Changeset 7646 for trunk/NEMOGCM/NEMO/OPA_SRC/SBC/sbcwave.F90
- Timestamp:
- 2017-02-06T10:25:03+01:00 (7 years ago)
- File:
-
- 1 edited
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trunk/NEMOGCM/NEMO/OPA_SRC/SBC/sbcwave.F90
r6140 r7646 4 4 !! Wave module 5 5 !!====================================================================== 6 !! History : 3.3 ! 2011-09 (Adani M) Original code: Drag Coefficient 7 !! : 3.4 ! 2012-10 (Adani M) Stokes Drift 8 !!---------------------------------------------------------------------- 9 10 !!---------------------------------------------------------------------- 11 !! sbc_wave : read drag coefficient from wave model in netcdf files 12 !!---------------------------------------------------------------------- 13 USE oce ! 6 !! History : 3.3 ! 2011-09 (M. Adani) Original code: Drag Coefficient 7 !! : 3.4 ! 2012-10 (M. Adani) Stokes Drift 8 !! 3.6 ! 2014-09 (E. Clementi,P. Oddo) New Stokes Drift Computation 9 !! - ! 2016-12 (G. Madec, E. Clementi) update Stoke drift computation 10 !! + add sbc_wave_ini routine 11 !!---------------------------------------------------------------------- 12 13 !!---------------------------------------------------------------------- 14 !! sbc_stokes : calculate 3D Stokes-drift velocities 15 !! sbc_wave : wave data from wave model in netcdf files 16 !! sbc_wave_init : initialisation fo surface waves 17 !!---------------------------------------------------------------------- 18 USE phycst ! physical constants 19 USE oce ! ocean variables 14 20 USE sbc_oce ! Surface boundary condition: ocean fields 15 USE bdy_oce ! 16 USE domvvl ! 21 USE zdf_oce, ONLY : ln_zdfqiao 22 USE bdy_oce ! open boundary condition variables 23 USE domvvl ! domain: variable volume layers 17 24 ! 18 25 USE iom ! I/O manager library … … 25 32 PRIVATE 26 33 27 PUBLIC sbc_wave ! routine called in sbc_blk_core or sbc_blk_mfs 34 PUBLIC sbc_stokes ! routine called in sbccpl 35 PUBLIC sbc_wave ! routine called in sbcmod 36 PUBLIC sbc_wave_init ! routine called in sbcmod 28 37 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 38 ! Variables checking if the wave parameters are coupled (if not, they are read from file) 39 LOGICAL, PUBLIC :: cpl_hsig = .FALSE. 40 LOGICAL, PUBLIC :: cpl_phioc = .FALSE. 41 LOGICAL, PUBLIC :: cpl_sdrftx = .FALSE. 42 LOGICAL, PUBLIC :: cpl_sdrfty = .FALSE. 43 LOGICAL, PUBLIC :: cpl_wper = .FALSE. 44 LOGICAL, PUBLIC :: cpl_wnum = .FALSE. 45 LOGICAL, PUBLIC :: cpl_wstrf = .FALSE. 46 LOGICAL, PUBLIC :: cpl_wdrag = .FALSE. 