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cosp.F90 @ 4176

Last change on this file since 4176 was 1414, checked in by idelkadi, 14 years ago
Passage a la version cosp.v1.3 pour le Lidar et ISCCP Corrections de bugs pour ISCCP et optimisation pour le Lidar
File size: 26.4 KB

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1	! (c) British Crown Copyright 2008, the Met Office.
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24
25	!!#include "cosp_defs.h"
26	MODULE MOD_COSP
27	USE MOD_COSP_TYPES
28	USE MOD_COSP_SIMULATOR
29	USE mod_phys_lmdz_para
30	USE mod_grid_phy_lmdz
31	IMPLICIT NONE
32
33	CONTAINS
34
35
36	!%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
37	!--------------------- SUBROUTINE COSP ---------------------------
38	!%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
39	SUBROUTINE COSP(overlap,Ncolumns,cfg,vgrid,gbx,sgx,sgradar,sglidar,isccp,misr,stradar,stlidar)
40
41	! Arguments
42	integer,intent(in) :: overlap ! overlap type in SCOPS: 1=max, 2=rand, 3=max/rand
43	integer,intent(in) :: Ncolumns
44	type(cosp_config),intent(in) :: cfg ! Configuration options
45	type(cosp_vgrid),intent(in) :: vgrid ! Information on vertical grid of stats
46	type(cosp_gridbox),intent(inout) :: gbx
47	type(cosp_subgrid),intent(inout) :: sgx ! Subgrid info
48	type(cosp_sgradar),intent(inout) :: sgradar ! Output from radar simulator
49	type(cosp_sglidar),intent(inout) :: sglidar ! Output from lidar simulator
50	type(cosp_isccp),intent(inout) :: isccp ! Output from ISCCP simulator
51	type(cosp_misr),intent(inout) :: misr ! Output from MISR simulator
52	type(cosp_radarstats),intent(inout) :: stradar ! Summary statistics from radar simulator
53	type(cosp_lidarstats),intent(inout) :: stlidar ! Summary statistics from lidar simulator
54
55	! Local variables
56	integer :: Npoints ! Number of gridpoints
57	integer :: Nlevels ! Number of levels
58	integer :: Nhydro ! Number of hydrometeors
59	integer :: Niter ! Number of calls to cosp_simulator
60	integer :: i_first,i_last ! First and last gridbox to be processed in each iteration
61	integer :: i,j,k,Ni
62	integer,dimension(2) :: ix,iy
63	logical :: reff_zero
64	real :: minv,maxv
65	real :: maxp,minp
66	integer,dimension(:),save, allocatable :: & ! Dimensions nPoints
67	seed ! It is recommended that the seed is set to a different value for each model
68	! gridbox it is called on, as it is possible that the choice of the same
69	! seed value every time may introduce some statistical bias in the results,
70	! particularly for low values of NCOL.
71	!$OMP THREADPRIVATE(seed)
72	real,dimension(:),allocatable :: rseed ! It is recommended that the seed is set to a different value for each model
73	! Types used in one iteration
74	type(cosp_gridbox) :: gbx_it
75	type(cosp_subgrid) :: sgx_it
76	type(cosp_vgrid) :: vgrid_it
77	type(cosp_sgradar) :: sgradar_it
78	type(cosp_sglidar) :: sglidar_it
79	type(cosp_isccp) :: isccp_it
80	type(cosp_misr) :: misr_it
81	type(cosp_radarstats) :: stradar_it
82	type(cosp_lidarstats) :: stlidar_it
83
84	logical,save :: first_cosp=.TRUE.
