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!MNH_LIC Copyright 1994-2014 CNRS, Meteo-France and Universite Paul Sabatier
!MNH_LIC This is part of the Meso-NH software governed by the CeCILL-C licence
!MNH_LIC version 1. See LICENSE, CeCILL-C_V1-en.txt and CeCILL-C_V1-fr.txt
!MNH_LIC for details. version 1.
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!-----------------------------------------------------------------
!--------------- special set of characters for RCS information
!-----------------------------------------------------------------
! $Source$ $Revision$
!-----------------------------------------------------------------
! ######################
MODULE MODI_CALL_RTTOV
! ######################
INTERFACE
!
SUBROUTINE CALL_RTTOV(KDLON, KFLEV, KSTATM, PEMIS, PTSRAD, PSTATM, &
PTHT, PRT, PPABST, PZZ, PMFCONV, PCLDFR, PULVLKB, PVLVLKB, &
OUSERI, KRTTOVINFO, HFMFILE )
!
INTEGER, INTENT(IN) :: KDLON !number of columns where the
!radiation calculations are performed
INTEGER, INTENT(IN) :: KFLEV !number of vertical levels where the
!radiation calculations are performed
INTEGER, INTENT(IN) :: KSTATM !index of the standard atmosphere level
!just above the model top
!
!
REAL, DIMENSION(:,:), INTENT(IN) :: PEMIS !Surface IR EMISsivity
REAL, DIMENSION(:,:), INTENT(IN) :: PTSRAD !RADiative Surface Temperature
REAL, DIMENSION(:,:), INTENT(IN) :: PSTATM !selected standard atmosphere
!
REAL, DIMENSION(:,:,:), INTENT(IN) :: PTHT !THeta at t
REAL, DIMENSION(:,:,:,:), INTENT(IN) :: PRT !moist variables at t
REAL, DIMENSION(:,:,:), INTENT(IN) :: PPABST !pressure at t
REAL, DIMENSION(:,:,:), INTENT(IN) :: PZZ !Model level heights
!
REAL, DIMENSION(:,:,:), INTENT(IN) :: PMFCONV! convective mass flux (kg /s m^2)
REAL, DIMENSION(:,:,:), INTENT(IN) :: PCLDFR ! cloud fraction
REAL, DIMENSION(:,:), INTENT(IN) :: PULVLKB ! U-wind at KB level
REAL, DIMENSION(:,:), INTENT(IN) :: PVLVLKB ! V-wind at KB level
!
LOGICAL, INTENT(IN) :: OUSERI ! logical switch to compute both
! liquid and solid condensate (OUSERI=.TRUE.)
! or only liquid condensate (OUSERI=.FALSE.)
!
INTEGER, DIMENSION(:,:), INTENT(IN) :: KRTTOVINFO ! platform, satelit, sensor,
! and selection calculations
CHARACTER(LEN=28), INTENT(IN) :: HFMFILE ! Name of FM-file to write
!
END SUBROUTINE CALL_RTTOV
END INTERFACE
END MODULE MODI_CALL_RTTOV
! #####################################################################
SUBROUTINE CALL_RTTOV(KDLON, KFLEV, KSTATM, PEMIS, PTSRAD, PSTATM, &
PTHT, PRT, PPABST, PZZ, PMFCONV, PCLDFR, PULVLKB, PVLVLKB, &
OUSERI, KRTTOVINFO, HFMFILE )
! #####################################################################
!!
!!**** *CALL_RTTOV* -
!!
!! PURPOSE
!! -------
!!
!!** METHOD
!! ------
!!
!! EXTERNAL
!! --------
!!
!! IMPLICIT ARGUMENTS
!! ------------------
!!
!! REFERENCE
!! ---------
!! See Chaboureau and Pinty, 2006
!! Validation of a cirrus parameterization with Meteosat Second Generation
!! observations. Geophys. Res. Let., doi:10.1029/2005GL024725
!!
!! AUTHOR
!! ------
!! J.-P. Chaboureau *L.A.*
!!
!! MODIFICATIONS
!! -------------
!! Original 11/12/03
!! JP Chaboureau 27/03/2008 Vectorization
!! JP Chaboureau 02/11/2009 move GANGL deallocation outside the sensor loop
!! J.Escobar : 15/09/2015 : WENO5 & JPHEXT <> 1
!!----------------------------------------------------------------------------
!!
!!* 0. DECLARATIONS
!! ------------
!!
#ifdef MNH_RTTOV
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USE MODD_CST
USE MODD_PARAMETERS
USE MODD_GRID_n
USE MODD_LUNIT_n
USE MODD_DEEP_CONVECTION_n
USE MODD_REF_n
USE MODD_RADIATIONS_n, ONLY : XSEA
!
USE MODN_CONF
!
USE MODD_RAD_TRANSF
!
USE MODI_DETER_ANGLE
USE MODI_PINTER
!
USE MODE_FMWRIT
USE MODE_FMREAD
USE MODE_ll
USE MODE_FM
USE MODE_IO_ll
USE MODE_POS
!
USE rttov_const, ONLY : &
& gas_id_watervapour ,&
& errorstatus_success,&
& errorstatus_warning,&
& errorstatus_fatal,&
& sensor_id_mw, &
& npolar_return, &
& npolar_compute
USE rttov_types, ONLY : &
& geometry_type ,&
& rttov_coef ,&
& rttov_scatt_coef ,&
& profile_type ,&
& profile_cloud_type ,&
& transmission_type ,&
& radiance_cloud_type
USE MOD_CPARAM, ONLY : jppf ! Max no. profiles
USE parkind1, ONLY : jpim ,jprb
!
IMPLICIT NONE
!
