MODULE domwri !!====================================================================== !! *** MODULE domwri *** !! Ocean initialization : write the ocean domain mesh file(s) !!====================================================================== !! History : OPA ! 1997-02 (G. Madec) Original code !! 8.1 ! 1999-11 (M. Imbard) NetCDF FORMAT with IOIPSL !! NEMO 1.0 ! 2002-08 (G. Madec) F90 and several file !! 3.0 ! 2008-01 (S. Masson) add dom_uniq !!---------------------------------------------------------------------- !!---------------------------------------------------------------------- !! dom_wri : create and write mesh and mask file(s) !! dom_uniq : identify unique point of a grid (TUVF) !! dom_stiff : diagnose maximum grid stiffness/hydrostatic consistency (s-coordinate) !!---------------------------------------------------------------------- USE dom_oce ! ocean space and time domain USE in_out_manager ! I/O manager USE iom ! I/O library USE lbclnk ! lateral boundary conditions - mpp exchanges USE lib_mpp ! MPP library USE wrk_nemo ! Memory allocation USE timing ! Timing IMPLICIT NONE PRIVATE PUBLIC dom_wri ! routine called by inidom.F90 PUBLIC dom_wri_coordinate ! routine called by domhgr.F90 PUBLIC dom_stiff ! routine called by inidom.F90 !!---------------------------------------------------------------------- !! NEMO/OPA 3.7 , NEMO Consortium (2014) !! $Id: vectopt_loop_substitute.h90 4990 2014-12-15 16:42:49Z timgraham $ !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) !!---------------------------------------------------------------------- CONTAINS SUBROUTINE dom_wri_coordinate !!---------------------------------------------------------------------- !! *** ROUTINE dom_wri_coordinate *** !! !! ** Purpose : Create the NetCDF file which contains all the !! standard coordinate information plus the surface, !! e1e2u and e1e2v. By doing so, those surface will !! not be changed by the reduction of e1u or e2v scale !! factors in some straits. !! NB: call just after the read of standard coordinate !! and the reduction of scale factors in some straits !! !! ** output file : coordinate_e1e2u_v.nc !!---------------------------------------------------------------------- INTEGER :: inum0 ! temprary units for 'coordinate_e1e2u_v.nc' file CHARACTER(len=21) :: clnam0 ! filename (mesh and mask informations) ! ! workspaces REAL(wp), POINTER, DIMENSION(:,: ) :: zprt, zprw REAL(wp), POINTER, DIMENSION(:,:,:) :: zdepu, zdepv !!---------------------------------------------------------------------- ! IF( nn_timing == 1 ) CALL timing_start('dom_wri_coordinate') ! IF(lwp) WRITE(numout,*) IF(lwp) WRITE(numout,*) 'dom_wri_coordinate : create NetCDF coordinate file' IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~~~~~~~' clnam0 = 'coordinate_e1e2u_v' ! filename (mesh and mask informations) ! create 'coordinate_e1e2u_v.nc' file ! ============================ ! CALL iom_open( TRIM(clnam0), inum0, ldwrt = .TRUE., kiolib = jprstlib ) ! ! ! horizontal mesh (inum3) CALL iom_rstput( 0, 0, inum0, 'glamt', glamt, ktype = jp_r8 ) ! ! latitude CALL iom_rstput( 0, 0, inum0, 'glamu', glamu, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum0, 