[2990] | 1 | MODULE sbcwave |
---|
| 2 | !!====================================================================== |
---|
| 3 | !! *** MODULE sbcwave *** |
---|
| 4 | !! Wave module |
---|
| 5 | !!====================================================================== |
---|
[3680] | 6 | !! History : 3.3.1 ! 2011-09 (Adani M) Original code: Drag Coefficient |
---|
| 7 | !! : 3.4 ! 2012-10 (Adani M) Stokes Drift |
---|
[2990] | 8 | !!---------------------------------------------------------------------- |
---|
| 9 | USE iom ! I/O manager library |
---|
| 10 | USE in_out_manager ! I/O manager |
---|
| 11 | USE lib_mpp ! distribued memory computing library |
---|
| 12 | USE fldread ! read input fields |
---|
[3680] | 13 | USE oce |
---|
[2990] | 14 | USE sbc_oce ! Surface boundary condition: ocean fields |
---|
[3680] | 15 | USE domvvl |
---|
[2990] | 16 | |
---|
| 17 | |
---|
| 18 | !!---------------------------------------------------------------------- |
---|
| 19 | !! sbc_wave : read drag coefficient from wave model in netcdf files |
---|
| 20 | !!---------------------------------------------------------------------- |
---|
| 21 | |
---|
| 22 | IMPLICIT NONE |
---|
| 23 | PRIVATE |
---|
| 24 | |
---|
[3105] | 25 | PUBLIC sbc_wave ! routine called in sbc_blk_core or sbc_blk_mfs |
---|
[2990] | 26 | |
---|
[3680] | 27 | INTEGER , PARAMETER :: jpfld = 3 ! maximum number of files to read for srokes drift |
---|
| 28 | INTEGER , PARAMETER :: jp_usd = 1 ! index of stokes drift (i-component) (m/s) at T-point |
---|
| 29 | INTEGER , PARAMETER :: jp_vsd = 2 ! index of stokes drift (j-component) (m/s) at T-point |
---|
| 30 | INTEGER , PARAMETER :: jp_wn = 3 ! index of wave number (1/m) at T-point |
---|
| 31 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_cd ! structure of input fields (file informations, fields read) Drag Coefficient |
---|
| 32 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_sd ! structure of input fields (file informations, fields read) Stokes Drift |
---|
[2990] | 33 | REAL(wp),PUBLIC,ALLOCATABLE,DIMENSION (:,:) :: cdn_wave |
---|
[3680] | 34 | REAL(wp),ALLOCATABLE,DIMENSION (:,:) :: usd2d,vsd2d,uwavenum,vwavenum |
---|
| 35 | REAL(wp),PUBLIC,ALLOCATABLE,DIMENSION (:,:,:) :: usd3d,vsd3d,wsd3d |
---|
[2990] | 36 | |
---|
[3680] | 37 | !! * Substitutions |
---|
| 38 | # include "domzgr_substitute.h90" |
---|
[2990] | 39 | !!---------------------------------------------------------------------- |
---|
| 40 | !! NEMO/OPA 4.0 , NEMO Consortium (2011) |
---|
[5215] | 41 | !! $Id$ |
---|
[2990] | 42 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
---|
| 43 | !!---------------------------------------------------------------------- |
---|
| 44 | CONTAINS |
---|
| 45 | |
