!

! $Id: surf_ocean_mod.F90 4526 2023-05-08 12:35:08Z evignon $

!

MODULE surf_ocean_mod

  IMPLICIT NONE

CONTAINS

  !

  !******************************************************************************

  !

       windsp, rmu0, fder, tsurf_in, &

       itime, dtime, jour, knon, knindex, &

       p1lay, z1lay, cdragh, cdragm, precip_rain, precip_snow, precip_bs, temp_air, spechum, &

       AcoefH, AcoefQ, BcoefH, BcoefQ, &

       AcoefU, AcoefV, BcoefU, BcoefV, &

       snow, qsurf, agesno, &

       tsurf_new, dflux_s, dflux_l, lmt_bils, &

    use albedo, only: alboc, alboc_cd

    use bulk_flux_m, only: bulk_flux

    USE dimphy, ONLY: klon, zmasq

    USE surface_data, ONLY     : type_ocean

    USE ocean_forced_mod, ONLY : ocean_forced_noice

    USE ocean_slab_mod, ONLY   : ocean_slab_noice

    USE ocean_cpl_mod, ONLY    : ocean_cpl_noice

    USE indice_sol_mod, ONLY : nbsrf, is_oce

    USE limit_read_mod

    use config_ocean_skin_m, only: activate_ocean_skin

    !

    ! This subroutine will make a call to ocean_XXX_noice according to the ocean mode (force,

    ! slab or couple). The calculations of albedo and rugosity for the ocean surface are

    ! done in here because they are identical for the different modes of ocean.

    INCLUDE "YOMCST.h"

    include "clesphys.h"

    ! for cycle_diurne and for iflag_z0_oce==-1 (prescribed z0)

    ! Input variables

    !******************************************************************************

    INTEGER, INTENT(IN)                      :: itime, jour, knon

    INTEGER, DIMENSION(klon), INTENT(IN)     :: knindex

    REAL, INTENT(IN)                         :: dtime

    REAL, DIMENSION(klon), INTENT(IN)        :: rlon, rlat

    REAL, DIMENSION(klon), INTENT(IN)        :: swnet  ! net shortwave radiation at surface

    REAL, DIMENSION(klon), INTENT(IN)        :: lwnet  ! net longwave radiation at surface

    REAL, DIMENSION(klon), INTENT(IN)        :: alb1   ! albedo in visible SW interval

    REAL, DIMENSION(klon), INTENT(IN)        :: windsp ! wind at 10 m, in m s-1

    REAL, DIMENSION(klon), INTENT(IN)        :: rmu0

    REAL, DIMENSION(klon), INTENT(IN)        :: fder

    REAL, DIMENSION(klon), INTENT(IN)        :: tsurf_in     ! defined only for subscripts 1:knon

    REAL, DIMENSION(klon), INTENT(IN)        :: p1lay,z1lay ! pression (Pa) et altitude (m) du premier niveau

    REAL, DIMENSION(klon), INTENT(IN)        :: cdragh

    REAL, DIMENSION(klon), INTENT(IN)        :: cdragm

    REAL, DIMENSION(klon), INTENT(IN)        :: precip_rain, precip_snow, precip_bs

    REAL, DIMENSION(klon), INTENT(IN)        :: temp_air, spechum

    REAL, DIMENSION(klon), INTENT(IN)        :: AcoefH, AcoefQ, BcoefH, BcoefQ

    REAL, DIMENSION(klon), INTENT(IN)        :: AcoefU, AcoefV, BcoefU, BcoefV

    REAL, DIMENSION(klon), INTENT(IN)        :: ps

    REAL, DIMENSION(klon), INTENT(IN)        :: u1, v1, gustiness

    REAL, DIMENSION(klon), INTENT(IN)        :: rugoro

    REAL, DIMENSION(klon,nbsrf), INTENT(IN)  :: pctsrf

    ! In/Output variables

    !******************************************************************************

    REAL, DIMENSION(klon), INTENT(INOUT)     :: snow

    REAL, DIMENSION(klon), INTENT(INOUT)     :: qsurf

    REAL, DIMENSION(klon), INTENT(INOUT)     :: agesno

    REAL, DIMENSION(klon), INTENT(inOUT)     :: z0h

    REAL, intent(inout):: delta_sst(:) ! (knon)

    ! Ocean-air interface temperature minus bulk SST, in K. Defined

    ! only if activate_ocean_skin >= 1.

    real, intent(inout):: delta_sal(:) ! (knon)

    ! Ocean-air interface salinity minus bulk salinity, in ppt. Defined

    ! only if activate_ocean_skin >= 1.

