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bdydta.F90 in NEMO/branches/2019/dev_r12114_ticket_2263/src/OCE/BDY – NEMO

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source: NEMO/branches/2019/dev_r12114_ticket_2263/src/OCE/BDY/bdydta.F90 @ 12127

Last change on this file since 12127 was 12127, checked in by smasson, 4 years ago
dev_r12114_ticket_2263: replace integer kt_offset by real pt_offset, see #2263
Property svn:keywords set to `Id`
File size: 39.4 KB

Rev	Line
[911]	1	MODULE bdydta
[1125]	2	!!======================================================================
	3	!! * MODULE bdydta *
[911]	4	!! Open boundary data : read the data for the unstructured open boundaries.
[1125]	5	!!======================================================================
	6	!! History : 1.0 ! 2005-01 (J. Chanut, A. Sellar) Original code
	7	!! - ! 2007-01 (D. Storkey) Update to use IOM module
[2528]	8	!! - ! 2007-07 (D. Storkey) add bdy_dta_fla
[1125]	9	!! 3.0 ! 2008-04 (NEMO team) add in the reference version
[2528]	10	!! 3.3 ! 2010-09 (E.O'Dea) modifications for Shelf configurations
	11	!! 3.3 ! 2010-09 (D.Storkey) add ice boundary conditions
[3294]	12	!! 3.4 ! 2011 (D. Storkey) rewrite in preparation for OBC-BDY merge
[9656]	13	!! 3.6 ! 2012-01 (C. Rousset) add ice boundary conditions for sea ice
	14	!! 4.0 ! 2018 (C. Rousset) SI3 compatibility
[1125]	15	!!----------------------------------------------------------------------
[9019]	16
[1125]	17	!!----------------------------------------------------------------------
[9019]	18	!! bdy_dta : read external data along open boundaries from file
	19	!! bdy_dta_init : initialise arrays etc for reading of external data
	20	!!----------------------------------------------------------------------
	21	USE oce ! ocean dynamics and tracers
	22	USE dom_oce ! ocean space and time domain
	23	USE phycst ! physical constants
	24	USE sbcapr ! atmospheric pressure forcing
	25	USE sbctide ! Tidal forcing or not
	26	USE bdy_oce ! ocean open boundary conditions
	27	USE bdytides ! tidal forcing at boundaries
[9570]	28	#if defined key_si3
[9019]	29	USE ice ! sea-ice variables
	30	USE icevar ! redistribute ice input into categories
[2528]	31	#endif
[9019]	32	!
[10529]	33	USE lib_mpp, ONLY: ctl_stop, ctl_nam
[9019]	34	USE fldread ! read input fields
	35	USE iom ! IOM library
	36	USE in_out_manager ! I/O logical units
	37	USE timing ! Timing
[911]	38
	39	IMPLICIT NONE
	40	PRIVATE
	41
[3294]	42	PUBLIC bdy_dta ! routine called by step.F90 and dynspg_ts.F90
	43	PUBLIC bdy_dta_init ! routine called by nemogcm.F90
[911]	44
[11536]	45	INTEGER , PARAMETER :: jpbdyfld = 16 ! maximum number of files to read
	46	INTEGER , PARAMETER :: jp_bdyssh = 1 !
	47	INTEGER , PARAMETER :: jp_bdyu2d = 2 !
	48	INTEGER , PARAMETER :: jp_bdyv2d = 3 !
	49	INTEGER , PARAMETER :: jp_bdyu3d = 4 !
	50	INTEGER , PARAMETER :: jp_bdyv3d = 5 !
	51	INTEGER , PARAMETER :: jp_bdytem = 6 !
	52	INTEGER , PARAMETER :: jp_bdysal = 7 !
	53	INTEGER , PARAMETER :: jp_bdya_i = 8 !
	54	INTEGER , PARAMETER :: jp_bdyh_i = 9 !
	55	INTEGER , PARAMETER :: jp_bdyh_s = 10 !
	56	INTEGER , PARAMETER :: jp_bdyt_i = 11 !
	57	INTEGER , PARAMETER :: jp_bdyt_s = 12 !
	58	INTEGER , PARAMETER :: jp_bdytsu = 13 !
	59	INTEGER , PARAMETER :: jp_bdys_i = 14 !
	60	INTEGER , PARAMETER :: jp_bdyaip = 15 !
	61	INTEGER , PARAMETER :: jp_bdyhip = 16 !
	62	#if ! defined key_si3
	63	INTEGER , PARAMETER :: jpl = 1
	64	#endif
	65
[4354]	66	!$AGRIF_DO_NOT_TREAT
[11536]	67	TYPE(FLD), PUBLIC, ALLOCATABLE, DIMENSION(:,:), TARGET :: bf ! structure of input fields (file informations, fields read)
[4354]	68	!$AGRIF_END_DO_NOT_TREAT
[911]	69
[1125]	70	!!----------------------------------------------------------------------
[9598]	71	!! NEMO/OCE 4.0 , NEMO Consortium (2018)
[1146]	72	!! $Id$
[10068]	73	!! Software governed by the CeCILL license (see ./LICENSE)
[1125]	74	!!----------------------------------------------------------------------
[911]	75	CONTAINS
	76
[12127]	77	SUBROUTINE bdy_dta( kt, kit, pt_offset )
[1125]	78	!!----------------------------------------------------------------------
[3294]	79	!! * SUBROUTINE bdy_dta *
[911]	80	!!
[3294]	81	!! ** Purpose : Update external data for open boundary conditions
[911]	82	!!
[3294]	83	!! ** Method : Use fldread.F90
	84	!!
[1125]	85	!!----------------------------------------------------------------------
[6140]	86	INTEGER, INTENT(in) :: kt ! ocean time-step index
[11536]	87	INTEGER, INTENT(in), OPTIONAL :: kit ! subcycle time-step index (for timesplitting option)
[12127]	88	REAL(wp),INTENT(in), OPTIONAL :: pt_offset ! time offset in units of timesteps. NB. if kit
[6140]	89	! ! is present then units = subcycle timesteps.
	90	!
