MODULE domzgr !!============================================================================== !! *** MODULE domzgr *** !! Ocean initialization : domain initialization !!============================================================================== !! History : OPA ! 1995-12 (G. Madec) Original code : s vertical coordinate !! ! 1997-07 (G. Madec) lbc_lnk call !! ! 1997-04 (J.-O. Beismann) !! 8.5 ! 2002-09 (A. Bozec, G. Madec) F90: Free form and module !! - ! 2002-09 (A. de Miranda) rigid-lid + islands !! NEMO 1.0 ! 2003-08 (G. Madec) F90: Free form and module !! - ! 2005-10 (A. Beckmann) modifications for hybrid s-ccordinates & new stretching function !! 2.0 ! 2006-04 (R. Benshila, G. Madec) add zgr_zco !! 3.0 ! 2008-06 (G. Madec) insertion of domzgr_zps.h90 & conding style !! 3.2 ! 2009-07 (R. Benshila) Suppression of rigid-lid option !! 3.3 ! 2010-11 (G. Madec) add mbk. arrays associated to the deepest ocean level !! 3.4 ! 2012-08 (J. Siddorn) added Siddorn and Furner stretching function !! 3.4 ! 2012-12 (R. Bourdalle-Badie and G. Reffray) modify C1D case !! 3.6 ! 2014-11 (P. Mathiot and C. Harris) add ice shelf capabilitye !!---------------------------------------------------------------------- !!---------------------------------------------------------------------- !! dom_zgr : defined the ocean vertical coordinate system !! zgr_bat : bathymetry fields (levels and meters) !! zgr_bat_zoom : modify the bathymetry field if zoom domain !! zgr_bat_ctl : check the bathymetry files !! zgr_bot_level: deepest ocean level for t-, u, and v-points !! zgr_z : reference z-coordinate !! zgr_zco : z-coordinate !! zgr_zps : z-coordinate with partial steps !! zgr_sco : s-coordinate !! fssig : tanh stretch function !! fssig1 : Song and Haidvogel 1994 stretch function !! fgamma : Siddorn and Furner 2012 stretching function !!--------------------------------------------------------------------- USE oce ! ocean variables USE dom_oce ! ocean domain USE closea ! closed seas USE c1d ! 1D vertical configuration USE in_out_manager ! I/O manager USE iom ! I/O library USE lbclnk ! ocean lateral boundary conditions (or mpp link) USE lib_mpp ! distributed memory computing library USE wrk_nemo ! Memory allocation USE timing ! Timing IMPLICIT NONE PRIVATE PUBLIC dom_zgr ! called by dom_init.F90 ! !!* Namelist namzgr_sco * LOGICAL :: ln_s_sh94 ! use hybrid s-sig Song and Haidvogel 1994 stretching function fssig1 (ln_sco=T) LOGICAL :: ln_s_sf12 ! use hybrid s-z-sig Siddorn and Furner 2012 stretching function fgamma (ln_sco=T) ! REAL(wp) :: rn_sbot_min ! minimum depth of s-bottom surface (>0) (m) REAL(wp) :: rn_sbot_max ! maximum depth of s-bottom surface (= ocean depth) (>0) (m) REAL(wp) :: rn_rmax ! maximum cut-off r-value allowed (0 1 stretch towards surface, < 1 towards seabed) REAL(wp) :: rn_efold ! efold length scale for transition to stretched coord REAL(wp) :: rn_zs ! depth of surface grid box ! bottom cell depth (Zb) is a linear function of water depth Zb = H*a + b REAL(wp) :: rn_zb_a ! bathymetry scaling factor for calculating Zb REAL(wp) :: rn_zb_b ! offset for calculating Zb !! * Substitutions # include "domzgr_substitute.h90" # include "vectopt_loop_substitute.h90" !!---------------------------------------------------------------------- !! NEMO/OPA 3.3.1 , NEMO Consortium (2011) !! $Id: domzgr.F90 5506 2015-06-29 15:19:38Z clevy $ !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) !!---------------------------------------------------------------------- CONTAINS SUBROUTINE dom_zgr !!---------------------------------------------------------------------- !! *** ROUTINE dom_zgr *** !! !! ** Purpose : set the depth of model levels and the resulting !! vertical scale factors. !! !! ** Method : - reference 1D vertical coordinate (gdep._1d, e3._1d) !! - read/set ocean depth and ocean levels (bathy, mbathy) !! - vertical coordinate (gdep., e3.) depending on the !! coordinate chosen : !! ln_zco=T z-coordinate !! ln_zps=T z-coordinate with partial steps !! ln_zco=T s-coordinate !! !! ** Action : define gdep., e3., mbathy and bathy !!---------------------------------------------------------------------- INTEGER :: ioptio, ibat ! local integer INTEGER :: ios ! NAMELIST/namzgr/ ln_zco, ln_zps, ln_sco, ln_isfcav !!---------------------------------------------------------------------- ! IF( nn_timing == 1 ) CALL timing_start('dom_zgr') ! REWIND( numnam_ref ) ! Namelist namzgr in reference namelist : Vertical coordinate READ ( numnam_ref, namzgr, IOSTAT = ios, ERR = 901 ) 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namzgr in reference namelist', lwp ) REWIND( numnam_cfg ) ! Namelist namzgr in configuration namelist : Vertical coordinate READ ( numnam_cfg, namzgr, IOSTAT = ios, ERR = 902 ) 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namzgr in configuration namelist', lwp ) IF(lwm) WRITE ( numond, namzgr ) IF(lwp) THEN ! Control print WRITE(numout,*) WRITE(numout,*) 'dom_zgr : vertical coordinate' WRITE(numout,*) '~~~~~~~' WRITE(numout,*) ' Namelist namzgr : set vertical coordinate' WRITE(numout,*) ' z-coordinate - full steps ln_zco = ', ln_zco WRITE(numout,*) ' z-coordinate - partial steps ln_zps = ', ln_zps WRITE(numout,*) ' s- or hybrid z-s-coordinate ln_sco = ', ln_sco WRITE(numout,*) ' ice shelf cavities ln_isfcav = ', ln_isfcav ENDIF ioptio = 0 ! Check Vertical coordinate options IF( ln_zco ) ioptio = ioptio + 1 IF( ln_zps ) ioptio = ioptio + 1 IF( ln_sco ) ioptio = ioptio + 1 IF( ioptio /= 1 ) CALL ctl_stop( ' none or several vertical coordinate options used' ) ! ! Build the vertical coordinate system ! ------------------------------------ CALL zgr_z ! Reference z-coordinate system (always called) CALL zgr_bat ! Bathymetry fields (levels and meters) IF( lk_c1d ) CALL lbc_lnk( bathy , 'T', 1._wp ) ! 1D config.: same bathy value over the 3x3 domain IF( ln_zco ) CALL zgr_zco ! z-coordinate IF( ln_zps ) CALL zgr_zps ! Partial step z-coordinate IF( ln_sco ) CALL zgr_sco ! s-coordinate or hybrid z-s coordinate ! ! final adjustment of mbathy & check ! ----------------------------------- IF( lzoom ) CALL zgr_bat_zoom ! correct mbathy in case of zoom subdomain IF( .NOT.lk_c1d ) CALL zgr_bat_ctl ! check bathymetry (mbathy) and suppress isolated ocean points CALL zgr_bot_level ! deepest ocean level for t-, u- and v-points CALL zgr_top_level ! shallowest ocean level for T-, U-, V- points ! IF( lk_c1d ) THEN ! 1D config.: same mbathy value over the 3x3 domain ibat = mbathy(2,2) mbathy(:,:) = ibat END IF ! IF( nprint == 1 .AND. lwp ) THEN WRITE(numout,*) ' MIN val mbathy ', MINVAL( mbathy(:,:) ), ' MAX ', MAXVAL( mbathy(:,:) ) WRITE(numout,*) ' MIN val depth t ', MINVAL( gdept_0(:,:,:) ), & & ' w ', MINVAL( gdepw_0(:,:,:) ), '3w ', MINVAL( gdep3w_0(:,:,:) ) WRITE(numout,*) ' MIN val e3 t ', MINVAL( e3t_0(:,:,:) ), ' f ', MINVAL( e3f_0(:,:,:) ), & & ' u ', MINVAL( e3u_0(:,:,:) ), ' u ', MINVAL( e3v_0(:,:,:) ), & & ' uw', MINVAL( e3uw_0(:,:,:)), ' vw', MINVAL( e3vw_0(:,:,:)), & & ' w ', MINVAL( e3w_0(:,:,:) ) WRITE(numout,*) ' MAX val depth t ', MAXVAL( gdept_0(:,:,:) ), & & ' w ', MAXVAL( gdepw_0(:,:,:) ), '3w ', MAXVAL( gdep3w_0(:,:,:) ) WRITE(numout,*) ' MAX val e3 t ', MAXVAL( e3t_0(:,:,:) ), ' f ', MAXVAL( e3f_0(:,:,:) ), & & ' u ', MAXVAL( e3u_0(:,:,:) ), ' u ', MAXVAL( e3v_0(:,:,:) ), & & ' uw', MAXVAL( e3uw_0(:,:,:)), ' vw', MAXVAL( e3vw_0(:,:,:)), & & ' w ', MAXVAL( e3w_0(:,:,:) ) ENDIF ! IF( nn_timing == 1 ) CALL timing_stop('dom_zgr') ! END SUBROUTINE dom_zgr SUBROUTINE zgr_z !!---------------------------------------------------------------------- !! *** ROUTINE zgr_z *** !! !! ** Purpose : set the depth of model levels and the resulting !! vertical scale factors. !! !! ** Method : z-coordinate system (use in all type of coordinate) !! The depth of model levels is defined from an analytical !! function the derivative of which gives the scale factors. !! both depth and scale factors only depend on k (1d arrays). !! w-level: gdepw_1d = gdep(k) !! e3w_1d(k) = dk(gdep)(k) = e3(k) !! t-level: gdept_1d = gdep(k+0.5) !! e3t_1d(k) = dk(gdep)(k+0.5) = e3(k+0.5) !! !! ** Action : - gdept_1d, gdepw_1d : depth of T- and W-point (m) !! - e3t_1d , e3w_1d : scale factors at T- and W-levels (m) !! !! Reference : Marti, Madec & Delecluse, 1992, JGR, 97, No8, 12,763-12,766. !!---------------------------------------------------------------------- INTEGER :: jk ! dummy loop indices REAL(wp) :: zt, zw ! temporary scalars REAL(wp) :: zsur, za0, za1, zkth ! Values set from parameters in REAL(wp) :: zacr, zdzmin, zhmax ! par_CONFIG_Rxx.h90 REAL(wp) :: zrefdep ! depth of the reference level (~10m) REAL(wp) :: za2, zkth2, zacr2 ! Values for optional double tanh function set from parameters !!---------------------------------------------------------------------- ! IF( nn_timing == 1 ) CALL timing_start('zgr_z') ! ! Set variables from parameters ! ------------------------------ zkth = ppkth ; zacr = ppacr zdzmin = ppdzmin ; zhmax = pphmax zkth2 = ppkth2 ; zacr2 = ppacr2 ! optional (ldbletanh=T) double tanh parameters ! If ppa1 and ppa0 and ppsur are et to pp_to_be_computed ! za0, za1, zsur are computed from ppdzmin , pphmax, ppkth, ppacr IF( ppa1 == pp_to_be_computed .AND. & & ppa0 == pp_to_be_computed .AND. & & ppsur == pp_to_be_computed ) THEN ! #if defined key_agrif za1 = ( ppdzmin - pphmax / FLOAT(jpkdta-1) ) & & / ( TANH((1-ppkth)/ppacr) - ppacr/FLOAT(jpkdta-1) * ( LOG( COSH( (jpkdta - ppkth) / ppacr) )& & - LOG( COSH( ( 1 - ppkth) / ppacr) ) ) ) #else za1 = ( ppdzmin - pphmax / FLOAT(jpkm1) ) & & / ( TANH((1-ppkth)/ppacr) - ppacr/FLOAT(jpk-1) * ( LOG( COSH( (jpk - ppkth) / ppacr) ) & & - LOG( COSH( ( 1 - ppkth) / ppacr) ) ) ) #endif za0 = ppdzmin - za1 * TANH( (1-ppkth) / ppacr ) zsur = - za0 - za1 * ppacr * LOG( COSH( (1-ppkth) / ppacr ) ) ELSE za1 = ppa1 ; za0 = ppa0 ; zsur = ppsur za2 = ppa2 ! optional (ldbletanh=T) double tanh parameter ENDIF IF(lwp) THEN ! Parameter print WRITE(numout,*) WRITE(numout,*) ' zgr_z : Reference vertical z-coordinates' WRITE(numout,*) ' ~~~~~~~' IF( ppkth == 0._wp ) THEN WRITE(numout,*) ' Uniform grid with ',jpk-1,' layers' WRITE(numout,*) ' Total depth :', zhmax #if defined key_agrif WRITE(numout,*) ' Layer thickness:', zhmax/(jpkdta-1) #else WRITE(numout,*) ' Layer thickness:', zhmax/(jpk-1) #endif ELSE IF( ppa1 == 0._wp .AND. ppa0 == 0._wp .AND. ppsur == 0._wp ) THEN WRITE(numout,*) ' zsur, za0, za1 computed from ' WRITE(numout,*) ' zdzmin = ', zdzmin WRITE(numout,*) ' zhmax = ', zhmax ENDIF WRITE(numout,*) ' Value of coefficients for vertical mesh:' WRITE(numout,*) ' zsur = ', zsur WRITE(numout,*) ' za0 = ', za0 WRITE(numout,*) ' za1 = ', za1 WRITE(numout,*) ' zkth = ', zkth WRITE(numout,*) ' zacr = ', zacr IF( ldbletanh ) THEN WRITE(numout,*) ' (Double tanh za2 = ', za2 WRITE(numout,*) ' parameters) zkth2= ', zkth2 WRITE(numout,*) ' zacr2= ', zacr2 ENDIF ENDIF ENDIF ! Reference z-coordinate (depth - scale factor at T- and W-points) ! ====================== IF( ppkth == 0._wp ) THEN ! uniform vertical grid #if defined key_agrif za1 = zhmax / FLOAT(jpkdta-1) #else za1 = zhmax / FLOAT(jpk-1) #endif DO jk = 1, jpk zw = FLOAT( jk ) zt = FLOAT( jk ) + 0.5_wp gdepw_1d(jk) = ( zw - 1 ) * za1 gdept_1d(jk) = ( zt - 1 ) * za1 e3w_1d (jk) = za1 e3t_1d (jk) = za1 END DO ELSE ! Madec & Imbard 1996 function IF( .NOT. ldbletanh ) THEN DO jk = 1, jpk zw = REAL( jk , wp ) zt = REAL( jk , wp ) + 0.5_wp gdepw_1d(jk) = ( zsur + za0 * zw + za1 * zacr * LOG ( COSH( (zw-zkth) / zacr ) ) ) gdept_1d(jk) = ( zsur + za0 * zt + za1 * zacr * LOG ( COSH( (zt-zkth) / zacr ) ) ) e3w_1d (jk) = za0 + za1 * TANH( (zw-zkth) / zacr ) e3t_1d (jk) = za0 + za1 * TANH( (zt-zkth) / zacr ) END DO ELSE DO jk = 1, jpk zw = FLOAT( jk ) zt = FLOAT( jk ) + 0.5_wp ! Double tanh function gdepw_1d(jk) = ( zsur + za0 * zw + za1 * zacr * LOG ( COSH( (zw-zkth ) / zacr ) ) & & + za2 * zacr2* LOG ( COSH( (zw-zkth2) / zacr2 ) ) ) gdept_1d(jk) = ( zsur + za0 * zt + za1 * zacr * LOG ( COSH( (zt-zkth ) / zacr ) ) & & + za2 * zacr2* LOG ( COSH( (zt-zkth2) / zacr2 ) ) ) e3w_1d (jk) = za0 + za1 * TANH( (zw-zkth ) / zacr ) & & + za2 * TANH( (zw-zkth2) / zacr2 ) e3t_1d (jk) = za0 + za1 * TANH( (zt-zkth ) / zacr ) & & + za2 * TANH( (zt-zkth2) / zacr2 ) END DO ENDIF gdepw_1d(1) = 0._wp ! force first w-level to be exactly at zero ENDIF IF ( ln_isfcav ) THEN ! need to be like this to compute the pressure gradient with ISF. If not, level beneath the ISF are not aligned (sum(e3t) /= depth) ! define e3t_0 and e3w_0 as the differences between gdept and gdepw respectively DO jk = 1, jpkm1 e3t_1d(jk) = gdepw_1d(jk+1)-gdepw_1d(jk) END DO e3t_1d(jpk) = e3t_1d(jpk-1) ! we don't care because this level is masked in NEMO DO jk = 2, jpk e3w_1d(jk) = gdept_1d(jk) - gdept_1d(jk-1) END DO e3w_1d(1 ) = 2._wp * (gdept_1d(1) - gdepw_1d(1)) END IF !!gm BUG in s-coordinate this does not work! ! deepest/shallowest W level Above/Below ~10m zrefdep = 10._wp - 0.1_wp * MINVAL( e3w_1d ) ! ref. depth with tolerance (10% of minimum layer thickness) nlb10 = MINLOC( gdepw_1d, mask = gdepw_1d > zrefdep, dim = 1 ) ! shallowest W level Below ~10m nla10 = nlb10 - 1 ! deepest W level Above ~10m !!gm end bug IF(lwp) THEN ! control print WRITE(numout,*) WRITE(numout,*) ' Reference z-coordinate depth and scale factors:' WRITE(numout, "(9x,' level gdept_1d gdepw_1d e3t_1d e3w_1d ')" ) WRITE(numout, "(10x, i4, 4f9.2)" ) ( jk, gdept_1d(jk), gdepw_1d(jk), e3t_1d(jk), e3w_1d(jk), jk = 1, jpk ) ENDIF DO jk = 1, jpk ! control positivity IF( e3w_1d (jk) <= 0._wp .OR. e3t_1d (jk) <= 0._wp ) CALL ctl_stop( 'dom:zgr_z: e3w_1d or e3t_1d =< 0 ' ) IF( gdepw_1d(jk) < 0._wp .OR. gdept_1d(jk) < 0._wp ) CALL ctl_stop( 'dom:zgr_z: gdepw_1d or gdept_1d < 0 ' ) END DO ! IF( nn_timing == 1 ) CALL timing_stop('zgr_z') ! END SUBROUTINE zgr_z SUBROUTINE zgr_bat !!