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lmdz_lscp.F90 @ 5451

Last change on this file since 5451 was 4727, checked in by idelkadi, 15 months ago
Merged trunk changes -r4488:4726 LMDZ_ECRad branch
File size: 55.8 KB

Rev	Line
[4664]	1	MODULE lmdz_lscp
[3999]	2
	3	IMPLICIT NONE
	4
	5	CONTAINS
	6
	7	!++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
[4380]	8	SUBROUTINE lscp(klon,klev,dtime,missing_val, &
[4686]	9	paprs,pplay,temp,qt,ptconv,ratqs, &
[4380]	10	d_t, d_q, d_ql, d_qi, rneb, rneblsvol, rneb_seri, &
[4530]	11	pfraclr,pfracld, &
	12	radocond, radicefrac, rain, snow, &
[3999]	13	frac_impa, frac_nucl, beta, &
	14	prfl, psfl, rhcl, zqta, fraca, &
	15	ztv, zpspsk, ztla, zthl, iflag_cld_th, &
[4380]	16	iflag_ice_thermo, ok_ice_sursat, qsatl, qsats, &
[4639]	17	distcltop,temp_cltop, &
[4380]	18	qclr, qcld, qss, qvc, rnebclr, rnebss, gamma_ss, &
[4651]	19	Tcontr, qcontr, qcontr2, fcontrN, fcontrP, &
	20	cloudth_sth,cloudth_senv,cloudth_sigmath,cloudth_sigmaenv)
[3999]	21
	22	!++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
	23	! Authors: Z.X. Li (LMD), J-L Dufresne (LMD), C. Rio (LMD), J-Y Grandpeix (LMD)
	24	! A. JAM (LMD), J-B Madeleine (LMD), E. Vignon (LMD), L. Touzze-Peiffert (LMD)
	25	!--------------------------------------------------------------------------------
	26	! Date: 01/2021
	27	!--------------------------------------------------------------------------------
	28	! Aim: Large Scale Clouds and Precipitation (LSCP)
[4226]	29	!
[3999]	30	! This code is a new version of the fisrtilp.F90 routine, which is itself a
[4072]	31	! merge of 'first' (superrsaturation physics, P. LeVan K. Laval)
[3999]	32	! and 'ilp' (il pleut, L. Li)
	33	!
[4380]	34	! Compared to the original fisrtilp code, lscp
[3999]	35	! -> assumes thermcep = .TRUE. all the time (fisrtilp inconsistent when .FALSE.)
	36	! -> consider always precipitation thermalisation (fl_cor_ebil>0)
	37	! -> option iflag_fisrtilp_qsat<0 no longer possible (qsat does not evolve with T)
	38	! -> option "oldbug" by JYG has been removed
	39	! -> iflag_t_glace >0 always
	40	! -> the 'all or nothing' cloud approach is no longer available (cpartiel=T always)
	41	! -> rectangular distribution from L. Li no longer available
	42	! -> We always account for the Wegener-Findeisen-Bergeron process (iflag_bergeron = 2 in fisrt)
	43	!--------------------------------------------------------------------------------
	44	! References:
	45	!
[4412]	46	! - Bony, S., & Emanuel, K. A. 2001, JAS, doi: 10.1175/1520-0469(2001)058<3158:APOTCA>2.0.CO;2
[3999]	47	! - Hourdin et al. 2013, Clim Dyn, doi:10.1007/s00382-012-1343-y
	48	! - Jam et al. 2013, Boundary-Layer Meteorol, doi:10.1007/s10546-012-9789-3
[4412]	49	! - Jouhaud, et al. 2018. JAMES, doi:10.1029/2018MS001379
[3999]	50	! - Madeleine et al. 2020, JAMES, doi:10.1029/2020MS002046
[4412]	51	! - Touzze-Peifert Ludo, PhD thesis, p117-124
[3999]	52	! -------------------------------------------------------------------------------
	53	! Code structure:
	54	!
[4226]	55	! P0> Thermalization of the precipitation coming from the overlying layer
[3999]	56	! P1> Evaporation of the precipitation (falling from the k+1 level)
	57	! P2> Cloud formation (at the k level)
[4412]	58	! P2.A.1> With the PDFs, calculation of cloud properties using the inital
[3999]	59	! values of T and Q
	60	! P2.A.2> Coupling between condensed water and temperature
	61	! P2.A.3> Calculation of final quantities associated with cloud formation
[4412]	62	! P2.B> Release of Latent heat after cloud formation
[3999]	63	! P3> Autoconversion to precipitation (k-level)
	64	! P4> Wet scavenging
	65	!------------------------------------------------------------------------------
	66	! Some preliminary comments (JBM) :
	67	!
	68	! The cloud water that the radiation scheme sees is not the same that the cloud
	69	! water used in the physics and the dynamics
	70	!
[4412]	71	! During the autoconversion to precipitation (P3 step), radocond (cloud water used
[3999]	72	! by the radiation scheme) is calculated as an average of the water that remains
	73	! in the cloud during the precipitation and not the water remaining at the end
	74	! of the time step. The latter is used in the rest of the physics and advected
	75	! by the dynamics.
	76	!
	77	! In summary:
	78	!
	79	! Radiation:
	80	! xflwc(newmicro)+xfiwc(newmicro) =
[4412]	81	! radocond=lwcon(nc)+iwcon(nc)
[3999]	82	!
	83	! Notetheless, be aware of:
	84	!
[4412]	85	! radocond .NE. ocond(nc)
[3999]	86	! i.e.:
	87	! lwcon(nc)+iwcon(nc) .NE. ocond(nc)
[4412]	88	! but oliq+(ocond-oliq) .EQ. ocond
[3999]	89	! (which is not trivial)
	90	!++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
[4226]	91	!
[4654]	92
	93	! USE de modules contenant des fonctions.
[4651]	94	USE lmdz_cloudth, ONLY : cloudth, cloudth_v3, cloudth_v6, cloudth_mpc
[4664]	95	USE lmdz_lscp_tools, ONLY : calc_qsat_ecmwf, icefrac_lscp, calc_gammasat
	96	USE lmdz_lscp_tools, ONLY : fallice_velocity, distance_to_cloud_top
[4380]	97	USE ice_sursat_mod, ONLY : ice_sursat
[3999]	98
[4664]	99	! Use du module lmdz_lscp_ini contenant les constantes
[4666]	100	USE lmdz_lscp_ini, ONLY : prt_level, lunout
[4664]	101	USE lmdz_lscp_ini, ONLY : seuil_neb, niter_lscp, iflag_evap_prec, t_coup, DDT0, ztfondue, rain_int_min
	102	USE lmdz_lscp_ini, ONLY : iflag_mpc_bl, ok_radocond_snow, a_tr_sca, cld_expo_con, cld_expo_lsc
	103	USE lmdz_lscp_ini, ONLY : iflag_cloudth_vert, iflag_rain_incloud_vol, iflag_t_glace, t_glace_min
	104	USE lmdz_lscp_ini, ONLY : coef_eva, coef_eva_i,cld_tau_lsc, cld_tau_con, cld_lc_lsc, cld_lc_con
	105	USE lmdz_lscp_ini, ONLY : iflag_bergeron, iflag_fisrtilp_qsat, iflag_vice, cice_velo, dice_velo
	106	USE lmdz_lscp_ini, ONLY : iflag_autoconversion, ffallv_con, ffallv_lsc
	107	USE lmdz_lscp_ini, ONLY : RCPD, RLSTT, RLVTT, RLMLT, RVTMP2, RTT, RD, RG
[4380]	108
[3999]	109	IMPLICIT NONE
	110
	111	!===============================================================================
[4380]	112	! VARIABLES DECLARATION
[3999]	113	!===============================================================================
	114
	115	! INPUT VARIABLES:
	116	!-----------------
	117
[4380]	118	INTEGER, INTENT(IN) :: klon,klev ! number of horizontal grid points and vertical levels
[3999]	119	REAL, INTENT(IN) :: dtime ! time step [s]
[4380]	120	REAL, INTENT(IN) :: missing_val ! missing value for output
[4059]	121
[3999]	122	REAL, DIMENSION(klon,klev+1), INTENT(IN) :: paprs ! inter-layer pressure [Pa]
	123	REAL, DIMENSION(klon,klev), INTENT(IN) :: pplay ! mid-layer pressure [Pa]
[4654]	124	REAL, DIMENSION(klon,klev), INTENT(IN) :: temp ! temperature (K)
[4686]	125	REAL, DIMENSION(klon,klev), INTENT(IN) :: qt ! total specific humidity (in vapor phase in input) [kg/kg]
[3999]	126	INTEGER, INTENT(IN) :: iflag_cld_th ! flag that determines the distribution of convective clouds
	127	INTEGER, INTENT(IN) :: iflag_ice_thermo! flag to activate the ice thermodynamics
[4226]	128	! CR: if iflag_ice_thermo=2, only convection is active
[4072]	129	LOGICAL, INTENT(IN) :: ok_ice_sursat ! flag to determine if ice sursaturation is activated
[4059]	130
[3999]	131	LOGICAL, DIMENSION(klon,klev), INTENT(IN) :: ptconv ! grid points where deep convection scheme is active
	132
	133	!Inputs associated with thermal plumes
[4226]	134
[3999]	135	REAL, DIMENSION(klon,klev), INTENT(IN) :: ztv ! virtual potential temperature [K]
	136	REAL, DIMENSION(klon,klev), INTENT(IN) :: zqta ! specific humidity within thermals [kg/kg]
	137	REAL, DIMENSION(klon,klev), INTENT(IN) :: fraca ! fraction of thermals within the mesh [-]
	138	REAL, DIMENSION(klon,klev), INTENT(IN) :: zpspsk ! exner potential (p/100000)**(R/cp)
	139	REAL, DIMENSION(klon,klev), INTENT(IN) :: ztla ! liquid temperature within thermals [K]
	140
	141	! INPUT/OUTPUT variables
	142	!------------------------
[4562]	143
	144	REAL, DIMENSION(klon,klev), INTENT(INOUT) :: zthl ! liquid potential temperature [K]
[4686]	145	REAL, DIMENSION(klon,klev), INTENT(INOUT) :: ratqs ! function of pressure that sets the large-scale