[11536]	91	INTEGER :: jbdy, jfld, jstart, jend, ib, jl ! dummy loop indices
	92	INTEGER :: ii, ij, ik, igrd, ipl ! local integers
	93	INTEGER, DIMENSION(jpbgrd) :: ilen1
	94	INTEGER, DIMENSION(:), POINTER :: nblen, nblenrim ! short cuts
	95	TYPE(OBC_DATA) , POINTER :: dta_alias ! short cut
	96	TYPE(FLD), DIMENSION(:), POINTER :: bf_alias
[911]	97	!!---------------------------------------------------------------------------
[6140]	98	!
[9124]	99	IF( ln_timing ) CALL timing_start('bdy_dta')
[6140]	100	!
[3294]	101	! Initialise data arrays once for all from initial conditions where required
	102	!---------------------------------------------------------------------------
[11536]	103	IF( kt == nit000 .AND. .NOT.PRESENT(kit) ) THEN
[1125]	104
[3294]	105	! Calculate depth-mean currents
	106	!-----------------------------
[11536]	107
[9019]	108	DO jbdy = 1, nb_bdy
[6140]	109	!
[9019]	110	nblen => idx_bdy(jbdy)%nblen
	111	nblenrim => idx_bdy(jbdy)%nblenrim
	112	!
	113	IF( nn_dyn2d_dta(jbdy) == 0 ) THEN
[3651]	114	ilen1(:) = nblen(:)
[11536]	115	IF( dta_bdy(jbdy)%lneed_ssh ) THEN
[4292]	116	igrd = 1
	117	DO ib = 1, ilen1(igrd)
[9019]	118	ii = idx_bdy(jbdy)%nbi(ib,igrd)
	119	ij = idx_bdy(jbdy)%nbj(ib,igrd)
	120	dta_bdy(jbdy)%ssh(ib) = sshn(ii,ij) * tmask(ii,ij,1)
[11536]	121	END DO
[9019]	122	ENDIF
[11536]	123	IF( dta_bdy(jbdy)%lneed_dyn2d) THEN
[4292]	124	igrd = 2
	125	DO ib = 1, ilen1(igrd)
[9019]	126	ii = idx_bdy(jbdy)%nbi(ib,igrd)
	127	ij = idx_bdy(jbdy)%nbj(ib,igrd)
	128	dta_bdy(jbdy)%u2d(ib) = un_b(ii,ij) * umask(ii,ij,1)
[11536]	129	END DO
[4292]	130	igrd = 3
	131	DO ib = 1, ilen1(igrd)
[9019]	132	ii = idx_bdy(jbdy)%nbi(ib,igrd)
	133	ij = idx_bdy(jbdy)%nbj(ib,igrd)
	134	dta_bdy(jbdy)%v2d(ib) = vn_b(ii,ij) * vmask(ii,ij,1)
[11536]	135	END DO
[9019]	136	ENDIF
[4292]	137	ENDIF
[9019]	138	!
	139	IF( nn_dyn3d_dta(jbdy) == 0 ) THEN
[4292]	140	ilen1(:) = nblen(:)
[11536]	141	IF( dta_bdy(jbdy)%lneed_dyn3d ) THEN
[4292]	142	igrd = 2
	143	DO ib = 1, ilen1(igrd)
	144	DO ik = 1, jpkm1
[9019]	145	ii = idx_bdy(jbdy)%nbi(ib,igrd)
	146	ij = idx_bdy(jbdy)%nbj(ib,igrd)
	147	dta_bdy(jbdy)%u3d(ib,ik) = ( un(ii,ij,ik) - un_b(ii,ij) ) * umask(ii,ij,ik)
[3294]	148	END DO
[11536]	149	END DO
[4292]	150	igrd = 3
	151	DO ib = 1, ilen1(igrd)
	152	DO ik = 1, jpkm1
[9019]	153	ii = idx_bdy(jbdy)%nbi(ib,igrd)
	154	ij = idx_bdy(jbdy)%nbj(ib,igrd)
	155	dta_bdy(jbdy)%v3d(ib,ik) = ( vn(ii,ij,ik) - vn_b(ii,ij) ) * vmask(ii,ij,ik)
[11536]	156	END DO
	157	END DO
[9019]	158	ENDIF
[3294]	159	ENDIF
[911]	160
[9019]	161	IF( nn_tra_dta(jbdy) == 0 ) THEN
[3651]	162	ilen1(:) = nblen(:)
[11536]	163	IF( dta_bdy(jbdy)%lneed_tra ) THEN
[4292]	164	igrd = 1
	165	DO ib = 1, ilen1(igrd)
	166	DO ik = 1, jpkm1
[9019]	167	ii = idx_bdy(jbdy)%nbi(ib,igrd)
	168	ij = idx_bdy(jbdy)%nbj(ib,igrd)
[12049]	169	dta_bdy(jbdy)%tem(ib,ik) = tsn(ii,ij,ik,jp_tem) * tmask(ii,ij,ik)
	170	dta_bdy(jbdy)%sal(ib,ik) = tsn(ii,ij,ik,jp_sal) * tmask(ii,ij,ik)
[4292]	171	END DO
[11536]	172	END DO
[9019]	173	ENDIF
[3294]	174	ENDIF
[911]	175
[9570]	176	#if defined key_si3
[9657]	177	IF( nn_ice_dta(jbdy) == 0 ) THEN ! set ice to initial values
[3651]	178	ilen1(:) = nblen(:)
[11536]	179	IF( dta_bdy(jbdy)%lneed_ice ) THEN
[4292]	180	igrd = 1
	181	DO jl = 1, jpl
	182	DO ib = 1, ilen1(igrd)
[9019]	183	ii = idx_bdy(jbdy)%nbi(ib,igrd)
	184	ij = idx_bdy(jbdy)%nbj(ib,igrd)
[11536]	185	dta_bdy(jbdy)%a_i(ib,jl) = a_i (ii,ij,jl) * tmask(ii,ij,1)
	186	dta_bdy(jbdy)%h_i(ib,jl) = h_i (ii,ij,jl) * tmask(ii,ij,1)
	187	dta_bdy(jbdy)%h_s(ib,jl) = h_s (ii,ij,jl) * tmask(ii,ij,1)
	188	dta_bdy(jbdy)%t_i(ib,jl) = SUM(t_i (ii,ij,:,jl)) * r1_nlay_i * tmask(ii,ij,1)
	189	dta_bdy(jbdy)%t_s(ib,jl) = SUM(t_s (ii,ij,:,jl)) * r1_nlay_s * tmask(ii,ij,1)
	190	dta_bdy(jbdy)%tsu(ib,jl) = t_su(ii,ij,jl) * tmask(ii,ij,1)
	191	dta_bdy(jbdy)%s_i(ib,jl) = s_i (ii,ij,jl) * tmask(ii,ij,1)
	192	! melt ponds
	193	dta_bdy(jbdy)%aip(ib,jl) = a_ip(ii,ij,jl) * tmask(ii,ij,1)
	194	dta_bdy(jbdy)%hip(ib,jl) = h_ip(ii,ij,jl) * tmask(ii,ij,1)
[4292]	195	END DO
	196	END DO
	197	ENDIF
	198	ENDIF
[3294]	199	#endif
[9019]	200	END DO ! jbdy
[6140]	201	!
