Sources/dyn3d/leapfrog.f

module leapfrog_m

  IMPLICIT NONE

contains

  SUBROUTINE leapfrog(ucov, vcov, teta, ps, masse, phis, q, time_0)

    ! From dyn3d/leapfrog.F, version 1.6, 2005/04/13 08:58:34
    ! Authors: P. Le Van, L. Fairhead, F. Hourdin
    ! Matsuno-leapfrog scheme.

    use addfi_m, only: addfi
    use bilan_dyn_m, only: bilan_dyn
    use caladvtrac_m, only: caladvtrac
    use caldyn_m, only: caldyn
    USE calfis_m, ONLY: calfis
    USE com_io_dyn, ONLY: histaveid
    USE comconst, ONLY: daysec, dtphys, dtvr
    USE comgeom, ONLY: aire_2d, apoln, apols
    USE comvert, ONLY: ap, bp
    USE conf_gcm_m, ONLY: day_step, iconser, iperiod, iphysiq, nday, offline, &
         periodav
    USE dimens_m, ONLY: iim, jjm, llm, nqmx
    use dissip_m, only: dissip
    USE dynetat0_m, ONLY: day_ini
    use dynredem1_m, only: dynredem1
    USE exner_hyb_m, ONLY: exner_hyb
    use filtreg_m, only: filtreg
    use geopot_m, only: geopot
    USE guide_m, ONLY: guide
    use inidissip_m, only: idissip
    use integrd_m, only: integrd
    USE logic, ONLY: iflag_phys, ok_guide
    use nr_util, only: assert
    USE pressure_var, ONLY: p3d
    USE temps, ONLY: itau_dyn

    ! Variables dynamiques:
    REAL, intent(inout):: ucov(:, :, :) ! (iim + 1, jjm + 1, llm) vent covariant
    REAL, intent(inout):: vcov(:, :, :) ! (iim + 1, jjm, llm) ! vent covariant

    REAL, intent(inout):: teta(:, :, :) ! (iim + 1, jjm + 1, llm)
    ! potential temperature

    REAL, intent(inout):: ps(:, :) ! (iim + 1, jjm + 1) pression au sol, en Pa
    REAL masse((iim + 1) * (jjm + 1), llm) ! masse d'air
    REAL phis((iim + 1) * (jjm + 1)) ! geopotentiel au sol

    REAL, intent(inout):: q(:, :, :, :) ! (iim + 1, jjm + 1, llm, nqmx)
    ! mass fractions of advected fields

    REAL, intent(in):: time_0

    ! Variables local to the procedure:

    ! Variables dynamiques:

    REAL pks((iim + 1) * (jjm + 1)) ! exner au sol
    REAL pk(iim + 1, jjm + 1, llm) ! exner au milieu des couches
    REAL pkf((iim + 1) * (jjm + 1), llm) ! exner filt.au milieu des couches
    REAL phi(iim + 1, jjm + 1, llm) ! geopotential
    REAL w((iim + 1) * (jjm + 1), llm) ! vitesse verticale

    ! Variables dynamiques intermediaire pour le transport
    ! Flux de masse :
    REAL pbaru((iim + 1) * (jjm + 1), llm), pbarv((iim + 1) * jjm, llm)

    ! variables dynamiques au pas - 1
    REAL vcovm1(iim + 1, jjm, llm), ucovm1(iim + 1, jjm + 1, llm)
    REAL tetam1(iim + 1, jjm + 1, llm), psm1(iim + 1, jjm + 1)
    REAL massem1((iim + 1) * (jjm + 1), llm)

    ! tendances dynamiques
    REAL dv((iim + 1) * jjm, llm), dudyn((iim + 1) * (jjm + 1), llm)
    REAL dteta(iim + 1, jjm + 1, llm), dq((iim + 1) * (jjm + 1), llm, nqmx)
    real dp((iim + 1) * (jjm + 1))

    ! tendances de la dissipation
    REAL dvdis(iim + 1, jjm, llm), dudis(iim + 1, jjm + 1, llm)
    REAL dtetadis(iim + 1, jjm + 1, llm)

    ! tendances physiques
    REAL dvfi((iim + 1) * jjm, llm), dufi((iim + 1) * (jjm + 1), llm)
    REAL dtetafi(iim + 1, jjm + 1, llm), dqfi((iim + 1) * (jjm + 1), llm, nqmx)
    real dpfi((iim + 1) * (jjm + 1))

