Context Navigation

vdifc_mod.F @ 2825

Last change on this file since 2825 was 2823, checked in by emillour, 3 years ago
Mars GCM: Remove the "tracer" (logical) flag as we now always run with at least one tracer. EM
File size: 38.3 KB

Rev	Line
[1969]	1	MODULE vdifc_mod
	2
	3	IMPLICIT NONE
	4
	5	CONTAINS
	6
[38]	7	SUBROUTINE vdifc(ngrid,nlay,nq,co2ice,ppopsk,
	8	$ ptimestep,pcapcal,lecrit,
	9	$ pplay,pplev,pzlay,pzlev,pz0,
	10	$ pu,pv,ph,pq,ptsrf,pemis,pqsurf,
	11	$ pdufi,pdvfi,pdhfi,pdqfi,pfluxsrf,
	12	$ pdudif,pdvdif,pdhdif,pdtsrf,pq2,
[660]	13	$ pdqdif,pdqsdif,wstar,zcdv_true,zcdh_true,
[1996]	14	$ hfmax,pcondicea_co2microp,sensibFlux,
[2260]	15	$ dustliftday,local_time,watercap, dwatercap_dif)
[1236]	16
[1036]	17	use tracer_mod, only: noms, igcm_dust_mass, igcm_dust_number,
	18	& igcm_dust_submicron, igcm_h2o_vap,
[1974]	19	& igcm_h2o_ice, alpha_lift,
[2312]	20	& igcm_hdo_vap, igcm_hdo_ice,
[1974]	21	& igcm_stormdust_mass, igcm_stormdust_number
[1224]	22	use surfdat_h, only: watercaptag, frost_albedo_threshold, dryness
[1969]	23	USE comcstfi_h, ONLY: cpp, r, rcp, g
[1996]	24	use watersat_mod, only: watersat
[1242]	25	use turb_mod, only: turb_resolved, ustar, tstar
[2160]	26	use compute_dtau_mod, only: ti_injection_sol,tf_injection_sol
[2312]	27	use hdo_surfex_mod, only: hdo_surfex
[2515]	28	c use geometry_mod, only: longitude_deg,latitude_deg ! Joseph
[2409]	29	use dust_param_mod, only: doubleq, submicron, lifting
[2312]	30
[38]	31	IMPLICIT NONE
	32
	33	c=======================================================================
	34	c
	35	c subject:
	36	c --------
	37	c Turbulent diffusion (mixing) for potential T, U, V and tracer
	38	c
	39	c Shema implicite
	40	c On commence par rajouter au variables x la tendance physique
	41	c et on resoult en fait:
	42	c x(t+1) = x(t) + dt * (dx/dt)phys(t) + dt * (dx/dt)difv(t+1)
	43	c
	44	c author:
	45	c ------
	46	c Hourdin/Forget/Fournier
	47	c=======================================================================
	48
	49	c-----------------------------------------------------------------------
	50	c declarations:
	51	c -------------
	52
[1944]	53	include "callkeys.h"
	54	include "microphys.h"
[38]	55
	56	c
	57	c arguments:
	58	c ----------
	59
[1036]	60	INTEGER,INTENT(IN) :: ngrid,nlay
	61	REAL,INTENT(IN) :: ptimestep
	62	REAL,INTENT(IN) :: pplay(ngrid,nlay),pplev(ngrid,nlay+1)
	63	REAL,INTENT(IN) :: pzlay(ngrid,nlay),pzlev(ngrid,nlay+1)
	64	REAL,INTENT(IN) :: pu(ngrid,nlay),pv(ngrid,nlay)
	65	REAL,INTENT(IN) :: ph(ngrid,nlay)
	66	REAL,INTENT(IN) :: ptsrf(ngrid),pemis(ngrid)
	67	REAL,INTENT(IN) :: pdufi(ngrid,nlay),pdvfi(ngrid,nlay)
	68	REAL,INTENT(IN) :: pdhfi(ngrid,nlay)
	69	REAL,INTENT(IN) :: pfluxsrf(ngrid)
	70	REAL,INTENT(OUT) :: pdudif(ngrid,nlay),pdvdif(ngrid,nlay)
	71	REAL,INTENT(OUT) :: pdtsrf(ngrid),pdhdif(ngrid,nlay)
[1130]	72	REAL,INTENT(IN) :: pcapcal(ngrid)
	73	REAL,INTENT(INOUT) :: pq2(ngrid,nlay+1)
[38]	74
	75	c Argument added for condensation:
[1036]	76	REAL,INTENT(IN) :: co2ice (ngrid), ppopsk(ngrid,nlay)
	77	logical,INTENT(IN) :: lecrit
[1996]	78	REAL,INTENT(IN) :: pcondicea_co2microp(ngrid,nlay)! tendency due to CO2 condensation (kg/kg.s-1)
	79
[1036]	80	REAL,INTENT(IN) :: pz0(ngrid) ! surface roughness length (m)
[224]	81
[256]	82	c Argument added to account for subgrid gustiness :
	83
[1944]	84	REAL,INTENT(IN) :: wstar(ngrid), hfmax(ngrid)!, zi(ngrid)
[256]	85
[38]	86	c Traceurs :
[1036]	87	integer,intent(in) :: nq
	88	REAL,INTENT(IN) :: pqsurf(ngrid,nq)
[2515]	89	REAL :: zqsurf(ngrid) ! temporary water tracer
[1036]	90	real,intent(in) :: pq(ngrid,nlay,nq), pdqfi(ngrid,nlay,nq)
	91	real,intent(out) :: pdqdif(ngrid,nlay,nq)
[1974]	92	real,intent(out) :: pdqsdif(ngrid,nq)
	93	REAL,INTENT(in) :: dustliftday(ngrid)
	94	REAL,INTENT(in) :: local_time(ngrid)
[38]	95
	96	c local:
	97	c ------
	98
[1130]	99	REAL :: pt(ngrid,nlay)
[473]	100
[38]	101	INTEGER ilev,ig,ilay,nlev
	102
[1047]	103	REAL z4st,zdplanck(ngrid)
	104	REAL zkv(ngrid,nlay+1),zkh(ngrid,nlay+1)
	105	REAL zkq(ngrid,nlay+1)
	106	REAL zcdv(ngrid),zcdh(ngrid)
	107	REAL zcdv_true(ngrid),zcdh_true(ngrid) ! drag coeff are used by the LES to recompute u* and hfx
	108	REAL zu(ngrid,nlay),zv(ngrid,nlay)
	109	REAL zh(ngrid,nlay)
	110	REAL ztsrf2(ngrid)
	111	REAL z1(ngrid),z2(ngrid)
	112	REAL za(ngrid,nlay),zb(ngrid,nlay)
	113	REAL zb0(ngrid,nlay)
	114	REAL zc(ngrid,nlay),zd(ngrid,nlay)
[38]	115	REAL zcst1
[1047]	116	REAL zu2(ngrid)
[38]	117
	118	EXTERNAL SSUM,SCOPY
	119	REAL SSUM
[1036]	120	LOGICAL,SAVE :: firstcall=.true.
