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dynvor.F90 in branches/dev_r2586_dynamic_mem/NEMOGCM/NEMO/OPA_SRC/DYN – NEMO

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source: branches/dev_r2586_dynamic_mem/NEMOGCM/NEMO/OPA_SRC/DYN/dynvor.F90 @ 2618

Last change on this file since 2618 was 2618, checked in by gm, 13 years ago
dynamic mem: #785 ; move dyn allocation from nemogcm to module when possible (continuation)
Property svn:keywords set to `Id`
File size: 39.3 KB

Rev	Line
[3]	1	MODULE dynvor
	2	!!======================================================================
	3	!! * MODULE dynvor *
	4	!! Ocean dynamics: Update the momentum trend with the relative and
	5	!! planetary vorticity trends
	6	!!======================================================================
[1438]	7	!! History : OPA ! 1989-12 (P. Andrich) vor_ens: Original code
	8	!! 5.0 ! 1991-11 (G. Madec) vor_ene, vor_mix: Original code
	9	!! 6.0 ! 1996-01 (G. Madec) s-coord, suppress work arrays
	10	!! 8.5 ! 2002-08 (G. Madec) F90: Free form and module
	11	!! NEMO 1.0 ! 2004-02 (G. Madec) vor_een: Original code
	12	!! - ! 2003-08 (G. Madec) add vor_ctl
	13	!! - ! 2005-11 (G. Madec) add dyn_vor (new step architecture)
	14	!! 2.0 ! 2006-11 (G. Madec) flux form advection: add metric term
	15	!! 3.2 ! 2009-04 (R. Benshila) vvl: correction of een scheme
[2528]	16	!! 3.3 ! 2010-10 (C. Ethe, G. Madec) reorganisation of initialisation phase
[503]	17	!!----------------------------------------------------------------------
[3]	18
	19	!!----------------------------------------------------------------------
[2528]	20	!! dyn_vor : Update the momentum trend with the vorticity trend
	21	!! vor_ens : enstrophy conserving scheme (ln_dynvor_ens=T)
	22	!! vor_ene : energy conserving scheme (ln_dynvor_ene=T)
	23	!! vor_mix : mixed enstrophy/energy conserving (ln_dynvor_mix=T)
	24	!! vor_een : energy and enstrophy conserving (ln_dynvor_een=T)
	25	!! dyn_vor_init : set and control of the different vorticity option
[3]	26	!!----------------------------------------------------------------------
[503]	27	USE oce ! ocean dynamics and tracers
	28	USE dom_oce ! ocean space and time domain
[643]	29	USE dynadv ! momentum advection (use ln_dynadv_vec value)
[503]	30	USE trdmod ! ocean dynamics trends
	31	USE trdmod_oce ! ocean variables trends
	32	USE lbclnk ! ocean lateral boundary conditions (or mpp link)
	33	USE prtctl ! Print control
	34	USE in_out_manager ! I/O manager
[3]	35
	36	IMPLICIT NONE
	37	PRIVATE
	38
[2528]	39	PUBLIC dyn_vor ! routine called by step.F90
	40	PUBLIC dyn_vor_init ! routine called by opa.F90
[3]	41
[1601]	42	! !!* Namelist namdyn_vor: vorticity term
[32]	43	LOGICAL, PUBLIC :: ln_dynvor_ene = .FALSE. !: energy conserving scheme
	44	LOGICAL, PUBLIC :: ln_dynvor_ens = .TRUE. !: enstrophy conserving scheme
	45	LOGICAL, PUBLIC :: ln_dynvor_mix = .FALSE. !: mixed scheme
[503]	46	LOGICAL, PUBLIC :: ln_dynvor_een = .FALSE. !: energy and enstrophy conserving scheme
[3]	47
[503]	48	INTEGER :: nvor = 0 ! type of vorticity trend used
[643]	49	INTEGER :: ncor = 1 ! coriolis
	50	INTEGER :: nrvm = 2 ! =2 relative vorticity ; =3 metric term
	51	INTEGER :: ntot = 4 ! =4 total vorticity (relative + planetary) ; =5 coriolis + metric term
[455]	52
[3]	53	!! * Substitutions
	54	# include "domzgr_substitute.h90"
	55	# include "vectopt_loop_substitute.h90"
	56	!!----------------------------------------------------------------------
[2528]	57	!! NEMO/OPA 3.3 , NEMO Consortium (2010)
[1152]	58	!! $Id$
[2528]	59	!! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt)
[3]	60	!!----------------------------------------------------------------------
	61	CONTAINS
	62
[455]	63	SUBROUTINE dyn_vor( kt )
[3]	64	!!----------------------------------------------------------------------
	65	!!
[455]	66	!! ** Purpose : compute the lateral ocean tracer physics.
	67	!!
	68	!! ** Action : - Update (ua,va) with the now vorticity term trend
[503]	69	!! - save the trends in (ztrdu,ztrdv) in 2 parts (relative
[455]	70	!! and planetary vorticity trends) ('key_trddyn')
[503]	71	!!----------------------------------------------------------------------
	72	USE oce, ONLY : ztrdu => ta ! use ta as 3D workspace
	73	USE oce, ONLY : ztrdv => sa ! use sa as 3D workspace
[455]	74	!!
[503]	75	INTEGER, INTENT( in ) :: kt ! ocean time-step index
[455]	76	!!----------------------------------------------------------------------
	77
[643]	78	! ! vorticity term
[455]	79	SELECT CASE ( nvor ) ! compute the vorticity trend and add it to the general trend
[643]	80	!
[455]	81	CASE ( -1 ) ! esopa: test all possibility with control print
[643]	82	CALL vor_ene( kt, ntot, ua, va )
[503]	83	CALL prt_ctl( tab3d_1=ua, clinfo1=' vor0 - Ua: ', mask1=umask, &
	84	& tab3d_2=va, clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' )
[643]	85	CALL vor_ens( kt, ntot, ua, va )
[503]	86	CALL prt_ctl( tab3d_1=ua, clinfo1=' vor1 - Ua: ', mask1=umask, &
	87	& tab3d_2=va, clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' )
[455]	88	CALL vor_mix( kt )
[503]	89	CALL prt_ctl( tab3d_1=ua, clinfo1=' vor2 - Ua: ', mask1=umask, &
	90	& tab3d_2=va, clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' )
[643]	91	CALL vor_een( kt, ntot, ua, va )
[503]	92	CALL prt_ctl( tab3d_1=ua, clinfo1=' vor3 - Ua: ', mask1=umask, &
	93	& tab3d_2=va, clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' )
[643]	94	!
