!> @file sum_up_3d_data.f90
!------------------------------------------------------------------------------!
! This file is part of the PALM model system.
!
! PALM is free software: you can redistribute it and/or modify it under the
! terms of the GNU General Public License as published by the Free Software
! Foundation, either version 3 of the License, or (at your option) any later
! version.
!
! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
! A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
!
! You should have received a copy of the GNU General Public License along with
! PALM. If not, see <http://www.gnu.org/licenses/>.
!
! Copyright 1997-2018 Leibniz Universitaet Hannover
!------------------------------------------------------------------------------!
!
! Current revisions:
! -----------------
! 
! 
! Former revisions:
! -----------------
! $Id: sum_up_3d_data.f90 2766 2018-01-22 17:17:47Z raasch $
! Removed preprocessor directive __chem
! 
! 2743 2018-01-12 16:03:39Z suehring
! In case of natural- and urban-type surfaces output surfaces fluxes in W/m2.
! 
! 2742 2018-01-12 14:59:47Z suehring
! Enable output of surface temperature
! 
! 2735 2018-01-11 12:01:27Z suehring
! output of r_a moved from land-surface to consider also urban-type surfaces
! 
! 2718 2018-01-02 08:49:38Z maronga
! Corrected "Former revisions" section
! 
! 2696 2017-12-14 17:12:51Z kanani
! - Change in file header (GPL part)
! - Implementation of uv exposure model (FK)
! - output of diss_av, kh_av, km_av (turbulence_closure_mod) (TG)
! - Implementation of chemistry module (FK)
! - Workaround for sum-up usm arrays in case of restart runs, to avoid program 
!   crash (MS)
! 
! 2292 2017-06-20 09:51:42Z schwenkel
! Implementation of new microphysic scheme: cloud_scheme = 'morrison' 
! includes two more prognostic equations for cloud drop concentration (nc)  
! and cloud water content (qc). 
! 
! 2233 2017-05-30 18:08:54Z suehring
!
! 2232 2017-05-30 17:47:52Z suehring
! Adjustments to new surface concept
! 
! 2031 2016-10-21 15:11:58Z knoop
! renamed variable rho to rho_ocean and rho_av to rho_ocean_av
! 
! 2024 2016-10-12 16:42:37Z kanani
! Added missing CASE for ssws*
! 
! 2011 2016-09-19 17:29:57Z kanani
! Flag urban_surface is now defined in module control_parameters,
! changed prefix for urban surface model output to "usm_",
! introduced control parameter varnamelength for LEN of trimvar.
! 
! 2007 2016-08-24 15:47:17Z kanani
! Added support for new urban surface model (temporary modifications of 
! SELECT CASE ( ) necessary, see variable trimvar),
! added comments in variable declaration section
! 
! 2000 2016-08-20 18:09:15Z knoop
! Forced header and separation lines into 80 columns
! 
! 1992 2016-08-12 15:14:59Z suehring
! Bugfix in summation of passive scalar
! 
! 1976 2016-07-27 13:28:04Z maronga
! Radiation actions are now done directly in the respective module
! 
! 1972 2016-07-26 07:52:02Z maronga
! Land surface actions are now done directly in the respective module
! 
! 1960 2016-07-12 16:34:24Z suehring
! Scalar surface flux added
! 
! 1949 2016-06-17 07:19:16Z maronga
! Bugfix: calculation of lai_av, c_veg_av and c_liq_av.
! 
! 1849 2016-04-08 11:33:18Z hoffmann
! precipitation_rate moved to arrays_3d
!
! 1788 2016-03-10 11:01:04Z maronga
! Added z0q and z0q_av
! 
! 1693 2015-10-27 08:35:45Z maronga
! Last revision text corrected
! 
! 1691 2015-10-26 16:17:44Z maronga
! Added output of Obukhov length and radiative heating rates for RRTMG. 
! Corrected output of liquid water path.
! 
! 1682 2015-10-07 23:56:08Z knoop
! Code annotations made doxygen readable 
! 
! 1585 2015-04-30 07:05:52Z maronga
! Adapted for RRTMG
! 
! 1555 2015-03-04 17:44:27Z maronga
! Added output of r_a and r_s
! 
! 1551 2015-03-03 14:18:16Z maronga
! Added support for land surface model and radiation model data.
! 
! 1359 2014-04-11 17:15:14Z hoffmann
! New particle structure integrated. 
!
! 1353 2014-04-08 15:21:23Z heinze
! REAL constants provided with KIND-attribute
! 
! 1320 2014-03-20 08:40:49Z raasch
! ONLY-attribute added to USE-statements,
! kind-parameters added to all INTEGER and REAL declaration statements,
! kinds are defined in new module kinds,
! old module precision_kind is removed,
! revision history before 2012 removed,
! comment fields (!:) to be used for variable explanations added to
! all variable declaration statements 
!
! 1318 2014-03-17 13:35:16Z raasch
! barrier argument removed from cpu_log,
! module interfaces removed
!
! 1115 2013-03-26 18:16:16Z hoffmann
! ql is calculated by calc_liquid_water_content
!
! 1053 2012-11-13 17:11:03Z hoffmann
! +nr, prr, qr
!
! 1036 2012-10-22 13:43:42Z raasch
! code put under GPL (PALM 3.9)
!
! 1007 2012-09-19 14:30:36Z franke
! Bugfix in calculation of ql_vp
!
! 978 2012-08-09 08:28:32Z fricke
! +z0h*
!
! Revision 1.1  2006/02/23 12:55:23  raasch
! Initial revision
!
!
! Description:
! ------------
!> Sum-up the values of 3d-arrays. The real averaging is later done in routine
!> average_3d_data. 
!------------------------------------------------------------------------------!
 SUBROUTINE sum_up_3d_data
 

