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cosp.F90 @ 1327

Last change on this file since 1327 was 1327, checked in by yann meurdesoif, 14 years ago
parallelisation COSP YM
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1	! (c) British Crown Copyright 2008, the Met Office.
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24
25	MODULE MOD_COSP
26	USE MOD_COSP_TYPES
27	USE MOD_COSP_SIMULATOR
28	USE mod_phys_lmdz_para
29	USE mod_grid_phy_lmdz
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
65	integer,dimension(:),save, allocatable :: & ! Dimensions nPoints
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.
70	!$OMP THREADPRIVATE(seed)
71	real,dimension(:),allocatable :: rseed ! It is recommended that the seed is set to a different value for each model
72	! Types used in one iteration
73	type(cosp_gridbox) :: gbx_it
74	type(cosp_subgrid) :: sgx_it
75	type(cosp_vgrid) :: vgrid_it
76	type(cosp_sgradar) :: sgradar_it
77	type(cosp_sglidar) :: sglidar_it
78	type(cosp_isccp) :: isccp_it
79	type(cosp_misr) :: misr_it
80	type(cosp_radarstats) :: stradar_it
81	type(cosp_lidarstats) :: stlidar_it
82
83	logical,save :: first_cosp=.TRUE.
84	!$OMP THREADPRIVATE(first_cosp)
85
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
171	if (first_cosp) then
172	! We base the seed in the decimal part of the surface pressure.
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
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
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
189
190	deallocate(rseed)
191	first_cosp=.false.
192	endif
193
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
325	integer,parameter :: scops_debug=0 ! set to non-zero value to print out inputs for debugging in SCOPS
326
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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