! -----------------------------------------------------------------------------
INTERFACE
!!! #include "rttov_setupindex.interface
SUBROUTINE rttov_setupindex (&
& mchan, & ! in
& nprofiles, & ! in
& nfrequencies, & ! in
& nchannels, & ! in
& nbtout, & ! in
& coef, & ! in
& surfem, & ! in
& lprofiles, & ! out
& channels, & ! out
& polarisations, & ! out
& emissivity) ! out
! Imported Type Definitions:
USE rttov_types, ONLY : &
rttov_coef
USE rttov_const, ONLY : &
sensor_id_mw, &
npolar_return, &
npolar_compute
USE parkind1, ONLY : jpim ,jprb
IMPLICIT NONE
! Subroutine arguments
INTEGER(Kind=jpim), INTENT(in) :: nprofiles ! Number of profiles
INTEGER(Kind=jpim), INTENT(in) :: mchan(nprofiles) ! nfrequencies/nprofiles
INTEGER(Kind=jpim), INTENT(in) :: nchannels ! Number of radiances computed
INTEGER(Kind=jpim), INTENT(in) :: nfrequencies ! Number of frequencies
! (= channels used * profiles)
INTEGER(Kind=jpim), INTENT(in) :: nbtout ! Number of BTs returned
INTEGER(Kind=jpim), INTENT(out) :: channels(nfrequencies) ! Channel indices
INTEGER(Kind=jpim), INTENT(out) :: polarisations(nchannels,3) ! Channel indices
INTEGER(Kind=jpim), INTENT(out) :: lprofiles(nfrequencies) ! Profiles indices
REAL(Kind=jprb), INTENT(in) :: surfem(nchannels) ! Input surface emissivity
REAL(Kind=jprb), INTENT(out) :: emissivity(nchannels) ! Surface emissivity array for RTTOV
TYPE( rttov_coef ), INTENT (in) :: coef ! coefficients
END SUBROUTINE rttov_setupindex
!
!!! #include "rttov_setupchan.interface"
SUBROUTINE rttov_setupchan (&
& nprofiles, & ! in
& nchan, & ! in
& coef, & ! in
& nfrequencies, & ! out
& nchannels, & ! out
& nbtout) ! out
! Imported Type Definitions:
USE rttov_types, ONLY : &
rttov_coef
USE rttov_const, ONLY : &
sensor_id_mw, &
npolar_return, &
npolar_compute
USE parkind1, ONLY : jpim
IMPLICIT NONE
! Subroutine arguments
INTEGER(Kind=jpim), INTENT(in) :: nprofiles ! Number of profiles
INTEGER(Kind=jpim), INTENT(in) :: nchan(nprofiles) ! Number of channels requested
TYPE( rttov_coef ), INTENT (in) :: coef ! coefficients
INTEGER(Kind=jpim), INTENT(out) :: nchannels ! Number of radiances computed
INTEGER(Kind=jpim), INTENT(out) :: nfrequencies ! Number of frequencies
! (= channels used * profiles)
INTEGER(Kind=jpim), INTENT(out) :: nbtout ! Number of BTs returned
END SUBROUTINE rttov_setupchan
!
!!! #include "rttov_scatt_setupindex.interface"
SUBROUTINE rttov_scatt_setupindex (nprofiles, n_chan, coef, nchannels, &
& lsprofiles,lsprofiles2, frequencies, nbtout)
USE parkind1 , ONLY: jpim, jprb
USE rttov_const, ONLY : npolar_return, npolar_compute, &
& inst_id_ssmi
USE rttov_types, ONLY : rttov_coef
IMPLICIT NONE
INTEGER (kind=jpim), INTENT ( in) :: nprofiles
INTEGER (kind=jpim), INTENT ( in) :: nchannels
INTEGER (kind=jpim), INTENT ( in) :: nbtout
INTEGER (kind=jpim), INTENT ( in) :: n_chan (nprofiles)
TYPE (rttov_coef), INTENT ( in) :: coef
INTEGER (kind=jpim), INTENT (out), DIMENSION (nchannels) :: lsprofiles
INTEGER (kind=jpim), INTENT (out), DIMENSION (nbtout) :: lsprofiles2
INTEGER (kind=jpim), INTENT (out), DIMENSION (nchannels) :: frequencies
END SUBROUTINE rttov_scatt_setupindex
!
!!! #include "rttov_cld.interface"
SUBROUTINE rttov_cld( &
errorstatus, & ! out
nfrequencies, & ! in
nchannels, & ! in
nbtout, & ! in
nprofiles, & ! in
channels, & ! in
polarisations, & ! in
lprofiles, & ! in
profiles, & ! inout (to invalid clw absorption)
cld_profiles, & ! in
coef, & ! in
calcemis, & ! in
emissivity, & ! inout
cld_radiance ) ! inout
USE rttov_const, ONLY : &
errorstatus_success ,&
errorstatus_fatal ,&
overlap_scheme
USE rttov_types, ONLY : &
rttov_coef ,&
geometry_Type ,&
profile_Type ,&
profile_cloud_Type ,&
transmission_Type ,&
radiance_Type ,&
radiance_cloud_Type
USE parkind1, ONLY : jpim ,jprb
IMPLICIT NONE
INTEGER(Kind=jpim), INTENT(in) :: nbtout ! Number of output radiances
INTEGER(Kind=jpim), INTENT(in) :: nfrequencies ! Number of output radiances
INTEGER(Kind=jpim), INTENT(in) :: nchannels
INTEGER(Kind=jpim), INTENT(in) :: nprofiles
INTEGER(Kind=jpim), INTENT(in) :: channels(nfrequencies)
INTEGER(Kind=jpim), INTENT(in) :: polarisations(nchannels,3) ! Channel indices
INTEGER(Kind=jpim), INTENT(in) :: lprofiles(nfrequencies)
TYPE(profile_Type), INTENT(inout) :: profiles(nprofiles) ! Profiles on RTTOV levels
TYPE(profile_cloud_Type), INTENT(in) :: cld_profiles(nprofiles) ! Cloud profiles on NWP levels
TYPE(rttov_coef), INTENT(in) :: coef ! Coefficients
LOGICAL, INTENT(in) :: calcemis(nchannels) ! switch for emmissivity calc.
