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nemogcm.F90 in branches/2011/DEV_r2739_STFC_dCSE/NEMOGCM/NEMO/OPA_SRC – NEMO

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source: branches/2011/DEV_r2739_STFC_dCSE/NEMOGCM/NEMO/OPA_SRC/nemogcm.F90 @ 4409

Last change on this file since 4409 was 4409, checked in by trackstand2, 10 years ago
Changes to allow jpk to be modified to deepest level within a subdomain. jpkorig holds original value.
Property svn:keywords set to `Id`
File size: 41.1 KB

Rev	Line
[2496]	1	MODULE nemogcm
[2442]	2	!!======================================================================
[2496]	3	!! * MODULE nemogcm *
	4	!! Ocean system : NEMO GCM (ocean dynamics, on-line tracers, biochemistry and sea-ice)
[2442]	5	!!======================================================================
[1593]	6	!! History : OPA ! 1990-10 (C. Levy, G. Madec) Original code
	7	!! 7.0 ! 1991-11 (M. Imbard, C. Levy, G. Madec)
	8	!! 7.1 ! 1993-03 (M. Imbard, C. Levy, G. Madec, O. Marti, M. Guyon, A. Lazar,
[2104]	9	!! P. Delecluse, C. Perigaud, G. Caniaux, B. Colot, C. Maes) release 7.1
[1593]	10	!! - ! 1992-06 (L.Terray) coupling implementation
	11	!! - ! 1993-11 (M.A. Filiberti) IGLOO sea-ice
	12	!! 8.0 ! 1996-03 (M. Imbard, C. Levy, G. Madec, O. Marti, M. Guyon, A. Lazar,
[2104]	13	!! P. Delecluse, L.Terray, M.A. Filiberti, J. Vialar, A.M. Treguier, M. Levy) release 8.0
[1593]	14	!! 8.1 ! 1997-06 (M. Imbard, G. Madec)
	15	!! 8.2 ! 1999-11 (M. Imbard, H. Goosse) LIM sea-ice model
	16	!! ! 1999-12 (V. Thierry, A-M. Treguier, M. Imbard, M-A. Foujols) OPEN-MP
	17	!! ! 2000-07 (J-M Molines, M. Imbard) Open Boundary Conditions (CLIPPER)
	18	!! NEMO 1.0 ! 2002-08 (G. Madec) F90: Free form and modules
	19	!! - ! 2004-06 (R. Redler, NEC CCRLE, Germany) add OASIS[3/4] coupled interfaces
	20	!! - ! 2004-08 (C. Talandier) New trends organization
	21	!! - ! 2005-06 (C. Ethe) Add the 1D configuration possibility
	22	!! - ! 2005-11 (V. Garnier) Surface pressure gradient organization
	23	!! - ! 2006-03 (L. Debreu, C. Mazauric) Agrif implementation
	24	!! - ! 2006-04 (G. Madec, R. Benshila) Step reorganization
	25	!! - ! 2007-07 (J. Chanut, A. Sellar) Unstructured open boundaries (BDY)
	26	!! 3.2 ! 2009-08 (S. Masson) open/write in the listing file in mpp
[2236]	27	!! 3.3 ! 2010-05 (K. Mogensen, A. Weaver, M. Martin, D. Lea) Assimilation interface
	28	!! - ! 2010-10 (C. Ethe, G. Madec) reorganisation of initialisation phase
[2715]	29	!! 4.0 ! 2011-01 (A. R. Porter, STFC Daresbury) dynamical allocation
[1593]	30	!!----------------------------------------------------------------------
[3]	31
	32	!!----------------------------------------------------------------------
[2496]	33	!! nemo_gcm : solve ocean dynamics, tracer, biogeochemistry and/or sea-ice
	34	!! nemo_init : initialization of the NEMO system
	35	!! nemo_ctl : initialisation of the contol print
	36	!! nemo_closefile : close remaining open files
[2715]	37	!! nemo_alloc : dynamical allocation
	38	!! nemo_partition : calculate MPP domain decomposition
[3187]	39	!! sqfact : calculate factors of the no. of MPI processes
[3]	40	!!----------------------------------------------------------------------
[2382]	41	USE step_oce ! module used in the ocean time stepping module
[888]	42	USE sbc_oce ! surface boundary condition: ocean
[2392]	43	USE cla ! cross land advection (tra_cla routine)
[3]	44	USE domcfg ! domain configuration (dom_cfg routine)
	45	USE mppini ! shared/distributed memory setting (mpp_init routine)
	46	USE domain ! domain initialization (dom_init routine)
	47	USE obcini ! open boundary cond. initialization (obc_ini routine)
[911]	48	USE bdyini ! unstructured open boundary cond. initialization (bdy_init routine)
[3]	49	USE istate ! initial state setting (istate_init routine)
	50	USE ldfdyn ! lateral viscosity setting (ldfdyn_init routine)
	51	USE ldftra ! lateral diffusivity setting (ldftra_init routine)
[2392]	52	USE zdfini ! vertical physics setting (zdf_init routine)
[3]	53	USE phycst ! physical constant (par_cst routine)
[2236]	54	USE trdmod ! momentum/tracers trends (trd_mod_init routine)
	55	USE asminc ! assimilation increments (asm_inc_init routine)
	56	USE asmtrj ! writing out state trajectory
	57	USE sshwzv ! vertical velocity used in asm
	58	USE diaptr ! poleward transports (dia_ptr_init routine)
	59	USE diaobs ! Observation diagnostics (dia_obs_init routine)
[2496]	60	USE step ! NEMO time-stepping (stp routine)
[532]	61	#if defined key_oasis3
[1359]	62	USE cpl_oasis3 ! OASIS3 coupling
[599]	63	#elif defined key_oasis4
[1359]	64	USE cpl_oasis4 ! OASIS4 coupling (not working)
[532]	65	#endif
[900]	66	USE c1d ! 1D configuration
	67	USE step_c1d ! Time stepping loop for the 1D configuration
[1594]	68	#if defined key_top
[1593]	69	USE trcini ! passive tracer initialisation
[1594]	70	#endif
[1593]	71	USE lib_mpp ! distributed memory computing
[1412]	72	#if defined key_iomput
	73	USE mod_ioclient
[1359]	74	#endif
[3432]	75	USE partition_mod ! irregular domain partitioning
	76	USE timing, ONLY: timing_init, timing_finalize, timing_disable, timing_enable
[268]	77
[3837]	78	#define ARPDEBUG
[3432]	79
[2715]	80	IMPLICIT NONE
[3]	81	PRIVATE
	82
[2496]	83	PUBLIC nemo_gcm ! called by model.F90
	84	PUBLIC nemo_init ! needed by AGRIF
[467]	85
[2498]	86	CHARACTER(lc) :: cform_aaa="( /, 'AAAAAAAA', / ) " ! flag for output listing
[1593]	87
[3]	88	!!----------------------------------------------------------------------
[2715]	89	!! NEMO/OPA 4.0 , NEMO Consortium (2011)
[2392]	90	!! $Id$
[2329]	91	!! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt)
[3]	92	!!----------------------------------------------------------------------
	93	CONTAINS
	94
[2496]	95	SUBROUTINE nemo_gcm
[3]	96	!!----------------------------------------------------------------------
[2496]	97	!! * ROUTINE nemo_gcm *
[3]	98	!!
