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dynatf.F90 in NEMO/branches/2020/dev_r12377_KERNEL-06_techene_e3/src/OCE/DYN – NEMO

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source: NEMO/branches/2020/dev_r12377_KERNEL-06_techene_e3/src/OCE/DYN/dynatf.F90 @ 12732

Last change on this file since 12732 was 12732, checked in by techene, 4 years ago
some cleaning and proper module/routine name, mini bug introduced and corrected in sbcice_cice
Property svn:keywords set to `Id`
File size: 17.9 KB

Rev	Line
[11050]	1	MODULE dynatf
[1502]	2	!!=========================================================================
[11050]	3	!! * MODULE dynatf *
	4	!! Ocean dynamics: time filtering
[1502]	5	!!=========================================================================
[1438]	6	!! History : OPA ! 1987-02 (P. Andrich, D. L Hostis) Original code
	7	!! ! 1990-10 (C. Levy, G. Madec)
	8	!! 7.0 ! 1993-03 (M. Guyon) symetrical conditions
	9	!! 8.0 ! 1997-02 (G. Madec & M. Imbard) opa, release 8.0
	10	!! 8.2 ! 1997-04 (A. Weaver) Euler forward step
	11	!! - ! 1997-06 (G. Madec) lateral boudary cond., lbc routine
	12	!! NEMO 1.0 ! 2002-08 (G. Madec) F90: Free form and module
	13	!! - ! 2002-10 (C. Talandier, A-M. Treguier) Open boundary cond.
	14	!! 2.0 ! 2005-11 (V. Garnier) Surface pressure gradient organization
[12581]	15	!! 2.3 ! 2007-07 (D. Storkey) Calls to BDY routines.
[1502]	16	!! 3.2 ! 2009-06 (G. Madec, R.Benshila) re-introduce the vvl option
[2528]	17	!! 3.3 ! 2010-09 (D. Storkey, E.O'Dea) Bug fix for BDY module
[2723]	18	!! 3.3 ! 2011-03 (P. Oddo) Bug fix for time-splitting+(BDY-OBC) and not VVL
[4292]	19	!! 3.5 ! 2013-07 (J. Chanut) Compliant with time splitting changes
[6140]	20	!! 3.6 ! 2014-04 (G. Madec) add the diagnostic of the time filter trends
[5930]	21	!! 3.7 ! 2015-11 (J. Chanut) Free surface simplification
[11475]	22	!! 4.1 ! 2019-08 (A. Coward, D. Storkey) Rename dynnxt.F90 -> dynatf.F90. Now just does time filtering.
[1502]	23	!!-------------------------------------------------------------------------
[12581]	24
[11050]	25	!!----------------------------------------------------------------------------------------------
	26	!! dyn_atf : apply Asselin time filtering to "now" velocities and vertical scale factors
	27	!!----------------------------------------------------------------------------------------------
[6140]	28	USE oce ! ocean dynamics and tracers
	29	USE dom_oce ! ocean space and time domain
	30	USE sbc_oce ! Surface boundary condition: ocean fields
[9023]	31	USE sbcrnf ! river runoffs
[6140]	32	USE phycst ! physical constants
	33	USE dynadv ! dynamics: vector invariant versus flux form
	34	USE dynspg_ts ! surface pressure gradient: split-explicit scheme
	35	USE domvvl ! variable volume
[7646]	36	USE bdy_oce , ONLY: ln_bdy
[6140]	37	USE bdydta ! ocean open boundary conditions
	38	USE bdydyn ! ocean open boundary conditions
	39	USE bdyvol ! ocean open boundary condition (bdy_vol routines)
	40	USE trd_oce ! trends: ocean variables
	41	USE trddyn ! trend manager: dynamics
	42	USE trdken ! trend manager: kinetic energy
[12150]	43	USE isf_oce , ONLY: ln_isf ! ice shelf
[12581]	44	USE isfdynatf , ONLY: isf_dynatf ! ice shelf volume filter correction subroutine
[4990]	45	!
