Changeset 3666 for branches/2012/dev_LOCEAN_UKMO_CMCC_INGV_2012/NEMOGCM/NEMO/OPA_SRC/SBC/sbcwave.F90
- Timestamp:
- 2012-11-26T15:22:04+01:00 (11 years ago)
- File:
-
- 1 edited
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branches/2012/dev_LOCEAN_UKMO_CMCC_INGV_2012/NEMOGCM/NEMO/OPA_SRC/SBC/sbcwave.F90
r3294 r3666 4 4 !! Wave module 5 5 !!====================================================================== 6 !! History : 3.3.1 ! 2011-09 (Adani M) Original code 6 !! History : 3.3.1 ! 2011-09 (Adani M) Original code: Drag Coefficient 7 !! : 3.4 ! 2012-10 (Adani M) Stokes Drift 7 8 !!---------------------------------------------------------------------- 8 9 USE iom ! I/O manager library … … 10 11 USE lib_mpp ! distribued memory computing library 11 12 USE fldread ! read input fields 13 USE oce 12 14 USE sbc_oce ! Surface boundary condition: ocean fields 15 USE domvvl 13 16 14 17 … … 22 25 PUBLIC sbc_wave ! routine called in sbc_blk_core or sbc_blk_mfs 23 26 24 TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_wave ! structure of input fields (file informations, fields read) 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 25 33 REAL(wp),PUBLIC,ALLOCATABLE,DIMENSION (:,:) :: cdn_wave 34 REAL(wp),ALLOCATABLE,DIMENSION (:,:) :: usd2d,vsd2d,uwavenum,vwavenum 35 REAL(wp),PUBLIC,ALLOCATABLE,DIMENSION (:,:,:) :: usd3d,vsd3d,wsd3d 26 36 37 !! * Substitutions 38 # include "domzgr_substitute.h90" 27 39 !!---------------------------------------------------------------------- 28 40 !! NEMO/OPA 4.0 , NEMO Consortium (2011) … … 40 52 !! ** Method : - Read namelist namsbc_wave 41 53 !! - Read Cd_n10 fields in netcdf files 54 !! - Read stokes drift 2d in netcdf files 55 !! - Read wave number in netcdf files 56 !! - Compute 3d stokes drift using monochromatic 42 57 !! ** action : 43 58 !! 44 59 !!--------------------------------------------------------------------- 45 INTEGER, INTENT( in ) :: kt ! ocean time step 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 46 67 INTEGER :: ierror ! return error code 47 CHARACTER(len=100) :: cn_dir_cdg ! Root directory for location of drag coefficient files 48 TYPE(FLD_N) :: sn_cdg ! informations about the fields to be read 68 INTEGER :: ifpr, jj,ji,jk 69 REAL(wp),DIMENSION(:,:,:),POINTER :: udummy,vdummy,hdivdummy,rotdummy 70 REAL :: z2dt,z1_2dt 71 TYPE(FLD_N), DIMENSION(jpfld) :: slf_i ! array of namelist informations on the fields to read 72 CHARACTER(len=100) :: cn_dir ! Root directory for location of drag coefficient files 73 TYPE(FLD_N) :: sn_cdg, sn_usd, sn_vsd, sn_wn ! informations about the fields to be read 49 74 !!--------------------------------------------------------------------- 50 NAMELIST/namsbc_wave/ sn_cdg, cn_dir _cdg75 NAMELIST/namsbc_wave/ sn_cdg, cn_dir, sn_usd, sn_vsd, sn_wn 51 76 !!