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- 2016-07-19T10:38:35+02:00 (8 years ago)
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branches/NERC/dev_r5549_BDY_ZEROGRAD/NEMOGCM/NEMO/OPA_SRC/step.F90
r5510 r6808 2 2 !!====================================================================== 3 3 !! *** MODULE step *** 4 !! Time-stepping 4 !! Time-stepping : manager of the ocean, tracer and ice time stepping 5 5 !!====================================================================== 6 6 !! History : OPA ! 1991-03 (G. Madec) Original code … … 24 24 !! - ! 2010-10 (C. Ethe, G. Madec) reorganisation of initialisation phase + merge TRC-TRA 25 25 !! 3.4 ! 2011-04 (G. Madec, C. Ethe) Merge of dtatem and dtasal 26 !! ! 2012-07 (J. Simeon, G. Madec, C. Ethe) Online coarsening of outputs 27 !! 3.7 ! 2014-04 (F. Roquet, G. Madec) New equations of state 26 !! 3.6 ! 2012-07 (J. Simeon, G. Madec. C. Ethe) Online coarsening of outputs 27 !! 3.6 ! 2014-04 (F. Roquet, G. Madec) New equations of state 28 !! 3.7 ! 2014-10 (G. Madec) LDF simplication 29 !! - ! 2014-12 (G. Madec) remove KPP scheme 30 !! - ! 2015-11 (J. Chanut) free surface simplification 28 31 !!---------------------------------------------------------------------- 29 32 … … 32 35 !!---------------------------------------------------------------------- 33 36 USE step_oce ! time stepping definition modules 34 USE iom 37 ! 38 USE iom ! xIOs server 35 39 36 40 IMPLICIT NONE 37 41 PRIVATE 38 42 39 PUBLIC stp ! called by opa.F90 40 41 !! * Substitutions 42 # include "domzgr_substitute.h90" 43 !!gm # include "zdfddm_substitute.h90" 44 !!---------------------------------------------------------------------- 45 !! NEMO/OPA 3.7 , NEMO Consortium (2014) 43 PUBLIC stp ! called by nemogcm.F90 44 45 !!---------------------------------------------------------------------- 46 !! NEMO/OPA 3.7 , NEMO Consortium (2015) 46 47 !! $Id$ 47 48 !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) … … 50 51 51 52 #if defined key_agrif 52 SUBROUTINE stp( )53 RECURSIVE SUBROUTINE stp( ) 53 54 INTEGER :: kstp ! ocean time-step index 54 55 #else … … 69 70 !! -5- Compute the momentum trends 70 71 !! -6- Update the horizontal velocity 71 !! -7- Compute the diagnostics variables (rd,N2, div,cur,w)72 !! -7- Compute the diagnostics variables (rd,N2, hdiv,w) 72 73 !! -8- Outputs and diagnostics 73 74 !!---------------------------------------------------------------------- … … 76 77 INTEGER :: kcall ! optional integer argument (dom_vvl_sf_nxt) 77 78 !! --------------------------------------------------------------------- 78 79 79 #if defined key_agrif 80 80 kstp = nit000 + Agrif_Nb_Step() 81 ! IF ( Agrif_Root() .and. lwp) Write(*,*) '---' 82 ! IF (lwp) Write(*,*) 'Grid Number',Agrif_Fixed(),' time step ',kstp 83 IF ( kstp == (nit000 + 1) ) lk_agrif_fstep = .FALSE. 81 IF( lk_agrif_debug ) THEN 82 IF( Agrif_Root() .and. lwp) WRITE(*,*) '---' 83 IF(lwp) WRITE(*,*) 'Grid Number', Agrif_Fixed(),' time step ', kstp, 'int tstep', Agrif_NbStepint() 84 ENDIF 85 IF( kstp == nit000 + 1 ) lk_agrif_fstep = .FALSE. 84 86 # if defined key_iomput 85 87 IF( Agrif_Nbstepint() == 0 ) CALL iom_swap( cxios_context ) 86 88 # endif 87 89 #endif 88 indic = 0 ! reset to no error condition 89 IF( kstp == nit000 ) THEN 90 ! must be done after nemo_init for AGRIF+XIOS+OASIS 91 CALL iom_init( cxios_context ) ! iom_put initialization 92 IF( ln_crs ) CALL iom_init( TRIM(cxios_context)//"_crs" ) ! initialize context for coarse grid 93 ENDIF 94 90 !