85	!$OMP THREADPRIVATE(first_cosp)
86
87	!++++++++++ Dimensions ++++++++++++
88	Npoints = gbx%Npoints
89	Nlevels = gbx%Nlevels
90	Nhydro = gbx%Nhydro
91
92	!++++++++++ Apply sanity checks to inputs ++++++++++
93	! call cosp_check_input('longitude',gbx%longitude,min_val=0.0,max_val=360.0)
94	call cosp_check_input('longitude',gbx%longitude,min_val=-180.0,max_val=180.0)
95	call cosp_check_input('latitude',gbx%latitude,min_val=-90.0,max_val=90.0)
96	call cosp_check_input('dlev',gbx%dlev,min_val=0.0)
97	call cosp_check_input('p',gbx%p,min_val=0.0)
98	call cosp_check_input('ph',gbx%ph,min_val=0.0)
99	call cosp_check_input('T',gbx%T,min_val=0.0)
100	call cosp_check_input('q',gbx%q,min_val=0.0)
101	call cosp_check_input('sh',gbx%sh,min_val=0.0)
102	call cosp_check_input('dtau_s',gbx%dtau_s,min_val=0.0)
103	call cosp_check_input('dtau_c',gbx%dtau_c,min_val=0.0)
104	call cosp_check_input('dem_s',gbx%dem_s,min_val=0.0,max_val=1.0)
105	call cosp_check_input('dem_c',gbx%dem_c,min_val=0.0,max_val=1.0)
106	! Point information (Npoints)
107	call cosp_check_input('land',gbx%land,min_val=0.0,max_val=1.0)
108	call cosp_check_input('psfc',gbx%psfc,min_val=0.0)
109	call cosp_check_input('sunlit',gbx%sunlit,min_val=0.0,max_val=1.0)
110	call cosp_check_input('skt',gbx%skt,min_val=0.0)
111	! TOTAL and CONV cloud fraction for SCOPS
112	call cosp_check_input('tca',gbx%tca,min_val=0.0,max_val=1.0)
113	call cosp_check_input('cca',gbx%cca,min_val=0.0,max_val=1.0)
114	! Precipitation fluxes on model levels
115	call cosp_check_input('rain_ls',gbx%rain_ls,min_val=0.0)
116	call cosp_check_input('rain_cv',gbx%rain_cv,min_val=0.0)
117	call cosp_check_input('snow_ls',gbx%snow_ls,min_val=0.0)
118	call cosp_check_input('snow_cv',gbx%snow_cv,min_val=0.0)
119	call cosp_check_input('grpl_ls',gbx%grpl_ls,min_val=0.0)
120	! Hydrometeors concentration and distribution parameters
121	call cosp_check_input('mr_hydro',gbx%mr_hydro,min_val=0.0)
122	! Effective radius [m]. (Npoints,Nlevels,Nhydro)
123	call cosp_check_input('Reff',gbx%Reff,min_val=0.0)
124	reff_zero=.true.
125	if (any(gbx%Reff > 1.e-8)) then
126	reff_zero=.false.
127	! reff_zero == .false.
128	! and gbx%use_reff == .true. Reff use in radar and lidar
129	! and reff_zero == .false. Reff use in lidar and set to 0 for radar
130	endif
131	! if ((gbx%use_reff) .and. (reff_zero)) then ! Inconsistent choice. Want to use Reff but not inputs passed
132	! print *, '---------- COSP ERROR ------------'
133	! print *, ''
134	! print *, 'use_reff==.true. but Reff is always zero'
135	! print *, ''
136	! print *, '----------------------------------'
137	! stop
138	! endif
139	if ((.not. gbx%use_reff) .and. (reff_zero)) then ! No Reff in radar. Default in lidar
140	gbx%Reff = DEFAULT_LIDAR_REFF
141	print *, '---------- COSP WARNING ------------'
142	print *, ''
143	print *, 'Using default Reff in lidar simulations'
144	print *, ''
145	print *, '----------------------------------'
146	endif
147
148	! Aerosols concentration and distribution parameters
149	call cosp_check_input('conc_aero',gbx%conc_aero,min_val=0.0)
150	! Checks for CRM mode
151	if (Ncolumns == 1) then
152	if (gbx%use_precipitation_fluxes) then
153	print *, '---------- COSP ERROR ------------'
154	print *, ''
155	print *, 'Use of precipitation fluxes not supported in CRM mode (Ncolumns=1)'
156	print *, ''
157	print *, '----------------------------------'
158	stop
159	endif
160	if ((maxval(gbx%dtau_c) > 0.0).or.(maxval(gbx%dem_c) > 0.0)) then
161	print *, '---------- COSP ERROR ------------'
162	print *, ''
163	print *, ' dtau_c > 0.0 or dem_c > 0.0. In CRM mode (Ncolumns=1), '
164	print *, ' the optical depth (emmisivity) of all clouds must be '
165	print *, ' passed through dtau_s (dem_s)'
166	print *, ''
167	print *, '----------------------------------'
168	stop
169	endif
170	endif
171
172	if (first_cosp) then
173	! We base the seed in the decimal part of the surface pressure.
