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step.F90 @ 10803

Last change on this file since 10803 was 10803, checked in by jcastill, 5 years ago
Complete set of changes to use pressure read from coupling when available rather than from file
File size: 20.6 KB

Rev	Line
[3]	1	MODULE step
	2	!!======================================================================
	3	!! * MODULE step *
[6140]	4	!! Time-stepping : manager of the ocean, tracer and ice time stepping
[3]	5	!!======================================================================
[1438]	6	!! History : OPA ! 1991-03 (G. Madec) Original code
[1492]	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
[1438]	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
[1492]	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
[1438]	21	!! 3.2 ! 2009-02 (G. Madec, R. Benshila) reintroduicing z*-coordinate
[1533]	22	!! - ! 2009-06 (S. Masson, G. Madec) TKE restart compatible with key_cpl
[2528]	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
[3294]	25	!! 3.4 ! 2011-04 (G. Madec, C. Ethe) Merge of dtatem and dtasal
[5836]	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
[7646]	28	!! 3.6 ! 2014-10 (E. Clementi, P. Oddo) Add Qiao vertical mixing in case of waves
[5836]	29	!! 3.7 ! 2014-10 (G. Madec) LDF simplication
	30	!! - ! 2014-12 (G. Madec) remove KPP scheme
[5930]	31	!! - ! 2015-11 (J. Chanut) free surface simplification
[3]	32	!!----------------------------------------------------------------------
[888]	33
	34	!!----------------------------------------------------------------------
[2528]	35	!! stp : OPA system time-stepping
[3]	36	!!----------------------------------------------------------------------
[3764]	37	USE step_oce ! time stepping definition modules
[6140]	38	!
	39	USE iom ! xIOs server
[389]	40
[3]	41	IMPLICIT NONE
	42	PRIVATE
	43
[5836]	44	PUBLIC stp ! called by nemogcm.F90
[3]	45
	46	!!----------------------------------------------------------------------
[5836]	47	!! NEMO/OPA 3.7 , NEMO Consortium (2015)
[888]	48	!! $Id$
[2528]	49	!! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt)
[3]	50	!!----------------------------------------------------------------------
	51	CONTAINS
	52
[508]	53	#if defined key_agrif
[5656]	54	RECURSIVE SUBROUTINE stp( )
[1438]	55	INTEGER :: kstp ! ocean time-step index
[508]	56	#else
[467]	57	SUBROUTINE stp( kstp )
[1438]	58	INTEGER, INTENT(in) :: kstp ! ocean time-step index
[467]	59	#endif
	60	!!----------------------------------------------------------------------
[3]	61	!! * ROUTINE stp *
[3764]	62	!!
[3]	63	!! ** Purpose : - Time stepping of OPA (momentum and active tracer eqs.)
	64	!! - Time stepping of LIM (dynamic and thermodynamic eqs.)
	65	!! - Tme stepping of TRC (passive tracer eqs.)
[3764]	66	!!
	67	!! ** Method : -1- Update forcings and data
	68	!! -2- Update ocean physics
	69	!! -3- Compute the t and s trends
	70	!! -4- Update t and s
[3]	71	!! -5- Compute the momentum trends
	72	!! -6- Update the horizontal velocity
[5836]	73	!! -7- Compute the diagnostics variables (rd,N2, hdiv,w)
[3]	74	!! -8- Outputs and diagnostics
	75	!!----------------------------------------------------------------------
[7753]	76	INTEGER :: ji,jj,jk ! dummy loop indice
[3]	77	INTEGER :: indic ! error indicator if < 0
[4338]	78	INTEGER :: kcall ! optional integer argument (dom_vvl_sf_nxt)
[3]	79	!! ---------------------------------------------------------------------
[392]	80	#if defined key_agrif
[389]	81	kstp = nit000 + Agrif_Nb_Step()
[5836]	82	IF( lk_agrif_debug ) THEN
	83	IF( Agrif_Root() .and. lwp) WRITE(,) '---'
	84	IF(lwp) WRITE(,) 'Grid Number', Agrif_Fixed(),' time step ', kstp, 'int tstep', Agrif_NbStepint()
[5656]	85	ENDIF
[5836]	86	IF( kstp == nit000 + 1 ) lk_agrif_fstep = .FALSE.
