1 | MODULE step |
---|
2 | !!====================================================================== |
---|
3 | !! *** MODULE step *** |
---|
4 | !! Time-stepping : manager of the ocean, tracer and ice time stepping |
---|
5 | !!====================================================================== |
---|
6 | !! History : OPA ! 1991-03 (G. Madec) Original code |
---|
7 | !! - ! 1991-11 (G. Madec) |
---|
8 | !! - ! 1992-06 (M. Imbard) add a first output record |
---|
9 | !! - ! 1996-04 (G. Madec) introduction of dynspg |
---|
10 | !! - ! 1996-04 (M.A. Foujols) introduction of passive tracer |
---|
11 | !! 8.0 ! 1997-06 (G. Madec) new architecture of call |
---|
12 | !! 8.2 ! 1997-06 (G. Madec, M. Imbard, G. Roullet) free surface |
---|
13 | !! - ! 1999-02 (G. Madec, N. Grima) hpg implicit |
---|
14 | !! - ! 2000-07 (J-M Molines, M. Imbard) Open Bondary Conditions |
---|
15 | !! NEMO 1.0 ! 2002-06 (G. Madec) free form, suppress macro-tasking |
---|
16 | !! - ! 2004-08 (C. Talandier) New trends organization |
---|
17 | !! - ! 2005-01 (C. Ethe) Add the KPP closure scheme |
---|
18 | !! - ! 2005-11 (G. Madec) Reorganisation of tra and dyn calls |
---|
19 | !! - ! 2006-01 (L. Debreu, C. Mazauric) Agrif implementation |
---|
20 | !! - ! 2006-07 (S. Masson) restart using iom |
---|
21 | !! 3.2 ! 2009-02 (G. Madec, R. Benshila) reintroduicing z*-coordinate |
---|
22 | !! - ! 2009-06 (S. Masson, G. Madec) TKE restart compatible with key_cpl |
---|
23 | !! 3.3 ! 2010-05 (K. Mogensen, A. Weaver, M. Martin, D. Lea) Assimilation interface |
---|
24 | !! - ! 2010-10 (C. Ethe, G. Madec) reorganisation of initialisation phase + merge TRC-TRA |
---|
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 |
---|
28 | !!---------------------------------------------------------------------- |
---|
29 | |
---|
30 | !!---------------------------------------------------------------------- |
---|
31 | !! stp : OPA system time-stepping |
---|
32 | !!---------------------------------------------------------------------- |
---|
33 | USE step_oce ! time stepping definition modules |
---|
34 | USE iom |
---|
35 | USE lbclnk |
---|
36 | |
---|
37 | IMPLICIT NONE |
---|
38 | PRIVATE |
---|
39 | |
---|
40 | PUBLIC stp ! called by opa.F90 |
---|
41 | |
---|
42 | !! * Substitutions |
---|
43 | # include "domzgr_substitute.h90" |
---|
44 | !!gm # include "zdfddm_substitute.h90" |
---|
45 | !!---------------------------------------------------------------------- |
---|
46 | !! NEMO/OPA 3.7 , NEMO Consortium (2014) |
---|
47 | !! $Id$ |
---|
48 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
---|
49 | !!---------------------------------------------------------------------- |
---|
50 | CONTAINS |
---|
51 | |
---|
52 | #if defined key_agrif |
---|
53 | RECURSIVE SUBROUTINE stp( ) |
---|
54 | INTEGER :: kstp ! ocean time-step index |
---|
55 | #else |
---|
56 | SUBROUTINE stp( kstp ) |
---|
57 | INTEGER, INTENT(in) :: kstp ! ocean time-step index |
---|
58 | #endif |
---|
59 | !!---------------------------------------------------------------------- |
---|
60 | !! *** ROUTINE stp *** |
---|
61 | !! |
---|
