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readaerosolstrato2_rrtm.F90 @ 5445

Last change on this file since 5445 was 2787, checked in by Laurent Fairhead, 8 years ago
Merged trunk changes r2727:2785 into testing branch
File size: 13.8 KB

Line
1	!
2	! $Id: readaerosolstrato2_rrtm.F90 2526 2016-05-26 22:13:40Z oboucher $
3	!
4	SUBROUTINE readaerosolstrato2_rrtm(debut)
5
6	USE netcdf95, ONLY: nf95_close, nf95_gw_var, nf95_inq_dimid, &
7	nf95_inq_varid, nf95_open
8	USE netcdf, ONLY: nf90_get_var, nf90_noerr, nf90_nowrite
9
10	USE phys_cal_mod, ONLY : mth_cur
11	USE mod_grid_phy_lmdz, ONLY: nbp_lon, nbp_lat, klon_glo, grid2dTo1d_glo
12	USE mod_phys_lmdz_mpi_data, ONLY : is_mpi_root
13	USE mod_phys_lmdz_omp_data, ONLY : is_omp_root
14	USE mod_phys_lmdz_para
15	USE phys_state_var_mod
16	USE phys_local_var_mod
17	USE aero_mod
18	USE dimphy
19	USE YOERAD, ONLY : NLW
20	USE YOMCST
21
22	IMPLICIT NONE
23
24	INCLUDE "clesphys.h"
25
26	CHARACTER (len = 80) :: abort_message
27	CHARACTER (LEN=20) :: modname = 'readaerosolstrato2'
28
29	! Variable input
30	LOGICAL, INTENT(IN) :: debut
31
32	! Variables locales
33	INTEGER n_lat ! number of latitudes in the input data
34	INTEGER n_lon ! number of longitudes
35	INTEGER n_lev ! number of levels in the input data
36	INTEGER n_month ! number of months in the input data
37	INTEGER n_wav ! number of wavelengths in the input data
38	REAL, POINTER:: latitude(:)
39	REAL, POINTER:: time(:)
40	REAL, POINTER:: lev(:)
41	REAL, POINTER:: wav(:)
42	INTEGER i,k,wave,band
43	INTEGER, SAVE :: mth_pre=1
44	!$OMP THREADPRIVATE(mth_pre)
45
46	REAL, ALLOCATABLE, DIMENSION(:,:,:), SAVE :: tau_aer_strat
47	REAL, ALLOCATABLE, DIMENSION(:,:,:), SAVE :: piz_aer_strat
48	REAL, ALLOCATABLE, DIMENSION(:,:,:), SAVE :: cg_aer_strat
49	REAL, ALLOCATABLE, DIMENSION(:,:,:), SAVE :: taulw_aer_strat
50	!$OMP THREADPRIVATE(tau_aer_strat,piz_aer_strat,cg_aer_strat,taulw_aer_strat)
51
52	! Champs reconstitues
53	REAL, ALLOCATABLE:: tauaerstrat(:, :, :, :)
54	REAL, ALLOCATABLE:: pizaerstrat(:, :, :, :)
55	REAL, ALLOCATABLE:: cgaerstrat(:, :, :, :)
56	REAL, ALLOCATABLE:: taulwaerstrat(:, :, :, :)
57
58	REAL, ALLOCATABLE:: tauaerstrat_mois(:, :, :, :)
59	REAL, ALLOCATABLE:: pizaerstrat_mois(:, :, :, :)
60	REAL, ALLOCATABLE:: cgaerstrat_mois(:, :, :, :)
61	REAL, ALLOCATABLE:: taulwaerstrat_mois(:, :, :, :)
62
63	REAL, ALLOCATABLE:: tauaerstrat_mois_glo(:, :, :)
64	REAL, ALLOCATABLE:: pizaerstrat_mois_glo(:, :, :)
65	REAL, ALLOCATABLE:: cgaerstrat_mois_glo(:, :, :)
66	REAL, ALLOCATABLE:: taulwaerstrat_mois_glo(:, :, :)
67
68	! For NetCDF:
69	INTEGER ncid_in ! IDs for input files
70	INTEGER varid, ncerr
71
72	!--------------------------------------------------------
73
74	IF (.not.ALLOCATED(tau_aer_strat)) ALLOCATE(tau_aer_strat(klon,klev,NSW))
75	IF (.not.ALLOCATED(piz_aer_strat)) ALLOCATE(piz_aer_strat(klon,klev,NSW))
76	IF (.not.ALLOCATED(cg_aer_strat)) ALLOCATE(cg_aer_strat(klon,klev,NSW))
77
78	IF (.not.ALLOCATED(taulw_aer_strat)) ALLOCATE(taulw_aer_strat(klon,klev,NLW))
79
80	!--we only read monthly strat aerosol data
81	IF (debut.OR.mth_cur.NE.mth_pre) THEN
82
83	!--only root reads the data
84	IF (is_mpi_root.AND.is_omp_root) THEN
85
86	!--check mth_cur
87	IF (mth_cur.LT.1.OR.mth_cur.GT.12) THEN
88	print *,'probleme avec le mois dans readaerosolstrat =', mth_cur
89	ENDIF
90