[2496]	99	!! ** Purpose : NEMO solves the primitive equations on an orthogonal
[1593]	100	!! curvilinear mesh on the sphere.
[3]	101	!!
	102	!! ** Method : - model general initialization
	103	!! - launch the time-stepping (stp routine)
[1593]	104	!! - finalize the run by closing files and communications
[3]	105	!!
[2715]	106	!! References : Madec, Delecluse, Imbard, and Levy, 1997: internal report, IPSL.
[1593]	107	!! Madec, 2008, internal report, IPSL.
[3]	108	!!----------------------------------------------------------------------
	109	INTEGER :: istp ! time step index
[389]	110	!!----------------------------------------------------------------------
[2382]	111	!
[392]	112	#if defined key_agrif
[1593]	113	CALL Agrif_Init_Grids() ! AGRIF: set the meshes
[389]	114	#endif
	115
[1593]	116	! !-----------------------!
[2496]	117	CALL nemo_init !== Initialisations ==!
[1593]	118	! !-----------------------!
[2715]	119	#if defined key_agrif
	120	CALL Agrif_Declare_Var ! AGRIF: set the meshes
	121	# if defined key_top
	122	CALL Agrif_Declare_Var_Top ! AGRIF: set the meshes
	123	# endif
	124	#endif
[682]	125	! check that all process are still there... If some process have an error,
	126	! they will never enter in step and other processes will wait until the end of the cpu time!
[900]	127	IF( lk_mpp ) CALL mpp_max( nstop )
[682]	128
[1593]	129	IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA
	130
[3432]	131	CALL timing_enable()
[1593]	132	! !-----------------------!
	133	! !== time stepping ==!
	134	! !-----------------------!
[900]	135	istp = nit000
[2236]	136	#if defined key_c1d
[389]	137	DO WHILE ( istp <= nitend .AND. nstop == 0 )
[900]	138	CALL stp_c1d( istp )
[389]	139	istp = istp + 1
	140	END DO
[2236]	141	#else
	142	IF( lk_asminc ) THEN
	143	IF( ln_bkgwri ) CALL asm_bkg_wri( nit000 - 1 ) ! Output background fields
	144	IF( ln_trjwri ) CALL asm_trj_wri( nit000 - 1 ) ! Output trajectory fields
	145	IF( ln_asmdin ) THEN ! Direct initialization
	146	IF( ln_trainc ) CALL tra_asm_inc( nit000 - 1 ) ! Tracers
	147	IF( ln_dyninc ) THEN
	148	CALL dyn_asm_inc( nit000 - 1 ) ! Dynamics
	149	IF ( ln_asmdin ) CALL ssh_wzv ( nit000 - 1 ) ! update vertical velocity
	150	ENDIF
	151	IF( ln_sshinc ) CALL ssh_asm_inc( nit000 - 1 ) ! SSH
	152	ENDIF
	153	ENDIF
	154
[389]	155	DO WHILE ( istp <= nitend .AND. nstop == 0 )
[392]	156	#if defined key_agrif
[1593]	157	CALL Agrif_Step( stp ) ! AGRIF: time stepping
[389]	158	#else
[1593]	159	CALL stp( istp ) ! standard time stepping
[389]	160	#endif
	161	istp = istp + 1
[900]	162	IF( lk_mpp ) CALL mpp_max( nstop )
[389]	163	END DO
[2236]	164	#endif
	165
	166	IF( lk_diaobs ) CALL dia_obs_wri
[1593]	167
	168	! !------------------------!
	169	! !== finalize the run ==!
	170	! !------------------------!
	171	IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA
	172	!
	173	IF( nstop /= 0 .AND. lwp ) THEN ! error print
[682]	174	WRITE(numout,cform_err)
	175	WRITE(numout,*) nstop, ' error have been found'
[389]	176	ENDIF
[1593]	177	!
[3432]	178	CALL timing_finalize ! Timing report
	179
[2496]	180	CALL nemo_closefile
[532]	181	#if defined key_oasis3 \|\| defined key_oasis4
[1976]	182	CALL cpl_prism_finalize ! end coupling and mpp communications with OASIS
[532]	183	#else
[1593]	184	IF( lk_mpp ) CALL mppstop ! end mpp communications
[532]	185	#endif
[900]	186	!
[2496]	187	END SUBROUTINE nemo_gcm
[389]	188
	189
[2496]	190	SUBROUTINE nemo_init
[389]	191	!!----------------------------------------------------------------------
[2496]	192	!! * ROUTINE nemo_init *
[389]	193	!!
[2496]	194	!! ** Purpose : initialization of the NEMO GCM
[389]	195	!!----------------------------------------------------------------------
[2715]	196	INTEGER :: ji ! dummy loop indices
	197	INTEGER :: ilocal_comm ! local integer
[3432]	198	CHARACTER(len=80), DIMENSION(24) :: cltxt
[1593]	199	!!
[1601]	200	NAMELIST/namctl/ ln_ctl , nn_print, nn_ictls, nn_ictle, &
[1976]	201	& nn_isplt, nn_jsplt, nn_jctls, nn_jctle, nn_bench
[3]	202	!!----------------------------------------------------------------------
[1593]	203	!
[3432]	204	cltxt(:) = ''
[2496]	205	!
[1593]	206	! ! open Namelist file
[1581]	207	CALL ctl_opn( numnam, 'namelist', 'OLD', 'FORMATTED', 'SEQUENTIAL', -1, 6, .FALSE. )
[1593]	208	!