174	allocate(seed(Npoints))
175
176	allocate(rseed(klon_glo))
177	CALL gather(gbx%psfc,rseed)
178	call bcast(rseed)
179	! seed = int(gbx%psfc) ! This is to avoid division by zero when Npoints = 1
180	! Roj Oct/2008 ... Note: seed value of 0 caused me some problems + I want to
181	! randomize for each call to COSP even when Npoints ==1
182	minp = minval(rseed)
183	maxp = maxval(rseed)
184
185	if (Npoints .gt. 1) THEN
186	seed=int((gbx%psfc-minp)/(maxp-minp)*100000) + 1
187	else
188	seed=int(gbx%psfc-minp)
189	endif
190
191	deallocate(rseed)
192	first_cosp=.false.
193	endif
194
195	if (gbx%Npoints_it >= gbx%Npoints) then ! One iteration gbx%Npoints
196	call cosp_iter(overlap,seed,cfg,vgrid,gbx,sgx,sgradar,sglidar,isccp,misr,stradar,stlidar)
197	else ! Several iterations to save memory
198	Niter = gbx%Npoints/gbx%Npoints_it ! Integer division
199	if (Niter*gbx%Npoints_it < gbx%Npoints) Niter = Niter + 1
200	do i=1,Niter
201	i_first = (i-1)*gbx%Npoints_it + 1
202	i_last = i_first + gbx%Npoints_it - 1
203	i_last = min(i_last,gbx%Npoints)
204	Ni = i_last - i_first + 1
205	if (i == 1) then
206	! Allocate types for all but last iteration
207	call construct_cosp_gridbox(gbx%time,gbx%radar_freq,gbx%surface_radar,gbx%use_mie_tables,gbx%use_gas_abs, &
208	gbx%do_ray,gbx%melt_lay,gbx%k2,Ni,Nlevels,Ncolumns,N_HYDRO,gbx%Nprmts_max_hydro, &
209	gbx%Naero,gbx%Nprmts_max_aero,Ni,gbx%lidar_ice_type,gbx%isccp_top_height, &
210	gbx%isccp_top_height_direction,gbx%isccp_overlap,gbx%isccp_emsfc_lw, &
211	gbx%use_precipitation_fluxes,gbx%use_reff, &
212	gbx%plat,gbx%sat,gbx%inst,gbx%nchan,gbx%ZenAng, &
213	gbx%Ichan(1:gbx%nchan),gbx%surfem(1:gbx%nchan), &
214	gbx%co2,gbx%ch4,gbx%n2o,gbx%co, &
215	gbx_it)
216	call construct_cosp_vgrid(gbx_it,vgrid%Nlvgrid,vgrid%use_vgrid,vgrid%csat_vgrid,vgrid_it)
217	call construct_cosp_subgrid(Ni, Ncolumns, Nlevels, sgx_it)
218	call construct_cosp_sgradar(cfg,Ni,Ncolumns,Nlevels,N_HYDRO,sgradar_it)
219	call construct_cosp_sglidar(cfg,Ni,Ncolumns,Nlevels,N_HYDRO,PARASOL_NREFL,sglidar_it)
220	call construct_cosp_isccp(cfg,Ni,Ncolumns,Nlevels,isccp_it)
221	call construct_cosp_misr(cfg,Ni,misr_it)
222	call construct_cosp_radarstats(cfg,Ni,Ncolumns,vgrid%Nlvgrid,N_HYDRO,stradar_it)
223	call construct_cosp_lidarstats(cfg,Ni,Ncolumns,vgrid%Nlvgrid,N_HYDRO,PARASOL_NREFL,stlidar_it)
224	elseif (i == Niter) then ! last iteration
225	call free_cosp_gridbox(gbx_it,.true.)
