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mod_cosp.F90 @ 4601

Last change on this file since 4601 was 4593, checked in by yann meurdesoif, 17 months ago

Replace #include (c preprocessor) by INCLUDE (fortran keyword)

in phylmd (except rrtm and ecrad) filtrez, dy3dmem and dyn3dcommon

Other directories will follow
YM

Property copyright set to
Name of program: LMDZ
Creation date: 1984
Version: LMDZ5
License: CeCILL version 2
Holder: Laboratoire de m\'et\'eorologie dynamique, CNRS, UMR 8539
See the license file in the root directory

File size: 31.3 KB

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1	! (c) British Crown Copyright 2008, the Met Office.
2	! All rights reserved.
3	!
4	! Redistribution and use in source and binary forms, with or without modification, are permitted
5	! provided that the following conditions are met:
6	!
7	! * Redistributions of source code must retain the above copyright notice, this list
8	! of conditions and the following disclaimer.
9	! * Redistributions in binary form must reproduce the above copyright notice, this list
10	! of conditions and the following disclaimer in the documentation and/or other materials
11	! provided with the distribution.
12	! * Neither the name of the Met Office nor the names of its contributors may be used
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14	! permission.
15	!
16	! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
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21	! DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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23	! OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24
25	INCLUDE "cosp_defs.h"
26	MODULE MOD_COSP
27	USE MOD_COSP_TYPES
28	USE MOD_COSP_SIMULATOR
29	USE MOD_COSP_MODIS_SIMULATOR
30	IMPLICIT NONE
31
32	CONTAINS
33
34
35	!%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
36	!--------------------- SUBROUTINE COSP ---------------------------
37	!%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
38	!#ifdef RTTOV
39	!SUBROUTINE COSP(overlap,Ncolumns,cfg,vgrid,gbx,sgx,sgradar,sglidar,isccp,misr,modis,rttov,stradar,stlidar)
40	!#else
41	SUBROUTINE COSP(overlap,Ncolumns,cfg,vgrid,gbx,sgx,sgradar,sglidar,isccp,misr,modis,stradar,stlidar)
42	!#endif
43	! Arguments
44	integer,intent(in) :: overlap ! overlap type in SCOPS: 1=max, 2=rand, 3=max/rand
45	integer,intent(in) :: Ncolumns
46	type(cosp_config),intent(in) :: cfg ! Configuration options
47	type(cosp_vgrid),intent(in) :: vgrid ! Information on vertical grid of stats
48	type(cosp_gridbox),intent(inout) :: gbx
49	type(cosp_subgrid),intent(inout) :: sgx ! Subgrid info
50	type(cosp_sgradar),intent(inout) :: sgradar ! Output from radar simulator
51	type(cosp_sglidar),intent(inout) :: sglidar ! Output from lidar simulator
52	type(cosp_isccp),intent(inout) :: isccp ! Output from ISCCP simulator
53	type(cosp_misr),intent(inout) :: misr ! Output from MISR simulator
54	type(cosp_modis),intent(inout) :: modis ! Output from MODIS simulator
55	!#ifdef RTTOV
56	! type(cosp_rttov),intent(inout) :: rttov ! Output from RTTOV
57	!#endif
58	type(cosp_radarstats),intent(inout) :: stradar ! Summary statistics from radar simulator
59	type(cosp_lidarstats),intent(inout) :: stlidar ! Summary statistics from lidar simulator
60
61	! Local variables
62	integer :: Npoints ! Number of gridpoints
63	integer :: Nlevels ! Number of levels
64	integer :: Nhydro ! Number of hydrometeors
65	integer :: Niter ! Number of calls to cosp_simulator
66	integer :: i_first,i_last ! First and last gridbox to be processed in each iteration
67	integer :: i,Ni
68	integer,dimension(2) :: ix,iy
69	logical :: reff_zero
70	real :: maxp,minp
71	integer,dimension(:),allocatable :: & ! Dimensions nPoints
72	seed ! It is recommended that the seed is set to a different value for each model
73	! gridbox it is called on, as it is possible that the choice of the same
74	! seed value every time may introduce some statistical bias in the results,
75	! particularly for low values of NCOL.