[38]	121
[2616]	122	!$OMP THREADPRIVATE(firstcall)
[626]	123
[38]	124	c variable added for CO2 condensation:
	125	c ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[1047]	126	REAL hh , zhcond(ngrid,nlay)
	127	REAL,PARAMETER :: latcond=5.9e5
	128	REAL,PARAMETER :: tcond1mb=136.27
	129	REAL,SAVE :: acond,bcond
[2616]	130
	131	!$OMP THREADPRIVATE(acond,bcond)
[669]	132
[2515]	133	c Subtimestep & implicit treatment of water vapor
	134	c ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
	135	REAL zdqsdif(ngrid) ! subtimestep pdqsdif for water ice
	136	REAL ztsrf(ngrid) ! temporary surface temperature in tsub
	137	REAL zdtsrf(ngrid) ! surface temperature tendancy in tsub
	138
[2179]	139	c For latent heat release from ground water ice sublimation
[2515]	140	c ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
	141	REAL tsrf_lh(ngrid) ! temporary surface temperature with lh effect
[2179]	142	REAL lh ! latent heat, formulation given in the Technical Document:
	143	! "Modeling water ice sublimation under Phoenix-like conditions", Montmessin et al. 2004
[38]	144
	145	c Tracers :
	146	c ~~~~~~~
	147	INTEGER iq
[1047]	148	REAL zq(ngrid,nlay,nq)
	149	REAL zq1temp(ngrid)
	150	REAL rho(ngrid) ! near surface air density
	151	REAL qsat(ngrid)
[38]	152
[2312]	153	REAL hdoflux(ngrid) ! value of vapour flux of HDO
	154	REAL h2oflux(ngrid) ! value of vapour flux of H2O
	155	REAL old_h2o_vap(ngrid) ! traceur d'eau avant traitement
	156
[38]	157	REAL kmixmin
	158
[2260]	159	c Argument added for surface water ice budget:
	160	REAL,INTENT(IN) :: watercap(ngrid)
	161	REAL,INTENT(OUT) :: dwatercap_dif(ngrid)
	162
[2515]	163	c Subtimestep to compute h2o latent heat flux:
	164	REAL :: dtmax = 0.5 ! subtimestep temp criterion
	165	INTEGER tsub ! adaptative subtimestep (seconds)
	166	REAL subtimestep !ptimestep/nsubtimestep
	167	INTEGER nsubtimestep(ngrid) ! number of subtimestep (int)
	168
[473]	169	c Mass-variation scheme :
	170	c ~~~~~~~
	171
	172	INTEGER j,l
[1047]	173	REAL zcondicea(ngrid,nlay)
	174	REAL zt(ngrid,nlay),ztcond(ngrid,nlay+1)
	175	REAL betam(ngrid,nlay),dmice(ngrid,nlay)
	176	REAL pdtc(ngrid,nlay)
	177	REAL zhs(ngrid,nlay)
	178	REAL,SAVE :: ccond
[473]	179
[2616]	180	!$OMP THREADPRIVATE(ccond)
	181
[473]	182	c Theta_m formulation for mass-variation scheme :
	183	c ~~~~~~~
	184
[1047]	185	INTEGER,SAVE :: ico2
	186	INTEGER llnt(ngrid)
	187	REAL,SAVE :: m_co2, m_noco2, A , B
	188	REAL vmr_co2(ngrid,nlay)
[473]	189	REAL qco2,mmean
	190
[2616]	191	!$OMP THREADPRIVATE(ico2,m_co2,m_noco2,A,B)
	192
[1047]	193	REAL,INTENT(OUT) :: sensibFlux(ngrid)
[660]	194
[2312]	195	!!MARGAUX
	196	REAL DoH_vap(ngrid,nlay)
	197
[38]	198	c ** un petit test de coherence
	199	c --------------------------
	200
[1779]	201	! AS: OK firstcall absolute
[38]	202	IF (firstcall) THEN
	203	c To compute: Tcond= 1./(bcond-acondlog(.0095p)) (p in pascal)
	204	bcond=1./tcond1mb
	205	acond=r/latcond
[473]	206	ccond=cpp/(g*latcond)
[38]	207	PRINT*,'In vdifc: Tcond(P=1mb)=',tcond1mb,' Lcond=',latcond
[473]	208	PRINT*,' acond,bcond,ccond',acond,bcond,ccond
[38]	209
[473]	210
	211	ico2=0
	212
	213	c Prepare Special treatment if one of the tracer is CO2 gas
[1036]	214	do iq=1,nq
[473]	215	if (noms(iq).eq."co2") then
	216	ico2=iq
	217	m_co2 = 44.01E-3 ! CO2 molecular mass (kg/mol)
	218	m_noco2 = 33.37E-3 ! Non condensible mol mass (kg/mol)
	219	c Compute A and B coefficient use to compute
	220	c mean molecular mass Mair defined by
	221	c 1/Mair = q(ico2)/m_co2 + (1-q(ico2))/m_noco2
	222	c 1/Mair = A*q(ico2) + B
	223	A =(1/m_co2 - 1/m_noco2)
	224	B=1/m_noco2
	225	endif
	226	enddo
	227
[38]	228	firstcall=.false.
	229	ENDIF
	230
	231
	232	c-----------------------------------------------------------------------
	233	c 1. initialisation
	234	c -----------------
	235
	236	nlev=nlay+1
	237
[1035]	238	! initialize output tendencies to zero:
	239	pdudif(1:ngrid,1:nlay)=0
	240	pdvdif(1:ngrid,1:nlay)=0
	241	pdhdif(1:ngrid,1:nlay)=0
	242	pdtsrf(1:ngrid)=0
[2515]	243	zdtsrf(1:ngrid)=0
[1035]	244	pdqdif(1:ngrid,1:nlay,1:nq)=0
	245	pdqsdif(1:ngrid,1:nq)=0
[2515]	246	zdqsdif(1:ngrid)=0
[2260]	247	dwatercap_dif(1:ngrid)=0
[1035]	248
[38]	249	c ** calcul de rhodz et dtrho/dz=dtrho*2 g/dp
	250	c avec rho=p/RT=p/ (R Theta) (p/ps)**kappa
	251	c ----------------------------------------
	252
	253	DO ilay=1,nlay
	254	DO ig=1,ngrid
	255	za(ig,ilay)=(pplev(ig,ilay)-pplev(ig,ilay+1))/g
[473]	256	! Mass variation scheme:
	257	betam(ig,ilay)=-za(ig,ilay)latcond/(cppppopsk(ig,ilay))
[38]	258	ENDDO
	259	ENDDO
	260
	261	zcst1=4.gptimestep/(r*r)
	262	DO ilev=2,nlev-1
	263	DO ig=1,ngrid
	264	zb0(ig,ilev)=pplev(ig,ilev)*
	265	s (pplev(ig,1)/pplev(ig,ilev))**rcp /
	266	s (ph(ig,ilev-1)+ph(ig,ilev))
	267	zb0(ig,ilev)=zcst1zb0(ig,ilev)zb0(ig,ilev)/
	268	s (pplay(ig,ilev-1)-pplay(ig,ilev))
	269	ENDDO
	270	ENDDO
	271	DO ig=1,ngrid
[473]	272	zb0(ig,1)=ptimesteppplev(ig,1)/(rptsrf(ig))
[38]	273	ENDDO
	274
	275	c ** diagnostique pour l'initialisation
	276	c ----------------------------------
	277
	278	IF(lecrit) THEN
	279	ig=ngrid/2+1
	280	PRINT*,'Pression (mbar) ,altitude (km),u,v,theta, rho dz'
	281	DO ilay=1,nlay