    USE arrays_3d,                                                             &
        ONLY:  dzw, e, heatflux_output_conversion, nc, nr, p, pt,              &
               precipitation_rate, q, qc, ql, ql_c,                            &
               ql_v, qr, rho_ocean, s, sa, u, v, vpt, w,                       &
               waterflux_output_conversion

    USE averaging,                                                             &
        ONLY:  diss_av, e_av, kh_av, km_av, lpt_av, lwp_av, nc_av, nr_av,      &
               ol_av, p_av, pc_av, pr_av, prr_av, precipitation_rate_av, pt_av,&
               q_av, qc_av, ql_av, ql_c_av, ql_v_av, ql_vp_av, qr_av, qsws_av, &
               qv_av, r_a_av, rho_ocean_av, s_av, sa_av, shf_av, ssws_av,      &
               ts_av, tsurf_av, u_av, us_av, v_av, vpt_av, w_av, z0_av, z0h_av,&
               z0q_av
    USE chemistry_model_mod,                                                   &
        ONLY:  chem_3d_data_averaging, chem_integrate, chem_species, nspec                                   

    USE cloud_parameters,                                                      &
        ONLY:  cp, l_d_cp, l_v, pt_d_t

    USE control_parameters,                                                    &
        ONLY:  air_chemistry, average_count_3d, cloud_physics, doav, doav_n,   &
               land_surface, rho_surface, urban_surface, uv_exposure,          &
               varnamelength

    USE cpulog,                                                                &
        ONLY:  cpu_log, log_point

    USE indices,                                                               &
        ONLY:  nxl, nxlg, nxr, nxrg, nyn, nyng, nys, nysg, nzb, nzt 

    USE kinds

    USE land_surface_model_mod,                                                &
        ONLY:  lsm_3d_data_averaging

    USE particle_attributes,                                                   &
        ONLY:  grid_particles, number_of_particles, particles, prt_count

    USE radiation_model_mod,                                                   &
        ONLY:  radiation, radiation_3d_data_averaging

    USE surface_mod,                                                           &
        ONLY:  surf_def_h, surf_lsm_h, surf_usm_h

    USE turbulence_closure_mod,                                                &
        ONLY:  tcm_3d_data_averaging

    USE urban_surface_mod,                                                     &
        ONLY:  usm_average_3d_data

    USE uv_exposure_model_mod,                                                &
        ONLY:  uvem_3d_data_averaging


    IMPLICIT NONE

    INTEGER(iwp) ::  i   !< grid index x direction
    INTEGER(iwp) ::  ii  !< running index
    INTEGER(iwp) ::  j   !< grid index y direction
    INTEGER(iwp) ::  k   !< grid index x direction
    INTEGER(iwp) ::  m   !< running index surface type
    INTEGER(iwp) ::  n   !< 

    REAL(wp)     ::  mean_r !< 
    REAL(wp)     ::  s_r2   !< 
    REAL(wp)     ::  s_r3   !< 

    CHARACTER (LEN=varnamelength) ::  trimvar  !< TRIM of output-variable string


    CALL cpu_log (log_point(34),'sum_up_3d_data','start')

!
!-- Allocate and initialize the summation arrays if called for the very first
!-- time or the first time after average_3d_data has been called 
!-- (some or all of the arrays may have been already allocated
!-- in read_3d_binary)
    IF ( average_count_3d == 0 )  THEN

       DO  ii = 1, doav_n
!
!--       Temporary solution to account for data output within the new urban 
!--       surface model (urban_surface_mod.f90), see also SELECT CASE ( trimvar )
          trimvar = TRIM( doav(ii) )
          IF ( urban_surface  .AND.  trimvar(1:4) == 'usm_' )  THEN
             trimvar = 'usm_output'
          ENDIF
       
          SELECT CASE ( trimvar )

             CASE ( 'e' )
                IF ( .NOT. ALLOCATED( e_av ) )  THEN
                   ALLOCATE( e_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
                ENDIF
                e_av = 0.0_wp

