coupling_naturen.F90

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!SFX_LIC Copyright 1994-2014 CNRS, Meteo-France and Universite Paul Sabatier
!SFX_LIC This is part of the SURFEX software governed by the CeCILL-C licence
!SFX_LIC version 1. See LICENSE, CeCILL-C_V1-en.txt and CeCILL-C_V1-fr.txt  
!SFX_LIC for details. version 1.
!     ###############################################################################
SUBROUTINE coupling_nature_n (DTCO, UG, U, USS, IM, DTZ, DGO, DL, DLC, NDST, SLT, &
                              HPROGRAM, HCOUPLING, PTIMEC, PTSTEP, KYEAR, KMONTH, KDAY, PTIME, &
                              KI, KSV, KSW, PTSUN, PZENITH, PZENITH2, PAZIM, PZREF, PUREF, PZS,&
                              PU, PV, PQA, PTA, PRHOA, PSV, PCO2, HSV, PRAIN, PSNOW, PLW,      &
                              PDIR_SW, PSCA_SW, PSW_BANDS, PPS, PPA, PSFTQ, PSFTH, PSFTS,      &
                              PSFCO2, PSFU, PSFV, PTRAD, PDIR_ALB, PSCA_ALB, PEMIS, PTSURF,    &
                              PZ0, PZ0H, PQSURF, PPEW_A_COEF, PPEW_B_COEF, PPET_A_COEF,        &
                              PPEQ_A_COEF, PPET_B_COEF, PPEQ_B_COEF, HTEST  )  
!     ###############################################################################
!
!!****  *COUPLING_NATURE_n * - Chooses the surface schemes for natural continental parts  
!!
!!    PURPOSE
!!    -------
!
!!**  METHOD
!!    ------
!!
!!    REFERENCE
!!    ---------
!!      
!!
!!    AUTHOR
!!    ------
!!     V. Masson 
!!
!!    MODIFICATIONS
!!    -------------
!!      Original    01/2004
!!      B. Decharme  04/2013 new coupling variables
!!      P. Le Moigne 03/2015 tsz0 time management
!!--------------------------------------------------------------------
!
USE modd_surfex_n, ONLY : isba_model_t
!
USE modd_data_cover_n, ONLY : data_cover_t
USE modd_surf_atm_grid_n, ONLY : surf_atm_grid_t
USE modd_surf_atm_n, ONLY : surf_atm_t
USE modd_sso_n, ONLY : sso_t
USE modd_data_tsz0_n, ONLY : data_tsz0_t
USE modd_diag_n, ONLY : diag_t, diag_options_t
USE modd_dst_n, ONLY : dst_np_t
USE modd_slt_n, ONLY : slt_t
!
USE modd_csts,       ONLY : xtt
!
USE yomhook   ,ONLY : lhook,   dr_hook
USE parkind1  ,ONLY : jprb
!
USE modi_coupling_ideal_flux
!
USE modi_coupling_isba_svat_n
!
USE modi_coupling_tsz0_n
!
IMPLICIT NONE
!
!*      0.1    declarations of arguments
!
TYPE(isba_model_t), INTENT(INOUT) :: IM
TYPE(data_cover_t), INTENT(INOUT) :: DTCO
TYPE(surf_atm_grid_t), INTENT(INOUT) :: UG
TYPE(surf_atm_t), INTENT(INOUT) :: U
TYPE(sso_t), INTENT(INOUT) :: USS
TYPE(data_tsz0_t), INTENT(INOUT) :: DTZ
TYPE(diag_options_t), INTENT(IN) :: DGO
TYPE(diag_t), INTENT(INOUT) :: DL
TYPE(diag_t), INTENT(INOUT) :: DLC
TYPE(dst_np_t), INTENT(INOUT) :: NDST
TYPE(slt_t), INTENT(INOUT) :: SLT
!
 CHARACTER(LEN=6),    INTENT(IN)  :: HPROGRAM  ! program calling surf. schemes
 CHARACTER(LEN=1),    INTENT(IN)  :: HCOUPLING ! type of coupling
                                              ! 'E' : explicit
                                              ! 'I' : implicit
REAL,                INTENT(IN)  :: PTIMEC    ! cumulated time since beginning of simulation
INTEGER,             INTENT(IN)  :: KYEAR     ! current year (UTC)
INTEGER,             INTENT(IN)  :: KMONTH    ! current month (UTC)
INTEGER,             INTENT(IN)  :: KDAY      ! current day (UTC)
REAL,                INTENT(IN)  :: PTIME     ! current time since midnight (UTC, s)
INTEGER,             INTENT(IN)  :: KI        ! number of points
INTEGER,             INTENT(IN)  :: KSV       ! number of scalars
INTEGER,             INTENT(IN)  :: KSW       ! number of short-wave spectral bands
REAL, DIMENSION(KI), INTENT(IN)  :: PTSUN     ! solar time                    (s from midnight)
REAL,                INTENT(IN)  :: PTSTEP    ! atmospheric time-step                 (s)
REAL, DIMENSION(KI), INTENT(IN)  :: PZREF     ! height of T,q forcing                 (m)
REAL, DIMENSION(KI), INTENT(IN)  :: PUREF     ! height of wind forcing                (m)
!