62 | !! ** Purpose : - Time stepping of OPA (momentum and active tracer eqs.) |
---|
63 | !! - Time stepping of LIM (dynamic and thermodynamic eqs.) |
---|
64 | !! - Tme stepping of TRC (passive tracer eqs.) |
---|
65 | !! |
---|
66 | !! ** Method : -1- Update forcings and data |
---|
67 | !! -2- Update ocean physics |
---|
68 | !! -3- Compute the t and s trends |
---|
69 | !! -4- Update t and s |
---|
70 | !! -5- Compute the momentum trends |
---|
71 | !! -6- Update the horizontal velocity |
---|
72 | !! -7- Compute the diagnostics variables (rd,N2, div,cur,w) |
---|
73 | !! -8- Outputs and diagnostics |
---|
74 | !!---------------------------------------------------------------------- |
---|
75 | INTEGER :: jk ! dummy loop indice |
---|
76 | INTEGER :: tind ! tracer loop index |
---|
77 | INTEGER :: indic ! error indicator if < 0 |
---|
78 | INTEGER :: kcall ! optional integer argument (dom_vvl_sf_nxt) |
---|
79 | !! --------------------------------------------------------------------- |
---|
80 | |
---|
81 | #if defined key_agrif |
---|
82 | kstp = nit000 + Agrif_Nb_Step() |
---|
83 | IF ( lk_agrif_debug ) THEN |
---|
84 | IF ( Agrif_Root() .and. lwp) Write(*,*) '---' |
---|
85 | IF (lwp) Write(*,*) 'Grid Number',Agrif_Fixed(),' time step ',kstp, 'int tstep',Agrif_NbStepint() |
---|
86 | ENDIF |
---|
87 | |
---|
88 | IF ( kstp == (nit000 + 1) ) lk_agrif_fstep = .FALSE. |
---|
89 | |
---|
90 | # if defined key_iomput |
---|
91 | IF( Agrif_Nbstepint() == 0 ) CALL iom_swap( cxios_context ) |
---|
92 | # endif |
---|
93 | #endif |
---|
94 | indic = 0 ! reset to no error condition |
---|
95 | IF( kstp == nit000 ) THEN |
---|
96 | ! must be done after nemo_init for AGRIF+XIOS+OASIS |
---|
97 | CALL iom_init( cxios_context ) ! iom_put initialization |
---|
98 | IF( ln_crs ) CALL iom_init( TRIM(cxios_context)//"_crs" ) ! initialize context for coarse grid |
---|
99 | ENDIF |
---|
100 | |
---|
101 | IF( kstp /= nit000 ) CALL day( kstp ) ! Calendar (day was already called at nit000 in day_init) |
---|
102 | CALL iom_setkt( kstp - nit000 + 1, cxios_context ) ! tell iom we are at time step kstp |
---|
103 | IF( ln_crs ) CALL iom_setkt( kstp - nit000 + 1, TRIM(cxios_context)//"_crs" ) ! tell iom we are at time step kstp |
---|
104 | |
---|
105 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
---|
106 | ! Update data, open boundaries, surface boundary condition (including sea-ice) |
---|
107 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
---|
108 | IF( lk_tide ) CALL sbc_tide( kstp ) |
---|
109 | IF( lk_bdy ) THEN |
---|
110 | IF( ln_apr_dyn) CALL sbc_apr( kstp ) ! bdy_dta needs ssh_ib |
---|
111 | CALL bdy_dta ( kstp, time_offset=+1 ) ! update dynamic & tracer data at open boundaries |
---|
112 | ENDIF |
---|
113 | |
---|
114 | ! We must ensure that tsb halos are up to date on EVERY timestep. |
---|
115 | DO tind = 1, jpts |
---|
116 | CALL lbc_lnk( tsb(:,:,:,tind), 'T', 1. ) |
---|
117 | END DO |
---|
118 | |
---|
119 | CALL sbc ( kstp ) ! Sea Boundary Condition (including sea-ice) |
---|
120 | ! clem: moved here for bdy ice purpose |
---|
121 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