76	! Types used in one iteration
77	type(cosp_gridbox) :: gbx_it
78	type(cosp_subgrid) :: sgx_it
79	type(cosp_vgrid) :: vgrid_it
80	type(cosp_sgradar) :: sgradar_it
81	type(cosp_sglidar) :: sglidar_it
82	type(cosp_isccp) :: isccp_it
83	type(cosp_modis) :: modis_it
84	type(cosp_misr) :: misr_it
85	!#ifdef RTTOV
86	! type(cosp_rttov) :: rttov_it
87	!#endif
88	type(cosp_radarstats) :: stradar_it
89	type(cosp_lidarstats) :: stlidar_it
90
91	!++++++++++ Dimensions ++++++++++++
92	Npoints = gbx%Npoints
93	Nlevels = gbx%Nlevels
94	Nhydro = gbx%Nhydro
95
96	!++++++++++ Depth of model layers ++++++++++++
97	do i=1,Nlevels-1
98	gbx%dlev(:,i) = gbx%zlev_half(:,i+1) - gbx%zlev_half(:,i)
99	enddo
100	gbx%dlev(:,Nlevels) = 2.0*(gbx%zlev(:,Nlevels) - gbx%zlev_half(:,Nlevels))
101
102	!++++++++++ Apply sanity checks to inputs ++++++++++
103	! call cosp_check_input('longitude',gbx%longitude,min_val=0.0,max_val=360.0)
104	call cosp_check_input('longitude',gbx%longitude,min_val=-180.0,max_val=180.0)
105	call cosp_check_input('latitude',gbx%latitude,min_val=-90.0,max_val=90.0)
106	call cosp_check_input('dlev',gbx%dlev,min_val=0.0)
107	call cosp_check_input('p',gbx%p,min_val=0.0)
108	call cosp_check_input('ph',gbx%ph,min_val=0.0)
109	call cosp_check_input('T',gbx%T,min_val=0.0)
110	call cosp_check_input('q',gbx%q,min_val=0.0)
111	call cosp_check_input('sh',gbx%sh,min_val=0.0)
112	call cosp_check_input('dtau_s',gbx%dtau_s,min_val=0.0)
113	call cosp_check_input('dtau_c',gbx%dtau_c,min_val=0.0)
114	call cosp_check_input('dem_s',gbx%dem_s,min_val=0.0,max_val=1.0)
115	call cosp_check_input('dem_c',gbx%dem_c,min_val=0.0,max_val=1.0)
116	! Point information (Npoints)
117	call cosp_check_input('land',gbx%land,min_val=0.0,max_val=1.0)
118	call cosp_check_input('psfc',gbx%psfc,min_val=0.0)
119	call cosp_check_input('sunlit',gbx%sunlit,min_val=0.0,max_val=1.0)
120	call cosp_check_input('skt',gbx%skt,min_val=0.0)
121	! TOTAL and CONV cloud fraction for SCOPS
122	call cosp_check_input('tca',gbx%tca,min_val=0.0,max_val=1.0)
123	call cosp_check_input('cca',gbx%cca,min_val=0.0,max_val=1.0)
124	! Precipitation fluxes on model levels
125	call cosp_check_input('rain_ls',gbx%rain_ls,min_val=0.0)
126	call cosp_check_input('rain_cv',gbx%rain_cv,min_val=0.0)
127	call cosp_check_input('snow_ls',gbx%snow_ls,min_val=0.0)
128	call cosp_check_input('snow_cv',gbx%snow_cv,min_val=0.0)
129	call cosp_check_input('grpl_ls',gbx%grpl_ls,min_val=0.0)
130	! Hydrometeors concentration and distribution parameters
131	call cosp_check_input('mr_hydro',gbx%mr_hydro,min_val=0.0)
132	! Effective radius [m]. (Npoints,Nlevels,Nhydro)
133	call cosp_check_input('Reff',gbx%Reff,min_val=0.0)
134	reff_zero=.true.
135	if (any(gbx%Reff > 1.e-8)) then
136	reff_zero=.false.
137	! reff_zero == .false.
138	! and gbx%use_reff == .true. Reff use in radar and lidar
139	! and reff_zero == .false. Reff use in lidar and set to 0 for radar
140	endif
141	if ((.not. gbx%use_reff) .and. (reff_zero)) then ! No Reff in radar. Default in lidar
142	gbx%Reff = DEFAULT_LIDAR_REFF
143	print *, '---------- COSP WARNING ------------'
144	print *, ''
145	print *, 'Using default Reff in lidar simulations'
146	print *, ''
147	print *, '----------------------------------'
148	endif
149
150	! Aerosols concentration and distribution parameters
151	call cosp_check_input('conc_aero',gbx%conc_aero,min_val=0.0)
152	! Checks for CRM mode
153	if (Ncolumns == 1) then
154	if (gbx%use_precipitation_fluxes) then
155	print *, '---------- COSP ERROR ------------'
156	print *, ''
157	print *, 'Use of precipitation fluxes not supported in CRM mode (Ncolumns=1)'
158	print *, ''
159	print *, '----------------------------------'
160	stop
161	endif
162	if ((maxval(gbx%dtau_c) > 0.0).or.(maxval(gbx%dem_c) > 0.0)) then
163	print *, '---------- COSP ERROR ------------'
164	print *, ''
165	print *, ' dtau_c > 0.0 or dem_c > 0.0. In CRM mode (Ncolumns=1), '
166	print *, ' the optical depth (emmisivity) of all clouds must be '
167	print *, ' passed through dtau_s (dem_s)'
168	print *, ''
169	print *, '----------------------------------'
170	stop
171	endif
172	endif
173
174	! We base the seed in the decimal part of the surface pressure.
175	allocate(seed(Npoints))
176	seed = int(gbx%psfc) ! This is to avoid division by zero when Npoints = 1
177	! Roj Oct/2008 ... Note: seed value of 0 caused me some problems + I want to
178	! randomize for each call to COSP even when Npoints ==1
179	minp = minval(gbx%psfc)
180	maxp = maxval(gbx%psfc)
181	if (Npoints .gt. 1) seed=int((gbx%psfc-minp)/(maxp-minp)*100000) + 1
182	! Below it's how it was done in the original implementation of the ISCCP simulator.
183	! The one above is better for offline data, when you may have packed data
184	! that subsamples the decimal fraction of the surface pressure.