'glamv', glamv, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum0, 'glamf', glamf, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum0, 'gphit', gphit, ktype = jp_r8 ) ! ! longitude CALL iom_rstput( 0, 0, inum0, 'gphiu', gphiu, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum0, 'gphiv', gphiv, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum0, 'gphif', gphif, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum0, 'e1t', e1t, ktype = jp_r8 ) ! ! e1 scale factors CALL iom_rstput( 0, 0, inum0, 'e1u', e1u, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum0, 'e1v', e1v, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum0, 'e1f', e1f, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum0, 'e2t', e2t, ktype = jp_r8 ) ! ! e2 scale factors CALL iom_rstput( 0, 0, inum0, 'e2u', e2u, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum0, 'e2v', e2v, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum0, 'e2f', e2f, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum0, 'e1e2u', e1e2u, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum0, 'e1e2v', e1e2v, ktype = jp_r8 ) CALL iom_close( inum0 ) ! IF( nn_timing == 1 ) CALL timing_stop('dom_wri_coordinate') ! END SUBROUTINE dom_wri_coordinate SUBROUTINE dom_wri !!---------------------------------------------------------------------- !! *** ROUTINE dom_wri *** !! !! ** Purpose : Create the NetCDF file(s) which contain(s) all the !! ocean domain informations (mesh and mask arrays). This (these) !! file(s) is (are) used for visualisation (SAXO software) and !! diagnostic computation. !! !! ** Method : Write in a file all the arrays generated in routines !! domhgr, domzgr, and dommsk. Note: the file contain depends on !! the vertical coord. used (z-coord, partial steps, s-coord) !! MOD(nmsh, 3) = 1 : 'mesh_mask.nc' file !! = 2 : 'mesh.nc' and mask.nc' files !! = 0 : 'mesh_hgr.nc', 'mesh_zgr.nc' and !! 'mask.nc' files !! For huge size domain, use option 2 or 3 depending on your !! vertical coordinate. !! !! if nmsh <= 3: write full 3D arrays for e3[tuvw] and gdep[tuvw] !! if 3 < nmsh <= 6: write full 3D arrays for e3[tuvw] and 2D arrays !! corresponding to the depth of the bottom t- and w-points !! if 6 < nmsh <= 9: write 2D arrays corresponding to the depth and the !! thickness (e3[tw]_ps) of the bottom points !! !! ** output file : meshmask.nc : domain size, horizontal grid-point position, !! masks, depth and vertical scale factors !!---------------------------------------------------------------------- !! INTEGER :: inum0 ! temprary units for 'mesh_mask.nc' file INTEGER :: inum1 ! temprary units for 'mesh.nc' file INTEGER :: inum2 ! temprary units for 'mask.nc' file INTEGER :: inum3 ! temprary units for 'mesh_hgr.nc' file INTEGER :: inum4 ! temprary units for 'mesh_zgr.nc' file CHARACTER(len=21) :: clnam0 ! filename (mesh and mask informations) CHARACTER(len=21) :: clnam1 ! filename (mesh informations) CHARACTER(len=21) :: clnam2 ! filename (mask informations) CHARACTER(len=21) :: clnam3 ! filename (horizontal mesh informations) CHARACTER(len=21) :: clnam4 ! filename (vertical mesh informations) INTEGER :: ji, jj, jk ! dummy loop indices ! ! workspaces REAL(wp), POINTER, DIMENSION(:,: ) :: zprt, zprw REAL(wp), POINTER, DIMENSION(:,:,:) :: zdepu, zdepv !!