! !************************************************************************ ! Fortran 95 OPA Nesting tools * ! * ! Copyright (C) 2005 Florian Lemari�(Florian.Lemarie@imag.fr) * ! * !************************************************************************ ! PROGRAM create_rstrt_trc ! USE NETCDF USE bilinear_interp USE bicubic_interp USE agrif_readwrite USE io_netcdf USE agrif_extrapolation USE agrif_interpolation USE agrif_partial_steps USE agrif_connect_topo ! IMPLICIT NONE ! !************************************************************************ ! * ! PROGRAM CREATE_RSTRT_TRC * ! * ! program to interpolate parent grid restart file to child grid * ! * ! * !Interpolation is carried out using bilinear interpolation * !routine from SCRIP package * ! * !http://climate.lanl.gov/Software/SCRIP/ * !************************************************************************ ! ! variables declaration ! CHARACTER*20,DIMENSION(:),POINTER :: Ncdf_varname => NULL() CHARACTER*20 :: vert_coord_name CHARACTER*1 :: posvar CHARACTER*3 :: prefix CHARACTER*20:: suffix CHARACTER*100 :: Child_file,Childcoordinates,varname,varname2,Child_Bathy_Level,Child_Bathy_Meter REAL*8, POINTER, DIMENSION(:,:,:) :: tabvar3d => NULL() REAL*8, POINTER, DIMENSION(:,:,:,:) :: trb,trn => NULL() REAL*8, POINTER, DIMENSION(:,:,:,:) :: tabinterp4d,tabvar1,tabvar2,tabvar3 => NULL() REAL*8, POINTER, DIMENSION(:) :: tabtemp1D,nav_lev => NULL() REAL*8, POINTER, DIMENSION(:,:) :: tabtemp2D => NULL() INTEGER,DIMENSION(:),POINTER :: src_add,dst_add => NULL() REAL*8,DIMENSION(:,:),POINTER :: matrix => NULL() LOGICAL,DIMENSION(:,:),POINTER :: masksrc => NULL() LOGICAL, DIMENSION(:,:,:), POINTER :: detected_pts LOGICAL :: Interpolation,Extrapolation,Pacifique INTEGER :: narg,iargc,ncid,x,y,z,nbvert_lev REAL*8 :: now_wght,before_wght INTEGER :: ii,ji,jj,jk,status,varid,numdims CHARACTER(len=20),DIMENSION(4) :: dimnames CHARACTER(len=80) :: namelistname TYPE(Coordinates) :: G0,G1 REAL*8 :: tabtemp0dreal LOGICAL, PARAMETER :: conservation = .FALSE. ! narg = iargc() IF (narg == 0) THEN namelistname = 'namelist.input' ELSE CALL getarg(1,namelistname) ENDIF ! ! read input file ! CALL read_namelist(namelistname) ! IF(TRIM(restart_trc_file) == '') THEN WRITE(*,*) 'no tracers restart file specified in ',TRIM(namelistname) STOP ENDIF ! WRITE(*,*) '' WRITE(*,*) 'Interpolation of restart file : ',TRIM(restart_trc_file) WRITE(*,*) '' ! CALL Read_Ncdf_VarName(restart_trc_file,Ncdf_varname) ! CALL set_child_name(parent_coordinate_file,Childcoordinates) IF( TRIM(parent_bathy_level) /= '' ) CALL set_child_name(parent_bathy_level,Child_Bathy_Level) IF( TRIM(parent_bathy_meter) /= '' ) CALL set_child_name(parent_bathy_meter,Child_Bathy_Meter) ! ! create this