---|
122 | ! Update stochastic parameters and random T/S fluctuations |
---|
123 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
---|
124 | IF( ln_sto_eos ) CALL sto_par( kstp ) ! Stochastic parameters |
---|
125 | IF( ln_sto_eos ) CALL sto_pts( tsn ) ! Random T/S fluctuations |
---|
126 | |
---|
127 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
---|
128 | ! Ocean physics update (ua, va, tsa used as workspace) |
---|
129 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
---|
130 | ! THERMODYNAMICS |
---|
131 | CALL eos_rab( tsb, rab_b ) ! before local thermal/haline expension ratio at T-points |
---|
132 | CALL eos_rab( tsn, rab_n ) ! now local thermal/haline expension ratio at T-points |
---|
133 | CALL bn2 ( tsb, rab_b, rn2b ) ! before Brunt-Vaisala frequency |
---|
134 | CALL bn2 ( tsn, rab_n, rn2 ) ! now Brunt-Vaisala frequency |
---|
135 | ! |
---|
136 | ! VERTICAL PHYSICS |
---|
137 | CALL zdf_bfr( kstp ) ! bottom friction (if quadratic) |
---|
138 | ! ! Vertical eddy viscosity and diffusivity coefficients |
---|
139 | IF( lk_zdfric ) CALL zdf_ric( kstp ) ! Richardson number dependent Kz |
---|
140 | IF( lk_zdftke ) CALL zdf_tke( kstp ) ! TKE closure scheme for Kz |
---|
141 | IF( lk_zdfgls ) CALL zdf_gls( kstp ) ! GLS closure scheme for Kz |
---|
142 | IF( lk_zdfkpp ) CALL zdf_kpp( kstp ) ! KPP closure scheme for Kz |
---|
143 | IF( lk_zdfcst ) THEN ! Constant Kz (reset avt, avm[uv] to the background value) |
---|
144 | avt (:,:,:) = rn_avt0 * wmask (:,:,:) |
---|
145 | avmu(:,:,:) = rn_avm0 * wumask(:,:,:) |
---|
146 | avmv(:,:,:) = rn_avm0 * wvmask(:,:,:) |
---|
147 | ENDIF |
---|
148 | IF( ln_rnf_mouth ) THEN ! increase diffusivity at rivers mouths |
---|
149 | DO jk = 2, nkrnf ; avt(:,:,jk) = avt(:,:,jk) + 2.e0 * rn_avt_rnf * rnfmsk(:,:) * tmask(:,:,jk) ; END DO |
---|
150 | ENDIF |
---|
151 | IF( ln_zdfevd ) CALL zdf_evd( kstp ) ! enhanced vertical eddy diffusivity |
---|
152 | |
---|
153 | IF( lk_zdftmx ) CALL zdf_tmx( kstp ) ! tidal vertical mixing |
---|
154 | |
---|
155 | IF( lk_zdfddm .AND. .NOT. lk_zdfkpp ) & |
---|
156 | & CALL zdf_ddm( kstp ) ! double diffusive mixing |
---|
157 | |
---|
158 | CALL zdf_mxl( kstp ) ! mixed layer depth |
---|
159 | |
---|
160 | ! write TKE or GLS information in the restart file |
---|
161 | IF( lrst_oce .AND. lk_zdftke ) CALL tke_rst( kstp, 'WRITE' ) |
---|
162 | IF( lrst_oce .AND. lk_zdfgls ) CALL gls_rst( kstp, 'WRITE' ) |
---|
163 | ! |
---|
164 | ! LATERAL PHYSICS |
---|
165 | ! |
---|
166 | IF( lk_ldfslp ) THEN ! slope of lateral mixing |
---|
167 | CALL eos( tsb, rhd, gdept_0(:,:,:) ) ! before in situ density |
---|
168 | IF( ln_zps .AND. .NOT. ln_isfcav) & |
---|
169 | & CALL zps_hde ( kstp, jpts, tsb, gtsu, gtsv, & ! Partial steps: before horizontal gradient |
---|
170 | & rhd, gru , grv ) ! of t, s, rd at the last ocean level |
---|
171 | IF( ln_zps .AND. ln_isfcav) & |
---|
172 | & CALL zps_hde_isf( kstp, jpts, tsb, gtsu, gtsv, & ! Partial steps for top cell (ISF) |
---|
173 | & rhd, gru , grv , aru , arv , gzu , gzv , ge3ru , ge3rv , & |
---|