             CASE ( 'lpt' )
                IF ( .NOT. ALLOCATED( lpt_av ) )  THEN
                   ALLOCATE( lpt_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
                ENDIF
                lpt_av = 0.0_wp

             CASE ( 'lwp*' )
                IF ( .NOT. ALLOCATED( lwp_av ) )  THEN
                   ALLOCATE( lwp_av(nysg:nyng,nxlg:nxrg) )
                ENDIF
                lwp_av = 0.0_wp

             CASE ( 'nc' )
                IF ( .NOT. ALLOCATED( nc_av ) )  THEN
                   ALLOCATE( nc_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
                ENDIF
                nc_av = 0.0_wp

             CASE ( 'nr' )
                IF ( .NOT. ALLOCATED( nr_av ) )  THEN
                   ALLOCATE( nr_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
                ENDIF
                nr_av = 0.0_wp

             CASE ( 'ol*' )
                IF ( .NOT. ALLOCATED( ol_av ) )  THEN
                   ALLOCATE( ol_av(nysg:nyng,nxlg:nxrg) )
                ENDIF
                ol_av = 0.0_wp

             CASE ( 'p' )
                IF ( .NOT. ALLOCATED( p_av ) )  THEN
                   ALLOCATE( p_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
                ENDIF
                p_av = 0.0_wp

             CASE ( 'pc' )
                IF ( .NOT. ALLOCATED( pc_av ) )  THEN
                   ALLOCATE( pc_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
                ENDIF
                pc_av = 0.0_wp

             CASE ( 'pr' )
                IF ( .NOT. ALLOCATED( pr_av ) )  THEN
                   ALLOCATE( pr_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
                ENDIF
                pr_av = 0.0_wp

             CASE ( 'prr' )
                IF ( .NOT. ALLOCATED( prr_av ) )  THEN
                   ALLOCATE( prr_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
                ENDIF
                prr_av = 0.0_wp

             CASE ( 'prr*' )
                IF ( .NOT. ALLOCATED( precipitation_rate_av ) )  THEN
                   ALLOCATE( precipitation_rate_av(nysg:nyng,nxlg:nxrg) )
                ENDIF
                precipitation_rate_av = 0.0_wp

             CASE ( 'pt' )
                IF ( .NOT. ALLOCATED( pt_av ) )  THEN
                   ALLOCATE( pt_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
                ENDIF
                pt_av = 0.0_wp

             CASE ( 'q' )
                IF ( .NOT. ALLOCATED( q_av ) )  THEN
                   ALLOCATE( q_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
                ENDIF
                q_av = 0.0_wp

             CASE ( 'qc' )
                IF ( .NOT. ALLOCATED( qc_av ) )  THEN
                   ALLOCATE( qc_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
                ENDIF
                qc_av = 0.0_wp

             CASE ( 'ql' )
                IF ( .NOT. ALLOCATED( ql_av ) )  THEN
                   ALLOCATE( ql_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
                ENDIF
                ql_av = 0.0_wp

             CASE ( 'ql_c' )
                IF ( .NOT. ALLOCATED( ql_c_av ) )  THEN
                   ALLOCATE( ql_c_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
                ENDIF
                ql_c_av = 0.0_wp

             CASE ( 'ql_v' )
                IF ( .NOT. ALLOCATED( ql_v_av ) )  THEN
                   ALLOCATE( ql_v_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
                ENDIF
                ql_v_av = 0.0_wp

             CASE ( 'ql_vp' )
                IF ( .NOT. ALLOCATED( ql_vp_av ) )  THEN
                   ALLOCATE( ql_vp_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
                ENDIF
                ql_vp_av = 0.0_wp

             CASE ( 'qr' )
                IF ( .NOT. ALLOCATED( qr_av ) )  THEN
                   ALLOCATE( qr_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
                ENDIF
                qr_av = 0.0_wp

             CASE ( 'qsws*' )
                IF ( .NOT. ALLOCATED( qsws_av ) )  THEN
                   ALLOCATE( qsws_av(nysg:nyng,nxlg:nxrg) )
                ENDIF
                qsws_av = 0.0_wp

             CASE ( 'qv' )
                IF ( .NOT. ALLOCATED( qv_av ) )  THEN
                   ALLOCATE( qv_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
                ENDIF
                qv_av = 0.0_wp

             CASE ( 'r_a*' )
                IF ( .NOT. ALLOCATED( r_a_av ) )  THEN
                   ALLOCATE( r_a_av(nysg:nyng,nxlg:nxrg) )
                ENDIF
                r_a_av = 0.0_wp

             CASE ( 'rho_ocean' )
                IF ( .NOT. ALLOCATED( rho_ocean_av ) )  THEN
                   ALLOCATE( rho_ocean_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
                ENDIF
                rho_ocean_av = 0.0_wp

             CASE ( 's' )
                IF ( .NOT. ALLOCATED( s_av ) )  THEN
                   ALLOCATE( s_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
                ENDIF
                s_av = 0.0_wp