226	call free_cosp_subgrid(sgx_it)
227	call free_cosp_vgrid(vgrid_it)
228	call free_cosp_sgradar(sgradar_it)
229	call free_cosp_sglidar(sglidar_it)
230	call free_cosp_isccp(isccp_it)
231	call free_cosp_misr(misr_it)
232	call free_cosp_radarstats(stradar_it)
233	call free_cosp_lidarstats(stlidar_it)
234	! Allocate types for iterations
235	call construct_cosp_gridbox(gbx%time,gbx%radar_freq,gbx%surface_radar,gbx%use_mie_tables,gbx%use_gas_abs, &
236	gbx%do_ray,gbx%melt_lay,gbx%k2,Ni,Nlevels,Ncolumns,N_HYDRO,gbx%Nprmts_max_hydro, &
237	gbx%Naero,gbx%Nprmts_max_aero,Ni,gbx%lidar_ice_type,gbx%isccp_top_height, &
238	gbx%isccp_top_height_direction,gbx%isccp_overlap,gbx%isccp_emsfc_lw, &
239	gbx%use_precipitation_fluxes,gbx%use_reff, &
240	gbx%plat,gbx%sat,gbx%inst,gbx%nchan,gbx%ZenAng, &
241	gbx%Ichan(1:gbx%nchan),gbx%surfem(1:gbx%nchan), &
242	gbx%co2,gbx%ch4,gbx%n2o,gbx%co, &
243	gbx_it)
244	! --- Copy arrays without Npoints as dimension ---
245	gbx_it%dist_prmts_hydro = gbx%dist_prmts_hydro
246	gbx_it%dist_type_aero = gbx_it%dist_type_aero
247	call construct_cosp_vgrid(gbx_it,vgrid%Nlvgrid,vgrid%use_vgrid,vgrid%csat_vgrid,vgrid_it)
248	call construct_cosp_subgrid(Ni, Ncolumns, Nlevels, sgx_it)
249	call construct_cosp_sgradar(cfg,Ni,Ncolumns,Nlevels,N_HYDRO,sgradar_it)
250	call construct_cosp_sglidar(cfg,Ni,Ncolumns,Nlevels,N_HYDRO,PARASOL_NREFL,sglidar_it)
251	call construct_cosp_isccp(cfg,Ni,Ncolumns,Nlevels,isccp_it)
252	call construct_cosp_misr(cfg,Ni,misr_it)
253	call construct_cosp_radarstats(cfg,Ni,Ncolumns,vgrid%Nlvgrid,N_HYDRO,stradar_it)
254	call construct_cosp_lidarstats(cfg,Ni,Ncolumns,vgrid%Nlvgrid,N_HYDRO,PARASOL_NREFL,stlidar_it)
255	endif
256	! --- Copy sections of arrays with Npoints as dimension ---
257	ix=(/i_first,i_last/)
258	iy=(/1,Ni/)
259	call cosp_gridbox_cpsection(ix,iy,gbx,gbx_it)
260	! These serve as initialisation of *_it types
261	call cosp_subgrid_cpsection(ix,iy,sgx,sgx_it)
262	if (cfg%Lradar_sim) call cosp_sgradar_cpsection(ix,iy,sgradar,sgradar_it)
263	if (cfg%Llidar_sim) call cosp_sglidar_cpsection(ix,iy,sglidar,sglidar_it)
264	if (cfg%Lisccp_sim) call cosp_isccp_cpsection(ix,iy,isccp,isccp_it)
265	if (cfg%Lmisr_sim) call cosp_misr_cpsection(ix,iy,misr,misr_it)
266	if (cfg%Lradar_sim) call cosp_radarstats_cpsection(ix,iy,stradar,stradar_it)
267	if (cfg%Llidar_sim) call cosp_lidarstats_cpsection(ix,iy,stlidar,stlidar_it)
268	print *,'---------ix: ',ix
269	call cosp_iter(overlap,seed(ix(1):ix(2)),cfg,vgrid_it,gbx_it,sgx_it,sgradar_it, &
270	sglidar_it,isccp_it,misr_it,stradar_it,stlidar_it)
271
272	! --- Copy results to output structures ---
273	! call cosp_gridbox_cphp(gbx_it,gbx)
274	ix=(/1,Ni/)
275	iy=(/i_first,i_last/)
276	call cosp_subgrid_cpsection(ix,iy,sgx_it,sgx)
277	if (cfg%Lradar_sim) call cosp_sgradar_cpsection(ix,iy,sgradar_it,sgradar)
278	if (cfg%Llidar_sim) call cosp_sglidar_cpsection(ix,iy,sglidar_it,sglidar)
279	if (cfg%Lisccp_sim) call cosp_isccp_cpsection(ix,iy,isccp_it,isccp)
280	if (cfg%Lmisr_sim) call cosp_misr_cpsection(ix,iy,misr_it,misr)
281	if (cfg%Lradar_sim) call cosp_radarstats_cpsection(ix,iy,stradar_it,stradar)
282	if (cfg%Llidar_sim) call cosp_lidarstats_cpsection(ix,iy,stlidar_it,stlidar)
283	enddo
284	! Deallocate types
285	call free_cosp_gridbox(gbx_it,.true.)