	282	WRITE(*,'(6f11.5)')
	283	s .01pplay(ig,ilay),.001pzlay(ig,ilay),
	284	s pu(ig,ilay),pv(ig,ilay),ph(ig,ilay),za(ig,ilay)
	285	ENDDO
	286	PRINT*,'Pression (mbar) ,altitude (km),zb'
	287	DO ilev=1,nlay
	288	WRITE(*,'(3f15.7)')
	289	s .01pplev(ig,ilev),.001pzlev(ig,ilev),
	290	s zb0(ig,ilev)
	291	ENDDO
	292	ENDIF
	293
[473]	294	c -----------------------------------
[38]	295	c Potential Condensation temperature:
	296	c -----------------------------------
	297
[473]	298	c Compute CO2 Volume mixing ratio
	299	c -------------------------------
	300	if (callcond.and.(ico2.ne.0)) then
	301	DO ilev=1,nlay
	302	DO ig=1,ngrid
[529]	303	qco2=MAX(1.E-30
	304	& ,pq(ig,ilev,ico2)+pdqfi(ig,ilev,ico2)*ptimestep)
[473]	305	c Mean air molecular mass = 1/(q(ico2)/m_co2 + (1-q(ico2))/m_noco2)
	306	mmean=1/(A*qco2 +B)
	307	vmr_co2(ig,ilev) = qco2*mmean/m_co2
	308	ENDDO
	309	ENDDO
	310	else
	311	DO ilev=1,nlay
	312	DO ig=1,ngrid
	313	vmr_co2(ig,ilev)=0.95
	314	ENDDO
	315	ENDDO
	316	end if
[38]	317
[473]	318	c forecast of atmospheric temperature zt and frost temperature ztcond
	319	c --------------------------------------------------------------------
[38]	320
[473]	321	if (callcond) then
	322	DO ilev=1,nlay
	323	DO ig=1,ngrid
[884]	324	ztcond(ig,ilev)=
	325	& 1./(bcond-acondlog(.01vmr_co2(ig,ilev)*pplay(ig,ilev)))
	326	if (pplay(ig,ilev).lt.1e-4) ztcond(ig,ilev)=0.0 !mars Monica
[473]	327	! zhcond(ig,ilev) =
	328	! & (1./(bcond-acondlog(.0095pplay(ig,ilev))))/ppopsk(ig,ilev)
	329	zhcond(ig,ilev) = ztcond(ig,ilev)/ppopsk(ig,ilev)
	330	END DO
	331	END DO
[884]	332	ztcond(:,nlay+1)=ztcond(:,nlay)
[473]	333	else
[884]	334	zhcond(:,:) = 0
	335	ztcond(:,:) = 0
[473]	336	end if
	337
	338
[38]	339	c-----------------------------------------------------------------------
	340	c 2. ajout des tendances physiques
	341	c -----------------------------
	342
	343	DO ilev=1,nlay
	344	DO ig=1,ngrid
	345	zu(ig,ilev)=pu(ig,ilev)+pdufi(ig,ilev)*ptimestep
	346	zv(ig,ilev)=pv(ig,ilev)+pdvfi(ig,ilev)*ptimestep
	347	zh(ig,ilev)=ph(ig,ilev)+pdhfi(ig,ilev)*ptimestep
[473]	348	! zh(ig,ilev)=max(zh(ig,ilev),zhcond(ig,ilev))
[38]	349	ENDDO
	350	ENDDO
[2823]	351	zq(1:ngrid,1:nlay,1:nq)=pq(1:ngrid,1:nlay,1:nq)+
	352	& pdqfi(1:ngrid,1:nlay,1:nq)*ptimestep
[38]	353
	354	c-----------------------------------------------------------------------
	355	c 3. schema de turbulence
	356	c --------------------
	357
	358	c ** source d'energie cinetique turbulente a la surface
	359	c (condition aux limites du schema de diffusion turbulente
	360	c dans la couche limite
	361	c ---------------------
	362
[499]	363	CALL vdif_cd(ngrid,nlay,pz0,g,pzlay,pu,pv,wstar,ptsrf,ph
[1236]	364	& ,zcdv_true,zcdh_true)
[256]	365
[290]	366	zu2(:)=pu(:,1)pu(:,1)+pv(:,1)pv(:,1)
[256]	367
[291]	368	IF (callrichsl) THEN
[545]	369	zcdv(:)=zcdv_true(:)*sqrt(zu2(:)+
	370	& (log(1.+0.7wstar(:) + 2.3wstar(:)2))2)
	371	zcdh(:)=zcdh_true(:)*sqrt(zu2(:)+
	372	& (log(1.+0.7wstar(:) + 2.3wstar(:)2))2)
[496]	373
[1242]	374	ustar(:)=sqrt(zcdv_true(:))*sqrt(zu2(:)+
[545]	375	& (log(1.+0.7wstar(:) + 2.3wstar(:)2))2)
	376
[1242]	377	tstar(:)=0.
[545]	378	DO ig=1,ngrid
	379	IF (zcdh_true(ig) .ne. 0.) THEN ! When Cd=Ch=0, u=t=0
[1242]	380	tstar(ig)=(ph(ig,1)-ptsrf(ig))*zcdh(ig)/ustar(ig)
[545]	381	ENDIF
	382	ENDDO
	383
[284]	384	ELSE
[545]	385	zcdv(:)=zcdv_true(:)*sqrt(zu2(:)) ! 1 / bulk aerodynamic momentum conductance
	386	zcdh(:)=zcdh_true(:)*sqrt(zu2(:)) ! 1 / bulk aerodynamic heat conductance
[1242]	387	ustar(:)=sqrt(zcdv_true(:))*sqrt(zu2(:))
	388	tstar(:)=(ph(:,1)-ptsrf(:))*zcdh_true(:)/sqrt(zcdv_true(:))
[290]	389	ENDIF
[38]	390
[529]	391	! Some usefull diagnostics for the new surface layer parametrization :
[290]	392
[1130]	393	! call WRITEDIAGFI(ngrid,'vdifc_zcdv_true',
[256]	394	! & 'momentum drag','no units',
	395	! & 2,zcdv_true)
[1130]	396	! call WRITEDIAGFI(ngrid,'vdifc_zcdh_true',
[256]	397	! & 'heat drag','no units',
	398	! & 2,zcdh_true)
[1130]	399	! call WRITEDIAGFI(ngrid,'vdifc_ust',
[473]	400	! & 'friction velocity','m/s',2,ust)
[1130]	401	! call WRITEDIAGFI(ngrid,'vdifc_tst',
[473]	402	! & 'friction temperature','K',2,tst)
[1130]	403	! call WRITEDIAGFI(ngrid,'vdifc_zcdv',
[268]	404	! & 'aerodyn momentum conductance','m/s',
[256]	405	! & 2,zcdv)
[1130]	406	! call WRITEDIAGFI(ngrid,'vdifc_zcdh',
[268]	407	! & 'aerodyn heat conductance','m/s',
[256]	408	! & 2,zcdh)
	409
[38]	410	c ** schema de diffusion turbulente dans la couche limite
	411	c ----------------------------------------------------
[1240]	412	IF (.not. callyamada4) THEN
[529]	413
[1130]	414	CALL vdif_kc(ngrid,nlay,nq,ptimestep,g,pzlev,pzlay
[38]	415	& ,pu,pv,ph,zcdv_true
[325]	416	& ,pq2,zkv,zkh,zq)
[529]	417
[544]	418	ELSE
[38]	419
[555]	420	pt(:,:)=ph(:,:)*ppopsk(:,:)
[1036]	421	CALL yamada4(ngrid,nlay,nq,ptimestep,g,r,pplev,pt
[1242]	422	s ,pzlev,pzlay,pu,pv,ph,pq,zcdv_true,pq2,zkv,zkh,zkq,ustar
[652]	423	s ,9)
[544]	424	ENDIF
	425
[38]	426	if ((doubleq).and.(ngrid.eq.1)) then
	427	kmixmin = 80. !80.! minimum eddy mix coeff in 1D
	428	do ilev=1,nlay
	429	do ig=1,ngrid
	430	zkh(ig,ilev) = max(kmixmin,zkh(ig,ilev))
	431	zkv(ig,ilev) = max(kmixmin,zkv(ig,ilev))
