Changeset 11134 for branches/UKMO/r6232_collate_bgc_diagnostics/NEMOGCM/NEMO/TOP_SRC/TRP/trcnxt.F90

Timestamp:

2019-06-18T17:48:39+02:00 (5 years ago)

Author:

jcastill

Message:

Full set of changes as in the original branch

File:

• branches/UKMO/r6232_collate_bgc_diagnostics/NEMOGCM/NEMO/TOP_SRC/TRP/trcnxt.F90 (modified) (5 diffs)

branches/UKMO/r6232_collate_bgc_diagnostics/NEMOGCM/NEMO/TOP_SRC/TRP/trcnxt.F90

@@ -33 +33 @@
    USE trdtra
    USE tranxt
+   USE trcbdy          ! BDY open boundaries
+   USE bdy_par, only: lk_bdy
+   USE iom
 # if defined key_agrif
    USE agrif_top_interp
@@ -93 +96 @@
       CHARACTER (len=22) :: charout
       REAL(wp), POINTER, DIMENSION(:,:,:,:) ::  ztrdt 
+#if defined key_tracer_budget
+      REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) ::  ztrdt_m1 ! slwa
+#endif
       !!----------------------------------------------------------------------
       !
@@ -101 +107 @@
          WRITE(numout,*) 'trc_nxt : time stepping on passive tracers'
       ENDIF
+#if defined key_tracer_budget
+      IF( kt == nittrc000 .AND. l_trdtrc ) THEN
+         ALLOCATE( ztrdt_m1(jpi,jpj,jpk,jptra) )  ! slwa
+         IF( ln_rsttr .AND.    &                     ! Restart: read in restart  file
+            iom_varid( numrtr, 'atf_trend_'//TRIM(ctrcnm(1)), ldstop = .FALSE. ) > 0 ) THEN
+            IF(lwp) WRITE(numout,*) '          nittrc000-nn_dttrc ATF tracer trend read in the restart file'
+            DO jn = 1, jptra
+               CALL iom_get( numrtr, jpdom_autoglo, 'atf_trend_'//TRIM(ctrcnm(jn)), ztrdt_m1(:,:,:,jn) )   ! before tracer trend for atf
+            END DO
+         ELSE          
+           ztrdt_m1=0.0
+         ENDIF
+      ENDIF
+#endif
+
 
 #if defined key_agrif
@@ -111 +132 @@
 
 
+      IF( lk_bdy )  CALL trc_bdy( kt )               ! BDY open boundaries
 #if defined key_bdy
 !!      CALL bdy_trc( kt )               ! BDY open boundaries
 #endif
-
 
       ! set time step size (Euler/Leapfrog)
@@ -149 +170 @@
                zfact = 1.e0 / r2dt(jk)  
                ztrdt(:,:,jk,jn) = ( trb(:,:,jk,jn) - ztrdt(:,:,jk,jn) ) * zfact 
-               CALL trd_tra( kt, 'TRC', jn, jptra_atf, ztrdt )
+!slwa          CALL trd_tra( kt, 'TRC', jn, jptra_atf, ztrdt )
+#if defined key_tracer_budget
+               ztrdt(:,:,jk,jn) = ztrdt(:,:,jk,jn) * e1t(:,:) * e2t(:,:) * e3t_n(:,:,jk)  ! slwa vvl
+               !ztrdt(:,:,jk,jn) = ztrdt(:,:,jk,jn) * e1t(:,:) * e2t(:,:) * e3t_0(:,:,jk)  ! slwa CHANGE for vvl
+#endif
             END DO
+#if defined key_tracer_budget
+! slwa budget code
+              CALL trd_tra( kt, 'TRC', jn, jptra_atf, ztrdt_m1(:,:,:,jn) )
+#else
+              CALL trd_tra( kt, 'TRC', jn, jptra_atf, ztrdt(:,:,:,jn) )
+#endif
          END DO
+#if defined key_tracer_budget
+        ztrdt_m1(:,:,:,:) = ztrdt(:,:,:,:)    ! need previous time step for budget slwa
+#endif
          CALL wrk_dealloc( jpi, jpj, jpk, jptra, ztrdt ) 
       END IF
+
+#if defined key_tracer_budget
+      !                                           Write in the tracer restart file
+      !                                          *******************************
+      IF( lrst_trc ) THEN
+         IF(lwp) WRITE(numout,*)
+         IF(lwp) WRITE(numout,*) 'trc : ATF trend at last time step for tracer budget written in tracer restart file ',   &
+            &                    'at it= ', kt,' date= ', ndastp
+         IF(lwp) WRITE(numout,*) '~~~~'
+         DO jn = 1, jptra
+            CALL iom_rstput( kt, nitrst, numrtw, 'atf_trend_'//TRIM(ctrcnm(jn)), ztrdt_m1(:,:,:,jn) )
+         END DO
+      ENDIF
+#endif
+
       !
       IF(ln_ctl)   THEN  ! print mean trends (used for debugging)