,&
'In grid FDDA, Guv must be positive.')
ELSE
WRITE(message,'(a,i1,a,e12.4)') &
'D0',id,' Spectral nudging for wind is turned off and Guv= ', guv
CALL wrf_message(TRIM(message))
ENDIF
IF( gt > 0.0) THEN
WRITE(message,'(a,i1,a,e12.4,a,i4,a,i4)') &
'D0',id,' Spectral nudging for temperature is turned on and Gt= ', gt,' xwave= ',xwavenum,' ywavenum= ',ywavenum
CALL wrf_message(TRIM(message))
ELSE IF( gt < 0.0 ) THEN
CALL wrf_error_fatal3("<stdin>",413,&
'In grid FDDA, Gt must be positive.')
ELSE
WRITE(message,'(a,i1,a,e12.4)') &
'D0',id,' Spectral nudging for temperature is turned off and Gt= ', gt
CALL wrf_message(TRIM(message))
ENDIF
IF( gph > 0.0) THEN
WRITE(message,'(a,i1,a,e12.4,a,i4,a,i4)') &
'D0',id,' Spectral nudging for geopotential is turned on and Gph= ', gph,' xwave= ',xwavenum,' ywavenum= ',ywavenum
CALL wrf_message(TRIM(message))
ELSE IF( gph < 0.0 ) THEN
CALL wrf_error_fatal3("<stdin>",426,&
'In grid FDDA, Gph must be positive.')
ELSE
WRITE(message,'(a,i1,a,e12.4)') &
'D0',id,' Spectral nudging for geopotential is turned off and Gph= ', gph
CALL wrf_message(TRIM(message))
ENDIF
IF( guv > 0.0 .AND. if_no_pbl_nudging_uv == 1 ) THEN
WRITE(message,'(a,i1,a)') &
'D0',id,' Spectral nudging for wind is turned off within the PBL.'
CALL wrf_message(TRIM(message))
IF( dk_zfac_uv < 1 ) CALL wrf_error_fatal3("<stdin>",438,&
'In spectral nudging, dk_zfac_uv must be greater or equal than 1.')
ELSEIF( guv > 0.0 .AND. if_zfac_uv == 1 ) THEN
WRITE(message,'(a,i1,a,i3)') &
'D0',id,' Spectral nudging for wind is turned off below layer', k_zfac_uv
CALL wrf_message(TRIM(message))
IF( dk_zfac_uv < 1 ) CALL wrf_error_fatal3("<stdin>",444,&
'In spectral nudging, dk_zfac_uv must be greater or equal than 1.')
ENDIF
IF( gt > 0.0 .AND. if_no_pbl_nudging_t == 1 ) THEN
WRITE(message,'(a,i1,a)') &
'D0',id,' Spectral nudging for temperature is turned off within the PBL.'
CALL wrf_message(TRIM(message))
IF( dk_zfac_t < 1 ) CALL wrf_error_fatal3("<stdin>",453,&
'In spectral nudging, dk_zfac_t must be greater or equal than 1.')
ELSEIF( gt > 0.0 .AND. if_zfac_t == 1 ) THEN
WRITE(message,'(a,i1,a,i3)') &
'D0',id,' Spectral nudging for temperature is turned off below layer', k_zfac_t
CALL wrf_message(TRIM(message))
IF( dk_zfac_t < 1 ) CALL wrf_error_fatal3("<stdin>",459,&
'In spectral nudging, dk_zfac_t must be greater or equal than 1.')
ENDIF
IF( gph > 0.0 .AND. if_no_pbl_nudging_ph == 1 ) THEN
WRITE(message,'(a,i1,a)') &
'D0',id,' Spectral nudging for geopotential is turned off within the PBL.'
CALL wrf_message(TRIM(message))
IF( dk_zfac_ph < 1 ) CALL wrf_error_fatal3("<stdin>",468,&
'In spectral nudging, dk_zfac_ph must be greater or equal than 1.')
ELSEIF( gph > 0.0 .AND. if_zfac_ph == 1 ) THEN
WRITE(message,'(a,i1,a,i3)') &
'D0',id,' Spectral nudging for geopotential is turned off below layer', &
k_zfac_ph
CALL wrf_message(TRIM(message))
IF( dk_zfac_ph < 1 ) CALL wrf_error_fatal3("<stdin>",475,&
'In spectral nudging, dk_zfac_ph must be greater or equal than 1.')
ENDIF
IF( if_ramping == 1 .AND. ABS(dtramp_min) > 0.0 ) THEN
IF( dtramp_min <= 0.0 ) THEN
actual_end_fdda_min = end_fdda_hour*60.0
ELSE
actual_end_fdda_min = end_fdda_hour*60.0 + ABS(dtramp_min)
ENDIF
IF( actual_end_fdda_min <= run_hours*60. ) THEN
WRITE(message,'(a,i1,a)') &
'D0',id,' Spectral nudging is ramped down near the end of the nudging period,'
CALL wrf_message(TRIM(message))
WRITE(message,'(a,f6.2,a,f6.2,a)') &
' starting at ', (actual_end_fdda_min - ABS(dtramp_min))/60.0,&
'h, ending at ', actual_end_fdda_min/60.0,'h.'
CALL wrf_message(TRIM(message))
ENDIF
ENDIF
ENDIF
IF(.not.restart) THEN
DO j = jts,jte
DO k = kts,kte
DO i = its,ite
rundgdten(i,k,j) = 0.
rvndgdten(i,k,j) = 0.
rthndgdten(i,k,j) = 0.
rphndgdten(i,k,j) = 0.
ENDDO
ENDDO
ENDDO
ENDIF
END SUBROUTINE fddaspnudginginit
END MODULE module_fdda_spnudging