[4059]	146
[4380]	147
[4059]	148	! Input sursaturation en glace
	149	REAL, DIMENSION(klon,klev), INTENT(INOUT):: rneb_seri ! fraction nuageuse en memoire
[3999]	150
	151	! OUTPUT variables
	152	!-----------------
	153
	154	REAL, DIMENSION(klon,klev), INTENT(OUT) :: d_t ! temperature increment [K]
	155	REAL, DIMENSION(klon,klev), INTENT(OUT) :: d_q ! specific humidity increment [kg/kg]
	156	REAL, DIMENSION(klon,klev), INTENT(OUT) :: d_ql ! liquid water increment [kg/kg]
	157	REAL, DIMENSION(klon,klev), INTENT(OUT) :: d_qi ! cloud ice mass increment [kg/kg]
	158	REAL, DIMENSION(klon,klev), INTENT(OUT) :: rneb ! cloud fraction [-]
[4380]	159	REAL, DIMENSION(klon,klev), INTENT(OUT) :: rneblsvol ! cloud fraction per unit volume [-]
[4530]	160	REAL, DIMENSION(klon,klev), INTENT(OUT) :: pfraclr ! precip fraction clear-sky part [-]
	161	REAL, DIMENSION(klon,klev), INTENT(OUT) :: pfracld ! precip fraction cloudy part [-]
[4412]	162	REAL, DIMENSION(klon,klev), INTENT(OUT) :: radocond ! condensed water used in the radiation scheme [kg/kg]
[3999]	163	REAL, DIMENSION(klon,klev), INTENT(OUT) :: radicefrac ! ice fraction of condensed water for radiation scheme
	164	REAL, DIMENSION(klon,klev), INTENT(OUT) :: rhcl ! clear-sky relative humidity [-]
[4412]	165	REAL, DIMENSION(klon), INTENT(OUT) :: rain ! surface large-scale rainfall [kg/s/m2]
	166	REAL, DIMENSION(klon), INTENT(OUT) :: snow ! surface large-scale snowfall [kg/s/m2]
[4380]	167	REAL, DIMENSION(klon,klev), INTENT(OUT) :: qsatl ! saturation specific humidity wrt liquid [kg/kg]
	168	REAL, DIMENSION(klon,klev), INTENT(OUT) :: qsats ! saturation specific humidity wrt ice [kg/kg]
[3999]	169	REAL, DIMENSION(klon,klev+1), INTENT(OUT) :: prfl ! large-scale rainfall flux in the column [kg/s/m2]
	170	REAL, DIMENSION(klon,klev+1), INTENT(OUT) :: psfl ! large-scale snowfall flux in the column [kg/s/m2]
[4562]	171	REAL, DIMENSION(klon,klev), INTENT(OUT) :: distcltop ! distance to cloud top [m]
[4639]	172	REAL, DIMENSION(klon,klev), INTENT(OUT) :: temp_cltop ! temperature of cloud top [K]
[4686]	173	REAL, DIMENSION(klon,klev), INTENT(OUT) :: beta ! conversion rate of condensed water
	174
[3999]	175	! fraction of aerosol scavenging through impaction and nucleation (for on-line)
	176
	177	REAL, DIMENSION(klon,klev), INTENT(OUT) :: frac_impa ! scavenging fraction due tu impaction [-]
	178	REAL, DIMENSION(klon,klev), INTENT(OUT) :: frac_nucl ! scavenging fraction due tu nucleation [-]
	179
[4380]	180	! for supersaturation and contrails parameterisation
[3999]	181
[4380]	182	REAL, DIMENSION(klon,klev), INTENT(OUT) :: qclr ! specific total water content in clear sky region [kg/kg]
	183	REAL, DIMENSION(klon,klev), INTENT(OUT) :: qcld ! specific total water content in cloudy region [kg/kg]
	184	REAL, DIMENSION(klon,klev), INTENT(OUT) :: qss ! specific total water content in supersat region [kg/kg]
	185	REAL, DIMENSION(klon,klev), INTENT(OUT) :: qvc ! specific vapor content in clouds [kg/kg]
	186	REAL, DIMENSION(klon,klev), INTENT(OUT) :: rnebclr ! mesh fraction of clear sky [-]
	187	REAL, DIMENSION(klon,klev), INTENT(OUT) :: rnebss ! mesh fraction of ISSR [-]
	188	REAL, DIMENSION(klon,klev), INTENT(OUT) :: gamma_ss ! coefficient governing the ice nucleation RHi threshold [-]
[4425]	189	REAL, DIMENSION(klon,klev), INTENT(OUT) :: Tcontr ! threshold temperature for contrail formation [K]
	190	REAL, DIMENSION(klon,klev), INTENT(OUT) :: qcontr ! threshold humidity for contrail formation [kg/kg]
	191	REAL, DIMENSION(klon,klev), INTENT(OUT) :: qcontr2 ! // (2nd expression more consistent with LMDZ expression of q)
	192	REAL, DIMENSION(klon,klev), INTENT(OUT) :: fcontrN ! fraction of grid favourable to non-persistent contrails
	193	REAL, DIMENSION(klon,klev), INTENT(OUT) :: fcontrP ! fraction of grid favourable to persistent contrails
[4686]	194	REAL, DIMENSION(klon,klev), INTENT(OUT) :: cloudth_sth ! mean saturation deficit in thermals
	195	REAL, DIMENSION(klon,klev), INTENT(OUT) :: cloudth_senv ! mean saturation deficit in environment
	196	REAL, DIMENSION(klon,klev), INTENT(OUT) :: cloudth_sigmath ! std of saturation deficit in thermals
	197	REAL, DIMENSION(klon,klev), INTENT(OUT) :: cloudth_sigmaenv ! std of saturation deficit in environment
[3999]	198
[4686]	199
	200
[3999]	201	! LOCAL VARIABLES:
	202	!----------------
	203
[4654]	204	REAL,DIMENSION(klon) :: qsl, qsi
	205	REAL :: zct, zcl,zexpo
	206	REAL, DIMENSION(klon,klev) :: ctot
	207	REAL, DIMENSION(klon,klev) :: ctot_vol
	208	REAL, DIMENSION(klon) :: zqs, zdqs
	209	REAL :: zdelta, zcor, zcvm5
	210	REAL, DIMENSION(klon) :: zdqsdT_raw
	211	REAL, DIMENSION(klon) :: gammasat,dgammasatdt ! coefficient to make cold condensation at the correct RH and derivative wrt T
	212	REAL, DIMENSION(klon) :: Tbef,qlbef,DT
	213	REAL :: num,denom
	214	REAL :: cste
	215	REAL, DIMENSION(klon) :: zpdf_sig,zpdf_k,zpdf_delta
	216	REAL, DIMENSION(klon) :: Zpdf_a,zpdf_b,zpdf_e1,zpdf_e2
	217	REAL :: erf
	218	REAL, DIMENSION(klon,klev) :: icefrac_mpc
	219	REAL, DIMENSION(klon) :: qcloud, qincloud_mpc
	220	REAL, DIMENSION(klon) :: zrfl, zrfln
	221	REAL :: zqev, zqevt
	222	REAL, DIMENSION(klon) :: zifl, zifln, ziflprev
	223	REAL :: zqev0,zqevi, zqevti
	224	REAL, DIMENSION(klon) :: zoliq, zcond, zq, zqn
	225	REAL, DIMENSION(klon) :: zoliql, zoliqi
	226	REAL, DIMENSION(klon) :: zt
	227	REAL, DIMENSION(klon,klev) :: zrho
	228	REAL, DIMENSION(klon) :: zdz,iwc
	229	REAL :: zchau,zfroi
	230	REAL, DIMENSION(klon) :: zfice,zneb,znebprecip
	231	REAL :: zmelt,zrain,zsnow,zprecip
	232	REAL, DIMENSION(klon) :: dzfice
	233	REAL :: zsolid
	234	REAL, DIMENSION(klon) :: qtot, qzero
	235	REAL, DIMENSION(klon) :: dqsl,dqsi
	236	REAL :: smallestreal
[3999]	237	! Variables for Bergeron process
[4654]	238	REAL :: zcp, coef1, DeltaT, Deltaq, Deltaqprecl
	239	REAL, DIMENSION(klon) :: zqpreci, zqprecl
[3999]	240	! Variables precipitation energy conservation
[4654]	241	REAL, DIMENSION(klon) :: zmqc
	242	REAL :: zalpha_tr
	243	REAL :: zfrac_lessi
	244	REAL, DIMENSION(klon) :: zprec_cond
	245	REAL, DIMENSION(klon) :: zmair
	246	REAL :: zcpair, zcpeau
	247	REAL, DIMENSION(klon) :: zlh_solid
	248	REAL :: zm_solid ! for liquid -> solid conversion
	249	REAL, DIMENSION(klon) :: zrflclr, zrflcld
	250	REAL, DIMENSION(klon) :: d_zrfl_clr_cld, d_zifl_clr_cld
	251	REAL, DIMENSION(klon) :: d_zrfl_cld_clr, d_zifl_cld_clr
	252	REAL, DIMENSION(klon) :: ziflclr, ziflcld
	253	REAL, DIMENSION(klon) :: znebprecipclr, znebprecipcld
	254	REAL, DIMENSION(klon) :: tot_zneb, tot_znebn, d_tot_zneb
	255	REAL, DIMENSION(klon) :: d_znebprecip_clr_cld, d_znebprecip_cld_clr
	256	REAL, DIMENSION(klon,klev) :: velo
	257	REAL :: vr, ffallv
	258	REAL :: qlmpc, qimpc, rnebmpc
	259	REAL, DIMENSION(klon,klev) :: radocondi, radocondl
	260	REAL :: effective_zneb
	261	REAL, DIMENSION(klon) :: distcltop1D, temp_cltop1D
[3999]	262
[4562]	263
[4654]	264	INTEGER i, k, n, kk, iter
	265	INTEGER, DIMENSION(klon) :: n_i
[4226]	266	INTEGER ncoreczq
[4654]	267	INTEGER, DIMENSION(klon,klev) :: mpc_bl_points
[3999]	268
[4654]	269	LOGICAL, DIMENSION(klon) :: lognormale
	270	LOGICAL, DIMENSION(klon) :: keepgoing
[3999]	271
	272	CHARACTER (len = 20) :: modname = 'lscp'
	273	CHARACTER (len = 80) :: abort_message
	274
	275
	276	!===============================================================================
	277	! INITIALISATION
	278	!===============================================================================
	279
[4226]	280	! Few initial checks
[3999]	281
[4654]	282
[3999]	283	IF (iflag_fisrtilp_qsat .LT. 0) THEN
[4226]	284	abort_message = 'lscp cannot be used with iflag_fisrtilp<0'
	285	CALL abort_physic(modname,abort_message,1)
[3999]	286	ENDIF
	287
	288	! Few initialisations
	289
[4226]	290	znebprecip(:)=0.0
[3999]	291	ctot_vol(1:klon,1:klev)=0.0
	292	rneblsvol(1:klon,1:klev)=0.0
[4226]	293	smallestreal=1.e-9
	294	znebprecipclr(:)=0.0
	295	znebprecipcld(:)=0.0
[3999]	296	mpc_bl_points(:,:)=0
	297
	298	IF (prt_level>9) WRITE(lunout,*) 'NUAGES4 A. JAM'
	299
	300	! AA for 'safety' reasons
	301	zalpha_tr = 0.