	432	end do
	433	end do
	434	end if
	435
	436	c ** diagnostique pour le schema de turbulence
	437	c -----------------------------------------
	438
	439	IF(lecrit) THEN
	440	PRINT*
	441	PRINT*,'Diagnostic for the vertical turbulent mixing'
	442	PRINT*,'Cd for momentum and potential temperature'
	443
	444	PRINT*,zcdv(ngrid/2+1),zcdh(ngrid/2+1)
	445	PRINT*,'Mixing coefficient for momentum and pot.temp.'
	446	DO ilev=1,nlay
	447	PRINT*,zkv(ngrid/2+1,ilev),zkh(ngrid/2+1,ilev)
	448	ENDDO
	449	ENDIF
	450
	451
	452
	453
	454	c-----------------------------------------------------------------------
	455	c 4. inversion pour l'implicite sur u
	456	c --------------------------------
	457
	458	c ** l'equation est
	459	c u(t+1) = u(t) + dt * {(du/dt)phys}(t) + dt * {(du/dt)difv}(t+1)
	460	c avec
	461	c /zu/ = u(t) + dt * {(du/dt)phys}(t) (voir paragraphe 2.)
	462	c et
	463	c dt * {(du/dt)difv}(t+1) = dt * {(d/dz)[ Ku (du/dz) ]}(t+1)
	464	c donc les entrees sont /zcdv/ pour la condition a la limite sol
	465	c et /zkv/ = Ku
[2312]	466
[2274]	467	zb(1:ngrid,2:nlay)=zkv(1:ngrid,2:nlay)*zb0(1:ngrid,2:nlay)
	468	zb(1:ngrid,1)=zcdv(1:ngrid)*zb0(1:ngrid,1)
[38]	469
	470	DO ig=1,ngrid
	471	z1(ig)=1./(za(ig,nlay)+zb(ig,nlay))
	472	zc(ig,nlay)=za(ig,nlay)zu(ig,nlay)z1(ig)
	473	zd(ig,nlay)=zb(ig,nlay)*z1(ig)
	474	ENDDO
	475
	476	DO ilay=nlay-1,1,-1
	477	DO ig=1,ngrid
	478	z1(ig)=1./(za(ig,ilay)+zb(ig,ilay)+
	479	$ zb(ig,ilay+1)*(1.-zd(ig,ilay+1)))
	480	zc(ig,ilay)=(za(ig,ilay)*zu(ig,ilay)+
	481	$ zb(ig,ilay+1)zc(ig,ilay+1))z1(ig)
	482	zd(ig,ilay)=zb(ig,ilay)*z1(ig)
	483	ENDDO
	484	ENDDO
	485
	486	DO ig=1,ngrid
	487	zu(ig,1)=zc(ig,1)
	488	ENDDO
	489	DO ilay=2,nlay
	490	DO ig=1,ngrid
	491	zu(ig,ilay)=zc(ig,ilay)+zd(ig,ilay)*zu(ig,ilay-1)
	492	ENDDO
	493	ENDDO
	494
	495
	496
	497
	498
	499	c-----------------------------------------------------------------------
	500	c 5. inversion pour l'implicite sur v
	501	c --------------------------------
	502
	503	c ** l'equation est
	504	c v(t+1) = v(t) + dt * {(dv/dt)phys}(t) + dt * {(dv/dt)difv}(t+1)
	505	c avec
	506	c /zv/ = v(t) + dt * {(dv/dt)phys}(t) (voir paragraphe 2.)
	507	c et
	508	c dt * {(dv/dt)difv}(t+1) = dt * {(d/dz)[ Kv (dv/dz) ]}(t+1)
	509	c donc les entrees sont /zcdv/ pour la condition a la limite sol
	510	c et /zkv/ = Kv
	511
	512	DO ig=1,ngrid
	513	z1(ig)=1./(za(ig,nlay)+zb(ig,nlay))
	514	zc(ig,nlay)=za(ig,nlay)zv(ig,nlay)z1(ig)
	515	zd(ig,nlay)=zb(ig,nlay)*z1(ig)
	516	ENDDO
	517
	518	DO ilay=nlay-1,1,-1
	519	DO ig=1,ngrid
	520	z1(ig)=1./(za(ig,ilay)+zb(ig,ilay)+
	521	$ zb(ig,ilay+1)*(1.-zd(ig,ilay+1)))
	522	zc(ig,ilay)=(za(ig,ilay)*zv(ig,ilay)+
	523	$ zb(ig,ilay+1)zc(ig,ilay+1))z1(ig)
	524	zd(ig,ilay)=zb(ig,ilay)*z1(ig)
	525	ENDDO
	526	ENDDO
	527
	528	DO ig=1,ngrid
	529	zv(ig,1)=zc(ig,1)
	530	ENDDO
	531	DO ilay=2,nlay
	532	DO ig=1,ngrid
	533	zv(ig,ilay)=zc(ig,ilay)+zd(ig,ilay)*zv(ig,ilay-1)
	534	ENDDO
	535	ENDDO
	536
	537
	538
	539
	540
	541	c-----------------------------------------------------------------------
	542	c 6. inversion pour l'implicite sur h sans oublier le couplage
	543	c avec le sol (conduction)
	544	c ------------------------
	545
	546	c ** l'equation est
	547	c h(t+1) = h(t) + dt * {(dh/dt)phys}(t) + dt * {(dh/dt)difv}(t+1)
	548	c avec
	549	c /zh/ = h(t) + dt * {(dh/dt)phys}(t) (voir paragraphe 2.)
	550	c et
	551	c dt * {(dh/dt)difv}(t+1) = dt * {(d/dz)[ Kh (dh/dz) ]}(t+1)
	552	c donc les entrees sont /zcdh/ pour la condition de raccord au sol
	553	c et /zkh/ = Kh
	554	c -------------
	555
[473]	556	c Mass variation scheme:
[2274]	557	zb(1:ngrid,2:nlay)=zkh(1:ngrid,2:nlay)*zb0(1:ngrid,2:nlay)
	558	zb(1:ngrid,1)=zcdh(1:ngrid)*zb0(1:ngrid,1)
[38]	559
[473]	560	c on initialise dm c
	561
	562	pdtc(:,:)=0.
	563	zt(:,:)=0.
	564	dmice(:,:)=0.
[38]	565
	566	c ** calcul de (d Planck / dT) a la temperature d'interface
	567	c ------------------------------------------------------
	568
	569	z4st=4.5.67e-8ptimestep
[544]	570	IF (tke_heat_flux .eq. 0.) THEN
[38]	571	DO ig=1,ngrid
	572	zdplanck(ig)=z4stpemis(ig)ptsrf(ig)ptsrf(ig)ptsrf(ig)
	573	ENDDO
[544]	574	ELSE
	575	zdplanck(:)=0.