	209	READ( numnam, namctl ) ! Namelist namctl : Control prints & Benchmark
	210	!
	211	! !--------------------------------------------!
	212	! ! set communicator & select the local node !
	213	! !--------------------------------------------!
[1412]	214	#if defined key_iomput
[2200]	215	IF( Agrif_Root() ) THEN
[1412]	216	# if defined key_oasis3 \|\| defined key_oasis4
[2715]	217	CALL cpl_prism_init( ilocal_comm ) ! nemo local communicator given by oasis
[1412]	218	# endif
[2715]	219	CALL init_ioclient( ilocal_comm ) ! exchange io_server nemo local communicator with the io_server
[2200]	220	ENDIF
[2715]	221	narea = mynode( cltxt, numnam, nstop, ilocal_comm ) ! Nodes selection
[532]	222	#else
[1412]	223	# if defined key_oasis3 \|\| defined key_oasis4
[2236]	224	IF( Agrif_Root() ) THEN
[2715]	225	CALL cpl_prism_init( ilocal_comm ) ! nemo local communicator given by oasis
[2236]	226	ENDIF
[2715]	227	narea = mynode( cltxt, numnam, nstop, ilocal_comm ) ! Nodes selection (control print return in cltxt)
[1412]	228	# else
[2082]	229	ilocal_comm = 0
[2715]	230	narea = mynode( cltxt, numnam, nstop ) ! Nodes selection (control print return in cltxt)
[1412]	231	# endif
[532]	232	#endif
[2715]	233	narea = narea + 1 ! mynode return the rank of proc (0 --> jpnij -1 )
[3]	234
[2715]	235	lwp = (narea == 1) .OR. ln_ctl ! control of all listing output print
[1579]	236
[3837]	237	! Calculate domain z dimensions as needed when partitioning.
	238	! This used to be done in par_oce.F90 when they were parameters rather
	239	! than variables
	240	IF( Agrif_Root() ) THEN
	241	jpk = jpkdta ! third dim
	242	jpkm1 = jpk-1 ! inner domain indices
[4409]	243	jpkorig = jpk ! Copy of jpk that is NOT modified
	244	jpkf = jpk ! Max depth of this sub-domain. Initially set to jpk here
	245	! but altered later in domzgr
[3837]	246	ENDIF
	247
[3432]	248	CALL timing_init ! Init timing module
	249	CALL timing_disable ! but disable during startup
	250
[2715]	251	! If dimensions of processor grid weren't specified in the namelist file
	252	! then we calculate them here now that we have our communicator size
	253	IF( (jpni < 1) .OR. (jpnj < 1) )THEN
	254	#if defined key_mpp_mpi
[3432]	255	#if defined key_mpp_rkpart
	256	IF( Agrif_Root() ) CALL nemo_recursive_partition(mppsize)
	257	#else
[2715]	258	IF( Agrif_Root() ) CALL nemo_partition(mppsize)
[3432]	259	#endif
[2715]	260	#else
	261	jpni = 1
	262	jpnj = 1
	263	jpnij = jpni*jpnj
	264	#endif
[3837]	265
	266	#if defined key_mpp_rkpart
	267	ELSE
[4409]	268	CALL ctl_stop( 'STOP', &
	269	'nemo_init : invalid inputs in namelist - cannot specify jpn{i,j}>0 &
	270	& when using recursive k-section paritioning!' )
[3837]	271	#endif
[2715]	272	END IF
	273
	274	! Calculate domain dimensions given calculated jpni and jpnj
	275	! This used to be done in par_oce.F90 when they were parameters rather
	276	! than variables
	277	IF( Agrif_Root() ) THEN
[3432]	278	#if ! defined key_mpp_rkpart
[2715]	279	jpi = ( jpiglo-2jpreci + (jpni-1) ) / jpni + 2jpreci ! first dim.
	280	jpj = ( jpjglo-2jprecj + (jpnj-1) ) / jpnj + 2jprecj ! second dim.
	281	jpim1 = jpi-1 ! inner domain indices
	282	jpjm1 = jpj-1 ! " "
	283	jpij = jpi*jpj ! jpi x j
[3432]	284	#endif
[2715]	285	ENDIF
	286
[1593]	287	IF(lwp) THEN ! open listing units
	288	!
[1581]	289	CALL ctl_opn( numout, 'ocean.output', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, 6, .FALSE., narea )
[1593]	290	!
[1579]	291	WRITE(numout,*)
[1593]	292	WRITE(numout,*) ' CNRS - NERC - Met OFFICE - MERCATOR-ocean'
	293	WRITE(numout,*) ' NEMO team'
[1579]	294	WRITE(numout,*) ' Ocean General Circulation Model'
[2104]	295	WRITE(numout,*) ' version 3.3 (2010) '
[1579]	296	WRITE(numout,*)
	297	WRITE(numout,*)
[3432]	298	DO ji = 1, SIZE(cltxt,1)
[1593]	299	IF( TRIM(cltxt(ji)) /= '' ) WRITE(numout,*) cltxt(ji) ! control print of mynode
[1579]	300	END DO
[1593]	301	WRITE(numout,cform_aaa) ! Flag AAAAAAA
	302	!
[473]	303	ENDIF
[2715]	304
	305	! Now we know the dimensions of the grid and numout has been set we can
	306	! allocate arrays
	307	CALL nemo_alloc()
	308
[2496]	309	! !-------------------------------!
	310	! ! NEMO general initialization !
	311	! !-------------------------------!
[473]	312
[2496]	313	CALL nemo_ctl ! Control prints & Benchmark
[531]	314
[2082]	315	! ! Domain decomposition
[3432]	316	#if defined key_mpp_rkpart
	317	CALL mpp_init3 ! Remainder of set-up for
	318	! recursive partitioning
	319	#else
[1593]	320	IF( jpni*jpnj == jpnij ) THEN ; CALL mpp_init ! standard cutting out
	321	ELSE ; CALL mpp_init2 ! eliminate land processors
[3]	322	ENDIF
[3432]	323	#endif
[2382]	324	!