	202	ENDIF ! kt == nit000
[911]	203
[3294]	204	! update external data from files
	205	!--------------------------------
[3703]	206
[11536]	207	DO jbdy = 1, nb_bdy
[3703]	208
[11536]	209	dta_alias => dta_bdy(jbdy)
	210	bf_alias => bf(:,jbdy)
[3703]	211
[11536]	212	! read/update all bdy data
	213	! ------------------------
[12127]	214	CALL fld_read( kt, 1, bf_alias, kit = kit, pt_offset = pt_offset )
[4292]	215
[11536]	216	! apply some corrections in some specific cases...
	217	! --------------------------------------------------
	218	!
	219	! if runoff condition: change river flow we read (in m3/s) into barotropic velocity (m/s)
	220	IF( cn_tra(jbdy) == 'runoff' .AND. TRIM(bf_alias(jp_bdyu2d)%clrootname) /= 'NOT USED' ) THEN ! runoff and we read u/v2d
	221	!
	222	igrd = 2 ! zonal flow (m3/s) to barotropic zonal velocity (m/s)
	223	DO ib = 1, idx_bdy(jbdy)%nblen(igrd)
	224	ii = idx_bdy(jbdy)%nbi(ib,igrd)
	225	ij = idx_bdy(jbdy)%nbj(ib,igrd)
	226	dta_alias%u2d(ib) = dta_alias%u2d(ib) / ( e2u(ii,ij) * hu_0(ii,ij) )
	227	END DO
	228	igrd = 3 ! meridional flow (m3/s) to barotropic meridional velocity (m/s)
	229	DO ib = 1, idx_bdy(jbdy)%nblen(igrd)
	230	ii = idx_bdy(jbdy)%nbi(ib,igrd)
	231	ij = idx_bdy(jbdy)%nbj(ib,igrd)
	232	dta_alias%v2d(ib) = dta_alias%v2d(ib) / ( e1v(ii,ij) * hv_0(ii,ij) )
	233	END DO
	234	ENDIF
	235
	236	! tidal harmonic forcing ONLY: initialise arrays
	237	IF( nn_dyn2d_dta(jbdy) == 2 ) THEN ! we did not read ssh, u/v2d
	238	IF( dta_alias%lneed_ssh ) dta_alias%ssh(:) = 0._wp
	239	IF( dta_alias%lneed_dyn2d ) dta_alias%u2d(:) = 0._wp
	240	IF( dta_alias%lneed_dyn2d ) dta_alias%v2d(:) = 0._wp
	241	ENDIF
	242
	243	! If full velocities in boundary data, then split it into barotropic and baroclinic component
	244	IF( bf_alias(jp_bdyu3d)%ltotvel ) THEN ! if we read 3D total velocity (can be true only if u3d was read)
	245	!
	246	igrd = 2 ! zonal velocity
	247	dta_alias%u2d(:) = 0._wp ! compute barotrope zonal velocity and put it in u2d
	248	DO ib = 1, idx_bdy(jbdy)%nblen(igrd)
	249	ii = idx_bdy(jbdy)%nbi(ib,igrd)
	250	ij = idx_bdy(jbdy)%nbj(ib,igrd)
	251	DO ik = 1, jpkm1
	252	dta_alias%u2d(ib) = dta_alias%u2d(ib) + e3u_n(ii,ij,ik) * umask(ii,ij,ik) * dta_alias%u3d(ib,ik)
	253	END DO
	254	dta_alias%u2d(ib) = dta_alias%u2d(ib) * r1_hu_n(ii,ij)
	255	DO ik = 1, jpkm1 ! compute barocline zonal velocity and put it in u3d
	256	dta_alias%u3d(ib,ik) = dta_alias%u3d(ib,ik) - dta_alias%u2d(ib)
	257	END DO
	258	END DO
	259	igrd = 3 ! meridional velocity
	260	dta_alias%v2d(:) = 0._wp ! compute barotrope meridional velocity and put it in v2d
	261	DO ib = 1, idx_bdy(jbdy)%nblen(igrd)
	262	ii = idx_bdy(jbdy)%nbi(ib,igrd)
	263	ij = idx_bdy(jbdy)%nbj(ib,igrd)
	264	DO ik = 1, jpkm1
	265	dta_alias%v2d(ib) = dta_alias%v2d(ib) + e3v_n(ii,ij,ik) * vmask(ii,ij,ik) * dta_alias%v3d(ib,ik)
	266	END DO
	267	dta_alias%v2d(ib) = dta_alias%v2d(ib) * r1_hv_n(ii,ij)
	268	DO ik = 1, jpkm1 ! compute barocline meridional velocity and put it in v3d
	269	dta_alias%v3d(ib,ik) = dta_alias%v3d(ib,ik) - dta_alias%v2d(ib)
	270	END DO
	271	END DO
	272	ENDIF ! ltotvel
	273
	274	! update tidal harmonic forcing
	275	IF( PRESENT(kit) .AND. nn_dyn2d_dta(jbdy) .GE. 2 ) THEN
	276	CALL bdytide_update( kt = kt, idx = idx_bdy(jbdy), dta = dta_alias, td = tides(jbdy), &
[12127]	277	& kit = kit, pt_offset = pt_offset )
[11536]	278	ENDIF
	279
	280	! atm surface pressure : add inverted barometer effect to ssh if it was read
	281	IF ( ln_apr_obc .AND. TRIM(bf_alias(jp_bdyssh)%clrootname) /= 'NOT USED' ) THEN
	282	igrd = 1
	283	DO ib = 1, idx_bdy(jbdy)%nblenrim(igrd) ! ssh is used only on the rim
	284	ii = idx_bdy(jbdy)%nbi(ib,igrd)
	285	ij = idx_bdy(jbdy)%nbj(ib,igrd)
	286	dta_alias%ssh(ib) = dta_alias%ssh(ib) + ssh_ib(ii,ij)
	287	END DO
	288	ENDIF
	289
