- Timestamp:
- 2017-04-29T17:24:54+02:00 (7 years ago)
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branches/2017/dev_r7881_HPC09_ZDF/NEMOGCM/NEMO/OPA_SRC/ZDF/zdfiwm.F90
r7967 r7990 1 MODULE zdf tmx1 MODULE zdfiwm 2 2 !!======================================================================== 3 !! *** MODULE zdf tmx***3 !! *** MODULE zdfiwm *** 4 4 !! Ocean physics: Internal gravity wave-driven vertical mixing 5 5 !!======================================================================== … … 8 8 !! 3.3 ! 2010-10 (C. Ethe, G. Madec) reorganisation of initialisation phase 9 9 !! 3.6 ! 2016-03 (C. de Lavergne) New param: internal wave-driven mixing 10 !! 4.0 ! 2017-04 (G. Madec) Remove the old tidal mixing param. and key zdftmx(_new)10 !! 4.0 ! 2017-04 (G. Madec) renamed module, remove the old param. and the CPP keys 11 11 !!---------------------------------------------------------------------- 12 12 13 13 !!---------------------------------------------------------------------- 14 !! zdf_ tmx: global momentum & tracer Kz with wave induced Kz15 !! zdf_ tmx_init : global momentum & tracer Kz with wave induced Kz14 !! zdf_iwm : global momentum & tracer Kz with wave induced Kz 15 !! zdf_iwm_init : global momentum & tracer Kz with wave induced Kz 16 16 !!---------------------------------------------------------------------- 17 17 USE oce ! ocean dynamics and tracers variables … … 33 33 PRIVATE 34 34 35 PUBLIC zdf_ tmx! called in step module36 PUBLIC zdf_ tmx_init ! called in nemogcm module37 PUBLIC zdf_ tmx_alloc ! called in nemogcm module38 39 ! !!* Namelist namzdf_ tmx: internal wave-driven mixing *35 PUBLIC zdf_iwm ! called in step module 36 PUBLIC zdf_iwm_init ! called in nemogcm module 37 PUBLIC zdf_iwm_alloc ! called in nemogcm module 38 39 ! !!* Namelist namzdf_iwm : internal wave-driven mixing * 40 40 INTEGER :: nn_zpyc ! pycnocline-intensified mixing energy proportional to N (=1) or N^2 (=2) 41 41 LOGICAL :: ln_mevar ! variable (=T) or constant (=F) mixing efficiency … … 44 44 REAL(wp) :: r1_6 = 1._wp / 6._wp 45 45 46 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: ebot_ tmx! power available from high-mode wave breaking (W/m2)47 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: epyc_ tmx! power available from low-mode, pycnocline-intensified wave breaking (W/m2)48 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: ecri_ tmx! power available from low-mode, critical slope wave breaking (W/m2)49 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: hbot_ tmx! WKB decay scale for high-mode energy dissipation (m)50 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: hcri_ tmx! decay scale for low-mode critical slope dissipation (m)51 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: emix_ tmx! local energy density available for mixing (W/kg)52 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: bflx_ tmx! buoyancy flux Kz * N^2 (W/kg)53 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: pcmap_ tmx! vertically integrated buoyancy flux (W/m2)46 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: ebot_iwm ! power available from high-mode wave breaking (W/m2) 47 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: epyc_iwm ! power available from low-mode, pycnocline-intensified wave breaking (W/m2) 48 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: ecri_iwm ! power available from low-mode, critical slope wave breaking (W/m2) 49 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: hbot_iwm ! WKB decay scale for high-mode energy dissipation (m) 50 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: hcri_iwm ! decay scale for low-mode critical slope dissipation (m) 51 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: emix_iwm ! local energy density available for mixing (W/kg) 52 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: bflx_iwm ! buoyancy flux Kz * N^2 (W/kg) 53 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: pcmap_iwm ! vertically integrated buoyancy flux (W/m2) 54 54 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: zav_ratio ! S/T diffusivity ratio (only for ln_tsdiff=T) 55 55 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: zav_wave ! Internal wave-induced diffusivity … … 64 64 CONTAINS 65 65 66 INTEGER FUNCTION zdf_ tmx_alloc()67 !!---------------------------------------------------------------------- 68 !! *** FUNCTION zdf_ tmx_alloc ***69 !!---------------------------------------------------------------------- 70 ALLOCATE( ebot_ tmx(jpi,jpj), epyc_tmx(jpi,jpj), ecri_tmx(jpi,jpj) , &71 & hbot_ tmx(jpi,jpj), hcri_tmx(jpi,jpj), emix_tmx(jpi,jpj,jpk), &72 & bflx_ tmx(jpi,jpj,jpk), pcmap_tmx(jpi,jpj), zav_ratio(jpi,jpj,jpk), &73 & zav_wave(jpi,jpj,jpk), STAT=zdf_ tmx_alloc )74 ! 75 IF( lk_mpp ) CALL mpp_sum ( zdf_ tmx_alloc )76 IF( zdf_ tmx_alloc /= 0 ) CALL ctl_warn('zdf_tmx_alloc: failed to allocate arrays')77 END FUNCTION zdf_ tmx_alloc78 79 80 SUBROUTINE zdf_ tmx( kt )81 !!---------------------------------------------------------------------- 82 !! *** ROUTINE zdf_ tmx***66 INTEGER FUNCTION zdf_iwm_alloc() 67 !!---------------------------------------------------------------------- 68 !! *** FUNCTION zdf_iwm_alloc *** 69 !!---------------------------------------------------------------------- 70 ALLOCATE( ebot_iwm(jpi,jpj), epyc_iwm(jpi,jpj), ecri_iwm(jpi,jpj) , & 71 & hbot_iwm(jpi,jpj), hcri_iwm(jpi,jpj), emix_iwm(jpi,jpj,jpk), & 72 & bflx_iwm(jpi,jpj,jpk), pcmap_iwm(jpi,jpj), zav_ratio(jpi,jpj,jpk), & 73 & zav_wave(jpi,jpj,jpk), STAT=zdf_iwm_alloc ) 74 ! 75 IF( lk_mpp ) CALL mpp_sum ( zdf_iwm_alloc ) 76 IF( zdf_iwm_alloc /= 0 ) CALL ctl_warn('zdf_iwm_alloc: failed to allocate arrays') 77 END FUNCTION zdf_iwm_alloc 78 79 80 SUBROUTINE zdf_iwm( kt ) 81 !!---------------------------------------------------------------------- 82 !! *** ROUTINE zdf_iwm *** 83 83 !! 84 84 !! ** Purpose : add to the vertical mixing coefficients the effect of … … 86 86 !! 87 87 !! ** Method : - internal wave-driven vertical mixing is given by: 88 !! Kz_wave = min( 100 cm2/s, f( Reb = emix_ tmx/( Nu * N^2 ) )89 !! where emix_ tmxis the 3D space distribution of the wave-breaking88 !! Kz_wave = min( 100 cm2/s, f( Reb = emix_iwm /( Nu * N^2 ) ) 89 !! where emix_iwm is the 3D space distribution of the wave-breaking 90 90 !! energy and Nu the molecular kinematic viscosity. 