MODULE diaobs
!!======================================================================
!! *** MODULE diaobs ***
!! Observation diagnostics: Computation of the misfit between data and
!! their model equivalent
!!======================================================================
!! History : 1.0 ! 2006-03 (K. Mogensen) Original code
!! - ! 2006-05 (K. Mogensen, A. Weaver) Reformatted
!! - ! 2006-10 (A. Weaver) Cleaning and add controls
!! - ! 2007-03 (K. Mogensen) General handling of profiles
!! - ! 2007-04 (G. Smith) Generalized surface operators
!! 2.0 ! 2008-10 (M. Valdivieso) obs operator for velocity profiles
!! 3.4 ! 2014-08 (J. While) observation operator for profiles in all vertical coordinates
!! - ! Incorporated SST bias correction
!! 3.6 ! 2015-02 (M. Martin) Simplification of namelist and code
!! - ! 2015-08 (M. Martin) Combined surface/profile routines.
!! 4.0 ! 2017-11 (G. Madec) style only
!!----------------------------------------------------------------------
!!----------------------------------------------------------------------
!! dia_obs_init : Reading and prepare observations
!! dia_obs : Compute model equivalent to observations
!! dia_obs_wri : Write observational diagnostics
!! calc_date : Compute the date of timestep in YYYYMMDD.HHMMSS format
!! ini_date : Compute the initial date YYYYMMDD.HHMMSS
!! fin_date : Compute the final date YYYYMMDD.HHMMSS
!!----------------------------------------------------------------------
USE par_kind ! Precision variables
USE in_out_manager ! I/O manager
USE par_oce ! ocean parameter
USE dom_oce ! Ocean space and time domain variables
USE sbc_oce ! Sea-ice fraction
!
USE obs_read_prof ! Reading and allocation of profile obs
USE obs_read_surf ! Reading and allocation of surface obs
USE obs_sstbias ! Bias correction routine for SST
USE obs_readmdt ! Reading and allocation of MDT for SLA.
USE obs_prep ! Preparation of obs. (grid search etc).
USE obs_oper ! Observation operators
USE obs_write ! Writing of observation related diagnostics
USE obs_grid ! Grid searching
USE obs_read_altbias ! Bias treatment for altimeter
USE obs_profiles_def ! Profile data definitions
USE obs_surf_def ! Surface data definitions
USE obs_types ! Definitions for observation types
!
USE mpp_map ! MPP mapping
USE lib_mpp ! For ctl_warn/stop
IMPLICIT NONE
PRIVATE
PUBLIC dia_obs_init ! Initialize and read observations
PUBLIC dia_obs ! Compute model equivalent to observations
PUBLIC dia_obs_wri ! Write model equivalent to observations
PUBLIC dia_obs_dealloc ! Deallocate dia_obs data
PUBLIC calc_date ! Compute the date of a timestep
LOGICAL, PUBLIC :: ln_diaobs !: Logical switch for the obs operator
LOGICAL :: ln_sstnight ! Logical switch for night mean SST obs
LOGICAL :: ln_default_fp_indegs ! T=> Default obs footprint size specified in degrees, F=> in metres
LOGICAL :: ln_sla_fp_indegs ! T=> SLA obs footprint size specified in degrees, F=> in metres
LOGICAL :: ln_sst_fp_indegs ! T=> SST obs footprint size specified in degrees, F=> in metres
LOGICAL :: ln_sss_fp_indegs ! T=> SSS obs footprint size specified in degrees, F=> in metres
LOGICAL :: ln_sic_fp_indegs ! T=> sea-ice obs footprint size specified in degrees, F=> in metres
REAL(wp) :: rn_default_avglamscl ! E/W diameter of SLA observation footprint (metres)
REAL(wp) :: rn_default_avgphiscl ! N/S diameter of SLA observation footprint (metre
REAL(wp) :: rn_sla_avglamscl ! E/W diameter of SLA observation footprint (metres)
REAL(wp) :: rn_sla_avgphiscl ! N/S diameter of SLA observation footprint (metres)
REAL(wp) :: rn_sst_avglamscl ! E/W diameter of SST observation footprint (metres)
REAL(wp) :: rn_sst_avgphiscl ! N/S diameter of SST observation footprint (metres)
REAL(wp) :: rn_sss_avglamscl ! E/W diameter of SSS observation footprint (metres)
REAL(wp) :: rn_sss_avgphiscl ! N/S diameter of SSS observation footprint (metres)
REAL(wp) :: rn_sic_avglamscl ! E/W diameter of sea-ice observation footprint (metres)
REAL(wp) :: rn_sic_avgphiscl ! N/S diameter of sea-ice observation footprint (metres)
INTEGER :: nn_1dint ! Vertical interpolation method
INTEGER :: nn_2dint_default ! Default horizontal interpolation method
INTEGER :: nn_2dint_sla ! SLA horizontal interpolation method
INTEGER :: nn_2dint_sst ! SST horizontal interpolation method
INTEGER :: nn_2dint_sss ! SSS horizontal interpolation method
INTEGER :: nn_2dint_sic ! Seaice horizontal interpolation method
INTEGER, DIMENSION(imaxavtypes) :: nn_profdavtypes ! Profile data types representing a daily average
INTEGER :: nproftypes ! Number of profile obs types
INTEGER :: nsurftypes ! Number of surface obs types
INTEGER , DIMENSION(:), ALLOCATABLE :: nvarsprof, nvarssurf ! Number of profile & surface variables
INTEGER , DIMENSION(:), ALLOCATABLE :: nextrprof, nextrsurf ! Number of profile & surface extra variables
INTEGER , DIMENSION(:), ALLOCATABLE :: n2dintsurf ! Interpolation option for surface variables
REAL(wp), DIMENSION(:), ALLOCATABLE :: zavglamscl, zavgphiscl ! E/W & N/S diameter of averaging footprint for surface variables
LOGICAL , DIMENSION(:), ALLOCATABLE :: lfpindegs ! T=> surface obs footprint size specified in degrees, F=> in metres
LOGICAL , DIMENSION(:), ALLOCATABLE :: llnightav ! Logical for calculating night-time averages
TYPE(obs_surf), PUBLIC, POINTER, DIMENSION(:) :: surfdata !: Initial surface data
TYPE(obs_surf), PUBLIC, POINTER, DIMENSION(:) :: surfdataqc !: Surface data after quality control
TYPE(obs_prof), PUBLIC, POINTER, DIMENSION(:) :: profdata !: Initial profile data
TYPE(obs_prof), PUBLIC, POINTER, DIMENSION(:) :: profdataqc !: Profile data after quality control
CHARACTER(len=lca), PUBLIC, DIMENSION(:), ALLOCATABLE :: cobstypesprof, cobstypessurf !: Profile & surface obs types
# include "domzgr_substitute.h90"
!!----------------------------------------------------------------------
!! NEMO/OCE 4.0 , NEMO Consortium (2018)
!! $Id: diaobs.F90 15077 2021-07-03 10:16:35Z jchanut $
!! Software governed by the CeCILL license (see ./LICENSE)
!!----------------------------------------------------------------------
CONTAINS
SUBROUTINE dia_obs_init( Kmm )
!!----------------------------------------------------------------------
!! *** ROUTINE dia_obs_init ***
!!