[9570]	290	#if defined key_si3
[11536]	291	IF( dta_alias%lneed_ice ) THEN
	292	! fill temperature and salinity arrays
	293	IF( TRIM(bf_alias(jp_bdyt_i)%clrootname) == 'NOT USED' ) bf_alias(jp_bdyt_i)%fnow(:,1,:) = rice_tem (jbdy)
	294	IF( TRIM(bf_alias(jp_bdyt_s)%clrootname) == 'NOT USED' ) bf_alias(jp_bdyt_s)%fnow(:,1,:) = rice_tem (jbdy)
	295	IF( TRIM(bf_alias(jp_bdytsu)%clrootname) == 'NOT USED' ) bf_alias(jp_bdytsu)%fnow(:,1,:) = rice_tem (jbdy)
	296	IF( TRIM(bf_alias(jp_bdys_i)%clrootname) == 'NOT USED' ) bf_alias(jp_bdys_i)%fnow(:,1,:) = rice_sal (jbdy)
	297	IF( TRIM(bf_alias(jp_bdyaip)%clrootname) == 'NOT USED' ) bf_alias(jp_bdyaip)%fnow(:,1,:) = rice_apnd(jbdy) * & ! rice_apnd is the pond fraction
	298	& bf_alias(jp_bdya_i)%fnow(:,1,:) ! ( a_ip = rice_apnd * a_i )
	299	IF( TRIM(bf_alias(jp_bdyhip)%clrootname) == 'NOT USED' ) bf_alias(jp_bdyhip)%fnow(:,1,:) = rice_hpnd(jbdy)
	300	! if T_su is read and not T_i, set T_i = (T_su + T_freeze)/2
	301	IF( TRIM(bf_alias(jp_bdytsu)%clrootname) /= 'NOT USED' .AND. TRIM(bf_alias(jp_bdyt_i)%clrootname) == 'NOT USED' ) &
	302	& bf_alias(jp_bdyt_i)%fnow(:,1,:) = 0.5_wp * ( bf_alias(jp_bdytsu)%fnow(:,1,:) + 271.15 )
	303	! if T_su is read and not T_s, set T_s = T_su
	304	IF( TRIM(bf_alias(jp_bdytsu)%clrootname) /= 'NOT USED' .AND. TRIM(bf_alias(jp_bdyt_s)%clrootname) == 'NOT USED' ) &
	305	& bf_alias(jp_bdyt_s)%fnow(:,1,:) = bf_alias(jp_bdytsu)%fnow(:,1,:)
	306	! if T_s is read and not T_su, set T_su = T_s
	307	IF( TRIM(bf_alias(jp_bdyt_s)%clrootname) /= 'NOT USED' .AND. TRIM(bf_alias(jp_bdytsu)%clrootname) == 'NOT USED' ) &
	308	& bf_alias(jp_bdytsu)%fnow(:,1,:) = bf_alias(jp_bdyt_s)%fnow(:,1,:)
	309	! if T_s is read and not T_i, set T_i = (T_s + T_freeze)/2
	310	IF( TRIM(bf_alias(jp_bdyt_s)%clrootname) /= 'NOT USED' .AND. TRIM(bf_alias(jp_bdyt_i)%clrootname) == 'NOT USED' ) &
	311	& bf_alias(jp_bdyt_i)%fnow(:,1,:) = 0.5_wp * ( bf_alias(jp_bdyt_s)%fnow(:,1,:) + 271.15 )
	312
	313	! make sure ponds = 0 if no ponds scheme
	314	IF ( .NOT.ln_pnd ) THEN
	315	bf_alias(jp_bdyaip)%fnow(:,1,:) = 0._wp
	316	bf_alias(jp_bdyhip)%fnow(:,1,:) = 0._wp
	317	ENDIF
	318
	319	! convert N-cat fields (input) into jpl-cat (output)
	320	ipl = SIZE(bf_alias(jp_bdya_i)%fnow, 3)
	321	IF( ipl /= jpl ) THEN ! ice: convert N-cat fields (input) into jpl-cat (output)
	322	CALL ice_var_itd( bf_alias(jp_bdyh_i)%fnow(:,1,:), bf_alias(jp_bdyh_s)%fnow(:,1,:), bf_alias(jp_bdya_i)%fnow(:,1,:), &
	323	& dta_alias%h_i , dta_alias%h_s , dta_alias%a_i , &
	324	& bf_alias(jp_bdyt_i)%fnow(:,1,:), bf_alias(jp_bdyt_s)%fnow(:,1,:), &
	325	& bf_alias(jp_bdytsu)%fnow(:,1,:), bf_alias(jp_bdys_i)%fnow(:,1,:), &
	326	& bf_alias(jp_bdyaip)%fnow(:,1,:), bf_alias(jp_bdyhip)%fnow(:,1,:), &
	327	& dta_alias%t_i , dta_alias%t_s , &
	328	& dta_alias%tsu , dta_alias%s_i , &
	329	& dta_alias%aip , dta_alias%hip )
	330	ENDIF
	331	ENDIF
[4292]	332	#endif
[9019]	333	END DO ! jbdy
[911]	334
[7646]	335	IF ( ln_tide ) THEN
	336	IF (ln_dynspg_ts) THEN ! Fill temporary arrays with slow-varying bdy data
[11536]	337	DO jbdy = 1, nb_bdy ! Tidal component added in ts loop
	338	IF ( nn_dyn2d_dta(jbdy) .GE. 2 ) THEN
[9019]	339	nblen => idx_bdy(jbdy)%nblen
	340	nblenrim => idx_bdy(jbdy)%nblenrim
[12127]	341	IF( cn_dyn2d(jbdy) == 'frs' ) THEN ; ilen1(:)=nblen(:)
	342	ELSE ; ilen1(:)=nblenrim(:)
[11536]	343	ENDIF
[12127]	344	IF ( dta_bdy(jbdy)%lneed_ssh ) dta_bdy_s(jbdy)%ssh(1:ilen1(1)) = dta_bdy(jbdy)%ssh(1:ilen1(1))
	345	IF ( dta_bdy(jbdy)%lneed_dyn2d ) dta_bdy_s(jbdy)%u2d(1:ilen1(2)) = dta_bdy(jbdy)%u2d(1:ilen1(2))
	346	IF ( dta_bdy(jbdy)%lneed_dyn2d ) dta_bdy_s(jbdy)%v2d(1:ilen1(3)) = dta_bdy(jbdy)%v2d(1:ilen1(3))
	347	ENDIF
	348	END DO
	349	ELSE ! Add tides if not split-explicit free surface else this is done in ts loop
	350	!