REAL(Kind=jprb), INTENT(inout) :: emissivity(nchannels) ! surface emmissivity
TYPE(radiance_cloud_Type), INTENT(inout) :: cld_radiance ! radiances (mw/cm-1/ster/sq.m)
INTEGER(Kind=jpim), INTENT(out) :: errorstatus(nprofiles) ! return flag
END SUBROUTINE rttov_cld
!!! #include "rttov_cld_k.interface"
SUBROUTINE Rttov_cld_k ( &
errorstatus, & ! out
nfrequencies, & ! in
nchannels, & ! in
nbtout, & ! in
nprofiles, & ! in
channels, & ! in
polarisations, & ! in
lprofiles, & ! in
profiles, & ! in
cld_profiles, & ! in
coef, & ! in
switchrad, & ! in
calcemis, & ! in
emissivity, & ! inout
profiles_k , & ! inout
cld_profiles_k ,& ! inout
emissivity_k , & ! inout
cld_radiance) ! inout
USE rttov_const, ONLY : &
errorstatus_success ,&
errorstatus_fatal ,&
overlap_scheme
USE rttov_types, ONLY : &
rttov_coef ,&
geometry_Type ,&
profile_Type ,&
profile_cloud_Type ,&
radiance_cloud_Type
USE parkind1, ONLY : jpim ,jprb
IMPLICIT NONE
INTEGER(Kind=jpim), INTENT(in) :: nfrequencies
INTEGER(Kind=jpim), INTENT(in) :: nchannels
INTEGER(Kind=jpim), INTENT(in) :: nbtout
INTEGER(Kind=jpim), INTENT(in) :: nprofiles
INTEGER(Kind=jpim), INTENT(in) :: channels(nfrequencies)
INTEGER(Kind=jpim), INTENT(in) :: polarisations(nchannels,3)
INTEGER(Kind=jpim), INTENT(in) :: lprofiles(nfrequencies)
LOGICAL, INTENT(in) :: switchrad ! true if input is BT
TYPE(profile_Type), INTENT(inout) :: profiles(nprofiles)
TYPE(profile_cloud_Type), INTENT(in) :: cld_profiles(nprofiles)
TYPE(rttov_coef), INTENT(in) :: coef
LOGICAL, INTENT(in) :: calcemis(nchannels)
REAL(Kind=jprb), INTENT(inout) :: emissivity(nchannels)
TYPE(radiance_cloud_type), INTENT(inout) :: cld_radiance! in because of meme allocation
TYPE(profile_Type), INTENT(inout) :: profiles_k(nchannels)
TYPE(profile_cloud_Type), INTENT(inout) :: cld_profiles_k(nchannels)
REAL(Kind=jprb), INTENT(inout) :: emissivity_k(nchannels)
INTEGER(Kind=jpim), INTENT(out) :: errorstatus(nprofiles)
END SUBROUTINE Rttov_cld_k
!!! #include "rttov_scatt.interface"
SUBROUTINE rttov_scatt(&
& errorstatus,&
& nwp_levels,&
& nrt_levels,&
& nfrequencies,&
& nchannels,&
& nbtout,&
& nprofiles,&
& polarisations,&
& channels,&
& frequencies,&
& lprofiles,&
& lsprofiles,&
& profiles,&
& cld_profiles,&
& coef_rttov,&
& coef_scatt,&
& calcemiss,&
& emissivity_in,&
& cld_radiance )
USE rttov_types, ONLY :&
& rttov_coef ,&
& rttov_scatt_coef ,&
& geometry_Type ,&
& profile_Type ,&
& profile_cloud_Type ,&
& profile_scatt_aux ,&
& transmission_Type ,&
& radiance_Type ,&
& radiance_cloud_Type
USE parkind1, ONLY : jpim ,jprb
INTEGER (Kind=jpim), INTENT (in) :: nwp_levels
INTEGER (Kind=jpim), INTENT (in) :: nrt_levels
INTEGER (Kind=jpim), INTENT (in) :: nprofiles
INTEGER (Kind=jpim), INTENT (in) :: nfrequencies
INTEGER (Kind=jpim), INTENT (in) :: nchannels
INTEGER (Kind=jpim), INTENT (in) :: nbtout
INTEGER (Kind=jpim), INTENT (in) :: channels (nfrequencies)
INTEGER (Kind=jpim), INTENT (in) :: frequencies (nchannels)
INTEGER (Kind=jpim), INTENT (in) :: polarisations (nchannels,3)
INTEGER (Kind=jpim), INTENT (in) :: lprofiles (nfrequencies)
INTEGER (Kind=jpim), INTENT (in) :: lsprofiles (nchannels)
INTEGER (Kind=jpim), INTENT (out) :: errorstatus (nprofiles)
LOGICAL, INTENT (in) :: calcemiss (nchannels)
REAL (Kind=jprb), INTENT (in) :: emissivity_in (nchannels)
TYPE (profile_Type), INTENT (inout) :: profiles (nprofiles)
TYPE (rttov_coef), INTENT (in) :: coef_rttov
TYPE (rttov_scatt_coef), INTENT (in) :: coef_scatt
TYPE (profile_cloud_Type), INTENT (in) :: cld_profiles (nprofiles)
TYPE (radiance_cloud_Type), INTENT (inout) :: cld_radiance
END SUBROUTINE rttov_scatt
!!! #include "rttov_readcoeffs.interface"
SUBROUTINE rttov_readcoeffs (&
& errorstatus, & ! out
& coef, & ! out
& instrument, & ! in Optional
& kmyproc, & ! in Optional
& kioproc, & ! in Optional
& file_id, & ! in Optional
& channels ) ! in Optional
USE rttov_const, ONLY : &
version ,&
release ,&
minor_version ,&
rttov_magic_string ,&
sensor_id_mw ,&
sensor_id_ir ,&
errorstatus_info ,&
errorstatus_success ,&
errorstatus_fatal ,&
gas_id_mixed ,&
gas_id_watervapour ,&
gas_id_ozone ,&
gas_id_wvcont ,&
gas_id_co2 ,&
gas_id_n2o ,&
gas_id_co ,&
gas_id_ch4 ,&
gas_unit_specconc ,&
gas_unit_ppmv ,&
earthradius ,&
gas_name ,&
pressure_top
USE rttov_types, ONLY : &
rttov_coef
USE parkind1, ONLY : jpim ,jprb
IMPLICIT NONE
INTEGER(Kind=jpim), OPTIONAL, INTENT(in) :: kmyproc ! logical processor id
INTEGER(Kind=jpim), OPTIONAL, INTENT(in) :: kioproc ! processor dedicated for io
INTEGER(Kind=jpim), OPTIONAL, INTENT (in) :: instrument(3) ! (platform, satellite identification, instrument) number
INTEGER(Kind=jpim), OPTIONAL, INTENT (in) :: file_id ! file logical unit number
INTEGER(Kind=jpim), OPTIONAL, INTENT (in) :: channels(:) ! list of channels to extract
INTEGER(Kind=jpim), INTENT (out) :: errorstatus ! return code
TYPE( rttov_coef ), INTENT (out) :: coef ! coefficients