	302	zfrac_lessi = 0.
[4380]	303	beta(:,:)= 0.
[3999]	304
[4380]	305	! Initialisation of variables:
	306
[3999]	307	prfl(:,:) = 0.0
	308	psfl(:,:) = 0.0
	309	d_t(:,:) = 0.0
	310	d_q(:,:) = 0.0
	311	d_ql(:,:) = 0.0
	312	d_qi(:,:) = 0.0
	313	rneb(:,:) = 0.0
[4530]	314	pfraclr(:,:)=0.0
	315	pfracld(:,:)=0.0
[4412]	316	radocond(:,:) = 0.0
[3999]	317	radicefrac(:,:) = 0.0
[4226]	318	frac_nucl(:,:) = 1.0
	319	frac_impa(:,:) = 1.0
[3999]	320	rain(:) = 0.0
	321	snow(:) = 0.0
[4114]	322	zoliq(:)=0.0
	323	zfice(:)=0.0
	324	dzfice(:)=0.0
	325	zqprecl(:)=0.0
	326	zqpreci(:)=0.0
[3999]	327	zrfl(:) = 0.0
	328	zifl(:) = 0.0
[4114]	329	ziflprev(:)=0.0
[3999]	330	zneb(:) = seuil_neb
[4226]	331	zrflclr(:) = 0.0
	332	ziflclr(:) = 0.0
	333	zrflcld(:) = 0.0
	334	ziflcld(:) = 0.0
	335	tot_zneb(:) = 0.0
	336	tot_znebn(:) = 0.0
	337	d_tot_zneb(:) = 0.0
	338	qzero(:) = 0.0
[4562]	339	distcltop1D(:)=0.0
[4639]	340	temp_cltop1D(:) = 0.0
[4380]	341	!--ice supersaturation
[4226]	342	gamma_ss(:,:) = 1.0
	343	qss(:,:) = 0.0
	344	rnebss(:,:) = 0.0
[4059]	345	Tcontr(:,:) = missing_val
	346	qcontr(:,:) = missing_val
	347	qcontr2(:,:) = missing_val
	348	fcontrN(:,:) = 0.0
	349	fcontrP(:,:) = 0.0
[4654]	350	distcltop(:,:)=0.
	351	temp_cltop(:,:)=0.
[3999]	352
[4392]	353	!c_iso: variable initialisation for iso
	354
	355
[3999]	356	!===============================================================================
	357	! BEGINNING OF VERTICAL LOOP FROM TOP TO BOTTOM
	358	!===============================================================================
	359
	360	ncoreczq=0
	361
	362	DO k = klev, 1, -1
	363
	364	! Initialisation temperature and specific humidity
	365	DO i = 1, klon
[4654]	366	zt(i)=temp(i,k)
[4686]	367	zq(i)=qt(i,k)
[4392]	368	!c_iso init of iso
[3999]	369	ENDDO
	370
	371	! --------------------------------------------------------------------
	372	! P0> Thermalization of precipitation falling from the overlying layer
	373	! --------------------------------------------------------------------
[4412]	374	! Computes air temperature variation due to enthalpy transported by
[3999]	375	! precipitation. Precipitation is then thermalized with the air in the
	376	! layer.
	377	! The precipitation should remain thermalized throughout the different
[4412]	378	! thermodynamical transformations.
	379	! The corresponding water mass should
[3999]	380	! be added when calculating the layer's enthalpy change with
	381	! temperature
[4412]	382	! See lmdzpedia page todoan
	383	! todoan: check consistency with ice phase
	384	! todoan: understand why several steps
[3999]	385	! ---------------------------------------------------------------------
	386
[4380]	387	IF (k.LE.klev-1) THEN
[3999]	388
	389	DO i = 1, klon
	390
	391	zmair(i)=(paprs(i,k)-paprs(i,k+1))/RG
	392	! no condensed water so cp=cp(vapor+dry air)
	393	! RVTMP2=rcpv/rcpd-1
	394	zcpair=RCPD(1.0+RVTMP2zq(i))
[4226]	395	zcpeau=RCPD*RVTMP2
	396
[3999]	397	! zmqc: precipitation mass that has to be thermalized with
	398	! layer's air so that precipitation at the ground has the
	399	! same temperature as the lowermost layer
	400	zmqc(i) = (zrfl(i)+zifl(i))*dtime/zmair(i)
	401	! t(i,k+1)+d_t(i,k+1): new temperature of the overlying layer
[4654]	402	zt(i) = ( (temp(i,k+1)+d_t(i,k+1))zmqc(i)zcpeau + zcpair*zt(i) ) &
[3999]	403	/ (zcpair + zmqc(i)*zcpeau)
[4226]	404
[3999]	405	ENDDO
	406
[4226]	407	ELSE
[3999]	408
	409	DO i = 1, klon
	410	zmair(i)=(paprs(i,k)-paprs(i,k+1))/RG
	411	zmqc(i) = 0.
	412	ENDDO
	413
	414	ENDIF
	415
	416	! --------------------------------------------------------------------
	417	! P1> Precipitation evaporation/sublimation
	418	! --------------------------------------------------------------------
	419	! A part of the precipitation coming from above is evaporated/sublimated.
	420	! --------------------------------------------------------------------
	421
[4397]	422	IF (iflag_evap_prec.GE.1) THEN
[3999]	423
[4072]	424	! Calculation of saturation specific humidity
	425	! depending on temperature:
[4380]	426	CALL calc_qsat_ecmwf(klon,zt(:),qzero(:),pplay(:,k),RTT,0,.false.,zqs(:),zdqs(:))
[4072]	427	! wrt liquid water
[4380]	428	CALL calc_qsat_ecmwf(klon,zt(:),qzero(:),pplay(:,k),RTT,1,.false.,qsl(:),dqsl(:))
[4072]	429	! wrt ice
[4380]	430	CALL calc_qsat_ecmwf(klon,zt(:),qzero(:),pplay(:,k),RTT,2,.false.,qsi(:),dqsi(:))
[3999]	431
	432	DO i = 1, klon
[4226]	433
[3999]	434	! if precipitation
	435	IF (zrfl(i)+zifl(i).GT.0.) THEN
[4226]	436
[4563]	437	! LudoTP: we only account for precipitation evaporation in the clear-sky (iflag_evap_prec>=4).