[455]	95	CASE ( 0 ) ! energy conserving scheme
	96	IF( l_trddyn ) THEN
	97	ztrdu(:,:,:) = ua(:,:,:)
	98	ztrdv(:,:,:) = va(:,:,:)
[643]	99	CALL vor_ene( kt, nrvm, ua, va ) ! relative vorticity or metric trend
[455]	100	ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:)
	101	ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:)
[503]	102	CALL trd_mod( ztrdu, ztrdv, jpdyn_trd_rvo, 'DYN', kt )
[455]	103	ztrdu(:,:,:) = ua(:,:,:)
	104	ztrdv(:,:,:) = va(:,:,:)
[643]	105	CALL vor_ene( kt, ncor, ua, va ) ! planetary vorticity trend
[455]	106	ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:)
	107	ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:)
[1104]	108	CALL trd_mod( ztrdu, ztrdv, jpdyn_trd_pvo, 'DYN', kt )
[503]	109	CALL trd_mod( ztrdu, ztrdv, jpdyn_trd_dat, 'DYN', kt )
[455]	110	ELSE
[643]	111	CALL vor_ene( kt, ntot, ua, va ) ! total vorticity
[455]	112	ENDIF
[643]	113	!
[455]	114	CASE ( 1 ) ! enstrophy conserving scheme
	115	IF( l_trddyn ) THEN
	116	ztrdu(:,:,:) = ua(:,:,:)
	117	ztrdv(:,:,:) = va(:,:,:)
[643]	118	CALL vor_ens( kt, nrvm, ua, va ) ! relative vorticity or metric trend
[455]	119	ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:)
	120	ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:)
[503]	121	CALL trd_mod( ztrdu, ztrdv, jpdyn_trd_rvo, 'DYN', kt )
[455]	122	ztrdu(:,:,:) = ua(:,:,:)
	123	ztrdv(:,:,:) = va(:,:,:)
[643]	124	CALL vor_ens( kt, ncor, ua, va ) ! planetary vorticity trend
[455]	125	ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:)
	126	ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:)
[1104]	127	CALL trd_mod( ztrdu, ztrdv, jpdyn_trd_pvo, 'DYN', kt )
[503]	128	CALL trd_mod( ztrdu, ztrdv, jpdyn_trd_dat, 'DYN', kt )
[455]	129	ELSE
[643]	130	CALL vor_ens( kt, ntot, ua, va ) ! total vorticity
[455]	131	ENDIF
[643]	132	!
[455]	133	CASE ( 2 ) ! mixed ene-ens scheme
	134	IF( l_trddyn ) THEN
	135	ztrdu(:,:,:) = ua(:,:,:)
	136	ztrdv(:,:,:) = va(:,:,:)
[643]	137	CALL vor_ens( kt, nrvm, ua, va ) ! relative vorticity or metric trend (ens)
[455]	138	ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:)
	139	ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:)
[503]	140	CALL trd_mod( ztrdu, ztrdv, jpdyn_trd_rvo, 'DYN', kt )
[455]	141	ztrdu(:,:,:) = ua(:,:,:)
	142	ztrdv(:,:,:) = va(:,:,:)
[643]	143	CALL vor_ene( kt, ncor, ua, va ) ! planetary vorticity trend (ene)
[455]	144	ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:)
	145	ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:)
[1104]	146	CALL trd_mod( ztrdu, ztrdv, jpdyn_trd_pvo, 'DYN', kt )
[503]	147	CALL trd_mod( ztrdu, ztrdv, jpdyn_trd_dat, 'DYN', kt )
[455]	148	ELSE
	149	CALL vor_mix( kt ) ! total vorticity (mix=ens-ene)
	150	ENDIF
[643]	151	!
[455]	152	CASE ( 3 ) ! energy and enstrophy conserving scheme
	153	IF( l_trddyn ) THEN
	154	ztrdu(:,:,:) = ua(:,:,:)
	155	ztrdv(:,:,:) = va(:,:,:)
[643]	156	CALL vor_een( kt, nrvm, ua, va ) ! relative vorticity or metric trend
[455]	157	ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:)
	158	ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:)
[503]	159	CALL trd_mod( ztrdu, ztrdv, jpdyn_trd_rvo, 'DYN', kt )
[455]	160	ztrdu(:,:,:) = ua(:,:,:)
	161	ztrdv(:,:,:) = va(:,:,:)
[643]	162	CALL vor_een( kt, ncor, ua, va ) ! planetary vorticity trend
[455]	163	ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:)
	164	ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:)
[1104]	165	CALL trd_mod( ztrdu, ztrdv, jpdyn_trd_pvo, 'DYN', kt )
[503]	166	CALL trd_mod( ztrdu, ztrdv, jpdyn_trd_dat, 'DYN', kt )
[455]	167	ELSE
[643]	168	CALL vor_een( kt, ntot, ua, va ) ! total vorticity
[455]	169	ENDIF
[643]	170	!
[455]	171	END SELECT
	172
	173	! ! print sum trends (used for debugging)
	174	IF(ln_ctl) CALL prt_ctl( tab3d_1=ua, clinfo1=' vor - Ua: ', mask1=umask, &
	175	& tab3d_2=va, clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' )
[1438]	176	!
[455]	177	END SUBROUTINE dyn_vor
	178
	179
[643]	180	SUBROUTINE vor_ene( kt, kvor, pua, pva )
[455]	181	!!----------------------------------------------------------------------
	182	!! * ROUTINE vor_ene *
	183	!!
[3]	184	!! ** Purpose : Compute the now total vorticity trend and add it to
	185	!! the general trend of the momentum equation.
	186	!!
	187	!! ** Method : Trend evaluated using now fields (centered in time)
	188	!! and the Sadourny (1975) flux form formulation : conserves the
	189	!! horizontal kinetic energy.
	190	!! The trend of the vorticity term is given by:
[455]	191	!! * s-coordinate (ln_sco=T), the e3. are inside the derivatives:
[3]	192	!! voru = 1/e1u mj-1[ (rotn+f)/e3f mi(e1v*e3v vn) ]
	193	!! vorv = 1/e2v mi-1[ (rotn+f)/e3f mj(e2u*e3u un) ]
	194	!! * z-coordinate (default key), e3t=e3u=e3v, the trend becomes:
	195	!! voru = 1/e1u mj-1[ (rotn+f) mi(e1v vn) ]
	196	!! vorv = 1/e2v mi-1[ (rotn+f) mj(e2u un) ]
	197	!! Add this trend to the general momentum trend (ua,va):
	198	!! (ua,va) = (ua,va) + ( voru , vorv )
	199	!!