---------------------------------------------------------------------- ! IF( nn_timing == 1 ) CALL timing_start('dom_wri') ! CALL wrk_alloc( jpi, jpj, zprt, zprw ) CALL wrk_alloc( jpi, jpj, jpk, zdepu, zdepv ) ! IF(lwp) WRITE(numout,*) IF(lwp) WRITE(numout,*) 'dom_wri : create NetCDF mesh and mask information file(s)' IF(lwp) WRITE(numout,*) '~~~~~~~' clnam0 = 'mesh_mask' ! filename (mesh and mask informations) clnam1 = 'mesh' ! filename (mesh informations) clnam2 = 'mask' ! filename (mask informations) clnam3 = 'mesh_hgr' ! filename (horizontal mesh informations) clnam4 = 'mesh_zgr' ! filename (vertical mesh informations) SELECT CASE ( MOD(nmsh, 3) ) ! ! ============================ CASE ( 1 ) ! create 'mesh_mask.nc' file ! ! ============================ CALL iom_open( TRIM(clnam0), inum0, ldwrt = .TRUE., kiolib = jprstlib ) inum2 = inum0 ! put all the informations inum3 = inum0 ! in unit inum0 inum4 = inum0 ! ! ============================ CASE ( 2 ) ! create 'mesh.nc' and ! ! 'mask.nc' files ! ! ============================ CALL iom_open( TRIM(clnam1), inum1, ldwrt = .TRUE., kiolib = jprstlib ) CALL iom_open( TRIM(clnam2), inum2, ldwrt = .TRUE., kiolib = jprstlib ) inum3 = inum1 ! put mesh informations inum4 = inum1 ! in unit inum1 ! ! ============================ CASE ( 0 ) ! create 'mesh_hgr.nc' ! ! 'mesh_zgr.nc' and ! ! 'mask.nc' files ! ! ============================ CALL iom_open( TRIM(clnam2), inum2, ldwrt = .TRUE., kiolib = jprstlib ) CALL iom_open( TRIM(clnam3), inum3, ldwrt = .TRUE., kiolib = jprstlib ) CALL iom_open( TRIM(clnam4), inum4, ldwrt = .TRUE., kiolib = jprstlib ) ! END SELECT ! ! masks (inum2) CALL iom_rstput( 0, 0, inum2, 'tmask', tmask, ktype = jp_i1 ) ! ! land-sea mask CALL iom_rstput( 0, 0, inum2, 'umask', umask, ktype = jp_i1 ) CALL iom_rstput( 0, 0, inum2, 'vmask', vmask, ktype = jp_i1 ) CALL iom_rstput( 0, 0, inum2, 'fmask', fmask, ktype = jp_i1 ) CALL dom_uniq( zprw, 'T' ) DO jj = 1, jpj DO ji = 1, jpi jk=mikt(ji,jj) zprt(ji,jj) = tmask(ji,jj,jk) * zprw(ji,jj) ! ! unique point mask END DO END DO ! ! unique point mask CALL iom_rstput( 0, 0, inum2, 'tmaskutil', zprt, ktype = jp_i1 ) CALL dom_uniq( zprw, 'U' ) DO jj = 1, jpj DO ji = 1, jpi jk=miku(ji,jj) zprt(ji,jj) = umask(ji,jj,jk) * zprw(ji,jj) ! ! unique point mask END DO END DO CALL iom_rstput( 0, 0, inum2, 'umaskutil', zprt, ktype = jp_i1 ) CALL dom_uniq( zprw, 'V' ) DO jj = 1, jpj DO ji = 1, jpi jk=mikv(ji,jj) zprt(ji,jj) = vmask(ji,jj,jk) * zprw(ji,jj) ! ! unique point mask END DO END DO CALL iom_rstput( 0, 0, inum2, 'vmaskutil', zprt, ktype = jp_i1 ) CALL dom_uniq( zprw, 'F' ) DO jj = 1, jpj DO ji = 1, jpi jk=mikf(ji,jj) zprt(ji,jj) = fmask(ji,jj,jk) * zprw(ji,jj) ! ! unique point mask END DO END DO CALL iom_rstput( 0, 0, inum2, 'fmaskutil', zprt, ktype = jp_i1 ) ! ! horizontal mesh (inum3) CALL iom_rstput( 0, 0, inum3, 'glamt', glamt, ktype = jp_r8 ) ! ! latitude CALL iom_rstput( 0, 0, inum3, 'glamu', glamu, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum3, 