47 48 INTEGER :: jpfld ! number of files to read for stokes drift 49 INTEGER :: jp_usd ! index of stokes drift (i-component) (m/s) at T-point 50 INTEGER :: jp_vsd ! index of stokes drift (j-component) (m/s) at T-point 51 INTEGER :: jp_hsw ! index of significant wave hight (m) at T-point 52 INTEGER :: jp_wmp ! index of mean wave period (s) at T-point 53 54 TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_cd ! structure of input fields (file informations, fields read) Drag Coefficient 55 TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_sd ! structure of input fields (file informations, fields read) Stokes Drift 56 TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_wn ! structure of input fields (file informations, fields read) wave number for Qiao 57 TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_tauoc ! structure of input fields (file informations, fields read) normalized wave stress into the ocean 58 REAL(wp), PUBLIC, ALLOCATABLE, DIMENSION(:,:) :: cdn_wave !: 59 REAL(wp), PUBLIC, ALLOCATABLE, DIMENSION(:,:) :: hsw, wmp, wnum !: 60 REAL(wp), PUBLIC, ALLOCATABLE, DIMENSION(:,:) :: tauoc_wave !: 61 REAL(wp), PUBLIC, ALLOCATABLE, DIMENSION(:,:) :: tsd2d !: 62 REAL(wp), PUBLIC, ALLOCATABLE, DIMENSION(:,:) :: div_sd !: barotropic stokes drift divergence 63 REAL(wp), PUBLIC, ALLOCATABLE, DIMENSION(:,:) :: ut0sd, vt0sd !: surface Stokes drift velocities at t-point 64 REAL(wp), PUBLIC, ALLOCATABLE, DIMENSION(:,:,:) :: usd , vsd , wsd !: Stokes drift velocities at u-, v- & w-points, resp. 40 65 41 66 !! * Substitutions … … 48 73 CONTAINS 49 74 75 SUBROUTINE sbc_stokes( ) 76 !!--------------------------------------------------------------------- 77 !! *** ROUTINE sbc_stokes *** 78 !! 79 !! ** Purpose : compute the 3d Stokes Drift according to Breivik et al., 80 !! 2014 (DOI: 10.1175/JPO-D-14-0020.1) 81 !! 82 !! ** Method : - Calculate Stokes transport speed 83 !! - Calculate horizontal divergence 84 !! - Integrate the horizontal divergenze from the bottom 85 !! ** action 86 !!--------------------------------------------------------------------- 87 INTEGER :: jj, ji, jk ! dummy loop argument 88 INTEGER :: ik ! local integer 89 REAL(wp) :: ztransp, zfac, ztemp, zsp0 90 REAL(wp) :: zdep_u, zdep_v, zkh_u, zkh_v, zda_u, zda_v 91 REAL(wp), DIMENSION(:,:) , POINTER :: zk_t, zk_u, zk_v, zu0_sd, zv0_sd ! 2D workspace 92 REAL(wp), DIMENSION(:,:,:), POINTER :: ze3divh ! 3D workspace 93 !!--------------------------------------------------------------------- 94 ! 95 CALL wrk_alloc( jpi,jpj,jpk, ze3divh ) 96 CALL wrk_alloc( jpi,jpj, zk_t, zk_u, zk_v, zu0_sd, zv0_sd ) 97 ! 98 ! 99 zfac = 2.0_wp * rpi / 16.0_wp 100 DO jj = 1, jpj ! exp. wave number at t-point (Eq. (19) in Breivick et al. (2014) ) 101 DO ji = 1, jpi 102 ! Stokes drift velocity estimated from Hs and Tmean 103 ztransp = zfac * hsw(ji,jj)*hsw(ji,jj) / MAX( wmp(ji,jj) , 0.0000001_wp ) 104 ! Stokes surface speed 105 zsp0 = SQRT( ut0sd(ji,jj)*ut0sd(ji,jj) + vt0sd(ji,jj)*vt0sd(ji,jj) ) 106 tsd2d(ji,jj) = zsp0 107 ! Wavenumber scale 108 zk_t(ji,jj) = ABS( zsp0 ) / MAX( ABS( 5.97_wp*ztransp ) , 0.0000001_wp ) 109 END DO 110 END DO 111 DO jj = 1, jpjm1 ! exp. wave number & Stokes drift velocity at u- & v-points 112 DO ji = 1, jpim1 113 zk_u(ji,jj) = 0.5_wp * ( zk_t(ji,jj) + zk_t(ji+1,jj) ) 114 zk_v(ji,jj) = 0.5_wp * ( zk_t(ji,jj) + zk_t(ji,jj+1) ) 115 ! 