!! ** Purpose : Initialize and read observations
!!
!! ** Method : Read the namelist and call reading routines
!!
!! ** Action : Read the namelist and call reading routines
!!
!!----------------------------------------------------------------------
INTEGER, INTENT(in) :: Kmm ! ocean time level indices
INTEGER, PARAMETER :: jpmaxnfiles = 1000 ! Maximum number of files for each obs type
INTEGER, DIMENSION(:), ALLOCATABLE :: ifilesprof, ifilessurf ! Number of profile & surface files
INTEGER :: ios ! Local integer output status for namelist read
INTEGER :: jtype ! Counter for obs types
INTEGER :: jvar ! Counter for variables
INTEGER :: jfile ! Counter for files
INTEGER :: jnumsstbias ! Number of SST bias files to read and apply
INTEGER :: n2dint_type ! Local version of nn_2dint*
!
CHARACTER(len=128), DIMENSION(jpmaxnfiles) :: &
& cn_profbfiles, & ! T/S profile input filenames
& cn_sstfbfiles, & ! Sea surface temperature input filenames
& cn_sssfbfiles, & ! Sea surface salinity input filenames
& cn_slafbfiles, & ! Sea level anomaly input filenames
& cn_sicfbfiles, & ! Seaice concentration input filenames
& cn_velfbfiles, & ! Velocity profile input filenames
& cn_sstbiasfiles ! SST bias input filenames
CHARACTER(LEN=128) :: &
& cn_altbiasfile ! Altimeter bias input filename
CHARACTER(len=128), DIMENSION(:,:), ALLOCATABLE :: &
& clproffiles, & ! Profile filenames
& clsurffiles ! Surface filenames
CHARACTER(len=8), DIMENSION(:), ALLOCATABLE :: &
& clvars ! Expected variable names
!
LOGICAL :: ln_t3d ! Logical switch for temperature profiles
LOGICAL :: ln_s3d ! Logical switch for salinity profiles
LOGICAL :: ln_sla ! Logical switch for sea level anomalies
LOGICAL :: ln_sst ! Logical switch for sea surface temperature
LOGICAL :: ln_sss ! Logical switch for sea surface salinity
LOGICAL :: ln_sic ! Logical switch for sea ice concentration
LOGICAL :: ln_vel3d ! Logical switch for velocity (u,v) obs
LOGICAL :: ln_nea ! Logical switch to remove obs near land
LOGICAL :: ln_altbias ! Logical switch for altimeter bias
LOGICAL :: ln_sstbias ! Logical switch for bias corection of SST
LOGICAL :: ln_ignmis ! Logical switch for ignoring missing files
LOGICAL :: ln_s_at_t ! Logical switch to compute model S at T obs
LOGICAL :: ln_bound_reject ! Logical to remove obs near boundaries in LAMs.
LOGICAL :: ltype_fp_indegs ! Local version of ln_*_fp_indegs
LOGICAL :: ltype_night ! Local version of ln_sstnight (false for other variables)
LOGICAL, DIMENSION(:), ALLOCATABLE :: llvar ! Logical for profile variable read
LOGICAL, DIMENSION(jpmaxnfiles) :: lmask ! Used for finding number of sstbias files
!
REAL(wp) :: rn_dobsini ! Obs window start date YYYYMMDD.HHMMSS
REAL(wp) :: rn_dobsend ! Obs window end date YYYYMMDD.HHMMSS
REAL(wp) :: ztype_avglamscl ! Local version of rn_*_avglamscl
REAL(wp) :: ztype_avgphiscl ! Local version of rn_*_avgphiscl
REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: zglam ! Model longitudes for profile variables
REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: zgphi ! Model latitudes for profile variables
REAL(wp), DIMENSION(:,:,:,:), ALLOCATABLE :: zmask ! Model land/sea mask associated with variables
!!
NAMELIST/namobs/ln_diaobs, ln_t3d, ln_s3d, ln_sla, &
& ln_sst, ln_sic, ln_sss, ln_vel3d, &
& ln_altbias, ln_sstbias, ln_nea, &
& ln_grid_global, ln_grid_search_lookup, &
& ln_ignmis, ln_s_at_t, ln_bound_reject, &
& ln_sstnight, ln_default_fp_indegs, &
& ln_sla_fp_indegs, ln_sst_fp_indegs, &
& ln_sss_fp_indegs, ln_sic_fp_indegs, &
& cn_profbfiles, cn_slafbfiles, &
& cn_sstfbfiles, cn_sicfbfiles, &
& cn_velfbfiles, cn_sssfbfiles, &
& cn_sstbiasfiles, cn_altbiasfile, &
& cn_gridsearchfile, rn_gridsearchres, &
& rn_dobsini, rn_dobsend, &
& rn_default_avglamscl, rn_default_avgphiscl, &
& rn_sla_avglamscl, rn_sla_avgphiscl, &
& rn_sst_avglamscl, rn_sst_avgphiscl, &
& rn_sss_avglamscl, rn_sss_avgphiscl, &
& rn_sic_avglamscl, rn_sic_avgphiscl, &
& nn_1dint, nn_2dint_default, &
& nn_2dint_sla, nn_2dint_sst, &
& nn_2dint_sss, nn_2dint_sic, &
& nn_msshc, rn_mdtcorr, rn_mdtcutoff, &
& nn_profdavtypes
!-----------------------------------------------------------------------
!-----------------------------------------------------------------------
! Read namelist parameters
!-----------------------------------------------------------------------
! Some namelist arrays need initialising
cn_profbfiles (:) = ''
cn_slafbfiles (:) = ''
cn_sstfbfiles (:) = ''
cn_sicfbfiles (:) = ''
cn_velfbfiles (:) = ''
cn_sssfbfiles (:) = ''
cn_sstbiasfiles(:) = ''
nn_profdavtypes(:) = -1
CALL ini_date( rn_dobsini )
CALL fin_date( rn_dobsend )
! Read namelist namobs : control observation diagnostics
READ ( numnam_ref, namobs, IOSTAT = ios, ERR = 901)
901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namobs in reference namelist' )
READ ( numnam_cfg, namobs, IOSTAT = ios, ERR = 902 )
902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namobs in configuration namelist' )
IF(lwm) WRITE ( numond, namobs )
IF( .NOT.ln_diaobs ) THEN
IF(lwp) WRITE(numout,*)