    ! variables pour le fichier histoire

    INTEGER itau ! index of the time step of the dynamics, starts at 0
    INTEGER itaufin
    REAL time ! time of day, as a fraction of day length
    real finvmaold((iim + 1) * (jjm + 1), llm)
    INTEGER l
    REAL rdayvrai, rdaym_ini

    ! Variables test conservation energie
    REAL ecin(iim + 1, jjm + 1, llm), ecin0(iim + 1, jjm + 1, llm)

    REAL dtetaecdt(iim + 1, jjm + 1, llm)
    ! tendance de la température potentielle due à la transformation
    ! d'énergie cinétique en énergie thermique par la dissipation

    REAL vcont((iim + 1) * jjm, llm), ucont((iim + 1) * (jjm + 1), llm)
    logical leapf
    real dt

    !---------------------------------------------------

    print *, "Call sequence information: leapfrog"
    call assert(shape(ucov) == (/iim + 1, jjm + 1, llm/), "leapfrog")

    itaufin = nday * day_step
    ! "day_step" is a multiple of "iperiod", therefore "itaufin" is one too

    dq = 0.

    ! On initialise la pression et la fonction d'Exner :
    forall (l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps
    CALL exner_hyb(ps, p3d, pks, pk, pkf)

    time_integration: do itau = 0, itaufin - 1
       leapf = mod(itau, iperiod) /= 0
       if (leapf) then
          dt = 2 * dtvr
       else
          ! Matsuno
          dt = dtvr
          if (ok_guide .and. (itaufin - itau - 1) * dtvr > 21600.) &
               call guide(itau, ucov, vcov, teta, q, masse, ps)
          vcovm1 = vcov
          ucovm1 = ucov
          tetam1 = teta
          massem1 = masse
          psm1 = ps
          finvmaold = masse
          CALL filtreg(finvmaold, jjm + 1, llm, - 2, 2, .TRUE., 1)
       end if

       ! Calcul des tendances dynamiques:
       CALL geopot((iim + 1) * (jjm + 1), teta, pk, pks, phis, phi)
       CALL caldyn(itau, ucov, vcov, teta, ps, masse, pk, pkf, phis, phi, &
            dudyn, dv, dteta, dp, w, pbaru, pbarv, time_0, &
            conser=MOD(itau, iconser)==0)

       ! Calcul des tendances advection des traceurs (dont l'humidité)
       CALL caladvtrac(q, pbaru, pbarv, p3d, masse, dq, teta, pk)

       ! Stokage du flux de masse pour traceurs offline:
       IF (offline) CALL fluxstokenc(pbaru, pbarv, masse, teta, phi, phis, &
            dtvr, itau)

       ! Integrations dynamique et traceurs:
       CALL integrd(vcovm1, ucovm1, tetam1, psm1, massem1, dv, dudyn, dteta, &
            dp, vcov, ucov, teta, q(:, :, :, :2), ps, masse, finvmaold, dt, &
            leapf)

       if (.not. leapf) then
          ! Matsuno backward
          forall (l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps
          CALL exner_hyb(ps, p3d, pks, pk, pkf)

          ! Calcul des tendances dynamiques:
          CALL geopot((iim + 1) * (jjm + 1), teta, pk, pks, phis, phi)
          CALL caldyn(itau + 1, ucov, vcov, teta, ps, masse, pk, pkf, phis, &
               phi, dudyn, dv, dteta, dp, w, pbaru, pbarv, time_0, &
               conser=.false.)

          ! integrations dynamique et traceurs:
          CALL integrd(vcovm1, ucovm1, tetam1, psm1, massem1, dv, dudyn, &
               dteta, dp, vcov, ucov, teta, q(:, :, :, :2), ps, masse, &
               finvmaold, dtvr, leapf=.false.)
       end if

       IF (MOD(itau + 1, iphysiq) == 0 .AND. iflag_phys /= 0) THEN
          ! calcul des tendances physiques:

          forall (l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps
          CALL exner_hyb(ps, p3d, pks, pk, pkf)

          rdaym_ini = itau * dtvr / daysec
          rdayvrai = rdaym_ini + day_ini
          time = REAL(mod(itau, day_step)) / day_step + time_0
          IF (time > 1.) time = time - 1.