	200	!! ** Action : - Update (ua,va) with the now vorticity term trend
[503]	201	!! - save the trends in (ztrdu,ztrdv) in 2 parts (relative
[3]	202	!! and planetary vorticity trends) ('key_trddyn')
	203	!!
[503]	204	!! References : Sadourny, r., 1975, j. atmos. sciences, 32, 680-689.
[3]	205	!!----------------------------------------------------------------------
[2590]	206	USE wrk_nemo, ONLY: wrk_use, wrk_release
	207	USE wrk_nemo, ONLY: zwx => wrk_2d_1, zwy => wrk_2d_2, zwz => wrk_2d_3
	208	!!
[643]	209	INTEGER , INTENT(in ) :: kt ! ocean time-step index
	210	INTEGER , INTENT(in ) :: kvor ! =ncor (planetary) ; =ntot (total) ;
[1438]	211	! ! =nrvm (relative vorticity or metric)
[643]	212	REAL(wp), INTENT(inout), DIMENSION(jpi,jpj,jpk) :: pua ! total u-trend
	213	REAL(wp), INTENT(inout), DIMENSION(jpi,jpj,jpk) :: pva ! total v-trend
[503]	214	!!
	215	INTEGER :: ji, jj, jk ! dummy loop indices
	216	REAL(wp) :: zx1, zy1, zfact2 ! temporary scalars
	217	REAL(wp) :: zx2, zy2 ! " "
[3]	218	!!----------------------------------------------------------------------
	219
[2590]	220	IF(.NOT. wrk_use(2, 1,2,3))THEN
	221	CALL ctl_stop('dyn:vor_ene: requested workspace arrays unavailable.')
	222	RETURN
	223	END IF
	224
[52]	225	IF( kt == nit000 ) THEN
	226	IF(lwp) WRITE(numout,*)
[455]	227	IF(lwp) WRITE(numout,*) 'dyn:vor_ene : vorticity term: energy conserving scheme'
	228	IF(lwp) WRITE(numout,*) '~~~~~~~~~~~'
[52]	229	ENDIF
[3]	230
[1438]	231	zfact2 = 0.5 * 0.5 ! Local constant initialization
[216]	232
[455]	233	!CDIR PARALLEL DO PRIVATE( zwx, zwy, zwz )
[3]	234	! ! ===============
	235	DO jk = 1, jpkm1 ! Horizontal slab
	236	! ! ===============
[1438]	237	!
[3]	238	! Potential vorticity and horizontal fluxes
	239	! -----------------------------------------
[643]	240	SELECT CASE( kvor ) ! vorticity considered
	241	CASE ( 1 ) ; zwz(:,:) = ff(:,:) ! planetary vorticity (Coriolis)
	242	CASE ( 2 ) ; zwz(:,:) = rotn(:,:,jk) ! relative vorticity
	243	CASE ( 3 ) ! metric term
	244	DO jj = 1, jpjm1
	245	DO ji = 1, fs_jpim1 ! vector opt.
	246	zwz(ji,jj) = ( ( vn(ji+1,jj ,jk) + vn (ji,jj,jk) ) * ( e2v(ji+1,jj ) - e2v(ji,jj) ) &
	247	& - ( un(ji ,jj+1,jk) + un (ji,jj,jk) ) * ( e1u(ji ,jj+1) - e1u(ji,jj) ) ) &
	248	& * 0.5 / ( e1f(ji,jj) * e2f(ji,jj) )
	249	END DO
	250	END DO
	251	CASE ( 4 ) ; zwz(:,:) = ( rotn(:,:,jk) + ff(:,:) ) ! total (relative + planetary vorticity)
	252	CASE ( 5 ) ! total (coriolis + metric)
	253	DO jj = 1, jpjm1
	254	DO ji = 1, fs_jpim1 ! vector opt.
	255	zwz(ji,jj) = ( ff (ji,jj) &
	256	& + ( ( vn(ji+1,jj ,jk) + vn (ji,jj,jk) ) * ( e2v(ji+1,jj ) - e2v(ji,jj) ) &
	257	& - ( un(ji ,jj+1,jk) + un (ji,jj,jk) ) * ( e1u(ji ,jj+1) - e1u(ji,jj) ) ) &
	258	& * 0.5 / ( e1f(ji,jj) * e2f(ji,jj) ) &
	259	& )
	260	END DO
	261	END DO
[455]	262	END SELECT
	263
	264	IF( ln_sco ) THEN
	265	zwz(:,:) = zwz(:,:) / fse3f(:,:,jk)
[3]	266	zwx(:,:) = e2u(:,:) * fse3u(:,:,jk) * un(:,:,jk)
	267	zwy(:,:) = e1v(:,:) * fse3v(:,:,jk) * vn(:,:,jk)
	268	ELSE
	269	zwx(:,:) = e2u(:,:) * un(:,:,jk)
	270	zwy(:,:) = e1v(:,:) * vn(:,:,jk)
	271	ENDIF
	272
	273	! Compute and add the vorticity term trend
	274	! ----------------------------------------
	275	DO jj = 2, jpjm1
	276	DO ji = fs_2, fs_jpim1 ! vector opt.
	277	zy1 = zwy(ji,jj-1) + zwy(ji+1,jj-1)
	278	zy2 = zwy(ji,jj ) + zwy(ji+1,jj )
	279	zx1 = zwx(ji-1,jj) + zwx(ji-1,jj+1)
	280	zx2 = zwx(ji ,jj) + zwx(ji ,jj+1)
[455]	281	pua(ji,jj,jk) = pua(ji,jj,jk) + zfact2 / e1u(ji,jj) * ( zwz(ji ,jj-1) * zy1 + zwz(ji,jj) * zy2 )
	282	pva(ji,jj,jk) = pva(ji,jj,jk) - zfact2 / e2v(ji,jj) * ( zwz(ji-1,jj ) * zx1 + zwz(ji,jj) * zx2 )
[3]	283	END DO
	284	END DO
	285	! ! ===============
	286	END DO ! End of slab
	287	! ! ===============
[2590]	288	IF(.NOT. wrk_release(2, 1,2,3))THEN
	289	CALL ctl_stop('dyn:vor_ene: failed to release workspace arrays.')
	290	END IF
	291	!