[2082]	325	! ! General initialization
[3432]	326	! CALL timing_init! Timing module
[2027]	327	CALL phy_cst ! Physical constants
	328	CALL eos_init ! Equation of state
	329	CALL dom_cfg ! Domain configuration
	330	CALL dom_init ! Domain
[413]	331
[2027]	332	IF( ln_ctl ) CALL prt_ctl_init ! Print control
	333
	334	IF( lk_obc ) CALL obc_init ! Open boundaries
	335	IF( lk_bdy ) CALL bdy_init ! Unstructured open boundaries
	336
	337	CALL istate_init ! ocean initial state (Dynamics and tracers)
	338
[3]	339	! ! Ocean physics
[2104]	340	CALL sbc_init ! Forcings : surface module
[2082]	341	! ! Vertical physics
	342	CALL zdf_init ! namelist read
	343	CALL zdf_bfr_init ! bottom friction
	344	IF( lk_zdfric ) CALL zdf_ric_init ! Richardson number dependent Kz
[2329]	345	IF( lk_zdftke ) CALL zdf_tke_init ! TKE closure scheme
	346	IF( lk_zdfgls ) CALL zdf_gls_init ! GLS closure scheme
	347	IF( lk_zdfkpp ) CALL zdf_kpp_init ! KPP closure scheme
[2082]	348	IF( lk_zdftmx ) CALL zdf_tmx_init ! tidal vertical mixing
[2027]	349	IF( lk_zdfddm .AND. .NOT. lk_zdfkpp ) &
[2082]	350	& CALL zdf_ddm_init ! double diffusive mixing
	351	! ! Lateral physics
	352	CALL ldf_tra_init ! Lateral ocean tracer physics
	353	CALL ldf_dyn_init ! Lateral ocean momentum physics
[2392]	354	IF( lk_ldfslp ) CALL ldf_slp_init ! slope of lateral mixing
[2082]	355
[2027]	356	! ! Active tracers
	357	CALL tra_qsr_init ! penetrative solar radiation qsr
[2325]	358	CALL tra_bbc_init ! bottom heat flux
[2027]	359	IF( lk_trabbl ) CALL tra_bbl_init ! advective (and/or diffusive) bottom boundary layer scheme
	360	IF( lk_tradmp ) CALL tra_dmp_init ! internal damping trends
	361	CALL tra_adv_init ! horizontal & vertical advection
	362	CALL tra_ldf_init ! lateral mixing
	363	CALL tra_zdf_init ! vertical mixing and after tracer fields
	364
	365	! ! Dynamics
	366	CALL dyn_adv_init ! advection (vector or flux form)
[2104]	367	CALL dyn_vor_init ! vorticity term including Coriolis
[2027]	368	CALL dyn_ldf_init ! lateral mixing
[2104]	369	CALL dyn_hpg_init ! horizontal gradient of Hydrostatic pressure
[2027]	370	CALL dyn_zdf_init ! vertical diffusion
	371	CALL dyn_spg_init ! surface pressure gradient
[2392]	372
	373	! ! Misc. options
	374	IF( nn_cla == 1 ) CALL cla_init ! Cross Land Advection
	375
[1594]	376	#if defined key_top
[2027]	377	! ! Passive tracers
[2082]	378	CALL trc_init
[1594]	379	#endif
[2382]	380	! ! Diagnostics
[2027]	381	CALL iom_init ! iom_put initialization
[2392]	382	IF( lk_floats ) CALL flo_init ! drifting Floats
	383	IF( lk_diaar5 ) CALL dia_ar5_init ! ar5 diag
[2027]	384	CALL dia_ptr_init ! Poleward TRansports initialization
[2148]	385	CALL dia_hsb_init ! heat content, salt content and volume budgets
[2027]	386	CALL trd_mod_init ! Mixed-layer/Vorticity/Integral constraints trends
[2392]	387	IF( lk_diaobs ) THEN ! Observation & model comparison
[2382]	388	CALL dia_obs_init ! Initialize observational data
	389	CALL dia_obs( nit000 - 1 ) ! Observation operator for restart
[2236]	390	ENDIF
[2382]	391	! ! Assimilation increments
[2392]	392	IF( lk_asminc ) CALL asm_inc_init ! Initialize assimilation increments
[2382]	393	IF(lwp) WRITE(numout,*) 'Euler time step switch is ', neuler
[1593]	394	!
[2496]	395	END SUBROUTINE nemo_init
[467]	396
	397
[2496]	398	SUBROUTINE nemo_ctl
[467]	399	!!----------------------------------------------------------------------
[2496]	400	!! * ROUTINE nemo_ctl *
[467]	401	!!
[2442]	402	!! ** Purpose : control print setting
[467]	403	!!
[2442]	404	!! ** Method : - print namctl information and check some consistencies
[467]	405	!!----------------------------------------------------------------------
[2442]	406	!
[2496]	407	IF(lwp) THEN ! control print
[531]	408	WRITE(numout,*)
[2496]	409	WRITE(numout,*) 'nemo_ctl: Control prints & Benchmark'
[531]	410	WRITE(numout,*) '~~~~~~~ '
[1593]	411	WRITE(numout,*) ' Namelist namctl'
[1601]	412	WRITE(numout,*) ' run control (for debugging) ln_ctl = ', ln_ctl
	413	WRITE(numout,*) ' level of print nn_print = ', nn_print
	414	WRITE(numout,*) ' Start i indice for SUM control nn_ictls = ', nn_ictls
	415	WRITE(numout,*) ' End i indice for SUM control nn_ictle = ', nn_ictle
	416	WRITE(numout,*) ' Start j indice for SUM control nn_jctls = ', nn_jctls
	417	WRITE(numout,*) ' End j indice for SUM control nn_jctle = ', nn_jctle
	418	WRITE(numout,*) ' number of proc. following i nn_isplt = ', nn_isplt
	419	WRITE(numout,*) ' number of proc. following j nn_jsplt = ', nn_jsplt
	420	WRITE(numout,*) ' benchmark parameter (0/1) nn_bench = ', nn_bench
[531]	421	ENDIF
[2442]	422	!
[1601]	423	nprint = nn_print ! convert DOCTOR namelist names into OLD names
	424	nictls = nn_ictls
	425	nictle = nn_ictle
	426	njctls = nn_jctls
	427	njctle = nn_jctle
	428	isplt = nn_isplt
	429	jsplt = nn_jsplt
	430	nbench = nn_bench
[2442]	431	! ! Parameter control
[1593]	432	!