REAL, DIMENSION(KI), INTENT(IN)  :: PTA       ! air temperature forcing               (K)
REAL, DIMENSION(KI), INTENT(IN)  :: PQA       ! air humidity forcing                  (kg/m3)
REAL, DIMENSION(KI), INTENT(IN)  :: PRHOA     ! air density                           (kg/m3)
REAL, DIMENSION(KI,KSV),INTENT(IN) :: PSV     ! scalar variables
!                                             ! chemistry:   first char. in HSV: '#'  (molecule/m3)
!                                             !
 CHARACTER(LEN=6), DIMENSION(KSV),INTENT(IN):: HSV  ! name of all scalar variables
REAL, DIMENSION(KI), INTENT(IN)  :: PU        ! zonal wind                            (m/s)
REAL, DIMENSION(KI), INTENT(IN)  :: PV        ! meridian wind                         (m/s)
REAL, DIMENSION(KI,KSW),INTENT(IN) :: PDIR_SW ! direct  solar radiation (on horizontal surf.)
!                                             !                                       (W/m2)
REAL, DIMENSION(KI,KSW),INTENT(IN) :: PSCA_SW ! diffuse solar radiation (on horizontal surf.)
!                                             !                                       (W/m2)
REAL, DIMENSION(KSW),INTENT(IN)  :: PSW_BANDS ! mean wavelength of each shortwave band (m)
REAL, DIMENSION(KI), INTENT(IN)  :: PZENITH   ! zenithal angle at t      (radian from the vertical)
REAL, DIMENSION(KI), INTENT(IN)  :: PZENITH2  ! zenithal angle at t+1      (radian from the vertical)
REAL, DIMENSION(KI), INTENT(IN)  :: PAZIM     ! azimuthal angle      (radian from North, clockwise)
REAL, DIMENSION(KI), INTENT(IN)  :: PLW       ! longwave radiation (on horizontal surf.)
!                                             !                                       (W/m2)
REAL, DIMENSION(KI), INTENT(IN)  :: PPS       ! pressure at atmospheric model surface (Pa)
REAL, DIMENSION(KI), INTENT(IN)  :: PPA       ! pressure at forcing level             (Pa)
REAL, DIMENSION(KI), INTENT(IN)  :: PZS       ! atmospheric model orography           (m)
REAL, DIMENSION(KI), INTENT(IN)  :: PCO2      ! CO2 concentration in the air          (kg/m3)
REAL, DIMENSION(KI), INTENT(IN)  :: PSNOW     ! snow precipitation                    (kg/m2/s)
REAL, DIMENSION(KI), INTENT(IN)  :: PRAIN     ! liquid precipitation                  (kg/m2/s)
!
!
REAL, DIMENSION(KI), INTENT(OUT) :: PSFTH     ! flux of heat                          (W/m2)
REAL, DIMENSION(KI), INTENT(OUT) :: PSFTQ     ! flux of water vapor                   (kg/m2/s)
REAL, DIMENSION(KI), INTENT(OUT) :: PSFU      ! zonal momentum flux                   (Pa)
REAL, DIMENSION(KI), INTENT(OUT) :: PSFV      ! meridian momentum flux                (Pa)
REAL, DIMENSION(KI), INTENT(OUT) :: PSFCO2    ! flux of CO2                           (m/s*kg_CO2/kg_air)
REAL, DIMENSION(KI,KSV),INTENT(OUT):: PSFTS   ! flux of scalar var.                   (kg/m2/s)
!
REAL, DIMENSION(KI), INTENT(OUT) :: PTRAD     ! radiative temperature                 (K)
REAL, DIMENSION(KI,KSW),INTENT(OUT):: PDIR_ALB! direct albedo for each spectral band  (-)
REAL, DIMENSION(KI,KSW),INTENT(OUT):: PSCA_ALB! diffuse albedo for each spectral band (-)
REAL, DIMENSION(KI), INTENT(OUT) :: PEMIS     ! emissivity                            (-)
!
