MODULE obs_read_sla !!====================================================================== !! *** MODULE obs_read_sla *** !! Observation diagnostics: Read the along track SLA data from !! the AVISO/CLS database or any SLA data !! from feedback files !!====================================================================== !!---------------------------------------------------------------------- !! obs_rea_sla : Driver for reading SLA data from the AVISO/CLS/feedback !!---------------------------------------------------------------------- !! * Modules used USE par_kind ! Precision variables USE in_out_manager ! I/O manager USE dom_oce ! Ocean space and time domain variables USE obs_mpp ! MPP support routines for observation diagnostics USE julian ! Julian date routines USE obs_utils ! Observation operator utility functions USE obs_grid ! Grid search USE obs_sort ! Sorting observation arrays USE obs_surf_def ! Surface observation definitions USE obs_types ! Observation type definitions USE obs_sla_io ! I/O for sla files USE netcdf ! NetCDF library IMPLICIT NONE !! * Routine accessibility PRIVATE PUBLIC obs_rea_sla ! Read the SLA observations from the AVISO/SLA database !!---------------------------------------------------------------------- !! NEMO/OPA 3.3 , NEMO Consortium (2010) !! $Id: obs_read_sla.F90 4990 2014-12-15 16:42:49Z timgraham $ !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) !!---------------------------------------------------------------------- CONTAINS SUBROUTINE obs_rea_sla( kformat, & & sladata, knumfiles, cfilenames, & & kvars, kextr, kstp, ddobsini, ddobsend, & & ldignmis, ldmod, ldobstd ) !!--------------------------------------------------------------------- !! !! *** ROUTINE obs_rea_sla *** !! !! ** Purpose : Read from file the SLA data !! !! ** Method : Depending on kformat either AVISO or !! feedback data files are read !! !! ** Action : !! !! !! History : !! ! : 2009-01 (K. Mogensen) Initial version based on old versions !!---------------------------------------------------------------------- !! * Modules used !! * Arguments INTEGER :: kformat ! Format of input data ! ! 0: Feedback ! ! 1: AVISO TYPE(obs_surf), INTENT(INOUT) :: sladata ! SLA data to be read INTEGER, INTENT(IN) :: knumfiles ! Number of files to read in CHARACTER(LEN=128), INTENT(IN) :: & & cfilenames(knumfiles) ! File names to read in INTEGER, INTENT(IN) :: kvars ! Number of variables in sladata INTEGER, INTENT(IN) :: kextr ! Number of extra fields for each var in sladata INTEGER, INTENT(IN) :: kstp ! Ocean time-step index LOGICAL, INTENT(IN) :: ldignmis ! Ignore missing files LOGICAL, INTENT(IN) :: ldmod ! Initialize model from input data LOGICAL, INTENT(INOUT), optional :: & & ldobstd ! Read observation standard deviation from fb. file REAL(KIND=dp), INTENT(IN) :: ddobsini ! Obs. ini time in YYYYMMDD.HHMMSS REAL(KIND=dp), INTENT(IN) :: ddobsend ! Obs. end time in YYYYMMDD.HHMMSS !! * Local declarations CHARACTER(LEN=11), PARAMETER :: cpname='obs_rea_sla' INTEGER :: ji INTEGER :: jj INTEGER :: jk INTEGER :: iflag INTEGER :: inobf INTEGER :: i_file_id INTEGER :: inowin INTEGER :: iyea INTEGER :: imon INTEGER :: iday INTEGER :: ihou INTEGER :: imin INTEGER :: isec INTEGER, DIMENSION(knumfiles) :: & & irefdate INTEGER :: iobsmpp INTEGER, DIMENSION(imaxmissions+1) :: & & ityp, & & itypmpp INTEGER, DIMENSION(:), ALLOCATABLE :: & & iobsi, & & iobsj, & & iproc, & & iindx, & & ifileidx, & & islaidx INTEGER :: itype REAL(wp), DIMENSION(:), ALLOCATABLE :: & & zphi, & & zlam real(wp), DIMENSION(:), ALLOCATABLE :: & & zdat LOGICAL :: llvalprof LOGICAL :: llobstd TYPE(obfbdata), POINTER, DIMENSION(:) :: & & inpfiles real(wp), DIMENSION(knumfiles) :: & & djulini, & & djulend INTEGER, DIMENSION(knumfiles) :: & & iobspos, & & iobcpos INTEGER :: iobs INTEGER :: iobstot INTEGER :: ios INTEGER :: ioserrcount CHARACTER(len=8) :: cl_refdate ! Local initialization iobs = 0 IF ( PRESENT(ldobstd) ) THEN IF (.NOT.ldmod) THEN llobstd = .false. ELSE llobstd = ldobstd ENDIF ELSE llobstd = .FALSE. ENDIF !----------------------------------------------------------------------- ! Check that the model part is just with feedback data files !----------------------------------------------------------------------- IF ( ldmod .AND. ( kformat /= 0 ) ) THEN CALL ctl_stop( 'Model can only be read from feedback data' ) RETURN ENDIF !----------------------------------------------------------------------- ! Check that the prescribed obs err is just with feedback data files !----------------------------------------------------------------------- IF ( llobstd .AND. ( kformat /= 0 ) ) THEN CALL ctl_stop( 'Observation error can only be read from feedback files' ) RETURN ENDIF !----------------------------------------------------------------------- ! Count the number of files needed and allocate the obfbdata type !----------------------------------------------------------------------- inobf = knumfiles ALLOCATE( inpfiles(inobf) ) sla_files : DO jj = 1, inobf !--------------------------------------------------------------------- ! Prints !--------------------------------------------------------------------- IF(lwp) THEN WRITE(numout,*) WRITE(numout,*) ' obs_rea_sla : Reading from file = ', & & TRIM( TRIM( cfilenames(jj) ) ) WRITE(numout,*) ' ~~~~~~~~~~~' WRITE(numout,*) ENDIF !--------------------------------------------------------------------- ! Initialization: Open file and get dimensions only !--------------------------------------------------------------------- iflag = nf90_open( TRIM( TRIM( cfilenames(jj) ) ), nf90_nowrite, & & i_file_id ) IF ( iflag /= nf90_noerr ) THEN IF ( ldignmis ) THEN inpfiles(jj)%nobs = 0 CALL ctl_warn( 'File ' // TRIM( TRIM( cfilenames(jj) ) ) // & & ' not found' ) ELSE CALL ctl_stop( 'File ' // TRIM( TRIM( cfilenames(jj) ) ) // & & ' not found' ) ENDIF ELSE !------------------------------------------------------------------ ! Close the file since it is opened in read_proffile !------------------------------------------------------------------ iflag = nf90_close( i_file_id ) !