IF(lwp) WRITE(numout,*) 'dia_obs_init : NO Observation diagnostic used'
IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~'
RETURN
ENDIF
IF(lwp) THEN
WRITE(numout,*)
WRITE(numout,*) 'dia_obs_init : Observation diagnostic initialization'
WRITE(numout,*) '~~~~~~~~~~~~'
WRITE(numout,*) ' Namelist namobs : set observation diagnostic parameters'
WRITE(numout,*) ' Logical switch for T profile observations ln_t3d = ', ln_t3d
WRITE(numout,*) ' Logical switch for S profile observations ln_s3d = ', ln_s3d
WRITE(numout,*) ' Logical switch for SLA observations ln_sla = ', ln_sla
WRITE(numout,*) ' Logical switch for SST observations ln_sst = ', ln_sst
WRITE(numout,*) ' Logical switch for Sea Ice observations ln_sic = ', ln_sic
WRITE(numout,*) ' Logical switch for velocity observations ln_vel3d = ', ln_vel3d
WRITE(numout,*) ' Logical switch for SSS observations ln_sss = ', ln_sss
WRITE(numout,*) ' Global distribution of observations ln_grid_global = ', ln_grid_global
WRITE(numout,*) ' Logical switch for obs grid search lookup ln_grid_search_lookup = ', ln_grid_search_lookup
IF (ln_grid_search_lookup) &
WRITE(numout,*) ' Grid search lookup file header cn_gridsearchfile = ', cn_gridsearchfile
WRITE(numout,*) ' Initial date in window YYYYMMDD.HHMMSS rn_dobsini = ', rn_dobsini
WRITE(numout,*) ' Final date in window YYYYMMDD.HHMMSS rn_dobsend = ', rn_dobsend
WRITE(numout,*) ' Type of vertical interpolation method nn_1dint = ', nn_1dint
WRITE(numout,*) ' Default horizontal interpolation method nn_2dint_default = ', nn_2dint_default
WRITE(numout,*) ' Type of horizontal interpolation method for SLA nn_2dint_sla = ', nn_2dint_sla
WRITE(numout,*) ' Type of horizontal interpolation method for SST nn_2dint_sst = ', nn_2dint_sst
WRITE(numout,*) ' Type of horizontal interpolation method for SSS nn_2dint_sss = ', nn_2dint_sss
WRITE(numout,*) ' Type of horizontal interpolation method for SIC nn_2dint_sic = ', nn_2dint_sic
WRITE(numout,*) ' Default E/W diameter of obs footprint rn_default_avglamscl = ', rn_default_avglamscl
WRITE(numout,*) ' Default N/S diameter of obs footprint rn_default_avgphiscl = ', rn_default_avgphiscl
WRITE(numout,*) ' Default obs footprint in deg [T] or m [F] ln_default_fp_indegs = ', ln_default_fp_indegs
WRITE(numout,*) ' SLA E/W diameter of obs footprint rn_sla_avglamscl = ', rn_sla_avglamscl
WRITE(numout,*) ' SLA N/S diameter of obs footprint rn_sla_avgphiscl = ', rn_sla_avgphiscl
WRITE(numout,*) ' SLA obs footprint in deg [T] or m [F] ln_sla_fp_indegs = ', ln_sla_fp_indegs
WRITE(numout,*) ' SST E/W diameter of obs footprint rn_sst_avglamscl = ', rn_sst_avglamscl
WRITE(numout,*) ' SST N/S diameter of obs footprint rn_sst_avgphiscl = ', rn_sst_avgphiscl
WRITE(numout,*) ' SST obs footprint in deg [T] or m [F] ln_sst_fp_indegs = ', ln_sst_fp_indegs
WRITE(numout,*) ' SIC E/W diameter of obs footprint rn_sic_avglamscl = ', rn_sic_avglamscl
WRITE(numout,*) ' SIC N/S diameter of obs footprint rn_sic_avgphiscl = ', rn_sic_avgphiscl
WRITE(numout,*) ' SIC obs footprint in deg [T] or m [F] ln_sic_fp_indegs = ', ln_sic_fp_indegs
WRITE(numout,*) ' Rejection of observations near land switch ln_nea = ', ln_nea
WRITE(numout,*) ' Rejection of obs near open bdys ln_bound_reject = ', ln_bound_reject
WRITE(numout,*) ' MSSH correction scheme nn_msshc = ', nn_msshc
WRITE(numout,*) ' MDT correction rn_mdtcorr = ', rn_mdtcorr
WRITE(numout,*) ' MDT cutoff for computed correction rn_mdtcutoff = ', rn_mdtcutoff
WRITE(numout,*) ' Logical switch for alt bias ln_altbias = ', ln_altbias
WRITE(numout,*) ' Logical switch for sst bias ln_sstbias = ', ln_sstbias
WRITE(numout,*) ' Logical switch for ignoring missing files ln_ignmis = ', ln_ignmis
WRITE(numout,*) ' Daily average types nn_profdavtypes = ', nn_profdavtypes
WRITE(numout,*) ' Logical switch for night-time SST obs ln_sstnight = ', ln_sstnight
ENDIF
!-----------------------------------------------------------------------
! Set up list of observation types to be used
! and the files associated with each type
!-----------------------------------------------------------------------
nproftypes = COUNT( (/ln_t3d .OR. ln_s3d, ln_vel3d /) )
nsurftypes = COUNT( (/ln_sla, ln_sst, ln_sic, ln_sss /) )
IF( ln_sstbias ) THEN
lmask(:) = .FALSE.
WHERE( cn_sstbiasfiles(:) /= '' ) lmask(:) = .TRUE.
jnumsstbias = COUNT(lmask)
lmask(:) = .FALSE.
ENDIF
IF( nproftypes == 0 .AND. nsurftypes == 0 ) THEN
CALL ctl_warn( 'dia_obs_init: ln_diaobs is set to true, but all obs operator logical flags', &
& ' (ln_t3d, ln_s3d, ln_sla, ln_sst, ln_sic, ln_vel3d)', &
& ' are set to .FALSE. so turning off calls to dia_obs' )
ln_diaobs = .FALSE.
RETURN
ENDIF
IF( nproftypes > 0 ) THEN
!
ALLOCATE( cobstypesprof(nproftypes) )
ALLOCATE( ifilesprof (nproftypes) )
ALLOCATE( clproffiles (nproftypes,jpmaxnfiles) )
!
jtype = 0
IF( ln_t3d .OR. ln_s3d ) THEN
jtype = jtype + 1
cobstypesprof(jtype) = 'prof'
clproffiles(jtype,:) = cn_profbfiles
ENDIF
IF( ln_vel3d ) THEN
jtype = jtype + 1
cobstypesprof(jtype) = 'vel'
clproffiles(jtype,:) = cn_velfbfiles
ENDIF
!