[1793]	87	# if defined key_iomput
[5407]	88	IF( Agrif_Nbstepint() == 0 ) CALL iom_swap( cxios_context )
[3764]	89	# endif
	90	#endif
[5836]	91	!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
	92	! update I/O and calendar
	93	!<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
	94	indic = 0 ! reset to no error condition
	95
	96	IF( kstp == nit000 ) THEN ! initialize IOM context (must be done after nemo_init for AGRIF+XIOS+OASIS)
	97	CALL iom_init( cxios_context ) ! for model grid (including passible AGRIF zoom)
	98	IF( ln_crs ) CALL iom_init( TRIM(cxios_context)//"_crs" ) ! for coarse grid
[4152]	99	ENDIF
[1725]	100	IF( kstp /= nit000 ) CALL day( kstp ) ! Calendar (day was already called at nit000 in day_init)
[5836]	101	CALL iom_setkt( kstp - nit000 + 1, cxios_context ) ! tell IOM we are at time step kstp
	102	IF( ln_crs ) CALL iom_setkt( kstp - nit000 + 1, TRIM(cxios_context)//"_crs" ) ! tell IOM we are at time step kstp
[3]	103
	104	!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
[5836]	105	! Update external forcing (tides, open boundaries, and surface boundary condition (including sea-ice)
[3]	106	!<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
[7646]	107	IF( ln_tide ) CALL sbc_tide( kstp ) ! update tide potential
[5836]	108	CALL sbc ( kstp ) ! Sea Boundary Condition (including sea-ice)
	109
[3]	110	!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
[5329]	111	! Update stochastic parameters and random T/S fluctuations
	112	!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
[6464]	113	IF( ln_sto_eos ) CALL sto_par( kstp ) ! Stochastic parameters
	114	IF( ln_sto_eos ) CALL sto_pts( tsn ) ! Random T/S fluctuations
[5329]	115
	116	!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
[3294]	117	! Ocean physics update (ua, va, tsa used as workspace)
[3]	118	!<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
[4990]	119	! THERMODYNAMICS
	120	CALL eos_rab( tsb, rab_b ) ! before local thermal/haline expension ratio at T-points
	121	CALL eos_rab( tsn, rab_n ) ! now local thermal/haline expension ratio at T-points
	122	CALL bn2 ( tsb, rab_b, rn2b ) ! before Brunt-Vaisala frequency
	123	CALL bn2 ( tsn, rab_n, rn2 ) ! now Brunt-Vaisala frequency
[5836]	124
[1492]	125	!
[3764]	126	! VERTICAL PHYSICS
[4369]	127	CALL zdf_bfr( kstp ) ! bottom friction (if quadratic)
[1492]	128	! ! Vertical eddy viscosity and diffusivity coefficients
[7646]	129	IF( lk_zdfric ) CALL zdf_ric ( kstp ) ! Richardson number dependent Kz
	130	IF( lk_zdftke ) CALL zdf_tke ( kstp ) ! TKE closure scheme for Kz
	131	IF( lk_zdfgls ) CALL zdf_gls ( kstp ) ! GLS closure scheme for Kz
	132	IF( ln_zdfqiao ) CALL zdf_qiao( kstp ) ! Qiao vertical mixing
	133	!
	134	IF( lk_zdfcst ) THEN ! Constant Kz (reset avt, avm[uv] to the background value)
[7753]	135	avt (:,:,:) = rn_avt0 * wmask (:,:,:)
	136	avmu(:,:,:) = rn_avm0 * wumask(:,:,:)
	137	avmv(:,:,:) = rn_avm0 * wvmask(:,:,:)
[677]	138	ENDIF
[5836]	139
[1492]	140	IF( ln_rnf_mouth ) THEN ! increase diffusivity at rivers mouths
[7753]	141	DO jk = 2, nkrnf ; avt(:,:,jk) = avt(:,:,jk) + 2._wp * rn_avt_rnf * rnfmsk(:,:) * tmask(:,:,jk) ; END DO
[3]	142	ENDIF
[1492]	143	IF( ln_zdfevd ) CALL zdf_evd( kstp ) ! enhanced vertical eddy diffusivity
[3]	144
[1492]	145	IF( lk_zdftmx ) CALL zdf_tmx( kstp ) ! tidal vertical mixing
[3]	146
[5836]	147	IF( lk_zdfddm ) CALL zdf_ddm( kstp ) ! double diffusive mixing
[3764]	148
[1492]	149	CALL zdf_mxl( kstp ) ! mixed layer depth
[3]	150
[2528]	151	! write TKE or GLS information in the restart file
[1531]	152	IF( lrst_oce .AND. lk_zdftke ) CALL tke_rst( kstp, 'WRITE' )
[2528]	153	IF( lrst_oce .AND. lk_zdfgls ) CALL gls_rst( kstp, 'WRITE' )
[1492]	154	!