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 91 ! update I/O and calendar 92 !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 93 indic = 0 ! reset to no error condition 94 95 IF( kstp == nit000 ) THEN ! initialize IOM context (must be done after nemo_init for AGRIF+XIOS+OASIS) 96 CALL iom_init( cxios_context ) ! for model grid (including passible AGRIF zoom) 97 IF( ln_crs ) CALL iom_init( TRIM(cxios_context)//"_crs" ) ! for coarse grid 98 ENDIF 95 99 IF( kstp /= nit000 ) CALL day( kstp ) ! Calendar (day was already called at nit000 in day_init) 96 CALL iom_setkt( kstp - nit000 + 1, cxios_context ) ! tell iom we are at time step kstp 97 IF( ln_crs ) CALL iom_setkt( kstp - nit000 + 1, TRIM(cxios_context)//"_crs" ) ! tell iom we are at time step kstp 98 99 !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 100 ! Update data, open boundaries, surface boundary condition (including sea-ice) 101 !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 102 IF( lk_tide ) CALL sbc_tide( kstp ) 103 IF( lk_bdy ) THEN 104 IF( ln_apr_dyn) CALL sbc_apr( kstp ) ! bdy_dta needs ssh_ib 105 CALL bdy_dta ( kstp, time_offset=+1 ) ! update dynamic & tracer data at open boundaries 106 ENDIF 107 CALL sbc ( kstp ) ! Sea Boundary Condition (including sea-ice) 108 ! clem: moved here for bdy ice purpose 100 CALL iom_setkt( kstp - nit000 + 1, cxios_context ) ! tell IOM we are at time step kstp 101 IF( ln_crs ) CALL iom_setkt( kstp - nit000 + 1, TRIM(cxios_context)//"_crs" ) ! tell IOM we are at time step kstp 102 103 !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 104 ! Update external forcing (tides, open boundaries, and surface boundary condition (including sea-ice) 105 !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 106 IF( lk_tide ) CALL sbc_tide( kstp ) ! update tide potential 107 IF( ln_apr_dyn ) CALL sbc_apr ( kstp ) ! atmospheric pressure (NB: call before bdy_dta which needs ssh_ib) 108 IF( lk_bdy ) CALL bdy_dta ( kstp, time_offset=+1 ) ! update dynamic & tracer data at open boundaries 109 CALL sbc ( kstp ) ! Sea Boundary Condition (including sea-ice) 110 109 111 !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 110 112 ! Update stochastic parameters and random T/S fluctuations 111 113 !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 112 CALL sto_par( kstp ) ! Stochastic parameters114 CALL sto_par( kstp ) ! Stochastic parameters 113 115 114 116 !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> … … 120 122 CALL bn2 ( tsb, rab_b, rn2b ) ! before Brunt-Vaisala frequency 121 123 CALL bn2 ( tsn, rab_n, rn2 ) ! now Brunt-Vaisala frequency 124 122 125 ! 123 126 ! VERTICAL PHYSICS … … 127 130 IF( lk_zdftke ) CALL zdf_tke( kstp ) ! TKE closure scheme for Kz 128 131 IF( lk_zdfgls ) CALL zdf_gls( kstp ) ! GLS closure scheme for Kz 129 IF( lk_zdfkpp ) CALL zdf_kpp( kstp ) ! KPP closure scheme for Kz130 132 IF( lk_zdfcst ) THEN ! Constant Kz (reset avt, avm[uv] to the background value) 131 133 avt (:,:,:) = rn_avt0 * wmask (:,:,:) … … 133 135 avmv(:,:,:) = rn_avm0 * wvmask(:,:,:) 134 136 ENDIF 137 135 138 IF( ln_rnf_mouth ) THEN ! increase diffusivity