116 zu0_sd(ji,jj) = 0.5_wp * ( ut0sd(ji,jj) + ut0sd(ji+1,jj) ) 117 zv0_sd(ji,jj) = 0.5_wp * ( vt0sd(ji,jj) + vt0sd(ji,jj+1) ) 118 END DO 119 END DO 120 ! 121 ! !== horizontal Stokes Drift 3D velocity ==! 122 DO jk = 1, jpkm1 123 DO jj = 2, jpjm1 124 DO ji = 2, jpim1 125 zdep_u = 0.5_wp * ( gdept_n(ji,jj,jk) + gdept_n(ji+1,jj,jk) ) 126 zdep_v = 0.5_wp * ( gdept_n(ji,jj,jk) + gdept_n(ji,jj+1,jk) ) 127 ! 128 zkh_u = zk_u(ji,jj) * zdep_u ! k * depth 129 zkh_v = zk_v(ji,jj) * zdep_v 130 ! ! Depth attenuation 131 zda_u = EXP( -2.0_wp*zkh_u ) / ( 1.0_wp + 8.0_wp*zkh_u ) 132 zda_v = EXP( -2.0_wp*zkh_v ) / ( 1.0_wp + 8.0_wp*zkh_v ) 133 ! 134 usd(ji,jj,jk) = zda_u * zk_u(ji,jj) * umask(ji,jj,jk) 135 vsd(ji,jj,jk) = zda_v * zk_v(ji,jj) * vmask(ji,jj,jk) 136 END DO 137 END DO 138 END DO 139 CALL lbc_lnk( usd(:,:,:), 'U', vsd(:,:,:), 'V', -1. ) 140 ! 141 ! !== vertical Stokes Drift 3D velocity ==! 142 ! 143 DO jk = 1, jpkm1 ! Horizontal e3*divergence 144 DO jj = 2, jpj 145 DO ji = fs_2, jpi 146 ze3divh(ji,jj,jk) = ( e2u(ji ,jj) * e3u_n(ji ,jj,jk) * usd(ji ,jj,jk) & 147 & - e2u(ji-1,jj) * e3u_n(ji-1,jj,jk) * usd(ji-1,jj,jk) & 148 & + e1v(ji,jj ) * e3v_n(ji,jj ,jk) * vsd(ji,jj ,jk) & 149 & - e1v(ji,jj-1) * e3v_n(ji,jj-1,jk) * vsd(ji,jj-1,jk) ) * r1_e1e2t(ji,jj) 150 END DO 151 END DO 152 END DO 153 ! 154 IF( .NOT. AGRIF_Root() ) THEN 155 IF( nbondi == 1 .OR. nbondi == 2 ) ze3divh(nlci-1, : ,:) = 0._wp ! east 156 IF( nbondi == -1 .OR. nbondi == 2 ) ze3divh( 2 , : ,:) = 0._wp ! west 157 IF( nbondj == 1 .OR. nbondj == 2 ) ze3divh( : ,nlcj-1,:) = 0._wp ! north 158 IF( nbondj == -1 .OR. nbondj == 2 ) ze3divh( : , 2 ,:) = 0._wp ! south 159 ENDIF 160 ! 161 CALL lbc_lnk( ze3divh, 'T', 1. ) 162 ! 163 IF( ln_linssh ) THEN ; ik = 1 ! none zero velocity through the sea surface 164 ELSE ; ik = 2 ! w=0 at the surface (set one for all in sbc_wave_init) 165 ENDIF 166 DO jk = jpkm1, ik, -1 ! integrate from the bottom the hor. divergence (NB: at k=jpk w is always zero) 167 wsd(:,:,jk) = wsd(:,:,jk+1) - ze3divh(:,:,jk) 168 END DO 169 ! 170 IF( ln_bdy ) THEN 171 DO jk = 1, jpkm1 172 wsd(:,:,jk) = wsd(:,:,jk) * bdytmask(:,:) 173 END DO 174 ENDIF 175 ! !== Horizontal divergence of barotropic Stokes transport ==! 176 div_sd(:,:) = 0._wp 177 DO jk = 1, jpkm1 ! 178 div_sd(:,:) = div_sd(:,:) + ze3divh(:,:,jk) 179 END DO 180 ! 181 CALL iom_put( "ustokes", usd ) 182 CALL iom_put( "vstokes", vsd ) 183 CALL iom_put( "wstokes", wsd ) 184 ! 185 CALL wrk_dealloc( jpi,jpj,jpk, ze3divh ) 186 CALL wrk_dealloc( jpi,jpj, zk_t, zk_u, zk_v, zu0_sd, zv0_sd ) 187 ! 188 END SUBROUTINE sbc_stokes 189 190 50 191 SUBROUTINE sbc_wave( kt ) 51 192 !!--------------------------------------------------------------------- 52 !! *** ROUTINE sbc_ apr***53 !! 54 !! ** Purpose : read drag coefficientfrom wave model in netcdf files.193 !! *** ROUTINE sbc_wave *** 194 !! 195 !! ** Purpose : read wave parameters from wave model in netcdf files. 