REAL, DIMENSION(KI), INTENT(OUT) :: PTSURF    ! surface effective temperature         (K)
REAL, DIMENSION(KI), INTENT(OUT) :: PZ0       ! roughness length for momentum         (m)
REAL, DIMENSION(KI), INTENT(OUT) :: PZ0H      ! roughness length for heat             (m)
REAL, DIMENSION(KI), INTENT(OUT) :: PQSURF    ! specific humidity at surface          (kg/kg)
!
REAL, DIMENSION(KI), INTENT(IN) :: PPEW_A_COEF! implicit coefficients
REAL, DIMENSION(KI), INTENT(IN) :: PPEW_B_COEF! needed if HCOUPLING='I'
REAL, DIMENSION(KI), INTENT(IN) :: PPET_A_COEF
REAL, DIMENSION(KI), INTENT(IN) :: PPEQ_A_COEF
REAL, DIMENSION(KI), INTENT(IN) :: PPET_B_COEF
REAL, DIMENSION(KI), INTENT(IN) :: PPEQ_B_COEF
 CHARACTER(LEN=2),    INTENT(IN) :: HTEST ! must be equal to 'OK'
REAL(KIND=JPRB) :: ZHOOK_HANDLE
!
!*      0.2    declarations of local variables
!
!-------------------------------------------------------------------------------------
!
IF (lhook) CALL dr_hook('COUPLING_NATURE_N',0,zhook_handle)
IF (u%CNATURE=='ISBA  ') THEN
  CALL coupling_isba_svat_n(dtco, ug, u, uss, im, ndst, slt, hprogram, hcoupling,  ptstep,    &
                            kyear, kmonth, kday, ptime, ki, ksv, ksw,  ptsun, pzenith,       &
                            pzenith2, pazim, pzref, puref, pzs, pu, pv, pqa, pta, prhoa, psv,&
                            pco2, hsv, prain, psnow, plw, pdir_sw, psca_sw, psw_bands, pps,  &
                            ppa, psftq, psfth, psfts, psfco2, psfu, psfv, ptrad, pdir_alb,   &
                            psca_alb, pemis, ptsurf, pz0, pz0h, pqsurf, ppew_a_coef,         &
                            ppew_b_coef, ppet_a_coef, ppeq_a_coef, ppet_b_coef, ppeq_b_coef,'OK')  
ELSE IF (u%CNATURE=='TSZ0  ') THEN
  CALL coupling_tsz0_n(dtco, ug, u, uss, im, dtz,  ndst, slt,     &
                       hprogram, hcoupling, ptstep, kyear, kmonth, kday, ptimec, ki,    &
                       ksv, ksw, ptsun, pzenith,  pzenith2, pazim, pzref, puref, pzs,   &
                       pu, pv, pqa, pta, prhoa, psv, pco2, hsv, prain, psnow, plw,      &
                       pdir_sw, psca_sw, psw_bands, pps, ppa, psftq, psfth, psfts,      &
                       psfco2, psfu, psfv, ptrad, pdir_alb, psca_alb, pemis, ptsurf,    &
                       pz0, pz0h, pqsurf, ppew_a_coef, ppew_b_coef,  ppet_a_coef,       &
                       ppeq_a_coef, ppet_b_coef, ppeq_b_coef, 'OK'    )  
ELSE IF (u%CNATURE=='FLUX  ') THEN
  CALL coupling_ideal_flux(dgo, dl, dlc, hprogram, hcoupling, ptimec, ptstep, kyear, &
                           kmonth, kday, ptime, ki, ksv, ksw,  ptsun, pzenith, pazim,  &
                           pzref, puref, pzs, pu, pv, pqa, pta, prhoa, psv, pco2, hsv, &
                           prain, psnow, plw, pdir_sw, psca_sw, psw_bands, pps, ppa,   &
                           psftq, psfth, psfts, psfco2, psfu, psfv, ptrad, pdir_alb,   &
                           psca_alb, pemis, ptsurf, pz0, pz0h, pqsurf, ppew_a_coef,    &
                           ppew_b_coef, ppet_a_coef, ppeq_a_coef, ppet_b_coef,         &
                           ppeq_b_coef, 'OK'   )  
ELSE IF (u%CNATURE=='NONE  ') THEN
  psfth = 0.
  psftq = 0.
  psfts = 0.
  psfu  = 0.
  psfv  = 0.
  psfco2= 0.
!
  ptrad = xtt
  pdir_alb = 0.
  psca_alb = 0.
  pemis   = 1.
!  
  ptsurf = xtt
  pz0    = 0.01
  pz0h   = 0.001
  pqsurf = 0.0
!  
END IF
IF (lhook) CALL dr_hook('COUPLING_NATURE_N',1,zhook_handle)
!
!-------------------------------------------------------------------------------------
!
END SUBROUTINE coupling_nature_n