at rivers mouths 136 DO jk = 2, nkrnf ; avt(:,:,jk) = avt(:,:,jk) + 2. e0* rn_avt_rnf * rnfmsk(:,:) * tmask(:,:,jk) ; END DO139 DO jk = 2, nkrnf ; avt(:,:,jk) = avt(:,:,jk) + 2._wp * rn_avt_rnf * rnfmsk(:,:) * tmask(:,:,jk) ; END DO 137 140 ENDIF 138 141 IF( ln_zdfevd ) CALL zdf_evd( kstp ) ! enhanced vertical eddy diffusivity … … 140 143 IF( lk_zdftmx ) CALL zdf_tmx( kstp ) ! tidal vertical mixing 141 144 142 IF( lk_zdfddm .AND. .NOT. lk_zdfkpp ) & 143 & CALL zdf_ddm( kstp ) ! double diffusive mixing 145 IF( lk_zdfddm ) CALL zdf_ddm( kstp ) ! double diffusive mixing 144 146 145 147 CALL zdf_mxl( kstp ) ! mixed layer depth … … 151 153 ! LATERAL PHYSICS 152 154 ! 153 IF( lk_ldfslp ) THEN ! slope of lateral mixing 155 IF( l_ldfslp ) THEN ! slope of lateral mixing 156 !!gm : why this here ???? 154 157 IF(ln_sto_eos ) CALL sto_pts( tsn ) ! Random T/S fluctuations 158 !!gm 155 159 CALL eos( tsb, rhd, gdept_0(:,:,:) ) ! before in situ density 160 156 161 IF( ln_zps .AND. .NOT. ln_isfcav) & 157 162 & CALL zps_hde ( kstp, jpts, tsb, gtsu, gtsv, & ! Partial steps: before horizontal gradient 158 163 & rhd, gru , grv ) ! of t, s, rd at the last ocean level 164 159 165 IF( ln_zps .AND. ln_isfcav) & 160 & CALL zps_hde_isf( kstp, jpts, tsb, gtsu, gtsv, & ! Partial steps for top cell (ISF) 161 & rhd, gru , grv , aru , arv , gzu , gzv , ge3ru , ge3rv , & 162 & gtui, gtvi, grui, grvi, arui, arvi, gzui, gzvi, ge3rui, ge3rvi ) ! of t, s, rd at the first ocean level 163 IF( ln_traldf_grif ) THEN ! before slope for Griffies operator 164 CALL ldf_slp_grif( kstp ) 165 ELSE 166 CALL ldf_slp( kstp, rhd, rn2b ) ! before slope for Madec operator 166 & CALL zps_hde_isf( kstp, jpts, tsb, gtsu, gtsv, gtui, gtvi, & ! Partial steps for top cell (ISF) 167 & rhd, gru , grv , grui, grvi ) ! of t, s, rd at the first ocean level 168 IF( ln_traldf_triad ) THEN 169 CALL ldf_slp_triad( kstp ) ! before slope for triad operator 170 ELSE 171 CALL ldf_slp ( kstp, rhd, rn2b ) ! before slope for standard operator 167 172 ENDIF 168 173 ENDIF 169 #if defined key_traldf_c2d 170 IF( lk_traldf_eiv ) CALL ldf_eiv( kstp ) ! eddy induced velocity coefficient 171 #endif 172 #if defined key_traldf_c3d && defined key_traldf_smag 173 CALL ldf_tra_smag( kstp ) ! eddy induced velocity coefficient 174 # endif 175 #if defined key_dynldf_c3d && defined key_dynldf_smag 176 CALL ldf_dyn_smag( kstp ) ! eddy induced velocity coefficient 177 # endif 178 179 !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 180 ! Ocean dynamics : hdiv, rot, ssh, e3, wn 181 !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 182 CALL ssh_nxt ( kstp ) ! after ssh (includes call to div_cur) 183 IF( lk_vvl ) CALL dom_vvl_sf_nxt( kstp ) ! after vertical scale factors 184 CALL wzv ( kstp ) ! now cross-level velocity 185 186 IF( lk_dynspg_ts ) THEN 187 ! In case the time splitting case, update almost all momentum trends here: 188 ! Note that the computation of vertical velocity above, hence "after" sea level 189 ! is necessary to compute momentum advection for the rhs of barotropic loop: 190 IF(ln_sto_eos ) CALL sto_pts( tsn ) ! Random T/S fluctuations 191 CALL eos ( tsn, rhd, rhop, fsdept_n(:,:,:) ) ! now in situ density for hpg computation 192 IF( ln_zps .AND. .NOT. ln_isfcav) & 193 & CALL zps_hde ( kstp, jpts, tsn, gtsu, gtsv, & ! Partial