286	call free_cosp_subgrid(sgx_it)
287	call free_cosp_vgrid(vgrid_it)
288	call free_cosp_sgradar(sgradar_it)
289	call free_cosp_sglidar(sglidar_it)
290	call free_cosp_isccp(isccp_it)
291	call free_cosp_misr(misr_it)
292	call free_cosp_radarstats(stradar_it)
293	call free_cosp_lidarstats(stlidar_it)
294	endif
295
296
297	END SUBROUTINE COSP
298
299	!%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
300	!--------------------- SUBROUTINE COSP_ITER ----------------------
301	!%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
302	SUBROUTINE COSP_ITER(overlap,seed,cfg,vgrid,gbx,sgx,sgradar,sglidar,isccp,misr,stradar,stlidar)
303
304	! Arguments
305	integer,intent(in) :: overlap ! overlap type in SCOPS: 1=max, 2=rand, 3=max/rand
306	integer,dimension(:),intent(in) :: seed
307	type(cosp_config),intent(in) :: cfg ! Configuration options
308	type(cosp_vgrid),intent(in) :: vgrid ! Information on vertical grid of stats
309	type(cosp_gridbox),intent(inout) :: gbx
310	type(cosp_subgrid),intent(inout) :: sgx ! Subgrid info
311	type(cosp_sgradar),intent(inout) :: sgradar ! Output from radar simulator
312	type(cosp_sglidar),intent(inout) :: sglidar ! Output from lidar simulator
313	type(cosp_isccp),intent(inout) :: isccp ! Output from ISCCP simulator
314	type(cosp_misr),intent(inout) :: misr ! Output from MISR simulator
315	type(cosp_radarstats),intent(inout) :: stradar ! Summary statistics from radar simulator
316	type(cosp_lidarstats),intent(inout) :: stlidar ! Summary statistics from lidar simulator
317
318	! Local variables
319	integer :: Npoints ! Number of gridpoints
320	integer :: Ncolumns ! Number of subcolumns
321	integer :: Nlevels ! Number of levels
322	integer :: Nhydro ! Number of hydrometeors
323	integer :: Niter ! Number of calls to cosp_simulator
324	integer :: i,j,k
325	integer :: I_HYDRO
326	real,dimension(:,:),pointer :: column_frac_out ! Array with one column of frac_out
327	integer,parameter :: scops_debug=0 ! set to non-zero value to print out inputs for debugging in SCOPS
328
329	real,dimension(:, :),allocatable :: cca_scops,ls_p_rate,cv_p_rate, &
330	tca_scops ! Cloud cover in each model level (HORIZONTAL gridbox fraction) of total cloud.