91 91 !! The function f(Reb) is linear (constant mixing efficiency) 92 92 !! if the namelist parameter ln_mevar = F and nonlinear if ln_mevar = T. 93 93 !! 94 !! - Compute emix_ tmx, the 3D power density that allows to compute94 !! - Compute emix_iwm, the 3D power density that allows to compute 95 95 !! Reb and therefrom the wave-induced vertical diffusivity. 96 96 !! This is divided into three components: 97 97 !! 1. Bottom-intensified low-mode dissipation at critical slopes 98 !! emix_ tmx(z) = ( ecri_tmx / rau0 ) * EXP( -(H-z)/hcri_tmx)99 !! / ( 1. - EXP( - H/hcri_ tmx ) ) * hcri_tmx100 !! where hcri_ tmxis the characteristic length scale of the bottom101 !! intensification, ecri_ tmxa map of available power, and H the ocean depth.98 !! emix_iwm(z) = ( ecri_iwm / rau0 ) * EXP( -(H-z)/hcri_iwm ) 99 !! / ( 1. - EXP( - H/hcri_iwm ) ) * hcri_iwm 100 !! where hcri_iwm is the characteristic length scale of the bottom 101 !! intensification, ecri_iwm a map of available power, and H the ocean depth. 102 102 !! 2. Pycnocline-intensified low-mode dissipation 103 !! emix_ tmx(z) = ( epyc_tmx/ rau0 ) * ( sqrt(rn2(z))^nn_zpyc )103 !! emix_iwm(z) = ( epyc_iwm / rau0 ) * ( sqrt(rn2(z))^nn_zpyc ) 104 104 !! / SUM( sqrt(rn2(z))^nn_zpyc * e3w(z) ) 105 !! where epyc_ tmxis a map of available power, and nn_zpyc105 !! where epyc_iwm is a map of available power, and nn_zpyc 106 106 !! is the chosen stratification-dependence of the internal wave 107 107 !! energy dissipation. 108 108 !! 3. WKB-height dependent high mode dissipation 109 !! emix_ tmx(z) = ( ebot_tmx / rau0 ) * rn2(z) * EXP(-z_wkb(z)/hbot_tmx)110 !! / SUM( rn2(z) * EXP(-z_wkb(z)/hbot_ tmx) * e3w(z) )111 !! where hbot_ tmxis the characteristic length scale of the WKB bottom112 !! intensification, ebot_ tmxis a map of available power, and z_wkb is the109 !! emix_iwm(z) = ( ebot_iwm / rau0 ) * rn2(z) * EXP(-z_wkb(z)/hbot_iwm) 110 !! / SUM( rn2(z) * EXP(-z_wkb(z)/hbot_iwm) * e3w(z) ) 111 !! where hbot_iwm is the characteristic length scale of the WKB bottom 112 !! intensification, ebot_iwm is a map of available power, and z_wkb is the 113 113 !! WKB-stretched height above bottom defined as 114 114 !! z_wkb(z) = H * SUM( sqrt(rn2(z'>=z)) * e3w(z'>=z) ) … … 118 118 !! avt = avt + av_wave 119 119 !! avm = avm + av_wave 120 !! avmu = avmu + mi(av_wave)121 !! avmv = avmv + mj(av_wave)122 120 !! 123 121 !! - if namelist parameter ln_tsdiff = T, account for differential mixing: 124 122 !! avs = avt + av_wave * diffusivity_ratio(Reb) 125 123 !! 126 !! ** Action : - Define emix_ tmxused to compute internal wave-induced mixing127 !! - avt, avs, avm, avmu, avmvincreased by internal wave-driven mixing124 !! ** Action : - Define emix_iwm used to compute internal wave-induced mixing 125 !! - avt, avs, avm, increased by internal wave-driven mixing 128 126 !! 129 127 !! References : de Lavergne et al. 2015, JPO; 2016, in prep. … … 142 140 !!---------------------------------------------------------------------- 143 141 ! 144 IF( nn_timing == 1 ) CALL timing_start('zdf_ tmx')142 IF( nn_timing == 1 ) CALL timing_start('zdf_iwm') 145 143 ! 