             CASE ( 'sa' )
                IF ( .NOT. ALLOCATED( sa_av ) )  THEN
                   ALLOCATE( sa_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
                ENDIF
                sa_av = 0.0_wp

             CASE ( 'shf*' )
                IF ( .NOT. ALLOCATED( shf_av ) )  THEN
                   ALLOCATE( shf_av(nysg:nyng,nxlg:nxrg) )
                ENDIF
                shf_av = 0.0_wp
                
             CASE ( 'ssws*' )
                IF ( .NOT. ALLOCATED( ssws_av ) )  THEN
                   ALLOCATE( ssws_av(nysg:nyng,nxlg:nxrg) )
                ENDIF
                ssws_av = 0.0_wp                

             CASE ( 't*' )
                IF ( .NOT. ALLOCATED( ts_av ) )  THEN
                   ALLOCATE( ts_av(nysg:nyng,nxlg:nxrg) )
                ENDIF
                ts_av = 0.0_wp

             CASE ( 'tsurf*' )
                IF ( .NOT. ALLOCATED( tsurf_av ) )  THEN
                   ALLOCATE( tsurf_av(nysg:nyng,nxlg:nxrg) )
                ENDIF
                tsurf_av = 0.0_wp

             CASE ( 'u' )
                IF ( .NOT. ALLOCATED( u_av ) )  THEN
                   ALLOCATE( u_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
                ENDIF
                u_av = 0.0_wp

             CASE ( 'u*' )
                IF ( .NOT. ALLOCATED( us_av ) )  THEN
                   ALLOCATE( us_av(nysg:nyng,nxlg:nxrg) )
                ENDIF
                us_av = 0.0_wp

             CASE ( 'v' )
                IF ( .NOT. ALLOCATED( v_av ) )  THEN
                   ALLOCATE( v_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
                ENDIF
                v_av = 0.0_wp

             CASE ( 'vpt' )
                IF ( .NOT. ALLOCATED( vpt_av ) )  THEN
                   ALLOCATE( vpt_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
                ENDIF
                vpt_av = 0.0_wp

             CASE ( 'w' )
                IF ( .NOT. ALLOCATED( w_av ) )  THEN
                   ALLOCATE( w_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
                ENDIF
                w_av = 0.0_wp

             CASE ( 'z0*' )
                IF ( .NOT. ALLOCATED( z0_av ) )  THEN
                   ALLOCATE( z0_av(nysg:nyng,nxlg:nxrg) )
                ENDIF
                z0_av = 0.0_wp

             CASE ( 'z0h*' )
                IF ( .NOT. ALLOCATED( z0h_av ) )  THEN
                   ALLOCATE( z0h_av(nysg:nyng,nxlg:nxrg) )
                ENDIF
                z0h_av = 0.0_wp

             CASE ( 'z0q*' )
                IF ( .NOT. ALLOCATED( z0q_av ) )  THEN
                   ALLOCATE( z0q_av(nysg:nyng,nxlg:nxrg) )
                ENDIF
                z0q_av = 0.0_wp
!             
!--          Block of urban surface model outputs 
             CASE ( 'usm_output' )

                CALL usm_average_3d_data( 'allocate', doav(ii) )
              

             CASE DEFAULT

!
!--             Turbulence closure module
                CALL tcm_3d_data_averaging( 'allocate', doav(ii) )

!
!--             Land surface quantity
                IF ( land_surface )  THEN
                   CALL lsm_3d_data_averaging( 'allocate', doav(ii) )
                ENDIF

!
!--             Radiation quantity
                IF ( radiation )  THEN
                   CALL radiation_3d_data_averaging( 'allocate', doav(ii) )
                ENDIF

!
!--             Chemical quantity                                           
#if defined( __chem )                
                IF ( air_chemistry  .AND.  trimvar(1:3) == 'kc_')  THEN
                   CALL chem_3d_data_averaging( 'allocate', doav(ii) )
                ENDIF
#endif

!
!--             UV exposure quantity
                IF ( uv_exposure  .AND.  trimvar(1:5) == 'uvem_')  THEN
                   CALL uvem_3d_data_averaging( 'allocate', doav(ii) )
                ENDIF

!
!--             User-defined quantity
                CALL user_3d_data_averaging( 'allocate', doav(ii) )

          END SELECT

       ENDDO

    ENDIF

!
!-- Loop of all variables to be averaged.
    DO  ii = 1, doav_n
!
!--       Temporary solution to account for data output within the new urban 
!--       surface model (urban_surface_mod.f90), see also SELECT CASE ( trimvar )
          trimvar = TRIM( doav(ii) )
          IF ( urban_surface  .AND.  trimvar(1:4) == 'usm_' )  THEN
             trimvar = 'usm_output'
          ENDIF
!
!--    Store the array chosen on the temporary array.
       SELECT CASE ( trimvar )