---------------------------------------------------------------------- !! *** ROUTINE zgr_bat *** !! !! ** Purpose : set bathymetry both in levels and meters !! !! ** Method : read or define mbathy and bathy arrays !! * level bathymetry: !! The ocean basin geometry is given by a two-dimensional array, !! mbathy, which is defined as follow : !! mbathy(ji,jj) = 1, ..., jpk-1, the number of ocean level !! at t-point (ji,jj). !! = 0 over the continental t-point. !! The array mbathy is checked to verified its consistency with !! model option. in particular: !! mbathy must have at least 1 land grid-points (mbathy<=0) !! along closed boundary. !! mbathy must be cyclic IF jperio=1. !! mbathy must be lower or equal to jpk-1. !! isolated ocean grid points are suppressed from mbathy !! since they are only connected to remaining !! ocean through vertical diffusion. !! ntopo=-1 : rectangular channel or bassin with a bump !! ntopo= 0 : flat rectangular channel or basin !! ntopo= 1 : mbathy is read in 'bathy_level.nc' NetCDF file !! bathy is read in 'bathy_meter.nc' NetCDF file !! !! ** Action : - mbathy: level bathymetry (in level index) !! - bathy : meter bathymetry (in meters) !!---------------------------------------------------------------------- INTEGER :: ji, jj, jl, jk ! dummy loop indices INTEGER :: inum ! temporary logical unit INTEGER :: ierror ! error flag INTEGER :: ii_bump, ij_bump, ih ! bump center position INTEGER :: ii0, ii1, ij0, ij1, ik ! local indices REAL(wp) :: r_bump , h_bump , h_oce ! bump characteristics REAL(wp) :: zi, zj, zh, zhmin ! local scalars INTEGER , ALLOCATABLE, DIMENSION(:,:) :: idta ! global domain integer data REAL(wp), ALLOCATABLE, DIMENSION(:,:) :: zdta ! global domain scalar data !!---------------------------------------------------------------------- ! IF( nn_timing == 1 ) CALL timing_start('zgr_bat') ! IF(lwp) WRITE(numout,*) IF(lwp) WRITE(numout,*) ' zgr_bat : defines level and meter bathymetry' IF(lwp) WRITE(numout,*) ' ~~~~~~~' ! ! (ISF) initialisation ice shelf draft and top level risfdep(:,:)=0._wp misfdep(:,:)=1 ! ! ================== ! IF( ntopo == 0 .OR. ntopo == -1 ) THEN ! defined by hand ! ! ! ================== ! ! ! global domain level and meter bathymetry (idta,zdta) ! ALLOCATE( idta(jpidta,jpjdta), STAT=ierror ) IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'zgr_bat: unable to allocate idta array' ) ALLOCATE( zdta(jpidta,jpjdta), STAT=ierror ) IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'zgr_bat: unable to allocate zdta array' ) ! IF( ntopo == 0 ) THEN ! flat basin IF(lwp) WRITE(numout,*) IF(lwp) WRITE(numout,*) ' bathymetry field: flat basin' IF( rn_bathy > 0.01 ) THEN IF(lwp) WRITE(numout,*) ' Depth = rn_bathy read in namelist' zdta(:,:) = rn_bathy IF( ln_sco ) THEN ! s-coordinate (zsc ): idta()=jpk idta(:,:) = jpkm1 ELSE ! z-coordinate (zco or zps): step-like topography idta(:,:) = jpkm1 DO jk = 1, jpkm1 WHERE( gdept_1d(jk) < zdta(:,:) .AND. zdta(:,:) <= gdept_1d(jk+1) ) idta(:,:) = jk END DO ENDIF ELSE IF(lwp) WRITE(numout,*) ' Depth = depthw(jpkm1)' idta(:,:) = jpkm1 ! before last level zdta(:,:) = gdepw_1d(jpk) ! last w-point depth h_oce = gdepw_1d(jpk) ENDIF ELSE ! bump centered in the basin IF(lwp) WRITE(numout,*) IF(lwp) WRITE(numout,*) ' bathymetry field: flat basin with a bump' ii_bump = jpidta / 2 ! i-index of the bump center ij_bump = jpjdta / 2 ! j-index of the bump center r_bump = 50000._wp ! bump radius (meters) h_bump = 2700._wp ! bump height (meters) h_oce = gdepw_1d(jpk) ! background ocean depth (meters) IF(lwp) WRITE(numout,*) ' bump characteristics: ' IF(lwp) WRITE(numout,*) ' bump center (i,j) = ', ii_bump, ii_bump IF(lwp) WRITE(numout,*) ' bump height = ', h_bump , ' meters' IF(lwp) WRITE(numout,*) ' bump radius = ', r_bump , ' index' IF(lwp) WRITE(numout,*) ' background ocean depth = ', h_oce , ' meters' ! DO jj = 1, jpjdta ! zdta : DO ji = 1, jpidta zi = FLOAT( ji - ii_bump ) * ppe1_m / r_bump zj = FLOAT( jj - ij_bump ) * ppe2_m / r_bump zdta(ji,jj) = h_oce - h_bump * EXP( -( zi*zi + zj*zj ) ) END DO END DO ! ! idta : IF( ln_sco ) THEN ! s-coordinate (zsc ): idta()=jpk idta(:,:) = jpkm1 ELSE ! z-coordinate (zco or zps): step-like topography idta(:,:) = jpkm1 DO jk = 1, jpkm1 WHERE( gdept_1d(jk) < zdta(:,:) .AND. zdta(:,:) <= gdept_1d(jk+1) ) idta(:,:) = jk END DO ENDIF ENDIF ! ! set GLOBAL boundary conditions ! ! Caution : idta on the global domain: use of jperio, not nperio IF( jperio == 1 .OR. jperio == 4 .OR. jperio == 6 ) THEN idta( : , 1 ) = -1 ; zdta( : , 1 ) = -1._wp idta( : ,jpjdta) = 0 ; zdta( : ,jpjdta) = 0._wp ELSEIF( jperio == 2 ) THEN idta( : , 1 ) = idta( : , 3 ) ; zdta( : , 1 ) = zdta( : , 3 ) idta( : ,jpjdta) = 0 ; zdta( : ,jpjdta) = 0._wp idta( 1 , : ) = 0 ; zdta( 1 , : ) = 0._wp idta(jpidta, : ) = 0 ; zdta(jpidta, : ) = 0._wp ELSE ih = 0 ; zh = 0._wp IF( ln_sco ) ih = jpkm1 ; IF( ln_sco ) zh = h_oce idta( : , 1 ) = ih ; zdta( : , 1 ) = zh idta( : ,jpjdta) = ih ; zdta( : ,jpjdta) = zh idta( 1 , : ) = ih ; zdta( 1 , : ) = zh idta(jpidta, : ) = ih ; zdta(jpidta, : ) = zh ENDIF ! ! local domain level and meter bathymetries (mbathy,bathy) mbathy(:,:) = 0 ! set to zero extra halo points bathy (:,:) = 0._wp ! (require for mpp case) DO jj = 1, nlcj ! interior values DO ji = 1, nlci mbathy(ji,jj) = idta( mig(ji), mjg(jj) ) bathy (ji,jj) = zdta( mig(ji), mjg(jj) ) END DO END DO ! DEALLOCATE( idta, zdta ) ! ! ! ================ ! ELSEIF( ntopo == 1 ) THEN ! read in file ! (over the local domain) ! ! ================ ! ! IF( ln_zco ) THEN ! zco : read level bathymetry CALL iom_open ( 'bathy_level.nc', inum ) CALL iom_get ( inum, jpdom_data, 'Bathy_level', bathy ) CALL iom_close( inum ) mbathy(:,:) = INT( bathy(:,:) ) ! ! ===================== IF( cp_cfg == "orca" .AND. jp_cfg == 2 ) THEN ! ORCA R2 configuration ! ! ===================== IF( nn_cla == 0 ) THEN ii0 = 140 ; ii1 = 140 ! Gibraltar Strait open ij0 = 102 ; ij1 = 102 ! (Thomson, Ocean Modelling, 1995) DO ji = mi0(ii0), mi1(ii1) DO jj = mj0(ij0), mj1(ij1) mbathy(ji,jj) = 15 END DO END DO IF(lwp) WRITE(numout,*) IF(lwp) WRITE(numout,*) ' orca_r2: Gibraltar strait open at i=',ii0,' j=',ij0 ! ii0 = 160 ; ii1 = 160 ! Bab el mandeb Strait open ij0 = 88 ; ij1 = 88 ! (Thomson, Ocean Modelling, 1995) DO ji = mi0(ii0), mi1(ii1) DO jj = mj0(ij0), mj1(ij1) mbathy(ji,jj) = 12 END DO END DO IF(lwp) WRITE(numout,*) IF(lwp) WRITE(numout,*) ' orca_r2: Bab el Mandeb strait open at i=',ii0,' j=',ij0 ENDIF ! ENDIF ! ENDIF IF( ln_zps .OR. ln_sco ) THEN ! zps or sco : read meter bathymetry CALL iom_open ( 'bathy_meter.nc', inum ) IF ( ln_isfcav ) THEN CALL iom_get ( inum, jpdom_data, 'Bathymetry_isf', bathy, lrowattr=.false. ) ELSE CALL iom_get ( inum, jpdom_data, 'Bathymetry' , bathy, lrowattr=ln_use_jattr ) END IF CALL iom_close( inum ) ! IF ( ln_isfcav ) THEN CALL iom_open ( 'isf_draft_meter.nc', inum ) CALL iom_get ( inum, jpdom_data, 'isf_draft', risfdep ) CALL iom_close( inum ) WHERE( bathy(:,:) <= 0._wp ) risfdep(:,:) = 0._wp END IF ! IF( cp_cfg == "orca" .AND. jp_cfg == 2 ) THEN ! ORCA R2 configuration ! IF( nn_cla == 0 ) THEN ii0 = 140 ; ii1 = 140 ! Gibraltar Strait open ij0 = 102 ; ij1 = 102 ! (Thomson, Ocean Modelling, 1995) DO ji = mi0(ii0), mi1(ii1) DO jj = mj0(ij0), mj1(ij1) bathy(ji,jj) = 284._wp END DO END DO IF(lwp) WRITE(numout,*) IF(lwp) WRITE(numout,*) ' orca_r2: Gibraltar strait open at i=',ii0,' j=',ij0 ! ii0 = 160 ; ii1 = 160 ! Bab el mandeb Strait open ij0 = 88 ; ij1 = 88 ! (Thomson, Ocean Modelling, 1995) DO ji = mi0(ii0), mi1(ii1) DO jj = mj0(ij0), mj1(ij1) bathy(ji,jj) = 137._wp END DO END DO IF(lwp) WRITE(numout,*) IF(lwp) WRITE(numout,*) ' orca_r2: Bab el Mandeb strait open at i=',ii0,' j=',ij0 ENDIF ! ENDIF ! ENDIF ! ! =============== ! ELSE ! error ! ! ! =============== ! WRITE(ctmp1,*) 'parameter , ntopo = ', ntopo CALL ctl_stop( ' zgr_bat : '//trim(ctmp1) ) ENDIF ! IF( nn_closea == 0 ) CALL clo_bat( bathy, mbathy ) !== NO closed seas or lakes ==! ! IF ( .not. ln_sco ) THEN !== set a minimum depth ==! ! patch to avoid case bathy = ice shelf draft and bathy between 0 and zhmin IF ( ln_isfcav ) THEN WHERE (bathy == risfdep) bathy = 0.0_wp ; risfdep = 0.0_wp END WHERE END IF ! end patch IF( rn_hmin < 0._wp ) THEN ; ik = - INT( rn_hmin ) ! from a nb of level ELSE ; ik = MINLOC( gdepw_1d, mask = gdepw_1d > rn_hmin, dim = 1 ) ! from a depth ENDIF zhmin = gdepw_1d(ik+1) ! minimum depth = ik+1 w-levels WHERE( bathy(:,:) <= 0._wp ) ; bathy(:,:) = 0._wp ! min=0 over the lands ELSE WHERE ; bathy(:,:) = MAX( zhmin , bathy(:,:) ) ! min=zhmin over the oceans END WHERE IF(lwp) write(numout,*) 'Minimum ocean depth: ', zhmin, ' minimum number of ocean levels : ', ik ENDIF ! IF( nn_timing == 1 ) CALL timing_stop('zgr_bat') ! END SUBROUTINE zgr_bat SUBROUTINE zgr_bat_zoom !!---------------------------------------------------------------------- !! *** ROUTINE zgr_bat_zoom *** !! !! ** Purpose : - Close zoom domain boundary if necessary !! - Suppress Med Sea from ORCA R2 and R05 arctic zoom !! !! ** Method : !! !! ** Action : - update mbathy: level bathymetry (in level index) !!---------------------------------------------------------------------- INTEGER :: ii0, ii1, ij0, ij1 ! temporary integers !!---------------------------------------------------------------------- ! IF(lwp) WRITE(numout,*) IF(lwp) WRITE(numout,*) ' zgr_bat_zoom : modify the level bathymetry for zoom domain' IF(lwp) WRITE(numout,*) ' ~~~~~~~~~~~~' ! ! Zoom domain ! =========== ! ! Forced closed boundary if required IF( lzoom_s ) mbathy( : , mj0(jpjzoom):mj1(jpjzoom) ) = 0 IF( lzoom_w ) mbathy( mi0(jpizoom):mi1(jpizoom) , : ) = 0 IF( lzoom_e ) mbathy( mi0(jpiglo+jpizoom-1):mi1(jpiglo+jpizoom-1) , : ) = 0 IF( lzoom_n ) mbathy( : , mj0(jpjglo+jpjzoom-1):mj1(jpjglo+jpjzoom-1) ) = 0 ! ! Configuration specific domain modifications ! (here, ORCA arctic configuration: suppress Med Sea) IF( cp_cfg == "orca" .AND. cp_cfz == "arctic" ) THEN SELECT CASE ( jp_cfg ) ! ! ======================= CASE ( 2 ) ! ORCA_R2 configuration ! ! ======================= IF(lwp) WRITE(numout,*) ' ORCA R2 arctic zoom: suppress the Med Sea' ii0 = 141 ; ii1 = 162 ! Sea box i,j indices ij0 = 98 ; ij1 = 110 ! ! ======================= CASE ( 05 ) ! ORCA_R05 configuration ! ! ======================= IF(lwp) WRITE(numout,*) ' ORCA R05 arctic zoom: suppress the Med Sea' ii0 = 563 ; ii1 = 642 ! zero over the Med Sea boxe ij0 = 314 ; ij1 = 370 END SELECT ! mbathy( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 0 ! zero over the Med Sea boxe ! ENDIF ! END SUBROUTINE zgr_bat_zoom SUBROUTINE zgr_bat_ctl !!