146 144 CALL wrk_alloc( jpi,jpj, zfact, zhdep ) … … 156 154 DO ji = 1, jpi 157 155 zhdep(ji,jj) = gdepw_0(ji,jj,mbkt(ji,jj)+1) ! depth of the ocean 158 zfact(ji,jj) = rau0 * ( 1._wp - EXP( -zhdep(ji,jj) / hcri_ tmx(ji,jj) ) )159 IF( zfact(ji,jj) /= 0 ) zfact(ji,jj) = ecri_tmx(ji,jj) / zfact(ji,jj)156 zfact(ji,jj) = rau0 * ( 1._wp - EXP( -zhdep(ji,jj) / hcri_iwm(ji,jj) ) ) 157 IF( zfact(ji,jj) /= 0._wp ) zfact(ji,jj) = ecri_iwm(ji,jj) / zfact(ji,jj) 160 158 END DO 161 159 END DO 162 160 163 161 DO jk = 2, jpkm1 ! complete with the level-dependent part 164 emix_ tmx(:,:,jk) = zfact(:,:) * ( EXP( ( gde3w_n(:,:,jk ) - zhdep(:,:) ) / hcri_tmx(:,:) ) &165 & - EXP( ( gde3w_n(:,:,jk-1) - zhdep(:,:) ) / hcri_ tmx(:,:) ) ) * wmask(:,:,jk) &162 emix_iwm(:,:,jk) = zfact(:,:) * ( EXP( ( gde3w_n(:,:,jk ) - zhdep(:,:) ) / hcri_iwm(:,:) ) & 163 & - EXP( ( gde3w_n(:,:,jk-1) - zhdep(:,:) ) / hcri_iwm(:,:) ) ) * wmask(:,:,jk) & 166 164 !!gm delta(gde3w_n) = e3t_n !! Please verify the grid-point position w versus t-point 167 165 & / ( gde3w_n(:,:,jk) - gde3w_n(:,:,jk-1) ) … … 170 168 ! !* Pycnocline-intensified mixing: distribute energy over the time-varying 171 169 ! !* ocean depth as proportional to sqrt(rn2)^nn_zpyc 172 170 ! 173 171 SELECT CASE ( nn_zpyc ) 174 172 ! 175 173 CASE ( 1 ) ! Dissipation scales as N (recommended) 176 174 ! 177 175 zfact(:,:) = 0._wp 178 176 DO jk = 2, jpkm1 ! part independent of the level 179 177 zfact(:,:) = zfact(:,:) + e3w_n(:,:,jk) * SQRT( MAX( 0._wp, rn2(:,:,jk) ) ) * wmask(:,:,jk) 180 178 END DO 181 179 ! 182 180 DO jj = 1, jpj 183 181 DO ji = 1, jpi 184 IF( zfact(ji,jj) /= 0 ) zfact(ji,jj) = epyc_ tmx(ji,jj) / ( rau0 * zfact(ji,jj) )185 END DO 186 END DO 187 182 IF( zfact(ji,jj) /= 0 ) zfact(ji,jj) = epyc_iwm(ji,jj) / ( rau0 * zfact(ji,jj) ) 183 END DO 184 END DO 185 ! 188 186 DO jk = 2, jpkm1 ! complete with the level-dependent part 189 emix_ tmx(:,:,jk) = emix_tmx(:,:,jk) + zfact(:,:) * SQRT( MAX( 0._wp, rn2(:,:,jk) ) ) * wmask(:,:,jk)190 END DO 191 187 emix_iwm(:,:,jk) = emix_iwm(:,:,jk) + zfact(:,:) * SQRT( MAX( 0._wp, rn2(:,:,jk) ) ) * wmask(:,:,jk) 188 END DO 189 ! 192 190 CASE ( 2 ) ! Dissipation scales as N^2 193 191 ! 194 192 zfact(:,:) = 0._wp 195 193 DO jk = 2, jpkm1 ! part independent of the level 196 194 zfact(:,:) = zfact(:,:) + e3w_n(:,:,jk) * MAX( 0._wp, rn2(:,:,jk) ) * wmask(:,:,jk) 197 195 END DO 198 196 ! 199 197 DO jj= 1, jpj 200 198 DO ji = 1, jpi 201 IF( zfact(ji,jj) /= 0 ) zfact(ji,jj) = epyc_ tmx(ji,jj) / ( rau0 * zfact(ji,jj) )202 END DO 203 END DO 204 199 IF( zfact(ji,jj) /= 0 ) zfact(ji,jj) = epyc_iwm(ji,jj) / ( rau0 * zfact(ji,jj) ) 200 END DO 201 END DO 202 ! 205 203 DO jk = 2, jpkm1 ! complete with the level-dependent part 206 emix_ tmx(:,:,jk) = emix_tmx(:,:,jk) + zfact(:,:) * MAX( 0._wp, rn2(:,:,jk) ) * wmask(:,:,jk)207 END DO 208 204 emix_iwm(:,:,jk) = emix_iwm(:,:,jk) + zfact(:,:) * MAX( 0._wp, rn2(:,:,jk) ) * wmask(:,:,jk) 205 END DO 206 ! 209 207 END SELECT 210 208 211 209 ! !* WKB-height dependent mixing: distribute energy over the time-varying 212 210 ! !* ocean depth as proportional to rn2 * exp(-z_wkb/rn_hbot) 213 211 ! 214 212 zwkb(:,:,:) = 0._wp 215 213 zfact(:,:) = 0._wp … … 218 216 zwkb(:,:,jk) = zfact(:,:) 219 217 END DO 220 218 ! 