91	!--initialize n_lon as input data is 2D (lat-alt) only
92	n_lon = nbp_lon
93
94	!--Starts with SW optical properties
95
96	CALL nf95_open("tauswstrat.2D.nc", nf90_nowrite, ncid_in)
97
98	CALL nf95_inq_varid(ncid_in, "LEV", varid)
99	CALL nf95_gw_var(ncid_in, varid, lev)
100	n_lev = size(lev)
101	IF (n_lev.NE.klev) THEN
102	abort_message='Le nombre de niveaux n est pas egal a klev'
103	CALL abort_physic(modname,abort_message,1)
104	ENDIF
105
106	CALL nf95_inq_varid(ncid_in, "LAT", varid)
107	CALL nf95_gw_var(ncid_in, varid, latitude)
108	n_lat = size(latitude)
109	IF (n_lat.NE.nbp_lat) THEN
110	print *, 'latitude=', n_lat, nbp_lat
111	abort_message='Le nombre de lat n est pas egal a nbp_lat'
112	CALL abort_physic(modname,abort_message,1)
113	ENDIF
114
115	CALL nf95_inq_varid(ncid_in, "TIME", varid)
116	CALL nf95_gw_var(ncid_in, varid, time)
117	n_month = size(time)
118	IF (n_month.NE.12) THEN
119	abort_message='Le nombre de month n est pas egal a 12'
120	CALL abort_physic(modname,abort_message,1)
121	ENDIF
122
123	CALL nf95_inq_varid(ncid_in, "WAV", varid)
124	CALL nf95_gw_var(ncid_in, varid, wav)
125	n_wav = size(wav)
126	print *, 'WAV aerosol strato=', n_wav, wav
127	IF (n_wav.NE.NSW) THEN
128	abort_message='Le nombre de wav n est pas egal a NSW'
129	CALL abort_physic(modname,abort_message,1)
130	ENDIF
131
132	ALLOCATE(tauaerstrat(n_lat, n_lev, n_wav, n_month))
133	ALLOCATE(pizaerstrat(n_lat, n_lev, n_wav, n_month))
134	ALLOCATE(cgaerstrat(n_lat, n_lev, n_wav, n_month))
135
136	ALLOCATE(tauaerstrat_mois(n_lon, n_lat, n_lev, n_wav))
137	ALLOCATE(pizaerstrat_mois(n_lon, n_lat, n_lev, n_wav))
138	ALLOCATE(cgaerstrat_mois(n_lon, n_lat, n_lev, n_wav))
139
140	ALLOCATE(tauaerstrat_mois_glo(klon_glo, n_lev, n_wav))
141	ALLOCATE(pizaerstrat_mois_glo(klon_glo, n_lev, n_wav))
142	ALLOCATE(cgaerstrat_mois_glo(klon_glo, n_lev, n_wav))
143
144	!--reading stratospheric aerosol tau per layer
145	CALL nf95_inq_varid(ncid_in, "TAU_SUN", varid)
146	ncerr = nf90_get_var(ncid_in, varid, tauaerstrat)
147	print *,'code erreur readaerosolstrato=', ncerr, varid
148
149	!--reading stratospheric aerosol omega per layer
150	CALL nf95_inq_varid(ncid_in, "OME_SUN", varid)
151	ncerr = nf90_get_var(ncid_in, varid, pizaerstrat)
152	print *,'code erreur readaerosolstrato=', ncerr, varid
153
154	!--reading stratospheric aerosol g per layer
155	CALL nf95_inq_varid(ncid_in, "GGG_SUN", varid)
156	ncerr = nf90_get_var(ncid_in, varid, cgaerstrat)
157	print *,'code erreur readaerosolstrato sw=', ncerr, varid
158
159	CALL nf95_close(ncid_in)
160
161	!--select the correct month
162	!--and copy into 1st longitude
163	tauaerstrat_mois(1,:,:,:) = tauaerstrat(:,:,:,mth_cur)
164	pizaerstrat_mois(1,:,:,:) = pizaerstrat(:,:,:,mth_cur)
165	cgaerstrat_mois(1,:,:,:) = cgaerstrat(:,:,:,mth_cur)
166
167	!--copy longitudes
168	DO i=2, n_lon
169	tauaerstrat_mois(i,:,:,:) = tauaerstrat_mois(1,:,:,:)
170	pizaerstrat_mois(i,:,:,:) = pizaerstrat_mois(1,:,:,:)
171	cgaerstrat_mois(i,:,:,:) = cgaerstrat_mois(1,:,:,:)
172	ENDDO
173
174	!---reduce to a klon_glo grid
175	DO band=1, NSW
176	CALL grid2dTo1d_glo(tauaerstrat_mois(:,:,:,band),tauaerstrat_mois_glo(:,:,band))
177	CALL grid2dTo1d_glo(pizaerstrat_mois(:,:,:,band),pizaerstrat_mois_glo(:,:,band))
178	CALL grid2dTo1d_glo(cgaerstrat_mois(:,:,:,band),cgaerstrat_mois_glo(:,:,band))
179	ENDDO
180
181	!--Now LW optical properties
182	!
