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nemogcm.F90 in NEMO/branches/2020/dev_r12558_HPC-08_epico_Extra_Halo/src/OFF – NEMO

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source: NEMO/branches/2020/dev_r12558_HPC-08_epico_Extra_Halo/src/OFF/nemogcm.F90 @ 13176

Last change on this file since 13176 was 13176, checked in by smasson, 4 years ago
Extra_Halo: rewrite prtctl, supress nn_print, see #2366
Property svn:keywords set to `Id`
File size: 25.4 KB

Rev	Line
[2574]	1	MODULE nemogcm
	2	!!======================================================================
	3	!! * MODULE nemogcm *
	4	!! Off-line Ocean : passive tracer evolution, dynamics read in files
	5	!!======================================================================
	6	!! History : 3.3 ! 2010-05 (C. Ethe) Full reorganization of the off-line: phasing with the on-line
[7646]	7	!! 3.4 ! 2011-01 (C. Ethe, A. R. Porter, STFC Daresbury) dynamical allocation
	8	!! 4.0 ! 2016-10 (C. Ethe, G. Madec, S. Flavoni) domain configuration / user defined interface
[12377]	9	!! 4.1 ! 2019-08 (A. Coward, D. Storkey) rewrite in preparation for new timestepping scheme
[2574]	10	!!----------------------------------------------------------------------
	11
	12	!!----------------------------------------------------------------------
[9213]	13	!! nemo_gcm : off-line: solve ocean tracer only
	14	!! nemo_gcm : solve ocean dynamics, tracer, biogeochemistry and/or sea-ice
	15	!! nemo_init : initialization of the NEMO system
	16	!! nemo_ctl : initialisation of the contol print
	17	!! nemo_closefile: close remaining open files
	18	!! nemo_alloc : dynamical allocation
	19	!! istate_init : simple initialization to zero of ocean fields
	20	!! stp_ctl : reduced step control (no dynamics in off-line)
[2574]	21	!!----------------------------------------------------------------------
[9213]	22	USE dom_oce ! ocean space domain variables
	23	USE oce ! dynamics and tracers variables
	24	USE trc_oce ! Shared ocean/passive tracers variables
	25	USE c1d ! 1D configuration
	26	USE domain ! domain initialization from coordinate & bathymetry (dom_init routine)
	27	USE closea ! treatment of closed seas (for ln_closea)
	28	USE usrdef_nam ! user defined configuration
	29	USE eosbn2 ! equation of state (eos bn2 routine)
[12939]	30	USE bdy_oce, ONLY : ln_bdy
	31	USE bdyini ! open boundary cond. setting (bdy_init routine)
[2574]	32	! ! ocean physics
[9213]	33	USE ldftra ! lateral diffusivity setting (ldf_tra_init routine)
	34	USE ldfslp ! slopes of neutral surfaces (ldf_slp_init routine)
[9751]	35	USE traqsr ! solar radiation penetration (tra_qsr_init routine)
[9213]	36	USE trabbl ! bottom boundary layer (tra_bbl_init routine)
	37	USE traldf ! lateral physics (tra_ldf_init routine)
	38	USE sbcmod ! surface boundary condition (sbc_init routine)
	39	USE phycst ! physical constant (par_cst routine)
	40	USE dtadyn ! Lecture and Interpolation of the dynamical fields
	41	USE trcini ! Initilization of the passive tracers
	42	USE daymod ! calendar (day routine)
	43	USE trcstp ! passive tracer time-stepping (trc_stp routine)
	44	USE dtadyn ! Lecture and interpolation of the dynamical fields
[7646]	45	! ! Passive tracers needs
[9213]	46	USE trc ! passive tracer : variables
	47	USE trcnam ! passive tracer : namelist
	48	USE trcrst ! passive tracer restart
	49	USE diaptr ! Need to initialise this as some variables are used in if statements later
	50	USE sbc_oce , ONLY : ln_rnf
	51	USE sbcrnf ! surface boundary condition : runoffs
[2574]	52	! ! I/O & MPP
[9213]	53	USE iom ! I/O library
	54	USE in_out_manager ! I/O manager