[4392]	438	! c_iso: likely important to distinguish cs from neb isotope precipitation
	439
[4563]	440	IF (iflag_evap_prec.GE.4) THEN
[4226]	441	zrfl(i) = zrflclr(i)
	442	zifl(i) = ziflclr(i)
	443	ENDIF
[3999]	444
	445	IF (iflag_evap_prec.EQ.1) THEN
	446	znebprecip(i)=zneb(i)
	447	ELSE
	448	znebprecip(i)=MAX(zneb(i),znebprecip(i))
	449	ENDIF
	450
[4563]	451	IF (iflag_evap_prec.GT.4) THEN
	452	! Max evaporation not to saturate the clear sky precip fraction
	453	! i.e. the fraction where evaporation occurs
	454	zqev0 = MAX(0.0, (zqs(i)-zq(i))*znebprecipclr(i))
	455	ELSEIF (iflag_evap_prec .EQ. 4) THEN
[4226]	456	! Max evaporation not to saturate the whole mesh
[4563]	457	! Pay attention -> lead to unrealistic and excessive evaporation
[4226]	458	zqev0 = MAX(0.0, zqs(i)-zq(i))
	459	ELSE
	460	! Max evap not to saturate the fraction below the cloud
	461	zqev0 = MAX(0.0, (zqs(i)-zq(i))*znebprecip(i))
	462	ENDIF
[3999]	463
	464	! Evaporation of liquid precipitation coming from above
	465	! dP/dz=beta(1-q/qsat)sqrt(P)
	466	! formula from Sundquist 1988, Klemp & Wilhemson 1978
[4563]	467	! LTP: evaporation only in the clear sky part (iflag_evap_prec>=4)
[3999]	468
	469	IF (iflag_evap_prec.EQ.3) THEN
[4072]	470	zqevt = znebprecip(i)coef_eva(1.0-zq(i)/qsl(i)) &
[3999]	471	*SQRT(zrfl(i)/max(1.e-4,znebprecip(i))) &
	472	(paprs(i,k)-paprs(i,k+1))/pplay(i,k)zt(i)*RD/RG
[4563]	473	ELSE IF (iflag_evap_prec.GE.4) THEN
[4072]	474	zqevt = znebprecipclr(i)coef_eva(1.0-zq(i)/qsl(i)) &
[3999]	475	*SQRT(zrfl(i)/max(1.e-8,znebprecipclr(i))) &
	476	(paprs(i,k)-paprs(i,k+1))/pplay(i,k)zt(i)*RD/RG
	477	ELSE
[4072]	478	zqevt = 1.coef_eva(1.0-zq(i)/qsl(i))*SQRT(zrfl(i)) &
[3999]	479	(paprs(i,k)-paprs(i,k+1))/pplay(i,k)zt(i)*RD/RG
	480	ENDIF
	481
[4226]	482	zqevt = MAX(0.0,MIN(zqevt,zrfl(i))) &
	483	RGdtime/(paprs(i,k)-paprs(i,k+1))
[3999]	484
	485	! sublimation of the solid precipitation coming from above
	486	IF (iflag_evap_prec.EQ.3) THEN
[4072]	487	zqevti = znebprecip(i)coef_eva_i(1.0-zq(i)/qsi(i)) &
[3999]	488	*SQRT(zifl(i)/max(1.e-4,znebprecip(i))) &
	489	(paprs(i,k)-paprs(i,k+1))/pplay(i,k)zt(i)*RD/RG
[4563]	490	ELSE IF (iflag_evap_prec.GE.4) THEN
[4072]	491	zqevti = znebprecipclr(i)coef_eva_i(1.0-zq(i)/qsi(i)) &
[3999]	492	*SQRT(zifl(i)/max(1.e-8,znebprecipclr(i))) &
	493	(paprs(i,k)-paprs(i,k+1))/pplay(i,k)zt(i)*RD/RG
	494	ELSE
[4072]	495	zqevti = 1.coef_eva_i(1.0-zq(i)/qsi(i))*SQRT(zifl(i)) &
[3999]	496	(paprs(i,k)-paprs(i,k+1))/pplay(i,k)zt(i)*RD/RG
	497	ENDIF
[4226]	498
[3999]	499	zqevti = MAX(0.0,MIN(zqevti,zifl(i))) &
[4226]	500	RGdtime/(paprs(i,k)-paprs(i,k+1))
[3999]	501
	502	! A. JAM
	503	! Evaporation limit: we ensure that the layer's fraction below
	504	! the cloud or the whole mesh (depending on iflag_evap_prec)
	505	! does not reach saturation. In this case, we
	506	! redistribute zqev0 conserving the ratio liquid/ice
[4226]	507
[4412]	508	! todoan: check the consistency of this formula
[3999]	509	IF (zqevt+zqevti.GT.zqev0) THEN
	510	zqev=zqev0*zqevt/(zqevt+zqevti)
	511	zqevi=zqev0*zqevti/(zqevt+zqevti)
	512	ELSE
	513	zqev=zqevt
	514	zqevi=zqevti
	515	ENDIF
	516
	517
[4392]	518	! New solid and liquid precipitation fluxes after evap and sublimation
[3999]	519	zrfln(i) = Max(0.,zrfl(i) - zqev*(paprs(i,k)-paprs(i,k+1)) &
	520	/RG/dtime)
	521	zifln(i) = Max(0.,zifl(i) - zqevi*(paprs(i,k)-paprs(i,k+1)) &
	522	/RG/dtime)
	523
[4392]	524
[3999]	525	! vapor, temperature, precip fluxes update
	526	zq(i) = zq(i) - (zrfln(i)+zifln(i)-zrfl(i)-zifl(i)) &
	527	* (RG/(paprs(i,k)-paprs(i,k+1)))*dtime
	528	zmqc(i) = zmqc(i) + (zrfln(i)+zifln(i)-zrfl(i)-zifl(i)) &
	529	* (RG/(paprs(i,k)-paprs(i,k+1)))*dtime
	530	zt(i) = zt(i) + (zrfln(i)-zrfl(i)) &
	531	* (RG/(paprs(i,k)-paprs(i,k+1)))*dtime &
	532	* RLVTT/RCPD/(1.0+RVTMP2*(zq(i)+zmqc(i))) &
	533	+ (zifln(i)-zifl(i)) &
	534	* (RG/(paprs(i,k)-paprs(i,k+1)))*dtime &
	535	* RLSTT/RCPD/(1.0+RVTMP2*(zq(i)+zmqc(i)))
	536
	537	! New values of liquid and solid precipitation
	538	zrfl(i) = zrfln(i)
	539	zifl(i) = zifln(i)
	540
[4392]	541	! c_iso here call_reevap that updates isotopic zrfl, zifl (in inout)
	542	! due to evap + sublim
	543
	544
[4563]	545	IF (iflag_evap_prec.GE.4) THEN
[4226]	546	zrflclr(i) = zrfl(i)
	547	ziflclr(i) = zifl(i)
	548	IF(zrflclr(i) + ziflclr(i).LE.0) THEN
	549	znebprecipclr(i) = 0.0
	550	ENDIF
	551	zrfl(i) = zrflclr(i) + zrflcld(i)
	552	zifl(i) = ziflclr(i) + ziflcld(i)
	553	ENDIF
[3999]	554
[4392]	555	! c_iso duplicate for isotopes or loop on isotopes
[3999]	556
[4392]	557	! Melting:
[4412]	558	zmelt = ((zt(i)-RTT)/(ztfondue-RTT)) ! JYG
[3999]	559	! precip fraction that is melted
	560	zmelt = MIN(MAX(zmelt,0.),1.)
[4392]	561
[4412]	562	! update of rainfall and snowfall due to melting
[4563]	563	IF (iflag_evap_prec.GE.4) THEN
[4226]	564	zrflclr(i)=zrflclr(i)+zmelt*ziflclr(i)
	565	zrflcld(i)=zrflcld(i)+zmelt*ziflcld(i)
	566	zrfl(i)=zrflclr(i)+zrflcld(i)
[4412]	567
	568	ziflclr(i)=ziflclr(i)*(1.-zmelt)
	569	ziflcld(i)=ziflcld(i)*(1.-zmelt)
	570	zifl(i)=ziflclr(i)+ziflcld(i)
	571
[4226]	572	ELSE
	573	zrfl(i)=zrfl(i)+zmelt*zifl(i)
[4412]	574
	575	zifl(i)=zifl(i)*(1.-zmelt)
[4226]	576	ENDIF
[4412]	577
	578
[4392]	579	! c_iso: melting of isotopic precipi with zmelt (no fractionation)
[3999]	580
	581	! Latent heat of melting with precipitation thermalization
	582	zt(i)=zt(i)-zifl(i)zmelt(RG*dtime)/(paprs(i,k)-paprs(i,k+1)) &
	583	RLMLT/RCPD/(1.0+RVTMP2(zq(i)+zmqc(i)))
	584
	585
	586	ELSE
	587	! if no precip, we reinitialize the cloud fraction used for the precip to 0
	588	znebprecip(i)=0.
	589
	590	ENDIF ! (zrfl(i)+zifl(i).GT.0.)
	591
	592	ENDDO
[4226]	593
[3999]	594	ENDIF ! (iflag_evap_prec>=1)
	595
	596	! --------------------------------------------------------------------
	597	! End precip evaporation
	598	! --------------------------------------------------------------------
	599
	600	! Calculation of qsat, L/Cp*dqsat/dT and ncoreczq counter
	601	!-------------------------------------------------------
[4226]	602
[4072]	603	qtot(:)=zq(:)+zmqc(:)
[4380]	604	CALL calc_qsat_ecmwf(klon,zt(:),qtot(:),pplay(:,k),RTT,0,.false.,zqs(:),zdqs(:))
[4072]	605	DO i = 1, klon
[3999]	606	zdelta = MAX(0.,SIGN(1.,RTT-zt(i)))
[4059]	607	zdqsdT_raw(i) = zdqs(i)RCPD(1.0+RVTMP2zq(i)) / (RLVTT(1.-zdelta) + RLSTT*zdelta)
[3999]	608	IF (zq(i) .LT. 1.e-15) THEN
	609	ncoreczq=ncoreczq+1
	610	zq(i)=1.e-15
	611	ENDIF
[4392]	612	! c_iso: do something similar for isotopes
[3999]	613
[4072]	614	ENDDO
[3999]	615
	616	! --------------------------------------------------------------------
	617	! P2> Cloud formation
	618	!---------------------------------------------------------------------
	619	!