331	! Levels are from TOA to SURFACE. (nPoints, nLev)
332	real,dimension(:,:),allocatable :: frac_ls,prec_ls,frac_cv,prec_cv ! Cloud/Precipitation fraction in each model level
333	! Levels are from SURFACE to TOA
334	real,dimension(:,:),allocatable :: rho ! (Npoints, Nlevels). Atmospheric dens
335	type(cosp_sghydro) :: sghydro ! Subgrid info for hydrometeors en each iteration
336
337
338	!++++++++++ Dimensions ++++++++++++
339	Npoints = gbx%Npoints
340	Ncolumns = gbx%Ncolumns
341	Nlevels = gbx%Nlevels
342	Nhydro = gbx%Nhydro
343
344
345	!++++++++++ Climate/NWP mode ++++++++++
346	if (Ncolumns > 1) then
347	!++++++++++ Subgrid sampling ++++++++++
348	! Allocate arrays before calling SCOPS
349	allocate(frac_ls(Npoints,Nlevels),frac_cv(Npoints,Nlevels),prec_ls(Npoints,Nlevels),prec_cv(Npoints,Nlevels))
350	allocate(tca_scops(Npoints,Nlevels),cca_scops(Npoints,Nlevels), &
351	ls_p_rate(Npoints,Nlevels),cv_p_rate(Npoints,Nlevels))
352	! Initialize to zero
353	frac_ls=0.0
354	prec_ls=0.0
355	frac_cv=0.0
356	prec_cv=0.0
357	! Cloud fractions for SCOPS from TOA to SFC
358	tca_scops = gbx%tca(:,Nlevels:1:-1)
359	cca_scops = gbx%cca(:,Nlevels:1:-1)
360
361	! Call to SCOPS
362	! strat and conv arrays are passed with levels from TOA to SURFACE.
363	call scops(Npoints,Nlevels,Ncolumns,seed,tca_scops,cca_scops,overlap,sgx%frac_out,scops_debug)
364
365	! temporarily use prec_ls/cv to transfer information about precipitation flux into prec_scops
366	if(gbx%use_precipitation_fluxes) then
367	ls_p_rate(:,Nlevels:1:-1)=gbx%rain_ls(:,1:Nlevels)+gbx%snow_ls(:,1:Nlevels)+gbx%grpl_ls(:,1:Nlevels)
368	cv_p_rate(:,Nlevels:1:-1)=gbx%rain_cv(:,1:Nlevels)+gbx%snow_cv(:,1:Nlevels)
369	else
370	ls_p_rate(:,Nlevels:1:-1)=gbx%mr_hydro(:,1:Nlevels,I_LSRAIN)+ &
371	gbx%mr_hydro(:,1:Nlevels,I_LSSNOW)+ &
372	gbx%mr_hydro(:,1:Nlevels,I_LSGRPL)
373	cv_p_rate(:,Nlevels:1:-1)=gbx%mr_hydro(:,1:Nlevels,I_CVRAIN)+ &
374	gbx%mr_hydro(:,1:Nlevels,I_CVSNOW)
375	endif
376
377	call prec_scops(Npoints,Nlevels,Ncolumns,ls_p_rate,cv_p_rate,sgx%frac_out,sgx%prec_frac)
378
379	! Precipitation fraction
380	do j=1,Npoints,1
381	do k=1,Nlevels,1
382	do i=1,Ncolumns,1
383	if (sgx%frac_out (j,i,Nlevels+1-k) == I_LSC) frac_ls(j,k)=frac_ls(j,k)+1.
384	if (sgx%frac_out (j,i,Nlevels+1-k) == I_CVC) frac_cv(j,k)=frac_cv(j,k)+1.
385	if (sgx%prec_frac(j,i,Nlevels+1-k) .eq. 1) prec_ls(j,k)=prec_ls(j,k)+1.
386	if (sgx%prec_frac(j,i,Nlevels+1-k) .eq. 2) prec_cv(j,k)=prec_cv(j,k)+1.
387	if (sgx%prec_frac(j,i,Nlevels+1-k) .eq. 3) then
388	prec_cv(j,k)=prec_cv(j,k)+1.
389	prec_ls(j,k)=prec_ls(j,k)+1.
390	endif
391	enddo !i
392	frac_ls(j,k)=frac_ls(j,k)/Ncolumns
393	frac_cv(j,k)=frac_cv(j,k)/Ncolumns
394	prec_ls(j,k)=prec_ls(j,k)/Ncolumns
395	prec_cv(j,k)=prec_cv(j,k)/Ncolumns
396	enddo !k
397	enddo !j
398
399	! Levels from SURFACE to TOA.
