- Timestamp:
- 2017-03-17T10:44:05+01:00 (7 years ago)
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branches/UKMO/r6232_HZG_WAVE/NEMOGCM/NEMO/OPA_SRC/SBC/sbcwave.F90
r5215 r7807 4 4 !! Wave module 5 5 !!====================================================================== 6 !! History : 3.3.1 ! 2011-09 (Adani M) Original code: Drag Coefficient 7 !! : 3.4 ! 2012-10 (Adani M) Stokes Drift 6 !! History : 3.3.1 ! 2011-09 (Adani M) Original code 8 7 !!---------------------------------------------------------------------- 9 8 USE iom ! I/O manager library 10 9 USE in_out_manager ! I/O manager 11 10 USE lib_mpp ! distribued memory computing library 12 USE fldread ! read input fields 13 USE oce 14 USE sbc_oce ! Surface boundary condition: ocean fields 15 USE domvvl 16 17 11 USE fldread ! read input fields 12 USE sbc_oce ! Surface boundary condition: ocean fields 13 USE phycst ! physical constants 14 ! USE sbcblk_core, ONLY: Cd_n10 18 15 !!---------------------------------------------------------------------- 19 16 !! sbc_wave : read drag coefficient from wave model in netcdf files … … 23 20 PRIVATE 24 21 25 PUBLIC sbc_wave ! routine called in sbc_blk_core or sbc_blk_mfs 26 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 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 22 PUBLIC sbc_wavepar ! routine called in sbc_blk_core or sbc_blk_mfs 23 PUBLIC sbc_wave ! routine called in sbc_blk_core or sbc_blk_mfs 24 25 INTEGER , PARAMETER :: jpfld_wavepar = 7 ! maximum number of fields to be read 26 INTEGER , PARAMETER :: jp_ust = 1 ! index of Stokes velocity (east component) (m/s) at T-point 27 INTEGER , PARAMETER :: jp_vst = 2 ! index of Stokes velocity (north component) (m/s) at T-point 28 INTEGER , PARAMETER :: jp_swh = 3 ! index of significant wave height (m) 29 INTEGER , PARAMETER :: jp_mwp = 4 ! index of mean wave period (s) 30 INTEGER , PARAMETER :: jp_phioc = 5 ! index of normalized energy flux into the ocean (non-dim) 31 INTEGER , PARAMETER :: jp_tauoc = 6 ! index of normalized wave stress into the ocean (non-dim) 32 !INTEGER , PARAMETER :: jp_cdww = 7 ! index of wave drag coeff (non-dim) 33 INTEGER , PARAMETER :: jp_wspd = 7 ! index of 10 m neutral wind speed (m/s) 34 35 TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_wave ! structure of input fields (file informations, fields read) 36 !REAL(wp),PUBLIC,ALLOCATABLE,DIMENSION (:,:) :: cdn_wave ! CCC moved to sbc_oce 37 TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_wavepar ! structure of input fields (file informations, fields read) 38 REAL(wp),PUBLIC,ALLOCATABLE,DIMENSION (:,:) :: ust_wavepar, vst_wavepar, swh_wavepar, mwp_wavepar 39 REAL(wp),PUBLIC,ALLOCATABLE,DIMENSION (:,:) :: phioc_wavepar !WAVE2NEMO 14.12.2016 moved rn_crban to sbc_oce 40 !REAL(wp),PUBLIC,ALLOCATABLE,DIMENSION (:,:) :: tauoc_wavepar ! CCC moved to sbc_oce 41 !REAL(wp),PUBLIC,ALLOCATABLE,DIMENSION (:,:) :: wspd_wavepar ! CCC moved to sbc_oce 42 !REAL(wp),PUBLIC,ALLOCATABLE,DIMENSION (:,:) :: cdww_wavepar 36 43 37 44 !! * Substitutions 38 45 # include "domzgr_substitute.h90" 46 # include "vectopt_loop_substitute.h90" 39 47 !!