Changeset 6125 for trunk/NEMOGCM/NEMO/OPA_SRC/DOM/dommsk.F90

Timestamp:

2015-12-18T13:58:12+01:00 (8 years ago)

Author:

jchanut

Message:

suppress bmask, #1648

File:

• trunk/NEMOGCM/NEMO/OPA_SRC/DOM/dommsk.F90 (modified) (6 diffs)

trunk/NEMOGCM/NEMO/OPA_SRC/DOM/dommsk.F90

@@ -55 +55 @@
       !!
       !! ** Purpose :   Compute land/ocean mask arrays at tracer points, hori-
-      !!      zontal velocity points (u & v), vorticity points (f) and baro-
-      !!      tropic stream function  points (b).
+      !!      zontal velocity points (u & v), vorticity points (f) points.
       !!
       !! ** Method  :   The ocean/land mask is computed from the basin bathy-
@@ -74 +73 @@
       !!                1. IF mbathy( ji ,jj) and mbathy( ji ,jj+1)
       !!                  and mbathy(ji+1,jj) and mbathy(ji+1,jj+1) >= jk.
-      !!      b-point : the same definition as for f-point of the first ocean
-      !!                level (surface level) but with 0 along coastlines.
       !!      tmask_i : interior ocean mask at t-point, i.e. excluding duplicated
       !!                rows/lines due to cyclic or North Fold boundaries as well
@@ -89 +86 @@
       !!
       !!      N.B. If nperio not equal to 0, the land/ocean mask arrays
-      !!      are defined with the proper value at lateral domain boundaries,
-      !!      but bmask. indeed, bmask defined the domain over which the
-      !!      barotropic stream function is computed. this domain cannot
-      !!      contain identical columns because the matrix associated with
-      !!      the barotropic stream function equation is then no more inverti-
-      !!      ble. therefore bmask is set to 0 along lateral domain boundaries
-      !!      even IF nperio is not zero.
+      !!      are defined with the proper value at lateral domain boundaries.
       !!
       !!      In case of open boundaries (lk_bdy=T):
       !!        - tmask is set to 1 on the points to be computed bay the open
       !!          boundaries routines.
-      !!        - bmask is  set to 0 on the open boundaries.
       !!
       !! ** Action :   tmask    : land/ocean mask at t-point (=0. or 1.)
@@ -107 +97 @@
       !!               fmask    : land/ocean mask at f-point (=0. or 1.)
       !!                          =rn_shlat along lateral boundaries
-      !!               bmask    : land/ocean mask at barotropic stream
-      !!                          function point (=0. or 1.) and set to 0 along lateral boundaries
       !!               tmask_i  : interior ocean mask
       !!----------------------------------------------------------------------
@@ -254 +242 @@
       END DO
 
-      ! 4. ocean/land mask for the elliptic equation
-      ! --------------------------------------------
-      bmask(:,:) = ssmask(:,:)       ! elliptic equation is written at t-point
-      !
-      !                               ! Boundary conditions
-      !                                    ! cyclic east-west : bmask must be set to 0. on rows 1 and jpi
-      IF( nperio == 1 .OR. nperio == 4 .OR. nperio == 6 ) THEN
-         bmask( 1 ,:) = 0._wp
-         bmask(jpi,:) = 0._wp
-      ENDIF
-      IF( nperio == 2 ) THEN               ! south symmetric :  bmask must be set to 0. on row 1
-         bmask(:, 1 ) = 0._wp
-      ENDIF
-      !                                    ! north fold : 
-      IF( nperio == 3 .OR. nperio == 4 ) THEN   ! T-pt pivot : bmask set to 0. on row jpj and on half jpjglo-1 row
-         DO ji = 1, jpi                      
-            ii = ji + nimpp - 1
-            bmask(ji,jpj-1) = bmask(ji,jpj-1) * tpol(ii)
-            bmask(ji,jpj  ) = 0._wp
-         END DO
-      ENDIF
-      IF( nperio == 5 .OR. nperio == 6 ) THEN   ! F-pt pivot and T-pt elliptic eq. : bmask set to 0. on row jpj
-         bmask(:,jpj) = 0._wp
-      ENDIF
-      !
-      IF( lk_mpp ) THEN                    ! mpp specificities
-         !                                      ! bmask is set to zero on the overlap region
-         IF( nbondi /= -1 .AND. nbondi /= 2 )   bmask(  1 :jpreci,:) = 0._wp
-         IF( nbondi /=  1 .AND. nbondi /= 2 )   bmask(nlci:jpi   ,:) = 0._wp
-         IF( nbondj /= -1 .AND. nbondj /= 2 )   bmask(:,  1 :jprecj) = 0._wp
-         IF( nbondj /=  1 .AND. nbondj /= 2 )   bmask(:,nlcj:jpj   ) = 0._wp
-         !
-         IF( npolj == 3 .OR. npolj == 4 ) THEN  ! north fold : bmask must be set to 0. on rows jpj-1 and jpj
-            DO ji = 1, nlci
-               ii = ji + nimpp - 1
-               bmask(ji,nlcj-1) = bmask(ji,nlcj-1) * tpol(ii)
-               bmask(ji,nlcj  ) = 0._wp
-            END DO
-         ENDIF
-         IF( npolj == 5 .OR. npolj == 6 ) THEN  ! F-pt pivot and T-pt elliptic eq. : bmask set to 0. on row jpj
-            DO ji = 1, nlci
-               bmask(ji,nlcj  ) = 0._wp
-            END DO
-         ENDIF
-      ENDIF
-
       ! Lateral boundary conditions on velocity (modify fmask)
       ! ---------------------------------------     
@@ -438 +380 @@
                &                              1, jpj, 1, 1, numout )
          END DO
-         WRITE(numout,*)
-         WRITE(numout,*) ' dom_msk: bmask '
-         WRITE(numout,*) ' ---------------'
-         WRITE(numout,*)
-         imsk(:,:) = INT( bmask(:,:) )
-         CALL prihin( imsk(:,:), jpi, jpj, 1, jpi, 1,   &
-            &                              1, jpj, 1, 1, numout )
       ENDIF
       !