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cosp.F90 @ 1355

Last change on this file since 1355 was 1327, checked in by yann meurdesoif, 15 years ago
parallelisation COSP YM
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[1262]	1	! (c) British Crown Copyright 2008, the Met Office.
	2	! All rights reserved.
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	5	! provided that the following conditions are met:
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	8	! of conditions and the following disclaimer.
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	24
	25	MODULE MOD_COSP
	26	USE MOD_COSP_TYPES
	27	USE MOD_COSP_SIMULATOR
[1327]	28	USE mod_phys_lmdz_para
	29	USE mod_grid_phy_lmdz
[1262]	30	IMPLICIT NONE
	31
	32	CONTAINS
	33
	34
	35	!%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
	36	!--------------------- SUBROUTINE COSP ---------------------------
	37	!%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
	38	SUBROUTINE COSP(overlap,Ncolumns,cfg,vgrid,gbx,sgx,sgradar,sglidar,isccp,misr,stradar,stlidar)
	39
	40	! Arguments
	41	integer,intent(in) :: overlap ! overlap type in SCOPS: 1=max, 2=rand, 3=max/rand
	42	integer,intent(in) :: Ncolumns
	43	type(cosp_config),intent(in) :: cfg ! Configuration options
	44	type(cosp_vgrid),intent(in) :: vgrid ! Information on vertical grid of stats
	45	type(cosp_gridbox),intent(inout) :: gbx
	46	type(cosp_subgrid),intent(inout) :: sgx ! Subgrid info
	47	type(cosp_sgradar),intent(inout) :: sgradar ! Output from radar simulator
	48	type(cosp_sglidar),intent(inout) :: sglidar ! Output from lidar simulator
	49	type(cosp_isccp),intent(inout) :: isccp ! Output from ISCCP simulator
	50	type(cosp_misr),intent(inout) :: misr ! Output from MISR simulator
	51	type(cosp_radarstats),intent(inout) :: stradar ! Summary statistics from radar simulator
	52	type(cosp_lidarstats),intent(inout) :: stlidar ! Summary statistics from lidar simulator
	53
	54	! Local variables
	55	integer :: Npoints ! Number of gridpoints
	56	integer :: Nlevels ! Number of levels
	57	integer :: Nhydro ! Number of hydrometeors
	58	integer :: Niter ! Number of calls to cosp_simulator
	59	integer :: i_first,i_last ! First and last gridbox to be processed in each iteration
	60	integer :: i,j,k,Ni
	61	integer,dimension(2) :: ix,iy
	62	logical :: reff_zero
	63	real :: minv,maxv
	64	real :: maxp,minp
[1327]	65	integer,dimension(:),save, allocatable :: & ! Dimensions nPoints
[1262]	66	seed ! It is recommended that the seed is set to a different value for each model
	67	! gridbox it is called on, as it is possible that the choice of the same
	68	! seed value every time may introduce some statistical bias in the results,
	69	! particularly for low values of NCOL.
[1327]	70	!$OMP THREADPRIVATE(seed)
	71	real,dimension(:),allocatable :: rseed ! It is recommended that the seed is set to a different value for each model
[1262]	72	! Types used in one iteration
	73	type(cosp_gridbox) :: gbx_it
	74	type(cosp_subgrid) :: sgx_it
	75	type(cosp_vgrid) :: vgrid_it
	76	type(cosp_sgradar) :: sgradar_it
	77	type(cosp_sglidar) :: sglidar_it
	78	type(cosp_isccp) :: isccp_it
	79	type(cosp_misr) :: misr_it
	80	type(cosp_radarstats) :: stradar_it
	81	type(cosp_lidarstats) :: stlidar_it
	82
[1327]	83	logical,save :: first_cosp=.TRUE.