185	! if (Npoints .gt. 1) seed=(gbx%psfc-int(gbx%psfc))*1000000
186
187
188	if (gbx%Npoints_it >= gbx%Npoints) then ! One iteration gbx%Npoints
189	!#ifdef RTTOV
190	! call cosp_iter(overlap,seed,cfg,vgrid,gbx,sgx,sgradar,sglidar,isccp,misr,modis,rttov,stradar,stlidar)
191	!#else
192	call cosp_iter(overlap,seed,cfg,vgrid,gbx,sgx,sgradar,sglidar,isccp,misr,modis,stradar,stlidar)
193	!#endif
194	else ! Several iterations to save memory
195	Niter = gbx%Npoints/gbx%Npoints_it ! Integer division
196	if (Niter*gbx%Npoints_it < gbx%Npoints) Niter = Niter + 1
197	do i=1,Niter
198	i_first = (i-1)*gbx%Npoints_it + 1
199	i_last = i_first + gbx%Npoints_it - 1
200	i_last = min(i_last,gbx%Npoints)
201	Ni = i_last - i_first + 1
202	if (i == 1) then
203	! Allocate types for all but last iteration
204	call construct_cosp_gridbox(gbx%time,gbx%time_bnds,gbx%radar_freq,gbx%surface_radar,gbx%use_mie_tables, &
205	gbx%use_gas_abs,gbx%do_ray,gbx%melt_lay,gbx%k2,Ni,Nlevels, &
206	Ncolumns,N_HYDRO,gbx%Nprmts_max_hydro, &
207	gbx%Naero,gbx%Nprmts_max_aero,Ni,gbx%lidar_ice_type,gbx%isccp_top_height, &
208	gbx%isccp_top_height_direction,gbx%isccp_overlap,gbx%isccp_emsfc_lw, &
209	gbx%use_precipitation_fluxes,gbx%use_reff, &
210	gbx%plat,gbx%sat,gbx%inst,gbx%nchan,gbx%ZenAng, &
211	gbx%Ichan(1:gbx%nchan),gbx%surfem(1:gbx%nchan), &
212	gbx%co2,gbx%ch4,gbx%n2o,gbx%co, &
213	gbx_it)
214	call construct_cosp_vgrid(gbx_it,vgrid%Nlvgrid,vgrid%use_vgrid,vgrid%csat_vgrid,vgrid_it)
215	call construct_cosp_subgrid(Ni, Ncolumns, Nlevels, sgx_it)
216	call construct_cosp_sgradar(cfg,Ni,Ncolumns,Nlevels,N_HYDRO,sgradar_it)
217	call construct_cosp_sglidar(cfg,Ni,Ncolumns,Nlevels,N_HYDRO,PARASOL_NREFL,sglidar_it)
218	call construct_cosp_isccp(cfg,Ni,Ncolumns,Nlevels,isccp_it)
219	call construct_cosp_modis(cfg, Ni, modis_it)
220	call construct_cosp_misr(cfg,Ni,misr_it)
221	!#ifdef RTTOV
222	! call construct_cosp_rttov(Ni,gbx%nchan,rttov_it)
223	!#endif
224	call construct_cosp_radarstats(cfg,Ni,Ncolumns,vgrid%Nlvgrid,N_HYDRO,stradar_it)
225	call construct_cosp_lidarstats(cfg,Ni,Ncolumns,vgrid%Nlvgrid,N_HYDRO,PARASOL_NREFL,stlidar_it)
226	elseif (i == Niter) then ! last iteration
227	call free_cosp_gridbox(gbx_it,.true.)
228	call free_cosp_subgrid(sgx_it)
229	call free_cosp_vgrid(vgrid_it)
230	call free_cosp_sgradar(sgradar_it)
231	call free_cosp_sglidar(sglidar_it)
232	call free_cosp_isccp(isccp_it)
233	call free_cosp_modis(modis_it)
234	call free_cosp_misr(misr_it)
235	!#ifdef RTTOV
236	! call free_cosp_rttov(rttov_it)
237	!#endif
238	call free_cosp_radarstats(stradar_it)
239	call free_cosp_lidarstats(stlidar_it)
240	! Allocate types for iterations
241	call construct_cosp_gridbox(gbx%time,gbx%time_bnds,gbx%radar_freq,gbx%surface_radar,gbx%use_mie_tables, &
242	gbx%use_gas_abs,gbx%do_ray,gbx%melt_lay,gbx%k2,Ni,Nlevels, &
243	Ncolumns,N_HYDRO,gbx%Nprmts_max_hydro, &
244	gbx%Naero,gbx%Nprmts_max_aero,Ni,gbx%lidar_ice_type,gbx%isccp_top_height, &
245	gbx%isccp_top_height_direction,gbx%isccp_overlap,gbx%isccp_emsfc_lw, &
246	gbx%use_precipitation_fluxes,gbx%use_reff, &
247	gbx%plat,gbx%sat,gbx%inst,gbx%nchan,gbx%ZenAng, &