	55	USE mppini ! shared/distributed memory setting (mpp_init routine)
	56	USE lib_mpp ! distributed memory computing
[2574]	57	#if defined key_iomput
[9213]	58	USE xios ! xIOserver
[2574]	59	#endif
[9213]	60	USE prtctl ! Print control (prt_ctl_init routine)
	61	USE timing ! Timing
	62	USE lib_fortran ! Fortran utilities (allows no signed zero when 'key_nosignedzero' defined)
[12586]	63	USE lbcnfd , ONLY : isendto, nsndto ! Setup of north fold exchanges
[12377]	64	USE step, ONLY : Nbb, Nnn, Naa, Nrhs ! time level indices
[12586]	65	USE halo_mng
[2574]	66
	67	IMPLICIT NONE
	68	PRIVATE
	69
	70	PUBLIC nemo_gcm ! called by nemo.F90
	71
	72	CHARACTER (len=64) :: cform_aaa="( /, 'AAAAAAAA', / ) " ! flag for output listing
	73
	74	!!----------------------------------------------------------------------
[9213]	75	!! NEMO/OFF 4.0 , NEMO Consortium (2018)
[5215]	76	!! $Id$
[10068]	77	!! Software governed by the CeCILL license (see ./LICENSE)
[2574]	78	!!----------------------------------------------------------------------
	79	CONTAINS
	80
	81	SUBROUTINE nemo_gcm
	82	!!----------------------------------------------------------------------
	83	!! * ROUTINE nemo_gcm *
	84	!!
[9213]	85	!! ** Purpose : NEMO solves the primitive equations on an orthogonal
	86	!! curvilinear mesh on the sphere.
[2574]	87	!!
	88	!! ** Method : - model general initialization
	89	!! - launch the time-stepping (dta_dyn and trc_stp)
	90	!! - finalize the run by closing files and communications
	91	!!
	92	!! References : Madec, Delecluse,Imbard, and Levy, 1997: internal report, IPSL.
	93	!! Madec, 2008, internal report, IPSL.
	94	!!----------------------------------------------------------------------
[12939]	95	INTEGER :: istp ! time step index
[2574]	96	!!----------------------------------------------------------------------
	97
	98	CALL nemo_init ! Initializations
	99
	100	! check that all process are still there... If some process have an error,
	101	! they will never enter in step and other processes will wait until the end of the cpu time!
[10425]	102	CALL mpp_max( 'nemogcm', nstop )
[2574]	103
	104	! !-----------------------!
	105	! !== time stepping ==!
	106	! !-----------------------!
	107	istp = nit000
[6140]	108	!
[9213]	109	IF( ln_rnf ) CALL sbc_rnf(istp) ! runoffs initialization
[3827]	110	!
[9213]	111	CALL iom_init( cxios_context ) ! iom_put initialization (must be done after nemo_init for AGRIF+XIOS+OASIS)
[3827]	112	!
[9213]	113	DO WHILE ( istp <= nitend .AND. nstop == 0 ) !== OFF time-stepping ==!
[2574]	114	!
[7646]	115	IF( istp /= nit000 ) CALL day ( istp ) ! Calendar (day was already called at nit000 in day_init)
[9539]	116	CALL iom_setkt ( istp - nit000 + 1, cxios_context ) ! say to iom that we are at time step kstp
[10222]	117	#if defined key_sed_off
[12377]	118	CALL dta_dyn_sed( istp, Nnn ) ! Interpolation of the dynamical fields
[10222]	119	#else
[12377]	120	CALL dta_dyn ( istp, Nbb, Nnn, Naa ) ! Interpolation of the dynamical fields
[12026]	121	#endif
[12377]	122	CALL trc_stp ( istp, Nbb, Nnn, Nrhs, Naa ) ! time-stepping
[12026]	123	#if ! defined key_sed_off
[12377]	124	IF( .NOT.ln_linssh ) CALL dta_dyn_atf( istp, Nbb, Nnn, Naa ) ! time filter of sea surface height and vertical scale factors
[10222]	125	#endif
[12377]	126	! Swap time levels
	127	Nrhs = Nbb
	128	Nbb = Nnn
	129	Nnn = Naa
	130	Naa = Nrhs
	131	!
	132	#if ! defined key_sed_off
	133	IF( .NOT.ln_linssh ) CALL dta_dyn_sf_interp( istp, Nnn ) ! calculate now grid parameters
	134	#endif
[12939]	135	CALL stp_ctl ( istp ) ! Time loop: control and print
[2574]	136	istp = istp + 1
	137	END DO
[9213]	138	!