--------------------------------------------------------------------- 52 77 … … 62 87 ! ! name ! (hours) ! name ! (T/F) ! (T/F) ! 'monthly' ! filename ! pairs ! 63 88 sn_cdg = FLD_N('cdg_wave' , 1 ,'drag_coeff', .true. , .false. , 'daily' , '' , '' ) 64 cn_dir_cdg = './' ! directory in which the Patm data are 89 sn_usd = FLD_N('sdw_wave' , 1 ,'u_sd2d', .true. , .false. , 'daily' , '' , '' ) 90 sn_vsd = FLD_N('sdw_wave' , 1 ,'v_sd2d', .true. , .false. , 'daily' , '' , '' ) 91 sn_wn = FLD_N( 'sdw_wave' , 1 ,'wave_num', .true. , .false. , 'daily' , '' , '' ) 92 cn_dir = './' ! directory in which the wave data are 65 93 66 94 … … 69 97 ! 70 98 71 ALLOCATE( sf_wave(1), STAT=ierror ) !* allocate and fill sf_wave with sn_cdg 72 IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'sbc_wave: unable to allocate sf_wave structure' ) 73 ! 74 CALL fld_fill( sf_wave, (/ sn_cdg /), cn_dir_cdg, 'sbc_wave', 'Wave module ', 'namsbc_wave' ) 75 ALLOCATE( sf_wave(1)%fnow(jpi,jpj,1) ) 76 IF( sn_cdg%ln_tint ) ALLOCATE( sf_wave(1)%fdta(jpi,jpj,1,2) ) 77 ALLOCATE( cdn_wave(jpi,jpj) ) 78 cdn_wave(:,:) = 0.0 99 IF ( ln_cdgw ) THEN 100 ALLOCATE( sf_cd(1), STAT=ierror ) !* allocate and fill sf_wave with sn_cdg 101 IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'sbc_wave: unable to allocate sf_wave structure' ) 102 ! 103 ALLOCATE( sf_cd(1)%fnow(jpi,jpj,1) ) 104 IF( sn_cdg%ln_tint ) ALLOCATE( sf_cd(1)%fdta(jpi,jpj,1,2) ) 105 CALL fld_fill( sf_cd, (/ sn_cdg /), cn_dir, 'sbc_wave', 'Wave module ', 'namsbc_wave' ) 106 ALLOCATE( cdn_wave(jpi,jpj) ) 107 cdn_wave(:,:) = 0.0 108 ENDIF 109 IF ( ln_sdw ) THEN 110 slf_i(jp_usd) = sn_usd ; slf_i(jp_vsd) = sn_vsd; slf_i(jp_wn) = sn_wn 111 ALLOCATE( sf_sd(3), STAT=ierror ) !* allocate and fill sf_wave with sn_cdg 112 IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'sbc_wave: unable to allocate sf_wave structure' ) 113 ! 114 DO ifpr= 1, jpfld 115 ALLOCATE( sf_sd(ifpr)%fnow(jpi,jpj,1) ) 116 IF( slf_i(ifpr)%ln_tint ) ALLOCATE( sf_sd(ifpr)%fdta(jpi,jpj,1,2) ) 117 END DO 118 CALL fld_fill( sf_sd, slf_i, cn_dir, 'sbc_wave', 'Wave module ', 'namsbc_wave' ) 119 ALLOCATE( usd2d(jpi,jpj),vsd2d(jpi,jpj),uwavenum(jpi,jpj),vwavenum(jpi,jpj) ) 120 ALLOCATE( usd3d(jpi,jpj,jpk),vsd3d(jpi,jpj,jpk),wsd3d(jpi,jpj,jpk) ) 121 usd2d(:,:) = 0.0 ; vsd2d(:,:) = 0.0 ; uwavenum(:,:) = 0.0 ; vwavenum(:,:) = 0.0 122 usd3d(:,:,:) = 0.0 ;vsd3d(:,:,:) = 0.0 ; wsd3d(:,:,:) = 0.0 123 ENDIF 79 124 ENDIF 80 125 ! 81 126 ! 82 CALL fld_read( kt, nn_fsbc, sf_wave ) !* read drag coefficient from external forcing 83 cdn_wave(:,:) = sf_wave(1)%fnow(:,:,1) 127 IF ( ln_cdgw ) THEN 128 CALL fld_read( kt, nn_fsbc, sf_cd ) !