248	gbx%Ichan(1:gbx%nchan),gbx%surfem(1:gbx%nchan), &
249	gbx%co2,gbx%ch4,gbx%n2o,gbx%co, &
250	gbx_it)
251	! --- Copy arrays without Npoints as dimension ---
252	gbx_it%dist_prmts_hydro = gbx%dist_prmts_hydro
253	gbx_it%dist_type_aero = gbx_it%dist_type_aero
254	call construct_cosp_vgrid(gbx_it,vgrid%Nlvgrid,vgrid%use_vgrid,vgrid%csat_vgrid,vgrid_it)
255	call construct_cosp_subgrid(Ni, Ncolumns, Nlevels, sgx_it)
256	call construct_cosp_sgradar(cfg,Ni,Ncolumns,Nlevels,N_HYDRO,sgradar_it)
257	call construct_cosp_sglidar(cfg,Ni,Ncolumns,Nlevels,N_HYDRO,PARASOL_NREFL,sglidar_it)
258	call construct_cosp_isccp(cfg,Ni,Ncolumns,Nlevels,isccp_it)
259	call construct_cosp_modis(cfg,Ni, modis_it)
260	call construct_cosp_misr(cfg,Ni,misr_it)
261	!#ifdef RTTOV
262	! call construct_cosp_rttov(Ni,gbx%nchan,rttov_it)
263	!#endif
264	call construct_cosp_radarstats(cfg,Ni,Ncolumns,vgrid%Nlvgrid,N_HYDRO,stradar_it)
265	call construct_cosp_lidarstats(cfg,Ni,Ncolumns,vgrid%Nlvgrid,N_HYDRO,PARASOL_NREFL,stlidar_it)
266	endif
267	! --- Copy sections of arrays with Npoints as dimension ---
268	ix=(/i_first,i_last/)
269	iy=(/1,Ni/)
270	call cosp_gridbox_cpsection(ix,iy,gbx,gbx_it)
271	! These serve as initialisation of *_it types
272	call cosp_subgrid_cpsection(ix,iy,sgx,sgx_it)
273	if (cfg%Lradar_sim) call cosp_sgradar_cpsection(ix,iy,sgradar,sgradar_it)
274	if (cfg%Llidar_sim) call cosp_sglidar_cpsection(ix,iy,sglidar,sglidar_it)
275	if (cfg%Lisccp_sim) call cosp_isccp_cpsection(ix,iy,isccp,isccp_it)
276	if (cfg%Lmodis_sim) call cosp_modis_cpsection(ix,iy,modis,modis_it)
277	if (cfg%Lmisr_sim) call cosp_misr_cpsection(ix,iy,misr,misr_it)
278	!#ifdef RTTOV
279	! if (cfg%Lrttov_sim) call cosp_rttov_cpsection(ix,iy,rttov,rttov_it)
280	!#endif
281	if (cfg%Lradar_sim) call cosp_radarstats_cpsection(ix,iy,stradar,stradar_it)
282	if (cfg%Llidar_sim) call cosp_lidarstats_cpsection(ix,iy,stlidar,stlidar_it)
283	!#ifdef RTTOV
284	! call cosp_iter(overlap,seed(ix(1):ix(2)),cfg,vgrid_it,gbx_it,sgx_it,sgradar_it, &
285	! sglidar_it,isccp_it,misr_it,modis_it,rttov_it,stradar_it,stlidar_it)
286	!#else
287	call cosp_iter(overlap,seed(ix(1):ix(2)),cfg,vgrid_it,gbx_it,sgx_it,sgradar_it, &
288	sglidar_it,isccp_it,misr_it,modis_it,stradar_it,stlidar_it)
289	!#endif
290	! --- Copy results to output structures ---
291	ix=(/1,Ni/)
292	iy=(/i_first,i_last/)
293	call cosp_subgrid_cpsection(ix,iy,sgx_it,sgx)
294	if (cfg%Lradar_sim) call cosp_sgradar_cpsection(ix,iy,sgradar_it,sgradar)
295	if (cfg%Llidar_sim) call cosp_sglidar_cpsection(ix,iy,sglidar_it,sglidar)
296	if (cfg%Lisccp_sim) call cosp_isccp_cpsection(ix,iy,isccp_it,isccp)
297	if (cfg%Lmodis_sim) call cosp_modis_cpsection(ix,iy,modis_it,modis)
298	if (cfg%Lmisr_sim) call cosp_misr_cpsection(ix,iy,misr_it,misr)
299	!#ifdef RTTOV
300	! if (cfg%Lrttov_sim) call cosp_rttov_cpsection(ix,iy,rttov_it,rttov)
301	!#endif
302	if (cfg%Lradar_sim) call cosp_radarstats_cpsection(ix,iy,stradar_it,stradar)
303	if (cfg%Llidar_sim) call cosp_lidarstats_cpsection(ix,iy,stlidar_it,stlidar)
304	enddo
305	! Deallocate types
306	call free_cosp_gridbox(gbx_it,.true.)