	433	IF( ln_ctl ) THEN ! sub-domain area indices for the control prints
	434	IF( lk_mpp ) THEN
[2496]	435	isplt = jpni ; jsplt = jpnj ; ijsplt = jpni*jpnj ! the domain is forced to the real split domain
[531]	436	ELSE
	437	IF( isplt == 1 .AND. jsplt == 1 ) THEN
[1593]	438	CALL ctl_warn( ' - isplt & jsplt are equal to 1', &
	439	& ' - the print control will be done over the whole domain' )
[531]	440	ENDIF
[1593]	441	ijsplt = isplt * jsplt ! total number of processors ijsplt
[531]	442	ENDIF
	443	IF(lwp) WRITE(numout,*)' - The total number of processors over which the'
	444	IF(lwp) WRITE(numout,*)' print control will be done is ijsplt : ', ijsplt
[1593]	445	!
	446	! ! indices used for the SUM control
	447	IF( nictls+nictle+njctls+njctle == 0 ) THEN ! print control done over the default area
	448	lsp_area = .FALSE.
	449	ELSE ! print control done over a specific area
[531]	450	lsp_area = .TRUE.
	451	IF( nictls < 1 .OR. nictls > jpiglo ) THEN
	452	CALL ctl_warn( ' - nictls must be 1<=nictls>=jpiglo, it is forced to 1' )
	453	nictls = 1
	454	ENDIF
	455	IF( nictle < 1 .OR. nictle > jpiglo ) THEN
	456	CALL ctl_warn( ' - nictle must be 1<=nictle>=jpiglo, it is forced to jpiglo' )
	457	nictle = jpiglo
	458	ENDIF
	459	IF( njctls < 1 .OR. njctls > jpjglo ) THEN
	460	CALL ctl_warn( ' - njctls must be 1<=njctls>=jpjglo, it is forced to 1' )
	461	njctls = 1
	462	ENDIF
	463	IF( njctle < 1 .OR. njctle > jpjglo ) THEN
	464	CALL ctl_warn( ' - njctle must be 1<=njctle>=jpjglo, it is forced to jpjglo' )
	465	njctle = jpjglo
	466	ENDIF
[1593]	467	ENDIF
	468	ENDIF
[2442]	469	!
	470	IF( nbench == 1 ) THEN ! Benchmark
[531]	471	SELECT CASE ( cp_cfg )
[1593]	472	CASE ( 'gyre' ) ; CALL ctl_warn( ' The Benchmark is activated ' )
	473	CASE DEFAULT ; CALL ctl_stop( ' The Benchmark is based on the GYRE configuration:', &
	474	& ' key_gyre must be used or set nbench = 0' )
[531]	475	END SELECT
	476	ENDIF
[1593]	477	!
[2496]	478	IF( lk_c1d .AND. .NOT.lk_iomput ) CALL ctl_stop( 'nemo_ctl: The 1D configuration must be used ', &
	479	& 'with the IOM Input/Output manager. ' , &
[2442]	480	& 'Compile with key_iomput enabled' )
[2409]	481	!
[2496]	482	END SUBROUTINE nemo_ctl
[467]	483
	484
[2496]	485	SUBROUTINE nemo_closefile
[467]	486	!!----------------------------------------------------------------------
[2496]	487	!! * ROUTINE nemo_closefile *
[467]	488	!!
	489	!! ** Purpose : Close the files
	490	!!----------------------------------------------------------------------
[1593]	491	!
	492	IF( lk_mpp ) CALL mppsync
	493	!
[1685]	494	CALL iom_close ! close all input/output files managed by iom_*
[1593]	495	!
[1685]	496	IF( numstp /= -1 ) CLOSE( numstp ) ! time-step file
	497	IF( numsol /= -1 ) CLOSE( numsol ) ! solver file
	498	IF( numnam /= -1 ) CLOSE( numnam ) ! oce namelist
	499	IF( numnam_ice /= -1 ) CLOSE( numnam_ice ) ! ice namelist
	500	IF( numevo_ice /= -1 ) CLOSE( numevo_ice ) ! ice variables (temp. evolution)
	501	IF( numout /= 6 ) CLOSE( numout ) ! standard model output file
[1593]	502	!
[2442]	503	numout = 6 ! redefine numout in case it is used after this point...
	504	!
[2496]	505	END SUBROUTINE nemo_closefile
[467]	506
[2715]	507
	508	SUBROUTINE nemo_alloc
	509	!!----------------------------------------------------------------------
	510	!! * ROUTINE nemo_alloc *
	511	!!
	512	!! ** Purpose : Allocate all the dynamic arrays of the OPA modules
	513	!!
	514	!! ** Method :
	515	!!----------------------------------------------------------------------
	516	USE diawri , ONLY: dia_wri_alloc
	517	USE dom_oce , ONLY: dom_oce_alloc
	518	USE ldfdyn_oce, ONLY: ldfdyn_oce_alloc
	519	USE ldftra_oce, ONLY: ldftra_oce_alloc
	520	USE trc_oce , ONLY: trc_oce_alloc
	521	USE wrk_nemo , ONLY: wrk_alloc
[3432]	522	USE exchmod , ONLY: exchmod_alloc
[2715]	523	!
	524	INTEGER :: ierr
	525	!!----------------------------------------------------------------------
	526	!
	527	ierr = oce_alloc () ! ocean
	528	ierr = ierr + dia_wri_alloc ()
	529	ierr = ierr + dom_oce_alloc () ! ocean domain
	530	ierr = ierr + ldfdyn_oce_alloc() ! ocean lateral physics : dynamics
	531	ierr = ierr + ldftra_oce_alloc() ! ocean lateral physics : tracers
	532	ierr = ierr + zdf_oce_alloc () ! ocean vertical physics
	533	!
	534	ierr = ierr + lib_mpp_alloc (numout) ! mpp exchanges
	535	ierr = ierr + trc_oce_alloc () ! shared TRC / TRA arrays
	536	!
	537	ierr = ierr + wrk_alloc(numout, lwp) ! workspace
	538	!
[3432]	539	ierr = ierr + exchmod_alloc() ! New mpp msg framework
	540	!
[2715]	541	IF( lk_mpp ) CALL mpp_sum( ierr )
	542	IF( ierr /= 0 ) CALL ctl_stop( 'STOP', 'nemo_alloc : unable to allocate standard ocean arrays' )
	543	!