[6140]	46	USE in_out_manager ! I/O manager
	47	USE iom ! I/O manager library
	48	USE lbclnk ! lateral boundary condition (or mpp link)
	49	USE lib_mpp ! MPP library
	50	USE prtctl ! Print control
	51	USE timing ! Timing
[2528]	52	#if defined key_agrif
[9570]	53	USE agrif_oce_interp
[11050]	54	#endif
[3]	55
	56	IMPLICIT NONE
	57	PRIVATE
	58
[11050]	59	PUBLIC dyn_atf ! routine called by step.F90
[1438]	60
[12680]	61	#if defined key_qco
	62	!!----------------------------------------------------------------------
	63	!! 'key_qco' EMPTY ROUTINE Quasi-Eulerian vertical coordonate
	64	!!----------------------------------------------------------------------
	65	CONTAINS
	66
	67	SUBROUTINE dyn_atf ( kt, Kbb, Kmm, Kaa, puu, pvv, pe3t, pe3u, pe3v )
	68	INTEGER , INTENT(in ) :: kt ! ocean time-step index
	69	INTEGER , INTENT(in ) :: Kbb, Kmm, Kaa ! before and after time level indices
	70	REAL(wp), DIMENSION(jpi,jpj,jpk,jpt), INTENT(inout) :: puu, pvv ! velocities to be time filtered
	71	REAL(wp), DIMENSION(jpi,jpj,jpk,jpt), INTENT(inout) :: pe3t, pe3u, pe3v ! scale factors to be time filtered
	72
	73	WRITE(,) 'dyn_atf: You should not have seen this print! error?', kt
	74	END SUBROUTINE dyn_atf
	75
	76	#else
	77
[12340]	78	!! * Substitutions
	79	# include "do_loop_substitute.h90"
[2715]	80	!!----------------------------------------------------------------------
[9598]	81	!! NEMO/OCE 4.0 , NEMO Consortium (2018)
[12581]	82	!! $Id$
[10068]	83	!! Software governed by the CeCILL license (see ./LICENSE)
[2715]	84	!!----------------------------------------------------------------------
[3]	85	CONTAINS
	86
[11050]	87	SUBROUTINE dyn_atf ( kt, Kbb, Kmm, Kaa, puu, pvv, pe3t, pe3u, pe3v )
[3]	88	!!----------------------------------------------------------------------
[11050]	89	!! * ROUTINE dyn_atf *
[12581]	90	!!
	91	!! ** Purpose : Finalize after horizontal velocity. Apply the boundary
[11475]	92	!! condition on the after velocity and apply the Asselin time
	93	!! filter to the now fields.
[3]	94	!!
[5930]	95	!! ** Method : * Ensure after velocities transport matches time splitting
	96	!! estimate (ln_dynspg_ts=T)
[3]	97	!!
[12581]	98	!! * Apply lateral boundary conditions on after velocity
[1502]	99	!! at the local domain boundaries through lbc_lnk call,
[7646]	100	!! at the one-way open boundaries (ln_bdy=T),
[4990]	101	!! at the AGRIF zoom boundaries (lk_agrif=T)
[3]	102	!!
[11475]	103	!! * Apply the Asselin time filter to the now fields
[1502]	104	!! arrays to start the next time step:
[12581]	105	!! (puu(Kmm),pvv(Kmm)) = (puu(Kmm),pvv(Kmm))
[12724]	106	!! + rn_atfp [ (puu(Kbb),pvv(Kbb)) + (puu(Kaa),pvv(Kaa)) - 2 (puu(Kmm),pvv(Kmm)) ]
[6140]	107	!! Note that with flux form advection and non linear free surface,
	108	!! the time filter is applied on thickness weighted velocity.
[11475]	109	!! As a result, dyn_atf MUST be called after tra_atf.
[1502]	110	!!
