- Timestamp:
- 2015-12-02T17:12:45+01:00 (8 years ago)
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- 1 edited
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branches/2015/dev_r5936_INGV1_WAVE/NEMOGCM/NEMO/OPA_SRC/SBC/sbcwave.F90
r5860 r5983 6 6 !! History : 3.3 ! 2011-09 (Adani M) Original code: Drag Coefficient 7 7 !! : 3.4 ! 2012-10 (Adani M) Stokes Drift 8 !! History : 3.6 !2014-09 (Clementi E, Oddo P)New Stokes Drift Computation 8 9 !!---------------------------------------------------------------------- 9 10 … … 12 13 !!---------------------------------------------------------------------- 13 14 USE oce ! 14 USE sbc_oce 15 USE sbc_oce ! Surface boundary condition: ocean fields 15 16 USE bdy_oce ! 16 17 USE domvvl ! … … 19 20 USE in_out_manager ! I/O manager 20 21 USE lib_mpp ! distribued memory computing library 21 USE fldread 22 USE fldread ! read input fields 22 23 USE wrk_nemo ! 24 USE phycst ! physical constants 23 25 24 26 IMPLICIT NONE … … 27 29 PUBLIC sbc_wave ! routine called in sbc_blk_core or sbc_blk_mfs 28 30 29 INTEGER , PARAMETER :: jpfld = 3 ! maximum number of files to read for srokes drift 30 INTEGER , PARAMETER :: jp_usd = 1 ! index of stokes drift (i-component) (m/s) at T-point 31 INTEGER , PARAMETER :: jp_vsd = 2 ! index of stokes drift (j-component) (m/s) at T-point 32 INTEGER , PARAMETER :: jp_wn = 3 ! index of wave number (1/m) at T-point 33 34 TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_cd ! structure of input fields (file informations, fields read) Drag Coefficient 35 TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_sd ! structure of input fields (file informations, fields read) Stokes Drift 36 37 REAL(wp), PUBLIC, ALLOCATABLE, DIMENSION (:,:) :: cdn_wave 38 REAL(wp), PUBLIC, ALLOCATABLE, DIMENSION (:,:,:) :: usd3d, vsd3d, wsd3d 39 REAL(wp), ALLOCATABLE, DIMENSION (:,:) :: usd2d, vsd2d, uwavenum, vwavenum 31 INTEGER , PARAMETER :: jpfld = 4 ! number of files to read for stokes drift 32 INTEGER , PARAMETER :: jp_usd = 1 ! index of stokes drift (i-component) (m/s) at T-point 33 INTEGER , PARAMETER :: jp_vsd = 2 ! index of stokes drift (j-component) (m/s) at T-point 34 INTEGER , PARAMETER :: jp_swh = 3 ! index of significant wave hight (m) at T-point 35 INTEGER , PARAMETER :: jp_wmp = 4 ! index of mean wave period (s) at T-point 36 ! 37 TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_cd ! structure of input fields (file informations, fields read) Drag Coefficient 38 TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_sd ! structure of input fields (file informations, fields read) Stokes Drift 39 TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_wn ! structure of input fields (file informations, fields read) wave number for Qiao 40 TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_tauoc ! structure of input fields (file informations, fields read) normalized wave stress into the ocean 41 REAL(wp),PUBLIC,ALLOCATABLE,DIMENSION (:,:) :: cdn_wave 42 REAL(wp),PUBLIC,ALLOCATABLE,DIMENSION (:,:) :: usd2d,vsd2d 43 REAL(wp),PUBLIC,ALLOCATABLE,DIMENSION (:,:) :: swh,wmp,wnum 44 REAL(wp),PUBLIC,ALLOCATABLE,DIMENSION (:,:) :: usd2dt,vsd2dt,tsd2d 45 REAL(wp),PUBLIC,ALLOCATABLE,DIMENSION (:,:,:) :: usd3d,vsd3d,wsd3d 46 REAL(wp),PUBLIC,ALLOCATABLE,DIMENSION (:,:) :: tauoc_wave 40 47 41 48 !! * Substitutions … … 58 65 !! - Read Cd_n10 fields in netcdf files 59 66 !! - Read stokes drift 2d in netcdf files 60 !! - Read wave number in netcdf files 61 !! - Compute 3d stokes drift using monochromatic 67 !! - Read wave number in netcdf files 68 !! - Compute 3d stokes drift using Breivik et al.,2014 69 !! formulation 62 70 !! ** action : 63 71 !!--------------------------------------------------------------------- 72 USE zdf_oce, ONLY : ln_zdfqiao 73 64 74 INTEGER, INTENT( in ) :: kt ! ocean time step 65 75 ! 66 76 INTEGER :: ierror ! return error code 67 77 INTEGER :: ifpr, jj,ji,jk 68 INTEGER :: ios ! Local integer output status for namelist read 78 INTEGER :: ios ! Local integer output status for namelist read 79 80 REAL(wp) :: ztransp,zsp0, zk, zus,zvs 81 REAL(wp), DIMENSION(jpi,jpj) :: zfac 82 69 83 TYPE(FLD_N), DIMENSION(jpfld) :: slf_i ! array of namelist informations on the fields to read 70 84 CHARACTER(len=100) :: cn_dir ! Root directory for location of drag coefficient files 71 TYPE(FLD_N) :: sn_cdg, sn_usd, sn_vsd, sn_wn ! informations about the fields to be read 85 TYPE(FLD_N) :: sn_cdg, sn_usd, sn_vsd, & 86 & sn_swh, sn_wmp, sn_wnum, sn_tauoc ! informations about the fields to be read 72 87 REAL(wp), DIMENSION(:,:,:), POINTER :: zusd_t, zvsd_t, ze3hdiv ! 3D workspace 73 88 !! 74 NAMELIST/namsbc_wave/ sn_cdg, cn_dir, sn_usd, sn_vsd, sn_ wn89 NAMELIST/namsbc_wave/ sn_cdg, cn_dir, sn_usd, sn_vsd, sn_swh, sn_wmp, sn_wnum, sn_tauoc 75 90 !!--------------------------------------------------------------------- 76 91 ! … … 97 112 cdn_wave(:,:) = 0.0 98 113 ENDIF 114 ! 115 IF ( ln_tauoc ) THEN 116 ALLOCATE( sf_tauoc(1), STAT=ierror ) !* allocate and fill sf_wave with sn_tauoc 117 IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'sbc_wave: unable to allocate sf_wave structure' ) 118 ! 119 ALLOCATE( sf_tauoc(1)%fnow(jpi,jpj,1) ) 120 IF( sn_cdg%ln_tint ) ALLOCATE( sf_tauoc(1)%fdta(jpi,jpj,1,2) ) 121 CALL fld_fill( sf_tauoc, (/ sn_tauoc /), cn_dir, 'sbc_wave', 'Wave module', 'namsbc_wave' ) 122 ALLOCATE( tauoc_wave(jpi,jpj) ) 123 tauoc_wave(:,:) = 0.0 124 ENDIF 125 ! 99 126 IF ( ln_sdw ) THEN 100 slf_i(jp_usd) = sn_usd ; slf_i(jp_vsd) = sn_vsd; slf_i(jp_wn) = sn_wn 101 ALLOCATE( sf_sd(3), STAT=ierror ) !