END SUBROUTINE rttov_readcoeffs
!!! #include "rttov_initcoeffs.interface"
SUBROUTINE rttov_initcoeffs (&
& errorstatus, &! out
& coef, &! out
& knproc, &! in Optional
& kmyproc, &! in Optional
& kioproc )! in Optional
USE rttov_const, ONLY : &
& sensor_id_mw ,&
& errorstatus_info ,&
& errorstatus_success ,&
& errorstatus_fatal ,&
& gas_id_mixed ,&
& gas_id_watervapour ,&
& gas_id_ozone ,&
& gas_id_wvcont ,&
& gas_id_co2 ,&
& gas_id_n2o ,&
& gas_id_co ,&
& gas_id_ch4 ,&
& gas_unit_specconc ,&
& gas_unit_ppmv ,&
& earthradius ,&
& gas_name ,&
& pressure_top
! Imported Type Definitions:
USE rttov_types, ONLY : &
& rttov_coef
USE parkind1, ONLY : jpim ,jprb
IMPLICIT NONE
INTEGER(Kind=jpim), OPTIONAL, INTENT(in) :: knproc ! number of procs
INTEGER(Kind=jpim), OPTIONAL, INTENT(in) :: kmyproc ! logical processor id
INTEGER(Kind=jpim), OPTIONAL, INTENT(in) :: kioproc ! procs dedicated for io
! scalar arguments with intent(out):
INTEGER(Kind=jpim), INTENT (out) :: errorstatus ! return code
TYPE( rttov_coef ), INTENT (out) :: coef ! coefficients
END SUBROUTINE rttov_initcoeffs
!!! #include "rttov_readscattcoeffs.interface"
SUBROUTINE rttov_readscattcoeffs (&
& errorstatus, &! out
& coef_rttov, &! in
& coef_scatt, &! out
& file_id ) ! in Optional
! Imported Type Definitions:
USE rttov_types, ONLY : &
& rttov_coef, &
& rttov_scatt_coef
USE rttov_const, ONLY : &
& inst_name ,&
& platform_name ,&
& errorstatus_info ,&
& errorstatus_success ,&
& errorstatus_fatal
USE parkind1, ONLY : jpim ,jprb
IMPLICIT NONE
! subroutine arguments
! scalar arguments with intent(out):
INTEGER(Kind=jpim), INTENT (out) :: errorstatus ! return code
! scalar arguments with optional intent(in):
INTEGER(Kind=jpim), OPTIONAL, INTENT (in) :: file_id ! file logical unit number
! array arguments with intent(in):
TYPE( rttov_coef ), INTENT (in) :: coef_rttov ! clear-sky coefficients
! array arguments with intent(out):
TYPE( rttov_scatt_coef ), INTENT (out) :: coef_scatt ! coefficients
END SUBROUTINE rttov_readscattcoeffs
END INTERFACE
!!! #include "rttov_opencoeff.interface"
!!! #include "rttov_errorhandling.interface"
!!! #include "rttov_dealloc_coef.interface"
!!! #include "rttov_errorreport.interface"
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!!!
!!!* 0.1 DECLARATIONS OF DUMMY ARGUMENTS :
!!!
INTEGER, INTENT(IN) :: KDLON !number of columns where the
! radiation calculations are performed
INTEGER, INTENT(IN) :: KFLEV !number of vertical levels where the
! radiation calculations are performed
INTEGER, INTENT(IN) :: KSTATM !index of the standard atmosphere level
!just above the model top
!!!
REAL, DIMENSION(:,:), INTENT(IN) :: PEMIS !Surface IR EMISsivity
REAL, DIMENSION(:,:), INTENT(IN) :: PTSRAD !RADiative Surface Temperature
REAL, DIMENSION(:,:), INTENT(IN) :: PSTATM !selected standard atmosphere
!
REAL, DIMENSION(:,:,:), INTENT(IN) :: PTHT !THeta at t
REAL, DIMENSION(:,:,:,:), INTENT(IN) :: PRT !moist variables at t
REAL, DIMENSION(:,:,:), INTENT(IN) :: PPABST !pressure at t
REAL, DIMENSION(:,:,:), INTENT(IN) :: PZZ !Model level heights
!!!
!!!
REAL, DIMENSION(:,:,:), INTENT(IN) :: PMFCONV! convective mass flux (kg /s m^2)
REAL, DIMENSION(:,:,:), INTENT(IN) :: PCLDFR ! cloud fraction
REAL, DIMENSION(:,:), INTENT(IN) :: PULVLKB ! U-wind at KB level
REAL, DIMENSION(:,:), INTENT(IN) :: PVLVLKB ! V-wind at KB level
!!!
LOGICAL, INTENT(IN) :: OUSERI ! logical switch to compute both
! liquid and solid condensate (OUSERI=.TRUE.)
! or only liquid condensate (OUSERI=.FALSE.)
!!!
INTEGER, DIMENSION(:,:), INTENT(IN) :: KRTTOVINFO ! platform, satelit, sensor,
! and selection calculations
CHARACTER(LEN=28), INTENT(IN) :: HFMFILE ! Name of FM-file to write
!
#ifdef MNH_RTTOV
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!!!
!!!* 0.2 DECLARATIONS OF LOCAL VARIABLES
!!!
!!!
INTEGER, PARAMETER :: JPNSAT=3 ! No. of Satellite required
!
INTEGER :: JI,JJ,JK,JK1,JK2,JKRAD,JKF,JSAT,JC ! loop indexes
!
INTEGER :: IJSAT ! number of columns/=NUNDEF which
! have to be treated in the table KRTTOVINFO(:,:)
INTEGER :: IIB,IIE ! I index value of the first/last inner mass point
INTEGER :: IJB,IJE ! J index value of the first/last inner mass point
INTEGER :: IKB,IKE ! K index value of the first/last inner mass point
INTEGER :: IIU ! array size for the first index
INTEGER :: IJU ! array size for the second index
INTEGER :: IKU ! array size for the third index
INTEGER :: IKR ! real array size for the third index
INTEGER (Kind=jpim) :: iwp_levels ! equal to IKR (call to rttov_scatt)
INTEGER :: IIJ ! reformatted array index
INTEGER :: IKSTAE ! level number of the STAndard atmosphere array
INTEGER :: IKUP ! vertical level above which STAndard atmosphere data
INTEGER, DIMENSION(SIZE(PZZ,1),SIZE(PZZ,3)) :: IKKOZ ! indice array used to
! vertically interpolate the ozone content on the model grid
!