[12581]	111	!! ** Action : puu(Kmm),pvv(Kmm) filtered now horizontal velocity
[3]	112	!!----------------------------------------------------------------------
[11050]	113	INTEGER , INTENT(in ) :: kt ! ocean time-step index
	114	INTEGER , INTENT(in ) :: Kbb, Kmm, Kaa ! before and after time level indices
	115	REAL(wp), DIMENSION(jpi,jpj,jpk,jpt), INTENT(inout) :: puu, pvv ! velocities to be time filtered
	116	REAL(wp), DIMENSION(jpi,jpj,jpk,jpt), INTENT(inout) :: pe3t, pe3u, pe3v ! scale factors to be time filtered
[2715]	117	!
[3]	118	INTEGER :: ji, jj, jk ! dummy loop indices
[11050]	119	REAL(wp) :: zue3a, zue3n, zue3b, zcoef ! local scalars
	120	REAL(wp) :: zve3a, zve3n, zve3b, z1_2dt ! - -
[12372]	121	REAL(wp), ALLOCATABLE, DIMENSION(:,:) :: zue, zve, zwfld
[12581]	122	REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: ze3t_f, ze3u_f, ze3v_f, zua, zva
[1502]	123	!!----------------------------------------------------------------------
[3294]	124	!
[11050]	125	IF( ln_timing ) CALL timing_start('dyn_atf')
[9019]	126	IF( ln_dynspg_ts ) ALLOCATE( zue(jpi,jpj) , zve(jpi,jpj) )
	127	IF( l_trddyn ) ALLOCATE( zua(jpi,jpj,jpk) , zva(jpi,jpj,jpk) )
[3294]	128	!
[3]	129	IF( kt == nit000 ) THEN
	130	IF(lwp) WRITE(numout,*)
[11050]	131	IF(lwp) WRITE(numout,*) 'dyn_atf : Asselin time filtering'
[3]	132	IF(lwp) WRITE(numout,*) '~~~~~~~'
	133	ENDIF
	134
[5930]	135	IF ( ln_dynspg_ts ) THEN
	136	! Ensure below that barotropic velocities match time splitting estimate
	137	! Compute actual transport and replace it with ts estimate at "after" time step
[11050]	138	zue(:,:) = pe3u(:,:,1,Kaa) * puu(:,:,1,Kaa) * umask(:,:,1)
	139	zve(:,:) = pe3v(:,:,1,Kaa) * pvv(:,:,1,Kaa) * vmask(:,:,1)
[5930]	140	DO jk = 2, jpkm1
[11050]	141	zue(:,:) = zue(:,:) + pe3u(:,:,jk,Kaa) * puu(:,:,jk,Kaa) * umask(:,:,jk)
	142	zve(:,:) = zve(:,:) + pe3v(:,:,jk,Kaa) * pvv(:,:,jk,Kaa) * vmask(:,:,jk)
[1502]	143	END DO
	144	DO jk = 1, jpkm1
[11050]	145	puu(:,:,jk,Kaa) = ( puu(:,:,jk,Kaa) - zue(:,:) * r1_hu(:,:,Kaa) + uu_b(:,:,Kaa) ) * umask(:,:,jk)
	146	pvv(:,:,jk,Kaa) = ( pvv(:,:,jk,Kaa) - zve(:,:) * r1_hv(:,:,Kaa) + vv_b(:,:,Kaa) ) * vmask(:,:,jk)
[592]	147	END DO
[6140]	148	!
	149	IF( .NOT.ln_bt_fw ) THEN
[12581]	150	! Remove advective velocity from "now velocities"
	151	! prior to asselin filtering
	152	! In the forward case, this is done below after asselin filtering
	153	! so that asselin contribution is removed at the same time
[5930]	154	DO jk = 1, jpkm1
[11050]	155	puu(:,:,jk,Kmm) = ( puu(:,:,jk,Kmm) - un_adv(:,:)r1_hu(:,:,Kmm) + uu_b(:,:,Kmm) )umask(:,:,jk)
	156	pvv(:,:,jk,Kmm) = ( pvv(:,:,jk,Kmm) - vn_adv(:,:)r1_hv(:,:,Kmm) + vv_b(:,:,Kmm) )vmask(:,:,jk)
[12581]	157	END DO
[5930]	158	ENDIF
[4292]	159	ENDIF
	160
[1502]	161	! Update after velocity on domain lateral boundaries
[12581]	162	! --------------------------------------------------
[5930]	163	# if defined key_agrif
	164	CALL Agrif_dyn( kt ) !* AGRIF zoom boundaries
	165	# endif
	166	!