---|
| 46 | SUBROUTINE sbc_wave( kt ) |
---|
| 47 | !!--------------------------------------------------------------------- |
---|
| 48 | !! *** ROUTINE sbc_apr *** |
---|
| 49 | !! |
---|
| 50 | !! ** Purpose : read drag coefficient from wave model in netcdf files. |
---|
| 51 | !! |
---|
| 52 | !! ** Method : - Read namelist namsbc_wave |
---|
| 53 | !! - Read Cd_n10 fields in netcdf files |
---|
[3680] | 54 | !! - Read stokes drift 2d in netcdf files |
---|
| 55 | !! - Read wave number in netcdf files |
---|
| 56 | !! - Compute 3d stokes drift using monochromatic |
---|
[2990] | 57 | !! ** action : |
---|
| 58 | !! |
---|
| 59 | !!--------------------------------------------------------------------- |
---|
[3680] | 60 | USE oce, ONLY : un,vn,hdivn,rotn |
---|
| 61 | USE divcur |
---|
| 62 | USE wrk_nemo |
---|
| 63 | #if defined key_bdy |
---|
| 64 | USE bdy_oce, ONLY : bdytmask |
---|
| 65 | #endif |
---|
| 66 | INTEGER, INTENT( in ) :: kt ! ocean time step |
---|
[2990] | 67 | INTEGER :: ierror ! return error code |
---|
[3680] | 68 | INTEGER :: ifpr, jj,ji,jk |
---|
[4147] | 69 | INTEGER :: ios ! Local integer output status for namelist read |
---|
[3680] | 70 | REAL(wp),DIMENSION(:,:,:),POINTER :: udummy,vdummy,hdivdummy,rotdummy |
---|
| 71 | REAL :: z2dt,z1_2dt |
---|
| 72 | TYPE(FLD_N), DIMENSION(jpfld) :: slf_i ! array of namelist informations on the fields to read |
---|
| 73 | CHARACTER(len=100) :: cn_dir ! Root directory for location of drag coefficient files |
---|
| 74 | TYPE(FLD_N) :: sn_cdg, sn_usd, sn_vsd, sn_wn ! informations about the fields to be read |
---|
[2990] | 75 | !!--------------------------------------------------------------------- |
---|
[3680] | 76 | NAMELIST/namsbc_wave/ sn_cdg, cn_dir, sn_usd, sn_vsd, sn_wn |
---|
[2990] | 77 | !!--------------------------------------------------------------------- |
---|
| 78 | |
---|
| 79 | !!---------------------------------------------------------------------- |
---|
| 80 | ! |
---|
| 81 | ! |
---|
| 82 | ! ! -------------------- ! |
---|
| 83 | IF( kt == nit000 ) THEN ! First call kt=nit000 ! |
---|
| 84 | ! ! -------------------- ! |
---|
[4147] | 85 | REWIND( numnam_ref ) ! Namelist namsbc_wave in reference namelist : File for drag coeff. from wave model |
---|
| 86 | READ ( numnam_ref, namsbc_wave, IOSTAT = ios, ERR = 901) |
---|
| 87 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_wave in reference namelist', lwp ) |
---|
[2990] | 88 | |
---|
[4147] | 89 | REWIND( numnam_cfg ) ! Namelist namsbc_wave in configuration namelist : File for drag coeff. from wave model |
---|
| 90 | READ ( numnam_cfg, namsbc_wave, IOSTAT = ios, ERR = 902 ) |
---|
| 91 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_wave in configuration namelist', lwp ) |