CALL obs_settypefiles( nproftypes, jpmaxnfiles, ifilesprof, cobstypesprof, clproffiles )
!
ENDIF
IF( nsurftypes > 0 ) THEN
!
ALLOCATE( cobstypessurf(nsurftypes) )
ALLOCATE( ifilessurf (nsurftypes) )
ALLOCATE( clsurffiles (nsurftypes,jpmaxnfiles) )
ALLOCATE( n2dintsurf (nsurftypes) )
ALLOCATE( zavglamscl (nsurftypes) )
ALLOCATE( zavgphiscl (nsurftypes) )
ALLOCATE( lfpindegs (nsurftypes) )
ALLOCATE( llnightav (nsurftypes) )
!
jtype = 0
IF( ln_sla ) THEN
jtype = jtype + 1
cobstypessurf(jtype) = 'sla'
clsurffiles(jtype,:) = cn_slafbfiles
ENDIF
IF( ln_sst ) THEN
jtype = jtype + 1
cobstypessurf(jtype) = 'sst'
clsurffiles(jtype,:) = cn_sstfbfiles
ENDIF
#if defined key_si3 || defined key_cice
IF( ln_sic ) THEN
jtype = jtype + 1
cobstypessurf(jtype) = 'sic'
clsurffiles(jtype,:) = cn_sicfbfiles
ENDIF
#endif
IF( ln_sss ) THEN
jtype = jtype + 1
cobstypessurf(jtype) = 'sss'
clsurffiles(jtype,:) = cn_sssfbfiles
ENDIF
!
CALL obs_settypefiles( nsurftypes, jpmaxnfiles, ifilessurf, cobstypessurf, clsurffiles )
DO jtype = 1, nsurftypes
IF ( TRIM(cobstypessurf(jtype)) == 'sla' ) THEN
IF ( nn_2dint_sla == -1 ) THEN
n2dint_type = nn_2dint_default
ELSE
n2dint_type = nn_2dint_sla
ENDIF
ztype_avglamscl = rn_sla_avglamscl
ztype_avgphiscl = rn_sla_avgphiscl
ltype_fp_indegs = ln_sla_fp_indegs
ltype_night = .FALSE.
ELSE IF ( TRIM(cobstypessurf(jtype)) == 'sst' ) THEN
IF ( nn_2dint_sst == -1 ) THEN
n2dint_type = nn_2dint_default
ELSE
n2dint_type = nn_2dint_sst
ENDIF
ztype_avglamscl = rn_sst_avglamscl
ztype_avgphiscl = rn_sst_avgphiscl
ltype_fp_indegs = ln_sst_fp_indegs
ltype_night = ln_sstnight
ELSE IF ( TRIM(cobstypessurf(jtype)) == 'sic' ) THEN
IF ( nn_2dint_sic == -1 ) THEN
n2dint_type = nn_2dint_default
ELSE
n2dint_type = nn_2dint_sic
ENDIF
ztype_avglamscl = rn_sic_avglamscl
ztype_avgphiscl = rn_sic_avgphiscl
ltype_fp_indegs = ln_sic_fp_indegs
ltype_night = .FALSE.
ELSE IF ( TRIM(cobstypessurf(jtype)) == 'sss' ) THEN
IF ( nn_2dint_sss == -1 ) THEN
n2dint_type = nn_2dint_default
ELSE
n2dint_type = nn_2dint_sss
ENDIF
ztype_avglamscl = rn_sss_avglamscl
ztype_avgphiscl = rn_sss_avgphiscl
ltype_fp_indegs = ln_sss_fp_indegs
ltype_night = .FALSE.
ELSE
n2dint_type = nn_2dint_default
ztype_avglamscl = rn_default_avglamscl
ztype_avgphiscl = rn_default_avgphiscl
ltype_fp_indegs = ln_default_fp_indegs
ltype_night = .FALSE.
ENDIF
CALL obs_setinterpopts( nsurftypes, jtype, cobstypessurf(jtype), &
& nn_2dint_default, n2dint_type, &
& ztype_avglamscl, ztype_avgphiscl, &
& ltype_fp_indegs, ltype_night, &
& n2dintsurf, zavglamscl, zavgphiscl, &
& lfpindegs, llnightav )
END DO
!
ENDIF
!-----------------------------------------------------------------------
! Obs operator parameter checking and initialisations
!-----------------------------------------------------------------------
!
IF( ln_vel3d .AND. .NOT.ln_grid_global ) THEN
CALL ctl_stop( 'Velocity data only works with ln_grid_global=.true.' )
RETURN
ENDIF
!
IF( ln_grid_global ) THEN
IF( jpnij < jpni * jpnj ) THEN
CALL ctl_stop( 'STOP', 'dia_obs_init: ln_grid_global=T is not available when land subdomains are suppressed' )
END IF
CALL ctl_warn( 'dia_obs_init: ln_grid_global=T may cause memory issues when used with a large number of processors' )
ENDIF
!
IF( nn_1dint < 0 .OR. nn_1dint > 1 ) THEN
CALL ctl_stop('dia_obs_init: Choice of vertical (1D) interpolation method is not available')
ENDIF
!
IF( nn_2dint_default < 0 .OR. nn_2dint_default > 6 ) THEN
CALL ctl_stop('dia_obs_init: Choice of default horizontal (2D) interpolation method is not available')
ENDIF
!
CALL obs_typ_init
IF( ln_grid_global ) CALL mppmap_init
!
CALL obs_grid_setup( )
!-----------------------------------------------------------------------
! Depending on switches read the various observation types
!-----------------------------------------------------------------------
!
IF( nproftypes > 0 ) THEN
!
ALLOCATE( profdata (nproftypes) , nvarsprof (nproftypes) )
ALLOCATE( profdataqc(nproftypes) , nextrprof (nproftypes) )
!
DO jtype = 1, nproftypes
!