221 219 DO jk = 2, jpkm1 222 220 DO jj = 1, jpj 223 221 DO ji = 1, jpi 224 222 IF( zfact(ji,jj) /= 0 ) zwkb(ji,jj,jk) = zhdep(ji,jj) * ( zfact(ji,jj) - zwkb(ji,jj,jk) ) & 225 &* tmask(ji,jj,jk) / zfact(ji,jj)223 & * tmask(ji,jj,jk) / zfact(ji,jj) 226 224 END DO 227 225 END DO 228 226 END DO 229 227 zwkb(:,:,1) = zhdep(:,:) * tmask(:,:,1) 230 228 ! 231 229 zweight(:,:,:) = 0._wp 232 230 DO jk = 2, jpkm1 233 zweight(:,:,jk) = MAX( 0._wp, rn2(:,:,jk) ) * hbot_ tmx(:,:) * wmask(:,:,jk) &234 & * ( EXP( -zwkb(:,:,jk) / hbot_ tmx(:,:) ) - EXP( -zwkb(:,:,jk-1) / hbot_tmx(:,:) ) )235 END DO 236 231 zweight(:,:,jk) = MAX( 0._wp, rn2(:,:,jk) ) * hbot_iwm(:,:) * wmask(:,:,jk) & 232 & * ( EXP( -zwkb(:,:,jk) / hbot_iwm(:,:) ) - EXP( -zwkb(:,:,jk-1) / hbot_iwm(:,:) ) ) 233 END DO 234 ! 237 235 zfact(:,:) = 0._wp 238 236 DO jk = 2, jpkm1 ! part independent of the level 239 237 zfact(:,:) = zfact(:,:) + zweight(:,:,jk) 240 238 END DO 241 239 ! 242 240 DO jj = 1, jpj 243 241 DO ji = 1, jpi 244 IF( zfact(ji,jj) /= 0 ) zfact(ji,jj) = ebot_ tmx(ji,jj) / ( rau0 * zfact(ji,jj) )245 END DO 246 END DO 247 242 IF( zfact(ji,jj) /= 0 ) zfact(ji,jj) = ebot_iwm(ji,jj) / ( rau0 * zfact(ji,jj) ) 243 END DO 244 END DO 245 ! 248 246 DO jk = 2, jpkm1 ! complete with the level-dependent part 249 emix_ tmx(:,:,jk) = emix_tmx(:,:,jk) + zweight(:,:,jk) * zfact(:,:) * wmask(:,:,jk) &247 emix_iwm(:,:,jk) = emix_iwm(:,:,jk) + zweight(:,:,jk) * zfact(:,:) * wmask(:,:,jk) & 250 248 & / ( gde3w_n(:,:,jk) - gde3w_n(:,:,jk-1) ) 251 249 END DO 252 253 250 ! 254 251 ! Calculate molecular kinematic viscosity 255 252 znu_t(:,:,:) = 1.e-4_wp * ( 17.91_wp - 0.53810_wp * tsn(:,:,:,jp_tem) + 0.00694_wp * tsn(:,:,:,jp_tem) * tsn(:,:,:,jp_tem) & … … 258 255 znu_w(:,:,jk) = 0.5_wp * ( znu_t(:,:,jk-1) + znu_t(:,:,jk) ) * wmask(:,:,jk) 259 256 END DO 260 257 ! 261 258 ! Calculate turbulence intensity parameter Reb 262 259 DO jk = 2, jpkm1 263 zReb(:,:,jk) = emix_ tmx(:,:,jk) / MAX( 1.e-20_wp, znu_w(:,:,jk) * rn2(:,:,jk) )264 END DO 265 260 zReb(:,:,jk) = emix_iwm(:,:,jk) / MAX( 1.e-20_wp, znu_w(:,:,jk) * rn2(:,:,jk) ) 261 END DO 262 ! 266 263 ! Define internal wave-induced diffusivity 267 264 DO jk = 2, jpkm1 268 265 zav_wave(:,:,jk) = znu_w(:,:,jk) * zReb(:,:,jk) * r1_6 ! This corresponds to a constant mixing efficiency of 1/6 269 266 END DO 270 267 ! 271 268 IF( ln_mevar ) THEN ! Variable mixing efficiency case : modify zav_wave in the 272 269 DO jk = 2, jpkm1 ! energetic (Reb > 480) and buoyancy-controlled (Reb <10.224 ) regimes … … 282 279 END DO 283 280 ENDIF 284 281 ! 285 282 DO jk = 2, jpkm1 ! Bound diffusivity by molecular value and 100 cm2/s 286 283 zav_wave(:,:,jk) = MIN( MAX( 1.4e-7_wp, zav_wave(:,:,jk) ), 1.e-2_wp ) * wmask(:,:,jk) 287 284 END DO 288 285 ! 289 286 IF( kt == nit000 ) THEN !* Control print at first time-step: diagnose the energy consumed by zav_wave 290 287 ztpc = 0._wp … … 300 297 IF( lk_mpp ) CALL mpp_sum( ztpc ) 301 298 ztpc = rau0 * ztpc ! Global integral of rauo * Kz * N^2 = power contributing to mixing 302 299 ! 303 300 IF(lwp) THEN 304 301 WRITE(numout,*) 305 WRITE(numout,*) 'zdf_ tmx : Internal wave-driven mixing (tmx)'302 WRITE(numout,*) 'zdf_iwm : Internal wave-driven mixing (iwm)' 306 303 WRITE(numout,*) '~~~~~~~ ' 307 304 WRITE(numout,*) … … 339 336 ENDIF 340 337 341 DO jk = 2, jpkm1 !