Changeset 6225 for branches/2014/dev_r4704_NOC5_MPP_BDY_UPDATE/NEMOGCM/NEMO/TOP_SRC/trcstp.F90

Timestamp:

2016-01-08T10:35:19+01:00 (8 years ago)

Author:

jamesharle

Message:

Update MPP_BDY_UPDATE branch to be consistent with head of trunk

File:

• branches/2014/dev_r4704_NOC5_MPP_BDY_UPDATE/NEMOGCM/NEMO/TOP_SRC/trcstp.F90 (modified) (5 diffs)

branches/2014/dev_r4704_NOC5_MPP_BDY_UPDATE/NEMOGCM/NEMO/TOP_SRC/trcstp.F90

@@ -19 +19 @@
    USE trcwri
    USE trcrst
-   USE trdmod_trc_oce
-   USE trdmld_trc
+   USE trdtrc_oce
+   USE trdmxl_trc
    USE iom
    USE in_out_manager
@@ -30 +30 @@
    PUBLIC   trc_stp    ! called by step
 
-   !! * Substitutions
-#  include "domzgr_substitute.h90"
+   REAL(wp), DIMENSION(:,:,:), SAVE, ALLOCATABLE ::   qsr_arr ! save qsr during TOP time-step
+   REAL(wp) :: rdt_sampl
+   INTEGER  :: nb_rec_per_days
+   INTEGER  :: isecfst, iseclast
+   LOGICAL  :: llnew
+
    !!----------------------------------------------------------------------
    !! NEMO/TOP 3.3 , NEMO Consortium (2010)
@@ -54 +58 @@
       CHARACTER (len=25)    ::  charout 
 
-      REAL(wp), DIMENSION(:,:), POINTER ::   zqsr_tmp ! save qsr during TOP time-step
       !!-------------------------------------------------------------------
       !
       IF( nn_timing == 1 )   CALL timing_start('trc_stp')
       !
-      IF( kt == nittrc000 .AND. lk_trdmld_trc )  CALL trd_mld_trc_init    ! trends: Mixed-layer
+      IF( kt == nittrc000 .AND. lk_trdmxl_trc )  CALL trd_mxl_trc_init    ! trends: Mixed-layer
       !
-      IF( lk_vvl ) THEN                                                   ! update ocean volume due to ssh temporal evolution
+      IF( .NOT.ln_linssh ) THEN                                           ! update ocean volume due to ssh temporal evolution
          DO jk = 1, jpk
-            cvol(:,:,jk) = e1e2t(:,:) * fse3t(:,:,jk) * tmask(:,:,jk)
+            cvol(:,:,jk) = e1e2t(:,:) * e3t_n(:,:,jk) * tmask(:,:,jk)
          END DO
          IF( lk_degrad )  cvol(:,:,:) = cvol(:,:,:) * facvol(:,:,:)       ! degrad option: reduction by facvol
          areatot         = glob_sum( cvol(:,:,:) )
       ENDIF
-      !    
-      IF( ltrcdm2dc ) THEN
-         ! When Diurnal cycle, core bulk and LIM2  are activated, put daily mean qsr in qsr for TOP/biogeochemistery time-step
-         ! and save qsr with diurnal cycle in qsr_tmp
-         CALL wrk_alloc( jpi,jpj, zqsr_tmp )
-         zqsr_tmp(:,:) = qsr     (:,:)
-         qsr     (:,:) = qsr_mean(:,:)    
-      ENDIF
+      !
+      IF( l_trcdm2dc )   CALL trc_mean_qsr( kt )
       !    
       IF( nn_dttrc /= 1 )   CALL trc_sub_stp( kt )  ! averaging physical variables for sub-stepping
@@ -100 +97 @@
          ENDIF
          IF( lrst_trc )            CALL trc_rst_wri  ( kt )       ! write tracer restart file
-         IF( lk_trdmld_trc  )      CALL trd_mld_trc  ( kt )       ! trends: Mixed-layer
+         IF( lk_trdmxl_trc  )      CALL trd_mxl_trc  ( kt )       ! trends: Mixed-layer
          !
          IF( nn_dttrc /= 1   )     CALL trc_sub_reset( kt )       ! resetting physical variables when sub-stepping
          !
-      ENDIF
-      !
-      IF( ltrcdm2dc ) THEN
-         ! put back qsr with diurnal cycle in qsr
-         qsr(:,:) = zqsr_tmp(:,:)
-         CALL wrk_dealloc( jpi,jpj, zqsr_tmp )
       ENDIF
       !
@@ -123 +114 @@
    END SUBROUTINE trc_stp
 
+
+   SUBROUTINE trc_mean_qsr( kt )
+      !!----------------------------------------------------------------------
+      !!             ***  ROUTINE trc_mean_qsr  ***
+      !!
+      !! ** Purpose :  Compute daily mean qsr for biogeochemical model in case
+      !!               of diurnal cycle
+      !!
+      !! ** Method  : store in TOP the qsr every hour ( or every time-step the latter 
+      !!              is greater than 1 hour ) and then, compute the  mean with 
+      !!              a moving average over 24 hours. 
+      !!              In coupled mode, the sampling is done at every coupling frequency 
+      !!----------------------------------------------------------------------
+      INTEGER, INTENT(in) ::   kt
+      INTEGER  :: jn
+      !!----------------------------------------------------------------------
+      !
+      IF( kt == nittrc000 ) THEN
+         IF( ln_cpl )  THEN  
+            rdt_sampl = 86400. / ncpl_qsr_freq
+            nb_rec_per_days = ncpl_qsr_freq
+         ELSE  
+            rdt_sampl = MAX( 3600., rdt * nn_dttrc )
+            nb_rec_per_days = INT( 86400 / rdt_sampl )
+         ENDIF
+         !
+         IF( lwp ) THEN
+            WRITE(numout,*) 
+            WRITE(numout,*) ' Sampling frequency dt = ', rdt_sampl, 's','   Number of sampling per day  nrec = ', nb_rec_per_days
+            WRITE(numout,*) 
+         ENDIF
+         !
+         ALLOCATE( qsr_arr(jpi,jpj,nb_rec_per_days ) )
+         DO jn = 1, nb_rec_per_days
+            qsr_arr(:,:,jn) = qsr(:,:)
+         ENDDO
+         qsr_mean(:,:) = qsr(:,:)
+         !
+         isecfst  = nsec_year + nsec1jan000   !   number of seconds between Jan. 1st 00h of nit000 year and the middle of time step
+         iseclast = isecfst
+         !
+      ENDIF
+      !
+      iseclast = nsec_year + nsec1jan000
+      llnew   = ( iseclast - isecfst )  > INT( rdt_sampl )   !   new shortwave to store
+      IF( kt /= nittrc000 .AND. llnew ) THEN
+          IF( lwp ) WRITE(numout,*) ' New shortwave to sample for TOP at time kt = ', kt, &
+             &                      ' time = ', (iseclast+rdt*nn_dttrc/2.)/3600.,'hours '
+          isecfst = iseclast
+          DO jn = 1, nb_rec_per_days - 1
+             qsr_arr(:,:,jn) = qsr_arr(:,:,jn+1)
+          END DO
+          qsr_arr (:,:,nb_rec_per_days) = qsr(:,:)
+          qsr_mean(:,:                ) = SUM( qsr_arr(:,:,:), 3 ) / nb_rec_per_days
+      ENDIF
+      !
+   END SUBROUTINE trc_mean_qsr
+
 #else
    !!----------------------------------------------------------------------