	576	ENDIF
[38]	577
[473]	578	! calcul de zc et zd pour la couche top en prenant en compte le terme
[2080]	579	! de variation de masse (on fait une boucle pour que \E7a converge)
[473]	580
	581	! Identification des points de grilles qui ont besoin de la correction
	582
	583	llnt(:)=1
[1236]	584	IF (.not.turb_resolved) THEN
[884]	585	IF (callcond) THEN
	586	DO ig=1,ngrid
[473]	587	DO l=1,nlay
	588	if(zh(ig,l) .lt. zhcond(ig,l)) then
	589	llnt(ig)=300
	590	! 200 and 100 do not go beyond month 9 with normal dissipation
	591	goto 5
	592	endif
	593	ENDDO
[884]	594	5 continue
	595	ENDDO
	596	ENDIF
[473]	597
[529]	598	ENDIF
	599
[473]	600	DO ig=1,ngrid
	601
	602	! Initialization of z1 and zd, which do not depend on dmice
	603
	604	z1(ig)=1./(za(ig,nlay)+zb(ig,nlay))
	605	zd(ig,nlay)=zb(ig,nlay)*z1(ig)
	606
	607	DO ilay=nlay-1,1,-1
	608	z1(ig)=1./(za(ig,ilay)+zb(ig,ilay)+
	609	$ zb(ig,ilay+1)*(1.-zd(ig,ilay+1)))
	610	zd(ig,ilay)=zb(ig,ilay)*z1(ig)
	611	ENDDO
	612
	613	! Convergence loop
	614
	615	DO j=1,llnt(ig)
	616
	617	z1(ig)=1./(za(ig,nlay)+zb(ig,nlay))
	618	zc(ig,nlay)=za(ig,nlay)*zh(ig,nlay)
	619	& -betam(ig,nlay)*dmice(ig,nlay)
	620	zc(ig,nlay)=zc(ig,nlay)*z1(ig)
	621	! zd(ig,nlay)=zb(ig,nlay)*z1(ig)
	622
	623	! calcul de zc et zd pour les couches du haut vers le bas
	624
	625	DO ilay=nlay-1,1,-1
	626	z1(ig)=1./(za(ig,ilay)+zb(ig,ilay)+
	627	$ zb(ig,ilay+1)*(1.-zd(ig,ilay+1)))
	628	zc(ig,ilay)=(za(ig,ilay)*zh(ig,ilay)+
	629	$ zb(ig,ilay+1)*zc(ig,ilay+1)-
	630	$ betam(ig,ilay)dmice(ig,ilay))z1(ig)
	631	! zd(ig,ilay)=zb(ig,ilay)*z1(ig)
	632	ENDDO
	633
[38]	634	c ** calcul de la temperature_d'interface et de sa tendance.
	635	c on ecrit que la somme des flux est nulle a l'interface
	636	c a t + \delta t,
	637	c c'est a dire le flux radiatif a {t + \delta t}
	638	c + le flux turbulent a {t + \delta t}
	639	c qui s'ecrit K (T1-Tsurf) avec T1 = d1 Tsurf + c1
	640	c (notation K dt = /cpp*b/)
	641	c + le flux dans le sol a t
	642	c + l'evolution du flux dans le sol lorsque la temperature d'interface
	643	c passe de sa valeur a t a sa valeur a {t + \delta t}.
	644	c ----------------------------------------------------
	645
	646	z1(ig)=pcapcal(ig)ptsrf(ig)+cppzb(ig,1)*zc(ig,1)
	647	s +zdplanck(ig)ptsrf(ig)+ pfluxsrf(ig)ptimestep
	648	z2(ig)= pcapcal(ig)+cppzb(ig,1)(1.-zd(ig,1))+zdplanck(ig)
	649	ztsrf2(ig)=z1(ig)/z2(ig)
[473]	650	! pdtsrf(ig)=(ztsrf2(ig)-ptsrf(ig))/ptimestep !incremented outside loop
	651	zhs(ig,1)=zc(ig,1)+zd(ig,1)*ztsrf2(ig)
[38]	652
	653	c ** et a partir de la temperature au sol on remonte
	654	c -----------------------------------------------
	655
[473]	656	DO ilay=2,nlay
	657	zhs(ig,ilay)=zc(ig,ilay)+zd(ig,ilay)*zhs(ig,ilay-1)
	658	ENDDO
	659	DO ilay=1,nlay
	660	zt(ig,ilay)=zhs(ig,ilay)*ppopsk(ig,ilay)
	661	ENDDO
	662
	663	c Condensation/sublimation in the atmosphere
	664	c ------------------------------------------
	665	c (computation of zcondicea and dmice)
	666
[1996]	667	IF (.NOT. co2clouds) then
	668	DO l=nlay , 1, -1
[473]	669	IF(zt(ig,l).LT.ztcond(ig,l)) THEN
	670	pdtc(ig,l)=(ztcond(ig,l) - zt(ig,l))/ptimestep
	671	zcondicea(ig,l)=(pplev(ig,l)-pplev(ig,l+1))
	672	& ccondpdtc(ig,l)
	673	dmice(ig,l)= dmice(ig,l) + zcondicea(ig,l)*ptimestep
	674	END IF
[1996]	675	ENDDO
	676	ELSE
	677	DO l=nlay , 1, -1
	678	zcondicea(ig,l)= 0.!pcondicea_co2microp(ig,l)*
	679	c & (pplev(ig,l) - pplev(ig,l+1))/g
	680	dmice(ig,l)= 0.!dmice(ig,l) + zcondicea(ig,l)*ptimestep
	681	pdtc(ig,l)=0.
	682	ENDDO
	683	ENDIF
	684
	685	ENDDO!of Do j=1,XXX
[38]	686
[1996]	687	ENDDO !of Do ig=1,ngrid
[38]	688
[473]	689	pdtsrf(:)=(ztsrf2(:)-ptsrf(:))/ptimestep
[669]	690
[660]	691	DO ig=1,ngrid ! computing sensible heat flux (atm => surface)
	692	sensibFlux(ig)=cppzb(ig,1)/ptimestep(zhs(ig,1)-ztsrf2(ig))
	693	ENDDO
[473]	694
[38]	695	c-----------------------------------------------------------------------
	696	c TRACERS
	697	c -------
	698
	699	c Using the wind modified by friction for lifting and sublimation
	700	c ----------------------------------------------------------------
	701
[529]	702	! This is computed above and takes into account surface-atmosphere flux
	703	! enhancement by subgrid gustiness and atmospheric-stability related
	704	! variations of transfer coefficients.
	705
	706	! DO ig=1,ngrid
	707	! zu2(ig)=zu(ig,1)zu(ig,1)+zv(ig,1)zv(ig,1)
	708	! zcdv(ig)=zcdv_true(ig)*sqrt(zu2(ig))
	709	! zcdh(ig)=zcdh_true(ig)*sqrt(zu2(ig))
	710	! ENDDO
	711
[38]	712	c Calcul du flux vertical au bas de la premiere couche (dust) :
	713	c -----------------------------------------------------------
[1047]	714	do ig=1,ngrid
[38]	715	rho(ig) = zb0(ig,1) /ptimestep
	716	c zb(ig,1) = 0.