55 196 !! 56 197 !! ** Method : - Read namelist namsbc_wave 57 198 !! - Read Cd_n10 fields in netcdf files 58 199 !! - Read stokes drift 2d in netcdf files 59 !! - Read wave number in netcdf files 60 !! - Compute 3d stokes drift using monochromatic 61 !! ** action : 62 !!--------------------------------------------------------------------- 63 INTEGER, INTENT( in ) :: kt ! ocean time step 64 ! 65 INTEGER :: ierror ! return error code 66 INTEGER :: ifpr, jj,ji,jk 67 INTEGER :: ios ! Local integer output status for namelist read 68 TYPE(FLD_N), DIMENSION(jpfld) :: slf_i ! array of namelist informations on the fields to read 200 !! - Read wave number in netcdf files 201 !! - Compute 3d stokes drift using Breivik et al.,2014 202 !! formulation 203 !! ** action 204 !!--------------------------------------------------------------------- 205 INTEGER, INTENT(in ) :: kt ! ocean time step 206 !!--------------------------------------------------------------------- 207 ! 208 IF( ln_cdgw .AND. .NOT. cpl_wdrag ) THEN !== Neutral drag coefficient ==! 209 CALL fld_read( kt, nn_fsbc, sf_cd ) ! read from external forcing 210 cdn_wave(:,:) = sf_cd(1)%fnow(:,:,1) 211 ENDIF 212 213 IF( ln_tauoc .AND. .NOT. cpl_wstrf ) THEN !== Wave induced stress ==! 214 CALL fld_read( kt, nn_fsbc, sf_tauoc ) ! read wave norm stress from external forcing 215 tauoc_wave(:,:) = sf_tauoc(1)%fnow(:,:,1) 216 ENDIF 217 218 IF( ln_sdw ) THEN !== Computation of the 3d Stokes Drift ==! 219 ! 220 IF( jpfld > 0 ) THEN ! Read from file only if the field is not coupled 221 CALL fld_read( kt, nn_fsbc, sf_sd ) ! read wave parameters from external forcing 222 IF( jp_hsw > 0 ) hsw (:,:) = sf_sd(jp_hsw)%fnow(:,:,1) ! significant wave height 223 IF( jp_wmp > 0 ) wmp (:,:) = sf_sd(jp_wmp)%fnow(:,:,1) ! wave mean period 224 IF( jp_usd > 0 ) ut0sd(:,:) = sf_sd(jp_usd)%fnow(:,:,1) ! 2D zonal Stokes Drift at T point 225 IF( jp_vsd > 0 ) vt0sd(:,:) = sf_sd(jp_vsd)%fnow(:,:,1) ! 2D meridional Stokes Drift at T point 226 ENDIF 227 ! 228 ! Read also wave number if needed, so that it is available in coupling routines 229 IF( ln_zdfqiao .AND. .NOT.cpl_wnum ) THEN 230 CALL fld_read( kt, nn_fsbc, sf_wn ) ! read wave parameters from external forcing 231 wnum(:,:) = sf_wn(1)%fnow(:,:,1) 232 ENDIF 233 234 ! !== Computation of the 3d Stokes Drift ==! 235 ! 236 IF( jpfld == 4 ) CALL sbc_stokes() ! Calculate only if required fields are read 237 ! ! In coupled wave model-NEMO case the call is done after coupling 238 ! 239 ENDIF 240 ! 241 END SUBROUTINE sbc_wave 242 243 244 SUBROUTINE sbc_wave_init 245 !!--------------------------------------------------------------------- 246 !! *** ROUTINE sbc_wave_init *** 247 !! 248 !! ** Purpose : read wave parameters from wave model in netcdf files. 249 !! 250 !! ** Method : - Read namelist namsbc_wave 251 !! - Read Cd_n10 fields in netcdf files 252 !! - Read stokes drift 2d in netcdf files 253 !! - Read wave number in netcdf files 254 !! - Compute 3d stokes drift using Breivik et al.,2014 255 !! formulation 256 !! ** action 257 !!