	620	! Unlike fisrtilp, we always assume a 'fractional cloud' approach
	621	! i.e. clouds occupy only a fraction of the mesh (the subgrid distribution
	622	! is prescribed and depends on large scale variables and boundary layer
	623	! properties)
	624	! The decrease in condensed part due tu latent heating is taken into
	625	! account
	626	! -------------------------------------------------------------------
	627
	628	! P2.1> With the PDFs (log-normal, bigaussian)
[4424]	629	! cloud properties calculation with the initial values of t and q
[3999]	630	! ----------------------------------------------------------------
	631
	632	! initialise gammasat and qincloud_mpc
	633	gammasat(:)=1.
	634	qincloud_mpc(:)=0.
	635
	636	IF (iflag_cld_th.GE.5) THEN
	637
	638	IF (iflag_mpc_bl .LT. 1) THEN
	639
	640	IF (iflag_cloudth_vert.LE.2) THEN
	641
	642	CALL cloudth(klon,klev,k,ztv, &
	643	zq,zqta,fraca, &
	644	qcloud,ctot,zpspsk,paprs,pplay,ztla,zthl, &
[4654]	645	ratqs,zqs,temp, &
[4651]	646	cloudth_sth,cloudth_senv,cloudth_sigmath,cloudth_sigmaenv)
[3999]	647
[4651]	648
	649
	650
	651
[3999]	652	ELSEIF (iflag_cloudth_vert.GE.3 .AND. iflag_cloudth_vert.LE.5) THEN
	653
	654	CALL cloudth_v3(klon,klev,k,ztv, &
	655	zq,zqta,fraca, &
	656	qcloud,ctot,ctot_vol,zpspsk,paprs,pplay,ztla,zthl, &
[4654]	657	ratqs,zqs,temp, &
[4651]	658	cloudth_sth,cloudth_senv,cloudth_sigmath,cloudth_sigmaenv)
[3999]	659
[4226]	660	!Jean Jouhaud's version, Decembre 2018
	661	!-------------------------------------
[3999]	662
	663	ELSEIF (iflag_cloudth_vert.EQ.6) THEN
	664
	665	CALL cloudth_v6(klon,klev,k,ztv, &
	666	zq,zqta,fraca, &
	667	qcloud,ctot,ctot_vol,zpspsk,paprs,pplay,ztla,zthl, &
[4654]	668	ratqs,zqs,temp, &
[4651]	669	cloudth_sth,cloudth_senv,cloudth_sigmath,cloudth_sigmaenv)
[3999]	670
	671	ENDIF
	672
	673	ELSE
	674	! cloudth_v3 + cold microphysical considerations
	675	! + stationary mixed-phase cloud model
	676
[4380]	677	CALL cloudth_mpc(klon,klev,k,iflag_mpc_bl,mpc_bl_points, &
[4654]	678	temp,ztv,zq,zqta,fraca, zpspsk, &
[3999]	679	paprs,pplay,ztla,zthl,ratqs,zqs,psfl, &
[4651]	680	qcloud,qincloud_mpc,icefrac_mpc,ctot,ctot_vol, &
	681	cloudth_sth,cloudth_senv,cloudth_sigmath,cloudth_sigmaenv)
[3999]	682
	683	ENDIF ! iflag_mpc_bl
	684
	685	DO i=1,klon
	686	rneb(i,k)=ctot(i,k)
	687	rneblsvol(i,k)=ctot_vol(i,k)
	688	zqn(i)=qcloud(i)
	689	ENDDO
	690
	691	ENDIF
	692
	693	IF (iflag_cld_th .LE. 4) THEN
	694
	695	! lognormal
	696	lognormale = .TRUE.
	697
	698	ELSEIF (iflag_cld_th .GE. 6) THEN
	699
	700	! lognormal distribution when no thermals
	701	lognormale = fraca(:,k) < 1e-10
	702
	703	ELSE
[4226]	704	! When iflag_cld_th=5, we always assume
[3999]	705	! bi-gaussian distribution
	706	lognormale = .FALSE.
	707
	708	ENDIF
	709
	710	DT(:) = 0.
	711	n_i(:)=0
	712	Tbef(:)=zt(:)
	713	qlbef(:)=0.
	714
	715	! Treatment of non-boundary layer clouds (lognormale)
	716	! condensation with qsat(T) variation (adaptation)
[4424]	717	! Iterative resolution to converge towards qsat
	718	! with update of temperature, ice fraction and qsat at
	719	! each iteration
[4226]	720
[4424]	721	! todoan -> sensitivity to iflag_fisrtilp_qsat
[3999]	722	DO iter=1,iflag_fisrtilp_qsat+1
[4226]	723
[3999]	724	DO i=1,klon
	725
[4424]	726	! keepgoing = .true. while convergence is not satisfied
	727	keepgoing(i)=ABS(DT(i)).GT.DDT0
[4226]	728
[4424]	729	IF ((keepgoing(i) .OR. (n_i(i) .EQ. 0)) .AND. lognormale(i)) THEN
[4226]	730
[3999]	731	! if not convergence:
	732
	733	! P2.2.1> cloud fraction and condensed water mass calculation
	734	! Calculated variables:
	735	! rneb : cloud fraction
	736	! zqn : total water within the cloud
	737	! zcond: mean condensed water within the mesh
	738	! rhcl: clear-sky relative humidity
	739	!---------------------------------------------------------------
	740
[4424]	741	! new temperature that only serves in the iteration process:
[3999]	742	Tbef(i)=Tbef(i)+DT(i)
	743
	744	! Rneb, qzn and zcond for lognormal PDFs
[4072]	745	qtot(i)=zq(i)+zmqc(i)
[4226]	746
[4072]	747	ENDIF
[3999]	748
[4072]	749	ENDDO
	750
[4380]	751	! Calculation of saturation specific humidity and ice fraction
[4226]	752	CALL calc_qsat_ecmwf(klon,Tbef(:),qtot(:),pplay(:,k),RTT,0,.false.,zqs(:),zdqs(:))
	753	CALL calc_gammasat(klon,Tbef(:),qtot(:),pplay(:,k),gammasat(:),dgammasatdt(:))
[4072]	754	! saturation may occur at a humidity different from qsat (gamma qsat), so gamma correction for dqs
	755	zdqs(:) = gammasat(:)zdqs(:)+zqs(:)dgammasatdt(:)
[4562]	756	! cloud phase determination
	757	IF (iflag_t_glace.GE.4) THEN
	758	! For iflag_t_glace GE 4 the phase partition function dependends on temperature AND distance to cloud top
[4654]	759	CALL distance_to_cloud_top(klon,klev,k,temp,pplay,paprs,rneb,distcltop1D,temp_cltop1D)
[4562]	760	ENDIF
[4639]	761	CALL icefrac_lscp(klon, zt(:), iflag_ice_thermo, distcltop1D(:),temp_cltop1D(:),zfice(:),dzfice(:))
[4072]	762
[4424]	763	DO i=1,klon !todoan : check if loop in i is needed
[4072]	764
[4424]	765	IF ((keepgoing(i) .OR. (n_i(i) .EQ. 0)) .AND. lognormale(i)) THEN
[4072]	766
[3999]	767	zpdf_sig(i)=ratqs(i,k)*zq(i)
	768	zpdf_k(i)=-sqrt(log(1.+(zpdf_sig(i)/zq(i))**2))
	769	zpdf_delta(i)=log(zq(i)/(gammasat(i)*zqs(i)))
	770	zpdf_a(i)=zpdf_delta(i)/(zpdf_k(i)*sqrt(2.))
	771	zpdf_b(i)=zpdf_k(i)/(2.*sqrt(2.))
	772	zpdf_e1(i)=zpdf_a(i)-zpdf_b(i)
	773	zpdf_e1(i)=sign(min(ABS(zpdf_e1(i)),5.),zpdf_e1(i))
	774	zpdf_e1(i)=1.-erf(zpdf_e1(i))
	775	zpdf_e2(i)=zpdf_a(i)+zpdf_b(i)
	776	zpdf_e2(i)=sign(min(ABS(zpdf_e2(i)),5.),zpdf_e2(i))
	777	zpdf_e2(i)=1.-erf(zpdf_e2(i))
[4226]	778
[4062]	779	IF ((.NOT.ok_ice_sursat).OR.(Tbef(i).GT.t_glace_min)) THEN
[4059]	780
	781	IF (zpdf_e1(i).LT.1.e-10) THEN
	782	rneb(i,k)=0.
	783	zqn(i)=gammasat(i)*zqs(i)
	784	ELSE
	785	rneb(i,k)=0.5*zpdf_e1(i)
	786	zqn(i)=zq(i)*zpdf_e2(i)/zpdf_e1(i)
	787	ENDIF
	788
[4072]	789	rnebss(i,k)=0.0 !--added by OB (needed because of the convergence loop on time)
[4059]	790	fcontrN(i,k)=0.0 !--idem
	791	fcontrP(i,k)=0.0 !--idem
	792	qss(i,k)=0.0 !--idem
[4226]	793
[4424]	794	ELSE ! in case of ice supersaturation by Audran
[4226]	795
[4059]	796	!------------------------------------
[4072]	797	! ICE SUPERSATURATION
[4059]	798	!------------------------------------
[3999]	799
[4654]	800	CALL ice_sursat(pplay(i,k), paprs(i,k)-paprs(i,k+1), dtime, i, k, temp(i,k), zq(i), &
[4226]	801	gamma_ss(i,k), zqs(i), Tbef(i), rneb_seri(i,k), ratqs(i,k), &
	802	rneb(i,k), zqn(i), rnebss(i,k), qss(i,k), &
[4059]	803	Tcontr(i,k), qcontr(i,k), qcontr2(i,k), fcontrN(i,k), fcontrP(i,k) )
	804
	805	ENDIF ! ((flag_ice_sursat.eq.0).or.(Tbef(i).gt.t_glace_min))
	806
[3999]	807	! If vertical heterogeneity, change fraction by volume as well
	808	IF (iflag_cloudth_vert.GE.3) THEN
	809	ctot_vol(i,k)=rneb(i,k)
	810	rneblsvol(i,k)=ctot_vol(i,k)
	811	ENDIF
	812
	813
[4072]	814	! P2.2.2> Approximative calculation of temperature variation DT
	815	! due to condensation.