          CALL calfis(rdayvrai, time, ucov, vcov, teta, q, masse, ps, pk, &
               phis, phi, dudyn, dv, dq, w, dufi, dvfi, dtetafi, dqfi, dpfi, &
               lafin=itau+1==itaufin)

          ! ajout des tendances physiques:
          CALL addfi(nqmx, dtphys, ucov, vcov, teta, q, ps, dufi, dvfi, &
               dtetafi, dqfi, dpfi)
       ENDIF

       forall (l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps
       CALL exner_hyb(ps, p3d, pks, pk, pkf)

       IF (MOD(itau + 1, idissip) == 0) THEN
          ! Dissipation horizontale et verticale des petites échelles

          ! calcul de l'énergie cinétique avant dissipation
          call covcont(llm, ucov, vcov, ucont, vcont)
          call enercin(vcov, ucov, vcont, ucont, ecin0)

          ! dissipation
          CALL dissip(vcov, ucov, teta, p3d, dvdis, dudis, dtetadis)
          ucov = ucov + dudis
          vcov = vcov + dvdis

          ! On ajoute la tendance due à la transformation énergie
          ! cinétique en énergie thermique par la dissipation
          call covcont(llm, ucov, vcov, ucont, vcont)
          call enercin(vcov, ucov, vcont, ucont, ecin)
          dtetaecdt= (ecin0 - ecin) / pk
          dtetadis = dtetadis + dtetaecdt
          teta = teta + dtetadis

          ! Calcul de la valeur moyenne aux pôles :
          forall (l = 1: llm)
             teta(:, 1, l) = SUM(aire_2d(:iim, 1) * teta(:iim, 1, l)) &
                  / apoln
             teta(:, jjm + 1, l) = SUM(aire_2d(:iim, jjm+1) &
                  * teta(:iim, jjm + 1, l)) / apols
          END forall

          ps(:, 1) = SUM(aire_2d(:iim, 1) * ps(:iim, 1)) / apoln
          ps(:, jjm + 1) = SUM(aire_2d(:iim, jjm+1) * ps(:iim, jjm + 1)) &
               / apols
       END IF

       IF (MOD(itau + 1, iperiod) == 0) THEN
          ! Écriture du fichier histoire moyenne:
          CALL writedynav(histaveid, nqmx, itau + 1, vcov, ucov, teta, pk, &
               phi, q, masse, ps, phis)
          call bilan_dyn(ps, masse, pk, pbaru, pbarv, teta, phi, ucov, vcov, &
               q(:, :, :, 1), dt_app = dtvr * iperiod, &
               dt_cum = dtvr * day_step * periodav)
       ENDIF
    end do time_integration

    CALL dynredem1("restart.nc", vcov, ucov, teta, q, masse, ps, &
         itau=itau_dyn+itaufin)

    ! Calcul des tendances dynamiques:
    CALL geopot((iim + 1) * (jjm + 1), teta, pk, pks, phis, phi)
    CALL caldyn(itaufin, ucov, vcov, teta, ps, masse, pk, pkf, phis, phi, &
         dudyn, dv, dteta, dp, w, pbaru, pbarv, time_0, &
         conser=MOD(itaufin, iconser)==0)
  END SUBROUTINE leapfrog