174 | & gtui, gtvi, grui, grvi, arui, arvi, gzui, gzvi, ge3rui, ge3rvi ) ! of t, s, rd at the first ocean level |
---|
175 | IF( ln_traldf_grif ) THEN ! before slope for Griffies operator |
---|
176 | CALL ldf_slp_grif( kstp ) |
---|
177 | ELSE |
---|
178 | CALL ldf_slp( kstp, rhd, rn2b ) ! before slope for Madec operator |
---|
179 | ENDIF |
---|
180 | ENDIF |
---|
181 | #if defined key_traldf_c2d |
---|
182 | IF( lk_traldf_eiv ) CALL ldf_eiv( kstp ) ! eddy induced velocity coefficient |
---|
183 | #endif |
---|
184 | #if defined key_traldf_c3d && defined key_traldf_smag |
---|
185 | CALL ldf_tra_smag( kstp ) ! eddy induced velocity coefficient |
---|
186 | # endif |
---|
187 | #if defined key_dynldf_c3d && defined key_dynldf_smag |
---|
188 | CALL ldf_dyn_smag( kstp ) ! eddy induced velocity coefficient |
---|
189 | # endif |
---|
190 | |
---|
191 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
---|
192 | ! Ocean dynamics : hdiv, rot, ssh, e3, wn |
---|
193 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
---|
194 | CALL ssh_nxt ( kstp ) ! after ssh (includes call to div_cur) |
---|
195 | IF( lk_vvl ) CALL dom_vvl_sf_nxt( kstp ) ! after vertical scale factors |
---|
196 | CALL wzv ( kstp ) ! now cross-level velocity |
---|
197 | |
---|
198 | IF( lk_dynspg_ts ) THEN |
---|
199 | ! In case the time splitting case, update almost all momentum trends here: |
---|
200 | ! Note that the computation of vertical velocity above, hence "after" sea level |
---|
201 | ! is necessary to compute momentum advection for the rhs of barotropic loop: |
---|
202 | CALL eos ( tsn, rhd, rhop, fsdept_n(:,:,:) ) ! now in situ density for hpg computation |
---|
203 | IF( ln_zps .AND. .NOT. ln_isfcav) & |
---|
204 | & CALL zps_hde ( kstp, jpts, tsn, gtsu, gtsv, & ! Partial steps: before horizontal gradient |
---|
205 | & rhd, gru , grv ) ! of t, s, rd at the last ocean level |
---|
206 | IF( ln_zps .AND. ln_isfcav) & |
---|
207 | & CALL zps_hde_isf( kstp, jpts, tsn, gtsu, gtsv, & ! Partial steps for top cell (ISF) |
---|
208 | & rhd, gru , grv , aru , arv , gzu , gzv , ge3ru , ge3rv , & |
---|
209 | & gtui, gtvi, grui, grvi, arui, arvi, gzui, gzvi, ge3rui, ge3rvi ) ! of t, s, rd at the last ocean level |
---|
210 | |
---|
211 | ua(:,:,:) = 0.e0 ! set dynamics trends to zero |
---|
212 | va(:,:,:) = 0.e0 |
---|
213 | IF( lk_asminc .AND. ln_asmiau .AND. & |
---|
214 | & ln_dyninc ) CALL dyn_asm_inc ( kstp ) ! apply dynamics assimilation increment |
---|
215 | IF( ln_neptsimp ) CALL dyn_nept_cor ( kstp ) ! subtract Neptune velocities (simplified) |
---|
216 | IF( lk_bdy ) CALL bdy_dyn3d_dmp( kstp ) ! bdy damping trends |
---|
217 | CALL dyn_adv ( kstp ) ! advection (vector or flux form) |
---|
218 | CALL dyn_vor ( kstp ) ! vorticity term including Coriolis |
---|
219 | CALL dyn_ldf ( kstp ) ! lateral mixing |
---|
220 | IF( ln_neptsimp ) CALL dyn_nept_cor ( kstp ) ! add Neptune velocities (simplified) |
---|
221 | #if defined key_agrif |
---|
222 | IF(.NOT. Agrif_Root()) CALL Agrif_Sponge_dyn ! momentum sponge |
---|
223 | #endif |
---|
224 | CALL dyn_hpg( kstp ) ! horizontal gradient of Hydrostatic pressure |
---|