	816	! Calculated variables:
	817	! dT : temperature change due to condensation
	818	!---------------------------------------------------------------
[3999]	819
	820
	821	IF (zfice(i).LT.1) THEN
	822	cste=RLVTT
	823	ELSE
	824	cste=RLSTT
	825	ENDIF
	826
	827	qlbef(i)=max(0.,zqn(i)-zqs(i))
	828	num = -Tbef(i)+zt(i)+rneb(i,k)((1-zfice(i))RLVTT &
[4226]	829	+zfice(i)RLSTT)/RCPD/(1.0+RVTMP2(zq(i)+zmqc(i)))*qlbef(i)
[3999]	830	denom = 1.+rneb(i,k)((1-zfice(i))RLVTT+zfice(i)RLSTT)/cstezdqs(i) &
	831	-(RLSTT-RLVTT)/RCPD/(1.0+RVTMP2(zq(i)+zmqc(i)))rneb(i,k) &
[4226]	832	qlbef(i)dzfice(i)
[4424]	833	! here we update a provisory temperature variable that only serves in the iteration
	834	! process
[3999]	835	DT(i)=num/denom
	836	n_i(i)=n_i(i)+1
	837
[4424]	838	ENDIF ! end keepgoing
[3999]	839
	840	ENDDO ! end loop on i
	841
	842	ENDDO ! iter=1,iflag_fisrtilp_qsat+1
	843
	844	! P2.3> Final quantities calculation
	845	! Calculated variables:
	846	! rneb : cloud fraction
	847	! zcond: mean condensed water in the mesh
	848	! zqn : mean water vapor in the mesh
[4562]	849	! zfice: ice fraction in clouds
[3999]	850	! zt : temperature
	851	! rhcl : clear-sky relative humidity
	852	! ----------------------------------------------------------------
	853
	854
[4562]	855	! For iflag_t_glace GE 4 the phase partition function dependends on temperature AND distance to cloud top
	856	IF (iflag_t_glace.GE.4) THEN
[4654]	857	CALL distance_to_cloud_top(klon,klev,k,temp,pplay,paprs,rneb,distcltop1D,temp_cltop1D)
[4562]	858	distcltop(:,k)=distcltop1D(:)
[4639]	859	temp_cltop(:,k)=temp_cltop1D(:)
[4562]	860	ENDIF
	861
[3999]	862	! Partition function in stratiform clouds (will be overwritten in boundary-layer MPCs)
[4639]	863	CALL icefrac_lscp(klon,zt(:),iflag_ice_thermo,distcltop1D(:),temp_cltop1D(:),zfice(:), dzfice(:))
[3999]	864
[4562]	865
	866	! Water vapor update, Phase determination and subsequent latent heat exchange
[3999]	867	DO i=1, klon
	868
	869	IF (mpc_bl_points(i,k) .GT. 0) THEN
	870	zcond(i) = MAX(0.0,qincloud_mpc(i))*rneb(i,k)
	871	! following line is very strange and probably wrong
	872	rhcl(i,k)= (zqs(i)+zq(i))/2./zqs(i)
	873	! water vapor update and partition function if thermals
	874	zq(i) = zq(i) - zcond(i)
	875	zfice(i)=icefrac_mpc(i,k)
	876
	877	ELSE
	878
	879	! Checks on rneb, rhcl and zqn
	880	IF (rneb(i,k) .LE. 0.0) THEN
	881	zqn(i) = 0.0
	882	rneb(i,k) = 0.0
	883	zcond(i) = 0.0
	884	rhcl(i,k)=zq(i)/zqs(i)
	885	ELSE IF (rneb(i,k) .GE. 1.0) THEN
	886	zqn(i) = zq(i)
	887	rneb(i,k) = 1.0
	888	zcond(i) = MAX(0.0,zqn(i)-gammasat(i)*zqs(i))
	889	rhcl(i,k)=1.0
	890	ELSE
	891	zcond(i) = MAX(0.0,zqn(i)-gammasat(i)zqs(i))rneb(i,k)
	892	! following line is very strange and probably wrong:
	893	rhcl(i,k)=(zqs(i)+zq(i))/2./zqs(i)
	894	ENDIF
	895
[4226]	896	! water vapor update
	897	zq(i) = zq(i) - zcond(i)
[3999]	898
	899	ENDIF
	900
[4392]	901	! c_iso : routine that computes in-cloud supersaturation
	902	! c_iso condensation of isotopes (zcond, zsursat, zfice, zq in input)
	903
[3999]	904	! temperature update due to phase change
	905	zt(i) = zt(i) + (1.-zfice(i))*zcond(i) &
	906	& * RLVTT/RCPD/(1.0+RVTMP2*(zq(i)+zmqc(i)+zcond(i))) &
	907	+zfice(i)zcond(i) RLSTT/RCPD/(1.0+RVTMP2*(zq(i)+zmqc(i)+zcond(i)))
	908	ENDDO
	909
	910	! If vertical heterogeneity, change volume fraction
	911	IF (iflag_cloudth_vert .GE. 3) THEN
	912	ctot_vol(1:klon,k)=min(max(ctot_vol(1:klon,k),0.),1.)
	913	rneblsvol(1:klon,k)=ctot_vol(1:klon,k)
	914	ENDIF
	915
	916	! ----------------------------------------------------------------
[4114]	917	! P3> Precipitation formation
[3999]	918	! ----------------------------------------------------------------
[4226]	919
[3999]	920	! LTP:
[4563]	921	IF (iflag_evap_prec .GE. 4) THEN
[3999]	922
	923	!Partitionning between precipitation coming from clouds and that coming from CS
	924
	925	!0) Calculate tot_zneb, total cloud fraction above the cloud
	926	!assuming a maximum-random overlap (voir Jakob and Klein, 2000)
	927
	928	DO i=1, klon
[4424]	929	tot_znebn(i) = 1. - (1.-tot_zneb(i))*(1 - max(rneb(i,k),zneb(i))) &
	930	/(1.-min(zneb(i),1.-smallestreal))
[3999]	931	d_tot_zneb(i) = tot_znebn(i) - tot_zneb(i)
	932	tot_zneb(i) = tot_znebn(i)
	933
	934
	935	!1) Cloudy to clear air
	936	d_znebprecip_cld_clr(i) = znebprecipcld(i) - min(rneb(i,k),znebprecipcld(i))
[4424]	937	IF (znebprecipcld(i) .GT. 0.) THEN
[3999]	938	d_zrfl_cld_clr(i) = d_znebprecip_cld_clr(i)/znebprecipcld(i)*zrflcld(i)
	939	d_zifl_cld_clr(i) = d_znebprecip_cld_clr(i)/znebprecipcld(i)*ziflcld(i)
	940	ELSE
	941	d_zrfl_cld_clr(i) = 0.
	942	d_zifl_cld_clr(i) = 0.
	943	ENDIF
	944
	945	!2) Clear to cloudy air
[4226]	946	d_znebprecip_clr_cld(i) = max(0., min(znebprecipclr(i), rneb(i,k) - d_tot_zneb(i) - zneb(i)))
[3999]	947	IF (znebprecipclr(i) .GT. 0) THEN
	948	d_zrfl_clr_cld(i) = d_znebprecip_clr_cld(i)/znebprecipclr(i)*zrflclr(i)
	949	d_zifl_clr_cld(i) = d_znebprecip_clr_cld(i)/znebprecipclr(i)*ziflclr(i)
	950	ELSE
	951	d_zrfl_clr_cld(i) = 0.
	952	d_zifl_clr_cld(i) = 0.
	953	ENDIF
	954
	955	!Update variables
[4226]	956	znebprecipcld(i) = znebprecipcld(i) + d_znebprecip_clr_cld(i) - d_znebprecip_cld_clr(i)
[3999]	957	znebprecipclr(i) = znebprecipclr(i) + d_znebprecip_cld_clr(i) - d_znebprecip_clr_cld(i)
	958	zrflcld(i) = zrflcld(i) + d_zrfl_clr_cld(i) - d_zrfl_cld_clr(i)
	959	ziflcld(i) = ziflcld(i) + d_zifl_clr_cld(i) - d_zifl_cld_clr(i)
	960	zrflclr(i) = zrflclr(i) + d_zrfl_cld_clr(i) - d_zrfl_clr_cld(i)
	961	ziflclr(i) = ziflclr(i) + d_zifl_cld_clr(i) - d_zifl_clr_cld(i)
	962
[4392]	963	! c_iso do the same thing for isotopes precip
[3999]	964	ENDDO
	965	ENDIF
	966
[4559]	967
	968	! Autoconversion
	969	! -------------------------------------------------------------------------------
	970
	971
[4412]	972	! Initialisation of zoliq and radocond variables
[3999]	973
	974	DO i = 1, klon
	975	zoliq(i) = zcond(i)
[4072]	976	zoliqi(i)= zoliq(i)*zfice(i)
	977	zoliql(i)= zoliq(i)*(1.-zfice(i))
[4392]	978	! c_iso : initialisation of zoliq* also for isotopes
[4114]	979	zrho(i,k) = pplay(i,k) / zt(i) / RD
	980	zdz(i) = (paprs(i,k)-paprs(i,k+1)) / (zrho(i,k)*RG)
[4072]	981	iwc(i) = 0.