---------------------------------------------------------------------- !! *** ROUTINE zgr_bat_ctl *** !! !! ** Purpose : check the bathymetry in levels !! !! ** Method : The array mbathy is checked to verified its consistency !! with the model options. in particular: !! mbathy must have at least 1 land grid-points (mbathy<=0) !! along closed boundary. !! mbathy must be cyclic IF jperio=1. !! mbathy must be lower or equal to jpk-1. !! isolated ocean grid points are suppressed from mbathy !! since they are only connected to remaining !! ocean through vertical diffusion. !! C A U T I O N : mbathy will be modified during the initializa- !! tion phase to become the number of non-zero w-levels of a water !! column, with a minimum value of 1. !! !! ** Action : - update mbathy: level bathymetry (in level index) !! - update bathy : meter bathymetry (in meters) !!---------------------------------------------------------------------- !! INTEGER :: ji, jj, jl ! dummy loop indices INTEGER :: icompt, ibtest, ikmax ! temporary integers REAL(wp), POINTER, DIMENSION(:,:) :: zbathy !!---------------------------------------------------------------------- ! IF( nn_timing == 1 ) CALL timing_start('zgr_bat_ctl') ! CALL wrk_alloc( jpi, jpj, zbathy ) ! IF(lwp) WRITE(numout,*) IF(lwp) WRITE(numout,*) ' zgr_bat_ctl : check the bathymetry' IF(lwp) WRITE(numout,*) ' ~~~~~~~~~~~' ! ! Suppress isolated ocean grid points IF(lwp) WRITE(numout,*) IF(lwp) WRITE(numout,*)' suppress isolated ocean grid points' IF(lwp) WRITE(numout,*)' -----------------------------------' icompt = 0 DO jl = 1, 2 IF( nperio == 1 .OR. nperio == 4 .OR. nperio == 6 ) THEN mbathy( 1 ,:) = mbathy(jpim1,:) ! local domain is cyclic east-west mbathy(jpi,:) = mbathy( 2 ,:) ENDIF DO jj = 2, jpjm1 DO ji = 2, jpim1 ibtest = MAX( mbathy(ji-1,jj), mbathy(ji+1,jj), & & mbathy(ji,jj-1), mbathy(ji,jj+1) ) IF( ibtest < mbathy(ji,jj) ) THEN IF(lwp) WRITE(numout,*) ' the number of ocean level at ', & & 'grid-point (i,j) = ',ji,jj,' is changed from ', mbathy(ji,jj),' to ', ibtest mbathy(ji,jj) = ibtest icompt = icompt + 1 ENDIF END DO END DO END DO IF( lk_mpp ) CALL mpp_sum( icompt ) IF( icompt == 0 ) THEN IF(lwp) WRITE(numout,*)' no isolated ocean grid points' ELSE IF(lwp) WRITE(numout,*)' ',icompt,' ocean grid points suppressed' ENDIF IF( lk_mpp ) THEN zbathy(:,:) = FLOAT( mbathy(:,:) ) CALL lbc_lnk( zbathy, 'T', 1._wp ) mbathy(:,:) = INT( zbathy(:,:) ) ENDIF ! ! East-west cyclic boundary conditions IF( nperio == 0 ) THEN IF(lwp) WRITE(numout,*) ' mbathy set to 0 along east and west boundary: nperio = ', nperio IF( lk_mpp ) THEN IF( nbondi == -1 .OR. nbondi == 2 ) THEN IF( jperio /= 1 ) mbathy(1,:) = 0 ENDIF IF( nbondi == 1 .OR. nbondi == 2 ) THEN IF( jperio /= 1 ) mbathy(nlci,:) = 0 ENDIF ELSE IF( ln_zco .OR. ln_zps ) THEN mbathy( 1 ,:) = 0 mbathy(jpi,:) = 0 ELSE mbathy( 1 ,:) = jpkm1 mbathy(jpi,:) = jpkm1 ENDIF ENDIF ELSEIF( nperio == 1 .OR. nperio == 4 .OR. nperio == 6 ) THEN IF(lwp) WRITE(numout,*)' east-west cyclic boundary conditions on mbathy: nperio = ', nperio mbathy( 1 ,:) = mbathy(jpim1,:) mbathy(jpi,:) = mbathy( 2 ,:) ELSEIF( nperio == 2 ) THEN IF(lwp) WRITE(numout,*) ' equatorial boundary conditions on mbathy: nperio = ', nperio ELSE IF(lwp) WRITE(numout,*) ' e r r o r' IF(lwp) WRITE(numout,*) ' parameter , nperio = ', nperio ! STOP 'dom_mba' ENDIF ! Boundary condition on mbathy IF( .NOT.lk_mpp ) THEN !!gm !!bug ??? think about it ! ! ... mono- or macro-tasking: T-point, >0, 2D array, no slab zbathy(:,:) = FLOAT( mbathy(:,:) ) CALL lbc_lnk( zbathy, 'T', 1._wp ) mbathy(:,:) = INT( zbathy(:,:) ) ENDIF ! Number of ocean level inferior or equal to jpkm1 ikmax = 0 DO jj = 1, jpj DO ji = 1, jpi ikmax = MAX( ikmax, mbathy(ji,jj) ) END DO END DO !!gm !!! test to do: ikmax = MAX( mbathy(:,:) ) ??? IF( ikmax > jpkm1 ) THEN IF(lwp) WRITE(numout,*) ' maximum number of ocean level = ', ikmax,' > jpk-1' IF(lwp) WRITE(numout,*) ' change jpk to ',ikmax+1,' to use the exact ead bathymetry' ELSE IF( ikmax < jpkm1 ) THEN IF(lwp) WRITE(numout,*) ' maximum number of ocean level = ', ikmax,' < jpk-1' IF(lwp) WRITE(numout,*) ' you can decrease jpk to ', ikmax+1 ENDIF IF( lwp .AND. nprint == 1 ) THEN ! control print WRITE(numout,*) WRITE(numout,*) ' bathymetric field : number of non-zero T-levels ' WRITE(numout,*) ' ------------------' CALL prihin( mbathy, jpi, jpj, 1, jpi, 1, 1, jpj, 1, 3, numout ) WRITE(numout,*) ENDIF ! CALL wrk_dealloc( jpi, jpj, zbathy ) ! IF( nn_timing == 1 ) CALL timing_stop('zgr_bat_ctl') ! END SUBROUTINE zgr_bat_ctl SUBROUTINE zgr_bot_level !!---------------------------------------------------------------------- !! *** ROUTINE zgr_bot_level *** !! !! ** Purpose : defines the vertical index of ocean bottom (mbk. arrays) !! !! ** Method : computes from mbathy with a minimum value of 1 over land !! !! ** Action : mbkt, mbku, mbkv : vertical indices of the deeptest !! ocean level at t-, u- & v-points !! (min value = 1 over land) !!---------------------------------------------------------------------- !! INTEGER :: ji, jj ! dummy loop indices REAL(wp), POINTER, DIMENSION(:,:) :: zmbk !!---------------------------------------------------------------------- ! IF( nn_timing == 1 ) CALL timing_start('zgr_bot_level') ! CALL wrk_alloc( jpi, jpj, zmbk ) ! IF(lwp) WRITE(numout,*) IF(lwp) WRITE(numout,*) ' zgr_bot_level : ocean bottom k-index of T-, U-, V- and W-levels ' IF(lwp) WRITE(numout,*) ' ~~~~~~~~~~~~~' ! mbkt(:,:) = MAX( mbathy(:,:) , 1 ) ! bottom k-index of T-level (=1 over land) ! ! bottom k-index of W-level = mbkt+1 DO jj = 1, jpjm1 ! bottom k-index of u- (v-) level DO ji = 1, jpim1 mbku(ji,jj) = MIN( mbkt(ji+1,jj ) , mbkt(ji,jj) ) mbkv(ji,jj) = MIN( mbkt(ji ,jj+1) , mbkt(ji,jj) ) END DO END DO ! converte into REAL to use lbc_lnk ; impose a min value of 1 as a zero can be set in lbclnk zmbk(:,:) = REAL( mbku(:,:), wp ) ; CALL lbc_lnk(zmbk,'U',1.) ; mbku (:,:) = MAX( INT( zmbk(:,:) ), 1 ) zmbk(:,:) = REAL( mbkv(:,:), wp ) ; CALL lbc_lnk(zmbk,'V',1.) ; mbkv (:,:) = MAX( INT( zmbk(:,:) ), 1 ) ! CALL wrk_dealloc( jpi, jpj, zmbk ) ! IF( nn_timing == 1 ) CALL timing_stop('zgr_bot_level') ! END SUBROUTINE zgr_bot_level SUBROUTINE zgr_top_level !!---------------------------------------------------------------------- !! *** ROUTINE zgr_bot_level *** !! !! ** Purpose : defines the vertical index of ocean top (mik. arrays) !! !! ** Method : computes from misfdep with a minimum value of 1 !! !! ** Action : mikt, miku, mikv : vertical indices of the shallowest !! ocean level at t-, u- & v-points !! (min value = 1) !!---------------------------------------------------------------------- !! INTEGER :: ji, jj ! dummy loop indices REAL(wp), POINTER, DIMENSION(:,:) :: zmik !!---------------------------------------------------------------------- ! IF( nn_timing == 1 ) CALL timing_start('zgr_top_level') ! CALL wrk_alloc( jpi, jpj, zmik ) ! IF(lwp) WRITE(numout,*) IF(lwp) WRITE(numout,*) ' zgr_top_level : ocean top k-index of T-, U-, V- and W-levels ' IF(lwp) WRITE(numout,*) ' ~~~~~~~~~~~~~' ! mikt(:,:) = MAX( misfdep(:,:) , 1 ) ! top k-index of T-level (=1) ! ! top k-index of W-level (=mikt) DO jj = 1, jpjm1 ! top k-index of U- (U-) level DO ji = 1, jpim1 miku(ji,jj) = MAX( mikt(ji+1,jj ) , mikt(ji,jj) ) mikv(ji,jj) = MAX( mikt(ji ,jj+1) , mikt(ji,jj) ) mikf(ji,jj) = MAX( mikt(ji ,jj+1) , mikt(ji,jj), mikt(ji+1,jj ), mikt(ji+1,jj+1) ) END DO END DO ! converte into REAL to use lbc_lnk ; impose a min value of 1 as a zero can be set in lbclnk zmik(:,:) = REAL( miku(:,:), wp ) ; CALL lbc_lnk(zmik,'U',1.) ; miku (:,:) = MAX( INT( zmik(:,:) ), 1 ) zmik(:,:) = REAL( mikv(:,:), wp ) ; CALL lbc_lnk(zmik,'V',1.) ; mikv (:,:) = MAX( INT( zmik(:,:) ), 1 ) zmik(:,:) = REAL( mikf(:,:), wp ) ; CALL lbc_lnk(zmik,'F',1.) ; mikf (:,:) = MAX( INT( zmik(:,:) ), 1 ) ! CALL wrk_dealloc( jpi, jpj, zmik ) ! IF( nn_timing == 1 ) CALL timing_stop('zgr_top_level') ! END SUBROUTINE zgr_top_level SUBROUTINE zgr_zco !!---------------------------------------------------------------------- !! *** ROUTINE zgr_zco *** !! !! ** Purpose : define the z-coordinate system !! !! ** Method : set 3D coord. arrays to reference 1D array !!---------------------------------------------------------------------- INTEGER :: jk !!---------------------------------------------------------------------- ! IF( nn_timing == 1 ) CALL timing_start('zgr_zco') ! DO jk = 1, jpk gdept_0 (:,:,jk) = gdept_1d(jk) gdepw_0 (:,:,jk) = gdepw_1d(jk) gdep3w_0(:,:,jk) = gdepw_1d(jk) e3t_0 (:,:,jk) = e3t_1d (jk) e3u_0 (:,:,jk) = e3t_1d (jk) e3v_0 (:,:,jk) = e3t_1d (jk) e3f_0 (:,:,jk) = e3t_1d (jk) e3w_0 (:,:,jk) = e3w_1d (jk) e3uw_0 (:,:,jk) = e3w_1d (jk) e3vw_0 (:,:,jk) = e3w_1d (jk) END DO ! IF( nn_timing == 1 ) CALL timing_stop('zgr_zco') ! END SUBROUTINE zgr_zco SUBROUTINE zgr_zps !!---------------------------------------------------------------------- !! *** ROUTINE zgr_zps *** !! !! ** Purpose : the depth and vertical scale factor in partial step !! z-coordinate case !! !! ** Method : Partial steps : computes the 3D vertical scale factors !! of T-, U-, V-, W-, UW-, VW and F-points that are associated with !! a partial step representation of bottom topography. !! !! The reference depth of model levels is defined from an analytical !! function the derivative of which gives the reference vertical !! scale factors. !! From depth and scale factors reference, we compute there new value !! with partial steps on 3d arrays ( i, j, k ). !! !! w-level: gdepw_0(i,j,k) = gdep(k) !! e3w_0(i,j,k) = dk(gdep)(k) = e3(i,j,k) !! t-level: gdept_0(i,j,k) = gdep(k+0.5) !! e3t_0(i,j,k) = dk(gdep)(k+0.5) = e3(i,j,k+0.5) !! !! With the help of the bathymetric file ( bathymetry_depth_ORCA_R2.nc), !! we find the mbathy index of the depth at each grid point. !! This leads us to three cases: !! !! - bathy = 0 => mbathy = 0 !! - 1 < mbathy < jpkm1 !! - bathy > gdepw_0(jpk) => mbathy = jpkm1 !! !! Then, for each case, we find the new depth at t- and w- levels !! and the new vertical scale factors at t-, u-, v-, w-, uw-, vw- !! and f-points. !! !! This routine is given as an example, it must be modified !! following the user s desiderata. nevertheless, the output as !! well as the way to compute the model levels and scale factors !! must be respected in order to insure second order accuracy !! schemes. !! !! c a u t i o n : gdept_1d, gdepw_1d and e3._1d are positives !! - - - - - - - gdept_0, gdepw_0 and e3. are positives !! !! Reference : Pacanowsky & Gnanadesikan 1997, Mon. Wea. Rev., 126, 3248-3270. !!---------------------------------------------------------------------- !! INTEGER :: ji, jj, jk ! dummy loop indices INTEGER :: ik, it, ikb, ikt ! temporary integers LOGICAL :: ll_print ! Allow control print for debugging REAL(wp) :: ze3tp , ze3wp ! Last ocean level thickness at T- and W-points REAL(wp) :: zdepwp, zdepth ! Ajusted ocean depth to avoid too small e3t REAL(wp) :: zmax ! Maximum depth REAL(wp) :: zdiff ! temporary scalar REAL(wp) :: zrefdep ! temporary scalar REAL(wp), POINTER, DIMENSION(:,:,:) :: zprt !!