	717	end do
	718	c Dust lifting:
	719	if (lifting) then
[310]	720	#ifndef MESOSCALE
[38]	721	if (doubleq.AND.submicron) then
	722	do ig=1,ngrid
	723	c if(co2ice(ig).lt.1) then
	724	pdqsdif(ig,igcm_dust_mass) =
	725	& -alpha_lift(igcm_dust_mass)
	726	pdqsdif(ig,igcm_dust_number) =
	727	& -alpha_lift(igcm_dust_number)
	728	pdqsdif(ig,igcm_dust_submicron) =
	729	& -alpha_lift(igcm_dust_submicron)
	730	c end if
	731	end do
	732	else if (doubleq) then
[1974]	733	if (dustinjection.eq.0) then !injection scheme 0 (old)
	734	!or 2 (injection in CL)
	735	do ig=1,ngrid
[1455]	736	if(co2ice(ig).lt.1) then ! pas de soulevement si glace CO2
[38]	737	pdqsdif(ig,igcm_dust_mass) =
	738	& -alpha_lift(igcm_dust_mass)
	739	pdqsdif(ig,igcm_dust_number) =
[520]	740	& -alpha_lift(igcm_dust_number)
	741	end if
[1974]	742	end do
	743	elseif(dustinjection.eq.1)then ! dust injection scheme = 1 injection from surface
	744	do ig=1,ngrid
	745	if(co2ice(ig).lt.1) then ! pas de soulevement si glace CO2
[2160]	746	IF((ti_injection_sol.LE.local_time(ig)).and.
	747	& (local_time(ig).LE.tf_injection_sol)) THEN
[1974]	748	if (rdstorm) then !Rocket dust storm scheme
	749	pdqsdif(ig,igcm_stormdust_mass) =
	750	& -alpha_lift(igcm_stormdust_mass)
	751	& *dustliftday(ig)
	752	pdqsdif(ig,igcm_stormdust_number) =
	753	& -alpha_lift(igcm_stormdust_number)
	754	& *dustliftday(ig)
	755	pdqsdif(ig,igcm_dust_mass)= 0.
	756	pdqsdif(ig,igcm_dust_number)= 0.
	757	else
	758	pdqsdif(ig,igcm_dust_mass)=
	759	& -dustliftday(ig)*
	760	& alpha_lift(igcm_dust_mass)
	761	pdqsdif(ig,igcm_dust_number)=
	762	& -dustliftday(ig)*
	763	& alpha_lift(igcm_dust_number)
	764	endif
	765	if (submicron) then
	766	pdqsdif(ig,igcm_dust_submicron) = 0.
	767	endif ! if (submicron)
	768	ELSE ! outside dust injection time frame
[2080]	769	pdqsdif(ig,igcm_dust_mass)= 0.
	770	pdqsdif(ig,igcm_dust_number)= 0.
	771	if (rdstorm) then
[1974]	772	pdqsdif(ig,igcm_stormdust_mass)= 0.
	773	pdqsdif(ig,igcm_stormdust_number)= 0.
[2080]	774	end if
[1974]	775	ENDIF
	776
	777	end if ! of if(co2ice(ig).lt.1)
	778	end do
	779	endif ! end if dustinjection
[38]	780	else if (submicron) then
	781	do ig=1,ngrid
	782	pdqsdif(ig,igcm_dust_submicron) =
	783	& -alpha_lift(igcm_dust_submicron)
	784	end do
	785	else
[1236]	786	#endif
[38]	787	call dustlift(ngrid,nlay,nq,rho,zcdh_true,zcdh,co2ice,
	788	& pdqsdif)
[1236]	789	#ifndef MESOSCALE
[38]	790	endif !doubleq.AND.submicron
[310]	791	#endif
[38]	792	else
	793	pdqsdif(1:ngrid,1:nq) = 0.
	794	end if
	795
	796	c OU calcul de la valeur de q a la surface (water) :
	797	c ----------------------------------------
	798
	799	c Inversion pour l'implicite sur q
[2515]	800	c Cas des traceurs qui ne sont pas h2o_vap
	801	c h2o_vap est traite plus loin avec un sous pas de temps
	802	c hdo_vap est traite ensuite car dependant de h2o_vap
[38]	803	c --------------------------------
[2515]	804
	805	do iq=1,nq !for all tracers except water vapor
	806	if ((.not. water).or.(.not. iq.eq.igcm_h2o_vap).or.
	807	& (.not. iq.eq.igcm_hdo_vap)) then
	808
	809
[2274]	810	zb(1:ngrid,2:nlay)=zkh(1:ngrid,2:nlay)*zb0(1:ngrid,2:nlay)
[2515]	811	zb(1:ngrid,1)=0
[38]	812
[2515]	813	DO ig=1,ngrid
	814	z1(ig)=1./(za(ig,nlay)+zb(ig,nlay))
	815	zc(ig,nlay)=za(ig,nlay)zq(ig,nlay,iq)z1(ig)
	816	zd(ig,nlay)=zb(ig,nlay)*z1(ig)
	817	ENDDO
	818
	819	DO ilay=nlay-1,2,-1
	820	DO ig=1,ngrid
	821	z1(ig)=1./(za(ig,ilay)+zb(ig,ilay)+
	822	$ zb(ig,ilay+1)*(1.-zd(ig,ilay+1)))
	823	zc(ig,ilay)=(za(ig,ilay)*zq(ig,ilay,iq)+
	824	$ zb(ig,ilay+1)zc(ig,ilay+1))z1(ig)
	825	zd(ig,ilay)=zb(ig,ilay)*z1(ig)
	826	ENDDO
	827	ENDDO
	828
	829	if ((iq.eq.igcm_h2o_ice)
	830	$ .or. (hdo.and.(iq.eq.igcm_hdo_ice) )) then
	831
	832	DO ig=1,ngrid
	833	z1(ig)=1./(za(ig,1)+zb(ig,1)+
	834	$ zb(ig,2)*(1.-zd(ig,2)))
	835	zc(ig,1)=(za(ig,1)*zq(ig,1,iq)+
	836	$ zb(ig,2)zc(ig,2)) z1(ig) !special case h2o_ice
	837	ENDDO
	838	else ! every other tracer
	839	DO ig=1,ngrid
	840	z1(ig)=1./(za(ig,1)+zb(ig,1)+
	841	$ zb(ig,2)*(1.-zd(ig,2)))
	842	zc(ig,1)=(za(ig,1)*zq(ig,1,iq)+
	843	$ zb(ig,2)*zc(ig,2) +
	844	$ (-pdqsdif(ig,iq)) ptimestep) z1(ig) !tracer flux from surface
	845	ENDDO
	846	endif !((iq.eq.igcm_h2o_ice)
	847	c Starting upward calculations for simple mixing of tracer (dust)
	848	DO ig=1,ngrid
	849	zq(ig,1,iq)=zc(ig,1)
	850	DO ilay=2,nlay
	851	zq(ig,ilay,iq)=zc(ig,ilay)+zd(ig,ilay)*zq(ig,ilay-1,iq)
	852	ENDDO
	853	ENDDO
	854	endif! ((.not. water).or.(.not. iq.eq.igcm_h2o_vap)) then
	855	enddo ! of do iq=1,nq
	856
	857	c --------- h2o_vap --------------------------------
	858
	859
	860	c Traitement de la vapeur d'eau h2o_vap
	861	c Utilisation d'un sous pas de temps afin
	862	c de decrire le flux de chaleur latente
	863
	864
	865	do iq=1,nq
[2312]	866	if ((water).and.(iq.eq.igcm_h2o_vap)) then
[2515]	867
	868
	869	DO ig=1,ngrid
	870	zqsurf(ig)=pqsurf(ig,igcm_h2o_ice)
	871	ENDDO ! ig=1,ngrid
	872
	873	c make_tsub : sous pas de temps adaptatif
	874	c la subroutine est a la fin du fichier
	875
	876	call make_tsub(ngrid,pdtsrf,zqsurf,
	877	& ptimestep,dtmax,watercaptag,
	878	& nsubtimestep)
	879
	880	c Calculation for turbulent exchange with the surface (for ice)
	881	c initialization of ztsrf, which is surface temperature in
	882	c the subtimestep.