[12150]	167	CALL lbc_lnk_multi( 'dynatf', puu(:,:,:,Kaa), 'U', -1., pvv(:,:,:,Kaa), 'V', -1. ) !* local domain boundaries
[1502]	168	!
	169	! !* BDY open boundaries
[11050]	170	IF( ln_bdy .AND. ln_dynspg_exp ) CALL bdy_dyn( kt, Kbb, puu, pvv, Kaa )
	171	IF( ln_bdy .AND. ln_dynspg_ts ) CALL bdy_dyn( kt, Kbb, puu, pvv, Kaa, dyn3d_only=.true. )
[3294]	172
	173	!!$ Do we need a call to bdy_vol here??
	174	!
[4990]	175	IF( l_trddyn ) THEN ! prepare the atf trend computation + some diagnostics
	176	!
	177	! ! Kinetic energy and Conversion
[11050]	178	IF( ln_KE_trd ) CALL trd_dyn( puu(:,:,:,Kaa), pvv(:,:,:,Kaa), jpdyn_ken, kt, Kmm )
[4990]	179	!
	180	IF( ln_dyn_trd ) THEN ! 3D output: total momentum trends
[12724]	181	zua(:,:,:) = ( puu(:,:,:,Kaa) - puu(:,:,:,Kbb) ) * r1_Dt
	182	zva(:,:,:) = ( pvv(:,:,:,Kaa) - pvv(:,:,:,Kbb) ) * r1_Dt
[4990]	183	CALL iom_put( "utrd_tot", zua ) ! total momentum trends, except the asselin time filter
	184	CALL iom_put( "vtrd_tot", zva )
	185	ENDIF
	186	!
[11050]	187	zua(:,:,:) = puu(:,:,:,Kmm) ! save the now velocity before the asselin filter
	188	zva(:,:,:) = pvv(:,:,:,Kmm) ! (caution: there will be a shift by 1 timestep in the
[7753]	189	! ! computation of the asselin filter trends)
[4990]	190	ENDIF
	191
[1438]	192	! Time filter and swap of dynamics arrays
	193	! ------------------------------------------
[12724]	194
	195	IF( .NOT. l_1st_euler ) THEN !* Leap-Frog : Asselin time filter
[2528]	196	! ! =============!
[6140]	197	IF( ln_linssh ) THEN ! Fixed volume !
[2528]	198	! ! =============!
[12340]	199	DO_3D_11_11( 1, jpkm1 )
[12724]	200	puu(ji,jj,jk,Kmm) = puu(ji,jj,jk,Kmm) + rn_atfp * ( puu(ji,jj,jk,Kbb) - 2._wp * puu(ji,jj,jk,Kmm) + puu(ji,jj,jk,Kaa) )
	201	pvv(ji,jj,jk,Kmm) = pvv(ji,jj,jk,Kmm) + rn_atfp * ( pvv(ji,jj,jk,Kbb) - 2._wp * pvv(ji,jj,jk,Kmm) + pvv(ji,jj,jk,Kaa) )
[12340]	202	END_3D
[2528]	203	! ! ================!
	204	ELSE ! Variable volume !
	205	! ! ================!