307	call free_cosp_subgrid(sgx_it)
308	call free_cosp_vgrid(vgrid_it)
309	call free_cosp_sgradar(sgradar_it)
310	call free_cosp_sglidar(sglidar_it)
311	call free_cosp_isccp(isccp_it)
312	call free_cosp_modis(modis_it)
313	call free_cosp_misr(misr_it)
314	!#ifdef RTTOV
315	! call free_cosp_rttov(rttov_it)
316	!#endif
317	call free_cosp_radarstats(stradar_it)
318	call free_cosp_lidarstats(stlidar_it)
319	endif
320	deallocate(seed)
321
322
323	END SUBROUTINE COSP
324
325	!%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
326	!--------------------- SUBROUTINE COSP_ITER ----------------------
327	!%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
328	!#ifdef RTTOV
329	!SUBROUTINE COSP_ITER(overlap,seed,cfg,vgrid,gbx,sgx,sgradar,sglidar,isccp,misr,modis,rttov,stradar,stlidar)
330	!#else
331	SUBROUTINE COSP_ITER(overlap,seed,cfg,vgrid,gbx,sgx,sgradar,sglidar,isccp,misr,modis,stradar,stlidar)
332	!#endif
333	! Arguments
334	integer,intent(in) :: overlap ! overlap type in SCOPS: 1=max, 2=rand, 3=max/rand
335	integer,dimension(:),intent(in) :: seed
336	type(cosp_config),intent(in) :: cfg ! Configuration options
337	type(cosp_vgrid),intent(in) :: vgrid ! Information on vertical grid of stats
338	type(cosp_gridbox),intent(inout) :: gbx
339	type(cosp_subgrid),intent(inout) :: sgx ! Subgrid info
340	type(cosp_sgradar),intent(inout) :: sgradar ! Output from radar simulator
341	type(cosp_sglidar),intent(inout) :: sglidar ! Output from lidar simulator
342	type(cosp_isccp),intent(inout) :: isccp ! Output from ISCCP simulator
343	type(cosp_misr),intent(inout) :: misr ! Output from MISR simulator
344	type(cosp_modis),intent(inout) :: modis ! Output from MODIS simulator
345	!#ifdef RTTOV
346	! type(cosp_rttov),intent(inout) :: rttov ! Output from RTTOV
347	!#endif
348	type(cosp_radarstats),intent(inout) :: stradar ! Summary statistics from radar simulator
349	type(cosp_lidarstats),intent(inout) :: stlidar ! Summary statistics from lidar simulator
350
351	! Local variables
352	integer :: Npoints ! Number of gridpoints
353	integer :: Ncolumns ! Number of subcolumns
354	integer :: Nlevels ! Number of levels
355	integer :: Nhydro ! Number of hydrometeors
356	integer :: i,j,k
357	integer :: I_HYDRO
358	real,dimension(:,:),pointer :: column_frac_out ! Array with one column of frac_out
359	real,dimension(:,:),pointer :: column_prec_out ! Array with one column of prec_frac
360	integer :: scops_debug=0 ! set to non-zero value to print out inputs for debugging in SCOPS
361	real,dimension(:, :),allocatable :: cca_scops,ls_p_rate,cv_p_rate, &
362	tca_scops ! Cloud cover in each model level (HORIZONTAL gridbox fraction) of total cloud.
363	! Levels are from TOA to SURFACE. (nPoints, nLev)
364	real,dimension(:,:),allocatable :: frac_ls,prec_ls,frac_cv,prec_cv ! Cloud/Precipitation fraction in each model level
365	! Levels are from SURFACE to TOA
366	real,dimension(:,:),allocatable :: rho ! (Npoints, Nlevels). Atmospheric density
367	type(cosp_sghydro) :: sghydro ! Subgrid info for hydrometeors en each iteration
368
369
370	!++++++++++ Dimensions ++++++++++++
371	Npoints = gbx%Npoints
372	Ncolumns = gbx%Ncolumns
373	Nlevels = gbx%Nlevels
374	Nhydro = gbx%Nhydro
375
376	!++++++++++ Climate/NWP mode ++++++++++
377	if (Ncolumns > 1) then
378	!++++++++++ Subgrid sampling ++++++++++
379	! Allocate arrays before calling SCOPS
380	allocate(frac_ls(Npoints,Nlevels),frac_cv(Npoints,Nlevels),prec_ls(Npoints,Nlevels),prec_cv(Npoints,Nlevels))
381	allocate(tca_scops(Npoints,Nlevels),cca_scops(Npoints,Nlevels), &
382	ls_p_rate(Npoints,Nlevels),cv_p_rate(Npoints,Nlevels))
383	! Initialize to zero
384	frac_ls=0.0
385	prec_ls=0.0
386	frac_cv=0.0
387	prec_cv=0.0
388	! Cloud fractions for SCOPS from TOA to SFC
389	tca_scops = gbx%tca(:,Nlevels:1:-1)
390	cca_scops = gbx%cca(:,Nlevels:1:-1)
391
392	! Call to SCOPS
393	! strat and conv arrays are passed with levels from TOA to SURFACE.
394	call scops(Npoints,Nlevels,Ncolumns,seed,tca_scops,cca_scops,overlap,sgx%frac_out,scops_debug)
395
396	! temporarily use prec_ls/cv to transfer information about precipitation flux into prec_scops
397	if(gbx%use_precipitation_fluxes) then
398	ls_p_rate(:,Nlevels:1:-1)=gbx%rain_ls(:,1:Nlevels)+gbx%snow_ls(:,1:Nlevels)+gbx%grpl_ls(:,1:Nlevels)
399	cv_p_rate(:,Nlevels:1:-1)=gbx%rain_cv(:,1:Nlevels)+gbx%snow_cv(:,1:Nlevels)
400	else
401	ls_p_rate(:,Nlevels:1:-1)=gbx%mr_hydro(:,1:Nlevels,I_LSRAIN)+ &
402	gbx%mr_hydro(:,1:Nlevels,I_LSSNOW)+ &
403	gbx%mr_hydro(:,1:Nlevels,I_LSGRPL)
404	cv_p_rate(:,Nlevels:1:-1)=gbx%mr_hydro(:,1:Nlevels,I_CVRAIN)+ &
405	gbx%mr_hydro(:,1:Nlevels,I_CVSNOW)
406	endif
407
408	call prec_scops(Npoints,Nlevels,Ncolumns,ls_p_rate,cv_p_rate,sgx%frac_out,sgx%prec_frac)
409
410	! Precipitation fraction
411	do j=1,Npoints,1
412	do k=1,Nlevels,1
413	do i=1,Ncolumns,1
414	if (sgx%frac_out (j,i,Nlevels+1-k) == I_LSC) frac_ls(j,k)=frac_ls(j,k)+1.