[3764]	155	! LATERAL PHYSICS
[1492]	156	!
[5836]	157	IF( l_ldfslp ) THEN ! slope of lateral mixing
[5120]	158	CALL eos( tsb, rhd, gdept_0(:,:,:) ) ! before in situ density
[5836]	159
[5120]	160	IF( ln_zps .AND. .NOT. ln_isfcav) &
	161	& CALL zps_hde ( kstp, jpts, tsb, gtsu, gtsv, & ! Partial steps: before horizontal gradient
	162	& rhd, gru , grv ) ! of t, s, rd at the last ocean level
[5836]	163
[5120]	164	IF( ln_zps .AND. ln_isfcav) &
[6140]	165	& CALL zps_hde_isf( kstp, jpts, tsb, gtsu, gtsv, gtui, gtvi, & ! Partial steps for top cell (ISF)
	166	& rhd, gru , grv , grui, grvi ) ! of t, s, rd at the first ocean level
[5836]	167	IF( ln_traldf_triad ) THEN
	168	CALL ldf_slp_triad( kstp ) ! before slope for triad operator
	169	ELSE
	170	CALL ldf_slp ( kstp, rhd, rn2b ) ! before slope for standard operator
[2528]	171	ENDIF
[1481]	172	ENDIF
[6381]	173	! ! eddy diffusivity coeff.
	174	IF( l_ldftra_time .OR. l_ldfeiv_time ) CALL ldf_tra( kstp ) ! and/or eiv coeff.
	175	IF( l_ldfdyn_time ) CALL ldf_dyn( kstp ) ! eddy viscosity coeff.
[3]	176
[4369]	177	!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
[5930]	178	! Ocean dynamics : hdiv, ssh, e3, u, v, w
[4369]	179	!<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
[5930]	180
[6140]	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	CALL eos ( tsn, rhd, rhop, gdept_n(:,:,:) ) ! now in situ density for hpg computation
	185
[5930]	186	!!jc: fs simplification
[6140]	187	!!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)
[5930]	188	!! but ensures reproductible results
	189	!! with previous versions using split-explicit free surface
[6140]	190	IF( ln_zps .AND. .NOT. ln_isfcav ) &
	191	& CALL zps_hde ( kstp, jpts, tsn, gtsu, gtsv, & ! Partial steps: before horizontal gradient
	192	& rhd, gru , grv ) ! of t, s, rd at the last ocean level
	193	IF( ln_zps .AND. ln_isfcav ) &
	194	& CALL zps_hde_isf( kstp, jpts, tsn, gtsu, gtsv, gtui, gtvi, & ! Partial steps for top cell (ISF)
	195	& rhd, gru , grv , grui, grvi ) ! of t, s, rd at the first ocean level
[5930]	196	!!jc: fs simplification
[7753]	197
	198	ua(:,:,:) = 0._wp ! set dynamics trends to zero
	199	va(:,:,:) = 0._wp
[4369]	200
[5930]	201	IF( lk_asminc .AND. ln_asmiau .AND. ln_dyninc ) &
[6381]	202	& CALL dyn_asm_inc ( kstp ) ! apply dynamics assimilation increment
[7646]	203	IF( ln_bdy ) CALL bdy_dyn3d_dmp ( kstp ) ! bdy damping trends
[4369]	204	#if defined key_agrif
[5930]	205	IF(.NOT. Agrif_Root()) &
	206	& CALL Agrif_Sponge_dyn ! momentum sponge
[4369]	207	#endif
[5930]	208	CALL dyn_adv ( kstp ) ! advection (vector or flux form)
	209	CALL dyn_vor ( kstp ) ! vorticity term including Coriolis
	210	CALL dyn_ldf ( kstp ) ! lateral mixing
	211	CALL dyn_hpg ( kstp ) ! horizontal gradient of Hydrostatic pressure
	212	CALL dyn_spg ( kstp ) ! surface pressure gradient
[4369]	213
[5930]	214	! With split-explicit free surface, since now transports have been updated and ssha as well
	215	IF( ln_dynspg_ts ) THEN ! vertical scale factors and vertical velocity need to be updated
	216	CALL div_hor ( kstp ) ! Horizontal divergence (2nd call in time-split case)
[6140]	217	IF(.NOT.ln_linssh) CALL dom_vvl_sf_nxt( kstp, kcall=2 ) ! after vertical scale factors (update depth average component)
[5930]	218	CALL wzv ( kstp ) ! now cross-level velocity