[455]	292	END SUBROUTINE vor_ene
[216]	293
	294
[455]	295	SUBROUTINE vor_mix( kt )
[3]	296	!!----------------------------------------------------------------------
[455]	297	!! * ROUTINE vor_mix *
[3]	298	!!
	299	!! ** Purpose : Compute the now total vorticity trend and add it to
	300	!! the general trend of the momentum equation.
	301	!!
	302	!! ** Method : Trend evaluated using now fields (centered in time)
	303	!! Mixte formulation : conserves the potential enstrophy of a hori-
	304	!! zontally non-divergent flow for (rotzu x uh), the relative vor-
	305	!! ticity term and the horizontal kinetic energy for (f x uh), the
	306	!! coriolis term. the now trend of the vorticity term is given by:
[455]	307	!! * s-coordinate (ln_sco=T), the e3. are inside the derivatives:
[3]	308	!! voru = 1/e1u mj-1(rotn/e3f) mj-1[ mi(e1v*e3v vn) ]
	309	!! +1/e1u mj-1[ f/e3f mi(e1v*e3v vn) ]
	310	!! vorv = 1/e2v mi-1(rotn/e3f) mi-1[ mj(e2u*e3u un) ]
	311	!! +1/e2v mi-1[ f/e3f mj(e2u*e3u un) ]
	312	!! * z-coordinate (default key), e3t=e3u=e3v, the trend becomes:
	313	!! voru = 1/e1u mj-1(rotn) mj-1[ mi(e1v vn) ]
	314	!! +1/e1u mj-1[ f mi(e1v vn) ]
	315	!! vorv = 1/e2v mi-1(rotn) mi-1[ mj(e2u un) ]
	316	!! +1/e2v mi-1[ f mj(e2u un) ]
	317	!! Add this now trend to the general momentum trend (ua,va):
	318	!! (ua,va) = (ua,va) + ( voru , vorv )
	319	!!
	320	!! ** Action : - Update (ua,va) arrays with the now vorticity term trend
[503]	321	!! - Save the trends in (ztrdu,ztrdv) in 2 parts (relative
[3]	322	!! and planetary vorticity trends) ('key_trddyn')
	323	!!
[503]	324	!! References : Sadourny, r., 1975, j. atmos. sciences, 32, 680-689.
[3]	325	!!----------------------------------------------------------------------
[2590]	326	USE wrk_nemo, ONLY: wrk_use, wrk_release
	327	USE wrk_nemo, ONLY: zwx => wrk_2d_4, zwy => wrk_2d_5, &
	328	zwz => wrk_2d_6, zww => wrk_2d_7
	329	!!
[503]	330	INTEGER, INTENT(in) :: kt ! ocean timestep index
	331	!!
[1438]	332	INTEGER :: ji, jj, jk ! dummy loop indices
[503]	333	REAL(wp) :: zfact1, zua, zcua, zx1, zy1 ! temporary scalars
	334	REAL(wp) :: zfact2, zva, zcva, zx2, zy2 ! " "
[3]	335	!!----------------------------------------------------------------------
	336
[2590]	337	IF(.NOT. wrk_use(2, 4,5,6,7))THEN
	338	CALL ctl_stop('dyn:vor_mix: requested workspace arrays unavailable.')
	339	RETURN
	340	END IF
	341
[52]	342	IF( kt == nit000 ) THEN
	343	IF(lwp) WRITE(numout,*)
[455]	344	IF(lwp) WRITE(numout,*) 'dyn:vor_mix : vorticity term: mixed energy/enstrophy conserving scheme'
	345	IF(lwp) WRITE(numout,*) '~~~~~~~~~~~'
[52]	346	ENDIF
[3]	347
[1438]	348	zfact1 = 0.5 * 0.25 ! Local constant initialization
[3]	349	zfact2 = 0.5 * 0.5
	350
[455]	351	!CDIR PARALLEL DO PRIVATE( zwx, zwy, zwz, zww )
[3]	352	! ! ===============
	353	DO jk = 1, jpkm1 ! Horizontal slab
	354	! ! ===============
[1438]	355	!
[3]	356	! Relative and planetary potential vorticity and horizontal fluxes
	357	! ----------------------------------------------------------------
[455]	358	IF( ln_sco ) THEN
[643]	359	IF( ln_dynadv_vec ) THEN
	360	zww(:,:) = rotn(:,:,jk) / fse3f(:,:,jk)
	361	ELSE
	362	DO jj = 1, jpjm1
	363	DO ji = 1, fs_jpim1 ! vector opt.
	364	zww(ji,jj) = ( ( vn(ji+1,jj ,jk) + vn (ji,jj,jk) ) * ( e2v(ji+1,jj ) - e2v(ji,jj) ) &
	365	& - ( un(ji ,jj+1,jk) + un (ji,jj,jk) ) * ( e1u(ji ,jj+1) - e1u(ji,jj) ) ) &
	366	& * 0.5 / ( e1f(ji,jj) * e2f (ji,jj) * fse3f(ji,jj,jk) )
	367	END DO
	368	END DO
	369	ENDIF
[3]	370	zwz(:,:) = ff (:,:) / fse3f(:,:,jk)
	371	zwx(:,:) = e2u(:,:) * fse3u(:,:,jk) * un(:,:,jk)
	372	zwy(:,:) = e1v(:,:) * fse3v(:,:,jk) * vn(:,:,jk)
	373	ELSE
[643]	374	IF( ln_dynadv_vec ) THEN
	375	zww(:,:) = rotn(:,:,jk)
	376	ELSE
	377	DO jj = 1, jpjm1
	378	DO ji = 1, fs_jpim1 ! vector opt.
	379	zww(ji,jj) = ( ( vn(ji+1,jj ,jk) + vn (ji,jj,jk) ) * ( e2v(ji+1,jj ) - e2v(ji,jj) ) &
	380	& - ( un(ji ,jj+1,jk) + un (ji,jj,jk) ) * ( e1u(ji ,jj+1) - e1u(ji,jj) ) ) &
	381	& * 0.5 / ( e1f(ji,jj) * e2f (ji,jj) )
	382	END DO
	383	END DO
	384	ENDIF
	385	zwz(:,:) = ff (:,:)
[3]	386	zwx(:,:) = e2u(:,:) * un(:,:,jk)
	387	zwy(:,:) = e1v(:,:) * vn(:,:,jk)