	544	END SUBROUTINE nemo_alloc
	545
	546
	547	SUBROUTINE nemo_partition( num_pes )
[3432]	548	USE mapcomm_mod, ONLY: trimmed
[2715]	549	!!----------------------------------------------------------------------
	550	!! * ROUTINE nemo_partition *
	551	!!
[3187]	552	!! ** Purpose : Work out a sensible factorisation of the number of
	553	!! processors for the x and y dimensions.
[2715]	554	!! ** Method :
	555	!!----------------------------------------------------------------------
	556	INTEGER, INTENT(in) :: num_pes ! The number of MPI processes we have
	557	!
[3187]	558	INTEGER :: ifact1, ifact2 ! factors of num_pes, ifact1 <= ifact2
[2715]	559	!!----------------------------------------------------------------------
	560
[3187]	561	! Factorise the number of processors into ifact1*ifact2, such that
	562	! ifact1 and ifact2 are as nearly equal as possible.
[2715]	563
[3187]	564	CALL sqfact( num_pes, ifact1, ifact2 )
[2715]	565
[3187]	566	! Make sure that the smaller dimension of the processor grid
	567	! is given the smaller dimension of the global domain
	568	IF( jpiglo <= jpjglo) THEN
	569	jpni = ifact1
	570	jpnj = ifact2
[2715]	571	ELSE
[3187]	572	jpni = ifact2
	573	jpnj = ifact1
[2715]	574	ENDIF
[3187]	575
	576	! This should never happen
	577	IF( (jpni*jpnj) /= num_pes) THEN
	578	WRITE (numout, *) 'WARNING: internal error - factorisation of number of PEs failed'
	579	ENDIF
	580
	581	! This should only happen if num_pes is prime
	582	IF( ifact1 <= 1 ) THEN
	583	WRITE (numout, *) 'WARNING: factorisation of number of PEs failed'
	584	WRITE (numout, *) ' : using grid of ',jpni,' x ',jpnj
	585	ENDIF
[2715]	586	!
	587	jpnij = jpni*jpnj
	588	!
[3432]	589
	590	! Array that stores whether domain boundaries have been trimmed. Not used in
	591	! this case (regular domain decomp.) so set all to false.
	592	ALLOCATE(trimmed(4,jpnij))
	593	trimmed(:,:) = .FALSE.
	594
[2715]	595	END SUBROUTINE nemo_partition
	596
[3432]	597
	598	SUBROUTINE nemo_recursive_partition( num_pes )
[3837]	599	USE in_out_manager, ONLY: numnam
[4409]	600	USE dom_oce, ONLY: ln_zco
[3837]	601	USE dom_oce, ONLY: gdepw_0, gdept_0, e3w_0, e3t_0, &
	602	mig, mjg, mi0, mi1, mj0, mj1, mbathy, bathy
	603	USE domzgr, ONLY: zgr_z, zgr_bat, namzgr, zgr_zco, zgr_zps
	604	USE closea, ONLY: dom_clo
	605	USE domain, ONLY: dom_nam
	606	USE iom, ONLY: jpiglo, jpjglo, wp, jpdom_unknown, &
	607	iom_open, iom_get, iom_close
[3849]	608	USE mapcomm_mod, ONLY: ielb, ieub, pielb, pjelb, pieub, pjeub, &
	609	iesub, jesub, jeub, ilbext, iubext, jubext, &
[3432]	610	jlbext, pnactive, piesub, pjesub, jelb, pilbext, &
[3849]	611	piubext, pjlbext, pjubext, LAND, trimmed, &
	612	msgtrim_z, set_num_subdomains
	613	USE partition_mod, ONLY: partition_rk, partition_mca_rk, read_partition, &
	614	imask, ibotlevel, partition_mask_alloc, &
[3837]	615	smooth_global_bathy, global_bot_level
[3432]	616	USE par_oce, ONLY: do_exchanges
	617	#if defined key_mpp_mpi
	618	USE mpi
	619	#endif
	620	!!----------------------------------------------------------------------
	621	!! * ROUTINE nemo_recursive_partition *
	622	!!
	623	!! ** Purpose : Work out a sensible factorisation of the number of
	624	!! processors for the x and y dimensions.
	625	!! ** Method :
	626	!!----------------------------------------------------------------------
	627	IMPLICIT none
	628	INTEGER, INTENT(in) :: num_pes ! The number of MPI processes we have
	629	! Local vars
	630	INTEGER :: ierr ! Error flag
	631	INTEGER :: inum ! temporary logical unit
	632	INTEGER :: ii,jj,iproc ! Loop index
[3837]	633	CHARACTER(LEN=8) :: lstr ! Local string for reading env. var.
	634	INTEGER :: lztrim ! Local int for " " "
[3432]	635	REAL(wp), ALLOCATABLE, DIMENSION(:,:) :: zdta ! temporary data workspace
	636	!!----------------------------------------------------------------------
	637
[3837]	638	! Allocate masking arrays used in partitioning
	639	CALL partition_mask_alloc(jpiglo,jpjglo,ierr)
[3432]	640	IF(ierr /= 0)THEN
[3837]	641	CALL ctl_stop('nemo_recursive_partition: failed to allocate masking arrays')
	642	RETURN
	643	END IF
	644
	645	! Allocate local workspace array for this routine
	646	ALLOCATE(zdta(jpiglo,jpjglo), Stat=ierr)
	647	IF(ierr /= 0)THEN
[3432]	648	CALL ctl_stop('nemo_recursive_partition: failed to allocate workspace arrays')
	649	RETURN
	650	END IF
	651
[3849]	652	! Check whether user has specified halo trimming in z via environment
	653	! variable.
[3837]	654	! Halo trimming in z is on by default
	655	msgtrim_z = .TRUE.