	351	CALL bdy_dta_tides( kt=kt, pt_offset=pt_offset )
[7646]	352	ENDIF
[12127]	353	ENDIF
	354	!
	355	IF( ln_timing ) CALL timing_stop('bdy_dta')
	356	!
	357	END SUBROUTINE bdy_dta
[4292]	358
[911]	359
[6140]	360	SUBROUTINE bdy_dta_init
[3294]	361	!!----------------------------------------------------------------------
	362	!! * SUBROUTINE bdy_dta_init *
	363	!!
	364	!! ** Purpose : Initialise arrays for reading of external data
	365	!! for open boundary conditions
	366	!!
[4292]	367	!! ** Method :
[3294]	368	!!
	369	!!----------------------------------------------------------------------
[11536]	370	INTEGER :: jbdy, jfld ! Local integers
	371	INTEGER :: ierror, ios !
[6140]	372	!
[11536]	373	CHARACTER(len=3) :: cl3 !
[3294]	374	CHARACTER(len=100) :: cn_dir ! Root directory for location of data files
	375	LOGICAL :: ln_full_vel ! =T => full velocities in 3D boundary data
[9019]	376	! ! =F => baroclinic velocities in 3D boundary data
[11536]	377	LOGICAL :: ln_zinterp ! =T => requires a vertical interpolation of the bdydta
	378	REAL(wp) :: rn_ice_tem, rn_ice_sal, rn_ice_age, rn_ice_apnd, rn_ice_hpnd
	379	INTEGER :: ipk,ipl !
	380	INTEGER :: idvar ! variable ID
	381	INTEGER :: indims ! number of dimensions of the variable
	382	INTEGER :: iszdim ! number of dimensions of the variable
	383	INTEGER, DIMENSION(4) :: i4dimsz ! size of variable dimensions
	384	INTEGER :: igrd ! index for grid type (1,2,3 = T,U,V)
	385	LOGICAL :: lluld ! is the variable using the unlimited dimension
	386	LOGICAL :: llneed !
	387	LOGICAL :: llread !
	388	TYPE(FLD_N), DIMENSION(1), TARGET :: bn_tem, bn_sal, bn_u3d, bn_v3d ! must be an array to be used with fld_fill
	389	TYPE(FLD_N), DIMENSION(1), TARGET :: bn_ssh, bn_u2d, bn_v2d ! informations about the fields to be read
	390	TYPE(FLD_N), DIMENSION(1), TARGET :: bn_a_i, bn_h_i, bn_h_s, bn_t_i, bn_t_s, bn_tsu, bn_s_i, bn_aip, bn_hip
	391	TYPE(FLD_N), DIMENSION(:), POINTER :: bn_alias ! must be an array to be used with fld_fill
	392	TYPE(FLD ), DIMENSION(:), POINTER :: bf_alias
	393	!
[3294]	394	NAMELIST/nambdy_dta/ cn_dir, bn_tem, bn_sal, bn_u3d, bn_v3d, bn_ssh, bn_u2d, bn_v2d
[11536]	395	NAMELIST/nambdy_dta/ bn_a_i, bn_h_i, bn_h_s, bn_t_i, bn_t_s, bn_tsu, bn_s_i, bn_aip, bn_hip
	396	NAMELIST/nambdy_dta/ rn_ice_tem, rn_ice_sal, rn_ice_age, rn_ice_apnd, rn_ice_hpnd
	397	NAMELIST/nambdy_dta/ ln_full_vel, ln_zinterp
[3294]	398	!!---------------------------------------------------------------------------
[6140]	399	!
[3651]	400	IF(lwp) WRITE(numout,*)
	401	IF(lwp) WRITE(numout,*) 'bdy_dta_ini : initialization of data at the open boundaries'
	402	IF(lwp) WRITE(numout,*) '~~~~~~~~~~'
	403	IF(lwp) WRITE(numout,*) ''
	404
[11536]	405	ALLOCATE( bf(jpbdyfld,nb_bdy), STAT=ierror )
[3294]	406	IF( ierror > 0 ) THEN
	407	CALL ctl_stop( 'bdy_dta: unable to allocate bf structure' ) ; RETURN
[911]	408	ENDIF
[11536]	409	bf(:,:)%clrootname = 'NOT USED' ! default definition used as a flag in fld_read to do nothing.