steps: before horizontal gradient 194 & rhd, gru , grv ) ! of t, s, rd at the last ocean level 195 IF( ln_zps .AND. ln_isfcav) & 196 & CALL zps_hde_isf( kstp, jpts, tsn, gtsu, gtsv, & ! Partial steps for top cell (ISF) 197 & rhd, gru , grv , aru , arv , gzu , gzv , ge3ru , ge3rv , & 198 & gtui, gtvi, grui, grvi, arui, arvi, gzui, gzvi, ge3rui, ge3rvi ) ! of t, s, rd at the last ocean level 199 200 ua(:,:,:) = 0.e0 ! set dynamics trends to zero 201 va(:,:,:) = 0.e0 202 IF( ln_asmiau .AND. & 203 & ln_dyninc ) CALL dyn_asm_inc ( kstp ) ! apply dynamics assimilation increment 204 IF( ln_neptsimp ) CALL dyn_nept_cor ( kstp ) ! subtract Neptune velocities (simplified) 205 IF( lk_bdy ) CALL bdy_dyn3d_dmp( kstp ) ! bdy damping trends 206 CALL dyn_adv ( kstp ) ! advection (vector or flux form) 207 CALL dyn_vor ( kstp ) ! vorticity term including Coriolis 208 CALL dyn_ldf ( kstp ) ! lateral mixing 209 IF( ln_neptsimp ) CALL dyn_nept_cor ( kstp ) ! add Neptune velocities (simplified) 210 #if defined key_agrif 211 IF(.NOT. Agrif_Root()) CALL Agrif_Sponge_dyn ! momentum sponge 212 #endif 213 CALL dyn_hpg( kstp ) ! horizontal gradient of Hydrostatic pressure 214 CALL dyn_spg( kstp, indic ) ! surface pressure gradient 215 216 ua_sv(:,:,:) = ua(:,:,:) ! Save trends (barotropic trend has been fully updated at this stage) 217 va_sv(:,:,:) = va(:,:,:) 218 219 CALL div_cur( kstp ) ! Horizontal divergence & Relative vorticity (2nd call in time-split case) 220 IF( lk_vvl ) CALL dom_vvl_sf_nxt( kstp, kcall=2 ) ! after vertical scale factors (update depth average component) 221 CALL wzv ( kstp ) ! now cross-level velocity 222 ENDIF 223 174 ! ! eddy diffusivity coeff. and/or eiv coeff. 175 IF( l_ldftra_time .OR. l_ldfeiv_time ) CALL ldf_tra( kstp ) 176 177 !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 178 ! Ocean dynamics : hdiv, ssh, e3, u, v, w 179 !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 180 181 CALL ssh_nxt ( kstp ) ! after ssh (includes call to div_hor) 182 IF(.NOT.ln_linssh ) CALL dom_vvl_sf_nxt( kstp ) ! after vertical scale factors 183 CALL wzv ( kstp ) ! now cross-level velocity 184 !!gm : why also here ???? 185 IF( ln_sto_eos ) CALL sto_pts( tsn ) ! Random T/S fluctuations 186 !!gm 187 CALL eos ( tsn, rhd, rhop, gdept_n(:,:,:) ) ! now in situ density for hpg computation 188 189 !!jc: fs simplification 190 !!jc: lines below are useless if ln_linssh=F. Keep them here (which maintains a bug if ln_linssh=T and ln_zps=T, cf ticket #1636) 191 !! but ensures reproductible results 192 !! with previous versions using split-explicit free surface 193 IF( ln_zps .AND. .NOT. ln_isfcav ) & 194 & CALL zps_hde ( kstp, jpts, tsn, gtsu, gtsv, & ! Partial steps: before horizontal gradient 195 & rhd, gru , grv ) ! of t, s, rd at the last ocean level 196 IF( ln_zps .AND. ln_isfcav ) & 197 & CALL zps_hde_isf( kstp, jpts, tsn, gtsu, gtsv, gtui, gtvi, & ! Partial steps for top cell (ISF) 198 & rhd, gru , grv , grui, grvi ) ! of t, s, rd at the first ocean level 199 !!jc: fs simplification 200 201 ua(:,:,:) = 0._wp ! set dynamics trends to zero 202 va(:,:,:) = 0._wp 203 204 IF( lk_asminc .AND. ln_asmiau .AND. ln_dyninc ) & 205 CALL dyn_asm_inc ( kstp ) ! apply dynamics assimilation increment 206 IF( lk_bdy ) CALL bdy_dyn3d_dmp ( kstp ) ! bdy damping trends 