---------------------------------------------------------------------- 40 48 !! NEMO/OPA 4.0 , NEMO Consortium (2011) … … 51 59 !! 52 60 !! ** Method : - Read namelist namsbc_wave 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 57 !! ** action : 58 !! 59 !!--------------------------------------------------------------------- 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 61 !! - Read Cd_n10 fields in netcdf files 62 !! ** action : 63 !! 64 !!--------------------------------------------------------------------- 65 INTEGER, INTENT( in ) :: kt ! ocean time step 67 66 INTEGER :: ierror ! return error code 68 INTEGER :: ifpr, jj,ji,jk 69 INTEGER :: ios ! Local integer output status for namelist read 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 75 !!--------------------------------------------------------------------- 76 NAMELIST/namsbc_wave/ sn_cdg, cn_dir, sn_usd, sn_vsd, sn_wn 67 CHARACTER(len=100) :: cn_dir_cdg ! Rootdirectory for location of drag coefficient files 68 TYPE(FLD_N) :: sn_cdg ! informationsabout the fields to be read 69 !!--------------------------------------------------------------------- 70 NAMELIST/namsbc_wave/ sn_cdg, cn_dir_cdg 77 71 !!--------------------------------------------------------------------- 78 72 … … 83 77 IF( kt == nit000 ) THEN ! First call kt=nit000 ! 84 78 ! ! -------------------- ! 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 ) 88 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 ) 92 IF(lwm) WRITE ( numond, namsbc_wave ) 93 ! 94 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 79 ! !* set file information 80 ! (default values) 81 ! ... default values (NB: frequency positive => hours, negative => 82 ! months) 83 ! ! file ! frequency ! variable ! time intep ! clim 84 ! ! 'yearly' or ! weights ! rotation ! 85 ! ! name ! (hours) ! name ! (T/F) ! 86 ! (T/F) ! 'monthly' ! filename ! pairs ! 87 sn_cdg = FLD_N('cdg_wave' , 1 ,'drag_coeff', .true. ,.false. , 'daily' , '' , '','' ) 88 cn_dir_cdg = './' ! directory in which the Patm data are 89 90 91 REWIND( numnam_ref ) !* read in namlist namsbc_wave 92 READ ( numnam_ref, namsbc_wave ) 93 REWIND( numnam_ref ) 94 REWIND( numnam_cfg ) !* read in namlist namsbc_wave 95 READ ( numnam_cfg, namsbc_wave ) 96 REWIND( numnam_cfg ) 97 ! 98 99 ALLOCATE( sf_wave(1), STAT=ierror ) !* allocate and fillsf_wave with sn_cdg 100 IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'sbc_wave: unable to allocatesf_wave structure' ) 101 ! 102 CALL fld_fill( sf_wave, (/ sn_cdg /), cn_dir_cdg, 'sbc_wave', 'Wavemodule ', 'namsbc_wave' ) 103 ALLOCATE( sf_wave(1)%fnow(jpi,jpj,1) ) 104 IF( sn_cdg%ln_tint ) ALLOCATE( sf_wave(1)%fdta(jpi,jpj,1,2) ) 105 !ALLOCATE( cdn_wave(jpi,jpj) ) 106 ! Allocation done by sbc_oce 107 cdn_wave(:,:) = 0.0 108 ENDIF 109 ! 