	410	bf(:,:)%lzint = .FALSE. ! default definition
	411	bf(:,:)%ltotvel = .FALSE. ! default definition
	412
[3294]	413	! Read namelists
	414	! --------------
[4147]	415	REWIND(numnam_cfg)
[11536]	416	DO jbdy = 1, nb_bdy
[4147]	417
[11536]	418	WRITE(ctmp1, '(a,i2)') 'BDY number ', jbdy
	419	WRITE(ctmp2, '(a,i2)') 'block nambdy_dta number ', jbdy
[911]	420
[11536]	421	! There is only one nambdy_dta block in namelist_ref -> use it for each bdy so we do a rewind
	422	REWIND(numnam_ref)
	423	READ ( numnam_ref, nambdy_dta, IOSTAT = ios, ERR = 901)
	424	901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nambdy_dta in reference namelist' )
[911]	425
[11536]	426	! by-pass nambdy_dta reading if no input data used in this bdy
	427	IF( ( dta_bdy(jbdy)%lneed_dyn2d .AND. MOD(nn_dyn2d_dta(jbdy),2) == 1 ) &
	428	& .OR. ( dta_bdy(jbdy)%lneed_dyn3d .AND. nn_dyn3d_dta(jbdy) == 1 ) &
	429	& .OR. ( dta_bdy(jbdy)%lneed_tra .AND. nn_tra_dta(jbdy) == 1 ) &
	430	& .OR. ( dta_bdy(jbdy)%lneed_ice .AND. nn_ice_dta(jbdy) == 1 ) ) THEN
	431	! WARNING: we don't do a rewind here, each bdy reads its own nambdy_dta block one after another
	432	READ ( numnam_cfg, nambdy_dta, IOSTAT = ios, ERR = 902 )
	433	902 IF( ios > 0 ) CALL ctl_nam ( ios , 'nambdy_dta in configuration namelist' )
	434	IF(lwm) WRITE( numond, nambdy_dta )
	435	ENDIF
[911]	436
[11536]	437	! get the number of ice categories in bdy data file (use a_i information to do this)
	438	ipl = jpl ! default definition
	439	IF( dta_bdy(jbdy)%lneed_ice ) THEN ! if we need ice bdy data
	440	IF( nn_ice_dta(jbdy) == 1 ) THEN ! if we get ice bdy data from netcdf file
	441	CALL fld_fill( bf(jp_bdya_i,jbdy:jbdy), bn_a_i, cn_dir, 'bdy_dta', 'a_i'//' '//ctmp1, ctmp2 ) ! use namelist info
[12116]	442	CALL fld_def( bf(jp_bdya_i,jbdy) )
	443	CALL iom_open( bf(jp_bdya_i,jbdy)%clname, bf(jp_bdya_i,jbdy)%num )
[11536]	444	idvar = iom_varid( bf(jp_bdya_i,jbdy)%num, bf(jp_bdya_i,jbdy)%clvar, kndims=indims, kdimsz=i4dimsz, lduld=lluld )
	445	IF( indims == 4 .OR. ( indims == 3 .AND. .NOT. lluld ) ) THEN ; ipl = i4dimsz(3) ! xylt or xyl
	446	ELSE ; ipl = 1 ! xy or xyt
[3294]	447	ENDIF
[12116]	448	CALL iom_close( bf(jp_bdya_i,jbdy)%num )
[11891]	449	bf(jp_bdya_i,jbdy)%clrootname = 'NOT USED' ! reset to default value as this subdomain may not need to read this bdy
[11536]	450	ENDIF
	451	ENDIF
[911]	452
[11536]	453	#if defined key_si3
	454	IF( .NOT.ln_pnd ) THEN
	455	rn_ice_apnd = 0. ; rn_ice_hpnd = 0.
	456	CALL ctl_warn( 'rn_ice_apnd & rn_ice_hpnd = 0 when no ponds' )
	457	ENDIF
	458	#endif
[911]	459
[11536]	460	! temp, salt, age and ponds of incoming ice
	461	rice_tem (jbdy) = rn_ice_tem
	462	rice_sal (jbdy) = rn_ice_sal
	463	rice_age (jbdy) = rn_ice_age
	464	rice_apnd(jbdy) = rn_ice_apnd
	465	rice_hpnd(jbdy) = rn_ice_hpnd
	466
	467
	468	DO jfld = 1, jpbdyfld
[911]	469
[11536]	470	! =====================
	471	! ssh
	472	! =====================
	473	IF( jfld == jp_bdyssh ) THEN
	474	cl3 = 'ssh'
	475	igrd = 1 ! T point
	476	ipk = 1 ! surface data
	477	llneed = dta_bdy(jbdy)%lneed_ssh ! dta_bdy(jbdy)%ssh will be needed
	478	llread = MOD(nn_dyn2d_dta(jbdy),2) == 1 ! get data from NetCDF file
	479	bf_alias => bf(jp_bdyssh,jbdy:jbdy) ! alias for ssh structure of bdy number jbdy
	480	bn_alias => bn_ssh ! alias for ssh structure of nambdy_dta
	481	iszdim = idx_bdy(jbdy)%nblenrim(igrd) ! length of this bdy on this MPI processus : used only on the rim
[3294]	482	ENDIF
[11536]	483	! =====================
	484	! dyn2d
	485	! =====================
	486	IF( jfld == jp_bdyu2d ) THEN
	487	cl3 = 'u2d'
	488	igrd = 2 ! U point
	489	ipk = 1 ! surface data
	490	llneed = dta_bdy(jbdy)%lneed_dyn2d ! dta_bdy(jbdy)%ssh will be needed
	491	llread = .NOT. ln_full_vel .AND. MOD(nn_dyn2d_dta(jbdy),2) == 1 ! don't get u2d from u3d and read NetCDF file
	492	bf_alias => bf(jp_bdyu2d,jbdy:jbdy) ! alias for u2d structure of bdy number jbdy
	493	bn_alias => bn_u2d ! alias for u2d structure of nambdy_dta
	494	IF( ln_full_vel ) THEN ; iszdim = idx_bdy(jbdy)%nblen(igrd) ! will be computed from u3d -> need on the full bdy
	495	ELSE ; iszdim = idx_bdy(jbdy)%nblenrim(igrd) ! used only on the rim
[4292]	496	ENDIF
[3294]	497	ENDIF
[11536]	498	IF( jfld == jp_bdyv2d ) THEN
	499	cl3 = 'v2d'
	500	igrd = 3 ! V point
	501	ipk = 1 ! surface data
	502	llneed = dta_bdy(jbdy)%lneed_dyn2d ! dta_bdy(jbdy)%ssh will be needed
	503	llread = .NOT. ln_full_vel .AND. MOD(nn_dyn2d_dta(jbdy),2) == 1 ! don't get v2d from v3d and read NetCDF file
	504	bf_alias => bf(jp_bdyv2d,jbdy:jbdy) ! alias for v2d structure of bdy number jbdy
	505	bn_alias => bn_v2d ! alias for v2d structure of nambdy_dta
	506	IF( ln_full_vel ) THEN ; iszdim = idx_bdy(jbdy)%nblen(igrd) ! will be computed from v3d -> need on the full bdy
	507	ELSE ; iszdim = idx_bdy(jbdy)%nblenrim(igrd) ! used only on the rim
[4292]	508	ENDIF
[911]	509	ENDIF
[11536]	510	! =====================
	511	! dyn3d
	512	! =====================
	513	IF( jfld == jp_bdyu3d ) THEN
	514	cl3 = 'u3d'