REAL, DIMENSION(:,:), ALLOCATABLE :: ZPAVE ! mean-layer pressure
REAL, DIMENSION(:,:), ALLOCATABLE :: ZTAVE ! mean-layer temperature
REAL, DIMENSION(:,:), ALLOCATABLE :: ZQVAVE ! mean-layer specific humidity
REAL, DIMENSION(:,:), ALLOCATABLE :: ZO3AVE ! mean-layer ozone content
REAL, DIMENSION(:), ALLOCATABLE :: ZREMIS ! Reformatted PEMIS array
REAL, DIMENSION(:,:,:), ALLOCATABLE :: ZEXNT ! Exner function
REAL, DIMENSION(SIZE(PSTATM,1)) :: ZSTAZZ,ZSTAOZ ! STAndard atmosphere height
! and OZone content
REAL :: ZOZ ! variable used to interpolate the ozone profile
REAL, DIMENSION(:), ALLOCATABLE :: ZULAT
REAL, DIMENSION(:), ALLOCATABLE :: ZULON
REAL, DIMENSION(:,:,:), ALLOCATABLE :: ZTBTMP
REAL, DIMENSION(:,:), ALLOCATABLE :: ZANTMP, ZUTH
REAL :: ZZH, zdeg_to_rad, zrad_to_deg, zbeta, zalpha
! Other arrays for zenithal solar angle
! REAL, DIMENSION(:,:), ALLOCATABLE :: ZCOSZEN, ZSINZEN, ZAZIMSOL
! Other arrays for condensation
REAL, DIMENSION(:,:,:), ALLOCATABLE :: ZTEMP ! Temperature
REAL, DIMENSION(:,:,:), ALLOCATABLE :: ZNCLD ! grid scale cloud fraction
REAL, DIMENSION(:,:,:), ALLOCATABLE :: ZRC ! grid scale r_c (kg/kg)
REAL, DIMENSION(:,:,:), ALLOCATABLE :: ZRI ! grid scale r_i (kg/kg)
REAL, DIMENSION(:,:,:), ALLOCATABLE :: ZRR ! grid scale r_r (kg/kg)
REAL, DIMENSION(:,:,:), ALLOCATABLE :: ZRS ! grid scale r_s (kg/kg)
! -----------------------------------------------------------------------------
INTEGER, PARAMETER :: JPLEV=43, JPNAV=3, JPNSAV=5, JPNSSV=6, JPNCVCLD=6
REAL, DIMENSION(JPLEV) :: ZPRES !Fixed level pressures used in RTTOV
REAL, DIMENSION(JPLEV) :: ZPRES_INV
REAL, DIMENSION(:,:,:), ALLOCATABLE :: ZAV !Profile array content
REAL, DIMENSION(:,:), ALLOCATABLE :: ZSAV !Surface array content
REAL, DIMENSION(:,:), ALLOCATABLE :: ZSSV !Surface Skin array content
REAL, DIMENSION(:,:), ALLOCATABLE :: ZAP !Full-level Model Pressure (hPa)
REAL, DIMENSION(:,:), ALLOCATABLE :: ZAP_HL !Half-level Model Pressure (hPa)
REAL, DIMENSION(:,:,:), ALLOCATABLE :: ZCV !Temperature and cloud variable
!on full-level model
REAL, DIMENSION(:), ALLOCATABLE :: ZANGL !Satellite zenith angle (deg)
REAL, DIMENSION(:), ALLOCATABLE :: ZANGS !Solar zenith angle (deg)
! -----------------------------------------------------------------------------
! Jacobian fields
REAL, DIMENSION(:,:,:), ALLOCATABLE :: ZTEMPK, ZWVAPK
REAL, DIMENSION(:,:,:), ALLOCATABLE :: ZTEMPKP, ZTEMPKPP, ZWVAPKP, ZWVAPKPP
! -----------------------------------------------------------------------------
! INDEXES AND TEMPORAL ARRAYS FOR VECTORIZATION
INTEGER :: JIS, IBEG, IEND, IDIM, ICPT
INTEGER, DIMENSION(:), ALLOCATABLE :: IMSURFP
REAL, DIMENSION(:,:,:), ALLOCATABLE :: ZAVP, ZCVP
REAL, DIMENSION(:,:), ALLOCATABLE :: ZSAVP, ZSSVP, ZAPP, ZAP_HLP
REAL, DIMENSION(:,:), ALLOCATABLE :: ZZTMP, ZZTMPP
REAL, DIMENSION(:), ALLOCATABLE :: ZANGLP, ZREMISP
LOGICAL, DIMENSION(:), ALLOCATABLE :: GANGL
! -----------------------------------------------------------------------------
INTEGER :: INRAD = 2 ! INRAD=1 RADIANCE; INRAD=2 BRIGHTNESS TEMPERATURE
! -----------------------------------------------------------------------------
! Realistic maximum values for hydrometeor content in kg/kg
REAL :: ZRCMAX = 5.0E-03, ZRRMAX = 5.0E-03, ZRIMAX = 2.0E-03, ZRSMAX = 5.0E-03
! -----------------------------------------------------------------------------
INTEGER, DIMENSION(:), ALLOCATABLE :: IMSURF !Surface type index
INTEGER :: IKFBOT, IKFTOP, INDEX, ISUM, JLEV, JCH, IWATER, ICAN
REAL, DIMENSION(:), ALLOCATABLE :: ZTEXTR, ZQVEXTR !Array used in interpolation
REAL, DIMENSION(:), ALLOCATABLE :: ZQVSAT, ZVINT !Array used in interpolation
REAL, DIMENSION(:), ALLOCATABLE :: ZPSUM, ZTSUM, ZQVSUM, ZO3SUM !Array used in interpolation
REAL :: zconst, ZPS, ZTGRAD, ZQGRAD, ZOGRAD !variables used in interpolation
REAL, DIMENSION(:), ALLOCATABLE :: ZPIN, ZFIN, ZOUT
! variables for FMWRIT
INTEGER :: IRESP ! IRESP : return-code if a problem appears
! at the open of the file LFI routines
INTEGER :: IGRID ! IGRID : grid indicator
INTEGER :: ILENCH ! ILENCH : length of comment string
CHARACTER(LEN=16) :: YRECFM ! Name of the article to be written
CHARACTER(LEN=22) :: YCOMMENT ! Comment string
CHARACTER(LEN=8) :: YINST
CHARACTER(LEN=4) :: YBEG, YEND
CHARACTER(LEN=2) :: YCHAN, YTWO
CHARACTER(LEN=1) :: YONE
INTEGER, PARAMETER :: JPPLAT=16
CHARACTER(LEN=3), DIMENSION(JPPLAT) :: YPLAT= (/ &
'N ','D ','MET','GO ','GMS','FY2','TRM','ERS', &