file ! CALL set_child_name(restart_trc_file,Child_file) status = nf90_create(Child_file,NF90_WRITE,ncid) status = nf90_close(ncid) WRITE(*,*) 'Child grid restart file name = ',TRIM(Child_file) WRITE(*,*) '' ! ! read dimensions in parent restart file ! CALL Read_Ncdf_dim('x',restart_trc_file,x) CALL Read_Ncdf_dim('y',restart_trc_file,y) CALL Read_Ncdf_dim('nav_lev',restart_trc_file,z) IF( z .NE. N ) THEN WRITE(*,*) '***' WRITE(*,*) 'Number of vertical levels doesn t match between namelist and restart file' WRITE(*,*) 'Please check the values in namelist file' STOP ENDIF ! ! mask initialization for extrapolation and interpolation ! WRITE(*,*) 'mask initialisation on coarse and fine grids' ! status = Read_Local_Coordinates(parent_coordinate_file,G0,(/jpizoom,jpjzoom/),(/x,y/)) status = Read_Coordinates(Childcoordinates,G1,Pacifique) ! !longitude modification if child domain covers Pacific ocean area ! IF( Pacifique ) THEN WHERE( G0%nav_lon < 0 ) G0%nav_lon = G0%nav_lon + 360. END WHERE WHERE( G1%nav_lon < 0 ) G1%nav_lon = G1%nav_lon + 360. END WHERE ENDIF ! ! one needs bathy_level IF( TRIM(parent_bathy_level) /= '' ) THEN status = Read_bathy_level(TRIM(parent_bathy_level),G0) status = Read_bathy_level(TRIM(child_bathy_level),G1) ELSE status = read_bathy_meter(TRIM(parent_bathy_meter),G0) status = read_bathy_meter(TRIM(child_bathy_meter),G1) CALL meter_to_levels(G0) CALL meter_to_levels(G1) ENDIF ! get masks CALL Init_tmask(parent_bathy_level,G0,x,y) CALL Init_tmask(child_bathy_level,G1,nxfin,nyfin) !!clem G0%tmask = 1. ! which dataset status = nf90_open(TRIM(restart_trc_file), NF90_NOWRITE, ncid) ! Open dataset DO jk = 1, z ALLOCATE(tabvar1(x,y,1,1)) ! status = nf90_inq_varid(ncid, "TRNDIC", VarId) !PISCES IF (status == nf90_noerr) THEN CALL Read_Ncdf_var('TRNDIC',TRIM(restart_trc_file),tabvar1,1,jk) ELSE status = nf90_inq_varid(ncid, "TRNNO3" , VarId) ! LOBSTER IF (status == nf90_noerr) THEN CALL Read_Ncdf_var('TRNNO3',TRIM(restart_trc_file),tabvar1,1,jk) ELSE status = nf90_inq_varid(ncid, "TRNCFC11", VarId) ! CFC IF (status == nf90_noerr) THEN CALL Read_Ncdf_var('TRNCFC11',TRIM(restart_trc_file),tabvar1,1,jk) ELSE status = nf90_inq_varid(ncid, "TRNCLR ", VarId) ! My TRC IF (status == nf90_noerr) THEN CALL Read_Ncdf_var('TRNCLR',TRIM(restart_trc_file),tabvar1,1,jk) ELSE WRITE(*,*) 'No suitable tracer found to build the mask ' ENDIF ENDIF ENDIF ENDIF WHERE( tabvar1(:,:,1,1) == 0. ) G0%tmask(:,:,jk) = 0. END WHERE DEALLOCATE(tabvar1) END DO ! ! write dimensions in output file WRITE(*,*) 'write dimensions' ! CALL Write_Ncdf_dim('x',Child_file,nxfin) CALL Write_Ncdf_dim('y',Child_file,nyfin) CALL Write_Ncdf_dim('nav_lev',Child_file,z) CALL Write_Ncdf_dim('time_counter',Child_file,0) ! ! DO