	515	igrd = 2 ! U point
	516	ipk = jpk ! 3d data
	517	llneed = dta_bdy(jbdy)%lneed_dyn3d .OR. & ! dta_bdy(jbdy)%u3d will be needed
	518	& ( dta_bdy(jbdy)%lneed_dyn2d .AND. ln_full_vel ) ! u3d needed to compute u2d
	519	llread = nn_dyn3d_dta(jbdy) == 1 ! get data from NetCDF file
	520	bf_alias => bf(jp_bdyu3d,jbdy:jbdy) ! alias for u3d structure of bdy number jbdy
	521	bn_alias => bn_u3d ! alias for u3d structure of nambdy_dta
	522	iszdim = idx_bdy(jbdy)%nblen(igrd) ! length of this bdy on this MPI processus
	523	ENDIF
	524	IF( jfld == jp_bdyv3d ) THEN
	525	cl3 = 'v3d'
	526	igrd = 3 ! V point
	527	ipk = jpk ! 3d data
	528	llneed = dta_bdy(jbdy)%lneed_dyn3d .OR. & ! dta_bdy(jbdy)%v3d will be needed
	529	& ( dta_bdy(jbdy)%lneed_dyn2d .AND. ln_full_vel ) ! v3d needed to compute v2d
	530	llread = nn_dyn3d_dta(jbdy) == 1 ! get data from NetCDF file
	531	bf_alias => bf(jp_bdyv3d,jbdy:jbdy) ! alias for v3d structure of bdy number jbdy
	532	bn_alias => bn_v3d ! alias for v3d structure of nambdy_dta
	533	iszdim = idx_bdy(jbdy)%nblen(igrd) ! length of this bdy on this MPI processus
	534	ENDIF
[911]	535
[11536]	536	! =====================
	537	! tra
	538	! =====================
	539	IF( jfld == jp_bdytem ) THEN
	540	cl3 = 'tem'
	541	igrd = 1 ! T point
	542	ipk = jpk ! 3d data
	543	llneed = dta_bdy(jbdy)%lneed_tra ! dta_bdy(jbdy)%tem will be needed
	544	llread = nn_tra_dta(jbdy) == 1 ! get data from NetCDF file
	545	bf_alias => bf(jp_bdytem,jbdy:jbdy) ! alias for ssh structure of bdy number jbdy
	546	bn_alias => bn_tem ! alias for ssh structure of nambdy_dta
	547	iszdim = idx_bdy(jbdy)%nblen(igrd) ! length of this bdy on this MPI processus
[4333]	548	ENDIF
[11536]	549	IF( jfld == jp_bdysal ) THEN
	550	cl3 = 'sal'
	551	igrd = 1 ! T point
	552	ipk = jpk ! 3d data
	553	llneed = dta_bdy(jbdy)%lneed_tra ! dta_bdy(jbdy)%sal will be needed
	554	llread = nn_tra_dta(jbdy) == 1 ! get data from NetCDF file
	555	bf_alias => bf(jp_bdysal,jbdy:jbdy) ! alias for ssh structure of bdy number jbdy
	556	bn_alias => bn_sal ! alias for ssh structure of nambdy_dta
	557	iszdim = idx_bdy(jbdy)%nblen(igrd) ! length of this bdy on this MPI processus
[3294]	558	ENDIF
[911]	559
[11536]	560	! =====================
	561	! ice
	562	! =====================
	563	IF( jfld == jp_bdya_i .OR. jfld == jp_bdyh_i .OR. jfld == jp_bdyh_s .OR. &
	564	& jfld == jp_bdyt_i .OR. jfld == jp_bdyt_s .OR. jfld == jp_bdytsu .OR. &
	565	& jfld == jp_bdys_i .OR. jfld == jp_bdyaip .OR. jfld == jp_bdyhip ) THEN
	566	igrd = 1 ! T point
	567	ipk = ipl ! jpl-cat data
	568	llneed = dta_bdy(jbdy)%lneed_ice ! ice will be needed
	569	llread = nn_ice_dta(jbdy) == 1 ! get data from NetCDF file
	570	iszdim = idx_bdy(jbdy)%nblen(igrd) ! length of this bdy on this MPI processus
[4292]	571	ENDIF
[11536]	572	IF( jfld == jp_bdya_i ) THEN
	573	cl3 = 'a_i'
	574	bf_alias => bf(jp_bdya_i,jbdy:jbdy) ! alias for a_i structure of bdy number jbdy
	575	bn_alias => bn_a_i ! alias for a_i structure of nambdy_dta
[4292]	576	ENDIF
[11536]	577	IF( jfld == jp_bdyh_i ) THEN
	578	cl3 = 'h_i'
	579	bf_alias => bf(jp_bdyh_i,jbdy:jbdy) ! alias for h_i structure of bdy number jbdy
	580	bn_alias => bn_h_i ! alias for h_i structure of nambdy_dta
[3294]	581	ENDIF
[11536]	582	IF( jfld == jp_bdyh_s ) THEN
	583	cl3 = 'h_s'
	584	bf_alias => bf(jp_bdyh_s,jbdy:jbdy) ! alias for h_s structure of bdy number jbdy
	585	bn_alias => bn_h_s ! alias for h_s structure of nambdy_dta
[4292]	586	ENDIF
[11536]	587	IF( jfld == jp_bdyt_i ) THEN
	588	cl3 = 't_i'
	589	bf_alias => bf(jp_bdyt_i,jbdy:jbdy) ! alias for t_i structure of bdy number jbdy
	590	bn_alias => bn_t_i ! alias for t_i structure of nambdy_dta
[4292]	591	ENDIF
[11536]	592	IF( jfld == jp_bdyt_s ) THEN
	593	cl3 = 't_s'
	594	bf_alias => bf(jp_bdyt_s,jbdy:jbdy) ! alias for t_s structure of bdy number jbdy
	595	bn_alias => bn_t_s ! alias for t_s structure of nambdy_dta
[4292]	596	ENDIF
[11536]	597	IF( jfld == jp_bdytsu ) THEN
	598	cl3 = 'tsu'
	599	bf_alias => bf(jp_bdytsu,jbdy:jbdy) ! alias for tsu structure of bdy number jbdy
	600	bn_alias => bn_tsu ! alias for tsu structure of nambdy_dta
[3294]	601	ENDIF
[11536]	602	IF( jfld == jp_bdys_i ) THEN
	603	cl3 = 's_i'
	604	bf_alias => bf(jp_bdys_i,jbdy:jbdy) ! alias for s_i structure of bdy number jbdy
	605	bn_alias => bn_s_i ! alias for s_i structure of nambdy_dta
	606	ENDIF
	607	IF( jfld == jp_bdyaip ) THEN
	608	cl3 = 'aip'
	609	bf_alias => bf(jp_bdyaip,jbdy:jbdy) ! alias for aip structure of bdy number jbdy
	610	bn_alias => bn_aip ! alias for aip structure of nambdy_dta
	611	ENDIF
	612	IF( jfld == jp_bdyhip ) THEN
	613	cl3 = 'hip'
	614	bf_alias => bf(jp_bdyhip,jbdy:jbdy) ! alias for hip structure of bdy number jbdy
	615	bn_alias => bn_hip ! alias for hip structure of nambdy_dta
	616	ENDIF
[911]	617
[11879]	618	IF( llneed .AND. iszdim > 0 ) THEN ! dta_bdy(jbdy)%xxx will be needed
[11536]	619	! ! -> must be associated with an allocated target
	620	ALLOCATE( bf_alias(1)%fnow( iszdim, 1, ipk ) ) ! allocate the target
	621	!