[3769]	139	#if defined key_iomput
[5504]	140	CALL iom_context_finalize( cxios_context ) ! needed for XIOS+AGRIF
[3769]	141	#endif
[2574]	142
	143	! !------------------------!
	144	! !== finalize the run ==!
	145	! !------------------------!
	146	IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA
	147
	148	IF( nstop /= 0 .AND. lwp ) THEN ! error print
[11536]	149	WRITE(ctmp1,*) ' ==>>> nemo_gcm: a total of ', nstop, ' errors have been found'
[13015]	150	WRITE(ctmp2,) ' Look for "E R R O R" messages in all existing ocean_output files'
	151	CALL ctl_stop( ' ', ctmp1, ' ', ctmp2 )
[2574]	152	ENDIF
	153	!
[9124]	154	IF( ln_timing ) CALL timing_finalize
[3294]	155	!
[2574]	156	CALL nemo_closefile
	157	!
[9213]	158	#if defined key_iomput
	159	CALL xios_finalize ! end mpp communications with xios
	160	#else
	161	IF( lk_mpp ) CALL mppstop ! end mpp communications
	162	#endif
[2574]	163	!
[11536]	164	IF(lwm) THEN
	165	IF( nstop == 0 ) THEN ; STOP 0
	166	ELSE ; STOP 123
	167	ENDIF
	168	ENDIF
	169	!
[2574]	170	END SUBROUTINE nemo_gcm
	171
	172
	173	SUBROUTINE nemo_init
	174	!!----------------------------------------------------------------------
[9213]	175	!! * ROUTINE nemo_init *
[2574]	176	!!
	177	!! ** Purpose : initialization of the nemo model in off-line mode
	178	!!----------------------------------------------------------------------
[11536]	179	INTEGER :: ios, ilocal_comm ! local integers
[2574]	180	!!
[13176]	181	NAMELIST/namctl/ sn_cfctl, ln_timing, ln_diacfl, &
	182	& nn_isplt, nn_jsplt, nn_ictls, nn_ictle, nn_jctls, nn_jctle
[9213]	183	NAMELIST/namcfg/ ln_read_cfg, cn_domcfg, ln_closea, ln_write_cfg, cn_domcfg_out, ln_use_jattr
[2574]	184	!!----------------------------------------------------------------------
[9213]	185	!
[5407]	186	cxios_context = 'nemo'
[12586]	187	nn_hls = 1
[3716]	188	!
[11536]	189	! !-------------------------------------------------!
	190	! ! set communicator & select the local rank !
	191	! ! must be done as soon as possible to get narea !
	192	! !-------------------------------------------------!
[2574]	193	!
[11536]	194	#if defined key_iomput
	195	CALL xios_initialize( "for_xios_mpi_id", return_comm=ilocal_comm ) ! nemo local communicator given by xios
	196	CALL mpp_start( ilocal_comm )
	197	#else
	198	CALL mpp_start( )
	199	#endif
	200	!
	201	narea = mpprank + 1 ! mpprank: the rank of proc (0 --> mppsize -1 )
	202	lwm = (narea == 1) ! control of output namelists
	203	!
	204	! !---------------------------------------------------------------!
	205	! ! Open output files, reference and configuration namelist files !
	206	! !---------------------------------------------------------------!
	207	!
	208	! open ocean.output as soon as possible to get all output prints (including errors messages)
	209	IF( lwm ) CALL ctl_opn( numout, 'ocean.output', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, -1, .FALSE. )
	210	! open reference and configuration namelist files
[12377]	211	CALL load_nml( numnam_ref, 'namelist_ref', -1, lwm )
	212	CALL load_nml( numnam_cfg, 'namelist_cfg', -1, lwm )
[11536]	213	IF( lwm ) CALL ctl_opn( numond, 'output.namelist.dyn', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, -1, .FALSE. )
	214	! open /dev/null file to be able to supress output write easily
[12939]	215	IF( Agrif_Root() ) THEN
[11536]	216	CALL ctl_opn( numnul, '/dev/null', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, -1, .FALSE. )
[12939]	217	#ifdef key_agrif
	218	ELSE
	219	numnul = Agrif_Parent(numnul)
	220	#endif
	221	ENDIF
[11536]	222	!