	883	DO ig=1,ngrid
	884	subtimestep = ptimestep/nsubtimestep(ig)
	885	ztsrf(ig)=ptsrf(ig) ! +pdtsrf(ig)*subtimestep
	886
	887	c Debut du sous pas de temps
	888
	889	DO tsub=1,nsubtimestep(ig)
	890
	891	c C'est parti !
	892
	893	zb(1:ngrid,2:nlay)=zkh(1:ngrid,2:nlay)*zb0(1:ngrid,2:nlay)
	894	& /float(nsubtimestep(ig))
[2274]	895	zb(1:ngrid,1)=zcdv(1:ngrid)*zb0(1:ngrid,1)
[2515]	896	& /float(nsubtimestep(ig))
[2274]	897	zb(1:ngrid,1)=dryness(1:ngrid)*zb(1:ngrid,1)
[2515]	898
	899	z1(ig)=1./(za(ig,nlay)+zb(ig,nlay))
	900	zc(ig,nlay)=za(ig,nlay)zq(ig,nlay,iq)z1(ig)
	901	zd(ig,nlay)=zb(ig,nlay)*z1(ig)
	902	DO ilay=nlay-1,2,-1
	903	z1(ig)=1./(za(ig,ilay)+zb(ig,ilay)+
	904	$ zb(ig,ilay+1)*(1.-zd(ig,ilay+1)))
	905	zc(ig,ilay)=(za(ig,ilay)*zq(ig,ilay,iq)+
	906	$ zb(ig,ilay+1)zc(ig,ilay+1))z1(ig)
	907	zd(ig,ilay)=zb(ig,ilay)*z1(ig)
	908	ENDDO
	909	z1(ig)=1./(za(ig,1)+zb(ig,1)+
	910	$ zb(ig,2)*(1.-zd(ig,2)))
	911	zc(ig,1)=(za(ig,1)*zq(ig,1,iq)+
	912	$ zb(ig,2)zc(ig,2)) z1(ig)
[38]	913
[2531]	914	call watersat(1,ztsrf(ig),pplev(ig,1),qsat(ig))
[2515]	915	old_h2o_vap(ig)=zq(ig,1,igcm_h2o_vap)
	916	zd(ig,1)=zb(ig,1)*z1(ig)
	917	zq1temp(ig)=zc(ig,1)+ zd(ig,1)*qsat(ig)
	918
	919	zdqsdif(ig)=rho(ig)dryness(ig)zcdv(ig)
	920	& *(zq1temp(ig)-qsat(ig))
[2587]	921	c write(,)'subliming more than available frost: qsurf!'
	922	if(.not.watercaptag(ig)) then
	923	if ((-zdqsdif(ig)*subtimestep)
[2515]	924	& .gt.(zqsurf(ig))) then
[2587]	925	c pdqsdif > 0 : ice condensing
	926	c pdqsdif < 0 : ice subliming
	927	c write(,) "subliming more than available frost: qsurf!"
[2515]	928	zdqsdif(ig)=
	929	& -zqsurf(ig)/subtimestep
	930	c write(,)'flux vers le sol=',pdqsdif(ig,nq)
	931	z1(ig)=1./(za(ig,1)+ zb(ig,2)*(1.-zd(ig,2)))
	932	zc(ig,1)=(za(ig,1)*zq(ig,1,igcm_h2o_vap)+
[2587]	933	$ zb(ig,2)*zc(ig,2) +
	934	$ (-zdqsdif(ig)) subtimestep) z1(ig)
[2515]	935	zq1temp(ig)=zc(ig,1)
	936	endif !if .not.watercaptag(ig)
	937	endif ! if sublim more than surface
	938
	939	c Starting upward calculations for water :
	940	c Actualisation de h2o_vap dans le premier niveau
	941	zq(ig,1,igcm_h2o_vap)=zq1temp(ig)
[2587]	942
	943	c Take into account the H2O latent heat impact on the surface temperature
[2515]	944	if (latentheat_surfwater) then
	945	lh=(2834.3-0.28*(ztsrf(ig)-To)-
	946	& 0.004(ztsrf(ig)-To)(ztsrf(ig)-To))*1.e+3
[2587]	947	zdtsrf(ig)= zdqsdif(ig)*lh /pcapcal(ig)
[2515]	948	endif ! (latentheat_surfwater) then
	949
[2587]	950	DO ilay=2,nlay
	951	zq(ig,ilay,iq)=zc(ig,ilay)+zd(ig,ilay)*zq(ig,ilay-1,iq)
	952	ENDDO
[2515]	953
	954	c Subtimestep water budget :
	955
	956	ztsrf(ig) = ztsrf(ig)+(pdtsrf(ig) + zdtsrf(ig))
	957	& *subtimestep
	958	zqsurf(ig)= zqsurf(ig)+(
	959	& zdqsdif(ig))*subtimestep
	960
	961
	962	c We ensure that surface temperature can't rise above the solid domain if there
	963	c is still ice on the surface (oldschool)
	964	if(zqsurf(ig)
	965	& +zdqsdif(ig)*subtimestep
	966	& .gt.frost_albedo_threshold) ! if there is still ice, T cannot exceed To
	967	& zdtsrf(ig) = min(zdtsrf(ig),(To-ztsrf(ig))/subtimestep) ! ice melt case
	968
	969
[2587]	970
[2515]	971	c Fin du sous pas de temps
	972	ENDDO ! tsub=1,nsubtimestep
	973
[2587]	974	c Integration of subtimestep temp and water budget :
	975	c (btw could also compute the post timestep temp and ice
	976	c by simply adding the subtimestep trend instead of this)
[2515]	977	pdtsrf(ig)= (ztsrf(ig) -
	978	& ptsrf(ig))/ptimestep
	979	pdqsdif(ig,igcm_h2o_ice)=
	980	& (zqsurf(ig)- pqsurf(ig,igcm_h2o_ice))/ptimestep
	981
[2587]	982	c if subliming more than qsurf(ice) and on watercaptag, water
	983	c sublimates from watercap reservoir (dwatercap_dif is <0)
	984	if(watercaptag(ig)) then
	985	if ((-pdqsdif(ig,igcm_h2o_ice)*ptimestep)
	986	& .gt.(pqsurf(ig,igcm_h2o_ice))) then
	987	dwatercap_dif(ig)=pdqsdif(ig,igcm_h2o_ice)+
	988	& pqsurf(ig,igcm_h2o_ice)/ptimestep
	989	pdqsdif(ig,igcm_h2o_ice)=
	990	& - pqsurf(ig,igcm_h2o_ice)/ptimestep
	991	endif! ((-pdqsdif(ig)*ptimestep)
	992	endif !(watercaptag(ig)) then
	993
[2515]	994	ENDDO ! of DO ig=1,ngrid
	995	END IF ! of IF ((water).and.(iq.eq.igcm_h2o_vap))
	996
	997	c --------- end of h2o_vap ----------------------------
	998
	999	c --------- hdo_vap -----------------------------------
	1000
	1001	c hdo_ice has already been with along h2o_ice