400	if (NpointsNcolumnsNlevels < 10000) then
401	sgx%frac_out(1:Npoints,:,1:Nlevels) = sgx%frac_out(1:Npoints,:,Nlevels:1:-1)
402	sgx%prec_frac(1:Npoints,:,1:Nlevels) = sgx%prec_frac(1:Npoints,:,Nlevels:1:-1)
403	else
404	! This is done within a loop (unvectorized) over nPoints to save memory
405	do j=1,Npoints
406	sgx%frac_out(j,:,1:Nlevels) = sgx%frac_out(j,:,Nlevels:1:-1)
407	sgx%prec_frac(j,:,1:Nlevels) = sgx%prec_frac(j,:,Nlevels:1:-1)
408	enddo
409	endif
410
411	! Deallocate arrays that will no longer be used
412	deallocate(tca_scops,cca_scops,ls_p_rate,cv_p_rate)
413
414	! Populate the subgrid arrays
415	call construct_cosp_sghydro(Npoints,Ncolumns,Nlevels,Nhydro,sghydro)
416	do k=1,Ncolumns
417	!--------- Mixing ratios for clouds and Reff for Clouds and precip -------
418	column_frac_out => sgx%frac_out(:,k,:)
419	where (column_frac_out == I_LSC) !+++++++++++ LS clouds ++++++++
420	sghydro%mr_hydro(:,k,:,I_LSCLIQ) = gbx%mr_hydro(:,:,I_LSCLIQ)
421	sghydro%mr_hydro(:,k,:,I_LSCICE) = gbx%mr_hydro(:,:,I_LSCICE)
422
423	sghydro%Reff(:,k,:,I_LSCLIQ) = gbx%Reff(:,:,I_LSCLIQ)
424	sghydro%Reff(:,k,:,I_LSCICE) = gbx%Reff(:,:,I_LSCICE)
425	sghydro%Reff(:,k,:,I_LSRAIN) = gbx%Reff(:,:,I_LSRAIN)
426	sghydro%Reff(:,k,:,I_LSSNOW) = gbx%Reff(:,:,I_LSSNOW)
427	sghydro%Reff(:,k,:,I_LSGRPL) = gbx%Reff(:,:,I_LSGRPL)
428	elsewhere (column_frac_out == I_CVC) !+++++++++++ CONV clouds ++++++++
429	sghydro%mr_hydro(:,k,:,I_CVCLIQ) = gbx%mr_hydro(:,:,I_CVCLIQ)
430	sghydro%mr_hydro(:,k,:,I_CVCICE) = gbx%mr_hydro(:,:,I_CVCICE)
431
432	sghydro%Reff(:,k,:,I_CVCLIQ) = gbx%Reff(:,:,I_CVCLIQ)
433	sghydro%Reff(:,k,:,I_CVCICE) = gbx%Reff(:,:,I_CVCICE)
434	sghydro%Reff(:,k,:,I_CVRAIN) = gbx%Reff(:,:,I_CVRAIN)
435	sghydro%Reff(:,k,:,I_CVSNOW) = gbx%Reff(:,:,I_CVSNOW)
436	end where
437	!--------- Precip -------
438	if (.not. gbx%use_precipitation_fluxes) then
439	where (column_frac_out == I_LSC) !+++++++++++ LS Precipitation ++++++++
440	sghydro%mr_hydro(:,k,:,I_LSRAIN) = gbx%mr_hydro(:,:,I_LSRAIN)
441	sghydro%mr_hydro(:,k,:,I_LSSNOW) = gbx%mr_hydro(:,:,I_LSSNOW)
442	sghydro%mr_hydro(:,k,:,I_LSGRPL) = gbx%mr_hydro(:,:,I_LSGRPL)
443	elsewhere (column_frac_out == I_CVC) !+++++++++++ CONV Precipitation ++++++++
444	sghydro%mr_hydro(:,k,:,I_CVRAIN) = gbx%mr_hydro(:,:,I_CVRAIN)
445	sghydro%mr_hydro(:,k,:,I_CVSNOW) = gbx%mr_hydro(:,:,I_CVSNOW)
446	end where
447	endif
448	enddo
449	! convert the mixing ratio and precipitation flux from gridbox mean to the fraction-based values
450	do k=1,Nlevels
451	do j=1,Npoints
452	!--------- Clouds -------