    REAL, intent(inout):: ds_ns(:) ! (knon)

    ! "delta salinity near surface". Salinity variation in the

    ! near-surface turbulent layer. That is subskin salinity minus

    ! foundation salinity. In ppt.

    REAL, intent(inout):: dt_ns(:) ! (knon)

    ! "delta temperature near surface". Temperature variation in the

    ! near-surface turbulent layer. That is subskin temperature

    ! minus foundation temperature. (Can be negative.) In K.

    REAL, intent(inout):: dter(:) ! (knon)

    ! Temperature variation in the diffusive microlayer, that is

    ! ocean-air interface temperature minus subskin temperature. In

    ! K.

    REAL, intent(inout):: dser(:) ! (knon)

    ! Salinity variation in the diffusive microlayer, that is

    ! ocean-air interface salinity minus subskin salinity. In ppt.

    real, intent(inout):: dt_ds(:) ! (knon)

    ! (tks / tkt) * dTer, in K

    ! Output variables

    !**************************************************************************

    REAL, DIMENSION(klon), INTENT(OUT)       :: z0m

    !albedo SB >>>

    !    REAL, DIMENSION(klon), INTENT(OUT)  :: alb1_new  ! new albedo in visible SW interval

    !    REAL, DIMENSION(klon), INTENT(OUT)  :: alb2_new  ! new albedo in near IR interval

    REAL, DIMENSION(6), INTENT(IN)           :: SFRWL

    REAL, DIMENSION(klon,nsw), INTENT(OUT)   :: alb_dir_new,alb_dif_new

    !albedo SB <<<

    REAL, DIMENSION(klon), INTENT(OUT)       :: evap, fluxsens, fluxlat

    REAL, DIMENSION(klon), INTENT(OUT)       :: tsurf_new    ! sea surface temperature, in K

    REAL, DIMENSION(klon), INTENT(OUT)       :: dflux_s, dflux_l

    REAL, DIMENSION(klon), INTENT(OUT)       :: lmt_bils

    REAL, DIMENSION(klon), INTENT(OUT)       :: flux_u1, flux_v1

    REAL, intent(out):: tkt(:) ! (knon)

    ! �paisseur (m) de la couche de diffusion thermique (microlayer)

    ! cool skin thickness

    REAL, intent(out):: tks(:) ! (knon)

    ! �paisseur (m) de la couche de diffusion de masse (microlayer)

    REAL, intent(out):: taur(:) ! (knon)

    ! momentum flux due to rain, in Pa

    real, intent(out):: sss(:) ! (klon)

    ! Bulk salinity of the surface layer of the ocean, in ppt. (Only

    ! defined for subscripts 1:knon, but we have to declare it with

    ! size klon because of the coupling machinery.)

    ! Local variables

    !*************************************************************************

    INTEGER               :: i, k

    REAL                  :: tmp

    REAL, PARAMETER       :: cepdu2=(0.1)**2

    CHARACTER(len=20),PARAMETER :: modname="surf_ocean"

    !**************************************************************************

    !******************************************************************************

    ! Calculate total net radiance at surface

    !

    !******************************************************************************

    !****************************************************************************************

    !Total solid precip

    ELSE

    ENDIF

    !******************************************************************************

    ! Cdragq computed from cdrag

    ! The difference comes only from a factor (f_z0qh_oce) on z0, so that

    ! it can be computed inside surf_ocean

    ! More complicated appraches may require the propagation through

    ! pbl_surface of an independant cdragq variable.