	982	zneb(i) = MAX(rneb(i,k),seuil_neb)
[4559]	983	radocond(i,k) = zoliq(i)/REAL(niter_lscp+1)
[3999]	984	radicefrac(i,k) = zfice(i)
[4559]	985	radocondi(i,k)=zoliq(i)*zfice(i)/REAL(niter_lscp+1)
	986	radocondl(i,k)=zoliq(i)*(1.-zfice(i))/REAL(niter_lscp+1)
[3999]	987	ENDDO
	988
[4559]	989
	990	DO n = 1, niter_lscp
[3999]	991
	992	DO i=1,klon
	993	IF (rneb(i,k).GT.0.0) THEN
[4114]	994	iwc(i) = zrho(i,k) * zoliqi(i) / zneb(i) ! in-cloud ice condensate content
[3999]	995	ENDIF
	996	ENDDO
	997
[4226]	998	CALL fallice_velocity(klon,iwc(:),zt(:),zrho(:,k),pplay(:,k),ptconv(:,k),velo(:,k))
[3999]	999
	1000	DO i = 1, klon
	1001
	1002	IF (rneb(i,k).GT.0.0) THEN
	1003
[4072]	1004	! Initialization of zrain, zsnow and zprecip:
	1005	zrain=0.
	1006	zsnow=0.
	1007	zprecip=0.
[4392]	1008	! c_iso same init for isotopes. Externalisation?
[3999]	1009
	1010	IF (zneb(i).EQ.seuil_neb) THEN
[4072]	1011	zprecip = 0.0
	1012	zsnow = 0.0
	1013	zrain= 0.0
[3999]	1014	ELSE
[4420]	1015
[3999]	1016	IF (ptconv(i,k)) THEN ! if convective point
	1017	zcl=cld_lc_con
	1018	zct=1./cld_tau_con
[4559]	1019	zexpo=cld_expo_con
	1020	ffallv=ffallv_con
[3999]	1021	ELSE
	1022	zcl=cld_lc_lsc
	1023	zct=1./cld_tau_lsc
[4559]	1024	zexpo=cld_expo_lsc
	1025	ffallv=ffallv_lsc
[3999]	1026	ENDIF
	1027
[4559]	1028
[3999]	1029	! if vertical heterogeneity is taken into account, we use
	1030	! the "true" volume fraction instead of a modified
	1031	! surface fraction (which is larger and artificially
	1032	! reduces the in-cloud water).
[4072]	1033
[4559]	1034	! Liquid water quantity to remove: zchau (Sundqvist, 1978)
	1035	! dqliq/dt=-qliq/tau(1-exp(-qcin/clw)*2)
	1036	!.........................................................
[3999]	1037	IF ((iflag_cloudth_vert.GE.3).AND.(iflag_rain_incloud_vol.EQ.1)) THEN
	1038
[4420]	1039	! if vertical heterogeneity is taken into account, we use
	1040	! the "true" volume fraction instead of a modified
	1041	! surface fraction (which is larger and artificially
	1042	! reduces the in-cloud water).
[4559]	1043	effective_zneb=ctot_vol(i,k)
	1044	ELSE
	1045	effective_zneb=zneb(i)
	1046	ENDIF
[4420]	1047
	1048
[4559]	1049	IF (iflag_autoconversion .EQ. 2) THEN
	1050	! two-steps resolution with niter_lscp=1 sufficient
	1051	! we first treat the second term (with exponential) in an explicit way
	1052	! and then treat the first term (-q/tau) in an exact way
	1053	zchau=zoliql(i)(1.-exp(-dtime/REAL(niter_lscp)zct &
	1054	(1.-exp(-(zoliql(i)/effective_zneb/zcl)*zexpo))))
[4420]	1055	ELSE
[4559]	1056	! old explicit resolution with subtimesteps
	1057	zchau = zctdtime/REAL(niter_lscp)zoliql(i) &
	1058	(1.0-EXP(-(zoliql(i)/effective_zneb/zcl)*zexpo))
[4420]	1059	ENDIF
	1060
	1061
[4559]	1062	! Ice water quantity to remove (Zender & Kiehl, 1997)
	1063	! dqice/dt=1/rhod(rhowice*qice)/dz
	1064	!....................................
	1065	IF (iflag_autoconversion .EQ. 2) THEN
	1066	! exact resolution, niter_lscp=1 is sufficient but works only
	1067	! with iflag_vice=0
	1068	IF (zoliqi(i) .GT. 0.) THEN
	1069	zfroi=(zoliqi(i)-((zoliqi(i)**(-dice_velo)) &
	1070	+dice_velodtime/REAL(niter_lscp)cice_velo/zdz(i)ffallv)*(-1./dice_velo))
	1071	ELSE
	1072	zfroi=0.
	1073	ENDIF
	1074	ELSE
	1075	! old explicit resolution with subtimesteps
	1076	zfroi = dtime/REAL(niter_lscp)/zdz(i)zoliqi(i)velo(i,k)
	1077	ENDIF
	1078
[4397]	1079	zrain = MIN(MAX(zchau,0.0),zoliql(i))
	1080	zsnow = MIN(MAX(zfroi,0.0),zoliqi(i))
[4072]	1081	zprecip = MAX(zrain + zsnow,0.0)
[3999]	1082
	1083	ENDIF
[4226]	1084
[4559]	1085	IF (iflag_autoconversion .GE. 1) THEN
	1086	! debugged version with phase conservation through the autoconversion process
	1087	zoliql(i) = MAX(zoliql(i)-1.*zrain , 0.0)
	1088	zoliqi(i) = MAX(zoliqi(i)-1.*zsnow , 0.0)
	1089	zoliq(i) = MAX(zoliq(i)-zprecip , 0.0)
	1090	ELSE
	1091	! bugged version with phase resetting
	1092	zoliql(i) = MAX(zoliq(i)(1.-zfice(i))-1.zrain , 0.0)
	1093	zoliqi(i) = MAX(zoliq(i)zfice(i)-1.zsnow , 0.0)
	1094	zoliq(i) = MAX(zoliq(i)-zprecip , 0.0)
	1095	ENDIF
[3999]	1096
[4392]	1097	! c_iso: call isotope_conversion (for readibility) or duplicate
	1098
[4559]	1099	radocond(i,k) = radocond(i,k) + zoliq(i)/REAL(niter_lscp+1)
	1100	radocondl(i,k) = radocondl(i,k) + zoliql(i)/REAL(niter_lscp+1)
	1101	radocondi(i,k) = radocondi(i,k) + zoliqi(i)/REAL(niter_lscp+1)
[4226]	1102
[4072]	1103	ENDIF ! rneb >0
[3999]	1104
	1105	ENDDO ! i = 1,klon
	1106
	1107	ENDDO ! n = 1,niter
	1108
[4072]	1109	! Precipitation flux calculation
[3999]	1110
	1111	DO i = 1, klon
[4380]	1112
[4563]	1113	IF (iflag_evap_prec.GE.4) THEN
[4380]	1114	ziflprev(i)=ziflcld(i)
	1115	ELSE
	1116	ziflprev(i)=zifl(i)*zneb(i)
	1117	ENDIF
[3999]	1118
	1119	IF (rneb(i,k) .GT. 0.0) THEN
	1120
[4072]	1121	! CR&JYG: We account for the Wegener-Findeisen-Bergeron process in the precipitation flux:
	1122	! If T<0C, liquid precip are converted into ice, which leads to an increase in
	1123	! temperature DeltaT. The effect of DeltaT on condensates and precipitation is roughly
	1124	! taken into account through a linearization of the equations and by approximating
	1125	! the liquid precipitation process with a "threshold" process. We assume that
	1126	! condensates are not modified during this operation. Liquid precipitation is
	1127	! removed (in the limit DeltaT<273.15-T). Solid precipitation increases.
	1128	! Water vapor increases as well
	1129	! Note that compared to fisrtilp, we always assume iflag_bergeron=2
	1130
	1131	zqpreci(i)=(zcond(i)-zoliq(i))*zfice(i)
	1132	zqprecl(i)=(zcond(i)-zoliq(i))*(1.-zfice(i))
	1133	zcp=RCPD(1.0+RVTMP2(zq(i)+zmqc(i)+zcond(i)))
	1134	coef1 = rneb(i,k)RLSTT/zcpzdqsdT_raw(i)
	1135	! Computation of DT if all the liquid precip freezes
	1136	DeltaT = RLMLTzqprecl(i) / (zcp(1.+coef1))
	1137	! T should not exceed the freezing point
	1138	! that is Delta > RTT-zt(i)
	1139	DeltaT = max( min( RTT-zt(i), DeltaT) , 0. )
	1140	zt(i) = zt(i) + DeltaT
	1141	! water vaporization due to temp. increase
	1142	Deltaq = rneb(i,k)zdqsdT_raw(i)DeltaT
	1143	! we add this vaporized water to the total vapor and we remove it from the precip
	1144	zq(i) = zq(i) + Deltaq
	1145	! The three "max" lines herebelow protect from rounding errors
	1146	zcond(i) = max( zcond(i)- Deltaq, 0. )
	1147	! liquid precipitation converted to ice precip
	1148	Deltaqprecl = -zcp/RLMLT(1.+coef1)DeltaT
	1149	zqprecl(i) = max( zqprecl(i) + Deltaqprecl, 0. )
	1150	! iced water budget
	1151	zqpreci(i) = max (zqpreci(i) - Deltaqprecl - Deltaq, 0.)