'EOS','MTP','ENV','MSG','FY1','ADS','MTS','CRL' /)
CHARACTER(LEN=2), DIMENSION(2) :: YLBL_MVIRI = (/ 'WV', 'IR'/)
CHARACTER(LEN=3), DIMENSION(7) :: YLBL_SSMI = (/ &
'19V','19H','22V','37V','37H','85V','85H'/)
CHARACTER(LEN=3), DIMENSION(9) :: YLBL_TMI = (/ &
'10V','10H','19V','19H','22V','37V','37H','85V','85H'/)
CHARACTER(LEN=3), DIMENSION(8) :: YLBL_SEVIRI = (/ &
'039', '062','073','087','097','108','120','134'/)
CHARACTER(LEN=3), DIMENSION(4) :: YLBL_GOESI = (/ &
'039', '067','107','120'/)
! -----------------------------------------------------------------------------
!*JPC*VECTORIZATION
!! One profile per run
!! INTEGER (Kind=jpim) :: nprofiles = 1
INTEGER (Kind=jpim) :: nprofiles, ntruepro
!*JPC*VECTORIZATION
! RTTOV_readcoeffs interface
! ====================
INTEGER(Kind=jpim) :: errorstatus
INTEGER(Kind=jpim) :: instrument(3)
TYPE( rttov_coef ) :: coef ! coefficients
TYPE( rttov_scatt_coef ) :: coef_scatt
! RTTOV interface
! ====================
INTEGER(Kind=jpim), ALLOCATABLE :: rttov_errorstatus(:) ! rttov error return code
INTEGER(Kind=jpim) :: nfrequencies
INTEGER(Kind=jpim) :: nchannels
INTEGER(Kind=jpim) :: nbtout
INTEGER(Kind=jpim), ALLOCATABLE :: channels (:), n_chan(:)
INTEGER(Kind=jpim), ALLOCATABLE :: polarisations (:,:)
INTEGER(Kind=jpim), ALLOCATABLE :: frequencies (:)
INTEGER(Kind=jpim), ALLOCATABLE :: lprofiles (:),lsprofiles(:),lsprofiles2(:)
TYPE(profile_Type), ALLOCATABLE :: profiles(:)
TYPE(profile_cloud_type), ALLOCATABLE :: cld_profiles(:)
TYPE(transmission_type) :: transmission
LOGICAL :: addcloud = .FALSE.
LOGICAL, ALLOCATABLE :: calcemis(:)
REAL(Kind=jprb), ALLOCATABLE :: emissivity (:)
TYPE(radiance_cloud_type) :: radiance
REAL(Kind=jprb), ALLOCATABLE :: input_emissivity (:)
CHARACTER (len=6) :: NameOfRoutine = 'tstrad'
! RTTOV K/AD interface
! ====================
LOGICAL :: switchrad ! true if input is BT
TYPE(profile_Type), ALLOCATABLE :: profiles_k(:)
TYPE(profile_cloud_Type), ALLOCATABLE :: cld_profiles_k(:)
REAL(Kind=jprb), ALLOCATABLE :: emissivity_k (:)
! variables for input
! ====================
! Parameter for WV conversion used in all tstrad suite
REAL(Kind=jprb), PARAMETER :: q_mixratio_to_ppmv = 1.60771704e+6_JPRB
REAL(Kind=jprb), PARAMETER :: o3_mixratio_to_ppmv = 6.03504e+5_JPRB
INTEGER(Kind=jpim) :: alloc_status(40)
! - End of header --------------------------------------------------------
!!!----------------------------------------------------------------------------
!!!
!!!* 1. INITIALIZATION OF CONSTANTS FOR TRANSFERT CODE
!!! ----------------------------------------------
!!!
! JPC from refprof.dat
ZPRES=(/ 0.100, 0.290, 0.690, 1.420, 2.611, 4.407, &
6.950, 10.370, 14.810, 20.400, 27.260, 35.510, &
45.290, 56.730, 69.970, 85.180, 102.050, 122.040, &
143.840, 167.950, 194.360, 222.940, 253.710, 286.600, &
321.500, 358.280, 396.810, 436.950, 478.540, 521.460, &
565.540, 610.600, 656.430, 702.730, 749.120, 795.090, &
839.950, 882.800, 922.460, 957.440, 985.880, 1005.430, &
1013.250 /)
DO JK=1,JPLEV
JKRAD=JPLEV-JK+1
ZPRES_INV(JK)=ZPRES(JKRAD)*100. ! Conversion from hPa to Pa
END DO
errorstatus = 0
alloc_status(:) = 0
PRINT *,'NB OF SAT SIZE(KRTTOVINFO,1)=',SIZE(KRTTOVINFO,1)
PRINT *,'NB OF SAT SIZE(KRTTOVINFO,2)=',SIZE(KRTTOVINFO,2)
DO JSAT=1,SIZE(KRTTOVINFO,2)
IF (KRTTOVINFO(1,JSAT) /= NUNDEF) THEN
IJSAT = JSAT
END IF
END DO
JSAT=1
instrument(1)=KRTTOVINFO(1,JSAT)
instrument(2)=KRTTOVINFO(2,JSAT)
instrument(3)=KRTTOVINFO(3,JSAT)
PRINT *,'range(KRTTOVINFO(3,JSAT)) ',range(KRTTOVINFO(3,JSAT))
PRINT *,'range(instrument(3)) ',range(instrument(3))
CALL rttov_readcoeffs (errorstatus, coef, instrument)
CALL rttov_initcoeffs (errorstatus, coef)
switchrad = INRAD == 2
PRINT *,' RADIANCE OR TB CALCULATION: INRAD=',INRAD,' switchrad=',switchrad
!!!----------------------------------------------------------------------------
!!!
!!!* 2. COMPUTE DIMENSIONS OF ARRAYS AND OTHER INDICES
!!! ----------------------------------------------
IIU = SIZE(PTHT,1)
IJU = SIZE(PTHT,2)
IKU = SIZE(PTHT,3)
CALL GET_INDICE_ll (IIB,IJB,IIE,IJE)
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IKB = 1 + JPVEXT
IKE = IKU - JPVEXT
IKR = IKE - IKB +1
IKSTAE = SIZE(PSTATM,1)
IKUP = IKE-JPVEXT+1
!*JPC*VECTORIZATION
! Determine the number of profiles per RTTOV run
nprofiles = JPPF
!*JPC*VECTORIZATION
!!!----------------------------------------------------------------------------
!!!