207 #if defined key_agrif 208 IF(.NOT. Agrif_Root()) & 209 & CALL Agrif_Sponge_dyn ! momentum sponge 210 #endif 211 CALL dyn_adv ( kstp ) ! advection (vector or flux form) 212 CALL dyn_vor ( kstp ) ! vorticity term including Coriolis 213 CALL dyn_ldf ( kstp ) ! lateral mixing 214 CALL dyn_hpg ( kstp ) ! horizontal gradient of Hydrostatic pressure 215 CALL dyn_spg ( kstp ) ! surface pressure gradient 216 217 ! With split-explicit free surface, since now transports have been updated and ssha as well 218 IF( ln_dynspg_ts ) THEN ! vertical scale factors and vertical velocity need to be updated 219 CALL div_hor ( kstp ) ! Horizontal divergence (2nd call in time-split case) 220 IF(.NOT.ln_linssh) CALL dom_vvl_sf_nxt( kstp, kcall=2 ) ! after vertical scale factors (update depth average component) 221 CALL wzv ( kstp ) ! now cross-level velocity 222 ENDIF 223 224 CALL dyn_bfr ( kstp ) ! bottom friction 225 CALL dyn_zdf ( kstp ) ! vertical diffusion 226 227 !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 228 ! cool skin 229 !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 230 IF ( ln_diurnal ) CALL stp_diurnal( kstp ) 231 224 232 !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 225 233 ! diagnostics and outputs (ua, va, tsa used as workspace) 226 234 !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 227 IF( lk_floats ) CALL flo_stp( kstp ) ! drifting Floats 228 IF( lk_diahth ) CALL dia_hth( kstp ) ! Thermocline depth (20 degres isotherm depth) 229 IF( .NOT. ln_cpl ) CALL dia_fwb( kstp ) ! Fresh water budget diagnostics 230 IF( lk_diadct ) CALL dia_dct( kstp ) ! Transports 231 IF( lk_diaar5 ) CALL dia_ar5( kstp ) ! ar5 diag 232 IF( lk_diaharm ) CALL dia_harm( kstp ) ! Tidal harmonic analysis 233 CALL dia_wri( kstp ) ! ocean model: outputs 234 ! 235 IF( ln_crs ) CALL crs_fld( kstp ) ! ocean model: online field coarsening & output 236 235 IF( lk_floats ) CALL flo_stp( kstp ) ! drifting Floats 236 IF( nn_diacfl == 1 ) CALL dia_cfl( kstp ) ! Courant number diagnostics 237 IF( lk_diahth ) CALL dia_hth( kstp ) ! Thermocline depth (20 degres isotherm depth) 238 IF(.NOT.ln_cpl ) CALL dia_fwb( kstp ) ! Fresh water budget diagnostics 239 IF( lk_diadct ) CALL dia_dct( kstp ) ! Transports 240 IF( lk_diaar5 ) CALL dia_ar5( kstp ) ! ar5 diag 241 IF( lk_diaharm ) CALL dia_harm( kstp ) ! Tidal harmonic analysis 242 CALL dia_wri( kstp ) ! ocean model: outputs 243 ! 244 IF( ln_crs ) CALL crs_fld ( kstp ) ! ocean model: online field coarsening & output 245 237 246 #if defined key_top 238 247 !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 239 248 ! Passive Tracer Model 240 249 !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 241 CALL trc_stp( kstp ) ! time-stepping 242 #endif 243 244 245 !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 246 ! Active tracers (ua, va used as workspace) 247 !