'glamv', glamv, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum3, 'glamf', glamf, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum3, 'gphit', gphit, ktype = jp_r8 ) ! ! longitude CALL iom_rstput( 0, 0, inum3, 'gphiu', gphiu, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum3, 'gphiv', gphiv, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum3, 'gphif', gphif, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum3, 'e1t', e1t, ktype = jp_r8 ) ! ! e1 scale factors CALL iom_rstput( 0, 0, inum3, 'e1u', e1u, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum3, 'e1v', e1v, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum3, 'e1f', e1f, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum3, 'e2t', e2t, ktype = jp_r8 ) ! ! e2 scale factors CALL iom_rstput( 0, 0, inum3, 'e2u', e2u, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum3, 'e2v', e2v, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum3, 'e2f', e2f, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum3, 'ff_f', ff_f, ktype = jp_r8 ) ! ! coriolis factor CALL iom_rstput( 0, 0, inum3, 'ff_t', ff_t, ktype = jp_r8 ) ! ! coriolis factor ! note that mbkt is set to 1 over land ==> use surface tmask zprt(:,:) = ssmask(:,:) * REAL( mbkt(:,:) , wp ) CALL iom_rstput( 0, 0, inum4, 'mbathy', zprt, ktype = jp_i2 ) ! ! nb of ocean T-points zprt(:,:) = ssmask(:,:) * REAL( mikt(:,:) , wp ) CALL iom_rstput( 0, 0, inum4, 'misf', zprt, ktype = jp_i2 ) ! ! nb of ocean T-points zprt(:,:) = ssmask(:,:) * REAL( risfdep(:,:) , wp ) CALL iom_rstput( 0, 0, inum4, 'isfdraft', zprt, ktype = jp_r8 ) ! ! nb of ocean T-points IF( ln_sco ) THEN ! s-coordinate CALL iom_rstput( 0, 0, inum4, 'hbatt', hbatt ) CALL iom_rstput( 0, 0, inum4, 'hbatu', hbatu ) CALL iom_rstput( 0, 0, inum4, 'hbatv', hbatv ) CALL iom_rstput( 0, 0, inum4, 'hbatf', hbatf ) ! CALL iom_rstput( 0, 0, inum4, 'gsigt', gsigt ) ! ! scaling coef. CALL iom_rstput( 0, 0, inum4, 'gsigw', gsigw ) CALL iom_rstput( 0, 0, inum4, 'gsi3w', gsi3w ) CALL iom_rstput( 0, 0, inum4, 'esigt', esigt ) CALL iom_rstput( 0, 0, inum4, 'esigw', esigw ) ! CALL iom_rstput( 0, 0, inum4, 'e3t_0', e3t_0 ) ! ! scale factors CALL iom_rstput( 0, 0, inum4, 'e3u_0', e3u_0 ) CALL iom_rstput( 0, 0, inum4, 'e3v_0', e3v_0 ) CALL iom_rstput( 0, 0, inum4, 'e3w_0', e3w_0 ) ! CALL iom_rstput( 0, 0, inum4, 'gdept_1d' , gdept_1d ) ! ! stretched system CALL iom_rstput( 0, 0, inum4, 'gdepw_1d' , gdepw_1d ) CALL iom_rstput( 0, 0, inum4, 'gdept_0', gdept_0, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum4, 'gdepw_0', gdepw_0, ktype = jp_r8 ) CALL dom_stiff( zprt ) CALL iom_rstput( 0, 0, inum, 'stiffness', zprt ) ! ! Max. grid stiffness ratio ENDIF IF( ln_zps ) THEN ! z-coordinate - partial steps ! IF( nmsh <= 6 ) THEN ! ! 3D vertical scale factors CALL iom_rstput( 0, 0, inum4, 'e3t_0', e3t_0 ) CALL iom_rstput( 0, 0, inum4, 'e3u_0', e3u_0 ) CALL iom_rstput( 0, 0, inum4, 'e3v_0', e3v_0 ) CALL iom_rstput( 0, 0, inum4, 'e3w_0', e3w_0 ) ELSE ! ! 2D masked bottom ocean scale factors DO jj = 1,jpj DO ji = 1,jpi e3tp(ji,jj) = e3t_0(ji,jj,mbkt(ji,jj)) * ssmask(ji,jj) e3wp(ji,jj) = e3w_0(ji,jj,mbkt(ji,jj)) * ssmask(ji,jj) END DO END DO CALL iom_rstput( 0, 0, inum4, 'e3t_ps', e3tp ) CALL iom_rstput( 0, 0, inum4, 'e3w_ps', e3wp ) END IF ! IF( nmsh <= 3 ) THEN ! ! 