	84	!$OMP THREADPRIVATE(first_cosp)
	85
[1262]	86	!++++++++++ Dimensions ++++++++++++
	87	Npoints = gbx%Npoints
	88	Nlevels = gbx%Nlevels
	89	Nhydro = gbx%Nhydro
	90
	91	!++++++++++ Apply sanity checks to inputs ++++++++++
	92	! call cosp_check_input('longitude',gbx%longitude,min_val=0.0,max_val=360.0)
	93	call cosp_check_input('longitude',gbx%longitude,min_val=-180.0,max_val=180.0)
	94	call cosp_check_input('latitude',gbx%latitude,min_val=-90.0,max_val=90.0)
	95	call cosp_check_input('dlev',gbx%dlev,min_val=0.0)
	96	call cosp_check_input('p',gbx%p,min_val=0.0)
	97	call cosp_check_input('ph',gbx%ph,min_val=0.0)
	98	call cosp_check_input('T',gbx%T,min_val=0.0)
	99	call cosp_check_input('q',gbx%q,min_val=0.0)
	100	call cosp_check_input('sh',gbx%sh,min_val=0.0)
	101	call cosp_check_input('dtau_s',gbx%dtau_s,min_val=0.0)
	102	call cosp_check_input('dtau_c',gbx%dtau_c,min_val=0.0)
	103	call cosp_check_input('dem_s',gbx%dem_s,min_val=0.0,max_val=1.0)
	104	call cosp_check_input('dem_c',gbx%dem_c,min_val=0.0,max_val=1.0)
	105	! Point information (Npoints)
	106	call cosp_check_input('land',gbx%land,min_val=0.0,max_val=1.0)
	107	call cosp_check_input('psfc',gbx%psfc,min_val=0.0)
	108	call cosp_check_input('sunlit',gbx%sunlit,min_val=0.0,max_val=1.0)
	109	call cosp_check_input('skt',gbx%skt,min_val=0.0)
	110	! TOTAL and CONV cloud fraction for SCOPS
	111	call cosp_check_input('tca',gbx%tca,min_val=0.0,max_val=1.0)
	112	call cosp_check_input('cca',gbx%cca,min_val=0.0,max_val=1.0)
	113	! Precipitation fluxes on model levels
	114	call cosp_check_input('rain_ls',gbx%rain_ls,min_val=0.0)
	115	call cosp_check_input('rain_cv',gbx%rain_cv,min_val=0.0)
	116	call cosp_check_input('snow_ls',gbx%snow_ls,min_val=0.0)
	117	call cosp_check_input('snow_cv',gbx%snow_cv,min_val=0.0)
	118	call cosp_check_input('grpl_ls',gbx%grpl_ls,min_val=0.0)
	119	! Hydrometeors concentration and distribution parameters
	120	call cosp_check_input('mr_hydro',gbx%mr_hydro,min_val=0.0)
	121	! Effective radius [m]. (Npoints,Nlevels,Nhydro)
	122	call cosp_check_input('Reff',gbx%Reff,min_val=0.0)
	123	reff_zero=.true.
	124	if (any(gbx%Reff > 1.e-8)) then
	125	reff_zero=.false.
	126	! reff_zero == .false.
	127	! and gbx%use_reff == .true. Reff use in radar and lidar
	128	! and reff_zero == .false. Reff use in lidar and set to 0 for radar
	129	endif
	130	if ((gbx%use_reff) .and. (reff_zero)) then ! Inconsistent choice. Want to use Reff but not inputs passed
	131	print *, '---------- COSP ERROR ------------'
	132	print *, ''
	133	print *, 'use_reff==.true. but Reff is always zero'
	134	print *, ''
	135	print *, '----------------------------------'
	136	stop
	137	endif
	138	if ((.not. gbx%use_reff) .and. (reff_zero)) then ! No Reff in radar. Default in lidar
	139	gbx%Reff = DEFAULT_LIDAR_REFF
	140	print *, '---------- COSP WARNING ------------'
	141	print *, ''
	142	print *, 'Using default Reff in lidar simulations'
	143	print *, ''
	144	print *, '----------------------------------'
	145	endif
	146
	147	! Aerosols concentration and distribution parameters
	148	call cosp_check_input('conc_aero',gbx%conc_aero,min_val=0.0)
	149	! Checks for CRM mode
	150	if (Ncolumns == 1) then
	151	if (gbx%use_precipitation_fluxes) then
	152	print *, '---------- COSP ERROR ------------'
	153	print *, ''
	154	print *, 'Use of precipitation fluxes not supported in CRM mode (Ncolumns=1)'
	155	print *, ''
	156	print *, '----------------------------------'
	157	stop
	158	endif
	159	if ((maxval(gbx%dtau_c) > 0.0).or.(maxval(gbx%dem_c) > 0.0)) then
	160	print *, '---------- COSP ERROR ------------'
	161	print *, ''
	162	print *, ' dtau_c > 0.0 or dem_c > 0.0. In CRM mode (Ncolumns=1), '
	163	print *, ' the optical depth (emmisivity) of all clouds must be '
	164	print *, ' passed through dtau_s (dem_s)'
	165	print *, ''
	166	print *, '----------------------------------'
	167	stop
	168	endif
	169	endif
	170
[1327]	171	if (first_cosp) then
[1262]	172	! We base the seed in the decimal part of the surface pressure.