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 248 tsa(:,:,:,:) = 0.e0 ! set tracer trends to zero 249 250 IF( ln_asmiau .AND. & 251 & ln_trainc ) CALL tra_asm_inc( kstp ) ! apply tracer assimilation increment 252 CALL tra_sbc ( kstp ) ! surface boundary condition 253 IF( ln_traqsr ) CALL tra_qsr ( kstp ) ! penetrative solar radiation qsr 254 IF( ln_trabbc ) CALL tra_bbc ( kstp ) ! bottom heat flux 255 IF( lk_trabbl ) CALL tra_bbl ( kstp ) ! advective (and/or diffusive) bottom boundary layer scheme 256 IF( ln_tradmp ) CALL tra_dmp ( kstp ) ! internal damping trends 257 IF( lk_bdy ) CALL bdy_tra_dmp( kstp ) ! bdy damping trends 258 CALL tra_adv ( kstp ) ! horizontal & vertical advection 259 IF( lk_zdfkpp ) CALL tra_kpp ( kstp ) ! KPP non-local tracer fluxes 260 CALL tra_ldf ( kstp ) ! lateral mixing 261 262 IF( ln_diaptr ) CALL dia_ptr ! Poleward adv/ldf TRansports diagnostics 263 264 #if defined key_agrif 265 IF(.NOT. Agrif_Root()) CALL Agrif_Sponge_tra ! tracers sponge 266 #endif 267 CALL tra_zdf ( kstp ) ! vertical mixing and after tracer fields 268 269 IF( ln_dynhpg_imp ) THEN ! semi-implicit hpg (time stepping then eos) 270 IF( ln_zdfnpc ) CALL tra_npc( kstp ) ! update after fields by non-penetrative convection 271 CALL tra_nxt( kstp ) ! tracer fields at next time step 272 IF( ln_sto_eos ) CALL sto_pts( tsn ) ! Random T/S fluctuations 273 CALL eos ( tsa, rhd, rhop, fsdept_n(:,:,:) ) ! Time-filtered in situ density for hpg computation 274 IF( ln_zps .AND. .NOT. ln_isfcav) & 275 & CALL zps_hde ( kstp, jpts, tsa, gtsu, gtsv, & ! Partial steps: before horizontal gradient 276 & rhd, gru , grv ) ! of t, s, rd at the last ocean level 277 IF( ln_zps .AND. ln_isfcav) & 278 & CALL zps_hde_isf( kstp, jpts, tsa, gtsu, gtsv, & ! Partial steps for top cell (ISF) 279 & rhd, gru , grv , aru , arv , gzu , gzv , ge3ru , ge3rv , & 280 & gtui, gtvi, grui, grvi, arui, arvi, gzui, gzvi, ge3rui, ge3rvi ) ! of t, s, rd at the last ocean level 281 ELSE ! centered hpg (eos then time stepping) 282 IF ( .NOT. lk_dynspg_ts ) THEN ! eos already called in time-split case 283 IF( ln_sto_eos ) CALL sto_pts( tsn ) ! Random T/S fluctuations 284 CALL eos ( tsn, rhd, rhop, fsdept_n(:,:,:) ) ! now in situ density for hpg computation 285 IF( ln_zps .AND. .NOT. ln_isfcav) & 286 & CALL zps_hde ( kstp, jpts, tsn, gtsu, gtsv, & ! Partial steps: before horizontal gradient 287 & rhd, gru , grv ) ! of t, s, rd at the last ocean level 288 IF( ln_zps .AND. ln_isfcav) & 289 & CALL zps_hde_isf( kstp, jpts, tsn, gtsu, gtsv, & ! Partial steps for top cell (ISF) 290 & rhd, gru , grv , aru , arv , gzu , gzv , ge3ru , ge3rv , & 291 & gtui, gtvi, grui, grvi, arui, arvi, gzui, gzvi, ge3rui, ge3rvi ) ! of t, s, rd at the last ocean level 292 ENDIF 293 IF( ln_zdfnpc ) CALL tra_npc( kstp ) ! update after fields by non-penetrative convection 294 CALL tra_nxt( kstp ) ! tracer fields at next time step 295 ENDIF 296 297 !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 298 ! Dynamics (tsa used as workspace) 299 !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 300 IF( lk_dynspg_ts ) THEN 301 ! revert to previously computed momentum tendencies 302 ! (not using ua, va as temporary arrays during tracers' update could avoid that) 303 ua(:,:,:) = ua_sv(:,:,:) 304 va(:,:,:) = va_sv(:,:,:) 305 ! Revert now divergence and rotational to previously computed ones 306 !