* read drag coefficient from external forcing 129 cdn_wave(:,:) = sf_cd(1)%fnow(:,:,1) 130 ENDIF 131 IF ( ln_sdw ) THEN 132 CALL fld_read( kt, nn_fsbc, sf_sd ) !* read drag coefficient from external forcing 84 133 134 ! Interpolate wavenumber, stokes drift into the grid_V and grid_V 135 !------------------------------------------------- 136 137 DO jj = 1, jpjm1 138 DO ji = 1, jpim1 139 uwavenum(ji,jj)=0.5 * ( 2. - umask(ji,jj,1) ) * ( sf_sd(3)%fnow(ji,jj,1) * tmask(ji,jj,1) & 140 & + sf_sd(3)%fnow(ji+1,jj,1) * tmask(ji+1,jj,1) ) 141 142 vwavenum(ji,jj)=0.5 * ( 2. - vmask(ji,jj,1) ) * ( sf_sd(3)%fnow(ji,jj,1) * tmask(ji,jj,1) & 143 & + sf_sd(3)%fnow(ji,jj+1,1) * tmask(ji,jj+1,1) ) 144 145 usd2d(ji,jj) = 0.5 * ( 2. - umask(ji,jj,1) ) * ( sf_sd(1)%fnow(ji,jj,1) * tmask(ji,jj,1) & 146 & + sf_sd(1)%fnow(ji+1,jj,1) * tmask(ji+1,jj,1) ) 147 148 vsd2d(ji,jj) = 0.5 * ( 2. - vmask(ji,jj,1) ) * ( sf_sd(2)%fnow(ji,jj,1) * tmask(ji,jj,1) & 149 & + sf_sd(2)%fnow(ji,jj+1,1) * tmask(ji,jj+1,1) ) 150 END DO 151 END DO 152 153 !Computation of the 3d Stokes Drift 154 DO jk = 1, jpk 155 DO jj = 1, jpj-1 156 DO ji = 1, jpi-1 157 usd3d(ji,jj,jk) = usd2d(ji,jj)*exp(2.0*uwavenum(ji,jj)*(-MIN( gdept(ji,jj,jk) , gdept(ji+1,jj ,jk)))) 158 vsd3d(ji,jj,jk) = vsd2d(ji,jj)*exp(2.0*vwavenum(ji,jj)*(-MIN( gdept(ji,jj,jk) , gdept(ji ,jj+1,jk)))) 159 END DO 160 END DO 161 usd3d(jpi,:,jk) = usd2d(jpi,:)*exp( 2.0*uwavenum(jpi,:)*(-gdept(jpi,:,jk)) ) 162 vsd3d(:,jpj,jk) = vsd2d(:,jpj)*exp( 2.0*vwavenum(:,jpj)*(-gdept(:,jpj,jk)) ) 163 END DO 164 165 CALL wrk_alloc( jpi,jpj,jpk,udummy,vdummy,hdivdummy,rotdummy) 166 167 udummy(:,:,:)=un(:,:,:) 168 vdummy(:,:,:)=vn(:,:,:) 169 hdivdummy(:,:,:)=hdivn(:,:,:) 170 rotdummy(:,:,:)=rotn(:,:,:) 171 un(:,:,:)=usd3d(:,:,:) 172 vn(:,:,:)=vsd3d(:,:,:) 173 CALL div_cur(kt) 174 ! !------------------------------! 175 ! ! Now Vertical Velocity ! 176 ! !------------------------------! 177 z2dt = 2._wp * rdt ! set time step size (Euler/Leapfrog) 178 179 z1_2dt = 1.e0 / z2dt 180 DO jk = jpkm1, 1, -1 ! integrate from the bottom the hor. divergence 181 ! - ML - need 3 lines here because replacement of fse3t by its expression yields too long lines otherwise 182 wsd3d(:,:,jk) = wsd3d(:,:,jk+1) - fse3t_n(:,:,jk) * hdivn(:,:,jk) & 183 & - ( fse3t_a(:,:,jk) - fse3t_b(:,:,jk) ) & 184 & * tmask(:,:,jk) * z1_2dt 185 #if defined key_bdy 186 wsd3d(:,:,jk) = wsd3d(:,:,jk) * bdytmask(:,:) 187 #endif 188 END DO 189 hdivn(:,:,:)=hdivdummy(:,:,:) 190 rotn(:,:,:)=rotdummy(:,:,:) 191 vn(:,:,:)=vdummy(:,:,:) 192 un(:,:,:)=udummy(:,:,:) 193 CALL wrk_dealloc( jpi,jpj,jpk,udummy,vdummy,hdivdummy,rotdummy) 194 ENDIF 85 195 END SUBROUTINE sbc_wave 86 196
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