[1327]	173	allocate(seed(Npoints))
	174
	175	allocate(rseed(klon_glo))
	176	CALL gather(gbx%psfc,rseed)
	177	call bcast(rseed)
	178	! seed = int(gbx%psfc) ! This is to avoid division by zero when Npoints = 1
[1262]	179	! Roj Oct/2008 ... Note: seed value of 0 caused me some problems + I want to
	180	! randomize for each call to COSP even when Npoints ==1
[1327]	181	minp = minval(rseed)
	182	maxp = maxval(rseed)
	183
	184	if (Npoints .gt. 1) THEN
	185	seed=int((gbx%psfc-minp)/(maxp-minp)*100000) + 1
	186	else
	187	seed=int(gbx%psfc-minp)
	188	endif
[1262]	189
[1327]	190	deallocate(rseed)
	191	first_cosp=.false.
	192	endif
	193
[1262]	194	if (gbx%Npoints_it >= gbx%Npoints) then ! One iteration gbx%Npoints
	195	call cosp_iter(overlap,seed,cfg,vgrid,gbx,sgx,sgradar,sglidar,isccp,misr,stradar,stlidar)
	196	else ! Several iterations to save memory
	197	Niter = gbx%Npoints/gbx%Npoints_it ! Integer division
	198	if (Niter*gbx%Npoints_it < gbx%Npoints) Niter = Niter + 1
	199	do i=1,Niter
	200	i_first = (i-1)*gbx%Npoints_it + 1
	201	i_last = i_first + gbx%Npoints_it - 1
	202	i_last = min(i_last,gbx%Npoints)
	203	Ni = i_last - i_first + 1
	204	if (i == 1) then
	205	! Allocate types for all but last iteration
	206	call construct_cosp_gridbox(gbx%time,gbx%radar_freq,gbx%surface_radar,gbx%use_mie_tables,gbx%use_gas_abs, &
	207	gbx%do_ray,gbx%melt_lay,gbx%k2,Ni,Nlevels,Ncolumns,N_HYDRO,gbx%Nprmts_max_hydro, &
	208	gbx%Naero,gbx%Nprmts_max_aero,Ni,gbx%lidar_ice_type,gbx%isccp_top_height, &
	209	gbx%isccp_top_height_direction,gbx%isccp_overlap,gbx%isccp_emsfc_lw, &
	210	gbx%use_precipitation_fluxes,gbx%use_reff, &
	211	gbx%plat,gbx%sat,gbx%inst,gbx%nchan,gbx%ZenAng, &
	212	gbx%Ichan(1:gbx%nchan),gbx%surfem(1:gbx%nchan), &
	213	gbx%co2,gbx%ch4,gbx%n2o,gbx%co, &
	214	gbx_it)
	215	call construct_cosp_vgrid(gbx_it,vgrid%Nlvgrid,vgrid%use_vgrid,vgrid%csat_vgrid,vgrid_it)
	216	call construct_cosp_subgrid(Ni, Ncolumns, Nlevels, sgx_it)
	217	call construct_cosp_sgradar(cfg,Ni,Ncolumns,Nlevels,N_HYDRO,sgradar_it)
	218	call construct_cosp_sglidar(cfg,Ni,Ncolumns,Nlevels,N_HYDRO,PARASOL_NREFL,sglidar_it)
	219	call construct_cosp_isccp(cfg,Ni,Ncolumns,Nlevels,isccp_it)
	220	call construct_cosp_misr(cfg,Ni,misr_it)
	221	call construct_cosp_radarstats(cfg,Ni,Ncolumns,vgrid%Nlvgrid,N_HYDRO,stradar_it)
	222	call construct_cosp_lidarstats(cfg,Ni,Ncolumns,vgrid%Nlvgrid,N_HYDRO,PARASOL_NREFL,stlidar_it)
	223	elseif (i == Niter) then ! last iteration
	224	call free_cosp_gridbox(gbx_it,.true.)