	223	! !--------------------!
[12377]	224	! ! Open listing units ! -> need sn_cfctl from namctl to define lwp
[11536]	225	! !--------------------!
	226	!
[4147]	227	READ ( numnam_ref, namctl, IOSTAT = ios, ERR = 901 )
[11536]	228	901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namctl in reference namelist' )
[4147]	229	READ ( numnam_cfg, namctl, IOSTAT = ios, ERR = 902 )
[11536]	230	902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namctl in configuration namelist' )
[4147]	231	!
[12377]	232	! finalize the definition of namctl variables
[12939]	233	IF( narea < sn_cfctl%procmin .OR. narea > sn_cfctl%procmax .OR. MOD( narea - sn_cfctl%procmin, sn_cfctl%procincr ) /= 0 ) &
	234	& CALL nemo_set_cfctl( sn_cfctl, .FALSE. )
[7646]	235	!
[12377]	236	lwp = (narea == 1) .OR. sn_cfctl%l_oceout ! control of all listing output print
	237	!
[2574]	238	IF(lwp) THEN ! open listing units
	239	!
[11536]	240	IF( .NOT. lwm ) & ! alreay opened for narea == 1
	241	& CALL ctl_opn( numout, 'ocean.output', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, -1, .FALSE., narea )
[2574]	242	!
	243	WRITE(numout,*)
[11536]	244	WRITE(numout,*) ' CNRS - NERC - Met OFFICE - MERCATOR-ocean - CMCC'
[2574]	245	WRITE(numout,*) ' NEMO team'
[9213]	246	WRITE(numout,*) ' Off-line TOP Model'
[10570]	247	WRITE(numout,*) ' NEMO version 4.0 (2019) '
[2574]	248	WRITE(numout,*)
[10570]	249	WRITE(numout,*) " ._ ._ ._ ._ ._ "
	250	WRITE(numout,*) " _.-._)`\_.-._)`\_.-._)`\_.-._)`\_.-._)`\_ "
[2574]	251	WRITE(numout,*)
[10570]	252	WRITE(numout,*) " o _, _, "
	253	WRITE(numout,*) " o .' ( .-' / "
	254	WRITE(numout,*) " o _/..._'. .' / "
	255	WRITE(numout,*) " ( o .-'` ` '-./ _.' "
	256	WRITE(numout,*) " ) ( o) ;= <_ ( "
	257	WRITE(numout,*) " ( '-.,\\__ __.-;`\ '. ) "
	258	WRITE(numout,*) " ) ) \) \|`\ \) '. \ ( ( "
	259	WRITE(numout,*) " ( ( \_/ '-._\ ) ) "
	260	WRITE(numout,*) " ) ) ` ( ( "
	261	WRITE(numout,*) " ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ "
	262	WRITE(numout,*)
[2574]	263	!
[9213]	264	WRITE(numout,cform_aaa) ! Flag AAAAAAA
	265	!
[2574]	266	ENDIF
[10457]	267	!
[11536]	268	IF(lwm) WRITE( numond, namctl )
	269	!
	270	! !------------------------------------!
	271	! ! Set global domain size parameters !
	272	! !------------------------------------!
	273	!
	274	READ ( numnam_ref, namcfg, IOSTAT = ios, ERR = 903 )
	275	903 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namcfg in reference namelist' )
	276	READ ( numnam_cfg, namcfg, IOSTAT = ios, ERR = 904 )
	277	904 IF( ios > 0 ) CALL ctl_nam ( ios , 'namcfg in configuration namelist' )
	278	!
	279	IF( ln_read_cfg ) THEN ! Read sizes in domain configuration file
[12960]	280	CALL domain_cfg ( cn_cfg, nn_cfg, Ni0glo, Nj0glo, jpkglo, jperio )
[11536]	281	ELSE ! user-defined namelist
[12960]	282	CALL usr_def_nam( cn_cfg, nn_cfg, Ni0glo, Nj0glo, jpkglo, jperio )
[11536]	283	ENDIF
	284	!
	285	IF(lwm) WRITE( numond, namcfg )
	286	l_offline = .true. ! passive tracers are run offline
	287	!
	288	! !-----------------------------------------!
	289	! ! mpp parameters and domain decomposition !