415	if (sgx%frac_out (j,i,Nlevels+1-k) == I_CVC) frac_cv(j,k)=frac_cv(j,k)+1.
416	if (sgx%prec_frac(j,i,Nlevels+1-k) .eq. 1) prec_ls(j,k)=prec_ls(j,k)+1.
417	if (sgx%prec_frac(j,i,Nlevels+1-k) .eq. 2) prec_cv(j,k)=prec_cv(j,k)+1.
418	if (sgx%prec_frac(j,i,Nlevels+1-k) .eq. 3) then
419	prec_cv(j,k)=prec_cv(j,k)+1.
420	prec_ls(j,k)=prec_ls(j,k)+1.
421	endif
422	enddo !i
423	frac_ls(j,k)=frac_ls(j,k)/Ncolumns
424	frac_cv(j,k)=frac_cv(j,k)/Ncolumns
425	prec_ls(j,k)=prec_ls(j,k)/Ncolumns
426	prec_cv(j,k)=prec_cv(j,k)/Ncolumns
427	enddo !k
428	enddo !j
429
430	! Levels from SURFACE to TOA.
431	if (NpointsNcolumnsNlevels < 10000) then
432	sgx%frac_out(1:Npoints,:,1:Nlevels) = sgx%frac_out(1:Npoints,:,Nlevels:1:-1)
433	sgx%prec_frac(1:Npoints,:,1:Nlevels) = sgx%prec_frac(1:Npoints,:,Nlevels:1:-1)
434	else
435	! This is done within a loop (unvectorized) over nPoints to save memory
436	do j=1,Npoints
437	sgx%frac_out(j,:,1:Nlevels) = sgx%frac_out(j,:,Nlevels:1:-1)
438	sgx%prec_frac(j,:,1:Nlevels) = sgx%prec_frac(j,:,Nlevels:1:-1)
439	enddo
440	endif
441
442	! Deallocate arrays that will no longer be used
443	deallocate(tca_scops,cca_scops,ls_p_rate,cv_p_rate)
444
445	! Populate the subgrid arrays
446	call construct_cosp_sghydro(Npoints,Ncolumns,Nlevels,Nhydro,sghydro)
447	do k=1,Ncolumns
448	!--------- Mixing ratios for clouds and Reff for Clouds and precip -------
449	column_frac_out => sgx%frac_out(:,k,:)
450	where (column_frac_out == I_LSC) !+++++++++++ LS clouds ++++++++
451	sghydro%mr_hydro(:,k,:,I_LSCLIQ) = gbx%mr_hydro(:,:,I_LSCLIQ)
452	sghydro%mr_hydro(:,k,:,I_LSCICE) = gbx%mr_hydro(:,:,I_LSCICE)
453
454	sghydro%Reff(:,k,:,I_LSCLIQ) = gbx%Reff(:,:,I_LSCLIQ)
455	sghydro%Reff(:,k,:,I_LSCICE) = gbx%Reff(:,:,I_LSCICE)
456
457	sghydro%Np(:,k,:,I_LSCLIQ) = gbx%Np(:,:,I_LSCLIQ)
458	sghydro%Np(:,k,:,I_LSCICE) = gbx%Np(:,:,I_LSCICE)
459
460	elsewhere (column_frac_out == I_CVC) !+++++++++++ CONV clouds ++++++++
461	sghydro%mr_hydro(:,k,:,I_CVCLIQ) = gbx%mr_hydro(:,:,I_CVCLIQ)
462	sghydro%mr_hydro(:,k,:,I_CVCICE) = gbx%mr_hydro(:,:,I_CVCICE)
463
464	sghydro%Reff(:,k,:,I_CVCLIQ) = gbx%Reff(:,:,I_CVCLIQ)
465	sghydro%Reff(:,k,:,I_CVCICE) = gbx%Reff(:,:,I_CVCICE)
466
467	sghydro%Np(:,k,:,I_CVCLIQ) = gbx%Np(:,:,I_CVCLIQ)
468	sghydro%Np(:,k,:,I_CVCICE) = gbx%Np(:,:,I_CVCICE)
469
470	end where
471	column_prec_out => sgx%prec_frac(:,k,:)
472	where ((column_prec_out == 1) .or. (column_prec_out == 3) ) !++++ LS precip ++++
473	sghydro%Reff(:,k,:,I_LSRAIN) = gbx%Reff(:,:,I_LSRAIN)
474	sghydro%Reff(:,k,:,I_LSSNOW) = gbx%Reff(:,:,I_LSSNOW)
475	sghydro%Reff(:,k,:,I_LSGRPL) = gbx%Reff(:,:,I_LSGRPL)
476
477	sghydro%Np(:,k,:,I_LSRAIN) = gbx%Np(:,:,I_LSRAIN)
478	sghydro%Np(:,k,:,I_LSSNOW) = gbx%Np(:,:,I_LSSNOW)
479	sghydro%Np(:,k,:,I_LSGRPL) = gbx%Np(:,:,I_LSGRPL)
480	elsewhere ((column_prec_out == 2) .or. (column_prec_out == 3)) !++++ CONV precip ++++