--------------------------------------------------------------------- ! IF( nn_timing == 1 ) CALL timing_start('zgr_zps') ! CALL wrk_alloc( jpi, jpj, jpk, zprt ) ! IF(lwp) WRITE(numout,*) IF(lwp) WRITE(numout,*) ' zgr_zps : z-coordinate with partial steps' IF(lwp) WRITE(numout,*) ' ~~~~~~~ ' IF(lwp) WRITE(numout,*) ' mbathy is recomputed : bathy_level file is NOT used' ll_print = .FALSE. ! Local variable for debugging IF(lwp .AND. ll_print) THEN ! control print of the ocean depth WRITE(numout,*) WRITE(numout,*) 'dom_zgr_zps: bathy (in hundred of meters)' CALL prihre( bathy, jpi, jpj, 1,jpi, 1, 1, jpj, 1, 1.e-2, numout ) ENDIF ! bathymetry in level (from bathy_meter) ! =================== zmax = gdepw_1d(jpk) + e3t_1d(jpk) ! maximum depth (i.e. the last ocean level thickness <= 2*e3t_1d(jpkm1) ) bathy(:,:) = MIN( zmax , bathy(:,:) ) ! bounded value of bathy (min already set at the end of zgr_bat) WHERE( bathy(:,:) == 0._wp ) ; mbathy(:,:) = 0 ! land : set mbathy to 0 ELSE WHERE ; mbathy(:,:) = jpkm1 ! ocean : initialize mbathy to the max ocean level END WHERE ! Compute mbathy for ocean points (i.e. the number of ocean levels) ! find the number of ocean levels such that the last level thickness ! is larger than the minimum of e3zps_min and e3zps_rat * e3t_1d (where ! e3t_1d is the reference level thickness DO jk = jpkm1, 1, -1 zdepth = gdepw_1d(jk) + MIN( e3zps_min, e3t_1d(jk)*e3zps_rat ) WHERE( 0._wp < bathy(:,:) .AND. bathy(:,:) <= zdepth ) mbathy(:,:) = jk-1 END DO IF ( ln_isfcav ) CALL zgr_isf ! Scale factors and depth at T- and W-points DO jk = 1, jpk ! intitialization to the reference z-coordinate gdept_0(:,:,jk) = gdept_1d(jk) gdepw_0(:,:,jk) = gdepw_1d(jk) e3t_0 (:,:,jk) = e3t_1d (jk) e3w_0 (:,:,jk) = e3w_1d (jk) END DO ! DO jj = 1, jpj DO ji = 1, jpi ik = mbathy(ji,jj) IF( ik > 0 ) THEN ! ocean point only ! max ocean level case IF( ik == jpkm1 ) THEN zdepwp = bathy(ji,jj) ze3tp = bathy(ji,jj) - gdepw_1d(ik) ze3wp = 0.5_wp * e3w_1d(ik) * ( 1._wp + ( ze3tp/e3t_1d(ik) ) ) e3t_0(ji,jj,ik ) = ze3tp e3t_0(ji,jj,ik+1) = ze3tp e3w_0(ji,jj,ik ) = ze3wp e3w_0(ji,jj,ik+1) = ze3tp gdepw_0(ji,jj,ik+1) = zdepwp gdept_0(ji,jj,ik ) = gdept_1d(ik-1) + ze3wp gdept_0(ji,jj,ik+1) = gdept_0(ji,jj,ik) + ze3tp ! ELSE ! standard case IF( bathy(ji,jj) <= gdepw_1d(ik+1) ) THEN ; gdepw_0(ji,jj,ik+1) = bathy(ji,jj) ELSE ; gdepw_0(ji,jj,ik+1) = gdepw_1d(ik+1) ENDIF !gm Bug? check the gdepw_1d ! ... on ik gdept_0(ji,jj,ik) = gdepw_1d(ik) + ( gdepw_0(ji,jj,ik+1) - gdepw_1d(ik) ) & & * ((gdept_1d( ik ) - gdepw_1d(ik) ) & & / ( gdepw_1d( ik+1) - gdepw_1d(ik) )) e3t_0 (ji,jj,ik) = e3t_1d (ik) * ( gdepw_0 (ji,jj,ik+1) - gdepw_1d(ik) ) & & / ( gdepw_1d( ik+1) - gdepw_1d(ik) ) e3w_0(ji,jj,ik) = 0.5_wp * ( gdepw_0(ji,jj,ik+1) + gdepw_1d(ik+1) - 2._wp * gdepw_1d(ik) ) & & * ( e3w_1d(ik) / ( gdepw_1d(ik+1) - gdepw_1d(ik) ) ) ! ... on ik+1 e3w_0 (ji,jj,ik+1) = e3t_0 (ji,jj,ik) e3t_0 (ji,jj,ik+1) = e3t_0 (ji,jj,ik) gdept_0(ji,jj,ik+1) = gdept_0(ji,jj,ik) + e3t_0(ji,jj,ik) ENDIF ENDIF END DO END DO ! it = 0 DO jj = 1, jpj DO ji = 1, jpi ik = mbathy(ji,jj) IF( ik > 0 ) THEN ! ocean point only e3tp (ji,jj) = e3t_0(ji,jj,ik) e3wp (ji,jj) = e3w_0(ji,jj,ik) ! test zdiff= gdepw_0(ji,jj,ik+1) - gdept_0(ji,jj,ik ) IF( zdiff <= 0._wp .AND. lwp ) THEN it = it + 1 WRITE(numout,*) ' it = ', it, ' ik = ', ik, ' (i,j) = ', ji, jj WRITE(numout,*) ' bathy = ', bathy(ji,jj) WRITE(numout,*) ' gdept_0 = ', gdept_0(ji,jj,ik), ' gdepw_0 = ', gdepw_0(ji,jj,ik+1), ' zdiff = ', zdiff WRITE(numout,*) ' e3tp = ', e3t_0 (ji,jj,ik), ' e3wp = ', e3w_0 (ji,jj,ik ) ENDIF ENDIF END DO END DO ! IF ( ln_isfcav ) THEN ! (ISF) Definition of e3t, u, v, w for ISF case DO jj = 1, jpj DO ji = 1, jpi ik = misfdep(ji,jj) IF( ik > 1 ) THEN ! ice shelf point only IF( risfdep(ji,jj) < gdepw_1d(ik) ) risfdep(ji,jj)= gdepw_1d(ik) gdepw_0(ji,jj,ik) = risfdep(ji,jj) !gm Bug? check the gdepw_0 ! ... on ik gdept_0(ji,jj,ik) = gdepw_1d(ik+1) - ( gdepw_1d(ik+1) - gdepw_0(ji,jj,ik) ) & & * ( gdepw_1d(ik+1) - gdept_1d(ik) ) & & / ( gdepw_1d(ik+1) - gdepw_1d(ik) ) e3t_0 (ji,jj,ik ) = gdepw_1d(ik+1) - gdepw_0(ji,jj,ik) e3w_0 (ji,jj,ik+1) = gdept_1d(ik+1) - gdept_0(ji,jj,ik) IF( ik + 1 == mbathy(ji,jj) ) THEN ! ice shelf point only (2 cell water column) e3w_0 (ji,jj,ik+1) = gdept_0(ji,jj,ik+1) - gdept_0(ji,jj,ik) ENDIF ! ... on ik / ik-1 e3w_0 (ji,jj,ik ) = 2._wp * (gdept_0(ji,jj,ik) - gdepw_0(ji,jj,ik)) e3t_0 (ji,jj,ik-1) = gdepw_0(ji,jj,ik) - gdepw_1d(ik-1) ! The next line isn't required and doesn't affect results - included for consistency with bathymetry code gdept_0(ji,jj,ik-1) = gdept_1d(ik-1) ENDIF END DO END DO ! it = 0 DO jj = 1, jpj DO ji = 1, jpi ik = misfdep(ji,jj) IF( ik > 1 ) THEN ! ice shelf point only e3tp (ji,jj) = e3t_0(ji,jj,ik ) e3wp (ji,jj) = e3w_0(ji,jj,ik+1 ) ! test zdiff= gdept_0(ji,jj,ik) - gdepw_0(ji,jj,ik ) IF( zdiff <= 0. .AND. lwp ) THEN it = it + 1 WRITE(numout,*) ' it = ', it, ' ik = ', ik, ' (i,j) = ', ji, jj WRITE(numout,*) ' risfdep = ', risfdep(ji,jj) WRITE(numout,*) ' gdept = ', gdept_0(ji,jj,ik), ' gdepw = ', gdepw_0(ji,jj,ik+1), ' zdiff = ', zdiff WRITE(numout,*) ' e3tp = ', e3tp(ji,jj), ' e3wp = ', e3wp(ji,jj) ENDIF ENDIF END DO END DO END IF ! END (ISF) ! Scale factors and depth at U-, V-, UW and VW-points DO jk = 1, jpk ! initialisation to z-scale factors e3u_0 (:,:,jk) = e3t_1d(jk) e3v_0 (:,:,jk) = e3t_1d(jk) e3uw_0(:,:,jk) = e3w_1d(jk) e3vw_0(:,:,jk) = e3w_1d(jk) END DO DO jk = 1,jpk ! Computed as the minimum of neighbooring scale factors DO jj = 1, jpjm1 DO ji = 1, fs_jpim1 ! vector opt. e3u_0 (ji,jj,jk) = MIN( e3t_0(ji,jj,jk), e3t_0(ji+1,jj,jk) ) e3v_0 (ji,jj,jk) = MIN( e3t_0(ji,jj,jk), e3t_0(ji,jj+1,jk) ) e3uw_0(ji,jj,jk) = MIN( e3w_0(ji,jj,jk), e3w_0(ji+1,jj,jk) ) e3vw_0(ji,jj,jk) = MIN( e3w_0(ji,jj,jk), e3w_0(ji,jj+1,jk) ) END DO END DO END DO IF ( ln_isfcav ) THEN ! (ISF) define e3uw (adapted for 2 cells in the water column) DO jj = 2, jpjm1 DO ji = 2, fs_jpim1 ! vector opt. ikb = MAX(mbathy (ji,jj),mbathy (ji+1,jj)) ikt = MAX(misfdep(ji,jj),misfdep(ji+1,jj)) IF (ikb == ikt+1) e3uw_0(ji,jj,ikb) = MIN( gdept_0(ji,jj,ikb ), gdept_0(ji+1,jj ,ikb ) ) & & - MAX( gdept_0(ji,jj,ikb-1), gdept_0(ji+1,jj ,ikb-1) ) ikb = MAX(mbathy (ji,jj),mbathy (ji,jj+1)) ikt = MAX(misfdep(ji,jj),misfdep(ji,jj+1)) IF (ikb == ikt+1) e3vw_0(ji,jj,ikb) = MIN( gdept_0(ji,jj,ikb ), gdept_0(ji ,jj+1,ikb ) ) & & - MAX( gdept_0(ji,jj,ikb-1), gdept_0(ji ,jj+1,ikb-1) ) END DO END DO END IF CALL lbc_lnk( e3u_0 , 'U', 1._wp ) ; CALL lbc_lnk( e3uw_0, 'U', 1._wp ) ! lateral boundary conditions CALL lbc_lnk( e3v_0 , 'V', 1._wp ) ; CALL lbc_lnk( e3vw_0, 'V', 1._wp ) ! DO jk = 1, jpk ! set to z-scale factor if zero (i.e. along closed boundaries) WHERE( e3u_0 (:,:,jk) == 0._wp ) e3u_0 (:,:,jk) = e3t_1d(jk) WHERE( e3v_0 (:,:,jk) == 0._wp ) e3v_0 (:,:,jk) = e3t_1d(jk) WHERE( e3uw_0(:,:,jk) == 0._wp ) e3uw_0(:,:,jk) = e3w_1d(jk) WHERE( e3vw_0(:,:,jk) == 0._wp ) e3vw_0(:,:,jk) = e3w_1d(jk) END DO ! Scale factor at F-point DO jk = 1, jpk ! initialisation to z-scale factors e3f_0(:,:,jk) = e3t_1d(jk) END DO DO jk = 1, jpk ! Computed as the minimum of neighbooring V-scale factors DO jj = 1, jpjm1 DO ji = 1, fs_jpim1 ! vector opt. e3f_0(ji,jj,jk) = MIN( e3v_0(ji,jj,jk), e3v_0(ji+1,jj,jk) ) END DO END DO END DO CALL lbc_lnk( e3f_0, 'F', 1._wp ) ! Lateral boundary conditions ! DO jk = 1, jpk ! set to z-scale factor if zero (i.e. along closed boundaries) WHERE( e3f_0(:,:,jk) == 0._wp ) e3f_0(:,:,jk) = e3t_1d(jk) END DO !!gm bug ? : must be a do loop with mj0,mj1 ! e3t_0(:,mj0(1),:) = e3t_0(:,mj0(2),:) ! we duplicate factor scales for jj = 1 and jj = 2 e3w_0(:,mj0(1),:) = e3w_0(:,mj0(2),:) e3u_0(:,mj0(1),:) = e3u_0(:,mj0(2),:) e3v_0(:,mj0(1),:) = e3v_0(:,mj0(2),:) e3f_0(:,mj0(1),:) = e3f_0(:,mj0(2),:) ! Control of the sign IF( MINVAL( e3t_0 (:,:,:) ) <= 0._wp ) CALL ctl_stop( ' zgr_zps : e r r o r e3t_0 <= 0' ) IF( MINVAL( e3w_0 (:,:,:) ) <= 0._wp ) CALL ctl_stop( ' zgr_zps : e r r o r e3w_0 <= 0' ) IF( MINVAL( gdept_0(:,:,:) ) < 0._wp ) CALL ctl_stop( ' zgr_zps : e r r o r gdept_0 < 0' ) IF( MINVAL( gdepw_0(:,:,:) ) < 0._wp ) CALL ctl_stop( ' zgr_zps : e r r o r gdepw_0 < 0' ) ! Compute gdep3w_0 (vertical sum of e3w) IF ( ln_isfcav ) THEN ! if cavity WHERE (misfdep == 0) misfdep = 1 DO jj = 1,jpj DO ji = 1,jpi gdep3w_0(ji,jj,1) = 0.5_wp * e3w_0(ji,jj,1) DO jk = 2, misfdep(ji,jj) gdep3w_0(ji,jj,jk) = gdep3w_0(ji,jj,jk-1) + e3w_0(ji,jj,jk) END DO IF (misfdep(ji,jj) .GE. 2) gdep3w_0(ji,jj,misfdep(ji,jj)) = risfdep(ji,jj) + 0.5_wp * e3w_0(ji,jj,misfdep(ji,jj)) DO jk = misfdep(ji,jj) + 1, jpk gdep3w_0(ji,jj,jk) = gdep3w_0(ji,jj,jk-1) + e3w_0(ji,jj,jk) END DO END DO END DO ELSE ! no cavity gdep3w_0(:,:,1) = 0.5_wp * e3w_0(:,:,1) DO jk = 2, jpk gdep3w_0(:,:,jk) = gdep3w_0(:,:,jk-1) + e3w_0(:,:,jk) END DO END IF ! ! ================= ! IF(lwp .AND. ll_print) THEN ! Control print ! ! ! ================= ! DO jj = 1,jpj DO ji = 1, jpi ik = MAX( mbathy(ji,jj), 1 ) zprt(ji,jj,1) = e3t_0 (ji,jj,ik) zprt(ji,jj,2) = e3w_0 (ji,jj,ik) zprt(ji,jj,3) = e3u_0 (ji,jj,ik) zprt(ji,jj,4) = e3v_0 (ji,jj,ik) zprt(ji,jj,5) = e3f_0 (ji,jj,ik) zprt(ji,jj,6) = gdep3w_0(ji,jj,ik) END DO END DO WRITE(numout,*) WRITE(numout,*) 'domzgr e3t(mbathy)' ; CALL prihre(zprt(:,:,1),jpi,jpj,1,jpi,1,1,jpj,1,1.e-3,numout) WRITE(numout,*) WRITE(numout,*) 'domzgr e3w(mbathy)' ; CALL prihre(zprt(:,:,2),jpi,jpj,1,jpi,1,1,jpj,1,1.e-3,numout) WRITE(numout,*) WRITE(numout,*) 'domzgr e3u(mbathy)' ; CALL prihre(zprt(:,:,3),jpi,jpj,1,jpi,1,1,jpj,1,1.e-3,numout) WRITE(numout,*) WRITE(numout,*) 'domzgr e3v(mbathy)' ; CALL prihre(zprt(:,:,4),jpi,jpj,1,jpi,1,1,jpj,1,1.e-3,numout) WRITE(numout,*) WRITE(numout,*) 'domzgr e3f(mbathy)' ; CALL prihre(zprt(:,:,5),jpi,jpj,1,jpi,1,1,jpj,1,1.e-3,numout) WRITE(numout,*) WRITE(numout,*) 'domzgr gdep3w(mbathy)' ; CALL prihre(zprt(:,:,6),jpi,jpj,1,jpi,1,1,jpj,1,1.e-3,numout) ENDIF ! CALL wrk_dealloc( jpi, jpj, jpk, zprt ) ! IF( nn_timing == 1 ) CALL timing_stop('zgr_zps') ! END SUBROUTINE zgr_zps SUBROUTINE zgr_isf !!---------------------------------------------------------------------- !! *** ROUTINE zgr_isf *** !! !! ** Purpose : check the bathymetry in levels !! !! ** Method : THe water column have to contained at least 2 cells !! Bathymetry and isfdraft are modified (dig/close) to respect !! this criterion. !! !! !! ** Action : - test compatibility between isfdraft and bathy !! - bathy and isfdraft are modified !!---------------------------------------------------------------------- !! INTEGER :: ji, jj, jk, jl ! dummy loop indices INTEGER :: ik, it ! temporary integers INTEGER :: id, jd, nprocd INTEGER :: icompt, ibtest, ibtestim1, ibtestip1, ibtestjm1, ibtestjp1 ! (ISF) LOGICAL :: ll_print ! Allow control print for debugging REAL(wp) :: ze3tp , ze3wp ! Last ocean level thickness at T- and W-points REAL(wp) :: zdepwp, zdepth ! Ajusted ocean depth to avoid too small e3t REAL(wp) :: zmax, zmin ! Maximum and minimum depth REAL(wp) :: zdiff ! temporary scalar REAL(wp) :: zrefdep ! temporary scalar REAL(wp) :: zbathydiff, zrisfdepdiff ! isf temporary scalar REAL(wp), POINTER, DIMENSION(:,:) :: zrisfdep, zbathy, zmask ! 2D workspace (ISH) INTEGER , POINTER, DIMENSION(:,:) :: zmbathy, zmisfdep ! 2D workspace (ISH) !!