!!!* 3. INITIALIZES THE MEAN-LAYER VARIABLES
!!! ------------------------------------
ALLOCATE(ZEXNT(SIZE(PTHT,1),SIZE(PTHT,2),SIZE(PTHT,3)))
ZEXNT(:,:,:)= ( PPABST(:,:,:)/XP00 ) ** (XRD/XCPD)
! Pressure
ALLOCATE(ZPAVE(KDLON,KFLEV))
DO JK=IKB,IKE
JKRAD = JK-JPVEXT
DO JJ=IJB,IJE
DO JI=IIB,IIE
IIJ = (JI-JPHEXT) + (IIE-IIB+1)*(JJ-IJB)
ZPAVE(IIJ,JKRAD) = PPABST(JI,JJ,JK)*0.01 !Pressure in hPa
END DO
END DO
END DO
! Temperature
ALLOCATE(ZTEMP(IIU,IJU,IKU))
ZTEMP=PTHT*ZEXNT
ALLOCATE(ZTAVE(KDLON,KFLEV))
DO JK=IKB,IKE
JKRAD = JK-JPVEXT
DO JJ=IJB,IJE
DO JI=IIB,IIE
IIJ = (JI-JPHEXT) + (IIE-IIB+1)*(JJ-IJB)
ZTAVE(IIJ,JKRAD) = ZTEMP(JI,JJ,JK)
END DO
END DO
END DO
! Water vapor
ALLOCATE(ZQVAVE(KDLON,KFLEV))
ZQVAVE(:,:) = 0.0
IF( SIZE(PRT(:,:,:,:),4) >= 1 ) THEN
DO JK=IKB,IKE
JKRAD = JK-JPVEXT
DO JJ=IJB,IJE
DO JI=IIB,IIE
IIJ = (JI-JPHEXT) + (IIE-IIB+1)*(JJ-IJB)
ZQVAVE(IIJ,JKRAD) = PRT(JI,JJ,JK,1)
END DO
END DO
END DO
END IF
! Ozone
ALLOCATE(ZO3AVE(KDLON,KFLEV))
ZSTAOZ(:) = PSTATM(:,6)/PSTATM(:,4)
ZSTAZZ(:) = 1000.0*PSTATM(:,1)
DO JJ = IJB,IJE
DO JK2 = IKB,IKE
JKRAD = JK2-JPVEXT
IKKOZ(:,JK2) = IKB-1
DO JK1 = 1,IKSTAE
DO JI = IIB,IIE
IKKOZ(JI,JK2)=IKKOZ(JI,JK2) + NINT(0.5 + SIGN(0.5, &
-ZSTAZZ(JK1)+0.5*(PZZ(JI,JJ,JK2)+PZZ(JI,JJ,JK2+1)) ))
END DO
END DO
DO JI = IIB,IIE
ZOZ=(0.5*(PZZ(JI,JJ,JK2)+PZZ(JI,JJ,JK2+1))- ZSTAZZ(IKKOZ(JI,JK2))) &
/( ZSTAZZ(IKKOZ(JI,JK2)+1) - ZSTAZZ(IKKOZ(JI,JK2)))
IIJ = (JI-JPHEXT) + (IIE-IIB+1)*(JJ-IJB)
ZO3AVE(IIJ,JKRAD) =( (1.- ZOZ) * ZSTAOZ(IKKOZ(JI,JK2)) &
+ ZOZ * ZSTAOZ(IKKOZ(JI,JK2)+1))
END DO
END DO
END DO
! Standard atmosphere extension
DO JK=IKUP,KFLEV
JK1 = (KSTATM-1)+(JK-IKUP)
JK2 = JK1+1
ZPAVE(:,JK) = 0.5*( PSTATM(JK1,2)+PSTATM(JK2,2) )
ZTAVE(:,JK) = 0.5*( PSTATM(JK1,3)+PSTATM(JK2,3) )
ZQVAVE(:,JK) = 0.5*( PSTATM(JK1,5)/PSTATM(JK1,4)+PSTATM(JK2,5)/PSTATM(JK2,4))
JK1 = (KSTATM)+(JK-IKUP)
ZO3AVE(:,JK) = ZSTAOZ(JK1)
END DO
!!!
!!!----------------------------------------------------------------------------
!!!
!!!* 4. INTERPOLATES THE ATMOSPHERIC VARIABLES ONTO THE RTTOV GRID
! ----------------------------------------------------------
!!!WITH INVERSION OF VERTICAL LEVELS!
ALLOCATE(ZAV(JPLEV,JPNAV,KDLON))
ALLOCATE(ZTEXTR(JPLEV))
ALLOCATE(ZQVEXTR(JPLEV))
ALLOCATE(ZVINT(JPLEV))
ISUM=JPLEV+KFLEV
ALLOCATE(ZPSUM(ISUM))
ALLOCATE(ZTSUM(ISUM))
ALLOCATE(ZQVSUM(ISUM))
ALLOCATE(ZO3SUM(ISUM))
ALLOCATE(ZQVSAT(ISUM))
ZPSUM(:)=0.
ZTSUM(:)=0.
ZQVSUM(:)=0.
ZO3SUM(:)=0.
ZQVSAT(:)=0.
zconst= 287./1005.
IWATER = coef % fmv_gas_pos( gas_id_watervapour )
DO JI=IIB,IIE
DO JJ=IJB,IJE
IIJ = (JI-JPHEXT) + (IIE-IIB+1)*(JJ-IJB)
ZPS=XP00*0.01 * & !Surface Pressure in hPa
(0.5*(ZEXNT(JI,JJ,IKB)+ZEXNT(JI,JJ,IKB-1)))**(XCPD/XRD)
DO JK=1,KFLEV
JKRAD = KFLEV-JK+1 !INVERSION OF VERTICAL LEVELS!