* update momentum diffusivity at wu and wv points342 DO jj = 2, jpjm1343 DO ji = fs_2, fs_jpim1 ! vector opt.344 avmu(ji,jj,jk) = avmu(ji,jj,jk) + 0.5_wp * ( zav_wave(ji,jj,jk) + zav_wave(ji+1,jj ,jk) ) * wumask(ji,jj,jk)345 avmv(ji,jj,jk) = avmv(ji,jj,jk) + 0.5_wp * ( zav_wave(ji,jj,jk) + zav_wave(ji ,jj+1,jk) ) * wvmask(ji,jj,jk)346 END DO347 END DO348 END DO349 CALL lbc_lnk( avmu, 'U', 1. ) ; CALL lbc_lnk( avmv, 'V', 1. ) ! lateral boundary condition350 351 338 ! !* output internal wave-driven mixing coefficient 352 339 CALL iom_put( "av_wave", zav_wave ) 353 !* output useful diagnostics: N^2, Kz * N^2 (bflx_ tmx),354 ! vertical integral of rau0 * Kz * N^2 (pcmap_ tmx), energy density (emix_tmx)355 IF( iom_use("bflx_ tmx") .OR. iom_use("pcmap_tmx") ) THEN356 bflx_ tmx(:,:,:) = MAX( 0._wp, rn2(:,:,:) ) * zav_wave(:,:,:)357 pcmap_ tmx(:,:) = 0._wp340 !* output useful diagnostics: N^2, Kz * N^2 (bflx_iwm), 341 ! vertical integral of rau0 * Kz * N^2 (pcmap_iwm), energy density (emix_iwm) 342 IF( iom_use("bflx_iwm") .OR. iom_use("pcmap_iwm") ) THEN 343 bflx_iwm(:,:,:) = MAX( 0._wp, rn2(:,:,:) ) * zav_wave(:,:,:) 344 pcmap_iwm(:,:) = 0._wp 358 345 DO jk = 2, jpkm1 359 pcmap_ tmx(:,:) = pcmap_tmx(:,:) + e3w_n(:,:,jk) * bflx_tmx(:,:,jk) * wmask(:,:,jk)360 END DO 361 pcmap_ tmx(:,:) = rau0 * pcmap_tmx(:,:)362 CALL iom_put( "bflx_ tmx", bflx_tmx)363 CALL iom_put( "pcmap_ tmx", pcmap_tmx)346 pcmap_iwm(:,:) = pcmap_iwm(:,:) + e3w_n(:,:,jk) * bflx_iwm(:,:,jk) * wmask(:,:,jk) 347 END DO 348 pcmap_iwm(:,:) = rau0 * pcmap_iwm(:,:) 349 CALL iom_put( "bflx_iwm", bflx_iwm ) 350 CALL iom_put( "pcmap_iwm", pcmap_iwm ) 364 351 ENDIF 365 352 CALL iom_put( "bn2", rn2 ) 366 CALL iom_put( "emix_ tmx", emix_tmx)353 CALL iom_put( "emix_iwm", emix_iwm ) 367 354 368 355 CALL wrk_dealloc( jpi,jpj, zfact, zhdep ) 369 356 CALL wrk_dealloc( jpi,jpj,jpk, zwkb, zweight, znu_t, znu_w, zReb ) 370 357 371 IF(ln_ctl) CALL prt_ctl(tab3d_1=zav_wave , clinfo1=' tmx- av_wave: ', tab3d_2=avt, clinfo2=' avt: ', ovlap=1, kdim=jpk)372 ! 373 IF( nn_timing == 1 ) CALL timing_stop('zdf_ tmx')374 ! 375 END SUBROUTINE zdf_ tmx376 377 378 SUBROUTINE zdf_ tmx_init379 !!---------------------------------------------------------------------- 380 !! *** ROUTINE zdf_ tmx_init ***358 IF(ln_ctl) CALL prt_ctl(tab3d_1=zav_wave , clinfo1=' iwm - av_wave: ', tab3d_2=avt, clinfo2=' avt: ', ovlap=1, kdim=jpk) 359 ! 360 IF( nn_timing == 1 ) CALL timing_stop('zdf_iwm') 361 ! 362 END SUBROUTINE zdf_iwm 363 364 365 SUBROUTINE zdf_iwm_init 366 !!---------------------------------------------------------------------- 367 !! *** ROUTINE zdf_iwm_init *** 381 368 !! 382 369 !! ** Purpose : Initialization of the wave-driven vertical mixing, reading 383 370 !! of input power maps and decay length scales in netcdf files. 384 371 !! 385 !! ** Method : - Read the namzdf_ tmxnamelist and check the parameters372 !! ** Method : - Read the namzdf_iwm namelist and check the parameters 386 373 !! 387 374 !! - Read the input data in NetCDF files : … … 392 379 !! decay scale for critical slope wave-breaking (decay_scale_cri.nc) 393 380 !! 