--------------------------------------------------------------------- ! IF( nn_timing == 1 ) CALL timing_start('zgr_isf') ! CALL wrk_alloc( jpi, jpj, zbathy, zmask, zrisfdep) CALL wrk_alloc( jpi, jpj, zmisfdep, zmbathy ) ! (ISF) compute misfdep WHERE( risfdep(:,:) == 0._wp .AND. bathy(:,:) .NE. 0) ; misfdep(:,:) = 1 ! open water : set misfdep to 1 ELSEWHERE ; misfdep(:,:) = 2 ! iceshelf : initialize misfdep to second level END WHERE ! Compute misfdep for ocean points (i.e. first wet level) ! find the first ocean level such that the first level thickness ! is larger than the bot_level of e3zps_min and e3zps_rat * e3t_0 (where ! e3t_0 is the reference level thickness DO jk = 2, jpkm1 zdepth = gdepw_1d(jk+1) - MIN( e3zps_min, e3t_1d(jk)*e3zps_rat ) WHERE( 0._wp < risfdep(:,:) .AND. risfdep(:,:) >= zdepth ) misfdep(:,:) = jk+1 END DO WHERE (risfdep(:,:) <= e3t_1d(1) .AND. risfdep(:,:) .GT. 0._wp) risfdep(:,:) = 0. ; misfdep(:,:) = 1 END WHERE ! basic check for the compatibility of bathy and risfdep. I think it should be offline because it is not perfect and cannot solved all the situation icompt = 0 ! run the bathy check 10 times to be sure all the modif in the bathy or iceshelf draft are compatible together DO jl = 1, 10 WHERE (bathy(:,:) .EQ. risfdep(:,:) ) misfdep(:,:) = 0 ; risfdep(:,:) = 0._wp mbathy (:,:) = 0 ; bathy (:,:) = 0._wp END WHERE WHERE (mbathy(:,:) <= 0) misfdep(:,:) = 0; risfdep(:,:) = 0._wp mbathy (:,:) = 0; bathy (:,:) = 0._wp ENDWHERE IF( lk_mpp ) THEN zbathy(:,:) = FLOAT( misfdep(:,:) ) CALL lbc_lnk( zbathy, 'T', 1. ) misfdep(:,:) = INT( zbathy(:,:) ) CALL lbc_lnk( risfdep, 'T', 1. ) CALL lbc_lnk( bathy, 'T', 1. ) zbathy(:,:) = FLOAT( mbathy(:,:) ) CALL lbc_lnk( zbathy, 'T', 1. ) mbathy(:,:) = INT( zbathy(:,:) ) ENDIF IF( nperio == 1 .OR. nperio == 4 .OR. nperio == 6 ) THEN misfdep( 1 ,:) = misfdep(jpim1,:) ! local domain is cyclic east-west misfdep(jpi,:) = misfdep( 2 ,:) ENDIF IF( nperio == 1 .OR. nperio == 4 .OR. nperio == 6 ) THEN mbathy( 1 ,:) = mbathy(jpim1,:) ! local domain is cyclic east-west mbathy(jpi,:) = mbathy( 2 ,:) ENDIF ! split last cell if possible (only where water column is 2 cell or less) DO jk = jpkm1, 1, -1 zmax = gdepw_1d(jk) + MIN( e3zps_min, e3t_1d(jk)*e3zps_rat ) WHERE( gdepw_1d(jk) < bathy(:,:) .AND. bathy(:,:) <= zmax .AND. misfdep + 1 >= mbathy) mbathy(:,:) = jk bathy(:,:) = zmax END WHERE END DO ! split top cell if possible (only where water column is 2 cell or less) DO jk = 2, jpkm1 zmax = gdepw_1d(jk+1) - MIN( e3zps_min, e3t_1d(jk)*e3zps_rat ) WHERE( gdepw_1d(jk+1) > risfdep(:,:) .AND. risfdep(:,:) >= zmax .AND. misfdep + 1 >= mbathy) misfdep(:,:) = jk risfdep(:,:) = zmax END WHERE END DO ! Case where bathy and risfdep compatible but not the level variable mbathy/misfdep because of partial cell condition DO jj = 1, jpj DO ji = 1, jpi ! find the minimum change option: ! test bathy IF (risfdep(ji,jj) .GT. 1) THEN zbathydiff =ABS(bathy(ji,jj) - (gdepw_1d(mbathy (ji,jj)+1) & & + MIN( e3zps_min, e3t_1d(mbathy (ji,jj)+1)*e3zps_rat ))) zrisfdepdiff=ABS(risfdep(ji,jj) - (gdepw_1d(misfdep(ji,jj) ) & & - MIN( e3zps_min, e3t_1d(misfdep(ji,jj)-1)*e3zps_rat ))) IF (bathy(ji,jj) .GT. risfdep(ji,jj) .AND. mbathy(ji,jj) .LT. misfdep(ji,jj)) THEN IF (zbathydiff .LE. zrisfdepdiff) THEN bathy(ji,jj) = gdepw_1d(mbathy(ji,jj)) + MIN( e3zps_min, e3t_1d(mbathy(ji,jj)+1)*e3zps_rat ) mbathy(ji,jj)= mbathy(ji,jj) + 1 ELSE risfdep(ji,jj) = gdepw_1d(misfdep(ji,jj)) - MIN( e3zps_min, e3t_1d(misfdep(ji,jj)-1)*e3zps_rat ) misfdep(ji,jj) = misfdep(ji,jj) - 1 END IF END IF END IF END DO END DO ! At least 2 levels for water thickness at T, U, and V point. DO jj = 1, jpj DO ji = 1, jpi ! find the minimum change option: ! test bathy IF( misfdep(ji,jj) == mbathy(ji,jj) .AND. mbathy(ji,jj) .GT. 1) THEN zbathydiff =ABS(bathy(ji,jj) - (gdepw_1d(mbathy (ji,jj)+1)& & + MIN( e3zps_min,e3t_1d(mbathy (ji,jj)+1)*e3zps_rat ))) zrisfdepdiff=ABS(risfdep(ji,jj) - (gdepw_1d(misfdep(ji,jj) ) & & - MIN( e3zps_min,e3t_1d(misfdep(ji,jj)-1)*e3zps_rat ))) IF (zbathydiff .LE. zrisfdepdiff) THEN mbathy(ji,jj) = mbathy(ji,jj) + 1 bathy(ji,jj) = gdepw_1d(mbathy (ji,jj)) + MIN( e3zps_min, e3t_1d(mbathy(ji,jj) +1)*e3zps_rat ) ELSE misfdep(ji,jj)= misfdep(ji,jj) - 1 risfdep(ji,jj) = gdepw_1d(misfdep(ji,jj)+1) - MIN( e3zps_min, e3t_1d(misfdep(ji,jj))*e3zps_rat ) END IF ENDIF END DO END DO ! point V mbathy(ji,jj) EQ misfdep(ji,jj+1) DO jj = 1, jpjm1 DO ji = 1, jpim1 IF( misfdep(ji,jj+1) == mbathy(ji,jj) .AND. mbathy(ji,jj) .GT. 1) THEN zbathydiff =ABS(bathy(ji,jj ) - (gdepw_1d(mbathy (ji,jj)+1) & & + MIN( e3zps_min, e3t_1d(mbathy (ji,jj )+1)*e3zps_rat ))) zrisfdepdiff=ABS(risfdep(ji,jj+1) - (gdepw_1d(misfdep(ji,jj+1)) & & - MIN( e3zps_min, e3t_1d(misfdep(ji,jj+1)-1)*e3zps_rat ))) IF (zbathydiff .LE. zrisfdepdiff) THEN mbathy(ji,jj) = mbathy(ji,jj) + 1 bathy(ji,jj) = gdepw_1d(mbathy (ji,jj )) & & + MIN( e3zps_min, e3t_1d(mbathy(ji,jj )+1)*e3zps_rat ) ELSE misfdep(ji,jj+1) = misfdep(ji,jj+1) - 1 risfdep (ji,jj+1) = gdepw_1d(misfdep(ji,jj+1)+1) & & - MIN( e3zps_min, e3t_1d(misfdep(ji,jj+1))*e3zps_rat ) END IF ENDIF END DO END DO IF( lk_mpp ) THEN zbathy(:,:) = FLOAT( misfdep(:,:) ) CALL lbc_lnk( zbathy, 'T', 1. ) misfdep(:,:) = INT( zbathy(:,:) ) CALL lbc_lnk( risfdep, 'T', 1. ) CALL lbc_lnk( bathy, 'T', 1. ) zbathy(:,:) = FLOAT( mbathy(:,:) ) CALL lbc_lnk( zbathy, 'T', 1. ) mbathy(:,:) = INT( zbathy(:,:) ) ENDIF ! point V misdep(ji,jj) EQ mbathy(ji,jj+1) DO jj = 1, jpjm1 DO ji = 1, jpim1 IF( misfdep(ji,jj) == mbathy(ji,jj+1) .AND. mbathy(ji,jj) .GT. 1) THEN zbathydiff =ABS( bathy(ji,jj+1) - (gdepw_1d(mbathy (ji,jj+1)+1) & & + MIN( e3zps_min, e3t_1d(mbathy (ji,jj+1)+1)*e3zps_rat ))) zrisfdepdiff=ABS(risfdep(ji,jj ) - (gdepw_1d(misfdep(ji,jj ) ) & & - MIN( e3zps_min, e3t_1d(misfdep(ji,jj )-1)*e3zps_rat ))) IF (zbathydiff .LE. zrisfdepdiff) THEN mbathy (ji,jj+1) = mbathy(ji,jj+1) + 1 bathy (ji,jj+1) = gdepw_1d(mbathy (ji,jj+1) ) + MIN( e3zps_min, e3t_1d(mbathy (ji,jj+1)+1)*e3zps_rat ) ELSE misfdep(ji,jj) = misfdep(ji,jj) - 1 risfdep(ji,jj) = gdepw_1d(misfdep(ji,jj )+1) - MIN( e3zps_min, e3t_1d(misfdep(ji,jj ) )*e3zps_rat ) END IF ENDIF END DO END DO IF( lk_mpp ) THEN zbathy(:,:) = FLOAT( misfdep(:,:) ) CALL lbc_lnk( zbathy, 'T', 1. ) misfdep(:,:) = INT( zbathy(:,:) ) CALL lbc_lnk( risfdep, 'T', 1. ) CALL lbc_lnk( bathy, 'T', 1. ) zbathy(:,:) = FLOAT( mbathy(:,:) ) CALL lbc_lnk( zbathy, 'T', 1. ) mbathy(:,:) = INT( zbathy(:,:) ) ENDIF ! point U mbathy(ji,jj) EQ misfdep(ji,jj+1) DO jj = 1, jpjm1 DO ji = 1, jpim1 IF( misfdep(ji+1,jj) == mbathy(ji,jj) .AND. mbathy(ji,jj) .GT. 1) THEN zbathydiff =ABS( bathy(ji ,jj) - (gdepw_1d(mbathy (ji,jj)+1) & & + MIN( e3zps_min, e3t_1d(mbathy (ji ,jj)+1)*e3zps_rat ))) zrisfdepdiff=ABS(risfdep(ji+1,jj) - (gdepw_1d(misfdep(ji+1,jj)) & & - MIN( e3zps_min, e3t_1d(misfdep(ji+1,jj)-1)*e3zps_rat ))) IF (zbathydiff .LE. zrisfdepdiff) THEN mbathy(ji,jj) = mbathy(ji,jj) + 1 bathy(ji,jj) = gdepw_1d(mbathy (ji,jj)) + MIN( e3zps_min, e3t_1d(mbathy(ji,jj) +1)*e3zps_rat ) ELSE misfdep(ji+1,jj)= misfdep(ji+1,jj) - 1 risfdep(ji+1,jj) = gdepw_1d(misfdep(ji+1,jj)+1) - MIN( e3zps_min, e3t_1d(misfdep(ji+1,jj))*e3zps_rat ) END IF ENDIF ENDDO ENDDO IF( lk_mpp ) THEN zbathy(:,:) = FLOAT( misfdep(:,:) ) CALL lbc_lnk( zbathy, 'T', 1. ) misfdep(:,:) = INT( zbathy(:,:) ) CALL lbc_lnk( risfdep, 'T', 1. ) CALL lbc_lnk( bathy, 'T', 1. ) zbathy(:,:) = FLOAT( mbathy(:,:) ) CALL lbc_lnk( zbathy, 'T', 1. ) mbathy(:,:) = INT( zbathy(:,:) ) ENDIF ! point U misfdep(ji,jj) EQ bathy(ji,jj+1) DO jj = 1, jpjm1 DO ji = 1, jpim1 IF( misfdep(ji,jj) == mbathy(ji+1,jj) .AND. mbathy(ji,jj) .GT. 1) THEN zbathydiff =ABS( bathy(ji+1,jj) - (gdepw_1d(mbathy (ji+1,jj)+1) & & + MIN( e3zps_min, e3t_1d(mbathy (ji+1,jj)+1)*e3zps_rat ))) zrisfdepdiff=ABS(risfdep(ji ,jj) - (gdepw_1d(misfdep(ji ,jj) ) & & - MIN( e3zps_min, e3t_1d(misfdep(ji ,jj)-1)*e3zps_rat ))) IF (zbathydiff .LE. zrisfdepdiff) THEN mbathy(ji+1,jj) = mbathy (ji+1,jj) + 1 bathy (ji+1,jj) = gdepw_1d(mbathy (ji+1,jj) ) & & + MIN( e3zps_min, e3t_1d(mbathy (ji+1,jj) +1)*e3zps_rat ) ELSE misfdep(ji,jj) = misfdep(ji ,jj) - 1 risfdep(ji,jj) = gdepw_1d(misfdep(ji ,jj)+1) & & - MIN( e3zps_min, e3t_1d(misfdep(ji ,jj) )*e3zps_rat ) END IF ENDIF ENDDO ENDDO IF( lk_mpp ) THEN zbathy(:,:) = FLOAT( misfdep(:,:) ) CALL lbc_lnk( zbathy, 'T', 1. ) misfdep(:,:) = INT( zbathy(:,:) ) CALL lbc_lnk( risfdep, 'T', 1. ) CALL lbc_lnk( bathy, 'T', 1. ) zbathy(:,:) = FLOAT( mbathy(:,:) ) CALL lbc_lnk( zbathy, 'T', 1. ) mbathy(:,:) = INT( zbathy(:,:) ) ENDIF END DO ! end dig bathy/ice shelf to be compatible ! now fill single point in "coastline" of ice shelf, bathy, hole, and test again one cell tickness DO jl = 1,20 ! remove single point "bay" on isf coast line in the ice shelf draft' DO jk = 2, jpk WHERE (misfdep==0) misfdep=jpk zmask=0 WHERE (misfdep .LE. jk) zmask=1 DO jj = 2, jpjm1 DO ji = 2, jpim1 IF (misfdep(ji,jj) .EQ. jk) THEN ibtest = zmask(ji-1,jj) + zmask(ji+1,jj) + zmask(ji,jj-1) + zmask(ji,jj+1) IF (ibtest .LE. 1) THEN risfdep(ji,jj)=gdepw_1d(jk+1) ; misfdep(ji,jj)=jk+1 IF (misfdep(ji,jj) .GT. mbathy(ji,jj)) misfdep(ji,jj) = jpk END IF END IF END DO END DO END DO WHERE (misfdep==jpk) misfdep=0 ; risfdep=0. ; mbathy=0 ; bathy=0. END WHERE IF( lk_mpp ) THEN zbathy(:,:) = FLOAT( misfdep(:,:) ) CALL lbc_lnk( zbathy, 'T', 1. ) misfdep(:,:) = INT( zbathy(:,:) ) CALL lbc_lnk( risfdep, 'T', 1. ) CALL lbc_lnk( bathy, 'T', 1. ) zbathy(:,:) = FLOAT( mbathy(:,:) ) CALL lbc_lnk( zbathy, 'T', 1. ) mbathy(:,:) = INT( zbathy(:,:) ) ENDIF ! remove single point "bay" on bathy coast line beneath an ice shelf' DO jk = jpk,1,-1 zmask=0 WHERE (mbathy .GE. jk ) zmask=1 DO jj = 2, jpjm1 DO ji = 2, jpim1 IF (mbathy(ji,jj) .EQ. jk .AND. misfdep(ji,jj) .GE. 2) THEN ibtest = zmask(ji-1,jj) + zmask(ji+1,jj) + zmask(ji,jj-1) + zmask(ji,jj+1) IF (ibtest .LE. 1) THEN bathy(ji,jj)=gdepw_1d(jk) ; mbathy(ji,jj)=jk-1 IF (misfdep(ji,jj) .GT. mbathy(ji,jj)) mbathy(ji,jj) = 0 END IF END IF END DO END DO END DO WHERE (mbathy==0) misfdep=0 ; risfdep=0. ; mbathy=0 ; bathy=0. END WHERE IF( lk_mpp ) THEN zbathy(:,:) = FLOAT( misfdep(:,:) ) CALL lbc_lnk( zbathy, 'T', 1. ) misfdep(:,:) = INT( zbathy(:,:) ) CALL lbc_lnk( risfdep, 'T', 1. ) CALL lbc_lnk( bathy, 'T', 1. ) zbathy(:,:) = FLOAT( mbathy(:,:) ) CALL lbc_lnk( zbathy, 'T', 1. ) mbathy(:,:) = INT( zbathy(:,:) ) ENDIF ! fill hole in ice shelf zmisfdep = misfdep zrisfdep = risfdep WHERE (zmisfdep .LE. 1) zmisfdep=jpk DO jj = 2, jpjm1 DO ji = 2, jpim1 ibtestim1 = zmisfdep(ji-1,jj ) ; ibtestip1 = zmisfdep(ji+1,jj ) ibtestjm1 = zmisfdep(ji ,jj-1) ; ibtestjp1 = zmisfdep(ji ,jj+1) IF( zmisfdep(ji,jj) .GE. mbathy(ji-1,jj ) ) ibtestim1 = jpk!MAX(0, mbathy(ji-1,jj ) - 1) IF( zmisfdep(ji,jj) .GE. mbathy(ji+1,jj ) ) ibtestip1 = jpk!MAX(0, mbathy(ji+1,jj ) - 1) IF( zmisfdep(ji,jj) .GE. mbathy(ji ,jj-1) ) ibtestjm1 = jpk!MAX(0, mbathy(ji ,jj-1) - 1) IF( zmisfdep(ji,jj) .GE. mbathy(ji ,jj+1) ) ibtestjp1 = jpk!MAX(0, mbathy(ji ,jj+1) - 1) ibtest=MIN(ibtestim1, ibtestip1, ibtestjm1, ibtestjp1) IF( ibtest == jpk .AND. misfdep(ji,jj) .GE. 2) THEN mbathy(ji,jj) = 0 ; bathy(ji,jj) = 0.0_wp ; misfdep(ji,jj) = 0 ; risfdep(ji,jj) = 0.0_wp END IF IF( zmisfdep(ji,jj) < ibtest .AND. misfdep(ji,jj) .GE. 2) THEN misfdep(ji,jj) = ibtest risfdep(ji,jj) = gdepw_1d(ibtest) ENDIF ENDDO ENDDO IF( lk_mpp ) THEN zbathy(:,:) = FLOAT( misfdep(:,:) ) CALL lbc_lnk( zbathy, 'T', 1. ) misfdep(:,:) = INT( zbathy(:,:) ) CALL lbc_lnk( risfdep, 'T', 1. ) CALL lbc_lnk( bathy, 'T', 1. ) zbathy(:,:) = FLOAT( mbathy(:,:) ) CALL lbc_lnk( zbathy, 'T', 1. ) mbathy(:,:) = INT( zbathy(:,:) ) ENDIF ! !! fill hole in bathymetry zmbathy (:,:)=mbathy (:,:) DO jj = 2, jpjm1 DO ji = 2, jpim1 ibtestim1 = zmbathy(ji-1,jj ) ; ibtestip1 = zmbathy(ji+1,jj ) ibtestjm1 = zmbathy(ji ,jj-1) ; ibtestjp1 = zmbathy(ji ,jj+1) IF( zmbathy(ji,jj) .LT. misfdep(ji-1,jj ) ) ibtestim1 = 0!MIN(jpk-1, misfdep(ji-1,jj ) + 1) IF( zmbathy(ji,jj) .LT. misfdep(ji+1,jj ) ) ibtestip1 = 0 IF( zmbathy(ji,jj) .LT. misfdep(ji ,jj-1) ) ibtestjm1 = 0 IF( zmbathy(ji,jj) .LT. misfdep(ji ,jj+1) ) ibtestjp1 = 0 ibtest=MAX(ibtestim1, ibtestip1, ibtestjm1, ibtestjp1) IF( ibtest == 0 .AND. misfdep(ji,jj) .GE. 2) THEN mbathy(ji,jj) = 0 ; bathy(ji,jj) = 0.0_wp ; misfdep(ji,jj) = 0 ; risfdep(ji,jj) = 0.0_wp ; END IF IF( ibtest < zmbathy(ji,jj) .AND. misfdep(ji,jj) .GE. 2) THEN mbathy(ji,jj) = ibtest bathy(ji,jj) = gdepw_1d(ibtest+1) ENDIF END DO END DO IF( lk_mpp ) THEN zbathy(:,:) = FLOAT( misfdep(:,:) ) CALL lbc_lnk( zbathy, 'T', 1. ) misfdep(:,:) = INT( zbathy(:,:) ) CALL lbc_lnk( risfdep, 'T', 1. ) CALL lbc_lnk( bathy, 'T', 1. ) zbathy(:,:) = FLOAT( mbathy(:,:) ) CALL lbc_lnk( zbathy, 'T', 1. ) mbathy(:,:) = INT( zbathy(:,:) ) ENDIF ! if not compatible after all check (ie U point water column less than 2 cells), mask U DO jj = 1, jpjm1 DO ji = 1, jpim1 IF (mbathy(ji,jj) == misfdep(ji+1,jj) .AND. mbathy(ji,jj) .GE. 1 .AND. mbathy(ji+1,jj) .GE. 1) THEN mbathy(ji,jj) = mbathy(ji,jj) - 1 ; bathy(ji,jj) = gdepw_1d(mbathy(ji,jj)+1) ; END IF END DO END DO IF( lk_mpp ) THEN zbathy(:,:) = FLOAT( misfdep(:,:) ) CALL lbc_lnk( zbathy, 'T', 1. ) misfdep(:,:) = INT( zbathy(:,:) ) CALL lbc_lnk( risfdep, 'T', 1. ) CALL lbc_lnk( bathy, 'T', 1. ) zbathy(:,:) = FLOAT( mbathy(:,:) ) CALL lbc_lnk( zbathy, 'T', 1. ) mbathy(:,:) = INT( zbathy(:,:) ) ENDIF ! if not compatible after all check (ie U point water column less than 2 cells), mask U DO jj = 1, jpjm1 DO ji = 1, jpim1 IF (misfdep(ji,jj) == mbathy(ji+1,jj) .AND. mbathy(ji,jj) .GE. 1 .AND. mbathy(ji+1,jj) .GE. 1) THEN mbathy(ji+1,jj) = mbathy(ji+1,jj) - 1; bathy(ji+1,jj) = gdepw_1d(mbathy(ji+1,jj)+1) ; END IF END DO END DO IF( lk_mpp ) THEN zbathy(:,:) = FLOAT( misfdep(:,:) ) CALL lbc_lnk( zbathy, 'T', 1. ) misfdep(:,:) = INT( zbathy(:,:) ) CALL lbc_lnk( risfdep, 'T', 1. ) CALL lbc_lnk( bathy, 'T', 1. ) zbathy(:,:) = FLOAT( mbathy(:,:) ) CALL lbc_lnk( zbathy, 'T', 1. ) mbathy(:,:) = INT( zbathy(:,:) ) ENDIF ! if not compatible after all check (ie V point water column less than 2 cells), mask V DO jj = 1, jpjm1 DO ji = 1, jpi IF (mbathy(ji,jj) == misfdep(ji,jj+1) .AND. mbathy(ji,jj) .GE. 1 .AND. mbathy(ji,jj+1) .GE. 1) THEN mbathy(ji,jj) = mbathy(ji,jj) - 1 ; bathy(ji,jj) = gdepw_1d(mbathy(ji,jj)+1) ; END IF END DO END DO IF( lk_mpp ) THEN zbathy(:,:) = FLOAT( misfdep(:,:) ) CALL lbc_lnk( zbathy, 'T', 1. ) misfdep(:,:) = INT( zbathy(:,:) ) CALL lbc_lnk( risfdep, 'T', 1. ) CALL lbc_lnk( bathy, 'T', 1. ) zbathy(:,:) = FLOAT( mbathy(:,:) ) CALL lbc_lnk( zbathy, 'T', 1. ) mbathy(:,:) = INT( zbathy(:,:) ) ENDIF ! if not compatible after all check (ie V point water column less than 2 cells), mask V DO jj = 1, jpjm1 DO ji = 1, jpi IF (misfdep(ji,jj) == mbathy(ji,jj+1) .AND. mbathy(ji,jj) .GE. 1 .AND. mbathy(ji,jj+1) .GE. 1) THEN mbathy(ji,jj+1) = mbathy(ji,jj+1) - 1 ; bathy(ji,jj+1) = gdepw_1d(mbathy(ji,jj+1)+1) ; END IF END DO END DO IF( lk_mpp ) THEN zbathy(:,:) = FLOAT( misfdep(:,:) ) CALL lbc_lnk( zbathy, 'T', 1. ) misfdep(:,:) = INT( zbathy(:,:) ) CALL lbc_lnk( risfdep, 'T', 1. ) CALL lbc_lnk( bathy, 'T', 1. ) zbathy(:,:) = FLOAT( mbathy(:,:) ) CALL lbc_lnk( zbathy, 'T', 1. ) mbathy(:,:) = INT( zbathy(:,:) ) ENDIF ! if not compatible after all check, mask T DO jj = 1, jpj DO ji = 1, jpi IF (mbathy(ji,jj) <= misfdep(ji,jj)) THEN misfdep(ji,jj) = 0 ; risfdep(ji,jj) = 0._wp ; mbathy(ji,jj) = 0 ; bathy(ji,jj) = 0._wp ; END IF END DO END DO WHERE (mbathy(:,:) == 1) mbathy = 0; bathy = 0.0_wp ; misfdep = 0 ; risfdep = 0.0_wp END WHERE END DO ! end check compatibility ice shelf/bathy ! remove very shallow ice shelf (less than ~ 10m if 75L) WHERE (misfdep(:,:) <= 5) misfdep = 1; risfdep = 0.0_wp; END WHERE IF( icompt == 0 ) THEN IF(lwp) WRITE(numout,*)' no points with ice shelf too close to bathymetry' ELSE IF(lwp) WRITE(numout,*)' ',icompt,' ocean grid points with ice shelf thickness reduced to avoid bathymetry' ENDIF CALL wrk_dealloc( jpi, jpj, zmask, zbathy, zrisfdep ) CALL wrk_dealloc( jpi, jpj, zmisfdep, zmbathy ) IF( nn_timing == 1 ) CALL timing_stop('zgr_isf') END SUBROUTINE SUBROUTINE zgr_sco !!---------------------------------------------------------------------- !! *** ROUTINE zgr_sco *** !! !! ** Purpose : define the s-coordinate system !! !! ** Method : s-coordinate !! The depth of model levels is defined as the product of an !! analytical function by the local bathymetry, while the vertical !! scale factors are defined as the product of the first derivative !! of the analytical function by the bathymetry. !! (this solution save memory as depth and scale factors are not !! 3d fields) !! - Read bathymetry (in meters) at t-point and compute the !! bathymetry at u-, v-, and f-points. !! hbatu = mi( hbatt ) !! hbatv = mj( hbatt ) !! hbatf = mi( mj( hbatt ) ) !! - Compute z_gsigt, z_gsigw, z_esigt, z_esigw from an analytical !! function and its derivative given as function. !! z_gsigt(k) = fssig (k ) !! z_gsigw(k) = fssig (k-0.5) !! z_esigt(k) = fsdsig(k ) !! z_esigw(k) = fsdsig(k-0.5) !! Three options for stretching are give, and they can be modified !! following the users requirements. Nevertheless, the output as !! well as the way to compute the model levels and scale factors !! must be respected in order to insure second order accuracy !! schemes. !! !! The three methods for stretching available are: !! !! s_sh94 (Song and Haidvogel 1994) !! a sinh/tanh function that allows sigma and stretched sigma !! !! s_sf12 (Siddorn and Furner 2012?) !! allows the maintenance of fixed surface and or !! bottom cell resolutions (cf. geopotential coordinates) !! within an analytically derived stretched S-coordinate framework. !! !! s_tanh (Madec et al 1996) !! a cosh/tanh function that gives stretched coordinates !! !!---------------------------------------------------------------------- ! INTEGER :: ji, jj, jk, jl ! dummy loop argument INTEGER :: iip1, ijp1, iim1, ijm1 ! temporary integers INTEGER :: ios ! Local integer output status for namelist read REAL(wp) :: zrmax, ztaper ! temporary scalars REAL(wp) :: zrfact ! REAL(wp), POINTER, DIMENSION(:,: ) :: ztmpi1, ztmpi2, ztmpj1, ztmpj2 REAL(wp), POINTER, DIMENSION(:,: ) :: zenv, ztmp, zmsk, zri, zrj, zhbat NAMELIST/namzgr_sco/ln_s_sh94, ln_s_sf12, ln_sigcrit, rn_sbot_min, rn_sbot_max, rn_hc, rn_rmax,rn_theta, & rn_thetb, rn_bb, rn_alpha, rn_efold, rn_zs, rn_zb_a, rn_zb_b !!---------------------------------------------------------------------- ! IF( nn_timing == 1 ) CALL timing_start('zgr_sco') ! CALL wrk_alloc( jpi, jpj, zenv, ztmp, zmsk, zri, zrj, zhbat , ztmpi1, ztmpi2, ztmpj1, ztmpj2 ) ! REWIND( numnam_ref ) ! Namelist namzgr_sco in reference namelist : Sigma-stretching parameters READ ( numnam_ref, namzgr_sco, IOSTAT = ios, ERR = 901) 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namzgr_sco in reference namelist', lwp ) REWIND( numnam_cfg ) ! Namelist namzgr_sco in configuration namelist : Sigma-stretching parameters READ ( numnam_cfg, namzgr_sco, IOSTAT = ios, ERR = 902 ) 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namzgr_sco in configuration namelist', lwp ) IF(lwm) WRITE ( numond, namzgr_sco ) IF(lwp) THEN ! control print WRITE(numout,*) WRITE(numout,*) 'domzgr_sco : s-coordinate or hybrid z-s-coordinate' WRITE(numout,*) '~~~~~~~~~~~' WRITE(numout,*) ' Namelist namzgr_sco' WRITE(numout,*) ' stretching coeffs ' WRITE(numout,*) ' maximum depth of s-bottom surface (>0) rn_sbot_max = ',rn_sbot_max WRITE(numout,*) ' minimum depth of s-bottom surface (>0) rn_sbot_min = ',rn_sbot_min WRITE(numout,*) ' Critical depth rn_hc = ',rn_hc WRITE(numout,*) ' maximum cut-off r-value allowed rn_rmax = ',rn_rmax WRITE(numout,*) ' Song and Haidvogel 1994 stretching ln_s_sh94 = ',ln_s_sh94 WRITE(numout,*) ' Song and Haidvogel 1994 stretching coefficients' WRITE(numout,*) ' surface control parameter (0<=rn_theta<=20) rn_theta = ',rn_theta WRITE(numout,*) ' bottom control parameter (0<=rn_thetb<= 1) rn_thetb = ',rn_thetb WRITE(numout,*) ' stretching parameter (song and haidvogel) rn_bb = ',rn_bb WRITE(numout,*) ' Siddorn and Furner 2012 stretching ln_s_sf12 = ',ln_s_sf12 WRITE(numout,*) ' switching to sigma (T) or Z (F) at H1 surface; <1 bottom) rn_alpha = ',rn_alpha WRITE(numout,*) ' e-fold length scale for transition region rn_efold = ',rn_efold WRITE(numout,*) ' Surface cell depth (Zs) (m) rn_zs = ',rn_zs WRITE(numout,*) ' Bathymetry multiplier for Zb rn_zb_a = ',rn_zb_a WRITE(numout,*) ' Offset for Zb rn_zb_b = ',rn_zb_b WRITE(numout,*) ' Bottom cell (Zb) (m) = H*rn_zb_a + rn_zb_b' ENDIF hift(:,:) = rn_sbot_min ! set the minimum depth for the s-coordinate hifu(:,:) = rn_sbot_min hifv(:,:) = rn_sbot_min hiff(:,:) = rn_sbot_min ! ! set maximum ocean depth bathy(:,:) = MIN( rn_sbot_max, bathy(:,:) ) DO jj = 1, jpj DO ji = 1, jpi IF( bathy(ji,jj) > 0._wp ) bathy(ji,jj) = MAX( rn_sbot_min, bathy(ji,jj) ) END DO END DO ! ! ============================= ! ! Define the envelop bathymetry (hbatt) ! ! ============================= ! use r-value to create hybrid coordinates zenv(:,:) = bathy(:,:) ! ! set first land point adjacent to a wet cell to sbot_min as this needs to be included in smoothing DO jj = 1, jpj DO ji = 1, jpi IF( bathy(ji,jj) == 0._wp ) THEN iip1 = MIN( ji+1, jpi ) ijp1 = MIN( jj+1, jpj ) iim1 = MAX( ji-1, 1 ) ijm1 = MAX( jj-1, 1 ) IF( ( + bathy(iim1,ijp1) + bathy(ji,ijp1) + bathy(iip1,ijp1) & & + bathy(iim1,jj ) + bathy(iip1,jj ) & & + bathy(iim1,ijm1) + bathy(ji,ijm1) + bathy(iip1,ijp1) ) > 0._wp ) THEN zenv(ji,jj) = rn_sbot_min ENDIF ENDIF END DO END DO ! apply lateral boundary condition CAUTION: keep the value when the lbc field is zero CALL lbc_lnk( zenv, 'T', 1._wp, 'no0' ) ! ! smooth the bathymetry (if required) scosrf(:,:) = 0._wp ! ocean surface depth (here zero: no under ice-shelf sea) scobot(:,:) = bathy(:,:) ! ocean bottom depth ! jl = 0 zrmax = 1._wp ! ! ! set scaling factor used in reducing vertical gradients zrfact = ( 1._wp - rn_rmax ) / ( 1._wp + rn_rmax ) ! ! initialise temporary evelope depth arrays ztmpi1(:,:) = zenv(:,:) ztmpi2(:,:) = zenv(:,:) ztmpj1(:,:) = zenv(:,:) ztmpj2(:,:) = zenv(:,:) ! ! initialise temporary r-value arrays zri(:,:) = 1._wp zrj(:,:) = 1._wp ! ! ================ ! DO WHILE( jl <= 10000 .AND. ( zrmax - rn_rmax ) > 1.e-8_wp ) ! Iterative loop ! ! ! ================ ! jl = jl + 1 zrmax = 0._wp ! we set zrmax from previous r-values (zri and zrj) first ! if set after current r-value calculation (as previously) ! we could exit DO WHILE prematurely before checking r-value ! of current zenv DO jj = 1, nlcj DO ji = 1, nlci zrmax = MAX( zrmax, ABS(zri(ji,jj)), ABS(zrj(ji,jj)) ) END DO END DO zri(:,:) = 0._wp zrj(:,:) = 0._wp DO jj = 1, nlcj DO ji = 1, nlci iip1 = MIN( ji+1, nlci ) ! force zri = 0 on last line (ji=ncli+1 to jpi) ijp1 = MIN( jj+1, nlcj ) ! force zrj = 0 on last raw (jj=nclj+1 to jpj) IF( (zenv(ji,jj) > 0._wp) .AND. (zenv(iip1,jj) > 0._wp)) THEN zri(ji,jj) = ( zenv(iip1,jj ) - zenv(ji,jj) ) / ( zenv(iip1,jj ) + zenv(ji,jj) ) END IF IF( (zenv(ji,jj) > 0._wp) .AND. (zenv(ji,ijp1) > 0._wp)) THEN zrj(ji,jj) = ( zenv(ji ,ijp1) - zenv(ji,jj) ) / ( zenv(ji ,ijp1) + zenv(ji,jj) ) END IF IF( zri(ji,jj) > rn_rmax ) ztmpi1(ji ,jj ) = zenv(iip1,jj ) * zrfact IF( zri(ji,jj) < -rn_rmax ) ztmpi2(iip1,jj ) = zenv(ji ,jj ) * zrfact IF( zrj(ji,jj) > rn_rmax ) ztmpj1(ji ,jj ) = zenv(ji ,ijp1) * zrfact IF( zrj(ji,jj) < -rn_rmax ) ztmpj2(ji ,ijp1) = zenv(ji ,jj ) * zrfact END DO END DO IF( lk_mpp ) CALL mpp_max( zrmax ) ! max over the global domain ! IF(lwp)WRITE(numout,*) 'zgr_sco : iter= ',jl, ' rmax= ', zrmax ! DO jj = 1, nlcj DO ji = 1, nlci zenv(ji,jj) = MAX(zenv(ji,jj), ztmpi1(ji,jj), ztmpi2(ji,jj), ztmpj1(ji,jj), ztmpj2(ji,jj) ) END DO END DO ! apply lateral boundary condition CAUTION: keep the value when the lbc field is zero CALL lbc_lnk( zenv, 'T', 1._wp, 'no0' ) ! ! ================ ! END DO ! End loop ! ! ! ================ ! DO jj = 1, jpj DO ji = 1, jpi zenv(ji,jj) = MAX( zenv(ji,jj), rn_sbot_min ) ! set all points to avoid undefined scale value warnings END DO END DO ! ! Envelope bathymetry saved in hbatt hbatt(:,:) = zenv(:,:) IF( MINVAL( gphit(:,:) ) * MAXVAL( gphit(:,:) ) <= 0._wp ) THEN IF ( jphgr_msh == 2 .OR. jphgr_msh == 3) CALL ctl_stop( 'dom:zgr_sco: if jphgr_msh = 2 or 3 and & & s-coordinates stop, if not correction at Equator is applied, but it is wrong') CALL ctl_warn( ' s-coordinates are tapered in vicinity of the Equator' ) DO jj = 1, jpj DO ji = 1, jpi ztaper = EXP( -(gphit(ji,jj)/8._wp)**2._wp ) hbatt(ji,jj) = rn_sbot_max * ztaper + hbatt(ji,jj) * ( 1._wp - ztaper ) END DO END DO ENDIF ! IF(lwp) THEN ! Control print WRITE(numout,*) WRITE(numout,*) ' domzgr: hbatt field; ocean depth in meters' WRITE(numout,*) CALL prihre( hbatt(1,1), jpi, jpj, 1, jpi, 1, 1, jpj, 1, 0._wp, numout ) IF( nprint == 1 ) THEN WRITE(numout,*) ' bathy MAX ', MAXVAL( bathy(:,:) ), ' MIN ', MINVAL( bathy(:,:) ) WRITE(numout,*) ' hbatt MAX ', MAXVAL( hbatt(:,:) ), ' MIN ', MINVAL( hbatt(:,:) ) ENDIF ENDIF ! ! ============================== ! ! hbatu, hbatv, hbatf fields ! ! ============================== IF(lwp) THEN WRITE(numout,*) WRITE(numout,*) ' zgr_sco: minimum depth of the envelop topography set to : ', rn_sbot_min ENDIF hbatu(:,:) = rn_sbot_min hbatv(:,:) = rn_sbot_min hbatf(:,:) = rn_sbot_min DO jj = 1, jpjm1 DO ji = 1, jpim1 ! NO vector opt. hbatu(ji,jj) = 0.50_wp * ( hbatt(ji ,jj) + hbatt(ji+1,jj ) ) hbatv(ji,jj) = 0.50_wp * ( hbatt(ji ,jj) + hbatt(ji ,jj+1) ) hbatf(ji,jj) = 0.25_wp * ( hbatt(ji ,jj) + hbatt(ji ,jj+1) & & + hbatt(ji+1,jj) + hbatt(ji+1,jj+1) ) END DO END DO ! ! Apply lateral boundary condition !!gm ! CAUTION: retain non zero value in the initial file this should be OK for orca cfg, not for EEL zhbat(:,:) = hbatu(:,:) ; CALL lbc_lnk( hbatu, 'U', 1._wp ) DO jj = 1, jpj DO ji = 1, jpi IF( hbatu(ji,jj) == 0._wp ) THEN IF( zhbat(ji,jj) == 0._wp ) hbatu(ji,jj) = rn_sbot_min IF( zhbat(ji,jj) /= 0._wp ) hbatu(ji,jj) = zhbat(ji,jj) ENDIF END DO END DO zhbat(:,:) = hbatv(:,:) ; CALL lbc_lnk( hbatv, 'V', 1._wp ) DO jj = 1, jpj DO ji = 1, jpi IF( hbatv(ji,jj) == 0._wp ) THEN IF( zhbat(ji,jj) == 0._wp ) hbatv(ji,jj) = rn_sbot_min IF( zhbat(ji,jj) /= 0._wp ) hbatv(ji,jj) = zhbat(ji,jj) ENDIF END DO END DO zhbat(:,:) = hbatf(:,:) ; CALL lbc_lnk( hbatf, 'F', 1._wp ) DO jj = 1, jpj DO ji = 1, jpi IF( hbatf(ji,jj) == 0._wp ) THEN IF( zhbat(ji,jj) == 0._wp ) hbatf(ji,jj) = rn_sbot_min IF( zhbat(ji,jj) /= 0._wp ) hbatf(ji,jj) = zhbat(ji,jj) ENDIF END DO END DO !!bug: key_helsinki a verifer hift(:,:) = MIN( hift(:,:), hbatt(:,:) ) hifu(:,:) = MIN( hifu(:,:), hbatu(:,:) ) hifv(:,:) = MIN( hifv(:,:), hbatv(:,:) ) hiff(:,:) = MIN( hiff(:,:), hbatf(:,:) ) IF( nprint == 1 .AND. lwp ) THEN WRITE(numout,*) ' MAX val hif t ', MAXVAL( hift (:,:) ), ' f ', MAXVAL( hiff (:,:) ), & & ' u ', MAXVAL( hifu (:,:) ), ' v ', MAXVAL( hifv (:,:) ) WRITE(numout,*) ' MIN val hif t ', MINVAL( hift (:,:) ), ' f ', MINVAL( hiff (:,:) ), & & ' u ', MINVAL( hifu (:,:) ), ' v ', MINVAL( hifv (:,:) ) WRITE(numout,*) ' MAX val hbat t ', MAXVAL( hbatt(:,:) ), ' f ', MAXVAL( hbatf(:,:) ), & & ' u ', MAXVAL( hbatu(:,:) ), ' v ', MAXVAL( hbatv(:,:) ) WRITE(numout,*) ' MIN val hbat t ', MINVAL( hbatt(:,:) ), ' f ', MINVAL( hbatf(:,:) ), & & ' u ', MINVAL( hbatu(:,:) ), ' v ', MINVAL( hbatv(:,:) ) ENDIF !! helsinki ! ! ======================= ! ! s-ccordinate fields (gdep., e3.) ! ! ======================= ! ! non-dimensional "sigma" for model level depth at w- and t-levels !======================================================================== ! Song and Haidvogel 1994 (ln_s_sh94=T) ! Siddorn and Furner 2012 (ln_sf12=T) ! or tanh function (both false) !======================================================================== IF ( ln_s_sh94 ) THEN CALL s_sh94() ELSE IF ( ln_s_sf12 ) THEN CALL s_sf12() ELSE CALL s_tanh() ENDIF CALL lbc_lnk( e3t_0 , 'T', 1._wp ) CALL lbc_lnk( e3u_0 , 'U', 1._wp ) CALL lbc_lnk( e3v_0 , 'V', 1._wp ) CALL lbc_lnk( e3f_0 , 'F', 1._wp ) CALL lbc_lnk( e3w_0 , 'W', 1._wp ) CALL lbc_lnk( e3uw_0, 'U', 1._wp ) CALL lbc_lnk( e3vw_0, 'V', 1._wp ) fsdepw(:,:,:) = gdepw_0 (:,:,:) fsde3w(:,:,:) = gdep3w_0(:,:,:) ! where (e3t_0 (:,:,:).eq.0.0) e3t_0(:,:,:) = 1.0 where (e3u_0 (:,:,:).eq.0.0) e3u_0(:,:,:) = 1.0 where (e3v_0 (:,:,:).eq.0.0) e3v_0(:,:,:) = 1.0 where (e3f_0 (:,:,:).eq.0.0) e3f_0(:,:,:) = 1.0 where (e3w_0 (:,:,:).eq.0.0) e3w_0(:,:,:) = 1.0 where (e3uw_0 (:,:,:).eq.0.0) e3uw_0(:,:,:) = 1.0 where (e3vw_0 (:,:,:).eq.0.0) e3vw_0(:,:,:) = 1.0 #if defined key_agrif ! Ensure meaningful vertical scale factors in ghost lines/columns IF( .NOT. Agrif_Root() ) THEN ! IF((nbondi == -1).OR.(nbondi == 2)) THEN e3u_0(1,:,:) = e3u_0(2,:,:) ENDIF ! IF((nbondi == 1).OR.(nbondi == 2)) THEN e3u_0(nlci-1,:,:) = e3u_0(nlci-2,:,:) ENDIF ! IF((nbondj == -1).OR.(nbondj == 2)) THEN e3v_0(:,1,:) = e3v_0(:,2,:) ENDIF ! IF((nbondj == 1).OR.(nbondj == 2)) THEN e3v_0(:,nlcj-1,:) = e3v_0(:,nlcj-2,:) ENDIF ! ENDIF #endif fsdept(:,:,:) = gdept_0 (:,:,:) fsdepw(:,:,:) = gdepw_0 (:,:,:) fsde3w(:,:,:) = gdep3w_0(:,:,:) fse3t (:,:,:) = e3t_0 (:,:,:) fse3u (:,:,:) = e3u_0 (:,:,:) fse3v (:,:,:) = e3v_0 (:,:,:) fse3f (:,:,:) = e3f_0 (:,:,:) fse3w (:,:,:) = e3w_0 (:,:,:) fse3uw(:,:,:) = e3uw_0 (:,:,:) fse3vw(:,:,:) = e3vw_0 (:,:,:) !! ! HYBRID : DO jj = 1, jpj DO ji = 1, jpi DO jk = 1, jpkm1 IF( scobot(ji,jj) >= fsdept(ji,jj,jk) ) mbathy(ji,jj) = MAX( 2, jk ) END DO IF( scobot(ji,jj) == 0._wp ) mbathy(ji,jj) = 0 END DO END DO IF( nprint == 1 .AND. lwp ) WRITE(numout,*) ' MIN val mbathy h90 ', MINVAL( mbathy(:,:) ), & & ' MAX ', MAXVAL( mbathy(:,:) ) IF( nprint == 1 .AND. lwp ) THEN ! min max values over the local domain WRITE(numout,*) ' MIN val mbathy ', MINVAL( mbathy(:,:) ), ' MAX ', MAXVAL( mbathy(:,:) ) WRITE(numout,*) ' MIN val depth t ', MINVAL( gdept_0(:,:,:) ), & & ' w ', MINVAL( gdepw_0(:,:,:) ), '3w ' , MINVAL( gdep3w_0(:,:,:) ) WRITE(numout,*) ' MIN val e3 t ', MINVAL( e3t_0 (:,:,:) ), ' f ' , MINVAL( e3f_0 (:,:,:) ), & & ' u ', MINVAL( e3u_0 (:,:,:) ), ' u ' , MINVAL( e3v_0 (:,:,:) ), & & ' uw', MINVAL( e3uw_0 (:,:,:) ), ' vw' , MINVAL( e3vw_0 (:,:,:) ), & & ' w ', MINVAL( e3w_0 (:,:,:) ) WRITE(numout,*) ' MAX val depth t ', MAXVAL( gdept_0(:,:,:) ), & & ' w ', MAXVAL( gdepw_0(:,:,:) ), '3w ' , MAXVAL( gdep3w_0(:,:,:) ) WRITE(numout,*) ' MAX val e3 t ', MAXVAL( e3t_0 (:,:,:) ), ' f ' , MAXVAL( e3f_0 (:,:,:) ), & & ' u ', MAXVAL( e3u_0 (:,:,:) ), ' u ' , MAXVAL( e3v_0 (:,:,:) ), & & ' uw', MAXVAL( e3uw_0 (:,:,:) ), ' vw' , MAXVAL( e3vw_0 (:,:,:) ), & & ' w ', MAXVAL( e3w_0 (:,:,:) ) ENDIF ! END DO IF(lwp) THEN ! selected vertical profiles WRITE(numout,*) WRITE(numout,*) ' domzgr: vertical coordinates : point (1,1,k) bathy = ', bathy(1,1), hbatt(1,1) WRITE(numout,*) ' ~~~~~~ --------------------' WRITE(numout,"(9x,' level gdept_0 gdepw_0 e3t_0 e3w_0')") WRITE(numout,"(10x,i4,4f9.2)") ( jk, gdept_0(1,1,jk), gdepw_0(1,1,jk), & & e3t_0 (1,1,jk) , e3w_0 (1,1,jk) , jk=1,jpk ) DO jj = mj0(20), mj1(20) DO ji = mi0(20), mi1(20) WRITE(numout,*) WRITE(numout,*) ' domzgr: vertical coordinates : point (20,20,k) bathy = ', bathy(ji,jj), hbatt(ji,jj) WRITE(numout,*) ' ~~~~~~ --------------------' WRITE(numout,"(9x,' level gdept_0 gdepw_0 e3t_0 e3w_0')") WRITE(numout,"(10x,i4,4f9.2)") ( jk, gdept_0(ji,jj,jk), gdepw_0(ji,jj,jk), & & e3t_0 (ji,jj,jk) , e3w_0 (ji,jj,jk) , jk=1,jpk ) END DO END DO DO jj = mj0(74), mj1(74) DO ji = mi0(100), mi1(100) WRITE(numout,*) WRITE(numout,*) ' domzgr: vertical coordinates : point (100,74,k) bathy = ', bathy(ji,jj), hbatt(ji,jj) WRITE(numout,*) ' ~~~~~~ --------------------' WRITE(numout,"(9x,' level gdept_0 gdepw_0 e3t_0 e3w_0')") WRITE(numout,"(10x,i4,4f9.2)") ( jk, gdept_0(ji,jj,jk), gdepw_0(ji,jj,jk), & & e3t_0 (ji,jj,jk) , e3w_0 (ji,jj,jk) , jk=1,jpk ) END DO END DO ENDIF !================================================================================ ! check the coordinate makes sense !================================================================================ DO ji = 1, jpi DO jj = 1, jpj IF( hbatt(ji,jj) > 0._wp) THEN DO jk = 1, mbathy(ji,jj) ! check coordinate is monotonically increasing IF (fse3w(ji,jj,jk) <= 0._wp .OR. fse3t(ji,jj,jk) <= 0._wp ) THEN WRITE(ctmp1,*) 'ERROR zgr_sco : e3w or e3t =< 0 at point (i,j,k)= ', ji, jj, jk WRITE(numout,*) 'ERROR zgr_sco : e3w or e3t =< 0 at point (i,j,k)= ', ji, jj, jk WRITE(numout,*) 'e3w',fse3w(ji,jj,:) WRITE(numout,*) 'e3t',fse3t(ji,jj,:) CALL ctl_stop( ctmp1 ) ENDIF ! and check it has never gone negative IF( fsdepw(ji,jj,jk) < 0._wp .OR. fsdept(ji,jj,jk) < 0._wp ) THEN WRITE(ctmp1,*) 'ERROR zgr_sco : gdepw or gdept =< 0 at point (i,j,k)= ', ji, jj, jk WRITE(numout,*) 'ERROR zgr_sco : gdepw or gdept =< 0 at point (i,j,k)= ', ji, jj, jk WRITE(numout,*) 'gdepw',fsdepw(ji,jj,:) WRITE(numout,*) 'gdept',fsdept(ji,jj,:) CALL ctl_stop( ctmp1 ) ENDIF ! and check it never exceeds the total depth IF( fsdepw(ji,jj,jk) > hbatt(ji,jj) ) THEN WRITE(ctmp1,*) 'ERROR zgr_sco : gdepw > hbatt at point (i,j,k)= ', ji, jj, jk WRITE(numout,*) 'ERROR zgr_sco : gdepw > hbatt at point (i,j,k)= ', ji, jj, jk WRITE(numout,*) 'gdepw',fsdepw(ji,jj,:) CALL ctl_stop( ctmp1 ) ENDIF END DO DO jk = 1, mbathy(ji,jj)-1 ! and check it never exceeds the total depth IF( fsdept(ji,jj,jk) > hbatt(ji,jj) ) THEN WRITE(ctmp1,*) 'ERROR zgr_sco : gdept > hbatt at point (i,j,k)= ', ji, jj, jk WRITE(numout,*) 'ERROR zgr_sco : gdept > hbatt at point (i,j,k)= ', ji, jj, jk WRITE(numout,*) 'gdept',fsdept(ji,jj,:) CALL ctl_stop( ctmp1 ) ENDIF END DO ENDIF END DO END DO ! CALL wrk_dealloc( jpi, jpj, zenv, ztmp, zmsk, zri, zrj, zhbat , ztmpi1, ztmpi2, ztmpj1, ztmpj2 ) ! IF( nn_timing == 1 ) CALL timing_stop('zgr_sco') ! END SUBROUTINE zgr_sco !!====================================================================== SUBROUTINE s_sh94() !!---------------------------------------------------------------------- !! *** ROUTINE s_sh94 *** !! !! ** Purpose : stretch the s-coordinate system !! !! ** Method : s-coordinate stretch using the Song and Haidvogel 1994 !! mixed S/sigma coordinate !! !! Reference : Song and Haidvogel 1994. !!---------------------------------------------------------------------- ! INTEGER :: ji, jj, jk ! dummy loop argument REAL(wp) :: zcoeft, zcoefw ! temporary scalars ! REAL(wp), POINTER, DIMENSION(:,:,:) :: z_gsigw3, z_gsigt3, z_gsi3w3 REAL(wp), POINTER, DIMENSION(:,:,:) :: z_esigt3, z_esigw3, z_esigtu3, z_esigtv3, z_esigtf3, z_esigwu3, z_esigwv3 CALL wrk_alloc( jpi, jpj, jpk, z_gsigw3, z_gsigt3, z_gsi3w3 ) CALL wrk_alloc( jpi, jpj, jpk, z_esigt3, z_esigw3, z_esigtu3, z_esigtv3, z_esigtf3, z_esigwu3, z_esigwv3 ) z_gsigw3 = 0._wp ; z_gsigt3 = 0._wp ; z_gsi3w3 = 0._wp z_esigt3 = 0._wp ; z_esigw3 = 0._wp z_esigtu3 = 0._wp ; z_esigtv3 = 0._wp ; z_esigtf3 = 0._wp z_esigwu3 = 0._wp ; z_esigwv3 = 0._wp DO ji = 1, jpi DO jj = 1, jpj IF( hbatt(ji,jj) > rn_hc ) THEN !deep water, stretched sigma DO jk = 1, jpk z_gsigw3(ji,jj,jk) = -fssig1( REAL(jk,wp)-0.5_wp, rn_bb ) z_gsigt3(ji,jj,jk) = -fssig1( REAL(jk,wp) , rn_bb ) END DO ELSE ! shallow water, uniform sigma DO jk = 1, jpk z_gsigw3(ji,jj,jk) = REAL(jk-1,wp) / REAL(jpk-1,wp) z_gsigt3(ji,jj,jk) = ( REAL(jk-1,wp) + 0.5_wp ) / REAL(jpk-1,wp) END DO ENDIF ! DO jk = 1, jpkm1 z_esigt3(ji,jj,jk ) = z_gsigw3(ji,jj,jk+1) - z_gsigw3(ji,jj,jk) z_esigw3(ji,jj,jk+1) = z_gsigt3(ji,jj,jk+1) - z_gsigt3(ji,jj,jk) END DO z_esigw3(ji,jj,1 ) = 2._wp * ( z_gsigt3(ji,jj,1 ) - z_gsigw3(ji,jj,1 ) ) z_esigt3(ji,jj,jpk) = 2._wp * ( z_gsigt3(ji,jj,jpk) - z_gsigw3(ji,jj,jpk) ) ! ! Coefficients for vertical depth as the sum of e3w scale factors z_gsi3w3(ji,jj,1) = 0.5_wp * z_esigw3(ji,jj,1) DO jk = 2, jpk z_gsi3w3(ji,jj,jk) = z_gsi3w3(ji,jj,jk-1) + z_esigw3(ji,jj,jk) END DO ! DO jk = 1, jpk zcoeft = ( REAL(jk,wp) - 0.5_wp ) / REAL(jpkm1,wp) zcoefw = ( REAL(jk,wp) - 1.0_wp ) / REAL(jpkm1,wp) gdept_0 (ji,jj,jk) = ( scosrf(ji,jj) + (hbatt(ji,jj)-rn_hc)*z_gsigt3(ji,jj,jk)+rn_hc*zcoeft ) gdepw_0 (ji,jj,jk) = ( scosrf(ji,jj) + (hbatt(ji,jj)-rn_hc)*z_gsigw3(ji,jj,jk)+rn_hc*zcoefw ) gdep3w_0(ji,jj,jk) = ( scosrf(ji,jj) + (hbatt(ji,jj)-rn_hc)*z_gsi3w3(ji,jj,jk)+rn_hc*zcoeft ) END DO ! END DO ! for all jj's END DO ! for all ji's DO ji = 1, jpim1 DO jj = 1, jpjm1 DO jk = 1, jpk z_esigtu3(ji,jj,jk) = ( hbatt(ji,jj)*z_esigt3(ji,jj,jk)+hbatt(ji+1,jj)*z_esigt3(ji+1,jj,jk) ) & & / ( hbatt(ji,jj)+hbatt(ji+1,jj) ) z_esigtv3(ji,jj,jk) = ( hbatt(ji,jj)*z_esigt3(ji,jj,jk)+hbatt(ji,jj+1)*z_esigt3(ji,jj+1,jk) ) & & / ( hbatt(ji,jj)+hbatt(ji,jj+1) ) z_esigtf3(ji,jj,jk) = ( hbatt(ji,jj)*z_esigt3(ji,jj,jk)+hbatt(ji+1,jj)*z_esigt3(ji+1,jj,jk) & & + hbatt(ji,jj+1)*z_esigt3(ji,jj+1,jk)+hbatt(ji+1,jj+1)*z_esigt3(ji+1,jj+1,jk) ) & & / ( hbatt(ji,jj)+hbatt(ji+1,jj)+hbatt(ji,jj+1)+hbatt(ji+1,jj+1) ) z_esigwu3(ji,jj,jk) = ( hbatt(ji,jj)*z_esigw3(ji,jj,jk)+hbatt(ji+1,jj)*z_esigw3(ji+1,jj,jk) ) & & / ( hbatt(ji,jj)+hbatt(ji+1,jj) ) z_esigwv3(ji,jj,jk) = ( hbatt(ji,jj)*z_esigw3(ji,jj,jk)+hbatt(ji,jj+1)*z_esigw3(ji,jj+1,jk) ) & & / ( hbatt(ji,jj)+hbatt(ji,jj+1) ) ! e3t_0(ji,jj,jk) = ( (hbatt(ji,jj)-rn_hc)*z_esigt3 (ji,jj,jk) + rn_hc/REAL(jpkm1,wp) ) e3u_0(ji,jj,jk) = ( (hbatu(ji,jj)-rn_hc)*z_esigtu3(ji,jj,jk) + rn_hc/REAL(jpkm1,wp) ) e3v_0(ji,jj,jk) = ( (hbatv(ji,jj)-rn_hc)*z_esigtv3(ji,jj,jk) + rn_hc/REAL(jpkm1,wp) ) e3f_0(ji,jj,jk) = ( (hbatf(ji,jj)-rn_hc)*z_esigtf3(ji,jj,jk) + rn_hc/REAL(jpkm1,wp) ) ! e3w_0 (ji,jj,jk) = ( (hbatt(ji,jj)-rn_hc)*z_esigw3 (ji,jj,jk) + rn_hc/REAL(jpkm1,wp) ) e3uw_0(ji,jj,jk) = ( (hbatu(ji,jj)-rn_hc)*z_esigwu3(ji,jj,jk) + rn_hc/REAL(jpkm1,wp) ) e3vw_0(ji,jj,jk) = ( (hbatv(ji,jj)-rn_hc)*z_esigwv3(ji,jj,jk) + rn_hc/REAL(jpkm1,wp) ) END DO END DO END DO CALL wrk_dealloc( jpi, jpj, jpk, z_gsigw3, z_gsigt3, z_gsi3w3 ) CALL wrk_dealloc( jpi, jpj, jpk, z_esigt3, z_esigw3, z_esigtu3, z_esigtv3, z_esigtf3, z_esigwu3, z_esigwv3 ) END SUBROUTINE s_sh94 SUBROUTINE s_sf12 !!