	622	IF( llread ) THEN ! get data from NetCDF file
	623	CALL fld_fill( bf_alias, bn_alias, cn_dir, 'bdy_dta', cl3//' '//ctmp1, ctmp2 ) ! use namelist info
	624	IF( bf_alias(1)%ln_tint ) ALLOCATE( bf_alias(1)%fdta( iszdim, 1, ipk, 2 ) )
	625	bf_alias(1)%imap => idx_bdy(jbdy)%nbmap(1:iszdim,igrd) ! associate the mapping used for this bdy
	626	bf_alias(1)%igrd = igrd ! used only for vertical integration of 3D arrays
[11793]	627	bf_alias(1)%ibdy = jbdy ! " " " " " " " "
[11536]	628	bf_alias(1)%ltotvel = ln_full_vel ! T if u3d is full velocity
	629	bf_alias(1)%lzint = ln_zinterp ! T if it requires a vertical interpolation
[4292]	630	ENDIF
	631
[11536]	632	! associate the pointer and get rid of the dimensions with a size equal to 1
	633	IF( jfld == jp_bdyssh ) dta_bdy(jbdy)%ssh => bf_alias(1)%fnow(:,1,1)
	634	IF( jfld == jp_bdyu2d ) dta_bdy(jbdy)%u2d => bf_alias(1)%fnow(:,1,1)
	635	IF( jfld == jp_bdyv2d ) dta_bdy(jbdy)%v2d => bf_alias(1)%fnow(:,1,1)
	636	IF( jfld == jp_bdyu3d ) dta_bdy(jbdy)%u3d => bf_alias(1)%fnow(:,1,:)
	637	IF( jfld == jp_bdyv3d ) dta_bdy(jbdy)%v3d => bf_alias(1)%fnow(:,1,:)
	638	IF( jfld == jp_bdytem ) dta_bdy(jbdy)%tem => bf_alias(1)%fnow(:,1,:)
	639	IF( jfld == jp_bdysal ) dta_bdy(jbdy)%sal => bf_alias(1)%fnow(:,1,:)
	640	IF( jfld == jp_bdya_i ) THEN
	641	IF( ipk == jpl ) THEN ; dta_bdy(jbdy)%a_i => bf_alias(1)%fnow(:,1,:)
	642	ELSE ; ALLOCATE( dta_bdy(jbdy)%a_i(iszdim,jpl) )
	643	ENDIF
	644	ENDIF
	645	IF( jfld == jp_bdyh_i ) THEN
	646	IF( ipk == jpl ) THEN ; dta_bdy(jbdy)%h_i => bf_alias(1)%fnow(:,1,:)
	647	ELSE ; ALLOCATE( dta_bdy(jbdy)%h_i(iszdim,jpl) )
	648	ENDIF
	649	ENDIF
	650	IF( jfld == jp_bdyh_s ) THEN
	651	IF( ipk == jpl ) THEN ; dta_bdy(jbdy)%h_s => bf_alias(1)%fnow(:,1,:)
	652	ELSE ; ALLOCATE( dta_bdy(jbdy)%h_s(iszdim,jpl) )
	653	ENDIF
	654	ENDIF
	655	IF( jfld == jp_bdyt_i ) THEN
	656	IF( ipk == jpl ) THEN ; dta_bdy(jbdy)%t_i => bf_alias(1)%fnow(:,1,:)
	657	ELSE ; ALLOCATE( dta_bdy(jbdy)%t_i(iszdim,jpl) )
	658	ENDIF
	659	ENDIF
	660	IF( jfld == jp_bdyt_s ) THEN
	661	IF( ipk == jpl ) THEN ; dta_bdy(jbdy)%t_s => bf_alias(1)%fnow(:,1,:)
	662	ELSE ; ALLOCATE( dta_bdy(jbdy)%t_s(iszdim,jpl) )
	663	ENDIF
	664	ENDIF
	665	IF( jfld == jp_bdytsu ) THEN
	666	IF( ipk == jpl ) THEN ; dta_bdy(jbdy)%tsu => bf_alias(1)%fnow(:,1,:)
	667	ELSE ; ALLOCATE( dta_bdy(jbdy)%tsu(iszdim,jpl) )
	668	ENDIF
	669	ENDIF
	670	IF( jfld == jp_bdys_i ) THEN
	671	IF( ipk == jpl ) THEN ; dta_bdy(jbdy)%s_i => bf_alias(1)%fnow(:,1,:)
	672	ELSE ; ALLOCATE( dta_bdy(jbdy)%s_i(iszdim,jpl) )
	673	ENDIF
	674	ENDIF
	675	IF( jfld == jp_bdyaip ) THEN
	676	IF( ipk == jpl ) THEN ; dta_bdy(jbdy)%aip => bf_alias(1)%fnow(:,1,:)
	677	ELSE ; ALLOCATE( dta_bdy(jbdy)%aip(iszdim,jpl) )
	678	ENDIF
	679	ENDIF
	680	IF( jfld == jp_bdyhip ) THEN
	681	IF( ipk == jpl ) THEN ; dta_bdy(jbdy)%hip => bf_alias(1)%fnow(:,1,:)
	682	ELSE ; ALLOCATE( dta_bdy(jbdy)%hip(iszdim,jpl) )
	683	ENDIF
	684	ENDIF
[4292]	685	ENDIF
[11536]	686
	687	END DO ! jpbdyfld
[6140]	688	!
[9019]	689	END DO ! jbdy
[6140]	690	!
	691	END SUBROUTINE bdy_dta_init
[11536]	692
[911]	693	!!==============================================================================
	694	END MODULE bdydta

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