[11050]	206	! Time-filtered scale factor at t-points
[4292]	207	! ----------------------------------------------------
[12372]	208	ALLOCATE( ze3t_f(jpi,jpj,jpk), zwfld(jpi,jpj) )
[9023]	209	DO jk = 1, jpkm1
[12724]	210	ze3t_f(:,:,jk) = pe3t(:,:,jk,Kmm) + rn_atfp * ( pe3t(:,:,jk,Kbb) - 2._wp * pe3t(:,:,jk,Kmm) + pe3t(:,:,jk,Kaa) )
[9023]	211	END DO
	212	! Add volume filter correction: compatibility with tracer advection scheme
[12372]	213	! => time filter + conservation correction
[12724]	214	zcoef = rn_atfp * rn_Dt * r1_rho0
[12372]	215	zwfld(:,:) = emp_b(:,:) - emp(:,:)
	216	IF ( ln_rnf ) zwfld(:,:) = zwfld(:,:) - ( rnf_b(:,:) - rnf(:,:) )
[12732]	217
	218	DO jk = 1, jpkm1
	219	ze3t_f(:,:,jk) = ze3t_f(:,:,jk) - zcoef * zwfld(:,:) * tmask(:,:,jk) &
	220	& * pe3t(:,:,jk,Kmm) / ( ht_(:,:) + 1._wp - ssmask(:,:) )
	221	END DO
[2528]	222	!
[12150]	223	! ice shelf melting (deal separately as it can be in depth)
	224	! PM: we could probably define a generic subroutine to do the in depth correction
	225	! to manage rnf, isf and possibly in the futur icb, tide water glacier (...)
	226	! ...(kt, coef, ktop, kbot, hz, fwf_b, fwf)
[12724]	227	IF ( ln_isf ) CALL isf_dynatf( kt, Kmm, ze3t_f, rn_atfp * rn_Dt )
[12150]	228	!
[11050]	229	pe3t(:,:,1:jpkm1,Kmm) = ze3t_f(:,:,1:jpkm1) ! filtered scale factor at T-points
	230	!
[6140]	231	IF( ln_dynadv_vec ) THEN ! Asselin filter applied on velocity
	232	! Before filtered scale factor at (u/v)-points
[11050]	233	CALL dom_vvl_interpol( pe3t(:,:,:,Kmm), pe3u(:,:,:,Kmm), 'U' )
	234	CALL dom_vvl_interpol( pe3t(:,:,:,Kmm), pe3v(:,:,:,Kmm), 'V' )
[12340]	235	DO_3D_11_11( 1, jpkm1 )
[12724]	236	puu(ji,jj,jk,Kmm) = puu(ji,jj,jk,Kmm) + rn_atfp * ( puu(ji,jj,jk,Kbb) - 2._wp * puu(ji,jj,jk,Kmm) + puu(ji,jj,jk,Kaa) )
	237	pvv(ji,jj,jk,Kmm) = pvv(ji,jj,jk,Kmm) + rn_atfp * ( pvv(ji,jj,jk,Kbb) - 2._wp * pvv(ji,jj,jk,Kmm) + pvv(ji,jj,jk,Kaa) )
[12340]	238	END_3D
[2528]	239	!
[6140]	240	ELSE ! Asselin filter applied on thickness weighted velocity
	241	!
[9019]	242	ALLOCATE( ze3u_f(jpi,jpj,jpk) , ze3v_f(jpi,jpj,jpk) )
[11050]	243	! Now filtered scale factor at (u/v)-points stored in ze3u_f, ze3v_f
	244	CALL dom_vvl_interpol( pe3t(:,:,:,Kmm), ze3u_f, 'U' )
	245	CALL dom_vvl_interpol( pe3t(:,:,:,Kmm), ze3v_f, 'V' )
[12340]	246	DO_3D_11_11( 1, jpkm1 )
	247	zue3a = pe3u(ji,jj,jk,Kaa) * puu(ji,jj,jk,Kaa)
	248	zve3a = pe3v(ji,jj,jk,Kaa) * pvv(ji,jj,jk,Kaa)
	249	zue3n = pe3u(ji,jj,jk,Kmm) * puu(ji,jj,jk,Kmm)
	250	zve3n = pe3v(ji,jj,jk,Kmm) * pvv(ji,jj,jk,Kmm)
	251	zue3b = pe3u(ji,jj,jk,Kbb) * puu(ji,jj,jk,Kbb)
	252	zve3b = pe3v(ji,jj,jk,Kbb) * pvv(ji,jj,jk,Kbb)
	253	!