------------------------------------------------------------------ ! Read the profile file into inpfiles !------------------------------------------------------------------ IF ( kformat == 0 ) THEN CALL init_obfbdata( inpfiles(jj) ) IF(lwp) THEN WRITE(numout,*) WRITE(numout,*)'Reading from feedback file :', & & TRIM( cfilenames(jj) ) ENDIF CALL read_obfbdata( TRIM( cfilenames(jj) ), inpfiles(jj), & & ldgrid = .TRUE. ) IF ( inpfiles(jj)%nvar < 1 ) THEN CALL ctl_stop( 'Feedback format error' ) RETURN ENDIF IF ( TRIM(inpfiles(jj)%cname(1)) /= 'SLA' ) THEN CALL ctl_stop( 'Feedback format error' ) RETURN ENDIF IF ( ldmod .AND. ( ( inpfiles(jj)%nadd == 0 ) .OR.& & ( inpfiles(jj)%next == 0 ) ) ) THEN CALL ctl_stop( 'Model not in input data' ) RETURN ENDIF ELSEIF ( kformat == 1) THEN CALL read_avisofile( TRIM( cfilenames(jj) ), inpfiles(jj), & & numout, lwp, .TRUE. ) ELSE CALL ctl_stop( 'File format unknown' ) ENDIF !------------------------------------------------------------------ ! Change longitude (-180,180) !------------------------------------------------------------------ DO ji = 1, inpfiles(jj)%nobs IF ( inpfiles(jj)%plam(ji) < -180. ) & & inpfiles(jj)%plam(ji) = inpfiles(jj)%plam(ji) + 360. IF ( inpfiles(jj)%plam(ji) > 180. ) & & inpfiles(jj)%plam(ji) = inpfiles(jj)%plam(ji) - 360. END DO !------------------------------------------------------------------ ! Calculate the date (change eventually) !------------------------------------------------------------------ cl_refdate=inpfiles(jj)%cdjuldref(1:8) READ(cl_refdate,'(I8)') irefdate(jj) CALL ddatetoymdhms( ddobsini, iyea, imon, iday, ihou, imin, isec ) CALL greg2jul( isec, imin, ihou, iday, imon, iyea, djulini(jj), & & krefdate = irefdate(jj) ) CALL ddatetoymdhms( ddobsend, iyea, imon, iday, ihou, imin, isec ) CALL greg2jul( isec, imin, ihou, iday, imon, iyea, djulend(jj), & & krefdate = irefdate(jj) ) IF ( inpfiles(jj)%nobs > 0 ) THEN inpfiles(jj)%iproc = -1 inpfiles(jj)%iobsi = -1 inpfiles(jj)%iobsj = -1 ENDIF inowin = 0 DO ji = 1, inpfiles(jj)%nobs IF ( inpfiles(jj)%ioqc(ji) > 2 ) CYCLE IF ( inpfiles(jj)%ivqc(ji,1) > 2 ) CYCLE IF ( ( inpfiles(jj)%ptim(ji) > djulini(jj) ) .AND. & & ( inpfiles(jj)%ptim(ji) <= djulend(jj) ) ) THEN inowin = inowin + 1 ENDIF END DO ALLOCATE( zlam(inowin) ) ALLOCATE( zphi(inowin) ) ALLOCATE( iobsi(inowin) ) ALLOCATE( iobsj(inowin) ) ALLOCATE( iproc(inowin) ) inowin = 0 DO ji = 1, inpfiles(jj)%nobs IF ( inpfiles(jj)%ioqc(ji) > 2 ) CYCLE IF ( inpfiles(jj)%ivqc(ji,1) > 2 ) CYCLE IF ( ( inpfiles(jj)%ptim(ji) > djulini(jj) ) .AND. & & ( inpfiles(jj)%ptim(ji) <= djulend(jj) ) ) THEN inowin = inowin + 1 zlam(inowin) = inpfiles(jj)%plam(ji) zphi(inowin) = inpfiles(jj)%pphi(ji) ENDIF END DO CALL obs_grid_search( inowin, zlam, zphi, iobsi, iobsj, iproc, 'T' ) inowin = 0 DO ji = 1, inpfiles(jj)%nobs IF ( inpfiles(jj)%ioqc(ji) > 2 ) CYCLE IF ( inpfiles(jj)%ivqc(ji,1) > 2 ) CYCLE IF ( ( inpfiles(jj)%ptim(ji) > djulini(jj) ) .AND. & & ( inpfiles(jj)%ptim(ji) <= djulend(jj) ) ) THEN inowin = inowin + 1 inpfiles(jj)%iproc(ji,1) = iproc(inowin) inpfiles(jj)%iobsi(ji,1) = iobsi(inowin) inpfiles(jj)%iobsj(ji,1) = iobsj(inowin) ENDIF