3D depth CALL iom_rstput( 0, 0, inum4, 'gdept_0', gdept_0, ktype = jp_r8 ) DO jk = 1,jpk DO jj = 1, jpjm1 DO ji = 1, jpim1 ! vector opt. zdepu(ji,jj,jk) = MIN( gdept_0(ji,jj,jk) , gdept_0(ji+1,jj ,jk) ) zdepv(ji,jj,jk) = MIN( gdept_0(ji,jj,jk) , gdept_0(ji ,jj+1,jk) ) END DO END DO END DO CALL lbc_lnk( zdepu, 'U', 1. ) ; CALL lbc_lnk( zdepv, 'V', 1. ) CALL iom_rstput( 0, 0, inum4, 'gdepu', zdepu, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum4, 'gdepv', zdepv, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum4, 'gdepw_0', gdepw_0, ktype = jp_r8 ) ELSE ! ! 2D bottom depth DO jj = 1,jpj DO ji = 1,jpi zprt(ji,jj) = gdept_0(ji,jj,mbkt(ji,jj) ) * ssmask(ji,jj) zprw(ji,jj) = gdepw_0(ji,jj,mbkt(ji,jj)+1) * ssmask(ji,jj) END DO END DO CALL iom_rstput( 0, 0, inum4, 'hdept', zprt, ktype = jp_r8 ) CALL iom_rstput( 0, 0, inum4, 'hdepw', zprw, ktype = jp_r8 ) ENDIF ! CALL iom_rstput( 0, 0, inum4, 'gdept_1d', gdept_1d ) ! ! reference z-coord. CALL iom_rstput( 0, 0, inum4, 'gdepw_1d', gdepw_1d ) CALL iom_rstput( 0, 0, inum4, 'e3t_1d' , e3t_1d ) CALL iom_rstput( 0, 0, inum4, 'e3w_1d' , e3w_1d ) ENDIF IF( ln_zco ) THEN ! ! z-coordinate - full steps CALL iom_rstput( 0, 0, inum4, 'gdept_1d', gdept_1d ) ! ! depth CALL iom_rstput( 0, 0, inum4, 'gdepw_1d', gdepw_1d ) CALL iom_rstput( 0, 0, inum4, 'e3t_1d' , e3t_1d ) ! ! scale factors CALL iom_rstput( 0, 0, inum4, 'e3w_1d' , e3w_1d ) ENDIF ! ! ============================ ! ! close the files ! ! ============================ SELECT CASE ( MOD(nmsh, 3) ) CASE ( 1 ) CALL iom_close( inum0 ) CASE ( 2 ) CALL iom_close( inum1 ) CALL iom_close( inum2 ) CASE ( 0 ) CALL iom_close( inum2 ) CALL iom_close( inum3 ) CALL iom_close( inum4 ) END SELECT ! CALL wrk_dealloc( jpi, jpj, zprt, zprw ) CALL wrk_dealloc( jpi, jpj, jpk, zdepu, zdepv ) ! IF( nn_timing == 1 ) CALL timing_stop('dom_wri') ! END SUBROUTINE dom_wri SUBROUTINE dom_uniq( puniq, cdgrd ) !!---------------------------------------------------------------------- !! *** ROUTINE dom_uniq *** !! !! ** Purpose : identify unique point of a grid (TUVF) !! !! ** Method : 1) aplly lbc_lnk on an array with different values for each element !! 2) check which elements have been changed !!---------------------------------------------------------------------- ! CHARACTER(len=1) , INTENT(in ) :: cdgrd ! REAL(wp), DIMENSION(:,:), INTENT(inout) :: puniq ! ! REAL(wp) :: zshift ! shift value link to the process number INTEGER :: ji ! dummy loop indices LOGICAL, DIMENSION(SIZE(puniq,1),SIZE(puniq,2),1) :: lldbl ! store whether each point is unique or not REAL(wp), POINTER, DIMENSION(:,:) :: ztstref !!