	290	! !-----------------------------------------!
	291	!
	292	CALL mpp_init
[2715]	293
[12586]	294	CALL halo_mng_init()
[9213]	295	! Now we know the dimensions of the grid and numout has been set: we can allocate arrays
[2715]	296	CALL nemo_alloc()
	297
[12377]	298	! Initialise time level indices
	299	Nbb = 1; Nnn = 2; Naa = 3; Nrhs = Naa
	300
[9213]	301	! !-------------------------------!
	302	! ! NEMO general initialization !
	303	! !-------------------------------!
[2574]	304
[9213]	305	CALL nemo_ctl ! Control prints
[2574]	306	!
[9213]	307	! ! General initialization
[9019]	308	IF( ln_timing ) CALL timing_init
	309	IF( ln_timing ) CALL timing_start( 'nemo_init')
[3294]	310	!
[9367]	311	CALL phy_cst ! Physical constants
	312	CALL eos_init ! Equation of state
	313	IF( lk_c1d ) CALL c1d_init ! 1D column configuration
[12377]	314	CALL dom_init( Nbb, Nnn, Naa, "OPA") ! Domain
	315	IF( sn_cfctl%l_prtctl ) &
	316	& CALL prt_ctl_init ! Print control
[7646]	317
[12377]	318	CALL istate_init( Nnn, Naa ) ! ocean initial state (Dynamics and tracers)
[7646]	319
[12377]	320	CALL sbc_init( Nbb, Nnn, Naa ) ! Forcings : surface module
[12939]	321	CALL bdy_init ! Open boundaries initialisation
[2574]	322
[9213]	323	! ! Tracer physics
	324	CALL ldf_tra_init ! Lateral ocean tracer physics
	325	CALL ldf_eiv_init ! Eddy induced velocity param
	326	CALL tra_ldf_init ! lateral mixing
	327	IF( l_ldfslp ) CALL ldf_slp_init ! slope of lateral mixing
[9751]	328	IF( ln_traqsr ) CALL tra_qsr_init ! penetrative solar radiation
[9213]	329	IF( ln_trabbl ) CALL tra_bbl_init ! advective (and/or diffusive) bottom boundary layer scheme
[2715]	330
[9213]	331	! ! Passive tracers
[9019]	332	CALL trc_nam_run ! Needed to get restart parameters for passive tracers
	333	CALL trc_rst_cal( nit000, 'READ' ) ! calendar
[10222]	334	#if defined key_sed_off
[12377]	335	CALL dta_dyn_sed_init( Nnn ) ! Initialization for the dynamics
[10222]	336	#else
[12377]	337	CALL dta_dyn_init( Nbb, Nnn, Naa ) ! Initialization for the dynamics
[10222]	338	#endif
[2574]	339
[12377]	340	CALL trc_init( Nbb, Nnn, Naa ) ! Passive tracers initialization
[9213]	341	CALL dia_ptr_init ! Poleward TRansports initialization
	342
[5504]	343	IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA
[4749]	344	!
[9019]	345	IF( ln_timing ) CALL timing_stop( 'nemo_init')
[3294]	346	!
[2574]	347	END SUBROUTINE nemo_init
	348
	349
	350	SUBROUTINE nemo_ctl
	351	!!----------------------------------------------------------------------
	352	!! * ROUTINE nemo_ctl *
	353	!!
[7646]	354	!! ** Purpose : control print setting
[2574]	355	!!
[12377]	356	!! ** Method : - print namctl and namcfg information and check some consistencies
[2574]	357	!!----------------------------------------------------------------------
	358	!