IF ( TRIM(cobstypesprof(jtype)) == 'prof' ) THEN
nvarsprof(jtype) = 2
nextrprof(jtype) = 1
ALLOCATE( llvar (nvarsprof(jtype)) )
ALLOCATE( clvars(nvarsprof(jtype)) )
ALLOCATE( zglam(jpi, jpj, nvarsprof(jtype)) )
ALLOCATE( zgphi(jpi, jpj, nvarsprof(jtype)) )
ALLOCATE( zmask(jpi, jpj, jpk, nvarsprof(jtype)) )
llvar(1) = ln_t3d
llvar(2) = ln_s3d
clvars(1) = 'POTM'
clvars(2) = 'PSAL'
zglam(:,:,1) = glamt(:,:)
zglam(:,:,2) = glamt(:,:)
zgphi(:,:,1) = gphit(:,:)
zgphi(:,:,2) = gphit(:,:)
zmask(:,:,:,1) = tmask(:,:,:)
zmask(:,:,:,2) = tmask(:,:,:)
ELSE IF ( TRIM(cobstypesprof(jtype)) == 'vel' ) THEN
nvarsprof(jtype) = 2
nextrprof(jtype) = 2
ALLOCATE( llvar (nvarsprof(jtype)) )
ALLOCATE( clvars(nvarsprof(jtype)) )
ALLOCATE( zglam(jpi, jpj, nvarsprof(jtype)) )
ALLOCATE( zgphi(jpi, jpj, nvarsprof(jtype)) )
ALLOCATE( zmask(jpi, jpj, jpk, nvarsprof(jtype)) )
llvar(1) = ln_vel3d
llvar(2) = ln_vel3d
clvars(1) = 'UVEL'
clvars(2) = 'VVEL'
zglam(:,:,1) = glamu(:,:)
zglam(:,:,2) = glamv(:,:)
zgphi(:,:,1) = gphiu(:,:)
zgphi(:,:,2) = gphiv(:,:)
zmask(:,:,:,1) = umask(:,:,:)
zmask(:,:,:,2) = vmask(:,:,:)
ELSE
nvarsprof(jtype) = 1
nextrprof(jtype) = 0
ALLOCATE( llvar (nvarsprof(jtype)) )
ALLOCATE( clvars(nvarsprof(jtype)) )
ALLOCATE( zglam(jpi, jpj, nvarsprof(jtype)) )
ALLOCATE( zgphi(jpi, jpj, nvarsprof(jtype)) )
ALLOCATE( zmask(jpi, jpj, jpk, nvarsprof(jtype)) )
llvar(1) = .TRUE.
zglam(:,:,1) = glamt(:,:)
zgphi(:,:,1) = gphit(:,:)
zmask(:,:,:,1) = tmask(:,:,:)
ENDIF
!
! Read in profile or profile obs types
CALL obs_rea_prof( profdata(jtype), ifilesprof(jtype), &
& clproffiles(jtype,1:ifilesprof(jtype)), &
& nvarsprof(jtype), nextrprof(jtype), nitend-nit000+2, &
& rn_dobsini, rn_dobsend, llvar, &
& ln_ignmis, ln_s_at_t, .FALSE., clvars, &
& kdailyavtypes = nn_profdavtypes )
!
DO jvar = 1, nvarsprof(jtype)
CALL obs_prof_staend( profdata(jtype), jvar )
END DO
!
CALL obs_pre_prof( profdata(jtype), profdataqc(jtype), &
& llvar, &
& jpi, jpj, jpk, &
& zmask, zglam, zgphi, &
& ln_nea, ln_bound_reject, Kmm, &
& kdailyavtypes = nn_profdavtypes )
!
DEALLOCATE( llvar, clvars, zglam, zgphi, zmask )
!
END DO
!
DEALLOCATE( ifilesprof, clproffiles )
!
ENDIF
!
IF( nsurftypes > 0 ) THEN
!
ALLOCATE( surfdata (nsurftypes) , nvarssurf(nsurftypes) )
ALLOCATE( surfdataqc(nsurftypes) , nextrsurf(nsurftypes) )
!
DO jtype = 1, nsurftypes
!
nvarssurf(jtype) = 1
nextrsurf(jtype) = 0
llnightav(jtype) = .FALSE.
IF( TRIM(cobstypessurf(jtype)) == 'sla' ) nextrsurf(jtype) = 2
IF( TRIM(cobstypessurf(jtype)) == 'sst' ) llnightav(jtype) = ln_sstnight
!
ALLOCATE( clvars( nvarssurf(jtype) ) )
IF ( TRIM(cobstypessurf(jtype)) == 'sla' ) THEN
clvars(1) = 'SLA'
ELSE IF ( TRIM(cobstypessurf(jtype)) == 'sst' ) THEN
clvars(1) = 'SST'
ELSE IF ( TRIM(cobstypessurf(jtype)) == 'sic' ) THEN
clvars(1) = 'ICECONC'
ELSE IF ( TRIM(cobstypessurf(jtype)) == 'sss' ) THEN
clvars(1) = 'SSS'
ENDIF
!
! Read in surface obs types
CALL obs_rea_surf( surfdata(jtype), ifilessurf(jtype), &
& clsurffiles(jtype,1:ifilessurf(jtype)), &
& nvarssurf(jtype), nextrsurf(jtype), nitend-nit000+2, &
& rn_dobsini, rn_dobsend, ln_ignmis, .FALSE., llnightav(jtype), &
& clvars )
!
CALL obs_pre_surf( surfdata(jtype), surfdataqc(jtype), ln_nea, ln_bound_reject )
!
IF( TRIM(cobstypessurf(jtype)) == 'sla' ) THEN
CALL obs_rea_mdt( surfdataqc(jtype), n2dintsurf(jtype), Kmm )
IF( ln_altbias ) &
& CALL obs_rea_altbias ( surfdataqc(jtype), n2dintsurf(jtype), cn_altbiasfile )
ENDIF
!
IF( TRIM(cobstypessurf(jtype)) == 'sst' .AND. ln_sstbias ) THEN
jnumsstbias = 0
DO jfile = 1, jpmaxnfiles
IF( TRIM(cn_sstbiasfiles(jfile)) /= '' ) jnumsstbias = jnumsstbias + 1
END DO
IF( jnumsstbias == 0 ) CALL ctl_stop("ln_sstbias set but no bias files to read in")
!
CALL obs_app_sstbias( surfdataqc(jtype), n2dintsurf(jtype) , &
& jnumsstbias , cn_sstbiasfiles(1:jnumsstbias) )
ENDIF
!
DEALLOCATE( clvars )
END DO
!
DEALLOCATE( ifilessurf, clsurffiles )
!
ENDIF
!
END SUBROUTINE dia_obs_init
SUBROUTINE dia_obs( kstp, Kmm )
!!----------------------------------------------------------------------
!! *** ROUTINE dia_obs ***
!!
!! ** Purpose : Call the observation operators on each time step
!!
!! ** Method : Call the observation operators on each time step to
!! compute the model equivalent of the following data:
!! - Profile data, currently T/S or U/V
!! - Surface data, currently SST, SLA or sea-ice concentration.
!!