          CASE ( 'e' )
             DO  i = nxlg, nxrg
                DO  j = nysg, nyng
                   DO  k = nzb, nzt+1
                      e_av(k,j,i) = e_av(k,j,i) + e(k,j,i)
                   ENDDO
                ENDDO
             ENDDO

          CASE ( 'lpt' )
             DO  i = nxlg, nxrg
                DO  j = nysg, nyng
                   DO  k = nzb, nzt+1
                      lpt_av(k,j,i) = lpt_av(k,j,i) + pt(k,j,i)
                   ENDDO
                ENDDO
             ENDDO

          CASE ( 'lwp*' )
             DO  i = nxlg, nxrg
                DO  j = nysg, nyng
                   lwp_av(j,i) = lwp_av(j,i) + SUM( ql(nzb:nzt,j,i)            &
                                               * dzw(1:nzt+1) ) * rho_surface
                ENDDO
             ENDDO

          CASE ( 'nc' )
             DO  i = nxlg, nxrg
                DO  j = nysg, nyng
                   DO  k = nzb, nzt+1
                      nc_av(k,j,i) = nc_av(k,j,i) + nc(k,j,i)
                   ENDDO
                ENDDO
             ENDDO

          CASE ( 'nr' )
             DO  i = nxlg, nxrg
                DO  j = nysg, nyng
                   DO  k = nzb, nzt+1
                      nr_av(k,j,i) = nr_av(k,j,i) + nr(k,j,i)
                   ENDDO
                ENDDO
             ENDDO

          CASE ( 'ol*' )
             DO  m = 1, surf_def_h(0)%ns
                i = surf_def_h(0)%i(m)
                j = surf_def_h(0)%j(m)
                ol_av(j,i) = ol_av(j,i) + surf_def_h(0)%ol(m)
             ENDDO
             DO  m = 1, surf_lsm_h%ns
                i = surf_lsm_h%i(m)
                j = surf_lsm_h%j(m)
                ol_av(j,i) = ol_av(j,i) + surf_lsm_h%ol(m)
             ENDDO
             DO  m = 1, surf_usm_h%ns
                i = surf_usm_h%i(m)
                j = surf_usm_h%j(m)
                ol_av(j,i) = ol_av(j,i) + surf_usm_h%ol(m)
             ENDDO

          CASE ( 'p' )
             DO  i = nxlg, nxrg
                DO  j = nysg, nyng
                   DO  k = nzb, nzt+1
                      p_av(k,j,i) = p_av(k,j,i) + p(k,j,i)
                   ENDDO
                ENDDO
             ENDDO

          CASE ( 'pc' )
             DO  i = nxl, nxr
                DO  j = nys, nyn
                   DO  k = nzb, nzt+1
                      pc_av(k,j,i) = pc_av(k,j,i) + prt_count(k,j,i)
                   ENDDO
                ENDDO
             ENDDO

          CASE ( 'pr' )
             DO  i = nxl, nxr
                DO  j = nys, nyn
                   DO  k = nzb, nzt+1
                      number_of_particles = prt_count(k,j,i)
                      IF ( number_of_particles <= 0 )  CYCLE
                      particles => grid_particles(k,j,i)%particles(1:number_of_particles)
                      s_r2 = 0.0_wp
                      s_r3 = 0.0_wp

                      DO  n = 1, number_of_particles
                         IF ( particles(n)%particle_mask )  THEN
                            s_r2 = s_r2 + particles(n)%radius**2 * &
                                particles(n)%weight_factor
                            s_r3 = s_r3 + particles(n)%radius**3 * &
                                particles(n)%weight_factor
                         ENDIF
                      ENDDO

                      IF ( s_r2 > 0.0_wp )  THEN
                         mean_r = s_r3 / s_r2
                      ELSE
                         mean_r = 0.0_wp
                      ENDIF
                      pr_av(k,j,i) = pr_av(k,j,i) + mean_r
                   ENDDO
                ENDDO
             ENDDO


          CASE ( 'pr*' )
             DO  i = nxlg, nxrg
                DO  j = nysg, nyng
                   precipitation_rate_av(j,i) = precipitation_rate_av(j,i) + &
                                                precipitation_rate(j,i)
                ENDDO
             ENDDO

          CASE ( 'pt' )
             IF ( .NOT. cloud_physics ) THEN
             DO  i = nxlg, nxrg
                DO  j = nysg, nyng
                   DO  k = nzb, nzt+1
                         pt_av(k,j,i) = pt_av(k,j,i) + pt(k,j,i)
                      ENDDO
                   ENDDO
                ENDDO
             ELSE
             DO  i = nxlg, nxrg
                DO  j = nysg, nyng
                   DO  k = nzb, nzt+1
                         pt_av(k,j,i) = pt_av(k,j,i) + pt(k,j,i) + l_d_cp * &
                                                       pt_d_t(k) * ql(k,j,i)
                      ENDDO
                   ENDDO
                ENDDO
             ENDIF