ZPSUM(JKRAD)=ZPAVE(IIJ,JK)
ZTSUM(JKRAD)=ZTAVE(IIJ,JK)
ZQVSUM(JKRAD)=ZQVAVE(IIJ,JK)
ZO3SUM(JKRAD)=ZO3AVE(IIJ,JK)
END DO
ZTSUM(KFLEV+1)=ZTAVE(IIJ,1)
ZQVSUM(KFLEV+1)=ZQVAVE(IIJ,1)
IKFBOT=0
DO JKF=1,JPLEV
IF (ZPRES(JKF) > ZPS) THEN
IKFBOT=JKF
EXIT
END IF
END DO
INDEX = KFLEV
IF (IKFBOT /= 0) THEN
!!!-----Extrapolates temperature below surface pressure-------------------
INDEX=JPLEV-IKFBOT+1
INDEX=INDEX+KFLEV+1
ZTSUM((KFLEV+2):INDEX) = PTSRAD(JI,JJ)
ZPSUM((KFLEV+1))=ZPS
ZPSUM((KFLEV+2):INDEX)=ZPRES(IKFBOT:JPLEV)
ZO3SUM((KFLEV+2):INDEX)=ZO3AVE(IIJ,1)
END IF
!!!-----Extrapolates profile above highest declared level-----------------
!!!----- => linear extrapolation -----------------------------------------
IKFTOP = 1
DO JLEV=1,INDEX
IF(ZPRES(JLEV) >= ZPAVE(IIJ,KFLEV) ) EXIT
IKFTOP = IKFTOP + 1
END DO
IF (IKFTOP /= 1) THEN
ZTGRAD = (ZTSUM(1) - ZTSUM(2)) / (ZPSUM(1)-ZPSUM(2))
ZQGRAD = (ZQVSUM(1) - ZQVSUM(2)) / (ZPSUM(1)-ZPSUM(2))
ZOGRAD = (ZO3SUM(1) - ZO3SUM(2)) / (ZPSUM(1)-ZPSUM(2))
DO JLEV=INDEX, 1, -1
ZTSUM(JLEV+IKFTOP-1) = ZTSUM(JLEV)
ZQVSUM(JLEV+IKFTOP-1) = ZQVSUM(JLEV)
ZO3SUM(JLEV+IKFTOP-1) = ZO3SUM(JLEV)
ZPSUM(JLEV+IKFTOP-1) = ZPSUM(JLEV)
END DO
INDEX = INDEX + IKFTOP-1
DO JLEV=1,IKFTOP-1
ZPSUM(JLEV) = ZPRES(JLEV)
ZTSUM(JLEV) = ZTSUM(IKFTOP) &
+ ZTGRAD * (ZPSUM(JLEV) - ZPSUM(IKFTOP))
ZQVSUM(JLEV) = ZQVSUM(IKFTOP) &
+ ZQGRAD * (ZPSUM(JLEV) - ZPSUM(IKFTOP))
ZO3SUM(JLEV) = ZO3SUM(IKFTOP) &
+ ZOGRAD * (ZPSUM(JLEV) - ZPSUM(IKFTOP))
END DO
ENDIF
!!!-----Interpolates to given pressure grid-------------------------------
ALLOCATE(ZPIN(INDEX))
ALLOCATE(ZFIN(INDEX))
ALLOCATE(ZOUT(JPLEV))
DO JLEV=1,INDEX
JKRAD=INDEX-JLEV+1
ZPIN(JKRAD) = ZPSUM(JLEV)*100.
ZFIN(JKRAD) = ZTSUM(JLEV)
END DO
CALL PINTER(ZFIN, ZPIN, ZFIN, ZFIN, ZOUT, ZPRES_INV, &
1, 1, INDEX, 1, JPLEV, 'LOG', 'RHU.')
DO JLEV=1,JPLEV
JKRAD=JPLEV-JLEV+1
ZVINT(JKRAD) = ZOUT(JLEV)
END DO
ZAV(:,1,IIJ)= ZVINT(:) ! temperature K
DO JLEV=1,INDEX
JKRAD=INDEX-JLEV+1
ZFIN(JKRAD) = ZQVSUM(JLEV)
END DO
CALL PINTER(ZFIN, ZPIN, ZFIN, ZFIN, ZOUT, ZPRES_INV, &
1, 1, INDEX, 1, JPLEV, 'LOG', 'RHU.')
DO JLEV=1,JPLEV
JKRAD=JPLEV-JLEV+1
ZVINT(JKRAD) = ZOUT(JLEV)
END DO
ZAV(:,2,IIJ)= ZVINT(:)*q_mixratio_to_ppmv ! water vapor mr ppmv
DO JLEV=1,INDEX
JKRAD=INDEX-JLEV+1
ZFIN(JKRAD) = ZO3SUM(JLEV)
END DO
CALL PINTER(ZFIN, ZPIN, ZFIN, ZFIN, ZOUT, ZPRES_INV, &
1, 1, INDEX, 1, JPLEV, 'LOG', 'RHU.')
DO JLEV=1,JPLEV
JKRAD=JPLEV-JLEV+1
ZVINT(JKRAD) = ZOUT(JLEV)
END DO
ZAV(:,3,IIJ)= ZVINT(:)*o3_mixratio_to_ppmv ! ozone mixing ratio ppmv
DO JLEV=1,JPLEV
ZAV(JLEV,1,IIJ)= MAX(coef%lim_prfl_tmin(JLEV), &
MIN(coef%lim_prfl_tmax(JLEV),ZAV(JLEV,1,IIJ)))
ZAV(JLEV,2,IIJ)= MAX(coef%lim_prfl_gmin(JLEV,IWATER), &
MIN(coef%lim_prfl_gmax(JLEV,IWATER),ZAV(JLEV,2,IIJ)))
END DO
DEALLOCATE(ZPIN,ZFIN,ZOUT)
END DO
END DO
DEALLOCATE(ZVINT)
DEALLOCATE(ZPAVE,ZTAVE,ZQVAVE,ZO3AVE)
!
!--------------------------------------------------------------------------
!
!* 6. CALLS THE RTTOV RADIATION CODE
! ------------------------------
!
!* 6.1 INITIALIZES 2D AND SURFACE FIELDS
!
!
ALLOCATE(ZANGS(KDLON))
ZANGS(:)=0. ! zenithal solar angle not used
!
ALLOCATE(IMSURF(KDLON))
DO JJ=IJB,IJE
DO JI=IIB,IIE
IIJ = (JI-JPHEXT) + (IIE-IIB+1)*(JJ-IJB)
IMSURF(IIJ) = NINT(XSEA(JI,JJ)) ! Surface Mask 0=land, 1=sea, 2=sea-ice