ii = 1,SIZE(Ncdf_varname) ! ! loop on variables names varname = TRIM(Ncdf_varname(ii)) WRITE(*,*) 'var = ',TRIM(varname) ! SELECT CASE (TRIM(varname)) ! CASE('nav_lon') CALL Read_Ncdf_var('nav_lon',TRIM(Childcoordinates),tabtemp2D) CALL Write_Ncdf_var('nav_lon',(/'x','y'/),Child_file,tabtemp2D,'float') CALL Copy_Ncdf_att('nav_lon',TRIM(restart_trc_file),Child_file,MINVAL(tabtemp2D),MAXVAL(tabtemp2D)) DEALLOCATE(tabtemp2D) Interpolation = .FALSE. ! CASE('nav_lat') CALL Read_Ncdf_var('nav_lat',TRIM(Childcoordinates),tabtemp2D) CALL Write_Ncdf_var('nav_lat',(/'x','y'/),Child_file,tabtemp2D,'float') CALL Copy_Ncdf_att('nav_lat',TRIM(restart_trc_file),Child_file,MINVAL(tabtemp2D),MAXVAL(tabtemp2D)) DEALLOCATE(tabtemp2D) Interpolation = .FALSE. ! CASE('nav_lev') CALL Read_Ncdf_var('nav_lev',TRIM(restart_trc_file),nav_lev) CALL Write_Ncdf_var('nav_lev','z',Child_file,nav_lev,'float') CALL Copy_Ncdf_att('nav_lev',TRIM(restart_trc_file),Child_file) Interpolation = .FALSE. ! CASE('time_counter') CALL Read_Ncdf_var('time_counter',TRIM(restart_trc_file),tabtemp1D) tabtemp1D = tabtemp1D * rhot CALL Write_Ncdf_var('time_counter','time_counter',Child_file,tabtemp1D,'double') CALL Copy_Ncdf_att('time_counter',TRIM(restart_trc_file),Child_file) DEALLOCATE(tabtemp1D) Interpolation = .FALSE. ! CASE('kt','ndastp','adatrj','ntime','rdttrc1') CALL Read_Ncdf_var(TRIM(varname),TRIM(restart_trc_file),tabtemp0dreal) SELECT CASE (TRIM(varname)) CASE('rdttrc1') tabtemp0dreal = tabtemp0dreal / rhot CASE('kt') tabtemp0dreal = tabtemp0dreal * rhot END SELECT CALL Write_Ncdf_var(TRIM(varname),Child_file,tabtemp0dreal,'double') CALL Copy_Ncdf_att(varname,TRIM(restart_trc_file),Child_file) Interpolation = .FALSE. ! CASE DEFAULT IF( Get_NbDims(TRIM(varname),TRIM(restart_trc_file)) == 4 ) THEN vert_coord_name = 'nav_lev' ELSEIF( Get_NbDims(TRIM(varname),TRIM(restart_trc_file)) == 3 ) THEN vert_coord_name = '1' ENDIF posvar='T' Interpolation = .TRUE. ! END SELECT ! ! --- start interpolation --- ! IF( Interpolation ) THEN ! IF( vert_coord_name == '1' ) THEN nbvert_lev = 1 ELSE nbvert_lev = z ENDIF ALLOCATE(detected_pts(SIZE(G0%tmask,1),SIZE(G0%tmask,2),nbvert_lev)) ALLOCATE(tabvar1(x,y,1,2)) ALLOCATE(tabvar2(x,y,1,1)) ALLOCATE(tabvar3(x,y,1,1)) ALLOCATE(masksrc(x,y)) ALLOCATE(tabinterp4d(nxfin,nyfin,1,1)) ! DO n = 1,nbvert_lev ! WRITE(*,*) 'interpolate/extrapolate for vertical level = ',n ! CALL Read_Ncdf_var(varname,TRIM(restart_trc_file),tabvar1,1,n) IF(n==1) THEN ! ELSE IF (n==2) THEN tabvar2(:,:,:,1) = tabvar1(:,:,:,2) ELSE tabvar3(:,:,:,1) = tabvar2(:,:,:,1) tabvar2(:,:,:,1) = tabvar1(:,:,:,2) ENDIF ! ! IF(MAXVAL(G1%tmask(:,:,n)) == 0.) THEN tabinterp4d = 0.0 WRITE(*,*) 'only land points on level ',n ELSE CALL