!! ** Action :
!!----------------------------------------------------------------------
USE phycst , ONLY : rday ! Physical constants
USE oce , ONLY : ts, uu, vv, ssh ! Ocean dynamics and tracers variables (Kmm time-level only)
USE phycst , ONLY : rday ! Physical constants
#if defined key_si3
USE ice , ONLY : at_i ! SI3 Ice model variables
#endif
#if defined key_cice
USE sbc_oce, ONLY : fr_i ! ice fraction
#endif
IMPLICIT NONE
!! * Arguments
INTEGER, INTENT(IN) :: kstp ! Current timestep
INTEGER, INTENT(in) :: Kmm ! ocean time level indices
!! * Local declarations
INTEGER :: idaystp ! Number of timesteps per day
INTEGER :: jtype ! Data loop variable
INTEGER :: jvar ! Variable number
INTEGER :: ji, jj, jk ! Loop counters
REAL(wp), DIMENSION(:,:,:,:), ALLOCATABLE :: &
& zprofvar ! Model values for variables in a prof ob
REAL(wp), DIMENSION(:,:,:,:), ALLOCATABLE :: &
& zprofmask ! Mask associated with zprofvar
REAL(wp), DIMENSION(jpi,jpj) :: &
& zsurfvar, & ! Model values equivalent to surface ob.
& zsurfmask ! Mask associated with surface variable
REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: &
& zglam, & ! Model longitudes for prof variables
& zgphi ! Model latitudes for prof variables
REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: zdept, zdepw
!-----------------------------------------------------------------------
IF(lwp) THEN
WRITE(numout,*)
WRITE(numout,*) 'dia_obs : Call the observation operators', kstp
WRITE(numout,*) '~~~~~~~'
ENDIF
idaystp = NINT( rday / rn_Dt )
!-----------------------------------------------------------------------
! Call the profile and surface observation operators
!-----------------------------------------------------------------------
IF ( nproftypes > 0 ) THEN
ALLOCATE( zdept(jpi,jpj,jpk), zdepw(jpi,jpj,jpk) )
DO jk = 1, jpk
zdept(:,:,jk) = gdept(:,:,jk,Kmm)
zdepw(:,:,jk) = gdepw(:,:,jk,Kmm)
END DO
DO jtype = 1, nproftypes
! Allocate local work arrays
ALLOCATE( zprofvar (jpi, jpj, jpk, profdataqc(jtype)%nvar) )
ALLOCATE( zprofmask(jpi, jpj, jpk, profdataqc(jtype)%nvar) )
ALLOCATE( zglam (jpi, jpj, profdataqc(jtype)%nvar) )
ALLOCATE( zgphi (jpi, jpj, profdataqc(jtype)%nvar) )
! Defaults which might change
DO jvar = 1, profdataqc(jtype)%nvar
zprofmask(:,:,:,jvar) = tmask(:,:,:)
zglam(:,:,jvar) = glamt(:,:)
zgphi(:,:,jvar) = gphit(:,:)
END DO
SELECT CASE ( TRIM(cobstypesprof(jtype)) )
CASE('prof')
zprofvar(:,:,:,1) = ts(:,:,:,jp_tem,Kmm)
zprofvar(:,:,:,2) = ts(:,:,:,jp_sal,Kmm)
CASE('vel')
zprofvar(:,:,:,1) = uu(:,:,:,Kmm)
zprofvar(:,:,:,2) = vv(:,:,:,Kmm)
zprofmask(:,:,:,1) = umask(:,:,:)
zprofmask(:,:,:,2) = vmask(:,:,:)
zglam(:,:,1) = glamu(:,:)
zglam(:,:,2) = glamv(:,:)
zgphi(:,:,1) = gphiu(:,:)
zgphi(:,:,2) = gphiv(:,:)
CASE DEFAULT
CALL ctl_stop( 'Unknown profile observation type '//TRIM(cobstypesprof(jtype))//' in dia_obs' )
END SELECT
DO jvar = 1, profdataqc(jtype)%nvar
CALL obs_prof_opt( profdataqc(jtype), kstp, jpi, jpj, jpk, &
& nit000, idaystp, jvar, &
& zprofvar(:,:,:,jvar), &
& zdept(:,:,:), zdepw(:,:,:), &
& zprofmask(:,:,:,jvar), &
& zglam(:,:,jvar), zgphi(:,:,jvar), &
& nn_1dint, nn_2dint_default, &
& kdailyavtypes = nn_profdavtypes )
END DO
DEALLOCATE( zprofvar, zprofmask, zglam, zgphi )
END DO
DEALLOCATE( zdept, zdepw )
ENDIF
IF ( nsurftypes > 0 ) THEN
DO jtype = 1, nsurftypes
!Defaults which might be changed
zsurfmask(:,:) = tmask(:,:,1)
SELECT CASE ( TRIM(cobstypessurf(jtype)) )
CASE('sst')
zsurfvar(:,:) = ts(:,:,1,jp_tem,Kmm)
CASE('sla')
zsurfvar(:,:) = ssh(:,:,Kmm)
CASE('sss')
zsurfvar(:,:) = ts(:,:,1,jp_sal,Kmm)
CASE('sic')
IF ( kstp == 0 ) THEN
IF ( lwp .AND. surfdataqc(jtype)%nsstpmpp(1) > 0 ) THEN
CALL ctl_warn( 'Sea-ice not initialised on zeroth '// &
& 'time-step but some obs are valid then.' )
WRITE(numout,*)surfdataqc(jtype)%nsstpmpp(1), &
& ' sea-ice obs will be missed'
ENDIF
surfdataqc(jtype)%nsurfup = surfdataqc(jtype)%nsurfup + &
& surfdataqc(jtype)%nsstp(1)
CYCLE
ELSE
#if defined key_cice || defined key_si3
zsurfvar(:,:) = fr_i(:,:)
#else
CALL ctl_stop( ' Trying to run sea-ice observation operator', &
& ' but no sea-ice model appears to have been defined' )
#endif
ENDIF
END SELECT
CALL obs_surf_opt( surfdataqc(jtype), kstp, jpi, jpj, &
& nit000, idaystp, zsurfvar, zsurfmask, &
& n2dintsurf(jtype), llnightav(jtype), &
& zavglamscl(jtype), zavgphiscl(jtype), &
& lfpindegs(jtype) )
END DO
ENDIF
END SUBROUTINE dia_obs
SUBROUTINE dia_obs_wri
!!----------------------------------------------------------------------
!! *** ROUTINE dia_obs_wri ***
!!
!! ** Purpose : Call observation diagnostic output routines
!!
!! ** Method : Call observation diagnostic output routines
!!
!! ** Action :
!!