481	sghydro%Reff(:,k,:,I_CVRAIN) = gbx%Reff(:,:,I_CVRAIN)
482	sghydro%Reff(:,k,:,I_CVSNOW) = gbx%Reff(:,:,I_CVSNOW)
483
484	sghydro%Np(:,k,:,I_CVRAIN) = gbx%Np(:,:,I_CVRAIN)
485	sghydro%Np(:,k,:,I_CVSNOW) = gbx%Np(:,:,I_CVSNOW)
486	end where
487	!--------- Precip -------
488	if (.not. gbx%use_precipitation_fluxes) then
489	where (column_frac_out == I_LSC) !+++++++++++ LS Precipitation ++++++++
490	sghydro%mr_hydro(:,k,:,I_LSRAIN) = gbx%mr_hydro(:,:,I_LSRAIN)
491	sghydro%mr_hydro(:,k,:,I_LSSNOW) = gbx%mr_hydro(:,:,I_LSSNOW)
492	sghydro%mr_hydro(:,k,:,I_LSGRPL) = gbx%mr_hydro(:,:,I_LSGRPL)
493	elsewhere (column_frac_out == I_CVC) !+++++++++++ CONV Precipitation ++++++++
494	sghydro%mr_hydro(:,k,:,I_CVRAIN) = gbx%mr_hydro(:,:,I_CVRAIN)
495	sghydro%mr_hydro(:,k,:,I_CVSNOW) = gbx%mr_hydro(:,:,I_CVSNOW)
496	end where
497	endif
498	enddo
499	! convert the mixing ratio and precipitation flux from gridbox mean to the fraction-based values
500	do k=1,Nlevels
501	do j=1,Npoints
502	!--------- Clouds -------
503	if (frac_ls(j,k) .ne. 0.) then
504	sghydro%mr_hydro(j,:,k,I_LSCLIQ) = sghydro%mr_hydro(j,:,k,I_LSCLIQ)/frac_ls(j,k)
505	sghydro%mr_hydro(j,:,k,I_LSCICE) = sghydro%mr_hydro(j,:,k,I_LSCICE)/frac_ls(j,k)
506	endif
507	if (frac_cv(j,k) .ne. 0.) then
508	sghydro%mr_hydro(j,:,k,I_CVCLIQ) = sghydro%mr_hydro(j,:,k,I_CVCLIQ)/frac_cv(j,k)
509	sghydro%mr_hydro(j,:,k,I_CVCICE) = sghydro%mr_hydro(j,:,k,I_CVCICE)/frac_cv(j,k)
510	endif
511	!--------- Precip -------
512	if (gbx%use_precipitation_fluxes) then
513	if (prec_ls(j,k) .ne. 0.) then
514	gbx%rain_ls(j,k) = gbx%rain_ls(j,k)/prec_ls(j,k)
515	gbx%snow_ls(j,k) = gbx%snow_ls(j,k)/prec_ls(j,k)
516	gbx%grpl_ls(j,k) = gbx%grpl_ls(j,k)/prec_ls(j,k)
517	endif
518	if (prec_cv(j,k) .ne. 0.) then
519	gbx%rain_cv(j,k) = gbx%rain_cv(j,k)/prec_cv(j,k)
520	gbx%snow_cv(j,k) = gbx%snow_cv(j,k)/prec_cv(j,k)
521	endif
522	else
523	if (prec_ls(j,k) .ne. 0.) then
524	sghydro%mr_hydro(j,:,k,I_LSRAIN) = sghydro%mr_hydro(j,:,k,I_LSRAIN)/prec_ls(j,k)
525	sghydro%mr_hydro(j,:,k,I_LSSNOW) = sghydro%mr_hydro(j,:,k,I_LSSNOW)/prec_ls(j,k)
526	sghydro%mr_hydro(j,:,k,I_LSGRPL) = sghydro%mr_hydro(j,:,k,I_LSGRPL)/prec_ls(j,k)
527	endif
528	if (prec_cv(j,k) .ne. 0.) then
529	sghydro%mr_hydro(j,:,k,I_CVRAIN) = sghydro%mr_hydro(j,:,k,I_CVRAIN)/prec_cv(j,k)
530	sghydro%mr_hydro(j,:,k,I_CVSNOW) = sghydro%mr_hydro(j,:,k,I_CVSNOW)/prec_cv(j,k)
531	endif
532	endif
533	enddo !k
534	enddo !j
535	deallocate(frac_ls,prec_ls,frac_cv,prec_cv)
536
537	if (gbx%use_precipitation_fluxes) then
538
539	#ifdef MMF_V3p5_TWO_MOMENT
540
541	write(,) 'Precipitation Flux to Mixing Ratio conversion not (yet?) supported ', &
542	'for MMF3.5 Two Moment Microphysics'
543	stop
544	#else
545	! Density
546	allocate(rho(Npoints,Nlevels))
547	I_HYDRO = I_LSRAIN
548	call cosp_precip_mxratio(Npoints,Nlevels,Ncolumns,gbx%p,gbx%T,sgx%prec_frac,1., &