225 | CALL dyn_spg( kstp, indic ) ! surface pressure gradient |
---|
226 | |
---|
227 | ua_sv(:,:,:) = ua(:,:,:) ! Save trends (barotropic trend has been fully updated at this stage) |
---|
228 | va_sv(:,:,:) = va(:,:,:) |
---|
229 | |
---|
230 | CALL div_cur( kstp ) ! Horizontal divergence & Relative vorticity (2nd call in time-split case) |
---|
231 | IF( lk_vvl ) CALL dom_vvl_sf_nxt( kstp, kcall=2 ) ! after vertical scale factors (update depth average component) |
---|
232 | CALL wzv ( kstp ) ! now cross-level velocity |
---|
233 | ENDIF |
---|
234 | |
---|
235 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
---|
236 | ! diagnostics and outputs (ua, va, tsa used as workspace) |
---|
237 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
---|
238 | IF( lk_floats ) CALL flo_stp( kstp ) ! drifting Floats |
---|
239 | IF( lk_diahth ) CALL dia_hth( kstp ) ! Thermocline depth (20 degres isotherm depth) |
---|
240 | IF( .NOT. ln_cpl ) CALL dia_fwb( kstp ) ! Fresh water budget diagnostics |
---|
241 | IF( lk_diadct ) CALL dia_dct( kstp ) ! Transports |
---|
242 | IF( lk_diaar5 ) CALL dia_ar5( kstp ) ! ar5 diag |
---|
243 | IF( lk_diaharm ) CALL dia_harm( kstp ) ! Tidal harmonic analysis |
---|
244 | CALL dia_prod( kstp ) ! ocean model: product diagnostics |
---|
245 | CALL dia_wri( kstp ) ! ocean model: outputs |
---|
246 | ! |
---|
247 | IF( ln_crs ) CALL crs_fld( kstp ) ! ocean model: online field coarsening & output |
---|
248 | |
---|
249 | #if defined key_top |
---|
250 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
---|
251 | ! Passive Tracer Model |
---|
252 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
---|
253 | CALL trc_stp( kstp ) ! time-stepping |
---|
254 | #endif |
---|
255 | |
---|
256 | |
---|
257 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
---|
258 | ! Active tracers (ua, va used as workspace) |
---|
259 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
---|
260 | tsa(:,:,:,:) = 0.e0 ! set tracer trends to zero |
---|
261 | |
---|
262 | IF( lk_asminc .AND. ln_asmiau .AND. & |
---|
263 | & ln_trainc ) CALL tra_asm_inc( kstp ) ! apply tracer assimilation increment |
---|
264 | CALL tra_sbc ( kstp ) ! surface boundary condition |
---|
265 | IF( ln_traqsr ) CALL tra_qsr ( kstp ) ! penetrative solar radiation qsr |
---|
266 | IF( ln_trabbc ) CALL tra_bbc ( kstp ) ! bottom heat flux |
---|
267 | IF( lk_trabbl ) CALL tra_bbl ( kstp ) ! advective (and/or diffusive) bottom boundary layer scheme |
---|
268 | IF( ln_tradmp ) CALL tra_dmp ( kstp ) ! internal damping trends |
---|
269 | IF( lk_bdy ) CALL bdy_tra_dmp( kstp ) ! bdy damping trends |
---|
270 | CALL tra_adv ( kstp ) ! horizontal & vertical advection |
---|
271 | IF( lk_zdfkpp ) CALL tra_kpp ( kstp ) ! KPP non-local tracer fluxes |
---|
272 | CALL tra_ldf ( kstp ) ! lateral mixing |
---|
273 | |
---|
274 | IF( ln_diaptr ) CALL dia_ptr ! Poleward adv/ldf TRansports diagnostics |
---|
275 | |
---|
276 | #if defined key_agrif |
---|
277 | IF(.NOT. Agrif_Root()) CALL Agrif_Sponge_tra ! tracers sponge |
---|
278 | #endif |
---|
279 | CALL tra_zdf ( kstp ) ! vertical mixing and after tracer fields |