	225	call free_cosp_subgrid(sgx_it)
	226	call free_cosp_vgrid(vgrid_it)
	227	call free_cosp_sgradar(sgradar_it)
	228	call free_cosp_sglidar(sglidar_it)
	229	call free_cosp_isccp(isccp_it)
	230	call free_cosp_misr(misr_it)
	231	call free_cosp_radarstats(stradar_it)
	232	call free_cosp_lidarstats(stlidar_it)
	233	! Allocate types for iterations
	234	call construct_cosp_gridbox(gbx%time,gbx%radar_freq,gbx%surface_radar,gbx%use_mie_tables,gbx%use_gas_abs, &
	235	gbx%do_ray,gbx%melt_lay,gbx%k2,Ni,Nlevels,Ncolumns,N_HYDRO,gbx%Nprmts_max_hydro, &
	236	gbx%Naero,gbx%Nprmts_max_aero,Ni,gbx%lidar_ice_type,gbx%isccp_top_height, &
	237	gbx%isccp_top_height_direction,gbx%isccp_overlap,gbx%isccp_emsfc_lw, &
	238	gbx%use_precipitation_fluxes,gbx%use_reff, &
	239	gbx%plat,gbx%sat,gbx%inst,gbx%nchan,gbx%ZenAng, &
	240	gbx%Ichan(1:gbx%nchan),gbx%surfem(1:gbx%nchan), &
	241	gbx%co2,gbx%ch4,gbx%n2o,gbx%co, &
	242	gbx_it)
	243	! --- Copy arrays without Npoints as dimension ---
	244	gbx_it%dist_prmts_hydro = gbx%dist_prmts_hydro
	245	gbx_it%dist_type_aero = gbx_it%dist_type_aero
	246	call construct_cosp_vgrid(gbx_it,vgrid%Nlvgrid,vgrid%use_vgrid,vgrid%csat_vgrid,vgrid_it)
	247	call construct_cosp_subgrid(Ni, Ncolumns, Nlevels, sgx_it)
	248	call construct_cosp_sgradar(cfg,Ni,Ncolumns,Nlevels,N_HYDRO,sgradar_it)
	249	call construct_cosp_sglidar(cfg,Ni,Ncolumns,Nlevels,N_HYDRO,PARASOL_NREFL,sglidar_it)
	250	call construct_cosp_isccp(cfg,Ni,Ncolumns,Nlevels,isccp_it)
	251	call construct_cosp_misr(cfg,Ni,misr_it)
	252	call construct_cosp_radarstats(cfg,Ni,Ncolumns,vgrid%Nlvgrid,N_HYDRO,stradar_it)
	253	call construct_cosp_lidarstats(cfg,Ni,Ncolumns,vgrid%Nlvgrid,N_HYDRO,PARASOL_NREFL,stlidar_it)
	254	endif
	255	! --- Copy sections of arrays with Npoints as dimension ---
	256	ix=(/i_first,i_last/)
	257	iy=(/1,Ni/)
	258	call cosp_gridbox_cpsection(ix,iy,gbx,gbx_it)
	259	! These serve as initialisation of *_it types
	260	call cosp_subgrid_cpsection(ix,iy,sgx,sgx_it)
	261	if (cfg%Lradar_sim) call cosp_sgradar_cpsection(ix,iy,sgradar,sgradar_it)
	262	if (cfg%Llidar_sim) call cosp_sglidar_cpsection(ix,iy,sglidar,sglidar_it)
	263	if (cfg%Lisccp_sim) call cosp_isccp_cpsection(ix,iy,isccp,isccp_it)
	264	if (cfg%Lmisr_sim) call cosp_misr_cpsection(ix,iy,misr,misr_it)
	265	if (cfg%Lradar_sim) call cosp_radarstats_cpsection(ix,iy,stradar,stradar_it)
	266	if (cfg%Llidar_sim) call cosp_lidarstats_cpsection(ix,iy,stlidar,stlidar_it)
	267	print *,'---------ix: ',ix
	268	call cosp_iter(overlap,seed(ix(1):ix(2)),cfg,vgrid_it,gbx_it,sgx_it,sgradar_it, &
	269	sglidar_it,isccp_it,misr_it,stradar_it,stlidar_it)
	270
	271	! --- Copy results to output structures ---
	272	! call cosp_gridbox_cphp(gbx_it,gbx)
	273	ix=(/1,Ni/)
	274	iy=(/i_first,i_last/)
	275	call cosp_subgrid_cpsection(ix,iy,sgx_it,sgx)
	276	if (cfg%Lradar_sim) call cosp_sgradar_cpsection(ix,iy,sgradar_it,sgradar)
	277	if (cfg%Llidar_sim) call cosp_sglidar_cpsection(ix,iy,sglidar_it,sglidar)
	278	if (cfg%Lisccp_sim) call cosp_isccp_cpsection(ix,iy,isccp_it,isccp)
	279	if (cfg%Lmisr_sim) call cosp_misr_cpsection(ix,iy,misr_it,misr)
	280	if (cfg%Lradar_sim) call cosp_radarstats_cpsection(ix,iy,stradar_it,stradar)
	281	if (cfg%Llidar_sim) call cosp_lidarstats_cpsection(ix,iy,stlidar_it,stlidar)
	282	enddo
	283	! Deallocate types
	284	call free_cosp_gridbox(gbx_it,.true.)