--------------------------------------------------------------------- 258 INTEGER :: ierror, ios ! local integer 259 INTEGER :: ifpr 260 !! 69 261 CHARACTER(len=100) :: cn_dir ! Root directory for location of drag coefficient files 70 TYPE(FLD_N) :: sn_cdg, sn_usd, sn_vsd, sn_wn ! informations about the fields to be read 71 REAL(wp), DIMENSION(:,:,:), POINTER :: zusd_t, zvsd_t, ze3hdiv ! 3D workspace 72 !! 73 NAMELIST/namsbc_wave/ sn_cdg, cn_dir, sn_usd, sn_vsd, sn_wn, ln_cdgw , ln_sdw 74 !!--------------------------------------------------------------------- 75 ! 76 ! ! -------------------- ! 77 IF( kt == nit000 ) THEN ! First call kt=nit000 ! 78 ! ! -------------------- ! 79 REWIND( numnam_ref ) ! Namelist namsbc_wave in reference namelist : File for drag coeff. from wave model 80 READ ( numnam_ref, namsbc_wave, IOSTAT = ios, ERR = 901) 81 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_wave in reference namelist', lwp ) 82 ! 83 REWIND( numnam_cfg ) ! Namelist namsbc_wave in configuration namelist : File for drag coeff. from wave model 84 READ ( numnam_cfg, namsbc_wave, IOSTAT = ios, ERR = 902 ) 85 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_wave in configuration namelist', lwp ) 86 IF(lwm) WRITE ( numond, namsbc_wave ) 87 ! 88 IF(lwp) THEN ! Control print 89 WRITE(numout,*) ' Namelist namsbc_wave : surface wave setting' 90 WRITE(numout,*) ' wave drag coefficient ln_cdgw = ', ln_cdgw 91 WRITE(numout,*) ' wave stokes drift ln_sdw = ', ln_sdw 92 ENDIF 93 ! 94 IF( .NOT.( ln_cdgw .OR. ln_sdw ) ) & 95 & CALL ctl_warn( 'ln_sbcwave=T but nor drag coefficient (ln_cdgw=F) neither stokes drift activated (ln_sdw=F)' ) 96 IF( ln_cdgw .AND. .NOT.(ln_blk_mfs .OR. ln_blk_core) ) & 97 & CALL ctl_stop( 'drag coefficient read from wave model definable only with mfs bulk formulae and core') 98 ! 99 IF( ln_cdgw ) THEN 262 TYPE(FLD_N), ALLOCATABLE, DIMENSION(:) :: slf_i ! array of namelist informations on the fields to read 263 TYPE(FLD_N) :: sn_cdg, sn_usd, sn_vsd, & 264 & sn_hsw, sn_wmp, sn_wnum, sn_tauoc ! informations about the fields to be read 265 ! 266 NAMELIST/namsbc_wave/ sn_cdg, cn_dir, sn_usd, sn_vsd, sn_hsw, sn_wmp, sn_wnum, sn_tauoc 267 !!--------------------------------------------------------------------- 268 ! 269 REWIND( numnam_ref ) ! Namelist namsbc_wave in reference namelist : File for drag coeff. from wave model 270 READ ( numnam_ref, namsbc_wave, IOSTAT = ios, ERR = 901) 271 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_wave in reference namelist', lwp ) 272 273 REWIND( numnam_cfg ) ! Namelist namsbc_wave in configuration namelist : File for drag coeff. from wave model 274 READ ( numnam_cfg, namsbc_wave, IOSTAT = ios, ERR = 902 ) 275 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_wave in configuration namelist', lwp ) 276 IF(lwm) WRITE ( numond, namsbc_wave ) 277 ! 