[4369]	219	ENDIF
	220
[5930]	221	CALL dyn_bfr ( kstp ) ! bottom friction
	222	CALL dyn_zdf ( kstp ) ! vertical diffusion
	223
[1482]	224	!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
[6140]	225	! cool skin
	226	!<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
	227	IF ( ln_diurnal ) CALL stp_diurnal( kstp )
	228
	229	!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
	230	! diagnostics and outputs (ua, va, tsa used as workspace)
[1482]	231	!<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
[6140]	232	IF( lk_floats ) CALL flo_stp( kstp ) ! drifting Floats
	233	IF( nn_diacfl == 1 ) CALL dia_cfl( kstp ) ! Courant number diagnostics
	234	IF( lk_diahth ) CALL dia_hth( kstp ) ! Thermocline depth (20 degres isotherm depth)
	235	IF( lk_diadct ) CALL dia_dct( kstp ) ! Transports
[7646]	236	CALL dia_ar5( kstp ) ! ar5 diag
[6140]	237	IF( lk_diaharm ) CALL dia_harm( kstp ) ! Tidal harmonic analysis
	238	CALL dia_wri( kstp ) ! ocean model: outputs
[4152]	239	!
[5930]	240	IF( ln_crs ) CALL crs_fld ( kstp ) ! ocean model: online field coarsening & output
[6140]	241
[923]	242	#if defined key_top
[3]	243	!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
	244	! Passive Tracer Model
	245	!<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
[5930]	246	CALL trc_stp ( kstp ) ! time-stepping
[3]	247	#endif
	248
	249	!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
[5930]	250	! Active tracers
[3]	251	!<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
[7753]	252	tsa(:,:,:,:) = 0._wp ! set tracer trends to zero
[3]	253
[5656]	254	IF( lk_asminc .AND. ln_asmiau .AND. &
[5930]	255	& ln_trainc ) CALL tra_asm_inc ( kstp ) ! apply tracer assimilation increment
	256	CALL tra_sbc ( kstp ) ! surface boundary condition
	257	IF( ln_traqsr ) CALL tra_qsr ( kstp ) ! penetrative solar radiation qsr
	258	IF( ln_trabbc ) CALL tra_bbc ( kstp ) ! bottom heat flux
	259	IF( lk_trabbl ) CALL tra_bbl ( kstp ) ! advective (and/or diffusive) bottom boundary layer scheme
	260	IF( ln_tradmp ) CALL tra_dmp ( kstp ) ! internal damping trends
[7646]	261	IF( ln_bdy ) CALL bdy_tra_dmp ( kstp ) ! bdy damping trends
[392]	262	#if defined key_agrif
[5930]	263	IF(.NOT. Agrif_Root()) &
	264	& CALL Agrif_Sponge_tra ! tracers sponge
[389]	265	#endif
[5930]	266	CALL tra_adv ( kstp ) ! horizontal & vertical advection
	267	CALL tra_ldf ( kstp ) ! lateral mixing
[1239]	268
[5930]	269	!!gm : why CALL to dia_ptr has been moved here??? (use trends info?)
	270	IF( ln_diaptr ) CALL dia_ptr ! Poleward adv/ldf TRansports diagnostics
[5836]	271	!!gm
[5930]	272	CALL tra_zdf ( kstp ) ! vertical mixing and after tracer fields
	273	IF( ln_zdfnpc ) CALL tra_npc ( kstp ) ! update after fields by non-penetrative convection
[1481]	274
[3]	275	!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
[5930]	276	! Set boundary conditions and Swap
[3]	277	!<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
[5930]	278	!!jc1: For agrif, it would be much better to finalize tracers/momentum here (e.g. bdy conditions) and move the swap
	279	!! (and time filtering) after Agrif update. Then restart would be done after and would contain updated fields.
	280	!! If so:
	281	!! (i) no need to call agrif update at initialization time
	282	!! (ii) no need to update "before" fields
	283	!!