---|
[4624] | 92 | IF(lwm) WRITE ( numond, namsbc_wave ) |
---|
[2990] | 93 | ! |
---|
| 94 | |
---|
[3680] | 95 | IF ( ln_cdgw ) THEN |
---|
| 96 | ALLOCATE( sf_cd(1), STAT=ierror ) !* allocate and fill sf_wave with sn_cdg |
---|
| 97 | IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'sbc_wave: unable to allocate sf_wave structure' ) |
---|
| 98 | ! |
---|
| 99 | ALLOCATE( sf_cd(1)%fnow(jpi,jpj,1) ) |
---|
| 100 | IF( sn_cdg%ln_tint ) ALLOCATE( sf_cd(1)%fdta(jpi,jpj,1,2) ) |
---|
| 101 | CALL fld_fill( sf_cd, (/ sn_cdg /), cn_dir, 'sbc_wave', 'Wave module ', 'namsbc_wave' ) |
---|
| 102 | ALLOCATE( cdn_wave(jpi,jpj) ) |
---|
| 103 | cdn_wave(:,:) = 0.0 |
---|
| 104 | ENDIF |
---|
| 105 | IF ( ln_sdw ) THEN |
---|
| 106 | slf_i(jp_usd) = sn_usd ; slf_i(jp_vsd) = sn_vsd; slf_i(jp_wn) = sn_wn |
---|
| 107 | ALLOCATE( sf_sd(3), STAT=ierror ) !* allocate and fill sf_wave with sn_cdg |
---|
| 108 | IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'sbc_wave: unable to allocate sf_wave structure' ) |
---|
| 109 | ! |
---|
| 110 | DO ifpr= 1, jpfld |
---|
| 111 | ALLOCATE( sf_sd(ifpr)%fnow(jpi,jpj,1) ) |
---|
| 112 | IF( slf_i(ifpr)%ln_tint ) ALLOCATE( sf_sd(ifpr)%fdta(jpi,jpj,1,2) ) |
---|
| 113 | END DO |
---|
| 114 | CALL fld_fill( sf_sd, slf_i, cn_dir, 'sbc_wave', 'Wave module ', 'namsbc_wave' ) |
---|
| 115 | ALLOCATE( usd2d(jpi,jpj),vsd2d(jpi,jpj),uwavenum(jpi,jpj),vwavenum(jpi,jpj) ) |
---|
| 116 | ALLOCATE( usd3d(jpi,jpj,jpk),vsd3d(jpi,jpj,jpk),wsd3d(jpi,jpj,jpk) ) |
---|
| 117 | usd2d(:,:) = 0.0 ; vsd2d(:,:) = 0.0 ; uwavenum(:,:) = 0.0 ; vwavenum(:,:) = 0.0 |
---|
| 118 | usd3d(:,:,:) = 0.0 ;vsd3d(:,:,:) = 0.0 ; wsd3d(:,:,:) = 0.0 |
---|
| 119 | ENDIF |
---|
[2990] | 120 | ENDIF |
---|
| 121 | ! |
---|
| 122 | ! |
---|
[3680] | 123 | IF ( ln_cdgw ) THEN |
---|
| 124 | CALL fld_read( kt, nn_fsbc, sf_cd ) !* read drag coefficient from external forcing |
---|
| 125 | cdn_wave(:,:) = sf_cd(1)%fnow(:,:,1) |
---|
| 126 | ENDIF |
---|
| 127 | IF ( ln_sdw ) THEN |
---|
| 128 | CALL fld_read( kt, nn_fsbc, sf_sd ) !* read drag coefficient from external forcing |
---|
[2990] | 129 | |
---|
[3680] | 130 | ! Interpolate wavenumber, stokes drift into the grid_V and grid_V |
---|
| 131 | !------------------------------------------------- |
---|
| 132 | |
---|
| 133 | DO jj = 1, jpjm1 |
---|
| 134 | DO ji = 1, jpim1 |
---|
| 135 | uwavenum(ji,jj)=0.5 * ( 2. - umask(ji,jj,1) ) * ( sf_sd(3)%fnow(ji,jj,1) * tmask(ji,jj,1) & |
---|
| 136 | & + sf_sd(3)%fnow(ji+1,jj,1) * tmask(ji+1,jj,1) ) |
---|
| 137 | |
---|
| 138 | vwavenum(ji,jj)=0.5 * ( 2. - vmask(ji,jj,1) ) * ( sf_sd(3)%fnow(ji,jj,1) * tmask(ji,jj,1) & |
---|
| 139 | & + sf_sd(3)%fnow(ji,jj+1,1) * tmask(ji,jj+1,1) ) |