[3849]	656	CALL GET_ENVIRONMENT_VARIABLE(NAME='NEMO_MSGTRIM_Z', VALUE=lstr, &
	657	STATUS=ierr)
[3837]	658	IF( ierr == 0)THEN
[4409]	659	READ(lstr,FMT="(I10)",IOSTAT=ierr) lztrim
[3837]	660	IF(ierr == 0)THEN
	661	IF (lztrim == 0) msgtrim_z = .FALSE.
	662	ELSE
	663	CALL ctl_warn('nemo_recursive_partition: failed to parse value of NEMO_MSGTRIM_Z environment variable: '//TRIM(lstr))
	664	END IF
	665	END IF
	666
[3849]	667	IF(lwp) WRITE(,) 'ARPDBG: msgtrim_z = ',msgtrim_z
[3837]	668
	669	! ============================
	670	! Generate a global mask from the model bathymetry
	671	! ============================
[3432]	672
[3837]	673	! Read the z-coordinate options from the namelist file
	674	REWIND(numnam)
	675	READ (numnam, namzgr)
[3432]	676
[3837]	677	! Read domain options from namelist file
	678	CALL dom_nam()
[3432]	679
[3849]	680	! Allocate these arrays so we can use domzgr::zgr_z routine; free them
[3837]	681	! when we're done so as not to upset the 'official' allocation once
	682	! the domain decomposition is done.
	683	ALLOCATE(gdepw_0(jpk), gdept_0(jpk), e3w_0(jpk), e3t_0(jpk), &
	684	mig(jpiglo), mjg(jpjglo), &
	685	mbathy(jpiglo,jpjglo), bathy(jpiglo,jpjglo), Stat=ierr)
	686	IF(ierr /= 0)THEN
[3849]	687	CALL ctl_stop('STOP', &
	688	'nemo_recursive_partition: failed to allocate zgr_z() arrays')
[3837]	689	RETURN
	690	END IF
	691
	692	! Set-up reference depth coordinates
	693	CALL zgr_z()
	694
	695	! Set-up sub-domain limits as global domain for zgr_bat()
	696	nldi = 2 ; nlci = jpiglo - 1
	697	nldj = 2 ; nlcj = jpjglo - 1
	698	jpi = jpiglo
	699	jpj = jpjglo
	700
	701	! Set-up fake m{i,j}g arrays for zgr_bat() call
	702	DO ii = 1, jpiglo, 1
	703	mig(ii) = ii
	704	mi0(ii) = ii
	705	mi1(ii) = ii
	706	END DO
	707	DO jj = 1, jpjglo, 1
	708	mjg(jj) = jj
	709	mj0(jj) = jj
	710	mj1(jj) = jj
	711	END DO
	712
	713	! Initialise closed seas so loop over closed seas in zgr_bat works
	714	CALL dom_clo()
	715
	716	! Read-in bathy (if required) of global domain
	717	CALL zgr_bat(.TRUE.)
	718
[3432]	719	! land/sea mask (zero on land, 1 otherwise) over the global/zoom domain
	720	imask(:,:)=1
	721
[3837]	722	! Copy bathymetry in case we need to smooth it
	723	zdta(:,:) = bathy(:,:)
	724
	725	IF(ln_sco)THEN
	726	! If ln_sco defined then the bathymetry gets smoothed before the
	727	! simulation begins and that process can alter the coastlines (bug!)
	728	! therefore we do it here too before calculating our mask.
	729	CALL smooth_global_bathy(zdta, mbathy)
	730	ELSE IF(ln_zps)THEN
	731	CALL zgr_zps(.TRUE.)
	732	ELSE IF(ln_zco)THEN
	733	! Not certain this is required since mbathy computed in zgr_bat()
	734	! in this case.
	735	!CALL zgr_zco()
[3432]	736	END IF
	737
[3837]	738	! Compute the deepest/last ocean level for every point on the grid
	739	ibotlevel(:,:) = mbathy(:,:)
	740	CALL global_bot_level(ibotlevel)
	741
	742	! Comment-out line below to achieve a regular partition
	743	WHERE ( zdta(:,:) <= 1.0E-20 ) imask = LAND
	744
[3432]	745	! Allocate partitioning arrays.
	746
[3849]	747	IF ( .NOT. ALLOCATED(pielb) ) THEN
[3432]	748	ALLOCATE (pielb(num_pes), pieub(num_pes), piesub(num_pes), &
	749	pilbext(num_pes), piubext(num_pes), &
	750	pjelb(num_pes), pjeub(num_pes), pjesub(num_pes), &
	751	pjlbext(num_pes), pjubext(num_pes), pnactive(num_pes), &
[3849]	752	trimmed(4,num_pes), Stat = ierr)
[3432]	753	IF(ierr /= 0)THEN
	754	CALL ctl_stop('STOP', &
	755	'nemo_recursive_partition: failed to allocate partitioning arrays')
	756	RETURN
	757	END IF
	758	ENDIF
	759
[3849]	760	! Set error flag so that we calculate domain decomp if not reading
	761	! existing decomposition or if read fails.
	762	ierr = 1
[3432]	763
[3849]	764	IF( nn_readpart )THEN
	765	! Read the partitioning to use from disk
	766	CALL read_partition(ierr)
	767	IF ( ierr /= 0 ) THEN
	768	CALL ctl_warn('Read of pre-calculated domain decomposition failed - will calculate one instead.')
	769	END IF
	770	END IF
[3432]	771
[3849]	772	! Set the number of sub-domains for which we are to partition
	773	! (module var in mapcomm_mod)
	774	CALL set_num_subdomains(num_pes)
	775
	776	IF(ierr /= 0)THEN
	777	! Multi-core aware version of recursive k-section partitioning.
	778	! Currently only accounts for whether a grid point is wet or dry.
	779	! It has no knowledge of the number of wet levels at a point.
	780	CALL partition_mca_rk ( imask, 1, jpiglo, 1, jpjglo, ierr )
	781
	782	! Now we can do recursive k-section partitioning
	783	! ARPDBG - BUG if limits on array below are set to anything other than
	784	! 1 and jp{i,j}glo then check for external boundaries in a few lines
	785	! time WILL FAIL!
	786	! CALL partition_rk ( imask, 1, jpiglo, 1, jpjglo, ierr )
	787	END IF
	788
[3432]	789	! Check the error code from partitioning.
	790	IF ( ierr /= 0 ) THEN
	791	CALL ctl_stop('STOP','nemo_recursive_partition: Partitioning failed')
	792	RETURN
	793	ENDIF
	794
[3837]	795	! If we used generate_fake_land() above then we must set
	796	! the mask correctly now we've partitioned. This is only
	797	! necessary when testing.