END DO DEALLOCATE( zlam, zphi, iobsi, iobsj, iproc ) DO ji = 1, inpfiles(jj)%nobs IF ( inpfiles(jj)%ioqc(ji) > 2 ) CYCLE IF ( inpfiles(jj)%ivqc(ji,1) > 2 ) CYCLE IF ( ( inpfiles(jj)%ptim(ji) > djulini(jj) ) .AND. & & ( inpfiles(jj)%ptim(ji) <= djulend(jj) ) ) THEN IF ( nproc == 0 ) THEN IF ( inpfiles(jj)%iproc(ji,1) > nproc ) CYCLE ELSE IF ( inpfiles(jj)%iproc(ji,1) /= nproc ) CYCLE ENDIF llvalprof = .FALSE. IF ( ( inpfiles(jj)%ivlqc(1,ji,1) == 1 ) .OR. & & ( inpfiles(jj)%ivlqc(1,ji,1) == 2 ) ) THEN iobs = iobs + 1 ENDIF ENDIF END DO ENDIF END DO sla_files IF (llobstd) THEN DO jj = 1, inobf iobspos(jj) = -1 iobcpos(jj) = -1 DO ji = 1,inpfiles(jj)%nadd IF ( TRIM(inpfiles(jj)%caddname(ji)) == 'OSTD' ) THEN iobspos(jj)=ji ENDIF IF ( TRIM(inpfiles(jj)%caddname(ji)) == 'OCNT' ) THEN iobcpos(jj)=ji ENDIF END DO END DO llobstd = ( ( MINVAL(iobspos) > 0 ) .AND. ( MINVAL(iobcpos) > 0 ) ) IF (llobstd) THEN IF (lwp) WRITE(numout,*)'SLA superobs information present.' ELSE IF (lwp) WRITE(numout,*)'SLA superobs information not present.' ENDIF ENDIF !----------------------------------------------------------------------- ! Get the time ordered indices of the input data !----------------------------------------------------------------------- !--------------------------------------------------------------------- ! Loop over input data files to count total number of profiles !--------------------------------------------------------------------- iobstot = 0 DO jj = 1, inobf DO ji = 1, inpfiles(jj)%nobs IF ( inpfiles(jj)%ioqc(ji) > 2 ) CYCLE IF ( inpfiles(jj)%ivqc(ji,1) > 2 ) CYCLE IF ( ( inpfiles(jj)%ptim(ji) > djulini(jj) ) .AND. & & ( inpfiles(jj)%ptim(ji) <= djulend(jj) ) ) THEN iobstot = iobstot + 1 ENDIF END DO END DO ALLOCATE( iindx(iobstot), ifileidx(iobstot), & & islaidx(iobstot), zdat(iobstot) ) jk = 0 DO jj = 1, inobf DO ji = 1, inpfiles(jj)%nobs IF ( inpfiles(jj)%ioqc(ji) > 2 ) CYCLE IF ( inpfiles(jj)%ivqc(ji,1) > 2 ) CYCLE IF ( ( inpfiles(jj)%ptim(ji) > djulini(jj) ) .AND. & & ( inpfiles(jj)%ptim(ji) <= djulend(jj) ) ) THEN jk = jk + 1 ifileidx(jk) = jj islaidx(jk) = ji zdat(jk) = inpfiles(jj)%ptim(ji) ENDIF END DO END DO CALL sort_dp_indx( iobstot, & & zdat, & & iindx ) CALL obs_surf_alloc( sladata, iobs, kvars, kextr, kstp, jpi, jpj ) ! * Read obs/positions, QC, all variable and assign to sladata iobs = 0 ityp (:) = 0 itypmpp(:) = 0 ioserrcount = 0 DO jk = 1, iobstot jj = ifileidx(iindx(jk)) ji = islaidx(iindx(jk)) IF ( inpfiles(jj)%ioqc(ji) > 2 ) CYCLE IF ( inpfiles(jj)%ivqc(ji,1) > 2 ) CYCLE IF ( ( inpfiles(jj)%ptim(ji) > djulini(jj) ) .AND. & & ( inpfiles(jj)%ptim(ji) <= djulend(jj) ) ) THEN IF ( nproc == 0 ) THEN IF ( inpfiles(jj)%iproc(ji,1) > nproc ) CYCLE ELSE IF ( inpfiles(jj)%iproc(ji,1) /= nproc ) CYCLE ENDIF ! Set observation information IF ( ( inpfiles(jj)%ivlqc(1,ji,1) == 1 ) .OR. & & ( inpfiles(jj)%ivlqc(1,ji,1) == 2 ) ) THEN iobs = iobs + 1 CALL jul2greg( isec, & & imin, & & ihou, & & iday, & & imon, & & iyea, & & inpfiles(jj)%ptim(ji), & & irefdate(jj) ) ! SLA