	388	ENDIF
	389
	390	! Compute and add the vorticity term trend
	391	! ----------------------------------------
	392	DO jj = 2, jpjm1
	393	DO ji = fs_2, fs_jpim1 ! vector opt.
	394	zy1 = ( zwy(ji,jj-1) + zwy(ji+1,jj-1) ) / e1u(ji,jj)
	395	zy2 = ( zwy(ji,jj ) + zwy(ji+1,jj ) ) / e1u(ji,jj)
	396	zx1 = ( zwx(ji-1,jj) + zwx(ji-1,jj+1) ) / e2v(ji,jj)
	397	zx2 = ( zwx(ji ,jj) + zwx(ji ,jj+1) ) / e2v(ji,jj)
	398	! enstrophy conserving formulation for relative vorticity term
	399	zua = zfact1 * ( zww(ji ,jj-1) + zww(ji,jj) ) * ( zy1 + zy2 )
	400	zva =-zfact1 * ( zww(ji-1,jj ) + zww(ji,jj) ) * ( zx1 + zx2 )
	401	! energy conserving formulation for planetary vorticity term
	402	zcua = zfact2 * ( zwz(ji ,jj-1) * zy1 + zwz(ji,jj) * zy2 )
	403	zcva =-zfact2 * ( zwz(ji-1,jj ) * zx1 + zwz(ji,jj) * zx2 )
[503]	404	! mixed vorticity trend added to the momentum trends
[3]	405	ua(ji,jj,jk) = ua(ji,jj,jk) + zcua + zua
	406	va(ji,jj,jk) = va(ji,jj,jk) + zcva + zva
	407	END DO
	408	END DO
	409	! ! ===============
	410	END DO ! End of slab
	411	! ! ===============
[2590]	412	IF(.NOT. wrk_release(2, 4,5,6,7))THEN
	413	CALL ctl_stop('dyn:vor_mix: failed to release workspace arrays.')
	414	END IF
	415	!
[455]	416	END SUBROUTINE vor_mix
[216]	417
	418
[643]	419	SUBROUTINE vor_ens( kt, kvor, pua, pva )
[3]	420	!!----------------------------------------------------------------------
[455]	421	!! * ROUTINE vor_ens *
[3]	422	!!
	423	!! ** Purpose : Compute the now total vorticity trend and add it to
	424	!! the general trend of the momentum equation.
	425	!!
	426	!! ** Method : Trend evaluated using now fields (centered in time)
	427	!! and the Sadourny (1975) flux FORM formulation : conserves the
	428	!! potential enstrophy of a horizontally non-divergent flow. the
	429	!! trend of the vorticity term is given by:
[455]	430	!! * s-coordinate (ln_sco=T), the e3. are inside the derivative:
[3]	431	!! voru = 1/e1u mj-1[ (rotn+f)/e3f ] mj-1[ mi(e1v*e3v vn) ]
	432	!! vorv = 1/e2v mi-1[ (rotn+f)/e3f ] mi-1[ mj(e2u*e3u un) ]
	433	!! * z-coordinate (default key), e3t=e3u=e3v, the trend becomes:
	434	!! voru = 1/e1u mj-1[ rotn+f ] mj-1[ mi(e1v vn) ]
	435	!! vorv = 1/e2v mi-1[ rotn+f ] mi-1[ mj(e2u un) ]
	436	!! Add this trend to the general momentum trend (ua,va):
	437	!! (ua,va) = (ua,va) + ( voru , vorv )
	438	!!
	439	!! ** Action : - Update (ua,va) arrays with the now vorticity term trend
[503]	440	!! - Save the trends in (ztrdu,ztrdv) in 2 parts (relative
[3]	441	!! and planetary vorticity trends) ('key_trddyn')
	442	!!
[503]	443	!! References : Sadourny, r., 1975, j. atmos. sciences, 32, 680-689.
[3]	444	!!----------------------------------------------------------------------
[2590]	445	USE wrk_nemo, ONLY: wrk_use, wrk_release
	446	USE wrk_nemo, ONLY: zwx => wrk_2d_4, zwy => wrk_2d_5, zwz => wrk_2d_6
	447	!!
[643]	448	INTEGER , INTENT(in ) :: kt ! ocean time-step index
	449	INTEGER , INTENT(in ) :: kvor ! =ncor (planetary) ; =ntot (total) ;
	450	! ! =nrvm (relative vorticity or metric)
	451	REAL(wp), INTENT(inout), DIMENSION(jpi,jpj,jpk) :: pua ! total u-trend
	452	REAL(wp), INTENT(inout), DIMENSION(jpi,jpj,jpk) :: pva ! total v-trend
[503]	453	!!
	454	INTEGER :: ji, jj, jk ! dummy loop indices
	455	REAL(wp) :: zfact1, zuav, zvau ! temporary scalars
[3]	456	!!----------------------------------------------------------------------
	457
[2590]	458	IF(.NOT. wrk_use(2, 4,5,6))THEN
	459	CALL ctl_stop('dyn:vor_ens : requested workspace arrays unavailable.')
	460	RETURN
	461	END IF
	462
[52]	463	IF( kt == nit000 ) THEN
	464	IF(lwp) WRITE(numout,*)
[455]	465	IF(lwp) WRITE(numout,*) 'dyn:vor_ens : vorticity term: enstrophy conserving scheme'
	466	IF(lwp) WRITE(numout,*) '~~~~~~~~~~~'
[52]	467	ENDIF
[3]	468
[1438]	469	zfact1 = 0.5 * 0.25 ! Local constant initialization
[3]	470
[455]	471	!CDIR PARALLEL DO PRIVATE( zwx, zwy, zwz )
[3]	472	! ! ===============
	473	DO jk = 1, jpkm1 ! Horizontal slab
	474	! ! ===============
[1438]	475	!