[12724]	254	puu(ji,jj,jk,Kmm) = ( zue3n + rn_atfp * ( zue3b - 2._wp * zue3n + zue3a ) ) / ze3u_f(ji,jj,jk)
	255	pvv(ji,jj,jk,Kmm) = ( zve3n + rn_atfp * ( zve3b - 2._wp * zve3n + zve3a ) ) / ze3v_f(ji,jj,jk)
[12340]	256	END_3D
[12581]	257	pe3u(:,:,1:jpkm1,Kmm) = ze3u_f(:,:,1:jpkm1)
[11050]	258	pe3v(:,:,1:jpkm1,Kmm) = ze3v_f(:,:,1:jpkm1)
[6140]	259	!
[9019]	260	DEALLOCATE( ze3u_f , ze3v_f )
[2528]	261	ENDIF
	262	!
[12372]	263	DEALLOCATE( ze3t_f, zwfld )
[3]	264	ENDIF
[2528]	265	!
[6140]	266	IF( ln_dynspg_ts .AND. ln_bt_fw ) THEN
[11050]	267	! Revert filtered "now" velocities to time split estimate
[12581]	268	! Doing it here also means that asselin filter contribution is removed
[11050]	269	zue(:,:) = pe3u(:,:,1,Kmm) * puu(:,:,1,Kmm) * umask(:,:,1)
[12581]	270	zve(:,:) = pe3v(:,:,1,Kmm) * pvv(:,:,1,Kmm) * vmask(:,:,1)
[4990]	271	DO jk = 2, jpkm1
[11050]	272	zue(:,:) = zue(:,:) + pe3u(:,:,jk,Kmm) * puu(:,:,jk,Kmm) * umask(:,:,jk)
[12581]	273	zve(:,:) = zve(:,:) + pe3v(:,:,jk,Kmm) * pvv(:,:,jk,Kmm) * vmask(:,:,jk)
[4370]	274	END DO
	275	DO jk = 1, jpkm1
[11050]	276	puu(:,:,jk,Kmm) = puu(:,:,jk,Kmm) - (zue(:,:) * r1_hu(:,:,Kmm) - uu_b(:,:,Kmm)) * umask(:,:,jk)
	277	pvv(:,:,jk,Kmm) = pvv(:,:,jk,Kmm) - (zve(:,:) * r1_hv(:,:,Kmm) - vv_b(:,:,Kmm)) * vmask(:,:,jk)
[4292]	278	END DO
	279	ENDIF
	280	!
[12724]	281	ENDIF ! .NOT. l_1st_euler
[4354]	282	!
	283	! Set "now" and "before" barotropic velocities for next time step:
	284	! JC: Would be more clever to swap variables than to make a full vertical
	285	! integration
	286	!
[6140]	287	IF(.NOT.ln_linssh ) THEN
[11050]	288	hu(:,:,Kmm) = pe3u(:,:,1,Kmm ) * umask(:,:,1)
	289	hv(:,:,Kmm) = pe3v(:,:,1,Kmm ) * vmask(:,:,1)
[6140]	290	DO jk = 2, jpkm1
[11050]	291	hu(:,:,Kmm) = hu(:,:,Kmm) + pe3u(:,:,jk,Kmm ) * umask(:,:,jk)
	292	hv(:,:,Kmm) = hv(:,:,Kmm) + pe3v(:,:,jk,Kmm ) * vmask(:,:,jk)
[4354]	293	END DO
[11050]	294	r1_hu(:,:,Kmm) = ssumask(:,:) / ( hu(:,:,Kmm) + 1._wp - ssumask(:,:) )
	295	r1_hv(:,:,Kmm) = ssvmask(:,:) / ( hv(:,:,Kmm) + 1._wp - ssvmask(:,:) )
[4354]	296	ENDIF
	297	!