278 IF( ln_cdgw ) THEN 279 IF( .NOT. cpl_wdrag ) THEN 100 280 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' )281 IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'sbc_wave_init: unable to allocate sf_wave structure' ) 102 282 ! 103 283 ALLOCATE( sf_cd(1)%fnow(jpi,jpj,1) ) 104 284 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' ) 285 CALL fld_fill( sf_cd, (/ sn_cdg /), cn_dir, 'sbc_wave_init', 'Wave module ', 'namsbc_wave' ) 286 ENDIF 287 ALLOCATE( cdn_wave(jpi,jpj) ) 288 ENDIF 289 290 IF( ln_tauoc ) THEN 291 IF( .NOT. cpl_wstrf ) THEN 292 ALLOCATE( sf_tauoc(1), STAT=ierror ) !* allocate and fill sf_wave with sn_tauoc 293 IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'sbc_wave_init: unable to allocate sf_wave structure' ) 294 ! 295 ALLOCATE( sf_tauoc(1)%fnow(jpi,jpj,1) ) 296 IF( sn_tauoc%ln_tint ) ALLOCATE( sf_tauoc(1)%fdta(jpi,jpj,1,2) ) 297 CALL fld_fill( sf_tauoc, (/ sn_tauoc /), cn_dir, 'sbc_wave_init', 'Wave module', 'namsbc_wave' ) 298 ENDIF 299 ALLOCATE( tauoc_wave(jpi,jpj) ) 300 ENDIF 301 302 IF( ln_sdw ) THEN ! Find out how many fields have to be read from file if not coupled 303 jpfld=0 304 jp_usd=0 ; jp_vsd=0 ; jp_hsw=0 ; jp_wmp=0 305 IF( .NOT. cpl_sdrftx ) THEN 306 jpfld = jpfld + 1 307 jp_usd = jpfld 308 ENDIF 309 IF( .NOT. cpl_sdrfty ) THEN 310 jpfld = jpfld + 1 311 jp_vsd = jpfld 312 ENDIF 313 IF( .NOT. cpl_hsig ) THEN 314 jpfld = jpfld + 1 315 jp_hsw = jpfld 316 ENDIF 317 IF( .NOT. cpl_wper ) THEN 318 jpfld = jpfld + 1 319 jp_wmp = jpfld 320 ENDIF 321 322 ! Read from file only the non-coupled fields 323 IF( jpfld > 0 ) THEN 324 ALLOCATE( slf_i(jpfld) ) 325 IF( jp_usd > 0 ) slf_i(jp_usd) = sn_usd 326 IF( jp_vsd > 0 ) slf_i(jp_vsd) = sn_vsd 327 IF( jp_hsw > 0 ) slf_i(jp_hsw) = sn_hsw 328 IF( jp_wmp > 0 ) slf_i(jp_wmp) = sn_wmp 329 ALLOCATE( sf_sd(jpfld), STAT=ierror ) !* allocate and fill sf_sd with stokes drift 330 IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'sbc_wave_init: unable to allocate sf_wave structure' ) 113 331 ! 114 332 DO ifpr= 1, jpfld … … 116 334 IF( slf_i(ifpr)%ln_tint ) ALLOCATE( sf_sd(ifpr)%fdta(jpi,jpj,1,2) ) 117 335 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 usd3d(:,:,:) = 0._wp ; usd2d(:,:) = 0._wp ; uwavenum(:,:) = 0._wp 122 vsd3d(:,:,:) = 0._wp ; vsd2d(:,:) = 0._wp ; vwavenum(:,:) = 0._wp 123 wsd3d(:,:,:) = 0._wp 124 ENDIF 125 ENDIF 126 ! 127 IF( ln_cdgw ) THEN !== Neutral drag coefficient ==! 128 CALL fld_read( kt, nn_fsbc, sf_cd ) ! read from external forcing 129 cdn_wave(:,:) = sf_cd(1)%fnow(:,:,1) 130 ENDIF 131 ! 132 IF( ln_sdw ) THEN !== Computation of the 3d Stokes Drift ==! 133 ! 134 CALL wrk_alloc( jpi,jpj,jpk, zusd_t, zvsd_t, ze3hdiv ) 135 ! 136 CALL fld_read( kt, nn_fsbc, sf_sd ) !* read drag coefficient from external forcing 137 ! 138 DO jk = 1, jpkm1 !