453	if (frac_ls(j,k) .ne. 0.) then
454	sghydro%mr_hydro(j,:,k,I_LSCLIQ) = sghydro%mr_hydro(j,:,k,I_LSCLIQ)/frac_ls(j,k)
455	sghydro%mr_hydro(j,:,k,I_LSCICE) = sghydro%mr_hydro(j,:,k,I_LSCICE)/frac_ls(j,k)
456	endif
457	if (frac_cv(j,k) .ne. 0.) then
458	sghydro%mr_hydro(j,:,k,I_CVCLIQ) = sghydro%mr_hydro(j,:,k,I_CVCLIQ)/frac_cv(j,k)
459	sghydro%mr_hydro(j,:,k,I_CVCICE) = sghydro%mr_hydro(j,:,k,I_CVCICE)/frac_cv(j,k)
460	endif
461	!--------- Precip -------
462	if (gbx%use_precipitation_fluxes) then
463	if (prec_ls(j,k) .ne. 0.) then
464	gbx%rain_ls(j,k) = gbx%rain_ls(j,k)/prec_ls(j,k)
465	gbx%snow_ls(j,k) = gbx%snow_ls(j,k)/prec_ls(j,k)
466	gbx%grpl_ls(j,k) = gbx%grpl_ls(j,k)/prec_ls(j,k)
467	endif
468	if (prec_cv(j,k) .ne. 0.) then
469	gbx%rain_cv(j,k) = gbx%rain_cv(j,k)/prec_cv(j,k)
470	gbx%snow_cv(j,k) = gbx%snow_cv(j,k)/prec_cv(j,k)
471	endif
472	else
473	if (prec_ls(j,k) .ne. 0.) then
474	sghydro%mr_hydro(j,:,k,I_LSRAIN) = sghydro%mr_hydro(j,:,k,I_LSRAIN)/prec_ls(j,k)
475	sghydro%mr_hydro(j,:,k,I_LSSNOW) = sghydro%mr_hydro(j,:,k,I_LSSNOW)/prec_ls(j,k)
476	sghydro%mr_hydro(j,:,k,I_LSGRPL) = sghydro%mr_hydro(j,:,k,I_LSGRPL)/prec_ls(j,k)
477	endif
478	if (prec_cv(j,k) .ne. 0.) then
479	sghydro%mr_hydro(j,:,k,I_CVRAIN) = sghydro%mr_hydro(j,:,k,I_CVRAIN)/prec_cv(j,k)
480	sghydro%mr_hydro(j,:,k,I_CVSNOW) = sghydro%mr_hydro(j,:,k,I_CVSNOW)/prec_cv(j,k)
481	endif
482	endif
483	enddo !k
484	enddo !j
485	deallocate(frac_ls,prec_ls,frac_cv,prec_cv)
486
487	if (gbx%use_precipitation_fluxes) then
488	! convert precipitation flux into mixing ratio
489	call pf_to_mr(Npoints,Nlevels,Ncolumns,gbx%rain_ls,gbx%snow_ls,gbx%grpl_ls, &
490	gbx%rain_cv,gbx%snow_cv,sgx%prec_frac,gbx%p,gbx%T, &
491	sghydro%mr_hydro(:,:,:,I_LSRAIN),sghydro%mr_hydro(:,:,:,I_LSSNOW),sghydro%mr_hydro(:,:,:,I_LSGRPL), &
492	sghydro%mr_hydro(:,:,:,I_CVRAIN),sghydro%mr_hydro(:,:,:,I_CVSNOW))
493	endif
494	!++++++++++ CRM mode ++++++++++
495	else
496	sghydro%mr_hydro(:,1,:,:) = gbx%mr_hydro
497	sghydro%Reff(:,1,:,:) = gbx%Reff
498	!--------- Clouds -------
499	where ((gbx%dtau_s > 0.0))
500	sgx%frac_out(:,1,:) = 1 ! Subgrid cloud array. Dimensions (Npoints,Ncolumns,Nlevels)
501	endwhere
502	endif ! Ncolumns > 1
503
504
505	!++++++++++ Simulator ++++++++++
506	call cosp_simulator(gbx,sgx,sghydro,cfg,vgrid,sgradar,sglidar,isccp,misr,stradar,stlidar)
507
508	! Deallocate subgrid arrays
509	call free_cosp_sghydro(sghydro)
510	END SUBROUTINE COSP_ITER
511
512	END MODULE MOD_COSP

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