time coordinates sladata%nyea(iobs) = iyea sladata%nmon(iobs) = imon sladata%nday(iobs) = iday sladata%nhou(iobs) = ihou sladata%nmin(iobs) = imin ! SLA space coordinates sladata%rlam(iobs) = inpfiles(jj)%plam(ji) sladata%rphi(iobs) = inpfiles(jj)%pphi(ji) ! Coordinate search parameters sladata%mi (iobs) = inpfiles(jj)%iobsi(ji,1) sladata%mj (iobs) = inpfiles(jj)%iobsj(ji,1) ! Instrument type READ( inpfiles(jj)%cdtyp(ji), '(I4)', IOSTAT = ios, ERR = 901 ) itype 901 IF ( ios /= 0 ) THEN IF (ioserrcount == 0) CALL ctl_warn ( 'Problem converting an instrument type to integer. Setting type to zero' ) ioserrcount = ioserrcount + 1 itype = 0 ENDIF sladata%ntyp(iobs) = itype ityp(itype+1) = ityp(itype+1) + 1 ! Identifier sladata%cwmo(iobs) = inpfiles(jj)%cdwmo(ji) ! Bookkeeping data to match observations sladata%nsidx(iobs) = iobs sladata%nsfil(iobs) = iindx(jk) ! QC flags sladata%nqc(iobs) = inpfiles(jj)%ivqc(ji,1) ! Observed value sladata%robs(iobs,1) = inpfiles(jj)%pob(1,ji,1) ! Model and MDT is set to fbrmdi unless read from file IF ( ldmod ) THEN sladata%rmod(iobs,1) = inpfiles(jj)%padd(1,ji,1,1) sladata%rext(iobs,1) = inpfiles(jj)%padd(1,ji,2,1) sladata%rext(iobs,2) = inpfiles(jj)%pext(1,ji,1) IF (llobstd) THEN sladata%rext(iobs,3) = & & inpfiles(jj)%padd(1,ji,iobspos(jj),1) sladata%rext(iobs,4) = & & inpfiles(jj)%padd(1,ji,iobcpos(jj),1) ENDIF ELSE sladata%rmod(iobs,1) = fbrmdi sladata%rext(iobs,:) = fbrmdi ENDIF ENDIF ENDIF END DO !----------------------------------------------------------------------- ! Sum up over processors !----------------------------------------------------------------------- CALL obs_mpp_sum_integer( iobs, iobsmpp ) CALL obs_mpp_sum_integers( ityp, itypmpp, imaxmissions + 1 ) !----------------------------------------------------------------------- ! Output number of observations. !----------------------------------------------------------------------- IF (lwp) THEN WRITE(numout,*) WRITE(numout,'(1X,A)')'Altimeter satellites' WRITE(numout,'(1X,A)')'--------------------' DO jj = 1,8 IF ( itypmpp(jj) > 0 ) THEN WRITE(numout,'(1X,A38,A2,I10)')calttyp(jj-1),'= ',itypmpp(jj) ENDIF END DO WRITE(numout,'(1X,A50)')'--------------------------------------------------' WRITE(numout,'(1X,A40,I10)')'Total = ',iobsmpp WRITE(numout,*) ENDIF !----------------------------------------------------------------------- ! Deallocate temporary data !----------------------------------------------------------------------- DEALLOCATE( ifileidx, islaidx, zdat ) !----------------------------------------------------------------------- ! Deallocate input data !----------------------------------------------------------------------- DO jj = 1, inobf CALL dealloc_obfbdata( inpfiles(jj) ) END DO DEALLOCATE( inpfiles ) !----------------------------------------------------------------------- ! Reset ldobstd if the data is present !----------------------------------------------------------------------- IF ( PRESENT(ldobstd) ) THEN ldobstd = llobstd ENDIF END SUBROUTINE obs_rea_sla END MODULE obs_read_sla