549	n_ax(I_HYDRO),n_bx(I_HYDRO),alpha_x(I_HYDRO),c_x(I_HYDRO),d_x(I_HYDRO), &
550	g_x(I_HYDRO),a_x(I_HYDRO),b_x(I_HYDRO), &
551	gamma_1(I_HYDRO),gamma_2(I_HYDRO),gamma_3(I_HYDRO),gamma_4(I_HYDRO), &
552	gbx%rain_ls,sghydro%mr_hydro(:,:,:,I_HYDRO),sghydro%Reff(:,:,:,I_HYDRO))
553	I_HYDRO = I_LSSNOW
554	call cosp_precip_mxratio(Npoints,Nlevels,Ncolumns,gbx%p,gbx%T,sgx%prec_frac,1., &
555	n_ax(I_HYDRO),n_bx(I_HYDRO),alpha_x(I_HYDRO),c_x(I_HYDRO),d_x(I_HYDRO), &
556	g_x(I_HYDRO),a_x(I_HYDRO),b_x(I_HYDRO), &
557	gamma_1(I_HYDRO),gamma_2(I_HYDRO),gamma_3(I_HYDRO),gamma_4(I_HYDRO), &
558	gbx%snow_ls,sghydro%mr_hydro(:,:,:,I_HYDRO),sghydro%Reff(:,:,:,I_HYDRO))
559	I_HYDRO = I_CVRAIN
560	call cosp_precip_mxratio(Npoints,Nlevels,Ncolumns,gbx%p,gbx%T,sgx%prec_frac,2., &
561	n_ax(I_HYDRO),n_bx(I_HYDRO),alpha_x(I_HYDRO),c_x(I_HYDRO),d_x(I_HYDRO), &
562	g_x(I_HYDRO),a_x(I_HYDRO),b_x(I_HYDRO), &
563	gamma_1(I_HYDRO),gamma_2(I_HYDRO),gamma_3(I_HYDRO),gamma_4(I_HYDRO), &
564	gbx%rain_cv,sghydro%mr_hydro(:,:,:,I_HYDRO),sghydro%Reff(:,:,:,I_HYDRO))
565	I_HYDRO = I_CVSNOW
566	call cosp_precip_mxratio(Npoints,Nlevels,Ncolumns,gbx%p,gbx%T,sgx%prec_frac,2., &
567	n_ax(I_HYDRO),n_bx(I_HYDRO),alpha_x(I_HYDRO),c_x(I_HYDRO),d_x(I_HYDRO), &
568	g_x(I_HYDRO),a_x(I_HYDRO),b_x(I_HYDRO), &
569	gamma_1(I_HYDRO),gamma_2(I_HYDRO),gamma_3(I_HYDRO),gamma_4(I_HYDRO), &
570	gbx%snow_cv,sghydro%mr_hydro(:,:,:,I_HYDRO),sghydro%Reff(:,:,:,I_HYDRO))
571	I_HYDRO = I_LSGRPL
572	call cosp_precip_mxratio(Npoints,Nlevels,Ncolumns,gbx%p,gbx%T,sgx%prec_frac,1., &
573	n_ax(I_HYDRO),n_bx(I_HYDRO),alpha_x(I_HYDRO),c_x(I_HYDRO),d_x(I_HYDRO), &
574	g_x(I_HYDRO),a_x(I_HYDRO),b_x(I_HYDRO), &
575	gamma_1(I_HYDRO),gamma_2(I_HYDRO),gamma_3(I_HYDRO),gamma_4(I_HYDRO), &
576	gbx%grpl_ls,sghydro%mr_hydro(:,:,:,I_HYDRO),sghydro%Reff(:,:,:,I_HYDRO))
577	if(allocated(rho)) deallocate(rho)
578	#endif
579
580	endif
581	!++++++++++ CRM mode ++++++++++
582	else
583	call construct_cosp_sghydro(Npoints,Ncolumns,Nlevels,Nhydro,sghydro)
584	sghydro%mr_hydro(:,1,:,:) = gbx%mr_hydro
585	sghydro%Reff(:,1,:,:) = gbx%Reff
586	sghydro%Np(:,1,:,:) = gbx%Np ! added by Roj with Quickbeam V3.0
587
588	!--------- Clouds -------
589	where ((gbx%dtau_s > 0.0))
590	sgx%frac_out(:,1,:) = 1 ! Subgrid cloud array. Dimensions (Npoints,Ncolumns,Nlevels)
591	endwhere
592	endif ! Ncolumns > 1
593
594	!++++++++++ Simulator ++++++++++
595	!#ifdef RTTOV
596	! call cosp_simulator(gbx,sgx,sghydro,cfg,vgrid,sgradar,sglidar,isccp,misr,modis,rttov,stradar,stlidar)
597	!#else
598	call cosp_simulator(gbx,sgx,sghydro,cfg,vgrid,sgradar,sglidar,isccp,misr,modis,stradar,stlidar)
599	!#endif
600
601	! Deallocate subgrid arrays
602	call free_cosp_sghydro(sghydro)
603	END SUBROUTINE COSP_ITER
604
605	END MODULE MOD_COSP

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