end module leapfrog_m
1	guez	3	module leapfrog_m
2
3			IMPLICIT NONE
4
5			contains
6
7	guez	23	SUBROUTINE leapfrog(ucov, vcov, teta, ps, masse, phis, q, time_0)
8	guez	3
9	guez	27	! From dyn3d/leapfrog.F, version 1.6, 2005/04/13 08:58:34
10			! Authors: P. Le Van, L. Fairhead, F. Hourdin
11	guez	36	! Matsuno-leapfrog scheme.
12	guez	3
13	guez	37	use addfi_m, only: addfi
14	guez	40	use bilan_dyn_m, only: bilan_dyn
15			use caladvtrac_m, only: caladvtrac
16	guez	43	use caldyn_m, only: caldyn
17	guez	26	USE calfis_m, ONLY: calfis
18			USE com_io_dyn, ONLY: histaveid
19			USE comconst, ONLY: daysec, dtphys, dtvr
20	guez	29	USE comgeom, ONLY: aire_2d, apoln, apols
21	guez	26	USE comvert, ONLY: ap, bp
22	guez	27	USE conf_gcm_m, ONLY: day_step, iconser, iperiod, iphysiq, nday, offline, &
23			periodav
24	guez	29	USE dimens_m, ONLY: iim, jjm, llm, nqmx
25	guez	47	use dissip_m, only: dissip
26	guez	26	USE dynetat0_m, ONLY: day_ini
27	guez	27	use dynredem1_m, only: dynredem1
28	guez	26	USE exner_hyb_m, ONLY: exner_hyb
29	guez	27	use filtreg_m, only: filtreg
30	guez	43	use geopot_m, only: geopot
31	guez	26	USE guide_m, ONLY: guide
32			use inidissip_m, only: idissip
33	guez	32	use integrd_m, only: integrd
34	guez	26	USE logic, ONLY: iflag_phys, ok_guide
35	guez	55	use nr_util, only: assert
36	guez	26	USE pressure_var, ONLY: p3d
37	guez	28	USE temps, ONLY: itau_dyn
38	guez	3
39	guez	10	! Variables dynamiques:
40	guez	55	REAL, intent(inout):: ucov(:, :, :) ! (iim + 1, jjm + 1, llm) vent covariant
41			REAL, intent(inout):: vcov(:, :, :) ! (iim + 1, jjm, llm) ! vent covariant
42	guez	43
43			REAL, intent(inout):: teta(:, :, :) ! (iim + 1, jjm + 1, llm)
44			! potential temperature
45
46	guez	45	REAL, intent(inout):: ps(:, :) ! (iim + 1, jjm + 1) pression au sol, en Pa
47	guez	55	REAL masse((iim + 1) * (jjm + 1), llm) ! masse d'air
48			REAL phis((iim + 1) * (jjm + 1)) ! geopotentiel au sol
49	guez	40
50			REAL, intent(inout):: q(:, :, :, :) ! (iim + 1, jjm + 1, llm, nqmx)
51			! mass fractions of advected fields
52
53	guez	24	REAL, intent(in):: time_0
54	guez	10
55			! Variables local to the procedure:
56
57			! Variables dynamiques:
58
59	guez	55	REAL pks((iim + 1) * (jjm + 1)) ! exner au sol
60	guez	29	REAL pk(iim + 1, jjm + 1, llm) ! exner au milieu des couches
61	guez	55	REAL pkf((iim + 1) * (jjm + 1), llm) ! exner filt.au milieu des couches
62	guez	47	REAL phi(iim + 1, jjm + 1, llm) ! geopotential
63	guez	55	REAL w((iim + 1) * (jjm + 1), llm) ! vitesse verticale
64	guez	3
65	guez	55	! Variables dynamiques intermediaire pour le transport
66			! Flux de masse :
67			REAL pbaru((iim + 1) * (jjm + 1), llm), pbarv((iim + 1) * jjm, llm)
68	guez	3
69			! variables dynamiques au pas - 1
70	guez	55	REAL vcovm1(iim + 1, jjm, llm), ucovm1(iim + 1, jjm + 1, llm)
71	guez	29	REAL tetam1(iim + 1, jjm + 1, llm), psm1(iim + 1, jjm + 1)
72	guez	55	REAL massem1((iim + 1) * (jjm + 1), llm)
73	guez	3
74			! tendances dynamiques
75	guez	55	REAL dv((iim + 1) * jjm, llm), dudyn((iim + 1) * (jjm + 1), llm)
76			REAL dteta(iim + 1, jjm + 1, llm), dq((iim + 1) * (jjm + 1), llm, nqmx)
77			real dp((iim + 1) * (jjm + 1))
78	guez	3
79			! tendances de la dissipation
80	guez	55	REAL dvdis(iim + 1, jjm, llm), dudis(iim + 1, jjm + 1, llm)
81	guez	29	REAL dtetadis(iim + 1, jjm + 1, llm)
82	guez	3
83			! tendances physiques
84	guez	55	REAL dvfi((iim + 1) * jjm, llm), dufi((iim + 1) * (jjm + 1), llm)