[3432]	798	!WHERE ( zdta(:,:) <= 0. ) imask = 0
	799
[3837]	800	! ARPDBG Quick and dirty dump to stdout in gnuplot form
	801	IF(narea == 1)THEN
	802	OPEN(UNIT=998, FILE="imask.dat", &
	803	STATUS='REPLACE', ACTION='WRITE', IOSTAT=jj)
	804	IF( jj == 0 )THEN
	805	WRITE (998,*) '# Depth map'
	806	WRITE (998,*) '# i j bathy imask ibotlevel mbathy'
	807	DO jj = 1, jpjglo, 1
	808	DO ii = 1, jpiglo, 1
	809	WRITE (998,"(I4,1x,I4,1x,E16.6,1x,I4,1x,I4,1x,I4)") &
	810	ii, jj, zdta(ii,jj), imask(ii,jj), ibotlevel(ii,jj), mbathy(ii,jj)
	811	END DO
	812	WRITE (998,*)
	813	END DO
	814	CLOSE(998)
	815	END IF
	816	END IF
[3432]	817
	818	jpkm1 = jpk - 1
	819
	820	! This chunk taken directly from original mpp_ini - not sure why nbondi
	821	! is reset? However, if it isn't reset then bad things happen in dommsk
	822	! so I'm doing what the original code does...
	823	nperio = 0
	824	nbondi = 0
	825	IF( jperio == 1 .OR. jperio == 4 .OR. jperio == 6 ) THEN
	826	IF( jpni == 1 )THEN
	827	nbondi = 2
	828	nperio = 1
	829	END IF
	830	END IF
	831
	832	#if defined ARPDEBUG
[3837]	833	! This output is REQUIRED by the check_nemo_comms.pl test script
[3432]	834	WRITE (*,FMT="(I4,' : ARPDBG: ielb, ieub, iesub = ',3I5)") narea-1,&
	835	ielb, ieub, iesub
	836	WRITE (*,FMT="(I4,' : ARPDBG: jelb, jeub, jesub = ',3I5)") narea-1,&
	837	jelb, jeub, jesub
	838	WRITE (*,FMT="(I4,' : ARPDBG: nldi, nlei, nlci = ',3I5)") narea-1, &
	839	nldi, nlei, nlci
	840	WRITE (*,FMT="(I4,' : ARPDBG: nldj, nlej, nlcj = ',3I5)") narea-1, &
	841	nldj, nlej, nlcj
	842	WRITE (*,FMT="(I4,' : ARPDBG: jpi, jpj = ',2I5)") narea-1, jpi, jpj
	843	WRITE (*,FMT="(I4,' : ARPDBG: nimpp, njmpp = ',2I5)") narea-1, &
	844	nimpp, njmpp
	845	#endif
	846
	847	! Debugging option - can turn off all halo exchanges by setting this to
	848	! false.
	849	do_exchanges = .TRUE.
	850
[3837]	851	! Free the domzgr/_oce member arrays that we used earlier in zgr_z() and
	852	! zgr_bat().
	853	DEALLOCATE(gdepw_0, gdept_0, e3w_0, e3t_0, mig, mjg, &
	854	mbathy, bathy)
	855
[3432]	856	END SUBROUTINE nemo_recursive_partition
	857
	858
[3187]	859	SUBROUTINE sqfact ( kn, kna, knb )
[2715]	860	!!----------------------------------------------------------------------
[3187]	861	!! * ROUTINE sqfact *
[2715]	862	!!
[3187]	863	!! ** Purpose : return factors (kna, knb) of kn, such that
	864	!! (1) kna*knb=kn
	865	!! (2) kna and knb are as near equal as possible
	866	!! (3) kna < knb
	867	!! ** Method : Search backwards from the square root of kn,
	868	!! until we find an integer that cleanly divides kn
	869	!! ** Preconditions : kn must be positive
[2715]	870	!!----------------------------------------------------------------------
[3187]	871	INTEGER, INTENT(in ) :: kn
	872	INTEGER, INTENT( out) :: kna, knb
	873
	874	! Search backwards from the square root of n.
[2715]	875
[3849]	876	fact_loop: DO kna=INT(SQRT(REAL(kn))),1,-1
[3432]	877	IF ( kn/kna*kna == kn ) THEN
	878	EXIT fact_loop
	879	ENDIF
[3187]	880	END DO fact_loop
[2715]	881
[3187]	882	IF( kna < 1 ) kna = 1
[2715]	883
[3187]	884	! kna divides kn cleanly. Work out the other factor.
	885	knb = kn/kna
[2715]	886
[3187]	887	END SUBROUTINE sqfact
[2715]	888
[3432]	889
	890	SUBROUTINE generate_fake_land(imask)
	891	!!----------------------------------------------------------------------
	892	!! Generate a fake land mass to test the decomposition code
	893	!!----------------------------------------------------------------------
	894	USE par_oce, ONLY: jpiglo, jpjglo
	895	USE partition_mod, ONLY: write_partition_map
	896	IMPLICIT none
	897	INTEGER, DIMENSION(jpiglo,jpjglo), INTENT(inout) :: imask
	898	! Locals
	899	INTEGER :: ii, jj
	900	INTEGER :: icentre, jcentre
	901	INTEGER :: iwidth, iheight
	902	INTEGER :: istart, istop
	903
	904	! imask is zero on land points , unity on ocean points
	905	iwidth = jpiglo/8
	906	iheight = jpjglo/8
	907
	908	icentre = jpiglo/2
	909	jcentre = jpjglo/2
	910
	911	istart = icentre - iwidth
	912	istop = icentre + iwidth
	913	DO jj = jcentre, jcentre - iheight, -1
	914	imask(istart:istop,jj) = 0
	915	istart = istart + 1
	916	istop = istop - 1
	917	END DO
	918	istart = icentre - iwidth
	919	istop = icentre + iwidth
	920	DO jj = jcentre+1, jcentre + iheight, 1
	921	imask(istart:istop,jj) = 0
	922	istart = istart + 1
	923	istop = istop - 1
	924	END DO
	925
	926	! Quick and dirty dump to stdout in gnuplot form
	927	!!$ WRITE (,) 'GNUPLOT MAP'
	928	!!$ DO jj = 1, jpjglo, 1
	929	!!$ DO ii = 1, jpiglo, 1
	930	!!$ WRITE (,) ii, jj, imask(ii,jj)
	931	!!$ END DO
	932	!!$ WRITE (,)
	933	!!$ END DO
	934	!!$ WRITE (,) 'END GNUPLOT MAP'
	935
	936	END SUBROUTINE generate_fake_land
	937
[3]	938	!!======================================================================
[2496]	939	END MODULE nemogcm

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