extrap_detect(G0,G1,detected_pts(:,:,n),n) CALL correct_field(detected_pts(:,:,n),tabvar1,tabvar2,tabvar3,G0,nav_lev,masksrc,n) ! for the following variables, you do not want to mask the values IF( TRIM(varname) == 'Silicalim' .OR. TRIM(varname) == 'Silicamax' ) THEN masksrc(:,:) = .TRUE. ENDIF SELECT CASE(TRIM(interp_type)) CASE('bilinear') CALL get_remap_matrix(G0%nav_lat,G1%nav_lat, & G0%nav_lon,G1%nav_lon,masksrc,matrix,src_add,dst_add) CALL make_remap(tabvar1(:,:,1,1),tabinterp4d(:,:,1,1),nxfin,nyfin, & matrix,src_add,dst_add) CASE('bicubic') CALL get_remap_bicub(G0%nav_lat,G1%nav_lat, & G0%nav_lon,G1%nav_lon,masksrc,matrix,src_add,dst_add) CALL make_bicubic_remap(tabvar1(:,:,1,1),masksrc,tabinterp4d(:,:,1,1),& nxfin,nyfin,matrix,src_add,dst_add) END SELECT ! IF( conservation ) THEN ! clem: it currently does not work CALL Correctforconservation(tabvar1(:,:,1,1),tabinterp4d(:,:,1,1), & G0%e1t,G0%e2t,G1%e1t,G1%e2t,nxfin,nyfin,posvar,imin-jpizoom+1,jmin-jpjzoom+1) ENDIF ENDIF IF( ALL(masksrc) ) THEN tabinterp4d(:,:,1,1) = tabinterp4d(:,:,1,1) ELSE tabinterp4d(:,:,1,1) = tabinterp4d(:,:,1,1) * G1%tmask(:,:,n) ENDIF ! dimnames(1)='x' dimnames(2)='y' IF( vert_coord_name == '1' ) THEN dimnames(3)='time_counter' ALLOCATE(tabvar3d(SIZE(tabinterp4d,1),SIZE(tabinterp4d,2),SIZE(tabinterp4d,3))) tabvar3d=tabinterp4d(:,:,:,1) CALL Write_Ncdf_var(TRIM(varname),dimnames,Child_file,tabvar3d,1,'double') DEALLOCATE(tabvar3d) ELSE dimnames(3)=vert_coord_name dimnames(4)='time_counter' CALL Write_Ncdf_var(TRIM(varname),dimnames,Child_file,tabinterp4d,1,n,'double') ENDIF ! ! CALL Copy_Ncdf_att(TRIM(varname),TRIM(restart_trc_file),Child_file) ! ! IF(ASSOCIATED(matrix)) DEALLOCATE(matrix,src_add,dst_add) ! ! END DO ! DEALLOCATE(detected_pts) DEALLOCATE(tabinterp4d) DEALLOCATE(tabvar1,tabvar2,tabvar3) DEALLOCATE(masksrc) ! ENDIF ! change the before fields prefix = varname(1:3) suffix = varname(4:LEN_TRIM(varname)) IF(rhot == 1 .OR. prefix/= 'TRB') THEN WRITE(*,*) '' WRITE(*,*) 'no time interpolation for ',TRIM(varname) ELSE ALLOCATE(trn(nxfin,nyfin,z,1),trb(nxfin,nyfin,z,1)) varname2 = 'TRN'//TRIM(suffix) now_wght = (rhot-1.)/rhot before_wght = 1./rhot ! CALL Read_Ncdf_var(TRIM(varname),Child_file,trb) CALL Read_Ncdf_var(TRIM(varname2),Child_file,trn) trb = now_wght*trn + before_wght*trb dimnames(1)='x' dimnames(2)='y' dimnames(3)='nav_lev' dimnames(4)='time_counter' CALL Write_Ncdf_var(TRIM(varname),dimnames,Child_file,trb,'double') DEALLOCATE(trn,trb) ! ENDIF END DO ! WRITE(*,*) ' ' WRITE(*,*) ' --- list of all the variables that have been interpolated --- ' WRITE(*,*) Ncdf_varname WRITE(*,*) ' ' WRITE(*,*) '******* restart file successfully created *******' WRITE(*,*) ' ' ! STOP END PROGRAM create_rstrt_trc