!! History :
!! ! 06-03 (K. Mogensen) Original code
!! ! 06-05 (K. Mogensen) Reformatted
!! ! 06-10 (A. Weaver) Cleaning
!! ! 07-03 (K. Mogensen) General handling of profiles
!! ! 08-09 (M. Valdivieso) Velocity component (U,V) profiles
!! ! 15-08 (M. Martin) Combined writing for prof and surf types
!!----------------------------------------------------------------------
!! * Modules used
USE obs_rot_vel ! Rotation of velocities
IMPLICIT NONE
!! * Local declarations
INTEGER :: jtype ! Data set loop variable
INTEGER :: jo, jvar, jk
REAL(wp), DIMENSION(:), ALLOCATABLE :: &
& zu, &
& zv
!-----------------------------------------------------------------------
! Depending on switches call various observation output routines
!-----------------------------------------------------------------------
IF ( nproftypes > 0 ) THEN
DO jtype = 1, nproftypes
IF ( TRIM(cobstypesprof(jtype)) == 'vel' ) THEN
! For velocity data, rotate the model velocities to N/S, E/W
! using the compressed data structure.
ALLOCATE( &
& zu(profdataqc(jtype)%nvprot(1)), &
& zv(profdataqc(jtype)%nvprot(2)) &
& )
CALL obs_rotvel( profdataqc(jtype), nn_2dint_default, zu, zv )
DO jo = 1, profdataqc(jtype)%nprof
DO jvar = 1, 2
DO jk = profdataqc(jtype)%npvsta(jo,jvar), profdataqc(jtype)%npvend(jo,jvar)
IF ( jvar == 1 ) THEN
profdataqc(jtype)%var(jvar)%vmod(jk) = zu(jk)
ELSE
profdataqc(jtype)%var(jvar)%vmod(jk) = zv(jk)
ENDIF
END DO
END DO
END DO
DEALLOCATE( zu )
DEALLOCATE( zv )
END IF
CALL obs_prof_decompress( profdataqc(jtype), &
& profdata(jtype), .TRUE., numout )
CALL obs_wri_prof( profdata(jtype) )
END DO
ENDIF
IF ( nsurftypes > 0 ) THEN
DO jtype = 1, nsurftypes
CALL obs_surf_decompress( surfdataqc(jtype), &
& surfdata(jtype), .TRUE., numout )
CALL obs_wri_surf( surfdata(jtype) )
END DO
ENDIF
END SUBROUTINE dia_obs_wri
SUBROUTINE dia_obs_dealloc
IMPLICIT NONE
!!----------------------------------------------------------------------
!! *** ROUTINE dia_obs_dealloc ***
!!
!! ** Purpose : To deallocate data to enable the obs_oper online loop.
!! Specifically: dia_obs_init --> dia_obs --> dia_obs_wri
!!
!! ** Method : Clean up various arrays left behind by the obs_oper.
!!
!! ** Action :
!!
!!----------------------------------------------------------------------
! obs_grid deallocation
CALL obs_grid_deallocate
! diaobs deallocation
IF ( nproftypes > 0 ) &
& DEALLOCATE( cobstypesprof, profdata, profdataqc, nvarsprof, nextrprof )
IF ( nsurftypes > 0 ) &
& DEALLOCATE( cobstypessurf, surfdata, surfdataqc, nvarssurf, nextrsurf, &
& n2dintsurf, zavglamscl, zavgphiscl, lfpindegs, llnightav )
END SUBROUTINE dia_obs_dealloc
SUBROUTINE calc_date( kstp, ddobs )
!!----------------------------------------------------------------------
!! *** ROUTINE calc_date ***
!!
!! ** Purpose : Get date in double precision YYYYMMDD.HHMMSS format
!!
!! ** Method : Get date in double precision YYYYMMDD.HHMMSS format
!!
!! ** Action : Get date in double precision YYYYMMDD.HHMMSS format
!!
!! ** Action : Get initial date in double precision YYYYMMDD.HHMMSS format
!!
!! History :
!! ! 06-03 (K. Mogensen) Original code
!! ! 06-05 (K. Mogensen) Reformatted
!! ! 06-10 (A. Weaver) Cleaning
!! ! 06-10 (G. Smith) Calculates initial date the same as method for final date
!! ! 10-05 (D. Lea) Update to month length calculation for NEMO vn3.2
!! ! 2014-09 (D. Lea) New generic routine now deals with arbitrary initial time of day
!!----------------------------------------------------------------------
USE phycst, ONLY : & ! Physical constants
& rday
USE dom_oce, ONLY : & ! Ocean space and time domain variables
& rn_Dt
IMPLICIT NONE
!! * Arguments
REAL(KIND=wp), INTENT(OUT) :: ddobs ! Date in YYYYMMDD.HHMMSS
INTEGER, INTENT(IN) :: kstp
!! * Local declarations
INTEGER :: iyea ! date - (year, month, day, hour, minute)
INTEGER :: imon
INTEGER :: iday
INTEGER :: ihou
INTEGER :: imin
INTEGER :: imday ! Number of days in month.
REAL(wp) :: zdayfrc ! Fraction of day
INTEGER, DIMENSION(12) :: imonth_len !: length in days of the months of the current year
!!----------------------------------------------------------------------
!! Initial date initialization (year, month, day, hour, minute)
!!----------------------------------------------------------------------
iyea = ndate0 / 10000
imon = ( ndate0 - iyea * 10000 ) / 100
iday = ndate0 - iyea * 10000 - imon * 100
ihou = nn_time0 / 100
imin = ( nn_time0 - ihou * 100 )
!!----------------------------------------------------------------------
!! Compute number of days + number of hours + min since initial time
!!----------------------------------------------------------------------
zdayfrc = kstp * rn_Dt / rday
zdayfrc = zdayfrc - aint(zdayfrc)
imin = imin + int( zdayfrc * 24 * 60 )
DO WHILE (imin >= 60)
imin=imin-60
ihou=ihou+1
END DO
DO WHILE (ihou >= 24)
ihou=ihou-24
iday=iday+1
END DO
iday = iday + kstp * rn_Dt / rday
!-----------------------------------------------------------------------
! Convert number of days (iday) into a real date
!----------------------------------------------------------------------
CALL calc_month_len( iyea, imonth_len )
DO WHILE ( iday > imonth_len(imon) )
iday = iday - imonth_len(imon)
imon = imon + 1
IF ( imon > 12 ) THEN
imon = 1
iyea = iyea + 1
CALL calc_month_len( iyea, imonth_len ) ! update month lengths
ENDIF
END DO
!----------------------------------------------------------------------
! Convert it into YYYYMMDD.HHMMSS format.
!----------------------------------------------------------------------
ddobs = iyea * 10000_dp + imon * 100_dp + &
& iday + ihou * 0.01_dp + imin * 0.0001_dp
END SUBROUTINE calc_date
SUBROUTINE ini_date( ddobsini )
!!----------------------------------------------------------------------
!! *** ROUTINE ini_date ***
!!
!! ** Purpose : Get initial date in double precision YYYYMMDD.HHMMSS format
!!