[3]	476	! Potential vorticity and horizontal fluxes
	477	! -----------------------------------------
[643]	478	SELECT CASE( kvor ) ! vorticity considered
	479	CASE ( 1 ) ; zwz(:,:) = ff(:,:) ! planetary vorticity (Coriolis)
	480	CASE ( 2 ) ; zwz(:,:) = rotn(:,:,jk) ! relative vorticity
	481	CASE ( 3 ) ! metric term
	482	DO jj = 1, jpjm1
	483	DO ji = 1, fs_jpim1 ! vector opt.
	484	zwz(ji,jj) = ( ( vn(ji+1,jj ,jk) + vn (ji,jj,jk) ) * ( e2v(ji+1,jj ) - e2v(ji,jj) ) &
	485	& - ( un(ji ,jj+1,jk) + un (ji,jj,jk) ) * ( e1u(ji ,jj+1) - e1u(ji,jj) ) ) &
	486	& * 0.5 / ( e1f(ji,jj) * e2f(ji,jj) )
	487	END DO
	488	END DO
	489	CASE ( 4 ) ; zwz(:,:) = ( rotn(:,:,jk) + ff(:,:) ) ! total (relative + planetary vorticity)
	490	CASE ( 5 ) ! total (coriolis + metric)
	491	DO jj = 1, jpjm1
	492	DO ji = 1, fs_jpim1 ! vector opt.
	493	zwz(ji,jj) = ( ff (ji,jj) &
	494	& + ( ( vn(ji+1,jj ,jk) + vn (ji,jj,jk) ) * ( e2v(ji+1,jj ) - e2v(ji,jj) ) &
	495	& - ( un(ji ,jj+1,jk) + un (ji,jj,jk) ) * ( e1u(ji ,jj+1) - e1u(ji,jj) ) ) &
[1438]	496	& * 0.5 / ( e1f(ji,jj) * e2f(ji,jj) ) &
[643]	497	& )
	498	END DO
	499	END DO
[455]	500	END SELECT
[1438]	501	!
[455]	502	IF( ln_sco ) THEN
[3]	503	DO jj = 1, jpj ! caution: don't use (:,:) for this loop
	504	DO ji = 1, jpi ! it causes optimization problems on NEC in auto-tasking
[455]	505	zwz(ji,jj) = zwz(ji,jj) / fse3f(ji,jj,jk)
	506	zwx(ji,jj) = e2u(ji,jj) * fse3u(ji,jj,jk) * un(ji,jj,jk)
	507	zwy(ji,jj) = e1v(ji,jj) * fse3v(ji,jj,jk) * vn(ji,jj,jk)
[3]	508	END DO
	509	END DO
	510	ELSE
	511	DO jj = 1, jpj ! caution: don't use (:,:) for this loop
	512	DO ji = 1, jpi ! it causes optimization problems on NEC in auto-tasking
[455]	513	zwx(ji,jj) = e2u(ji,jj) * un(ji,jj,jk)
	514	zwy(ji,jj) = e1v(ji,jj) * vn(ji,jj,jk)
[3]	515	END DO
	516	END DO
	517	ENDIF
[1438]	518	!
[3]	519	! Compute and add the vorticity term trend
	520	! ----------------------------------------
	521	DO jj = 2, jpjm1
	522	DO ji = fs_2, fs_jpim1 ! vector opt.
[455]	523	zuav = zfact1 / e1u(ji,jj) * ( zwy(ji ,jj-1) + zwy(ji+1,jj-1) &
[503]	524	& + zwy(ji ,jj ) + zwy(ji+1,jj ) )
[455]	525	zvau =-zfact1 / e2v(ji,jj) * ( zwx(ji-1,jj ) + zwx(ji-1,jj+1) &
[503]	526	& + zwx(ji ,jj ) + zwx(ji ,jj+1) )
[455]	527	pua(ji,jj,jk) = pua(ji,jj,jk) + zuav * ( zwz(ji ,jj-1) + zwz(ji,jj) )
	528	pva(ji,jj,jk) = pva(ji,jj,jk) + zvau * ( zwz(ji-1,jj ) + zwz(ji,jj) )
[3]	529	END DO
	530	END DO
	531	! ! ===============
	532	END DO ! End of slab
	533	! ! ===============
[2590]	534	IF(.NOT. wrk_release(2, 4,5,6))THEN
	535	CALL ctl_stop('dyn:vor_ens : failed to release workspace arrays.')
	536	END IF
	537	!
[455]	538	END SUBROUTINE vor_ens
[216]	539
	540
[643]	541	SUBROUTINE vor_een( kt, kvor, pua, pva )
[108]	542	!!----------------------------------------------------------------------
[455]	543	!! * ROUTINE vor_een *
[108]	544	!!
	545	!! ** Purpose : Compute the now total vorticity trend and add it to
	546	!! the general trend of the momentum equation.
	547	!!
	548	!! ** Method : Trend evaluated using now fields (centered in time)
[1438]	549	!! and the Arakawa and Lamb (1980) flux form formulation : conserves
[108]	550	!! both the horizontal kinetic energy and the potential enstrophy
[1438]	551	!! when horizontal divergence is zero (see the NEMO documentation)
	552	!! Add this trend to the general momentum trend (ua,va).
[108]	553	!!
	554	!! ** Action : - Update (ua,va) with the now vorticity term trend
[503]	555	!! - save the trends in (ztrdu,ztrdv) in 2 parts (relative
[108]	556	!! and planetary vorticity trends) ('key_trddyn')
	557	!!
[503]	558	!! References : Arakawa and Lamb 1980, Mon. Wea. Rev., 109, 18-36
	559	!!----------------------------------------------------------------------
[2618]	560	USE wrk_nemo, ONLY: wrk_use, wrk_release
	561	USE wrk_nemo, ONLY: zwx => wrk_2d_1 , zwy => wrk_2d_2 , zwz => wrk_2d_3
	562	USE wrk_nemo, ONLY: ztnw => wrk_2d_4 , ztne => wrk_2d_5
	563	USE wrk_nemo, ONLY: ztsw => wrk_2d_6 , ztse => wrk_2d_7
	564	#if defined key_vvl
	565	USE wrk_nemo, ONLY: ze3f => wrk_3d_1
	566	#endif
	567	!
[643]	568	INTEGER , INTENT(in ) :: kt ! ocean time-step index
	569	INTEGER , INTENT(in ) :: kvor ! =ncor (planetary) ; =ntot (total) ;
[1438]	570	! ! =nrvm (relative vorticity or metric)
[643]	571	REAL(wp), INTENT(inout), DIMENSION(jpi,jpj,jpk) :: pua ! total u-trend
	572	REAL(wp), INTENT(inout), DIMENSION(jpi,jpj,jpk) :: pva ! total v-trend
[218]	573	!!