---------------------------------------------------------------------- !! *** ROUTINE s_sf12 *** !! !! ** Purpose : stretch the s-coordinate system !! !! ** Method : s-coordinate stretch using the Siddorn and Furner 2012? !! mixed S/sigma/Z coordinate !! !! This method allows the maintenance of fixed surface and or !! bottom cell resolutions (cf. geopotential coordinates) !! within an analytically derived stretched S-coordinate framework. !! !! !! Reference : Siddorn and Furner 2012 (submitted Ocean modelling). !!---------------------------------------------------------------------- ! INTEGER :: ji, jj, jk ! dummy loop argument REAL(wp) :: zsmth ! smoothing around critical depth REAL(wp) :: zzs, zzb ! Surface and bottom cell thickness in sigma space ! REAL(wp), POINTER, DIMENSION(:,:,:) :: z_gsigw3, z_gsigt3, z_gsi3w3 REAL(wp), POINTER, DIMENSION(:,:,:) :: z_esigt3, z_esigw3, z_esigtu3, z_esigtv3, z_esigtf3, z_esigwu3, z_esigwv3 ! CALL wrk_alloc( jpi, jpj, jpk, z_gsigw3, z_gsigt3, z_gsi3w3 ) CALL wrk_alloc( jpi, jpj, jpk, z_esigt3, z_esigw3, z_esigtu3, z_esigtv3, z_esigtf3, z_esigwu3, z_esigwv3 ) z_gsigw3 = 0._wp ; z_gsigt3 = 0._wp ; z_gsi3w3 = 0._wp z_esigt3 = 0._wp ; z_esigw3 = 0._wp z_esigtu3 = 0._wp ; z_esigtv3 = 0._wp ; z_esigtf3 = 0._wp z_esigwu3 = 0._wp ; z_esigwv3 = 0._wp DO ji = 1, jpi DO jj = 1, jpj IF (hbatt(ji,jj)>rn_hc) THEN !deep water, stretched sigma zzb = hbatt(ji,jj)*rn_zb_a + rn_zb_b ! this forces a linear bottom cell depth relationship with H,. ! could be changed by users but care must be taken to do so carefully zzb = 1.0_wp-(zzb/hbatt(ji,jj)) zzs = rn_zs / hbatt(ji,jj) IF (rn_efold /= 0.0_wp) THEN zsmth = tanh( (hbatt(ji,jj)- rn_hc ) / rn_efold ) ELSE zsmth = 1.0_wp ENDIF DO jk = 1, jpk z_gsigw3(ji,jj,jk) = REAL(jk-1,wp) /REAL(jpk-1,wp) z_gsigt3(ji,jj,jk) = (REAL(jk-1,wp)+0.5_wp)/REAL(jpk-1,wp) ENDDO z_gsigw3(ji,jj,:) = fgamma( z_gsigw3(ji,jj,:), zzb, zzs, zsmth ) z_gsigt3(ji,jj,:) = fgamma( z_gsigt3(ji,jj,:), zzb, zzs, zsmth ) ELSE IF (ln_sigcrit) THEN ! shallow water, uniform sigma DO jk = 1, jpk z_gsigw3(ji,jj,jk) = REAL(jk-1,wp) /REAL(jpk-1,wp) z_gsigt3(ji,jj,jk) = (REAL(jk-1,wp)+0.5)/REAL(jpk-1,wp) END DO ELSE ! shallow water, z coordinates DO jk = 1, jpk z_gsigw3(ji,jj,jk) = REAL(jk-1,wp) /REAL(jpk-1,wp)*(rn_hc/hbatt(ji,jj)) z_gsigt3(ji,jj,jk) = (REAL(jk-1,wp)+0.5_wp)/REAL(jpk-1,wp)*(rn_hc/hbatt(ji,jj)) END DO ENDIF DO jk = 1, jpkm1 z_esigt3(ji,jj,jk) = z_gsigw3(ji,jj,jk+1) - z_gsigw3(ji,jj,jk) z_esigw3(ji,jj,jk+1) = z_gsigt3(ji,jj,jk+1) - z_gsigt3(ji,jj,jk) END DO z_esigw3(ji,jj,1 ) = 2.0_wp * (z_gsigt3(ji,jj,1 ) - z_gsigw3(ji,jj,1 )) z_esigt3(ji,jj,jpk) = 2.0_wp * (z_gsigt3(ji,jj,jpk) - z_gsigw3(ji,jj,jpk)) ! Coefficients for vertical depth as the sum of e3w scale factors z_gsi3w3(ji,jj,1) = 0.5 * z_esigw3(ji,jj,1) DO jk = 2, jpk z_gsi3w3(ji,jj,jk) = z_gsi3w3(ji,jj,jk-1) + z_esigw3(ji,jj,jk) END DO DO jk = 1, jpk gdept_0 (ji,jj,jk) = (scosrf(ji,jj)+hbatt(ji,jj))*z_gsigt3(ji,jj,jk) gdepw_0 (ji,jj,jk) = (scosrf(ji,jj)+hbatt(ji,jj))*z_gsigw3(ji,jj,jk) gdep3w_0(ji,jj,jk) = (scosrf(ji,jj)+hbatt(ji,jj))*z_gsi3w3(ji,jj,jk) END DO ENDDO ! for all jj's ENDDO ! for all ji's DO ji=1,jpi-1 DO jj=1,jpj-1 DO jk = 1, jpk z_esigtu3(ji,jj,jk) = ( hbatt(ji,jj)*z_esigt3(ji,jj,jk)+hbatt(ji+1,jj)*z_esigt3(ji+1,jj,jk) ) / & ( hbatt(ji,jj)+hbatt(ji+1,jj) ) z_esigtv3(ji,jj,jk) = ( hbatt(ji,jj)*z_esigt3(ji,jj,jk)+hbatt(ji,jj+1)*z_esigt3(ji,jj+1,jk) ) / & ( hbatt(ji,jj)+hbatt(ji,jj+1) ) z_esigtf3(ji,jj,jk) = ( hbatt(ji,jj)*z_esigt3(ji,jj,jk)+hbatt(ji+1,jj)*z_esigt3(ji+1,jj,jk) + & hbatt(ji,jj+1)*z_esigt3(ji,jj+1,jk)+hbatt(ji+1,jj+1)*z_esigt3(ji+1,jj+1,jk) ) / & ( hbatt(ji,jj)+hbatt(ji+1,jj)+hbatt(ji,jj+1)+hbatt(ji+1,jj+1) ) z_esigwu3(ji,jj,jk) = ( hbatt(ji,jj)*z_esigw3(ji,jj,jk)+hbatt(ji+1,jj)*z_esigw3(ji+1,jj,jk) ) / & ( hbatt(ji,jj)+hbatt(ji+1,jj) ) z_esigwv3(ji,jj,jk) = ( hbatt(ji,jj)*z_esigw3(ji,jj,jk)+hbatt(ji,jj+1)*z_esigw3(ji,jj+1,jk) ) / & ( hbatt(ji,jj)+hbatt(ji,jj+1) ) e3t_0(ji,jj,jk)=(scosrf(ji,jj)+hbatt(ji,jj))*z_esigt3(ji,jj,jk) e3u_0(ji,jj,jk)=(scosrf(ji,jj)+hbatu(ji,jj))*z_esigtu3(ji,jj,jk) e3v_0(ji,jj,jk)=(scosrf(ji,jj)+hbatv(ji,jj))*z_esigtv3(ji,jj,jk) e3f_0(ji,jj,jk)=(scosrf(ji,jj)+hbatf(ji,jj))*z_esigtf3(ji,jj,jk) ! e3w_0(ji,jj,jk)=hbatt(ji,jj)*z_esigw3(ji,jj,jk) e3uw_0(ji,jj,jk)=hbatu(ji,jj)*z_esigwu3(ji,jj,jk) e3vw_0(ji,jj,jk)=hbatv(ji,jj)*z_esigwv3(ji,jj,jk) END DO ENDDO ENDDO ! CALL lbc_lnk(e3t_0 ,'T',1.) ; CALL lbc_lnk(e3u_0 ,'T',1.) CALL lbc_lnk(e3v_0 ,'T',1.) ; CALL lbc_lnk(e3f_0 ,'T',1.) CALL lbc_lnk(e3w_0 ,'T',1.) CALL lbc_lnk(e3uw_0,'T',1.) ; CALL lbc_lnk(e3vw_0,'T',1.) ! ! ! ============= CALL wrk_dealloc( jpi, jpj, jpk, z_gsigw3, z_gsigt3, z_gsi3w3 ) CALL wrk_dealloc( jpi, jpj, jpk, z_esigt3, z_esigw3, z_esigtu3, z_esigtv3, z_esigtf3, z_esigwu3, z_esigwv3 ) END SUBROUTINE s_sf12 SUBROUTINE s_tanh() !!---------------------------------------------------------------------- !! *** ROUTINE s_tanh*** !! !! ** Purpose : stretch the s-coordinate system !! !! ** Method : s-coordinate stretch !! !! Reference : Madec, Lott, Delecluse and Crepon, 1996. JPO, 26, 1393-1408. !!---------------------------------------------------------------------- INTEGER :: ji, jj, jk ! dummy loop argument REAL(wp) :: zcoeft, zcoefw ! temporary scalars REAL(wp), POINTER, DIMENSION(:) :: z_gsigw, z_gsigt, z_gsi3w REAL(wp), POINTER, DIMENSION(:) :: z_esigt, z_esigw CALL wrk_alloc( jpk, z_gsigw, z_gsigt, z_gsi3w ) CALL wrk_alloc( jpk, z_esigt, z_esigw ) z_gsigw = 0._wp ; z_gsigt = 0._wp ; z_gsi3w = 0._wp z_esigt = 0._wp ; z_esigw = 0._wp DO jk = 1, jpk z_gsigw(jk) = -fssig( REAL(jk,wp)-0.5_wp ) z_gsigt(jk) = -fssig( REAL(jk,wp) ) END DO IF( nprint == 1 .AND. lwp ) WRITE(numout,*) 'z_gsigw 1 jpk ', z_gsigw(1), z_gsigw(jpk) ! ! Coefficients for vertical scale factors at w-, t- levels !!gm bug : define it from analytical function, not like juste bellow.... !!gm or betteroffer the 2 possibilities.... DO jk = 1, jpkm1 z_esigt(jk ) = z_gsigw(jk+1) - z_gsigw(jk) z_esigw(jk+1) = z_gsigt(jk+1) - z_gsigt(jk) END DO z_esigw( 1 ) = 2._wp * ( z_gsigt(1 ) - z_gsigw(1 ) ) z_esigt(jpk) = 2._wp * ( z_gsigt(jpk) - z_gsigw(jpk) ) ! ! Coefficients for vertical depth as the sum of e3w scale factors z_gsi3w(1) = 0.5_wp * z_esigw(1) DO jk = 2, jpk z_gsi3w(jk) = z_gsi3w(jk-1) + z_esigw(jk) END DO !!gm: depuw, depvw can be suppressed (modif in ldfslp) and depw=dep3w can be set (save 3 3D arrays) DO jk = 1, jpk zcoeft = ( REAL(jk,wp) - 0.5_wp ) / REAL(jpkm1,wp) zcoefw = ( REAL(jk,wp) - 1.0_wp ) / REAL(jpkm1,wp) gdept_0 (:,:,jk) = ( scosrf(:,:) + (hbatt(:,:)-hift(:,:))*z_gsigt(jk) + hift(:,:)*zcoeft ) gdepw_0 (:,:,jk) = ( scosrf(:,:) + (hbatt(:,:)-hift(:,:))*z_gsigw(jk) + hift(:,:)*zcoefw ) gdep3w_0(:,:,jk) = ( scosrf(:,:) + (hbatt(:,:)-hift(:,:))*z_gsi3w(jk) + hift(:,:)*zcoeft ) END DO !!gm: e3uw, e3vw can be suppressed (modif in dynzdf, dynzdf_iso, zdfbfr) (save 2 3D arrays) DO jj = 1, jpj DO ji = 1, jpi DO jk = 1, jpk e3t_0(ji,jj,jk) = ( (hbatt(ji,jj)-hift(ji,jj))*z_esigt(jk) + hift(ji,jj)/REAL(jpkm1,wp) ) e3u_0(ji,jj,jk) = ( (hbatu(ji,jj)-hifu(ji,jj))*z_esigt(jk) + hifu(ji,jj)/REAL(jpkm1,wp) ) e3v_0(ji,jj,jk) = ( (hbatv(ji,jj)-hifv(ji,jj))*z_esigt(jk) + hifv(ji,jj)/REAL(jpkm1,wp) ) e3f_0(ji,jj,jk) = ( (hbatf(ji,jj)-hiff(ji,jj))*z_esigt(jk) + hiff(ji,jj)/REAL(jpkm1,wp) ) ! e3w_0 (ji,jj,jk) = ( (hbatt(ji,jj)-hift(ji,jj))*z_esigw(jk) + hift(ji,jj)/REAL(jpkm1,wp) ) e3uw_0(ji,jj,jk) = ( (hbatu(ji,jj)-hifu(ji,jj))*z_esigw(jk) + hifu(ji,jj)/REAL(jpkm1,wp) ) e3vw_0(ji,jj,jk) = ( (hbatv(ji,jj)-hifv(ji,jj))*z_esigw(jk) + hifv(ji,jj)/REAL(jpkm1,wp) ) END DO END DO END DO CALL wrk_dealloc( jpk, z_gsigw, z_gsigt, z_gsi3w ) CALL wrk_dealloc( jpk, z_esigt, z_esigw ) END SUBROUTINE s_tanh FUNCTION fssig( pk ) RESULT( pf ) !!---------------------------------------------------------------------- !! *** ROUTINE fssig *** !! !! ** Purpose : provide the analytical function in s-coordinate !! !! ** Method : the function provide the non-dimensional position of !! T and W (i.e. between 0 and 1) !! T-points at integer values (between 1 and jpk) !! W-points at integer values - 1/2 (between 0.5 and jpk-0.5) !!---------------------------------------------------------------------- REAL(wp), INTENT(in) :: pk ! continuous "k" coordinate REAL(wp) :: pf ! sigma value !!---------------------------------------------------------------------- ! pf = ( TANH( rn_theta * ( -(pk-0.5_wp) / REAL(jpkm1) + rn_thetb ) ) & & - TANH( rn_thetb * rn_theta ) ) & & * ( COSH( rn_theta ) & & + COSH( rn_theta * ( 2._wp * rn_thetb - 1._wp ) ) ) & & / ( 2._wp * SINH( rn_theta ) ) ! END FUNCTION fssig FUNCTION fssig1( pk1, pbb ) RESULT( pf1 ) !!---------------------------------------------------------------------- !! *** ROUTINE fssig1 *** !! !! ** Purpose : provide the Song and Haidvogel version of the analytical function in s-coordinate !! !! ** Method : the function provides the non-dimensional position of !! T and W (i.e. between 0 and 1) !! T-points at integer values (between 1 and jpk) !! W-points at integer values - 1/2 (between 0.5 and jpk-0.5) !!---------------------------------------------------------------------- REAL(wp), INTENT(in) :: pk1 ! continuous "k" coordinate REAL(wp), INTENT(in) :: pbb ! Stretching coefficient REAL(wp) :: pf1 ! sigma value !!---------------------------------------------------------------------- ! IF ( rn_theta == 0 ) then ! uniform sigma pf1 = - ( pk1 - 0.5_wp ) / REAL( jpkm1 ) ELSE ! stretched sigma pf1 = ( 1._wp - pbb ) * ( SINH( rn_theta*(-(pk1-0.5_wp)/REAL(jpkm1)) ) ) / SINH( rn_theta ) & & + pbb * ( (TANH( rn_theta*( (-(pk1-0.5_wp)/REAL(jpkm1)) + 0.5_wp) ) - TANH( 0.5_wp * rn_theta ) ) & & / ( 2._wp * TANH( 0.5_wp * rn_theta ) ) ) ENDIF ! END FUNCTION fssig1 FUNCTION fgamma( pk1, pzb, pzs, psmth) RESULT( p_gamma ) !!---------------------------------------------------------------------- !! *** ROUTINE fgamma *** !! !! ** Purpose : provide analytical function for the s-coordinate !! !! ** Method : the function provides the non-dimensional position of !! T and W (i.e. between 0 and 1) !! T-points at integer values (between 1 and jpk) !! W-points at integer values - 1/2 (between 0.5 and jpk-0.5) !! !! This method allows the maintenance of fixed surface and or !! bottom cell resolutions (cf. geopotential coordinates) !! within an analytically derived stretched S-coordinate framework. !! !! Reference : Siddorn and Furner, in prep !!---------------------------------------------------------------------- REAL(wp), INTENT(in ) :: pk1(jpk) ! continuous "k" coordinate REAL(wp) :: p_gamma(jpk) ! stretched coordinate REAL(wp), INTENT(in ) :: pzb ! Bottom box depth REAL(wp), INTENT(in ) :: pzs ! surface box depth REAL(wp), INTENT(in ) :: psmth ! Smoothing parameter REAL(wp) :: za1,za2,za3 ! local variables REAL(wp) :: zn1,zn2 ! local variables REAL(wp) :: za,zb,zx ! local variables integer :: jk !!---------------------------------------------------------------------- ! zn1 = 1./(jpk-1.) zn2 = 1. - zn1 za1 = (rn_alpha+2.0_wp)*zn1**(rn_alpha+1.0_wp)-(rn_alpha+1.0_wp)*zn1**(rn_alpha+2.0_wp) za2 = (rn_alpha+2.0_wp)*zn2**(rn_alpha+1.0_wp)-(rn_alpha+1.0_wp)*zn2**(rn_alpha+2.0_wp) za3 = (zn2**3.0_wp - za2)/( zn1**3.0_wp - za1) za = pzb - za3*(pzs-za1)-za2 za = za/( zn2-0.5_wp*(za2+zn2**2.0_wp) - za3*(zn1-0.5_wp*(za1+zn1**2.0_wp) ) ) zb = (pzs - za1 - za*( zn1-0.5_wp*(za1+zn1**2.0_wp ) ) ) / (zn1**3.0_wp - za1) zx = 1.0_wp-za/2.0_wp-zb DO jk = 1, jpk p_gamma(jk) = za*(pk1(jk)*(1.0_wp-pk1(jk)/2.0_wp))+zb*pk1(jk)**3.0_wp + & & zx*( (rn_alpha+2.0_wp)*pk1(jk)**(rn_alpha+1.0_wp)- & & (rn_alpha+1.0_wp)*pk1(jk)**(rn_alpha+2.0_wp) ) p_gamma(jk) = p_gamma(jk)*psmth+pk1(jk)*(1.0_wp-psmth) ENDDO ! END FUNCTION fgamma !!====================================================================== END MODULE domzgr