[7646]	359	IF(lwp) THEN ! control print
[2574]	360	WRITE(numout,*)
[7646]	361	WRITE(numout,*) 'nemo_ctl: Control prints'
[9213]	362	WRITE(numout,*) '~~~~~~~~'
[2574]	363	WRITE(numout,*) ' Namelist namctl'
[10570]	364	WRITE(numout,*) ' sn_cfctl%l_runstat = ', sn_cfctl%l_runstat
	365	WRITE(numout,*) ' sn_cfctl%l_trcstat = ', sn_cfctl%l_trcstat
	366	WRITE(numout,*) ' sn_cfctl%l_oceout = ', sn_cfctl%l_oceout
	367	WRITE(numout,*) ' sn_cfctl%l_layout = ', sn_cfctl%l_layout
[12377]	368	WRITE(numout,*) ' sn_cfctl%l_prtctl = ', sn_cfctl%l_prtctl
	369	WRITE(numout,*) ' sn_cfctl%l_prttrc = ', sn_cfctl%l_prttrc
	370	WRITE(numout,*) ' sn_cfctl%l_oasout = ', sn_cfctl%l_oasout
[10570]	371	WRITE(numout,*) ' sn_cfctl%procmin = ', sn_cfctl%procmin
	372	WRITE(numout,*) ' sn_cfctl%procmax = ', sn_cfctl%procmax
	373	WRITE(numout,*) ' sn_cfctl%procincr = ', sn_cfctl%procincr
	374	WRITE(numout,*) ' sn_cfctl%ptimincr = ', sn_cfctl%ptimincr
[9019]	375	WRITE(numout,*) ' timing by routine ln_timing = ', ln_timing
	376	WRITE(numout,*) ' CFL diagnostics ln_diacfl = ', ln_diacfl
[2574]	377	ENDIF
[7646]	378
[13176]	379	IF( .NOT.ln_read_cfg ) ln_closea = .false. ! dealing possible only with a domcfg file
[7646]	380	IF(lwp) THEN ! control print
[4147]	381	WRITE(numout,*)
	382	WRITE(numout,*) ' Namelist namcfg'
[9213]	383	WRITE(numout,*) ' read domain configuration file ln_read_cfg = ', ln_read_cfg
[7646]	384	WRITE(numout,*) ' filename to be read cn_domcfg = ', TRIM(cn_domcfg)
[9436]	385	WRITE(numout,*) ' keep closed seas in the domain (if exist) ln_closea = ', ln_closea
[9213]	386	WRITE(numout,*) ' create a configuration definition file ln_write_cfg = ', ln_write_cfg
[7646]	387	WRITE(numout,*) ' filename to be written cn_domcfg_out = ', TRIM(cn_domcfg_out)
	388	WRITE(numout,*) ' use file attribute if exists as i/p j-start ln_use_jattr = ', ln_use_jattr
[4147]	389	ENDIF
[9213]	390	!
	391	IF( 1._wp /= SIGN(1._wp,-0._wp) ) CALL ctl_stop( 'nemo_ctl: The intrinsec SIGN function follows f2003 standard.', &
	392	& 'Compile with key_nosignedzero enabled' )
[3764]	393	!
[2574]	394	END SUBROUTINE nemo_ctl
	395
	396
	397	SUBROUTINE nemo_closefile
	398	!!----------------------------------------------------------------------
	399	!! * ROUTINE nemo_closefile *
	400	!!
	401	!! ** Purpose : Close the files
	402	!!----------------------------------------------------------------------
	403	!
[9213]	404	IF( lk_mpp ) CALL mppsync
[2574]	405	!
	406	CALL iom_close ! close all input/output files managed by iom_*
	407	!
	408	IF( numstp /= -1 ) CLOSE( numstp ) ! time-step file
[7646]	409	IF( lwm.AND.numond /= -1 ) CLOSE( numond ) ! oce output namelist
[9213]	410	!
[2574]	411	numout = 6 ! redefine numout in case it is used after this point...
	412	!
	413	END SUBROUTINE nemo_closefile
	414
[2715]	415
	416	SUBROUTINE nemo_alloc
	417	!!----------------------------------------------------------------------
	418	!! * ROUTINE nemo_alloc *
	419	!!
	420	!! ** Purpose : Allocate all the dynamic arrays of the OPA modules
	421	!!
	422	!! ** Method :
	423	!!----------------------------------------------------------------------
[9213]	424	USE diawri , ONLY : dia_wri_alloc
	425	USE dom_oce, ONLY : dom_oce_alloc
	426	USE zdf_oce, ONLY : zdf_oce_alloc
	427	USE trc_oce, ONLY : trc_oce_alloc
[12939]	428	USE bdy_oce, ONLY : bdy_oce_alloc
[2715]	429	!
	430	INTEGER :: ierr
	431	!!----------------------------------------------------------------------
	432	!