---|
| 140 | |
---|
| 141 | usd2d(ji,jj) = 0.5 * ( 2. - umask(ji,jj,1) ) * ( sf_sd(1)%fnow(ji,jj,1) * tmask(ji,jj,1) & |
---|
| 142 | & + sf_sd(1)%fnow(ji+1,jj,1) * tmask(ji+1,jj,1) ) |
---|
| 143 | |
---|
| 144 | vsd2d(ji,jj) = 0.5 * ( 2. - vmask(ji,jj,1) ) * ( sf_sd(2)%fnow(ji,jj,1) * tmask(ji,jj,1) & |
---|
| 145 | & + sf_sd(2)%fnow(ji,jj+1,1) * tmask(ji,jj+1,1) ) |
---|
| 146 | END DO |
---|
| 147 | END DO |
---|
| 148 | |
---|
| 149 | !Computation of the 3d Stokes Drift |
---|
| 150 | DO jk = 1, jpk |
---|
| 151 | DO jj = 1, jpj-1 |
---|
| 152 | DO ji = 1, jpi-1 |
---|
[4292] | 153 | usd3d(ji,jj,jk) = usd2d(ji,jj)*exp(2.0*uwavenum(ji,jj)*(-MIN( gdept_0(ji,jj,jk) , gdept_0(ji+1,jj ,jk)))) |
---|
| 154 | vsd3d(ji,jj,jk) = vsd2d(ji,jj)*exp(2.0*vwavenum(ji,jj)*(-MIN( gdept_0(ji,jj,jk) , gdept_0(ji ,jj+1,jk)))) |
---|
[3680] | 155 | END DO |
---|
| 156 | END DO |
---|
[4292] | 157 | usd3d(jpi,:,jk) = usd2d(jpi,:)*exp( 2.0*uwavenum(jpi,:)*(-gdept_0(jpi,:,jk)) ) |
---|
| 158 | vsd3d(:,jpj,jk) = vsd2d(:,jpj)*exp( 2.0*vwavenum(:,jpj)*(-gdept_0(:,jpj,jk)) ) |
---|
[3680] | 159 | END DO |
---|
| 160 | |
---|
| 161 | CALL wrk_alloc( jpi,jpj,jpk,udummy,vdummy,hdivdummy,rotdummy) |
---|
| 162 | |
---|
| 163 | udummy(:,:,:)=un(:,:,:) |
---|
| 164 | vdummy(:,:,:)=vn(:,:,:) |
---|
| 165 | hdivdummy(:,:,:)=hdivn(:,:,:) |
---|
| 166 | rotdummy(:,:,:)=rotn(:,:,:) |
---|
| 167 | un(:,:,:)=usd3d(:,:,:) |
---|
| 168 | vn(:,:,:)=vsd3d(:,:,:) |
---|
| 169 | CALL div_cur(kt) |
---|
| 170 | ! !------------------------------! |
---|
| 171 | ! ! Now Vertical Velocity ! |
---|
| 172 | ! !------------------------------! |
---|
| 173 | z2dt = 2._wp * rdt ! set time step size (Euler/Leapfrog) |
---|
| 174 | |
---|
| 175 | z1_2dt = 1.e0 / z2dt |
---|
| 176 | DO jk = jpkm1, 1, -1 ! integrate from the bottom the hor. divergence |
---|
| 177 | ! - ML - need 3 lines here because replacement of fse3t by its expression yields too long lines otherwise |
---|
| 178 | wsd3d(:,:,jk) = wsd3d(:,:,jk+1) - fse3t_n(:,:,jk) * hdivn(:,:,jk) & |
---|
| 179 | & - ( fse3t_a(:,:,jk) - fse3t_b(:,:,jk) ) & |
---|
| 180 | & * tmask(:,:,jk) * z1_2dt |
---|
| 181 | #if defined key_bdy |
---|
| 182 | wsd3d(:,:,jk) = wsd3d(:,:,jk) * bdytmask(:,:) |
---|
| 183 | #endif |
---|
| 184 | END DO |
---|
| 185 | hdivn(:,:,:)=hdivdummy(:,:,:) |
---|
| 186 | rotn(:,:,:)=rotdummy(:,:,:) |
---|
| 187 | vn(:,:,:)=vdummy(:,:,:) |
---|
| 188 | un(:,:,:)=udummy(:,:,:) |
---|
| 189 | CALL wrk_dealloc( jpi,jpj,jpk,udummy,vdummy,hdivdummy,rotdummy) |
---|
| 190 | ENDIF |
---|
[2990] | 191 | END SUBROUTINE sbc_wave |
---|
| 192 | |
---|
| 193 | !!====================================================================== |
---|
| 194 | END MODULE sbcwave |
---|