* distribute it on the vertical 139 zusd_t(:,:,jk) = sf_sd(jp_usd)%fnow(:,:,1) * EXP( -2._wp * sf_sd(jp_wn)%fnow(:,:,1) * gdept_n(:,:,jk) ) 140 zvsd_t(:,:,jk) = sf_sd(jp_vsd)%fnow(:,:,1) * EXP( -2._wp * sf_sd(jp_wn)%fnow(:,:,1) * gdept_n(:,:,jk) ) 141 END DO 142 DO jk = 1, jpkm1 !* interpolate the stokes drift from t-point to u- and v-points 143 DO jj = 1, jpjm1 144 DO ji = 1, jpim1 145 usd3d(ji,jj,jk) = 0.5_wp * ( zusd_t(ji ,jj,jk) + zusd_t(ji+1,jj,jk) ) * umask(ji,jj,jk) 146 vsd3d(ji,jj,jk) = 0.5_wp * ( zvsd_t(ji ,jj,jk) + zvsd_t(ji,jj+1,jk) ) * vmask(ji,jj,jk) 147 END DO 148 END DO 149 END DO 150 CALL lbc_lnk( usd3d(:,:,:), 'U', -1. ) 151 CALL lbc_lnk( vsd3d(:,:,:), 'V', -1. ) 152 ! 153 DO jk = 1, jpkm1 !* e3t * Horizontal divergence ==! 154 DO jj = 2, jpjm1 155 DO ji = fs_2, fs_jpim1 ! vector opt. 156 ze3hdiv(ji,jj,jk) = ( e2u(ji ,jj) * e3u_n(ji ,jj,jk) * usd3d(ji ,jj,jk) & 157 & - e2u(ji-1,jj) * e3u_n(ji-1,jj,jk) * usd3d(ji-1,jj,jk) & 158 & + e1v(ji,jj ) * e3v_n(ji,jj ,jk) * vsd3d(ji,jj ,jk) & 159 & - e1v(ji,jj-1) * e3v_n(ji,jj-1,jk) * vsd3d(ji,jj-1,jk) ) * r1_e1e2t(ji,jj) 160 END DO 161 END DO 162 IF( .NOT. AGRIF_Root() ) THEN 163 IF( nbondi == 1 .OR. nbondi == 2 ) ze3hdiv(nlci-1, : ,jk) = 0._wp ! east 164 IF( nbondi == -1 .OR. nbondi == 2 ) ze3hdiv( 2 , : ,jk) = 0._wp ! west 165 IF( nbondj == 1 .OR. nbondj == 2 ) ze3hdiv( : ,nlcj-1,jk) = 0._wp ! north 166 IF( nbondj == -1 .OR. nbondj == 2 ) ze3hdiv( : , 2 ,jk) = 0._wp ! south 167 ENDIF 168 END DO 169 CALL lbc_lnk( ze3hdiv, 'T', 1. ) 170 ! 171 DO jk = jpkm1, 1, -1 !* integrate from the bottom the e3t * hor. divergence 172 wsd3d(:,:,jk) = wsd3d(:,:,jk+1) - ze3hdiv(:,:,jk) 173 END DO 174 #if defined key_bdy 175 IF( lk_bdy ) THEN 176 DO jk = 1, jpkm1 177 wsd3d(:,:,jk) = wsd3d(:,:,jk) * bdytmask(:,:) 178 END DO 179 ENDIF 180 #endif 181 CALL wrk_dealloc( jpi,jpj,jpk, zusd_t, zvsd_t, ze3hdiv ) 182 ! 183 ENDIF 184 ! 185 END SUBROUTINE sbc_wave 186 336 ! 337 CALL fld_fill( sf_sd, slf_i, cn_dir, 'sbc_wave_init', 'Wave module ', 'namsbc_wave' ) 338 ENDIF 339 ALLOCATE( usd (jpi,jpj,jpk), vsd (jpi,jpj,jpk), wsd(jpi,jpj,jpk) ) 340 ALLOCATE( hsw (jpi,jpj) , wmp (jpi,jpj) ) 341 ALLOCATE( ut0sd(jpi,jpj) , vt0sd(jpi,jpj) ) 342 ALLOCATE( div_sd(jpi,jpj) ) 343 ALLOCATE( tsd2d (jpi,jpj) ) 344 usd(:,:,:) = 0._wp 345 vsd(:,:,:) = 0._wp 346 wsd(:,:,:) = 0._wp 347 ! Wave number needed only if ln_zdfqiao=T 348 IF( .NOT. cpl_wnum ) THEN 349 ALLOCATE( sf_wn(1), STAT=ierror ) !* allocate and fill sf_wave with sn_wnum 350 IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'sbc_wave_init: unable toallocate sf_wave structure' ) 351 ALLOCATE( sf_wn(1)%fnow(jpi,jpj,1) ) 352 IF( sn_wnum%ln_tint ) ALLOCATE( sf_wn(1)%fdta(jpi,jpj,1,2) ) 353 CALL fld_fill( sf_wn, (/ sn_wnum /), cn_dir, 'sbc_wave', 'Wave module', 'namsbc_wave' ) 354 ENDIF 355 ALLOCATE( wnum(jpi,jpj) ) 356 ENDIF 357 ! 358 END SUBROUTINE sbc_wave_init 359 187 360 !!====================================================================== 188 361 END MODULE sbcwave
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