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Changeset 8507 – NEMO

Changeset 8507


Ignore:
Timestamp:
2017-09-07T16:24:27+02:00 (7 years ago)
Author:
acc
Message:

Branch 2015/nemo_v3_6_STABLE. Bug fix for #1932 to correct tracer conservation at the north-fold

File:
1 edited

Legend:

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  • branches/2015/nemo_v3_6_STABLE/NEMOGCM/NEMO/OPA_SRC/TRA/trabbl.F90

    r4990 r8507  
    548548      zmbk(:,:) = REAL( mbkv_d(:,:), wp )   ;   CALL lbc_lnk(zmbk,'V',1.)   ;   mbkv_d(:,:) = MAX( INT( zmbk(:,:) ), 1 ) 
    549549 
    550                                         !* sign of grad(H) at u- and v-points 
    551       mgrhu(jpi,:) = 0   ;   mgrhu(:,jpj) = 0   ;   mgrhv(jpi,:) = 0   ;   mgrhv(:,jpj) = 0 
     550                                        !* sign of grad(H) at u- and v-points; zero if grad(H) = 0 
     551      mgrhu(:,:) = 0   ;   mgrhv(:,:) = 0 
    552552      DO jj = 1, jpjm1 
    553553         DO ji = 1, jpim1 
    554             mgrhu(ji,jj) = INT(  SIGN( 1.e0, gdept_0(ji+1,jj,mbkt(ji+1,jj)) - gdept_0(ji,jj,mbkt(ji,jj)) )  ) 
    555             mgrhv(ji,jj) = INT(  SIGN( 1.e0, gdept_0(ji,jj+1,mbkt(ji,jj+1)) - gdept_0(ji,jj,mbkt(ji,jj)) )  ) 
     554            IF( gdept_0(ji+1,jj,mbkt(ji+1,jj)) - gdept_0(ji,jj,mbkt(ji,jj)) /= 0._wp ) THEN 
     555               mgrhu(ji,jj) = INT(  SIGN( 1.e0, gdept_0(ji+1,jj,mbkt(ji+1,jj)) - gdept_0(ji,jj,mbkt(ji,jj)) )  ) 
     556            ENDIF 
     557            ! 
     558            IF( gdept_0(ji,jj+1,mbkt(ji,jj+1)) - gdept_0(ji,jj,mbkt(ji,jj)) /= 0._wp ) THEN 
     559               mgrhv(ji,jj) = INT(  SIGN( 1.e0, gdept_0(ji,jj+1,mbkt(ji,jj+1)) - gdept_0(ji,jj,mbkt(ji,jj)) )  ) 
     560            ENDIF 
    556561         END DO 
    557562      END DO 
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