	285	call free_cosp_subgrid(sgx_it)
	286	call free_cosp_vgrid(vgrid_it)
	287	call free_cosp_sgradar(sgradar_it)
	288	call free_cosp_sglidar(sglidar_it)
	289	call free_cosp_isccp(isccp_it)
	290	call free_cosp_misr(misr_it)
	291	call free_cosp_radarstats(stradar_it)
	292	call free_cosp_lidarstats(stlidar_it)
	293	endif
	294
	295
	296	END SUBROUTINE COSP
	297
	298	!%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
	299	!--------------------- SUBROUTINE COSP_ITER ----------------------
	300	!%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
	301	SUBROUTINE COSP_ITER(overlap,seed,cfg,vgrid,gbx,sgx,sgradar,sglidar,isccp,misr,stradar,stlidar)
	302
	303	! Arguments
	304	integer,intent(in) :: overlap ! overlap type in SCOPS: 1=max, 2=rand, 3=max/rand
	305	integer,dimension(:),intent(in) :: seed
	306	type(cosp_config),intent(in) :: cfg ! Configuration options
	307	type(cosp_vgrid),intent(in) :: vgrid ! Information on vertical grid of stats
	308	type(cosp_gridbox),intent(inout) :: gbx
	309	type(cosp_subgrid),intent(inout) :: sgx ! Subgrid info
	310	type(cosp_sgradar),intent(inout) :: sgradar ! Output from radar simulator
	311	type(cosp_sglidar),intent(inout) :: sglidar ! Output from lidar simulator
	312	type(cosp_isccp),intent(inout) :: isccp ! Output from ISCCP simulator
	313	type(cosp_misr),intent(inout) :: misr ! Output from MISR simulator
	314	type(cosp_radarstats),intent(inout) :: stradar ! Summary statistics from radar simulator
	315	type(cosp_lidarstats),intent(inout) :: stlidar ! Summary statistics from lidar simulator
	316
	317	! Local variables
	318	integer :: Npoints ! Number of gridpoints
	319	integer :: Ncolumns ! Number of subcolumns
	320	integer :: Nlevels ! Number of levels
	321	integer :: Nhydro ! Number of hydrometeors
	322	integer :: Niter ! Number of calls to cosp_simulator
	323	integer :: i,j,k
	324	real,dimension(:,:),pointer :: column_frac_out ! Array with one column of frac_out
[1327]	325	integer,parameter :: scops_debug=0 ! set to non-zero value to print out inputs for debugging in SCOPS
	326
[1262]	327	real,dimension(:, :),allocatable :: cca_scops,ls_p_rate,cv_p_rate, &
	328	tca_scops ! Cloud cover in each model level (HORIZONTAL gridbox fraction) of total cloud.