---|
280 | |
---|
281 | IF( ln_dynhpg_imp ) THEN ! semi-implicit hpg (time stepping then eos) |
---|
282 | IF( ln_zdfnpc ) CALL tra_npc( kstp ) ! update after fields by non-penetrative convection |
---|
283 | CALL tra_nxt( kstp ) ! tracer fields at next time step |
---|
284 | CALL eos ( tsa, rhd, rhop, fsdept_n(:,:,:) ) ! Time-filtered in situ density for hpg computation |
---|
285 | IF( ln_zps .AND. .NOT. ln_isfcav) & |
---|
286 | & CALL zps_hde ( kstp, jpts, tsa, 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, tsa, 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 | ELSE ! centered hpg (eos then time stepping) |
---|
293 | IF ( .NOT. lk_dynspg_ts ) THEN ! eos already called in time-split case |
---|
294 | CALL eos ( tsn, rhd, rhop, fsdept_n(:,:,:) ) ! now in situ density for hpg computation |
---|
295 | IF( ln_zps .AND. .NOT. ln_isfcav) & |
---|
296 | & CALL zps_hde ( kstp, jpts, tsn, gtsu, gtsv, & ! Partial steps: before horizontal gradient |
---|
297 | & rhd, gru , grv ) ! of t, s, rd at the last ocean level |
---|
298 | IF( ln_zps .AND. ln_isfcav) & |
---|
299 | & CALL zps_hde_isf( kstp, jpts, tsn, gtsu, gtsv, & ! Partial steps for top cell (ISF) |
---|
300 | & rhd, gru , grv , aru , arv , gzu , gzv , ge3ru , ge3rv , & |
---|
301 | & gtui, gtvi, grui, grvi, arui, arvi, gzui, gzvi, ge3rui, ge3rvi ) ! of t, s, rd at the last ocean level |
---|
302 | ENDIF |
---|
303 | IF( ln_zdfnpc ) CALL tra_npc( kstp ) ! update after fields by non-penetrative convection |
---|
304 | CALL tra_nxt( kstp ) ! tracer fields at next time step |
---|
305 | ENDIF |
---|
306 | |
---|
307 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
---|
308 | ! Dynamics (tsa used as workspace) |
---|
309 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
---|
310 | IF( lk_dynspg_ts ) THEN |
---|
311 | ! revert to previously computed momentum tendencies |
---|
312 | ! (not using ua, va as temporary arrays during tracers' update could avoid that) |
---|
313 | ua(:,:,:) = ua_sv(:,:,:) |
---|
314 | va(:,:,:) = va_sv(:,:,:) |
---|
315 | ! Revert now divergence and rotational to previously computed ones |
---|
316 | !(needed because of the time swap in div_cur, at the beginning of each time step) |
---|
317 | hdivn(:,:,:) = hdivb(:,:,:) |
---|
318 | rotn(:,:,:) = rotb(:,:,:) |
---|
319 | |
---|
320 | CALL dyn_bfr( kstp ) ! bottom friction |
---|
321 | CALL dyn_zdf( kstp ) ! vertical diffusion |
---|
322 | ELSE |
---|
323 | ua(:,:,:) = 0.e0 ! set dynamics trends to zero |
---|
324 | va(:,:,:) = 0.e0 |
---|
325 | |
---|
326 | IF( lk_asminc .AND. ln_asmiau .AND. & |
---|
327 | & ln_dyninc ) CALL dyn_asm_inc( kstp ) ! apply dynamics assimilation increment |
---|
328 | IF( ln_bkgwri ) CALL asm_bkg_wri( kstp ) ! output background fields |
---|
329 | IF( ln_neptsimp ) CALL dyn_nept_cor( kstp ) ! subtract Neptune velocities (simplified) |
---|
330 | IF( lk_bdy ) CALL bdy_dyn3d_dmp(kstp ) ! bdy damping trends |
---|
331 | CALL dyn_adv( kstp ) ! advection (vector or flux form) |
---|
332 | CALL dyn_vor( kstp ) ! vorticity term including Coriolis |
---|
333 | CALL dyn_ldf( kstp ) ! lateral mixing |