          CASE ( 'q' )
             DO  i = nxlg, nxrg
                DO  j = nysg, nyng
                   DO  k = nzb, nzt+1
                      q_av(k,j,i) = q_av(k,j,i) + q(k,j,i)
                   ENDDO
                ENDDO
             ENDDO

          CASE ( 'qc' )
             DO  i = nxlg, nxrg
                DO  j = nysg, nyng
                   DO  k = nzb, nzt+1
                      qc_av(k,j,i) = qc_av(k,j,i) + qc(k,j,i)
                   ENDDO
                ENDDO
             ENDDO

          CASE ( 'ql' )
             DO  i = nxlg, nxrg
                DO  j = nysg, nyng
                   DO  k = nzb, nzt+1
                      ql_av(k,j,i) = ql_av(k,j,i) + ql(k,j,i)
                   ENDDO
                ENDDO
             ENDDO

          CASE ( 'ql_c' )
             DO  i = nxlg, nxrg
                DO  j = nysg, nyng
                   DO  k = nzb, nzt+1
                      ql_c_av(k,j,i) = ql_c_av(k,j,i) + ql_c(k,j,i)
                   ENDDO
                ENDDO
             ENDDO

          CASE ( 'ql_v' )
             DO  i = nxlg, nxrg
                DO  j = nysg, nyng
                   DO  k = nzb, nzt+1
                      ql_v_av(k,j,i) = ql_v_av(k,j,i) + ql_v(k,j,i)
                   ENDDO
                ENDDO
             ENDDO

          CASE ( 'ql_vp' )
             DO  i = nxl, nxr
                DO  j = nys, nyn
                   DO  k = nzb, nzt+1
                      number_of_particles = prt_count(k,j,i)
                      IF ( number_of_particles <= 0 )  CYCLE
                      particles => grid_particles(k,j,i)%particles(1:number_of_particles)
                      DO  n = 1, number_of_particles
                         IF ( particles(n)%particle_mask )  THEN
                            ql_vp_av(k,j,i) = ql_vp_av(k,j,i) + &
                                              particles(n)%weight_factor / &
                                              number_of_particles
                         ENDIF
                      ENDDO
                   ENDDO
                ENDDO
             ENDDO

          CASE ( 'qr' )
             DO  i = nxlg, nxrg
                DO  j = nysg, nyng
                   DO  k = nzb, nzt+1
                      qr_av(k,j,i) = qr_av(k,j,i) + qr(k,j,i)
                   ENDDO
                ENDDO
             ENDDO

          CASE ( 'qsws*' )
!
!--          In case of default surfaces, clean-up flux by density.
!--          In case of land- and urban-surfaces, convert fluxes into
!--          dynamic units.
             DO  m = 1, surf_def_h(0)%ns
                i = surf_def_h(0)%i(m)
                j = surf_def_h(0)%j(m)
                qsws_av(j,i) = qsws_av(j,i) + surf_def_h(0)%qsws(m) *          &
                                              waterflux_output_conversion(k)
             ENDDO
             DO  m = 1, surf_lsm_h%ns
                i = surf_lsm_h%i(m)
                j = surf_lsm_h%j(m)
                qsws_av(j,i) = qsws_av(j,i) + surf_lsm_h%qsws(m) * l_v
             ENDDO
             DO  m = 1, surf_usm_h%ns
                i = surf_usm_h%i(m)
                j = surf_usm_h%j(m)
                qsws_av(j,i) = qsws_av(j,i) + surf_usm_h%qsws(m) * l_v
             ENDDO

          CASE ( 'qv' )
             DO  i = nxlg, nxrg
                DO  j = nysg, nyng
                   DO  k = nzb, nzt+1
                      qv_av(k,j,i) = qv_av(k,j,i) + q(k,j,i) - ql(k,j,i)
                   ENDDO
                ENDDO
             ENDDO

          CASE ( 'r_a*' )
             DO  m = 1, surf_lsm_h%ns
                i   = surf_lsm_h%i(m)            
                j   = surf_lsm_h%j(m)
                r_a_av(j,i) = r_a_av(j,i) + surf_lsm_h%r_a(m)
             ENDDO
!
!--          Please note, resistance is also applied at urban-type surfaces, 
!--          and is output only as a single variable. Here, tile approach is
!--          already implemented, so for each surface fraction resistance 
!--          need to be summed-up.
             DO  m = 1, surf_usm_h%ns
                i   = surf_usm_h%i(m)            
                j   = surf_usm_h%j(m)
                r_a_av(j,i) = r_a_av(j,i) +                                    &
                           ( surf_usm_h%frac(0,m) * surf_usm_h%r_a(m)       +  & 
                             surf_usm_h%frac(1,m) * surf_usm_h%r_a_green(m) +  & 
                             surf_usm_h%frac(2,m) * surf_usm_h%r_a_window(m) )
             ENDDO