* allocate and fill sf_wave with sn_cdg 127 slf_i(jp_usd) = sn_usd ; slf_i(jp_vsd) = sn_vsd; 128 slf_i(jp_swh) = sn_swh ; slf_i(jp_wmp) = sn_wmp; 129 ALLOCATE( sf_sd(jpfld), STAT=ierror ) !* allocate and fill sf_sd with stokes drift 102 130 IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'sbc_wave: unable to allocate sf_wave structure' ) 103 131 ! … … 106 134 IF( slf_i(ifpr)%ln_tint ) ALLOCATE( sf_sd(ifpr)%fdta(jpi,jpj,1,2) ) 107 135 END DO 136 ! 108 137 CALL fld_fill( sf_sd, slf_i, cn_dir, 'sbc_wave', 'Wave module ', 'namsbc_wave' ) 109 ALLOCATE( usd2d(jpi,jpj) , vsd2d(jpi,jpj) , uwavenum(jpi,jpj) , vwavenum(jpi,jpj))138 ALLOCATE( usd2d(jpi,jpj),vsd2d(jpi,jpj),usd2dt(jpi,jpj),vsd2dt(jpi,jpj)) 110 139 ALLOCATE( usd3d(jpi,jpj,jpk),vsd3d(jpi,jpj,jpk),wsd3d(jpi,jpj,jpk) ) 111 usd3d(:,:,:) = 0._wp ; usd2d(:,:) = 0._wp ; uwavenum(:,:) = 0._wp 112 vsd3d(:,:,:) = 0._wp ; vsd2d(:,:) = 0._wp ; vwavenum(:,:) = 0._wp 113 wsd3d(:,:,:) = 0._wp 140 ALLOCATE( swh(jpi,jpj), wmp(jpi,jpj) ) 141 usd3d(:,:,:) = 0._wp ; usd2d(:,:) = 0._wp ; usd2dt(:,:) = 0._wp ; 142 vsd3d(:,:,:) = 0._wp ; vsd2d(:,:) = 0._wp ; vsd2dt(:,:) = 0._wp ; 143 wsd3d(:,:,:) = 0._wp ; 144 swh (:,:) = 0._wp ; wmp (:,:) = 0._wp ; 145 IF ( ln_zdfqiao ) THEN !== Vertical mixing enhancement using Qiao,2010 ==! 146 ALLOCATE( sf_wn(1), STAT=ierror ) !* allocate and fill sf_wave with sn_wnum 147 IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'sbc_wave: unable toallocate sf_wave structure' ) 148 ALLOCATE( sf_wn(1)%fnow(jpi,jpj,1) ) 149 IF( sn_wnum%ln_tint ) ALLOCATE( sf_wn(1)%fdta(jpi,jpj,1,2) ) 150 CALL fld_fill( sf_wn, (/ sn_wnum /), cn_dir, 'sbc_wave', 'Wave module', 'namsbc_wave' ) 151 ALLOCATE( wnum(jpi,jpj),tsd2d(jpi,jpj) ) 152 wnum(:,:) = 0._wp ; tsd2d(:,:) = 0._wp 153 ENDIF 114 154 ENDIF 115 155 ENDIF … … 119 159 cdn_wave(:,:) = sf_cd(1)%fnow(:,:,1) 120 160 ENDIF 121 ! 122 IF ( ln_sdw ) THEN !== Computation of the 3d Stokes Drift ==! 123 ! 124 CALL fld_read( kt, nn_fsbc, sf_sd ) !* read drag coefficient from external forcing 125 ! 126 ! 127 CALL wrk_alloc( jpi,jpj,jpk, zusd_t, zvsd_t, ze3hdiv ) 128 ! !* distribute it on the vertical 129 DO jk = 1, jpkm1 130 zusd_t(:,:,jk) = sf_sd(jp_usd)%fnow(:,:,1) * EXP( -2._wp * sf_sd(jp_wn)%fnow(:,:,1) * fsdept_n(:,:,jk) ) 131 zvsd_t(:,:,jk) = sf_sd(jp_vsd)%fnow(:,:,1) * EXP( -2._wp * sf_sd(jp_wn)%fnow(:,:,1) * fsdept_n(:,:,jk) ) 132 END DO 133 ! !* interpolate the stokes drift from t-point to u- and v-points 134 DO jk = 1, jpkm1 135 DO jj = 1, jpjm1 136 DO ji = 1, jpim1 137 usd3d(ji,jj,jk) = 0.5_wp * ( zusd_t(ji ,jj,jk) + zusd_t(ji+1,jj,jk) ) * umask(ji,jj,jk) 138 vsd3d(ji,jj,jk) = 0.5_wp * ( zvsd_t(ji ,jj,jk) + zvsd_t(ji,jj+1,jk) ) * vmask(ji,jj,jk) 139 END DO 140 END DO 141 END DO 161 ! 162 IF ( ln_tauoc ) THEN !== Wave induced stress ==! 