---|
334 | IF( ln_neptsimp ) CALL dyn_nept_cor( kstp ) ! add Neptune velocities (simplified) |
---|
335 | #if defined key_agrif |
---|
336 | IF(.NOT. Agrif_Root()) CALL Agrif_Sponge_dyn ! momemtum sponge |
---|
337 | #endif |
---|
338 | CALL dyn_hpg( kstp ) ! horizontal gradient of Hydrostatic pressure |
---|
339 | CALL dyn_bfr( kstp ) ! bottom friction |
---|
340 | CALL dyn_zdf( kstp ) ! vertical diffusion |
---|
341 | CALL dyn_spg( kstp, indic ) ! surface pressure gradient |
---|
342 | ENDIF |
---|
343 | CALL dyn_nxt( kstp ) ! lateral velocity at next time step |
---|
344 | |
---|
345 | CALL ssh_swp( kstp ) ! swap of sea surface height |
---|
346 | IF( lk_vvl ) CALL dom_vvl_sf_swp( kstp ) ! swap of vertical scale factors |
---|
347 | ! |
---|
348 | IF( lrst_oce ) CALL rst_write( kstp ) ! write output ocean restart file |
---|
349 | IF( ln_sto_eos ) CALL sto_rst_write( kstp ) ! write restart file for stochastic parameters |
---|
350 | |
---|
351 | #if defined key_agrif |
---|
352 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
---|
353 | ! AGRIF |
---|
354 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
---|
355 | CALL Agrif_Integrate_ChildGrids( stp ) |
---|
356 | |
---|
357 | IF ( Agrif_NbStepint().EQ.0 ) THEN |
---|
358 | CALL Agrif_Update_Tra() ! Update active tracers |
---|
359 | CALL Agrif_Update_Dyn() ! Update momentum |
---|
360 | ENDIF |
---|
361 | #endif |
---|
362 | IF( ln_diahsb ) CALL dia_hsb( kstp ) ! - ML - global conservation diagnostics |
---|
363 | IF( lk_diaobs ) CALL dia_obs( kstp ) ! obs-minus-model (assimilation) diagnostics (call after dynamics update) |
---|
364 | |
---|
365 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
---|
366 | ! Control |
---|
367 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
---|
368 | CALL stp_ctl( kstp, indic ) |
---|
369 | IF( indic < 0 ) THEN |
---|
370 | CALL ctl_stop( 'step: indic < 0' ) |
---|
371 | CALL dia_wri_state( 'output.abort', kstp ) |
---|
372 | ENDIF |
---|
373 | IF( kstp == nit000 ) THEN |
---|
374 | CALL iom_close( numror ) ! close input ocean restart file |
---|
375 | IF(lwm) CALL FLUSH ( numond ) ! flush output namelist oce |
---|
376 | IF( lwm.AND.numoni /= -1 ) CALL FLUSH ( numoni ) ! flush output namelist ice |
---|
377 | ENDIF |
---|
378 | |
---|
379 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
---|
380 | ! Coupled mode |
---|
381 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
---|
382 | IF( lk_oasis ) CALL sbc_cpl_snd( kstp ) ! coupled mode : field exchanges |
---|
383 | ! |
---|
384 | #if defined key_iomput |
---|
385 | IF( kstp == nitend .OR. indic < 0 ) THEN |
---|
386 | CALL iom_context_finalize( cxios_context ) ! needed for XIOS+AGRIF |
---|
387 | IF( ln_crs ) CALL iom_context_finalize( trim(cxios_context)//"_crs" ) ! |
---|
388 | ENDIF |
---|
389 | #endif |
---|
390 | ! |
---|
391 | IF( nn_timing == 1 .AND. kstp == nit000 ) CALL timing_reset |
---|
392 | ! |
---|
393 | ! |
---|
394 | END SUBROUTINE stp |
---|
395 | |
---|
396 | !!====================================================================== |
---|
397 | END MODULE step |
---|