85			REAL dtetafi(iim + 1, jjm + 1, llm), dqfi((iim + 1) * (jjm + 1), llm, nqmx)
86			real dpfi((iim + 1) * (jjm + 1))
87	guez	3
88			! variables pour le fichier histoire
89
90	guez	22	INTEGER itau ! index of the time step of the dynamics, starts at 0
91	guez	27	INTEGER itaufin
92	guez	20	REAL time ! time of day, as a fraction of day length
93	guez	55	real finvmaold((iim + 1) * (jjm + 1), llm)
94	guez	33	INTEGER l
95	guez	3	REAL rdayvrai, rdaym_ini
96
97	guez	24	! Variables test conservation energie
98	guez	29	REAL ecin(iim + 1, jjm + 1, llm), ecin0(iim + 1, jjm + 1, llm)
99	guez	43
100	guez	29	REAL dtetaecdt(iim + 1, jjm + 1, llm)
101	guez	55	! tendance de la température potentielle due à la transformation
102			! d'énergie cinétique en énergie thermique par la dissipation
103	guez	43
104	guez	55	REAL vcont((iim + 1) * jjm, llm), ucont((iim + 1) * (jjm + 1), llm)
105	guez	33	logical leapf
106			real dt
107	guez	3
108			!---------------------------------------------------
109
110			print *, "Call sequence information: leapfrog"
111	guez	55	call assert(shape(ucov) == (/iim + 1, jjm + 1, llm/), "leapfrog")
112	guez	3
113			itaufin = nday * day_step
114	guez	30	! "day_step" is a multiple of "iperiod", therefore "itaufin" is one too
115
116	guez	24	dq = 0.
117	guez	33
118	guez	3	! On initialise la pression et la fonction d'Exner :
119	guez	37	forall (l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps
120	guez	10	CALL exner_hyb(ps, p3d, pks, pk, pkf)
121	guez	3
122	guez	40	time_integration: do itau = 0, itaufin - 1
123	guez	33	leapf = mod(itau, iperiod) /= 0
124			if (leapf) then
125			dt = 2 * dtvr
126			else
127			! Matsuno
128			dt = dtvr
129			if (ok_guide .and. (itaufin - itau - 1) * dtvr > 21600.) &
130			call guide(itau, ucov, vcov, teta, q, masse, ps)
131			vcovm1 = vcov
132			ucovm1 = ucov
133			tetam1 = teta
134			massem1 = masse
135			psm1 = ps
136			finvmaold = masse
137			CALL filtreg(finvmaold, jjm + 1, llm, - 2, 2, .TRUE., 1)
138			end if
139	guez	30
140			! Calcul des tendances dynamiques:
141	guez	55	CALL geopot((iim + 1) * (jjm + 1), teta, pk, pks, phis, phi)
142	guez	30	CALL caldyn(itau, ucov, vcov, teta, ps, masse, pk, pkf, phis, phi, &
143	guez	47	dudyn, dv, dteta, dp, w, pbaru, pbarv, time_0, &
144			conser=MOD(itau, iconser)==0)
145	guez	30
146			! Calcul des tendances advection des traceurs (dont l'humidité)
147			CALL caladvtrac(q, pbaru, pbarv, p3d, masse, dq, teta, pk)
148	guez	33
149	guez	30	! Stokage du flux de masse pour traceurs offline:
150			IF (offline) CALL fluxstokenc(pbaru, pbarv, masse, teta, phi, phis, &
151			dtvr, itau)
152
153	guez	46	! Integrations dynamique et traceurs:
154	guez	47	CALL integrd(vcovm1, ucovm1, tetam1, psm1, massem1, dv, dudyn, dteta, &
155			dp, vcov, ucov, teta, q(:, :, :, :2), ps, masse, finvmaold, dt, &
156			leapf)
157	guez	30
158	guez	33	if (.not. leapf) then
159			! Matsuno backward
160	guez	37	forall (l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps
161	guez	33	CALL exner_hyb(ps, p3d, pks, pk, pkf)
162	guez	30
163	guez	27	! Calcul des tendances dynamiques:
164	guez	55	CALL geopot((iim + 1) * (jjm + 1), teta, pk, pks, phis, phi)
165	guez	33	CALL caldyn(itau + 1, ucov, vcov, teta, ps, masse, pk, pkf, phis, &
166	guez	47	phi, dudyn, dv, dteta, dp, w, pbaru, pbarv, time_0, &
167			conser=.false.)
168	guez	3
169			! integrations dynamique et traceurs:
170	guez	47	CALL integrd(vcovm1, ucovm1, tetam1, psm1, massem1, dv, dudyn, &
171			dteta, dp, vcov, ucov, teta, q(:, :, :, :2), ps, masse, &
172			finvmaold, dtvr, leapf=.false.)
173	guez	33	end if
174	guez	3
175	guez	33	IF (MOD(itau + 1, iphysiq) == 0 .AND. iflag_phys /= 0) THEN
176			! calcul des tendances physiques:
177	guez	3
178	guez	37	forall (l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps
179	guez	33	CALL exner_hyb(ps, p3d, pks, pk, pkf)
180	guez	3
181	guez	33	rdaym_ini = itau * dtvr / daysec
182			rdayvrai = rdaym_ini + day_ini
183			time = REAL(mod(itau, day_step)) / day_step + time_0
184			IF (time > 1.) time = time - 1.
185	guez	3
186	guez	37	CALL calfis(rdayvrai, time, ucov, vcov, teta, q, masse, ps, pk, &
187	guez	47	phis, phi, dudyn, dv, dq, w, dufi, dvfi, dtetafi, dqfi, dpfi, &
188	guez	44	lafin=itau+1==itaufin)
189	guez	3
190	guez	33	! ajout des tendances physiques:
191			CALL addfi(nqmx, dtphys, ucov, vcov, teta, q, ps, dufi, dvfi, &
192			dtetafi, dqfi, dpfi)
193			ENDIF
194	guez	3
195	guez	37	forall (l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps
196	guez	33	CALL exner_hyb(ps, p3d, pks, pk, pkf)
197	guez	3
198	guez	33	IF (MOD(itau + 1, idissip) == 0) THEN
199	guez	55	! Dissipation horizontale et verticale des petites échelles
200	guez	3
201	guez	55	! calcul de l'énergie cinétique avant dissipation
202	guez	33	call covcont(llm, ucov, vcov, ucont, vcont)
203			call enercin(vcov, ucov, vcont, ucont, ecin0)
204	guez	3
205	guez	33	! dissipation
206			CALL dissip(vcov, ucov, teta, p3d, dvdis, dudis, dtetadis)
207	guez	55	ucov = ucov + dudis
208			vcov = vcov + dvdis
209	guez	3
210	guez	55	! On ajoute la tendance due à la transformation énergie
211			! cinétique en énergie thermique par la dissipation
212	guez	33	call covcont(llm, ucov, vcov, ucont, vcont)
213			call enercin(vcov, ucov, vcont, ucont, ecin)
214			dtetaecdt= (ecin0 - ecin) / pk
215	guez	55	dtetadis = dtetadis + dtetaecdt
216			teta = teta + dtetadis
217	guez	3
218	guez	33	! Calcul de la valeur moyenne aux pôles :
219			forall (l = 1: llm)
220			teta(:, 1, l) = SUM(aire_2d(:iim, 1) * teta(:iim, 1, l)) &
221			/ apoln
222			teta(:, jjm + 1, l) = SUM(aire_2d(:iim, jjm+1) &
223			* teta(:iim, jjm + 1, l)) / apols
224			END forall
225	guez	3
226	guez	33	ps(:, 1) = SUM(aire_2d(:iim, 1) * ps(:iim, 1)) / apoln
227			ps(:, jjm + 1) = SUM(aire_2d(:iim, jjm+1) * ps(:iim, jjm + 1)) &
228			/ apols
229			END IF
230	guez	3
231	guez	33	IF (MOD(itau + 1, iperiod) == 0) THEN
232	guez	40	! Écriture du fichier histoire moyenne:
233	guez	33	CALL writedynav(histaveid, nqmx, itau + 1, vcov, ucov, teta, pk, &
234			phi, q, masse, ps, phis)
235	guez	40	call bilan_dyn(ps, masse, pk, pbaru, pbarv, teta, phi, ucov, vcov, &
236			q(:, :, :, 1), dt_app = dtvr * iperiod, &
237			dt_cum = dtvr * day_step * periodav)
238	guez	33	ENDIF
239	guez	40	end do time_integration
240	guez	3
241	guez	30	CALL dynredem1("restart.nc", vcov, ucov, teta, q, masse, ps, &
242			itau=itau_dyn+itaufin)
243
244			! Calcul des tendances dynamiques:
245	guez	55	CALL geopot((iim + 1) * (jjm + 1), teta, pk, pks, phis, phi)
246	guez	30	CALL caldyn(itaufin, ucov, vcov, teta, ps, masse, pk, pkf, phis, phi, &
247	guez	47	dudyn, dv, dteta, dp, w, pbaru, pbarv, time_0, &
248			conser=MOD(itaufin, iconser)==0)
249	guez	3	END SUBROUTINE leapfrog
250
251			end module leapfrog_m