	329	! Levels are from TOA to SURFACE. (nPoints, nLev)
	330	real,dimension(:,:),allocatable :: frac_ls,prec_ls,frac_cv,prec_cv ! Cloud/Precipitation fraction in each model level
	331	! Levels are from SURFACE to TOA
	332	type(cosp_sghydro) :: sghydro ! Subgrid info for hydrometeors en each iteration
	333
	334
	335	!++++++++++ Dimensions ++++++++++++
	336	Npoints = gbx%Npoints
	337	Ncolumns = gbx%Ncolumns
	338	Nlevels = gbx%Nlevels
	339	Nhydro = gbx%Nhydro
	340
	341
	342	!++++++++++ Climate/NWP mode ++++++++++
	343	if (Ncolumns > 1) then
	344	!++++++++++ Subgrid sampling ++++++++++
	345	! Allocate arrays before calling SCOPS
	346	allocate(frac_ls(Npoints,Nlevels),frac_cv(Npoints,Nlevels),prec_ls(Npoints,Nlevels),prec_cv(Npoints,Nlevels))
	347	allocate(tca_scops(Npoints,Nlevels),cca_scops(Npoints,Nlevels), &
	348	ls_p_rate(Npoints,Nlevels),cv_p_rate(Npoints,Nlevels))
	349	! Initialize to zero
	350	frac_ls=0.0
	351	prec_ls=0.0
	352	frac_cv=0.0
	353	prec_cv=0.0
	354	! Cloud fractions for SCOPS from TOA to SFC
	355	tca_scops = gbx%tca(:,Nlevels:1:-1)
	356	cca_scops = gbx%cca(:,Nlevels:1:-1)
	357
	358	! Call to SCOPS
	359	! strat and conv arrays are passed with levels from TOA to SURFACE.
	360	call scops(Npoints,Nlevels,Ncolumns,seed,tca_scops,cca_scops,overlap,sgx%frac_out,scops_debug)
	361
	362	! temporarily use prec_ls/cv to transfer information about precipitation flux into prec_scops
	363	if(gbx%use_precipitation_fluxes) then
	364	ls_p_rate(:,Nlevels:1:-1)=gbx%rain_ls(:,1:Nlevels)+gbx%snow_ls(:,1:Nlevels)+gbx%grpl_ls(:,1:Nlevels)
	365	cv_p_rate(:,Nlevels:1:-1)=gbx%rain_cv(:,1:Nlevels)+gbx%snow_cv(:,1:Nlevels)
	366	else
	367	ls_p_rate(:,Nlevels:1:-1)=gbx%mr_hydro(:,1:Nlevels,I_LSRAIN)+ &
	368	gbx%mr_hydro(:,1:Nlevels,I_LSSNOW)+ &
	369	gbx%mr_hydro(:,1:Nlevels,I_LSGRPL)
	370	cv_p_rate(:,Nlevels:1:-1)=gbx%mr_hydro(:,1:Nlevels,I_CVRAIN)+ &
	371	gbx%mr_hydro(:,1:Nlevels,I_CVSNOW)
	372	endif
	373
	374	call prec_scops(Npoints,Nlevels,Ncolumns,ls_p_rate,cv_p_rate,sgx%frac_out,sgx%prec_frac)
	375
	376	! Precipitation fraction
	377	do j=1,Npoints,1
	378	do k=1,Nlevels,1
	379	do i=1,Ncolumns,1
	380	if (sgx%frac_out (j,i,Nlevels+1-k) .eq. 1) frac_ls(j,k)=frac_ls(j,k)+1.
	381	if (sgx%frac_out (j,i,Nlevels+1-k) .eq. 2) frac_cv(j,k)=frac_cv(j,k)+1.
	382	if (sgx%prec_frac(j,i,Nlevels+1-k) .eq. 1) prec_ls(j,k)=prec_ls(j,k)+1.
	383	if (sgx%prec_frac(j,i,Nlevels+1-k) .eq. 2) prec_cv(j,k)=prec_cv(j,k)+1.
	384	if (sgx%prec_frac(j,i,Nlevels+1-k) .eq. 3) then
	385	prec_cv(j,k)=prec_cv(j,k)+1.
	386	prec_ls(j,k)=prec_ls(j,k)+1.
	387	endif
	388	enddo !i
	389	frac_ls(j,k)=frac_ls(j,k)/Ncolumns
	390	frac_cv(j,k)=frac_cv(j,k)/Ncolumns
	391	prec_ls(j,k)=prec_ls(j,k)/Ncolumns
	392	prec_cv(j,k)=prec_cv(j,k)/Ncolumns
	393	enddo !k
	394	enddo !j
	395
	396	! Levels from SURFACE to TOA.