[1438]	574	INTEGER :: ji, jj, jk ! dummy loop indices
[2618]	575	INTEGER :: ierr ! local integer
	576	REAL(wp) :: zfac12, zua, zva ! local scalars
	577	#if ! defined key_vvl
	578	REAL(wp), ALLOCATABLE, DIMENSION(:,:,:), SAVE :: ze3f
	579	#endif
[108]	580	!!----------------------------------------------------------------------
	581
[2618]	582	IF(.NOT. wrk_use(2, 1,2,3,4,5,6,7) .AND. .NOT. wrk_use(3, 1) ) THEN
	583	CALL ctl_stop('dyn:vor_een : requested workspace arrays unavailable.') ; RETURN
[2590]	584	END IF
	585
[108]	586	IF( kt == nit000 ) THEN
	587	IF(lwp) WRITE(numout,*)
[455]	588	IF(lwp) WRITE(numout,*) 'dyn:vor_een : vorticity term: energy and enstrophy conserving scheme'
	589	IF(lwp) WRITE(numout,*) '~~~~~~~~~~~'
[2618]	590	IF( .NOT.lk_vvl ) THEN
	591	ALLOCATE( ze3f(jpi,jpj,jpk) , STAT=ierr )
	592	IF( lk_mpp ) CALL mpp_sum ( ierr )
	593	IF( ierr /= 0 ) CALL ctl_stop( 'STOP', 'dyn:vor_een : unable to allocate arrays' )
	594	ENDIF
[1438]	595	ENDIF
[108]	596
[1438]	597	IF( kt == nit000 .OR. lk_vvl ) THEN ! reciprocal of e3 at F-point (masked averaging of e3t)
[108]	598	DO jk = 1, jpk
	599	DO jj = 1, jpjm1
	600	DO ji = 1, jpim1
	601	ze3f(ji,jj,jk) = ( fse3t(ji,jj+1,jk)tmask(ji,jj+1,jk) + fse3t(ji+1,jj+1,jk)tmask(ji+1,jj+1,jk) &
	602	& + fse3t(ji,jj ,jk)tmask(ji,jj ,jk) + fse3t(ji+1,jj ,jk)tmask(ji+1,jj ,jk) ) * 0.25
	603	IF( ze3f(ji,jj,jk) /= 0.e0 ) ze3f(ji,jj,jk) = 1.e0 / ze3f(ji,jj,jk)
	604	END DO
	605	END DO
	606	END DO
	607	CALL lbc_lnk( ze3f, 'F', 1. )
	608	ENDIF
	609
[1438]	610	zfac12 = 1.e0 / 12.e0 ! Local constant initialization
[216]	611
[108]	612
[455]	613	!CDIR PARALLEL DO PRIVATE( zwx, zwy, zwz, ztnw, ztne, ztsw, ztse )
[108]	614	! ! ===============
	615	DO jk = 1, jpkm1 ! Horizontal slab
	616	! ! ===============
	617
	618	! Potential vorticity and horizontal fluxes
	619	! -----------------------------------------
[643]	620	SELECT CASE( kvor ) ! vorticity considered
[1438]	621	CASE ( 1 ) ! planetary vorticity (Coriolis)
	622	zwz(:,:) = ff(:,:) * ze3f(:,:,jk)
	623	CASE ( 2 ) ! relative vorticity
	624	zwz(:,:) = rotn(:,:,jk) * ze3f(:,:,jk)
[643]	625	CASE ( 3 ) ! metric term
	626	DO jj = 1, jpjm1
	627	DO ji = 1, fs_jpim1 ! vector opt.
	628	zwz(ji,jj) = ( ( vn(ji+1,jj ,jk) + vn (ji,jj,jk) ) * ( e2v(ji+1,jj ) - e2v(ji,jj) ) &
	629	& - ( un(ji ,jj+1,jk) + un (ji,jj,jk) ) * ( e1u(ji ,jj+1) - e1u(ji,jj) ) ) &
	630	& * 0.5 / ( e1f(ji,jj) * e2f(ji,jj) ) * ze3f(ji,jj,jk)
	631	END DO
	632	END DO
[1516]	633	CALL lbc_lnk( zwz, 'F', 1. )
	634	CASE ( 4 ) ! total (relative + planetary vorticity)
[1438]	635	zwz(:,:) = ( rotn(:,:,jk) + ff(:,:) ) * ze3f(:,:,jk)
[643]	636	CASE ( 5 ) ! total (coriolis + metric)
	637	DO jj = 1, jpjm1
	638	DO ji = 1, fs_jpim1 ! vector opt.
	639	zwz(ji,jj) = ( ff (ji,jj) &
	640	& + ( ( vn(ji+1,jj ,jk) + vn (ji,jj,jk) ) * ( e2v(ji+1,jj ) - e2v(ji,jj) ) &
	641	& - ( un(ji ,jj+1,jk) + un (ji,jj,jk) ) * ( e1u(ji ,jj+1) - e1u(ji,jj) ) ) &
[1438]	642	& * 0.5 / ( e1f(ji,jj) * e2f(ji,jj) ) &
[643]	643	& ) * ze3f(ji,jj,jk)
	644	END DO
	645	END DO
[1516]	646	CALL lbc_lnk( zwz, 'F', 1. )
[455]	647	END SELECT
	648
[108]	649	zwx(:,:) = e2u(:,:) * fse3u(:,:,jk) * un(:,:,jk)
	650	zwy(:,:) = e1v(:,:) * fse3v(:,:,jk) * vn(:,:,jk)
	651
	652	! Compute and add the vorticity term trend
	653	! ----------------------------------------
[1438]	654	jj = 2
	655	ztne(1,:) = 0 ; ztnw(1,:) = 0 ; ztse(1,:) = 0 ; ztsw(1,:) = 0
[108]	656	DO ji = 2, jpi
	657	ztne(ji,jj) = zwz(ji-1,jj ) + zwz(ji ,jj ) + zwz(ji ,jj-1)
	658	ztnw(ji,jj) = zwz(ji-1,jj-1) + zwz(ji-1,jj ) + zwz(ji ,jj )
	659	ztse(ji,jj) = zwz(ji ,jj ) + zwz(ji ,jj-1) + zwz(ji-1,jj-1)
	660	ztsw(ji,jj) = zwz(ji ,jj-1) + zwz(ji-1,jj-1) + zwz(ji-1,jj )
	661	END DO
	662	DO jj = 3, jpj
[1694]	663	DO ji = fs_2, jpi ! vector opt. ok because we start at jj = 3
[108]	664	ztne(ji,jj) = zwz(ji-1,jj ) + zwz(ji ,jj ) + zwz(ji ,jj-1)
	665	ztnw(ji,jj) = zwz(ji-1,jj-1) + zwz(ji-1,jj ) + zwz(ji ,jj )
	666	ztse(ji,jj) = zwz(ji ,jj ) + zwz(ji ,jj-1) + zwz(ji-1,jj-1)
	667	ztsw(ji,jj) = zwz(ji ,jj-1) + zwz(ji-1,jj-1) + zwz(ji-1,jj )