    !******************************************************************************

       ! Si on suit les formulations par exemple de Tessel, on

       ! a z0h=0.4*nu/u*, z0q=0.62*nu/u*, d'ou f_z0qh_oce=0.62/0.4=1.55

       cdragq(1:knon)=cdragh(1:knon)*                                      &

    ELSE

    ENDIF

    !******************************************************************************

    ! Switch according to type of ocean (couple, slab or forced)

    !******************************************************************************

    CASE('couple')

       CALL ocean_cpl_noice( &

            swnet, lwnet, alb1, &

            windsp, fder, &

            itime, dtime, knon, knindex, &

            p1lay, cdragh, cdragq, cdragm, precip_rain, precip_totsnow,temp_air,spechum,&

            AcoefH, AcoefQ, BcoefH, BcoefQ, &

            AcoefU, AcoefV, BcoefU, BcoefV, &

            ps, u1, v1, gustiness, tsurf_in, &

            radsol, snow, agesno, &

            qsurf, evap, fluxsens, fluxlat, flux_u1, flux_v1, &

            tsurf_new, dflux_s, dflux_l, sens_prec_liq, sss, delta_sal, rhoa, &

    CASE('slab')

       CALL ocean_slab_noice( &

            itime, dtime, jour, knon, knindex, &

            p1lay, cdragh, cdragq, cdragm, precip_rain, precip_totsnow, temp_air, spechum,&

            AcoefH, AcoefQ, BcoefH, BcoefQ, &

            AcoefU, AcoefV, BcoefU, BcoefV, &

            ps, u1, v1, gustiness, tsurf_in, &

            radsol, snow, &

            qsurf, evap, fluxsens, fluxlat, flux_u1, flux_v1, &

    CASE('force')

       CALL ocean_forced_noice( &

            itime, dtime, jour, knon, knindex, &

            p1lay, cdragh, cdragq, cdragm, precip_rain, precip_totsnow, &

            temp_air, spechum, &

            AcoefH, AcoefQ, BcoefH, BcoefQ, &

            AcoefU, AcoefV, BcoefU, BcoefV, &

            ps, u1, v1, gustiness, tsurf_in, &

            radsol, snow, agesno, &

            qsurf, evap, fluxsens, fluxlat, flux_u1, flux_v1, &

    END SELECT

    !******************************************************************************

    ! fcodron: compute lmt_bils  forced case (same as wfbils_oce / 1.-contfracatm)

    !******************************************************************************

          lmt_bils(knindex(i))=(swnet(i)+lwnet(i)+fluxsens(i)+fluxlat(i)) &

       END DO

    END IF

    !******************************************************************************

    ! Calculate ocean surface albedo

    !******************************************************************************

    !albedo SB >>>

       !--old parametrizations of ocean surface albedo

       !

          !

          !

          !--ad-hoc correction for model radiative balance tuning

          !--now outside alboc_cd routine

          !

       ELSE

          !

          !--ad-hoc correction for model radiative balance tuning

          !--now outside alboc routine

          !

       ENDIF

       !

          ENDDO

       ENDDO

       !IM 09122015 next line corresponds to the old way of doing in LMDZ5A/IPSLCM5A versions

       !albedo for diffuse radiation is taken the same as for direct radiation

       !IM 09122015 end

       !

       !--new parametrization of ocean surface albedo by Sunghye Baek

       !--albedo for direct and diffuse radiation are different

       !

       !

       !--ad-hoc correction for model radiative balance tuning

       !

       ! F. Codron albedo read from limit.nc

       CALL limit_read_rug_alb(itime, dtime, jour,&

          ENDDO

       ENDDO

    ENDIF

    !albedo SB <<<

    !******************************************************************************

    ! Calculate the rugosity

    !******************************************************************************

          z0m(i) = 0.018*cdragm(i) * (gustiness(i)+u1(i)**2+v1(i)**2)/RG  &

       ENDDO

          z0m(i) = 0.018*cdragm(i) * (gustiness(i)+u1(i)**2+v1(i)**2)/RG  &

       ENDDO

       ENDDO

    ELSE

    ENDIF

       call bulk_flux(tkt, tks, taur, dter, dser, t_int, s_int, ds_ns, dt_ns, &

            u = windsp(:knon), t_ocean_1 = tsurf_new(:knon), s1 = sss(:knon), &

            rain = precip_rain(:knon) + precip_totsnow(:knon), &

            hf = - fluxsens(:knon), hlb = - fluxlat(:knon), &

            rnl = - lwnet(:knon), &

            tau = sqrt(flux_u1(:knon)**2 + flux_v1(:knon)**2), rhoa = rhoa, &

            xlv = [(rlvtt, i = 1, knon)], rf = - sens_prec_liq, dtime = dtime, &

       end if

    end if

  !****************************************************************************

  !

END MODULE surf_ocean_mod