---------------------------------------------------------------------- ! IF( nn_timing == 1 ) CALL timing_start('dom_uniq') ! CALL wrk_alloc( jpi, jpj, ztstref ) ! ! build an array with different values for each element ! in mpp: make sure that these values are different even between process ! -> apply a shift value according to the process number zshift = jpi * jpj * ( narea - 1 ) ztstref(:,:) = RESHAPE( (/ (zshift + REAL(ji,wp), ji = 1, jpi*jpj) /), (/ jpi, jpj /) ) ! puniq(:,:) = ztstref(:,:) ! default definition CALL lbc_lnk( puniq, cdgrd, 1. ) ! apply boundary conditions lldbl(:,:,1) = puniq(:,:) == ztstref(:,:) ! check which values have been changed ! puniq(:,:) = 1. ! default definition ! fill only the inner part of the cpu with llbl converted into real puniq(nldi:nlei,nldj:nlej) = REAL( COUNT( lldbl(nldi:nlei,nldj:nlej,:), dim = 3 ) , wp ) ! CALL wrk_dealloc( jpi, jpj, ztstref ) ! IF( nn_timing == 1 ) CALL timing_stop('dom_uniq') ! END SUBROUTINE dom_uniq SUBROUTINE dom_stiff( px1 ) !!---------------------------------------------------------------------- !! *** ROUTINE dom_stiff *** !! !! ** Purpose : Diagnose maximum grid stiffness/hydrostatic consistency !! !! ** Method : Compute Haney (1991) hydrostatic condition ratio !! Save the maximum in the vertical direction !! (this number is only relevant in s-coordinates) !! !! Haney, 1991, J. Phys. Oceanogr., 21, 610-619. !!---------------------------------------------------------------------- REAL(wp), DIMENSION(:,:), INTENT(out), OPTIONAL :: px1 ! stiffness ! INTEGER :: ji, jj, jk REAL(wp) :: zrxmax REAL(wp), DIMENSION(4) :: zr1 REAL(wp), DIMENSION(jpi,jpj) :: zx1 !!---------------------------------------------------------------------- zx1(:,:) = 0._wp zrxmax = 0._wp zr1(:) = 0._wp ! DO ji = 2, jpim1 DO jj = 2, jpjm1 DO jk = 1, jpkm1 !!gm remark: dk(gdepw) = e3t ===>>> possible simplification of the following calculation.... !! especially since it is gde3w which is used to compute the pressure gradient !! furthermore, I think gdept_0 should be used below instead of w point in the numerator !! so that the ratio is computed at the same point (i.e. uw and vw) .... zr1(1) = ABS( ( gdepw_0(ji ,jj,jk )-gdepw_0(ji-1,jj,jk ) & & +gdepw_0(ji ,jj,jk+1)-gdepw_0(ji-1,jj,jk+1) ) & & / ( gdepw_0(ji ,jj,jk )+gdepw_0(ji-1,jj,jk ) & & -gdepw_0(ji ,jj,jk+1)-gdepw_0(ji-1,jj,jk+1) + rsmall ) ) * umask(ji-1,jj,jk) zr1(2) = ABS( ( gdepw_0(ji+1,jj,jk )-gdepw_0(ji ,jj,jk ) & & +gdepw_0(ji+1,jj,jk+1)-gdepw_0(ji ,jj,jk+1) ) & & / ( gdepw_0(ji+1,jj,jk )+gdepw_0(ji ,jj,jk ) & & -gdepw_0(ji+1,jj,jk+1)-gdepw_0(ji ,jj,jk+1) + rsmall ) ) * umask(ji ,jj,jk) zr1(3) = ABS( ( gdepw_0(ji,jj+1,jk )-gdepw_0(ji,jj ,jk ) & & +gdepw_0(ji,jj+1,jk+1)-gdepw_0(ji,jj ,jk+1) ) & & / ( gdepw_0(ji,jj+1,jk )+gdepw_0(ji,jj ,jk ) & & -gdepw_0(ji,jj+1,jk+1)-gdepw_0(ji,jj ,jk+1) + rsmall ) ) * vmask(ji,jj ,jk) zr1(4) = ABS( ( gdepw_0(ji,jj ,jk )-gdepw_0(ji,jj-1,jk ) & & +gdepw_0(ji,jj ,jk+1)-gdepw_0(ji,jj-1,jk+1) ) & & / ( gdepw_0(ji,jj ,jk )+gdepw_0(ji,jj-1,jk ) & & -gdepw_0(ji,jj ,jk+1)-gdepw_0(ji,jj-1,jk+1) + rsmall ) ) * vmask(ji,jj-1,jk) zrxmax = MAXVAL( zr1(1:4) ) zx1(ji,jj) = MAX( zx1(ji,jj) , zrxmax ) END DO END DO END DO CALL lbc_lnk( zx1, 'T', 1. ) ! IF( PRESENT( px1 ) ) px1 = zx1 ! zrxmax = MAXVAL( zx1 ) ! IF( lk_mpp ) CALL mpp_max( zrxmax ) ! max over the global domain ! IF(lwp) THEN WRITE(numout,*) WRITE(numout,*) 'dom_stiff : maximum grid stiffness ratio: ', zrxmax WRITE(numout,*) '~~~~~~~~~' ENDIF ! END SUBROUTINE dom_stiff !!====================================================================== END MODULE domwri