394 !! ** input : - Namlist namzdf_ tmx381 !! ** input : - Namlist namzdf_iwm 395 382 !! - NetCDF files : mixing_power_bot.nc, mixing_power_pyc.nc, mixing_power_cri.nc, 396 383 !! decay_scale_bot.nc decay_scale_cri.nc 397 384 !! 398 385 !! ** Action : - Increase by 1 the nstop flag is setting problem encounter 399 !! - Define ebot_ tmx, epyc_tmx, ecri_tmx, hbot_tmx, hcri_tmx400 !! 401 !! References : de Lavergne et al. 2015, JPO; 2016, in prep.402 !! 386 !! - Define ebot_iwm, epyc_iwm, ecri_iwm, hbot_iwm, hcri_iwm 387 !! 388 !! References : de Lavergne et al. JPO, 2015 ; de Lavergne PhD 2016 389 !! de Lavergne et al. in prep., 2017 403 390 !!---------------------------------------------------------------------- 404 391 INTEGER :: ji, jj, jk ! dummy loop indices … … 407 394 REAL(wp) :: zbot, zpyc, zcri ! local scalars 408 395 !! 409 NAMELIST/namzdf_ tmx_new/ nn_zpyc, ln_mevar, ln_tsdiff410 !!---------------------------------------------------------------------- 411 ! 412 IF( nn_timing == 1 ) CALL timing_start('zdf_ tmx_init')413 ! 414 REWIND( numnam_ref ) ! Namelist namzdf_ tmxin reference namelist : Wave-driven mixing415 READ ( numnam_ref, namzdf_ tmx_new, IOSTAT = ios, ERR = 901)416 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namzdf_ tmxin reference namelist', lwp )417 ! 418 REWIND( numnam_cfg ) ! Namelist namzdf_ tmxin configuration namelist : Wave-driven mixing419 READ ( numnam_cfg, namzdf_ tmx_new, IOSTAT = ios, ERR = 902 )420 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namzdf_ tmxin configuration namelist', lwp )421 IF(lwm) WRITE ( numond, namzdf_ tmx_new )396 NAMELIST/namzdf_iwm_new/ nn_zpyc, ln_mevar, ln_tsdiff 397 !!---------------------------------------------------------------------- 398 ! 399 IF( nn_timing == 1 ) CALL timing_start('zdf_iwm_init') 400 ! 401 REWIND( numnam_ref ) ! Namelist namzdf_iwm in reference namelist : Wave-driven mixing 402 READ ( numnam_ref, namzdf_iwm_new, IOSTAT = ios, ERR = 901) 403 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namzdf_iwm in reference namelist', lwp ) 404 ! 405 REWIND( numnam_cfg ) ! Namelist namzdf_iwm in configuration namelist : Wave-driven mixing 406 READ ( numnam_cfg, namzdf_iwm_new, IOSTAT = ios, ERR = 902 ) 407 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namzdf_iwm in configuration namelist', lwp ) 408 IF(lwm) WRITE ( numond, namzdf_iwm_new ) 422 409 ! 423 410 IF(lwp) THEN ! Control print 424 411 WRITE(numout,*) 425 WRITE(numout,*) 'zdf_ tmx_init : internal wave-driven mixing'412 WRITE(numout,*) 'zdf_iwm_init : internal wave-driven mixing' 426 413 WRITE(numout,*) '~~~~~~~~~~~~' 427 WRITE(numout,*) ' Namelist namzdf_ tmx_new : set wave-driven mixing parameters'414 WRITE(numout,*) ' Namelist namzdf_iwm_new : set wave-driven mixing parameters' 428 415 WRITE(numout,*) ' Pycnocline-intensified diss. scales as N (=1) or N^2 (=2) = ', nn_zpyc 429 416 WRITE(numout,*) ' Variable (T) or constant (F) mixing efficiency = ', ln_mevar … … 435 422 ! be set here to a very small value, and avmb to its (uniform) molecular value (=1.4e-6). 