[9213]	433	ierr = oce_alloc () ! ocean
	434	ierr = ierr + dia_wri_alloc()
	435	ierr = ierr + dom_oce_alloc() ! ocean domain
	436	ierr = ierr + zdf_oce_alloc() ! ocean vertical physics
	437	ierr = ierr + trc_oce_alloc() ! shared TRC / TRA arrays
[12939]	438	ierr = ierr + bdy_oce_alloc() ! bdy masks (incl. initialization)
[2715]	439	!
[10425]	440	CALL mpp_sum( 'nemogcm', ierr )
[2715]	441	IF( ierr /= 0 ) CALL ctl_stop( 'STOP', 'nemo_alloc: unable to allocate standard ocean arrays' )
	442	!
	443	END SUBROUTINE nemo_alloc
	444
[12939]	445	SUBROUTINE nemo_set_cfctl(sn_cfctl, setto )
[10570]	446	!!----------------------------------------------------------------------
	447	!! * ROUTINE nemo_set_cfctl *
	448	!!
	449	!! ** Purpose : Set elements of the output control structure to setto.
[12939]	450	!!
[10570]	451	!! ** Method : Note this routine can be used to switch on/off some
[12939]	452	!! types of output for selected areas.
[10570]	453	!!----------------------------------------------------------------------
[12939]	454	TYPE(sn_ctl), INTENT(inout) :: sn_cfctl
	455	LOGICAL , INTENT(in ) :: setto
[10570]	456	!!----------------------------------------------------------------------
[12939]	457	sn_cfctl%l_runstat = setto
	458	sn_cfctl%l_trcstat = setto
[10570]	459	sn_cfctl%l_oceout = setto
	460	sn_cfctl%l_layout = setto
[12377]	461	sn_cfctl%l_prtctl = setto
	462	sn_cfctl%l_prttrc = setto
	463	sn_cfctl%l_oasout = setto
[10570]	464	END SUBROUTINE nemo_set_cfctl
	465
[12377]	466	SUBROUTINE istate_init( Kmm, Kaa )
[5504]	467	!!----------------------------------------------------------------------
	468	!! * ROUTINE istate_init *
	469	!!
	470	!! ** Purpose : Initialization to zero of the dynamics and tracers.
	471	!!----------------------------------------------------------------------
[12377]	472	INTEGER, INTENT(in) :: Kmm, Kaa ! ocean time level indices
[5504]	473	!
	474	! now fields ! after fields !
[12377]	475	uu (:,:,:,Kmm) = 0._wp ; uu(:,:,:,Kaa) = 0._wp !
	476	vv (:,:,:,Kmm) = 0._wp ; vv(:,:,:,Kaa) = 0._wp !
	477	ww (:,:,:) = 0._wp ! !
	478	hdiv (:,:,:) = 0._wp ! !
	479	ts (:,:,:,:,Kmm) = 0._wp ! !
[5504]	480	!
	481	rhd (:,:,:) = 0.e0
	482	rhop (:,:,:) = 0.e0
	483	rn2 (:,:,:) = 0.e0
	484	!
	485	END SUBROUTINE istate_init
	486
[9213]	487
[12939]	488	SUBROUTINE stp_ctl( kt )
[5504]	489	!!----------------------------------------------------------------------
	490	!! * ROUTINE stp_ctl *
	491	!!
	492	!! ** Purpose : Control the run
	493	!!
	494	!! ** Method : - Save the time step in numstp
	495	!!
	496	!! ** Actions : 'time.step' file containing the last ocean time-step
	497	!!----------------------------------------------------------------------
	498	INTEGER, INTENT(in ) :: kt ! ocean time-step index
	499	!!----------------------------------------------------------------------
	500	!
[10425]	501	IF( kt == nit000 .AND. lwm ) THEN
[5504]	502	WRITE(numout,*)
	503	WRITE(numout,*) 'stp_ctl : time-stepping control'
	504	WRITE(numout,*) '~~~~~~~'
	505	! open time.step file
	506	CALL ctl_opn( numstp, 'time.step', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp, narea )
	507	ENDIF
	508	!
[10425]	509	IF(lwm) WRITE ( numstp, '(1x, i8)' ) kt !* save the current time step in numstp
	510	IF(lwm) REWIND( numstp ) ! --------------------------
[5504]	511	!
	512	END SUBROUTINE stp_ctl
[2574]	513	!!======================================================================
	514	END MODULE nemogcm

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