	1002	c amongst "normal" tracers (ie not h2o_vap)
	1003
	1004	if (hdo.and.(iq.eq.igcm_hdo_vap)) then
	1005	zb(1:ngrid,2:nlay)=zkh(1:ngrid,2:nlay)*zb0(1:ngrid,2:nlay)
	1006	zb(1:ngrid,1)=0
	1007
[38]	1008	DO ig=1,ngrid
	1009	z1(ig)=1./(za(ig,nlay)+zb(ig,nlay))
	1010	zc(ig,nlay)=za(ig,nlay)zq(ig,nlay,iq)z1(ig)
	1011	zd(ig,nlay)=zb(ig,nlay)*z1(ig)
	1012	ENDDO
[2515]	1013
[38]	1014	DO ilay=nlay-1,2,-1
	1015	DO ig=1,ngrid
	1016	z1(ig)=1./(za(ig,ilay)+zb(ig,ilay)+
	1017	$ zb(ig,ilay+1)*(1.-zd(ig,ilay+1)))
	1018	zc(ig,ilay)=(za(ig,ilay)*zq(ig,ilay,iq)+
	1019	$ zb(ig,ilay+1)zc(ig,ilay+1))z1(ig)
	1020	zd(ig,ilay)=zb(ig,ilay)*z1(ig)
	1021	ENDDO
	1022	ENDDO
	1023
[2312]	1024	CALL hdo_surfex(ngrid,nlay,nq,ptimestep,
[2593]	1025	& zt,pplay,zq,pqsurf,
	1026	& old_h2o_vap,qsat,pdqsdif,dwatercap_dif,
[2312]	1027	& hdoflux)
	1028	DO ig=1,ngrid
	1029	z1(ig)=1./(za(ig,1)+zb(ig,1)+
	1030	$ zb(ig,2)*(1.-zd(ig,2)))
	1031	zc(ig,1)=(za(ig,1)*zq(ig,1,iq)+
	1032	$ zb(ig,2)*zc(ig,2) +
	1033	$ (-hdoflux(ig)) ptimestep) z1(ig) !tracer flux from surface
	1034	ENDDO
	1035
[38]	1036	DO ig=1,ngrid
[2515]	1037	zq(ig,1,iq)=zc(ig,1)
	1038	DO ilay=2,nlay
	1039	zq(ig,ilay,iq)=zc(ig,ilay)+zd(ig,ilay)*zq(ig,ilay-1,iq)
	1040	ENDDO
[38]	1041	ENDDO
[2515]	1042	endif ! (hdo.and.(iq.eq.igcm_hdo_vap))
[2312]	1043
[2515]	1044	c --------- end of hdo ----------------------------
[38]	1045
[2515]	1046	enddo ! of do iq=1,nq
[38]	1047
[2515]	1048	c --------- end of tracers ----------------------------
[2312]	1049
[2260]	1050
[2312]	1051	C Diagnostic output for HDO
	1052	if (hdo) then
	1053	CALL WRITEDIAGFI(ngrid,'hdoflux',
	1054	& 'hdoflux',
	1055	& ' ',2,hdoflux)
	1056	CALL WRITEDIAGFI(ngrid,'h2oflux',
	1057	& 'h2oflux',
	1058	& ' ',2,h2oflux)
	1059	endif
	1060
[38]	1061	c-----------------------------------------------------------------------
	1062	c 8. calcul final des tendances de la diffusion verticale
	1063	c ----------------------------------------------------
	1064
	1065	DO ilev = 1, nlay
	1066	DO ig=1,ngrid
	1067	pdudif(ig,ilev)=( zu(ig,ilev)-
	1068	$ (pu(ig,ilev)+pdufi(ig,ilev)*ptimestep) )/ptimestep
	1069	pdvdif(ig,ilev)=( zv(ig,ilev)-
	1070	$ (pv(ig,ilev)+pdvfi(ig,ilev)*ptimestep) )/ptimestep
[473]	1071	hh = ph(ig,ilev)+pdhfi(ig,ilev)*ptimestep
	1072	$ + (latcond*dmice(ig,ilev)/cpp)/ppopsk(ig,ilev)
	1073	pdhdif(ig,ilev)=( zhs(ig,ilev)- hh )/ptimestep
[38]	1074	ENDDO
	1075	ENDDO
	1076
[2823]	1077	pdqdif(1:ngrid,1:nlay,1:nq)=(zq(1:ngrid,1:nlay,1:nq)-
	1078	& (pq(1:ngrid,1:nlay,1:nq)
	1079	& +pdqfi(1:ngrid,1:nlay,1:nq)
	1080	& *ptimestep))/ptimestep
[38]	1081
	1082	c ** diagnostique final
	1083	c ------------------
	1084
	1085	IF(lecrit) THEN
	1086	PRINT*,'In vdif'
	1087	PRINT*,'Ts (t) and Ts (t+st)'
	1088	WRITE(*,'(a10,3a15)')
	1089	s 'theta(t)','theta(t+dt)','u(t)','u(t+dt)'
	1090	PRINT*,ptsrf(ngrid/2+1),ztsrf2(ngrid/2+1)
	1091	DO ilev=1,nlay
	1092	WRITE(*,'(4f15.7)')
[473]	1093	s ph(ngrid/2+1,ilev),zhs(ngrid/2+1,ilev),
[38]	1094	s pu(ngrid/2+1,ilev),zu(ngrid/2+1,ilev)
	1095
	1096	ENDDO
	1097	ENDIF
	1098
[1036]	1099	END SUBROUTINE vdifc
[1969]	1100
[2312]	1101	c====================================
	1102
[2515]	1103	SUBROUTINE make_tsub(naersize,dtsurf,qsurf,ptimestep,
	1104	$ dtmax,watercaptag,ntsub)
[2312]	1105
[2515]	1106	c Pas de temps adaptatif en estimant le taux de sublimation
	1107	c et en adaptant avec un critere "dtmax" du chauffage a accomoder
	1108	c dtmax est regle empiriquement (pour l'instant) a 0.5 K
	1109
	1110	integer,intent(in) :: naersize
	1111	real,intent(in) :: dtsurf(naersize)
	1112	real,intent(in) :: qsurf(naersize)
	1113	logical,intent(in) :: watercaptag(naersize)
	1114	real,intent(in) :: ptimestep
	1115	real,intent(in) :: dtmax
	1116	real :: ztsub(naersize)
	1117	integer :: i
	1118	integer,intent(out) :: ntsub(naersize)
	1119
	1120	do i=1,naersize
	1121	if ((qsurf(i).eq.0).and.
	1122	& (.not.watercaptag(i))) then
	1123	ntsub(i) = 1
	1124	else
	1125	ztsub(i) = ptimestep * dtsurf(i) / dtmax
	1126	ntsub(i) = ceiling(abs(ztsub(i)))
	1127	endif ! (qsurf(i).eq.0) then
	1128	c
	1129	c write(78,), dtsurfptimestep, dtsurf, ntsub
	1130	enddo! 1=1,ngrid
	1131
	1132
	1133
	1134	END SUBROUTINE make_tsub
[1969]	1135	END MODULE vdifc_mod

Note: See TracBrowser for help on using the repository browser.

Download in other formats:

Original Format