	668	END DO
	669	END DO
	670	DO jj = 2, jpjm1
	671	DO ji = fs_2, fs_jpim1 ! vector opt.
	672	zua = + zfac12 / e1u(ji,jj) * ( ztne(ji,jj ) * zwy(ji ,jj ) + ztnw(ji+1,jj) * zwy(ji+1,jj ) &
	673	& + ztse(ji,jj ) * zwy(ji ,jj-1) + ztsw(ji+1,jj) * zwy(ji+1,jj-1) )
	674	zva = - zfac12 / e2v(ji,jj) * ( ztsw(ji,jj+1) * zwx(ji-1,jj+1) + ztse(ji,jj+1) * zwx(ji ,jj+1) &
	675	& + ztnw(ji,jj ) * zwx(ji-1,jj ) + ztne(ji,jj ) * zwx(ji ,jj ) )
[455]	676	pua(ji,jj,jk) = pua(ji,jj,jk) + zua
	677	pva(ji,jj,jk) = pva(ji,jj,jk) + zva
[108]	678	END DO
	679	END DO
	680	! ! ===============
	681	END DO ! End of slab
	682	! ! ===============
[2618]	683	IF(.NOT. wrk_release(2, 1,2,3,4,5,6,7) .AND. &
	684	.NOT. wrk_release(3, 1) ) CALL ctl_stop('dyn:vor_een : failed to release workspace arrays')
[2590]	685	!
[455]	686	END SUBROUTINE vor_een
[216]	687
	688
[2528]	689	SUBROUTINE dyn_vor_init
[3]	690	!!---------------------------------------------------------------------
[2528]	691	!! * ROUTINE dyn_vor_init *
[3]	692	!!
	693	!! ** Purpose : Control the consistency between cpp options for
[1438]	694	!! tracer advection schemes
[3]	695	!!----------------------------------------------------------------------
[418]	696	INTEGER :: ioptio ! temporary integer
[1601]	697	NAMELIST/namdyn_vor/ ln_dynvor_ens, ln_dynvor_ene, ln_dynvor_mix, ln_dynvor_een
[3]	698	!!----------------------------------------------------------------------
	699
[1601]	700	REWIND ( numnam ) ! Read Namelist namdyn_vor : Vorticity scheme options
	701	READ ( numnam, namdyn_vor )
[3]	702
[503]	703	IF(lwp) THEN ! Namelist print
[3]	704	WRITE(numout,*)
[2528]	705	WRITE(numout,*) 'dyn_vor_init : vorticity term : read namelist and control the consistency'
	706	WRITE(numout,*) '~~~~~~~~~~~~'
[1601]	707	WRITE(numout,*) ' Namelist namdyn_vor : oice of the vorticity term scheme'
[503]	708	WRITE(numout,*) ' energy conserving scheme ln_dynvor_ene = ', ln_dynvor_ene
	709	WRITE(numout,*) ' enstrophy conserving scheme ln_dynvor_ens = ', ln_dynvor_ens
	710	WRITE(numout,*) ' mixed enstrophy/energy conserving scheme ln_dynvor_mix = ', ln_dynvor_mix
	711	WRITE(numout,*) ' enstrophy and energy conserving scheme ln_dynvor_een = ', ln_dynvor_een
[52]	712	ENDIF
	713
[503]	714	ioptio = 0 ! Control of vorticity scheme options
	715	IF( ln_dynvor_ene ) ioptio = ioptio + 1
	716	IF( ln_dynvor_ens ) ioptio = ioptio + 1
	717	IF( ln_dynvor_mix ) ioptio = ioptio + 1
	718	IF( ln_dynvor_een ) ioptio = ioptio + 1
	719	IF( lk_esopa ) ioptio = 1
	720
	721	IF( ioptio /= 1 ) CALL ctl_stop( ' use ONE and ONLY one vorticity scheme' )
	722
[643]	723	! ! Set nvor (type of scheme for vorticity)
[503]	724	IF( ln_dynvor_ene ) nvor = 0
	725	IF( ln_dynvor_ens ) nvor = 1
	726	IF( ln_dynvor_mix ) nvor = 2
	727	IF( ln_dynvor_een ) nvor = 3
	728	IF( lk_esopa ) nvor = -1
	729
[643]	730	! ! Set ncor, nrvm, ntot (type of vorticity)
	731	IF(lwp) WRITE(numout,*)
	732	ncor = 1
	733	IF( ln_dynadv_vec ) THEN
	734	IF(lwp) WRITE(numout,*) ' Vector form advection : vorticity = Coriolis + relative vorticity'
	735	nrvm = 2
	736	ntot = 4
	737	ELSE
	738	IF(lwp) WRITE(numout,*) ' Flux form advection : vorticity = Coriolis + metric term'
	739	nrvm = 3
	740	ntot = 5
	741	ENDIF
	742
[503]	743	IF(lwp) THEN ! Print the choice
	744	WRITE(numout,*)
[643]	745	IF( nvor == 0 ) WRITE(numout,*) ' vorticity scheme : energy conserving scheme'
	746	IF( nvor == 1 ) WRITE(numout,*) ' vorticity scheme : enstrophy conserving scheme'
	747	IF( nvor == 2 ) WRITE(numout,*) ' vorticity scheme : mixed enstrophy/energy conserving scheme'
	748	IF( nvor == 3 ) WRITE(numout,*) ' vorticity scheme : energy and enstrophy conserving scheme'
[503]	749	IF( nvor == -1 ) WRITE(numout,*) ' esopa test: use all lateral physics options'
[3]	750	ENDIF
[503]	751	!
[2528]	752	END SUBROUTINE dyn_vor_init
[3]	753
[503]	754	!!==============================================================================
[3]	755	END MODULE dynvor

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