(needed because of the time swap in div_cur, at the beginning of each time step) 307 hdivn(:,:,:) = hdivb(:,:,:) 308 rotn(:,:,:) = rotb(:,:,:) 309 310 CALL dyn_bfr( kstp ) ! bottom friction 311 CALL dyn_zdf( kstp ) ! vertical diffusion 312 ELSE 313 ua(:,:,:) = 0.e0 ! set dynamics trends to zero 314 va(:,:,:) = 0.e0 315 316 IF( ln_asmiau .AND. & 317 & ln_dyninc ) CALL dyn_asm_inc( kstp ) ! apply dynamics assimilation increment 318 IF( ln_bkgwri ) CALL asm_bkg_wri( kstp ) ! output background fields 319 IF( ln_neptsimp ) CALL dyn_nept_cor( kstp ) ! subtract Neptune velocities (simplified) 320 IF( lk_bdy ) CALL bdy_dyn3d_dmp(kstp ) ! bdy damping trends 321 CALL dyn_adv( kstp ) ! advection (vector or flux form) 322 CALL dyn_vor( kstp ) ! vorticity term including Coriolis 323 CALL dyn_ldf( kstp ) ! lateral mixing 324 IF( ln_neptsimp ) CALL dyn_nept_cor( kstp ) ! add Neptune velocities (simplified) 325 #if defined key_agrif 326 IF(.NOT. Agrif_Root()) CALL Agrif_Sponge_dyn ! momemtum sponge 327 #endif 328 CALL dyn_hpg( kstp ) ! horizontal gradient of Hydrostatic pressure 329 CALL dyn_bfr( kstp ) ! bottom friction 330 CALL dyn_zdf( kstp ) ! vertical diffusion 331 CALL dyn_spg( kstp, indic ) ! surface pressure gradient 332 ENDIF 333 CALL dyn_nxt( kstp ) ! lateral velocity at next time step 334 335 CALL ssh_swp( kstp ) ! swap of sea surface height 336 IF( lk_vvl ) CALL dom_vvl_sf_swp( kstp ) ! swap of vertical scale factors 337 338 IF( ln_diahsb ) CALL dia_hsb( kstp ) ! - ML - global conservation diagnostics 339 IF( lk_diaobs ) CALL dia_obs( kstp ) ! obs-minus-model (assimilation) diagnostics (call after dynamics update) 340 341 !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 342 ! Control and restarts 343 !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 344 CALL stp_ctl( kstp, indic ) 345 IF( indic < 0 ) THEN 346 CALL ctl_stop( 'step: indic < 0' ) 347 CALL dia_wri_state( 'output.abort', kstp ) 348 ENDIF 349 IF( kstp == nit000 ) THEN 250 CALL trc_stp ( kstp ) ! time-stepping 251 #endif 252 253 !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 254 ! Active tracers 255 !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 256 tsa(:,:,:,:) = 0._wp ! set tracer trends to zero 257 258 IF( lk_asminc .AND. ln_asmiau .AND. & 259 & ln_trainc ) CALL tra_asm_inc ( kstp ) ! apply tracer assimilation increment 260 CALL tra_sbc ( kstp ) ! surface boundary condition 261 IF( ln_traqsr ) CALL tra_qsr ( kstp ) ! penetrative solar radiation qsr 262 IF( ln_trabbc ) CALL tra_bbc ( kstp ) ! bottom heat flux 263 IF( lk_trabbl ) CALL tra_bbl ( kstp ) ! advective (and/or diffusive) bottom boundary layer scheme 264 IF( ln_tradmp ) CALL tra_dmp ( kstp ) ! internal damping trends 265 IF( lk_bdy ) CALL bdy_tra_dmp ( kstp ) ! bdy damping trends 266 #if defined key_agrif 267 IF(.NOT. Agrif_Root()) & 268 & CALL Agrif_Sponge_tra ! tracers sponge 269 #endif 270 CALL tra_adv ( kstp ) ! horizontal & vertical advection 271 CALL tra_ldf ( kstp ) ! lateral mixing 272 273 !!gm : why CALL to dia_ptr has been moved here??? (use trends info?) 274 IF( ln_diaptr ) CALL dia_ptr ! Poleward adv/ldf TRansports diagnostics 275 !!gm 276 CALL tra_zdf ( kstp ) ! vertical mixing and after tracer fields 277 IF( ln_zdfnpc ) CALL tra_npc ( kstp ) ! update after fields by non-penetrative convection 278 279 !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 280 ! Set boundary conditions and Swap 281 !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 282 !!jc1: For agrif, it would be much better to finalize tracers/momentum here (e.g. bdy conditions) and move the swap 283 !! (and time filtering) after Agrif update. Then restart would be done after and would contain updated fields. 