!! ** Method :
!!
!! ** Action :
!!
!! History :
!! ! 06-03 (K. Mogensen) Original code
!! ! 06-05 (K. Mogensen) Reformatted
!! ! 06-10 (A. Weaver) Cleaning
!! ! 10-05 (D. Lea) Update to month length calculation for NEMO vn3.2
!! ! 2014-09 (D. Lea) Change to call generic routine calc_date
!!----------------------------------------------------------------------
IMPLICIT NONE
!! * Arguments
REAL(KIND=wp), INTENT(OUT) :: ddobsini ! Initial date in YYYYMMDD.HHMMSS
CALL calc_date( nit000 - 1, ddobsini )
END SUBROUTINE ini_date
SUBROUTINE fin_date( ddobsfin )
!!----------------------------------------------------------------------
!! *** ROUTINE fin_date ***
!!
!! ** Purpose : Get final date in double precision YYYYMMDD.HHMMSS format
!!
!! ** Method :
!!
!! ** Action :
!!
!! History :
!! ! 06-03 (K. Mogensen) Original code
!! ! 06-05 (K. Mogensen) Reformatted
!! ! 06-10 (A. Weaver) Cleaning
!! ! 10-05 (D. Lea) Update to month length calculation for NEMO vn3.2
!! ! 2014-09 (D. Lea) Change to call generic routine calc_date
!!----------------------------------------------------------------------
IMPLICIT NONE
!! * Arguments
REAL(wp), INTENT(OUT) :: ddobsfin ! Final date in YYYYMMDD.HHMMSS
CALL calc_date( nitend, ddobsfin )
END SUBROUTINE fin_date
SUBROUTINE obs_settypefiles( ntypes, jpmaxnfiles, ifiles, cobstypes, cfiles )
INTEGER, INTENT(IN) :: ntypes ! Total number of obs types
INTEGER, INTENT(IN) :: jpmaxnfiles ! Maximum number of files allowed for each type
INTEGER, DIMENSION(ntypes), INTENT(OUT) :: &
& ifiles ! Out number of files for each type
CHARACTER(len=lca), DIMENSION(ntypes), INTENT(IN) :: &
& cobstypes ! List of obs types
CHARACTER(len=128), DIMENSION(ntypes, jpmaxnfiles), INTENT(IN) :: &
& cfiles ! List of files for all types
!Local variables
INTEGER :: jfile
INTEGER :: jtype
DO jtype = 1, ntypes
ifiles(jtype) = 0
DO jfile = 1, jpmaxnfiles
IF ( trim(cfiles(jtype,jfile)) /= '' ) &
ifiles(jtype) = ifiles(jtype) + 1
END DO
IF ( ifiles(jtype) == 0 ) THEN
CALL ctl_stop( 'Logical for observation type '//TRIM(cobstypes(jtype))// &
& ' set to true but no files available to read' )
ENDIF
IF(lwp) THEN
WRITE(numout,*) ' '//cobstypes(jtype)//' input observation file names:'
DO jfile = 1, ifiles(jtype)
WRITE(numout,*) ' '//TRIM(cfiles(jtype,jfile))
END DO
ENDIF
END DO
END SUBROUTINE obs_settypefiles
SUBROUTINE obs_setinterpopts( ntypes, jtype, ctypein, &
& n2dint_default, n2dint_type, &
& ravglamscl_type, ravgphiscl_type, &
& lfp_indegs_type, lavnight_type, &
& n2dint, ravglamscl, ravgphiscl, &
& lfpindegs, lavnight )
INTEGER, INTENT(IN) :: ntypes ! Total number of obs types
INTEGER, INTENT(IN) :: jtype ! Index of the current type of obs
INTEGER, INTENT(IN) :: n2dint_default ! Default option for interpolation type
INTEGER, INTENT(IN) :: n2dint_type ! Option for interpolation type
REAL(wp), INTENT(IN) :: &
& ravglamscl_type, & !E/W diameter of obs footprint for this type
& ravgphiscl_type !N/S diameter of obs footprint for this type
LOGICAL, INTENT(IN) :: lfp_indegs_type !T=> footprint in degrees, F=> in metres
LOGICAL, INTENT(IN) :: lavnight_type !T=> obs represent night time average
CHARACTER(len=lca), INTENT(IN) :: ctypein
INTEGER, DIMENSION(ntypes), INTENT(INOUT) :: &
& n2dint
REAL(wp), DIMENSION(ntypes), INTENT(INOUT) :: &
& ravglamscl, ravgphiscl
LOGICAL, DIMENSION(ntypes), INTENT(INOUT) :: &
& lfpindegs, lavnight
lavnight(jtype) = lavnight_type
IF ( (n2dint_type >= 0) .AND. (n2dint_type <= 6) ) THEN
n2dint(jtype) = n2dint_type
ELSE IF ( n2dint_type == -1 ) THEN
n2dint(jtype) = n2dint_default
ELSE
CALL ctl_stop(' Choice of '//TRIM(ctypein)//' horizontal (2D) interpolation method', &
& ' is not available')
ENDIF
! For averaging observation footprints set options for size of footprint
IF ( (n2dint(jtype) > 4) .AND. (n2dint(jtype) <= 6) ) THEN
IF ( ravglamscl_type > 0._wp ) THEN
ravglamscl(jtype) = ravglamscl_type
ELSE
CALL ctl_stop( 'Incorrect value set for averaging footprint '// &
'scale (ravglamscl) for observation type '//TRIM(ctypein) )
ENDIF
IF ( ravgphiscl_type > 0._wp ) THEN
ravgphiscl(jtype) = ravgphiscl_type
ELSE
CALL ctl_stop( 'Incorrect value set for averaging footprint '// &
'scale (ravgphiscl) for observation type '//TRIM(ctypein) )
ENDIF
lfpindegs(jtype) = lfp_indegs_type
ENDIF
! Write out info
IF(lwp) THEN
IF ( n2dint(jtype) <= 4 ) THEN
WRITE(numout,*) ' '//TRIM(ctypein)// &
& ' model counterparts will be interpolated horizontally'
ELSE IF ( n2dint(jtype) <= 6 ) THEN
WRITE(numout,*) ' '//TRIM(ctypein)// &
& ' model counterparts will be averaged horizontally'
WRITE(numout,*) ' '//' with E/W scale: ',ravglamscl(jtype)
WRITE(numout,*) ' '//' with N/S scale: ',ravgphiscl(jtype)
IF ( lfpindegs(jtype) ) THEN
WRITE(numout,*) ' '//' (in degrees)'
ELSE
WRITE(numout,*) ' '//' (in metres)'
ENDIF
ENDIF
ENDIF
END SUBROUTINE obs_setinterpopts
END MODULE diaobs