110 ! 111 CALL fld_read( kt, nn_fsbc, sf_wave ) !* read drag coefficient fromexternal forcing 112 cdn_wave(:,:) = sf_wave(1)%fnow(:,:,1) 113 END SUBROUTINE sbc_wave 114 115 116 SUBROUTINE sbc_wavepar( kt ) 117 !!--------------------------------------------------------------------- 118 !! *** ROUTINE sbc_wavepar *** 119 !! 120 !! ** Purpose : Provide at each time step wave model parameters, including the 121 !! Stokes drift (east and north components), significant wave height and the 122 !! mean wave period as well as the normalized stress and energy flux into the 123 !! ocean for TKE. 124 !! 125 !! 126 !! ** Method : - Read namelist namsbc_wavepar 127 !! - Read fields in NetCDF files 128 !! ** action : 129 !! 130 !!--------------------------------------------------------------------- 131 INTEGER, INTENT( in ) :: kt ! ocean time step 132 !! 133 INTEGER :: ierror ! return error code 134 INTEGER :: ji,iii,jjj ! dummy loop index, Victor added iii, jjj 135 INTEGER :: jfld ! dummy loop arguments 136 !! 137 CHARACTER(len=100) :: cn_dir_wavepar ! Root directory for location of ECWAM wave parameter fields 138 TYPE(FLD_N), DIMENSION(jpfld_wavepar) :: slf_i ! array of namelist informations on the fields to read 139 TYPE(FLD_N) :: sn_ust, sn_vst, sn_swh, sn_mwp ! information about the fields to be read 140 TYPE(FLD_N) :: sn_phioc, sn_tauoc 141 TYPE(FLD_N) :: sn_wspd 142 !TYPE(FLD_N) :: sn_cdww 143 !!--------------------------------------------------------------------- 144 !NAMELIST/namsbc_wavepar/ sn_ust, sn_vst, sn_swh, sn_mwp, sn_phioc, sn_tauoc, cn_dir_wavepar 145 NAMELIST/namsbc_wavepar/ sn_ust, sn_vst, sn_swh, sn_mwp, sn_wspd, sn_phioc, sn_tauoc, cn_dir_wavepar 146 !!--------------------------------------------------------------------- 147 148 !!---------------------------------------------------------------------- 149 ! 150 ! 151 ! ! -------------------- ! 152 IF( kt == nit000 ) THEN ! First call kt=nit000 ! 153 ! ! -------------------- ! 154 ! set file information (default values) 155 ! ... default values (NB: frequency positive => hours, negative => months) 156 ! ! file ! frequency ! variable ! time intep ! clim ! 'yearly' or ! weights ! rotation ! 157 ! ! name ! (hours) ! name ! (T/F) ! (T/F) ! 'monthly' ! filename ! pairs ! 158 sn_ust = FLD_N( 'ust' , 6 , 'ust' , .true. , .false. , 'monthly' , '' , '' ,'' ) 159 sn_vst = FLD_N( 'vst' , 6 , 'vst' , .true. , .false. , 'monthly' , '' , '' ,'' ) 160 sn_swh = FLD_N( 'swh' , 6 , 'swh' , .true. , .false. , 'monthly' , '' , '' ,'' ) 161 sn_mwp = FLD_N( 'mwp' , 6 , 'mwp' , .true. , .false. , 'monthly' , '' , '' ,'' ) 162 !sn_cdww = FLD_N( 'cdww' , 6 , 'cdww' , .true. , .false. , 'monthly' , '' , '' ) 163 sn_wspd = FLD_N( 'wspd' , 6 , 'wspd' , .true. , .false. , 'monthly' , '' , '','' ) 164 sn_phioc = FLD_N( 'phioc' , 6 , 'phioc' , .true. , .false. , 'monthly' , '' , '','' ) 165 sn_tauoc = FLD_N( 'tauoc' , 6 , 'tauoc' , .true. , .false. , 'monthly' , '' , '','' ) 166 cn_dir_wavepar = './' ! directory in which the wave data are found 167 168 REWIND( numnam_ref ) !