          CASE ( 'rho_ocean' )
             DO  i = nxlg, nxrg
                DO  j = nysg, nyng
                   DO  k = nzb, nzt+1
                      rho_ocean_av(k,j,i) = rho_ocean_av(k,j,i) + rho_ocean(k,j,i)
                   ENDDO
                ENDDO
             ENDDO

          CASE ( 's' )
             DO  i = nxlg, nxrg
                DO  j = nysg, nyng
                   DO  k = nzb, nzt+1
                      s_av(k,j,i) = s_av(k,j,i) + s(k,j,i)
                   ENDDO
                ENDDO
             ENDDO

          CASE ( 'sa' )
             DO  i = nxlg, nxrg
                DO  j = nysg, nyng
                   DO  k = nzb, nzt+1
                      sa_av(k,j,i) = sa_av(k,j,i) + sa(k,j,i)
                   ENDDO
                ENDDO
             ENDDO

          CASE ( 'shf*' )
!
!--          In case of default surfaces, clean-up flux by density.
!--          In case of land- and urban-surfaces, convert fluxes into
!--          dynamic units.
             DO  m = 1, surf_def_h(0)%ns
                i = surf_def_h(0)%i(m)
                j = surf_def_h(0)%j(m)
                shf_av(j,i) = shf_av(j,i) + surf_def_h(0)%shf(m)  *            &
                                            heatflux_output_conversion(k)
             ENDDO
             DO  m = 1, surf_lsm_h%ns
                i = surf_lsm_h%i(m)
                j = surf_lsm_h%j(m)
                shf_av(j,i) = shf_av(j,i) + surf_lsm_h%shf(m) * cp
             ENDDO
             DO  m = 1, surf_usm_h%ns
                i = surf_usm_h%i(m)
                j = surf_usm_h%j(m)
                shf_av(j,i) = shf_av(j,i) + surf_usm_h%shf(m) * cp
             ENDDO


          CASE ( 'ssws*' )
             DO  m = 1, surf_def_h(0)%ns
                i = surf_def_h(0)%i(m)
                j = surf_def_h(0)%j(m)
                ssws_av(j,i) = ssws_av(j,i) + surf_def_h(0)%ssws(m)
             ENDDO
             DO  m = 1, surf_lsm_h%ns
                i = surf_lsm_h%i(m)
                j = surf_lsm_h%j(m)
                ssws_av(j,i) = ssws_av(j,i) + surf_lsm_h%ssws(m)
             ENDDO
             DO  m = 1, surf_usm_h%ns
                i = surf_usm_h%i(m)
                j = surf_usm_h%j(m)
                ssws_av(j,i) = ssws_av(j,i) + surf_usm_h%ssws(m)
             ENDDO

          CASE ( 't*' )
             DO  m = 1, surf_def_h(0)%ns
                i = surf_def_h(0)%i(m)
                j = surf_def_h(0)%j(m)
                ts_av(j,i) = ts_av(j,i) + surf_def_h(0)%ts(m)
             ENDDO
             DO  m = 1, surf_lsm_h%ns
                i = surf_lsm_h%i(m)
                j = surf_lsm_h%j(m)
                ts_av(j,i) = ts_av(j,i) + surf_lsm_h%ts(m)
             ENDDO
             DO  m = 1, surf_usm_h%ns
                i = surf_usm_h%i(m)
                j = surf_usm_h%j(m)
                ts_av(j,i) = ts_av(j,i) + surf_usm_h%ts(m)
             ENDDO

          CASE ( 'tsurf*' )
             DO  m = 1, surf_lsm_h%ns
                i   = surf_lsm_h%i(m)            
                j   = surf_lsm_h%j(m)
                tsurf_av(j,i) = tsurf_av(j,i) + surf_lsm_h%pt_surface(m)
             ENDDO

             DO  m = 1, surf_usm_h%ns
                i   = surf_usm_h%i(m)            
                j   = surf_usm_h%j(m)
                tsurf_av(j,i) = tsurf_av(j,i) + surf_usm_h%pt_surface(m)
             ENDDO

          CASE ( 'u' )
             DO  i = nxlg, nxrg
                DO  j = nysg, nyng
                   DO  k = nzb, nzt+1
                      u_av(k,j,i) = u_av(k,j,i) + u(k,j,i)
                   ENDDO
                ENDDO
             ENDDO

          CASE ( 'u*' )
             DO  m = 1, surf_def_h(0)%ns
                i = surf_def_h(0)%i(m)
                j = surf_def_h(0)%j(m)
                us_av(j,i) = us_av(j,i) + surf_def_h(0)%us(m)
             ENDDO
             DO  m = 1, surf_lsm_h%ns
                i = surf_lsm_h%i(m)
                j = surf_lsm_h%j(m)
                us_av(j,i) = us_av(j,i) + surf_lsm_h%us(m)
             ENDDO
             DO  m = 1, surf_usm_h%ns
                i = surf_usm_h%i(m)
                j = surf_usm_h%j(m)
                us_av(j,i) = us_av(j,i) + surf_usm_h%us(m)
             ENDDO