163 CALL fld_read( kt, nn_fsbc, sf_tauoc ) !* read wave norm stress from external forcing 164 tauoc_wave(:,:) = sf_tauoc(1)%fnow(:,:,1) 165 ENDIF 166 ! 167 IF ( ln_sdw ) THEN !== Computation of the 3d Stokes Drift ==! 168 ! 169 CALL fld_read( kt, nn_fsbc, sf_sd ) !* read wave parameters from external forcing 170 swh(:,:) = sf_sd(jp_swh)%fnow(:,:,1) ! significant wave height 171 wmp(:,:) = sf_sd(jp_wmp)%fnow(:,:,1) ! wave mean period 172 usd2dt(:,:) = sf_sd(jp_usd)%fnow(:,:,1) ! 2D zonal Stokes Drift 173 vsd2dt(:,:) = sf_sd(jp_vsd)%fnow(:,:,1) ! 2D meridional Stokes Drift 174 ! 175 !== Computation of the 3d Stokes Drift according to Breivik et al.,2014 176 !(DOI: 10.1175/JPO-D-14-0020.1)==! 177 ! 178 CALL wrk_alloc( jpi,jpj,jpk, ze3hdiv ) 179 DO jk = 1, jpk 180 DO jj = 1, jpj 181 DO ji = 1, jpi 182 ! On T grid 183 ! Stokes transport speed estimated from Hs and Tmean 184 ztransp = 2.0_wp*rpi*swh(ji,jj)**2.0_wp/(16.0_wp*MAX(wmp(ji,jj),0.0000001_wp)) 185 ! Stokes surface speed 186 zsp0 = SQRT( sf_sd(jp_usd)%fnow(ji,jj,1)**2 + sf_sd(jp_vsd)%fnow(ji,jj,1)**2) 187 ! Wavenumber scale 188 zk = ABS(zsp0)/MAX(ABS(5.97_wp*ztransp),0.0000001_wp) 189 ! Depth attenuation 190 zfac(ji,jj) = EXP(-2.0_wp*zk*fsdept(ji,jj,jk))/(1.0_wp+8.0_wp*zk*fsdept(ji,jj,jk)) 191 END DO 192 END DO 193 ! 194 DO jj = 1, jpjm1 195 DO ji = 1, jpim1 196 ! Into the U and V Grid 197 zus = 0.5 * ( 2. - umask(ji,jj,1) ) * ( zfac(ji,jj) * tmask(ji,jj,1) & 198 & + zfac(ji+1,jj) * tmask(ji+1,jj,1) ) 199 ! 200 zvs = 0.5 * ( 2. - vmask(ji,jj,1) ) * ( zfac(ji,jj) * tmask(ji,jj,1) & 201 & + zfac(ji,jj+1) * tmask(ji,jj+1,1) ) 202 ! 203 usd2d(ji,jj) = 0.5 * ( 2. - umask(ji,jj,1) ) * ( usd2dt(ji,jj) * tmask(ji,jj,1) & 204 & + usd2dt(ji+1,jj) * tmask(ji+1,jj,1) ) 205 ! 206 vsd2d(ji,jj) = 0.5 * ( 2. - vmask(ji,jj,1) ) * ( vsd2dt(ji,jj) * tmask(ji,jj,1) & 207 & + vsd2dt(ji,jj+1) * tmask(ji,jj+1,1) ) 208 ! 209 usd3d(ji,jj,jk) = usd2d(ji,jj)*zus 210 vsd3d(ji,jj,jk) = vsd2d(ji,jj)*zvs 211 END DO 212 END DO 213 END DO 214 ! 142 215 CALL lbc_lnk( usd3d(:,:,:), 'U', -1. ) 143 216 CALL lbc_lnk( vsd3d(:,:,:), 'V', -1. ) … … 171 244 ENDIF 172 245 #endif 173 CALL wrk_dealloc( jpi,jpj,jpk, zusd_t, zvsd_t, ze3hdiv ) 174 ! 246 ! CALL wrk_dealloc( jpi,jpj,jpk, zusd_t, zvsd_t, ze3hdiv ) 247 CALL wrk_dealloc( jpi,jpj,jpk, ze3hdiv ) 248 ! 249 IF ( ln_zdfqiao ) THEN 250 wnum(:,:) = sf_wn(1)%fnow(:,:,1) 251 ! Calculate the module of the stokes drift on T grid 252 !------------------------------------------------- 253 DO jj = 1, jpj 254 DO ji = 1, jpi 255 tsd2d(ji,jj) = ((sf_sd(jp_usd)%fnow(ji,jj,1) * tmask(ji,jj,1))**2.0 + & 256 & (sf_sd(jp_vsd)%fnow(ji,jj,1) * tmask(ji,jj,1))**2.0)**0.5 257 END DO 258 END DO 259 ENDIF 260 ! 175 261 ENDIF 176 262 !
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