284 !! If so: 285 !! (i) no need to call agrif update at initialization time 286 !! (ii) no need to update "before" fields 287 !! 288 !! Apart from creating new tra_swp/dyn_swp routines, this however: 289 !! (i) makes boundary conditions at initialization time computed from updated fields which is not the case between 290 !! two restarts => restartability issue. One can circumvent this, maybe, by assuming "interface separation", 291 !! e.g. a shift of the feedback interface inside child domain. 292 !! (ii) requires that all restart outputs of updated variables by agrif (e.g. passive tracers/tke/barotropic arrays) are done at the same 293 !! place. 294 !! 295 !!jc2: dynnxt must be the latest call. e3t_b are indeed updated in that routine 296 CALL tra_nxt ( kstp ) ! finalize (bcs) tracer fields at next time step and swap 297 CALL dyn_nxt ( kstp ) ! finalize (bcs) velocities at next time step and swap 298 CALL ssh_swp ( kstp ) ! swap of sea surface height 299 IF(.NOT.ln_linssh) CALL dom_vvl_sf_swp( kstp ) ! swap of vertical scale factors 300 ! 301 302 !!gm : This does not only concern the dynamics ==>>> add a new title 303 !!gm2: why ouput restart before AGRIF update? 304 !! 305 !!jc: That would be better, but see comment above 306 !! 307 IF( lrst_oce ) CALL rst_write ( kstp ) ! write output ocean restart file 308 309 #if defined key_agrif 310 !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 311 ! AGRIF 312 !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 313 CALL Agrif_Integrate_ChildGrids( stp ) 314 315 IF( Agrif_NbStepint() == 0 ) THEN ! AGRIF Update 316 !!jc in fact update is useless at last time step, but do it for global diagnostics 317 CALL Agrif_Update_Tra() ! Update active tracers 318 CALL Agrif_Update_Dyn() ! Update momentum 319 ENDIF 320 #endif 321 IF( ln_diahsb ) CALL dia_hsb( kstp ) ! - ML - global conservation diagnostics 322 IF( ln_diaobs ) CALL dia_obs( kstp ) ! obs-minus-model (assimilation) diagnostics (call after dynamics update) 323 324 !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 325 ! Control 326 !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 327 CALL stp_ctl ( kstp, indic ) 328 IF( indic < 0 ) THEN 329 CALL ctl_stop( 'step: indic < 0' ) 330 CALL dia_wri_state( 'output.abort', kstp ) 331 ENDIF 332 IF( kstp == nit000 ) THEN 350 333 CALL iom_close( numror ) ! close input ocean restart file 351 334 IF(lwm) CALL FLUSH ( numond ) ! flush output namelist oce 352 IF( lwm.AND.numoni /= -1 ) CALL FLUSH ( numoni ) ! flush output namelist ice353 ENDIF354 IF( lrst_oce ) CALL rst_write ( kstp ) ! write output ocean restart file335 IF(lwm.AND.numoni /= -1 ) & 336 & CALL FLUSH ( numoni ) ! flush output namelist ice (if exist) 337 ENDIF 355 338 356 339 !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 357 340 ! Coupled mode 358 341 !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 359 IF( lk_oasis ) CALL sbc_cpl_snd( kstp ) ! coupled mode : field exchanges 342 !!gm why lk_oasis and not lk_cpl ???? 343 IF( lk_oasis ) CALL sbc_cpl_snd( kstp ) ! coupled mode : field exchanges 360 344 ! 361 345 #if defined key_iomput … … 369 353 ! 370 354 END SUBROUTINE stp 371 372 !!====================================================================== 355 373 356 END MODULE step
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