[4226]	1152
[4392]	1153	! c_iso : mv here condensation of isotopes + redispatchage en precip
	1154
[4563]	1155	IF (iflag_evap_prec.GE.4) THEN
[4226]	1156	zrflcld(i) = zrflcld(i)+zqprecl(i) &
	1157	(paprs(i,k)-paprs(i,k+1))/(RGdtime)
	1158	ziflcld(i) = ziflcld(i)+ zqpreci(i) &
	1159	(paprs(i,k)-paprs(i,k+1))/(RGdtime)
	1160	znebprecipcld(i) = rneb(i,k)
	1161	zrfl(i) = zrflcld(i) + zrflclr(i)
	1162	zifl(i) = ziflcld(i) + ziflclr(i)
	1163	ELSE
[3999]	1164	zrfl(i) = zrfl(i)+ zqprecl(i) &
	1165	(paprs(i,k)-paprs(i,k+1))/(RGdtime)
	1166	zifl(i) = zifl(i)+ zqpreci(i) &
[4226]	1167	(paprs(i,k)-paprs(i,k+1))/(RGdtime)
[3999]	1168	ENDIF
[4392]	1169	! c_iso : same for isotopes
[3999]	1170
	1171	ENDIF ! rneb>0
	1172
	1173	ENDDO
	1174
[4226]	1175	! LTP: limit of surface cloud fraction covered by precipitation when the local intensity of the flux is below rain_int_min
[4563]	1176	! if iflag_evap_prec>=4
	1177	IF (iflag_evap_prec.GE.4) THEN
[4114]	1178
[4226]	1179	DO i=1,klon
[4114]	1180
[4226]	1181	IF ((zrflclr(i) + ziflclr(i)) .GT. 0. ) THEN
[3999]	1182	znebprecipclr(i) = min(znebprecipclr(i),max(zrflclr(i)/ &
	1183	(MAX(znebprecipclr(i),seuil_neb)rain_int_min), ziflclr(i)/(MAX(znebprecipclr(i),seuil_neb)rain_int_min)))
	1184	ELSE
[4226]	1185	znebprecipclr(i)=0.0
	1186	ENDIF
	1187
	1188	IF ((zrflcld(i) + ziflcld(i)) .GT. 0.) THEN
[3999]	1189	znebprecipcld(i) = min(znebprecipcld(i), max(zrflcld(i)/ &
	1190	(MAX(znebprecipcld(i),seuil_neb)rain_int_min), ziflcld(i)/(MAX(znebprecipcld(i),seuil_neb)rain_int_min)))
[4226]	1191	ELSE
	1192	znebprecipcld(i)=0.0
	1193	ENDIF
[3999]	1194
[4226]	1195	ENDDO
[3999]	1196
[4559]	1197
[4226]	1198	ENDIF
[3999]	1199
	1200	! End of precipitation formation
	1201	! --------------------------------
	1202
	1203	! Outputs:
	1204	! Precipitation fluxes at layer interfaces
[4530]	1205	! + precipitation fractions +
	1206	! temperature and water species tendencies
[3999]	1207	DO i = 1, klon
	1208	psfl(i,k)=zifl(i)
	1209	prfl(i,k)=zrfl(i)
[4530]	1210	pfraclr(i,k)=znebprecipclr(i)
	1211	pfracld(i,k)=znebprecipcld(i)
[4072]	1212	d_ql(i,k) = (1-zfice(i))*zoliq(i)
	1213	d_qi(i,k) = zfice(i)*zoliq(i)
[4686]	1214	d_q(i,k) = zq(i) - qt(i,k)
[4392]	1215	! c_iso: same for isotopes
[4654]	1216	d_t(i,k) = zt(i) - temp(i,k)
[3999]	1217	ENDDO
	1218
[4114]	1219	! Calculation of the concentration of condensates seen by the radiation scheme
[4412]	1220	! for liquid phase, we take radocondl
	1221	! for ice phase, we take radocondi if we neglect snowfall, otherwise (ok_radocond_snow=true)
	1222	! we recaulate radocondi to account for contributions from the precipitation flux
[3999]	1223
[4412]	1224	IF ((ok_radocond_snow) .AND. (k .LT. klev)) THEN
[4114]	1225	! for the solid phase (crystals + snowflakes)
[4412]	1226	! we recalculate radocondi by summing
[4114]	1227	! the ice content calculated in the mesh
	1228	! + the contribution of the non-evaporated snowfall
	1229	! from the overlying layer
	1230	DO i=1,klon
	1231	IF (ziflprev(i) .NE. 0.0) THEN
[4412]	1232	radocondi(i,k)=zoliq(i)*zfice(i)+zqpreci(i)+ziflprev(i)/zrho(i,k+1)/velo(i,k+1)
[4114]	1233	ELSE
[4412]	1234	radocondi(i,k)=zoliq(i)*zfice(i)+zqpreci(i)
[4114]	1235	ENDIF
[4412]	1236	radocond(i,k)=radocondl(i,k)+radocondi(i,k)
[4114]	1237	ENDDO
	1238	ENDIF
	1239
[4412]	1240	! caculate the percentage of ice in "radocond" so cloud+precip seen by the radiation scheme
[4114]	1241	DO i=1,klon
[4412]	1242	IF (radocond(i,k) .GT. 0.) THEN
	1243	radicefrac(i,k)=MIN(MAX(radocondi(i,k)/radocond(i,k),0.),1.)
[4114]	1244	ENDIF
	1245	ENDDO
	1246
[3999]	1247	! ----------------------------------------------------------------
	1248	! P4> Wet scavenging
	1249	! ----------------------------------------------------------------
	1250
	1251	!Scavenging through nucleation in the layer
	1252
	1253	DO i = 1,klon
	1254
	1255	IF(zcond(i).GT.zoliq(i)+1.e-10) THEN
	1256	beta(i,k) = (zcond(i)-zoliq(i))/zcond(i)/dtime
	1257	ELSE
	1258	beta(i,k) = 0.
	1259	ENDIF
	1260
[4059]	1261	zprec_cond(i) = MAX(zcond(i)-zoliq(i),0.0)*(paprs(i,k)-paprs(i,k+1))/RG
[3999]	1262
	1263	IF (rneb(i,k).GT.0.0.AND.zprec_cond(i).GT.0.) THEN
	1264
[4654]	1265	IF (temp(i,k) .GE. t_glace_min) THEN
[3999]	1266	zalpha_tr = a_tr_sca(3)
	1267	ELSE
	1268	zalpha_tr = a_tr_sca(4)
	1269	ENDIF
	1270
	1271	zfrac_lessi = 1. - EXP(zalpha_tr*zprec_cond(i)/zneb(i))
	1272	frac_nucl(i,k)= 1.-zneb(i)*zfrac_lessi
[4226]	1273
[3999]	1274	! Nucleation with a factor of -1 instead of -0.5
	1275	zfrac_lessi = 1. - EXP(-zprec_cond(i)/zneb(i))
	1276
	1277	ENDIF
	1278
[4226]	1279	ENDDO
	1280
[3999]	1281	! Scavenging through impaction in the underlying layer
	1282
	1283	DO kk = k-1, 1, -1
	1284
	1285	DO i = 1, klon
	1286
	1287	IF (rneb(i,k).GT.0.0.AND.zprec_cond(i).GT.0.) THEN
	1288
[4654]	1289	IF (temp(i,kk) .GE. t_glace_min) THEN
[3999]	1290	zalpha_tr = a_tr_sca(1)
	1291	ELSE
	1292	zalpha_tr = a_tr_sca(2)
	1293	ENDIF
	1294
	1295	zfrac_lessi = 1. - EXP(zalpha_tr*zprec_cond(i)/zneb(i))
	1296	frac_impa(i,kk)= 1.-zneb(i)*zfrac_lessi
	1297
	1298	ENDIF
	1299
	1300	ENDDO
	1301
	1302	ENDDO
[4226]	1303
[4072]	1304	!--save some variables for ice supersaturation
[4059]	1305	!
	1306	DO i = 1, klon
[4072]	1307	! for memory
[4059]	1308	rneb_seri(i,k) = rneb(i,k)
[3999]	1309
[4072]	1310	! for diagnostics
[4059]	1311	rnebclr(i,k) = 1.0 - rneb(i,k) - rnebss(i,k)
[3999]	1312
[4059]	1313	qvc(i,k) = zqs(i) * rneb(i,k)
[4072]	1314	qclr(i,k) = MAX(1.e-10,zq(i) - qvc(i,k) - qss(i,k)) !--added by OB because of pathologic cases with the lognormal
[4059]	1315	qcld(i,k) = qvc(i,k) + zcond(i)
[4226]	1316	ENDDO
[4072]	1317	!q_sat
[4380]	1318	CALL calc_qsat_ecmwf(klon,Tbef(:),qzero(:),pplay(:,k),RTT,1,.false.,qsatl(:,k),zdqs(:))
	1319	CALL calc_qsat_ecmwf(klon,Tbef(:),qzero(:),pplay(:,k),RTT,2,.false.,qsats(:,k),zdqs(:))
[4059]	1320
[4226]	1321	ENDDO
[4059]	1322
[3999]	1323	!======================================================================
	1324	! END OF VERTICAL LOOP
	1325	!======================================================================
	1326
	1327	! Rain or snow at the surface (depending on the first layer temperature)
	1328	DO i = 1, klon
	1329	snow(i) = zifl(i)
	1330	rain(i) = zrfl(i)
[4392]	1331	! c_iso final output
[3999]	1332	ENDDO
	1333
	1334	IF (ncoreczq>0) THEN
	1335	WRITE(lunout,*)'WARNING : ZQ in LSCP ',ncoreczq,' val < 1.e-15.'
	1336	ENDIF
	1337
[4654]	1338
	1339	RETURN
	1340
[4380]	1341	END SUBROUTINE lscp
[3999]	1342	!+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
	1343
[4664]	1344	END MODULE lmdz_lscp

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