436 423 avmb(:) = 1.4e-6_wp ! viscous molecular value 437 avtb(:) = 1.e-10_wp ! very small diffusive minimum (background avt is specified in zdf_ tmx)424 avtb(:) = 1.e-10_wp ! very small diffusive minimum (background avt is specified in zdf_iwm) 438 425 avtb_2d(:,:) = 1.e0_wp ! uniform 439 426 IF(lwp) THEN ! Control print … … 443 430 ENDIF 444 431 445 ! ! allocate tmxarrays446 IF( zdf_ tmx_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'zdf_tmx_init : unable to allocate tmxarrays' )432 ! ! allocate iwm arrays 433 IF( zdf_iwm_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'zdf_iwm_init : unable to allocate iwm arrays' ) 447 434 ! 448 435 ! ! read necessary fields 449 436 CALL iom_open('mixing_power_bot',inum) ! energy flux for high-mode wave breaking [W/m2] 450 CALL iom_get (inum, jpdom_data, 'field', ebot_ tmx, 1 )437 CALL iom_get (inum, jpdom_data, 'field', ebot_iwm, 1 ) 451 438 CALL iom_close(inum) 452 439 ! 453 440 CALL iom_open('mixing_power_pyc',inum) ! energy flux for pynocline-intensified wave breaking [W/m2] 454 CALL iom_get (inum, jpdom_data, 'field', epyc_ tmx, 1 )441 CALL iom_get (inum, jpdom_data, 'field', epyc_iwm, 1 ) 455 442 CALL iom_close(inum) 456 443 ! 457 444 CALL iom_open('mixing_power_cri',inum) ! energy flux for critical slope wave breaking [W/m2] 458 CALL iom_get (inum, jpdom_data, 'field', ecri_ tmx, 1 )445 CALL iom_get (inum, jpdom_data, 'field', ecri_iwm, 1 ) 459 446 CALL iom_close(inum) 460 447 ! 461 448 CALL iom_open('decay_scale_bot',inum) ! spatially variable decay scale for high-mode wave breaking [m] 462 CALL iom_get (inum, jpdom_data, 'field', hbot_ tmx, 1 )449 CALL iom_get (inum, jpdom_data, 'field', hbot_iwm, 1 ) 463 450 CALL iom_close(inum) 464 451 ! 465 452 CALL iom_open('decay_scale_cri',inum) ! spatially variable decay scale for critical slope wave breaking [m] 466 CALL iom_get (inum, jpdom_data, 'field', hcri_ tmx, 1 )453 CALL iom_get (inum, jpdom_data, 'field', hcri_iwm, 1 ) 467 454 CALL iom_close(inum) 468 455 469 ebot_ tmx(:,:) = ebot_tmx(:,:) * ssmask(:,:)470 epyc_ tmx(:,:) = epyc_tmx(:,:) * ssmask(:,:)471 ecri_ tmx(:,:) = ecri_tmx(:,:) * ssmask(:,:)456 ebot_iwm(:,:) = ebot_iwm(:,:) * ssmask(:,:) 457 epyc_iwm(:,:) = epyc_iwm(:,:) * ssmask(:,:) 458 ecri_iwm(:,:) = ecri_iwm(:,:) * ssmask(:,:) 472 459 473 460 ! Set once for all to zero the first and last vertical levels of appropriate variables 474 emix_ tmx(:,:, 1 ) = 0._wp475 emix_ tmx(:,:,jpk) = 0._wp461 emix_iwm (:,:, 1 ) = 0._wp 462 emix_iwm (:,:,jpk) = 0._wp 476 463 zav_ratio(:,:, 1 ) = 0._wp 477 464 zav_ratio(:,:,jpk) = 0._wp … … 479 466 zav_wave (:,:,jpk) = 0._wp 480 467 481 zbot = glob_sum( e1e2t(:,:) * ebot_ tmx(:,:) )482 zpyc = glob_sum( e1e2t(:,:) * epyc_ tmx(:,:) )483 zcri = glob_sum( e1e2t(:,:) * ecri_ tmx(:,:) )468 zbot = glob_sum( e1e2t(:,:) * ebot_iwm(:,:) ) 469 zpyc = glob_sum( e1e2t(:,:) * epyc_iwm(:,:) ) 470 zcri = glob_sum( e1e2t(:,:) * ecri_iwm(:,:) ) 484 471 IF(lwp) THEN 485 472 WRITE(numout,*) ' High-mode wave-breaking energy: ', zbot * 1.e-12_wp, 'TW' … … 488 475 ENDIF 489 476 ! 490 IF( nn_timing == 1 ) CALL timing_stop('zdf_ tmx_init')491 ! 492 END SUBROUTINE zdf_ tmx_init477 IF( nn_timing == 1 ) CALL timing_stop('zdf_iwm_init') 478 ! 479 END SUBROUTINE zdf_iwm_init 493 480 494 481 !!====================================================================== 495 END MODULE zdf tmx482 END MODULE zdfiwm
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