	397	if (NpointsNcolumnsNlevels < 10000) then
	398	sgx%frac_out(1:Npoints,:,1:Nlevels) = sgx%frac_out(1:Npoints,:,Nlevels:1:-1)
	399	sgx%prec_frac(1:Npoints,:,1:Nlevels) = sgx%prec_frac(1:Npoints,:,Nlevels:1:-1)
	400	else
	401	! This is done within a loop (unvectorized) over nPoints to save memory
	402	do j=1,Npoints
	403	sgx%frac_out(j,:,1:Nlevels) = sgx%frac_out(j,:,Nlevels:1:-1)
	404	sgx%prec_frac(j,:,1:Nlevels) = sgx%prec_frac(j,:,Nlevels:1:-1)
	405	enddo
	406	endif
	407
	408	! Deallocate arrays that will no longer be used
	409	deallocate(tca_scops,cca_scops,ls_p_rate,cv_p_rate)
	410
	411	! Populate the subgrid arrays
	412	call construct_cosp_sghydro(Npoints,Ncolumns,Nlevels,Nhydro,sghydro)
	413	do k=1,Ncolumns
	414	!--------- Mixing ratios for clouds and Reff for Clouds and precip -------
	415	column_frac_out => sgx%frac_out(:,k,:)
	416	where (column_frac_out == 1) !+++++++++++ LS clouds ++++++++
	417	sghydro%mr_hydro(:,k,:,I_LSCLIQ) = gbx%mr_hydro(:,:,I_LSCLIQ)
	418	sghydro%mr_hydro(:,k,:,I_LSCICE) = gbx%mr_hydro(:,:,I_LSCICE)
	419
	420	sghydro%Reff(:,k,:,I_LSCLIQ) = gbx%Reff(:,:,I_LSCLIQ)
	421	sghydro%Reff(:,k,:,I_LSCICE) = gbx%Reff(:,:,I_LSCICE)
	422	sghydro%Reff(:,k,:,I_LSRAIN) = gbx%Reff(:,:,I_LSRAIN)
	423	sghydro%Reff(:,k,:,I_LSSNOW) = gbx%Reff(:,:,I_LSSNOW)
	424	sghydro%Reff(:,k,:,I_LSGRPL) = gbx%Reff(:,:,I_LSGRPL)
	425	elsewhere (column_frac_out == 2) !+++++++++++ CONV clouds ++++++++
	426	sghydro%mr_hydro(:,k,:,I_CVCLIQ) = gbx%mr_hydro(:,:,I_CVCLIQ)
	427	sghydro%mr_hydro(:,k,:,I_CVCICE) = gbx%mr_hydro(:,:,I_CVCICE)
	428
	429	sghydro%Reff(:,k,:,I_CVCLIQ) = gbx%Reff(:,:,I_CVCLIQ)
	430	sghydro%Reff(:,k,:,I_CVCICE) = gbx%Reff(:,:,I_CVCICE)
	431	sghydro%Reff(:,k,:,I_CVRAIN) = gbx%Reff(:,:,I_CVRAIN)
	432	sghydro%Reff(:,k,:,I_CVSNOW) = gbx%Reff(:,:,I_CVSNOW)
	433	end where
	434	!--------- Precip -------
	435	if (.not. gbx%use_precipitation_fluxes) then
	436	where (column_frac_out == 1) !+++++++++++ LS Precipitation ++++++++
	437	sghydro%mr_hydro(:,k,:,I_LSRAIN) = gbx%mr_hydro(:,:,I_LSRAIN)
	438	sghydro%mr_hydro(:,k,:,I_LSSNOW) = gbx%mr_hydro(:,:,I_LSSNOW)
	439	sghydro%mr_hydro(:,k,:,I_LSGRPL) = gbx%mr_hydro(:,:,I_LSGRPL)
	440	elsewhere (column_frac_out == 2) !+++++++++++ CONV Precipitation ++++++++
	441	sghydro%mr_hydro(:,k,:,I_CVRAIN) = gbx%mr_hydro(:,:,I_CVRAIN)
	442	sghydro%mr_hydro(:,k,:,I_CVSNOW) = gbx%mr_hydro(:,:,I_CVSNOW)
	443	end where
	444	endif
	445	enddo
	446	! convert the mixing ratio and precipitation flux from gridbox mean to the fraction-based values
	447	do k=1,Nlevels
	448	do j=1,Npoints
	449	!--------- Clouds -------