* read in namlist namsbc_wave 169 READ ( numnam_ref, namsbc_wavepar ) 170 REWIND ( numnam_ref ) 171 172 REWIND( numnam_cfg ) !* read in namlist namsbc_wave 173 READ ( numnam_cfg, namsbc_wavepar ) 174 REWIND ( numnam_cfg ) 175 ! 176 177 178 slf_i(jp_ust) = sn_ust 179 slf_i(jp_vst) = sn_vst 180 slf_i(jp_swh) = sn_swh 181 slf_i(jp_mwp) = sn_mwp 182 !slf_i(jp_cdww) = sn_cdww 183 slf_i(jp_wspd) = sn_wspd 184 slf_i(jp_phioc) = sn_phioc 185 slf_i(jp_tauoc) = sn_tauoc 186 187 ALLOCATE( sf_wavepar(jpfld_wavepar), STAT=ierror ) !* set sf_wavepar structure 188 IF ( ierror > 0 ) THEN 189 CALL ctl_stop( 'STOP', 'sbc_wavepar: unable to allocate sf_wavepar structure' ) ; RETURN 119 190 ENDIF 191 ! 192 jfld = jpfld_wavepar 193 DO ji = 1, jpfld_wavepar 194 ALLOCATE( sf_wavepar(ji)%fnow(jpi,jpj,1) ) 195 IF ( slf_i(ji)%ln_tint ) ALLOCATE( sf_wavepar(ji)%fdta(jpi,jpj,1,2) ) 196 ENDDO 197 ALLOCATE( ust_wavepar(jpi,jpj) ) 198 ALLOCATE( vst_wavepar(jpi,jpj) ) 199 ALLOCATE( swh_wavepar(jpi,jpj) ) 200 ALLOCATE( mwp_wavepar(jpi,jpj) ) 201 !ALLOCATE( cdww_wavepar(jpi,jpj) ) 202 !ALLOCATE( wspd_wavepar(jpi,jpj) ) 203 ALLOCATE( phioc_wavepar(jpi,jpj) ) 204 ALLOCATE( tauoc_wavepar(jpi,jpj) ) 205 ! 206 CALL fld_fill( sf_wavepar, slf_i, cn_dir_wavepar, 'sbc_wavepar', 'Wave module ', 'namsbc_wavepar' ) 207 ! 120 208 ENDIF 121 209 ! 122 ! 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 129 130 ! 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-1 153 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)))) 155 END DO 156 END DO 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)) ) 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 191 END SUBROUTINE sbc_wave 210 CALL fld_read( kt, nn_fsbc, sf_wavepar ) !* read wave parameters from ECWAM NetCDF file 211 ust_wavepar(:,:) = sf_wavepar(jp_ust)%fnow(:,:,1) 212 vst_wavepar(:,:) = sf_wavepar(jp_vst)%fnow(:,:,1) 213 swh_wavepar(:,:) = sf_wavepar(jp_swh)%fnow(:,:,1) 214 mwp_wavepar(:,:) = sf_wavepar(jp_mwp)%fnow(:,:,1) 215 !cdww_wavepar(:,:) = sf_wavepar(jp_cdww)%fnow(:,:,1) 216 wspd_wavepar(:,:) = sf_wavepar(jp_wspd)%fnow(:,:,1) 217 phioc_wavepar(:,:) = sf_wavepar(jp_phioc)%fnow(:,:,1) 218 tauoc_wavepar(:,:) = sf_wavepar(jp_tauoc)%fnow(:,:,1) 219 220 221 rn_crban(:,:)=29*phioc_wavepar(:,:) ! Alfa is phioc*sqrt(rw/ra)sbc_wa 222 ! Limit cr_ban between 10 and 300 223 DO iii=1,jpi 224 DO jjj=1,jpj 225 226 IF (rn_crban(iii,jjj) < 10 ) THEN 227 rn_crban(iii,jjj)=10 228 ELSEIF (rn_crban(iii,jjj) > 300) THEN 229 rn_crban(iii,jjj)=300 230 ENDIF 231 232 ENDDO 233 ENDDO 234 235 END SUBROUTINE sbc_wavepar 192 236 193 !!====================================================================== 237 194 238 END MODULE sbcwave
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