[11050]	298	uu_b(:,:,Kaa) = pe3u(:,:,1,Kaa) * puu(:,:,1,Kaa) * umask(:,:,1)
	299	uu_b(:,:,Kmm) = pe3u(:,:,1,Kmm) * puu(:,:,1,Kmm) * umask(:,:,1)
	300	vv_b(:,:,Kaa) = pe3v(:,:,1,Kaa) * pvv(:,:,1,Kaa) * vmask(:,:,1)
	301	vv_b(:,:,Kmm) = pe3v(:,:,1,Kmm) * pvv(:,:,1,Kmm) * vmask(:,:,1)
[6140]	302	DO jk = 2, jpkm1
[11050]	303	uu_b(:,:,Kaa) = uu_b(:,:,Kaa) + pe3u(:,:,jk,Kaa) * puu(:,:,jk,Kaa) * umask(:,:,jk)
	304	uu_b(:,:,Kmm) = uu_b(:,:,Kmm) + pe3u(:,:,jk,Kmm) * puu(:,:,jk,Kmm) * umask(:,:,jk)
	305	vv_b(:,:,Kaa) = vv_b(:,:,Kaa) + pe3v(:,:,jk,Kaa) * pvv(:,:,jk,Kaa) * vmask(:,:,jk)
	306	vv_b(:,:,Kmm) = vv_b(:,:,Kmm) + pe3v(:,:,jk,Kmm) * pvv(:,:,jk,Kmm) * vmask(:,:,jk)
[4354]	307	END DO
[11050]	308	uu_b(:,:,Kaa) = uu_b(:,:,Kaa) * r1_hu(:,:,Kaa)
	309	vv_b(:,:,Kaa) = vv_b(:,:,Kaa) * r1_hv(:,:,Kaa)
	310	uu_b(:,:,Kmm) = uu_b(:,:,Kmm) * r1_hu(:,:,Kmm)
	311	vv_b(:,:,Kmm) = vv_b(:,:,Kmm) * r1_hv(:,:,Kmm)
[4354]	312	!
[6140]	313	IF( .NOT.ln_dynspg_ts ) THEN ! output the barotropic currents
[11050]	314	CALL iom_put( "ubar", uu_b(:,:,Kmm) )
	315	CALL iom_put( "vbar", vv_b(:,:,Kmm) )
[6140]	316	ENDIF
[4990]	317	IF( l_trddyn ) THEN ! 3D output: asselin filter trends on momentum
[11050]	318	zua(:,:,:) = ( puu(:,:,:,Kmm) - zua(:,:,:) ) * z1_2dt
	319	zva(:,:,:) = ( pvv(:,:,:,Kmm) - zva(:,:,:) ) * z1_2dt
[10946]	320	CALL trd_dyn( zua, zva, jpdyn_atf, kt, Kmm )
[4990]	321	ENDIF
	322	!
[12236]	323	IF(sn_cfctl%l_prtctl) CALL prt_ctl( tab3d_1=puu(:,:,:,Kaa), clinfo1=' nxt - puu(:,:,:,Kaa): ', mask1=umask, &
	324	& tab3d_2=pvv(:,:,:,Kaa), clinfo2=' pvv(:,:,:,Kaa): ' , mask2=vmask )
[12581]	325	!
[9019]	326	IF( ln_dynspg_ts ) DEALLOCATE( zue, zve )
	327	IF( l_trddyn ) DEALLOCATE( zua, zva )
[11050]	328	IF( ln_timing ) CALL timing_stop('dyn_atf')
[2715]	329	!
[11050]	330	END SUBROUTINE dyn_atf
[3]	331
[12680]	332	#endif
	333
[1502]	334	!!=========================================================================
[11050]	335	END MODULE dynatf

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