	450	if (frac_ls(j,k) .ne. 0.) then
	451	sghydro%mr_hydro(j,:,k,I_LSCLIQ) = sghydro%mr_hydro(j,:,k,I_LSCLIQ)/frac_ls(j,k)
	452	sghydro%mr_hydro(j,:,k,I_LSCICE) = sghydro%mr_hydro(j,:,k,I_LSCICE)/frac_ls(j,k)
	453	endif
	454	if (frac_cv(j,k) .ne. 0.) then
	455	sghydro%mr_hydro(j,:,k,I_CVCLIQ) = sghydro%mr_hydro(j,:,k,I_CVCLIQ)/frac_cv(j,k)
	456	sghydro%mr_hydro(j,:,k,I_CVCICE) = sghydro%mr_hydro(j,:,k,I_CVCICE)/frac_cv(j,k)
	457	endif
	458	!--------- Precip -------
	459	if (gbx%use_precipitation_fluxes) then
	460	if (prec_ls(j,k) .ne. 0.) then
	461	gbx%rain_ls(j,k) = gbx%rain_ls(j,k)/prec_ls(j,k)
	462	gbx%snow_ls(j,k) = gbx%snow_ls(j,k)/prec_ls(j,k)
	463	gbx%grpl_ls(j,k) = gbx%grpl_ls(j,k)/prec_ls(j,k)
	464	endif
	465	if (prec_cv(j,k) .ne. 0.) then
	466	gbx%rain_cv(j,k) = gbx%rain_cv(j,k)/prec_cv(j,k)
	467	gbx%snow_cv(j,k) = gbx%snow_cv(j,k)/prec_cv(j,k)
	468	endif
	469	else
	470	if (prec_ls(j,k) .ne. 0.) then
	471	sghydro%mr_hydro(j,:,k,I_LSRAIN) = sghydro%mr_hydro(j,:,k,I_LSRAIN)/prec_ls(j,k)
	472	sghydro%mr_hydro(j,:,k,I_LSSNOW) = sghydro%mr_hydro(j,:,k,I_LSSNOW)/prec_ls(j,k)
	473	sghydro%mr_hydro(j,:,k,I_LSGRPL) = sghydro%mr_hydro(j,:,k,I_LSGRPL)/prec_ls(j,k)
	474	endif
	475	if (prec_cv(j,k) .ne. 0.) then
	476	sghydro%mr_hydro(j,:,k,I_CVRAIN) = sghydro%mr_hydro(j,:,k,I_CVRAIN)/prec_cv(j,k)
	477	sghydro%mr_hydro(j,:,k,I_CVSNOW) = sghydro%mr_hydro(j,:,k,I_CVSNOW)/prec_cv(j,k)
	478	endif
	479	endif
	480	enddo !k
	481	enddo !j
	482	deallocate(frac_ls,prec_ls,frac_cv,prec_cv)
	483
	484	if (gbx%use_precipitation_fluxes) then
	485	! convert precipitation flux into mixing ratio
	486	call pf_to_mr(Npoints,Nlevels,Ncolumns,gbx%rain_ls,gbx%snow_ls,gbx%grpl_ls, &
	487	gbx%rain_cv,gbx%snow_cv,sgx%prec_frac,gbx%p,gbx%T, &
	488	sghydro%mr_hydro(:,:,:,I_LSRAIN),sghydro%mr_hydro(:,:,:,I_LSSNOW),sghydro%mr_hydro(:,:,:,I_LSGRPL), &
	489	sghydro%mr_hydro(:,:,:,I_CVRAIN),sghydro%mr_hydro(:,:,:,I_CVSNOW))
	490	endif
	491	!++++++++++ CRM mode ++++++++++
	492	else
	493	sghydro%mr_hydro(:,1,:,:) = gbx%mr_hydro
	494	sghydro%Reff(:,1,:,:) = gbx%Reff
	495	!--------- Clouds -------
	496	where ((gbx%dtau_s > 0.0))
	497	sgx%frac_out(:,1,:) = 1 ! Subgrid cloud array. Dimensions (Npoints,Ncolumns,Nlevels)
	498	endwhere
	499	endif ! Ncolumns > 1
	500
	501
	502	!++++++++++ Simulator ++++++++++
	503	call cosp_simulator(gbx,sgx,sghydro,cfg,vgrid,sgradar,sglidar,isccp,misr,stradar,stlidar)
	504
	505	! Deallocate subgrid arrays
	506	call free_cosp_sghydro(sghydro)
	507	END SUBROUTINE COSP_ITER
	508
	509	END MODULE MOD_COSP

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