	284	!! Apart from creating new tra_swp/dyn_swp routines, this however:
	285	!! (i) makes boundary conditions at initialization time computed from updated fields which is not the case between
	286	!! two restarts => restartability issue. One can circumvent this, maybe, by assuming "interface separation",
	287	!! e.g. a shift of the feedback interface inside child domain.
	288	!! (ii) requires that all restart outputs of updated variables by agrif (e.g. passive tracers/tke/barotropic arrays) are done at the same
	289	!! place.
	290	!!
[6140]	291	!!jc2: dynnxt must be the latest call. e3t_b are indeed updated in that routine
[5930]	292	CALL tra_nxt ( kstp ) ! finalize (bcs) tracer fields at next time step and swap
	293	CALL dyn_nxt ( kstp ) ! finalize (bcs) velocities at next time step and swap
	294	CALL ssh_swp ( kstp ) ! swap of sea surface height
[6140]	295	IF(.NOT.ln_linssh) CALL dom_vvl_sf_swp( kstp ) ! swap of vertical scale factors
[5656]	296	!
[7646]	297	IF( ln_diahsb ) CALL dia_hsb( kstp ) ! - ML - global conservation diagnostics
[5836]	298
	299	!!gm : This does not only concern the dynamics ==>>> add a new title
	300	!!gm2: why ouput restart before AGRIF update?
[5930]	301	!!
	302	!!jc: That would be better, but see comment above
	303	!!
[6464]	304	IF( lrst_oce ) CALL rst_write ( kstp ) ! write output ocean restart file
	305	IF( ln_sto_eos ) CALL sto_rst_write( kstp ) ! write restart file for stochastic parameters
[593]	306
[5656]	307	#if defined key_agrif
	308	!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
	309	! AGRIF
	310	!<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
[5930]	311	CALL Agrif_Integrate_ChildGrids( stp )
[5656]	312
[6140]	313	IF( Agrif_NbStepint() == 0 ) THEN ! AGRIF Update
	314	!!jc in fact update is useless at last time step, but do it for global diagnostics
[5930]	315	CALL Agrif_Update_Tra() ! Update active tracers
	316	CALL Agrif_Update_Dyn() ! Update momentum
[5656]	317	ENDIF
	318	#endif
[6140]	319	IF( ln_diaobs ) CALL dia_obs( kstp ) ! obs-minus-model (assimilation) diagnostics (call after dynamics update)
[2528]	320
[3]	321	!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
[5656]	322	! Control
[3]	323	!<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
[5930]	324	CALL stp_ctl ( kstp, indic )
[6140]	325	IF( indic < 0 ) THEN
[5930]	326	CALL ctl_stop( 'step: indic < 0' )
	327	CALL dia_wri_state( 'output.abort', kstp )
[1482]	328	ENDIF
[6140]	329	IF( kstp == nit000 ) THEN
[4624]	330	CALL iom_close( numror ) ! close input ocean restart file
	331	IF(lwm) CALL FLUSH ( numond ) ! flush output namelist oce
[5836]	332	IF(lwm.AND.numoni /= -1 ) &
	333	& CALL FLUSH ( numoni ) ! flush output namelist ice (if exist)
[4147]	334	ENDIF
[3]	335
[508]	336	!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
[75]	337	! Coupled mode
	338	!<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
[5836]	339	!!gm why lk_oasis and not lk_cpl ????
[5930]	340	IF( lk_oasis ) CALL sbc_cpl_snd( kstp ) ! coupled mode : field exchanges
[508]	341	!
[4153]	342	#if defined key_iomput
	343	IF( kstp == nitend .OR. indic < 0 ) THEN
[5407]	344	CALL iom_context_finalize( cxios_context ) ! needed for XIOS+AGRIF
	345	IF( ln_crs ) CALL iom_context_finalize( trim(cxios_context)//"_crs" ) !
[4152]	346	ENDIF
[4153]	347	#endif
[3769]	348	!
[3294]	349	IF( nn_timing == 1 .AND. kstp == nit000 ) CALL timing_reset
[1481]	350	!
[3]	351	END SUBROUTINE stp
[6140]	352
[3]	353	END MODULE step

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source: NEMO/branches/UKMO/r8395_cpl-pressure/NEMOGCM/NEMO/OPA_SRC/step.F90 @ 10803

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