          CASE ( 'v' )
             DO  i = nxlg, nxrg
                DO  j = nysg, nyng
                   DO  k = nzb, nzt+1
                      v_av(k,j,i) = v_av(k,j,i) + v(k,j,i)
                   ENDDO
                ENDDO
             ENDDO

          CASE ( 'vpt' )
             DO  i = nxlg, nxrg
                DO  j = nysg, nyng
                   DO  k = nzb, nzt+1
                      vpt_av(k,j,i) = vpt_av(k,j,i) + vpt(k,j,i)
                   ENDDO
                ENDDO
             ENDDO

          CASE ( 'w' )
             DO  i = nxlg, nxrg
                DO  j = nysg, nyng
                   DO  k = nzb, nzt+1
                      w_av(k,j,i) = w_av(k,j,i) + w(k,j,i)
                   ENDDO
                ENDDO
             ENDDO

          CASE ( 'z0*' )
             DO  m = 1, surf_def_h(0)%ns
                i = surf_def_h(0)%i(m)
                j = surf_def_h(0)%j(m)
                z0_av(j,i) = z0_av(j,i) + surf_def_h(0)%z0(m)
             ENDDO
             DO  m = 1, surf_lsm_h%ns
                i = surf_lsm_h%i(m)
                j = surf_lsm_h%j(m)
                z0_av(j,i) = z0_av(j,i) + surf_lsm_h%z0(m)
             ENDDO
             DO  m = 1, surf_usm_h%ns
                i = surf_usm_h%i(m)
                j = surf_usm_h%j(m)
                z0_av(j,i) = z0_av(j,i) + surf_usm_h%z0(m)
             ENDDO

          CASE ( 'z0h*' )
             DO  m = 1, surf_def_h(0)%ns
                i = surf_def_h(0)%i(m)
                j = surf_def_h(0)%j(m)
                z0h_av(j,i) = z0h_av(j,i) + surf_def_h(0)%z0h(m)
             ENDDO
             DO  m = 1, surf_lsm_h%ns
                i = surf_lsm_h%i(m)
                j = surf_lsm_h%j(m)
                z0h_av(j,i) = z0h_av(j,i) + surf_lsm_h%z0h(m)
             ENDDO
             DO  m = 1, surf_usm_h%ns
                i = surf_usm_h%i(m)
                j = surf_usm_h%j(m)
                z0h_av(j,i) = z0h_av(j,i) + surf_usm_h%z0h(m)
             ENDDO

          CASE ( 'z0q*' )
             DO  m = 1, surf_def_h(0)%ns
                i = surf_def_h(0)%i(m)
                j = surf_def_h(0)%j(m)
                z0q_av(j,i) = z0q_av(j,i) + surf_def_h(0)%z0q(m)
             ENDDO
             DO  m = 1, surf_lsm_h%ns
                i = surf_lsm_h%i(m)
                j = surf_lsm_h%j(m)
                z0q_av(j,i) = z0q_av(j,i) + surf_lsm_h%z0q(m)
             ENDDO
             DO  m = 1, surf_usm_h%ns
                i = surf_usm_h%i(m)
                j = surf_usm_h%j(m)
                z0q_av(j,i) = z0q_av(j,i) + surf_usm_h%z0q(m)
             ENDDO
!             
!--       Block of urban surface model outputs. 
!--       In case of urban surface variables it should be always checked
!--       if respective arrays are allocated, at least in case of a restart 
!--       run, as usm arrays are not read from file at the moment. 
          CASE ( 'usm_output' )
             CALL usm_average_3d_data( 'allocate', doav(ii) )
             CALL usm_average_3d_data( 'sum', doav(ii) )

          CASE DEFAULT
!
!--          Turbulence closure module
             CALL tcm_3d_data_averaging( 'sum', doav(ii) )

!
!--          Land surface quantity
             IF ( land_surface )  THEN
                CALL lsm_3d_data_averaging( 'sum', doav(ii) )
             ENDIF

!
!--          Radiation quantity
             IF ( radiation )  THEN
                CALL radiation_3d_data_averaging( 'sum', doav(ii) )
             ENDIF

!
!--          Chemical quantity
             IF ( air_chemistry  .AND.  trimvar(1:3) == 'kc_')  THEN
                CALL chem_3d_data_averaging( 'sum',doav(ii) )
             ENDIF

!
!--          UV exposure quantity
             IF ( uv_exposure )  THEN
                CALL uvem_3d_data_averaging( 'sum', doav(ii) )
             ENDIF

!
!--          User-defined quantity
             CALL user_3d_data_averaging( 'sum', doav(ii) )

       END SELECT

    ENDDO

    CALL cpu_log( log_point(34), 'sum_up_3d_data', 'stop' )


 END SUBROUTINE sum_up_3d_data