183	CALL nf95_open("taulwstrat.2D.nc", nf90_nowrite, ncid_in)
184
185	CALL nf95_inq_varid(ncid_in, "LEV", varid)
186	CALL nf95_gw_var(ncid_in, varid, lev)
187	n_lev = size(lev)
188	IF (n_lev.NE.klev) THEN
189	abort_message='Le nombre de niveaux n est pas egal a klev'
190	CALL abort_physic(modname,abort_message,1)
191	ENDIF
192
193	CALL nf95_inq_varid(ncid_in, "LAT", varid)
194	CALL nf95_gw_var(ncid_in, varid, latitude)
195	n_lat = size(latitude)
196	IF (n_lat.NE.nbp_lat) THEN
197	abort_message='Le nombre de lat n est pas egal a nbp_lat'
198	CALL abort_physic(modname,abort_message,1)
199	ENDIF
200
201	CALL nf95_inq_varid(ncid_in, "TIME", varid)
202	CALL nf95_gw_var(ncid_in, varid, time)
203	n_month = size(time)
204	IF (n_month.NE.12) THEN
205	abort_message='Le nombre de month n est pas egal a 12'
206	CALL abort_physic(modname,abort_message,1)
207	ENDIF
208
209	CALL nf95_inq_varid(ncid_in, "WAV", varid)
210	CALL nf95_gw_var(ncid_in, varid, wav)
211	n_wav = size(wav)
212	print *, 'WAV aerosol strato=', n_wav, wav
213	IF (n_wav.NE.NLW) THEN
214	abort_message='Le nombre de wav n est pas egal a NLW'
215	CALL abort_physic(modname,abort_message,1)
216	ENDIF
217
218	ALLOCATE(taulwaerstrat(n_lat, n_lev, n_wav, n_month))
219	ALLOCATE(taulwaerstrat_mois(n_lon, n_lat, n_lev, n_wav))
220	ALLOCATE(taulwaerstrat_mois_glo(klon_glo, n_lev, n_wav))
221
222	!--reading stratospheric aerosol lw tau per layer
223	CALL nf95_inq_varid(ncid_in, "TAU_EAR", varid)
224	ncerr = nf90_get_var(ncid_in, varid, taulwaerstrat)
225	print *,'code erreur readaerosolstrato lw=', ncerr, varid
226
227	CALL nf95_close(ncid_in)
228
229	!--select the correct month
230	!--and copy into 1st longitude
231	taulwaerstrat_mois(1,:,:,:) = taulwaerstrat(:,:,:,mth_cur)
232	!--copy longitudes
233	DO i=2, n_lon
234	taulwaerstrat_mois(i,:,:,:) = taulwaerstrat_mois(1,:,:,:)
235	ENDDO
236
237	!---reduce to a klon_glo grid
238	DO band=1, NLW
239	CALL grid2dTo1d_glo(taulwaerstrat_mois(:,:,:,band),taulwaerstrat_mois_glo(:,:,band))
240	ENDDO
241
242	ELSE !--proc other than mpi_root and omp_root
243	!--dummy allocation needed for debug mode
244
245	ALLOCATE(tauaerstrat_mois_glo(1,1,1))
246	ALLOCATE(pizaerstrat_mois_glo(1,1,1))
247	ALLOCATE(cgaerstrat_mois_glo(1,1,1))
248	ALLOCATE(taulwaerstrat_mois_glo(1,1,1))
249
250	ENDIF !--is_mpi_root and is_omp_root
251
252	!$OMP BARRIER
253
254	!--keep memory of previous month
255	mth_pre=mth_cur
256
257	!--scatter on all proc
258	CALL scatter(tauaerstrat_mois_glo,tau_aer_strat)
259	CALL scatter(pizaerstrat_mois_glo,piz_aer_strat)
260	CALL scatter(cgaerstrat_mois_glo,cg_aer_strat)
261	CALL scatter(taulwaerstrat_mois_glo,taulw_aer_strat)
262
263	IF (is_mpi_root.AND.is_omp_root) THEN
264	!
265	DEALLOCATE(tauaerstrat, pizaerstrat, cgaerstrat)
266	DEALLOCATE(tauaerstrat_mois, pizaerstrat_mois, cgaerstrat_mois)
267	DEALLOCATE(taulwaerstrat,taulwaerstrat_mois)
268	!
269	ENDIF !--is_mpi_root and is_omp_root
270
271	DEALLOCATE(tauaerstrat_mois_glo,pizaerstrat_mois_glo,cgaerstrat_mois_glo)
272	DEALLOCATE(taulwaerstrat_mois_glo)
273
274	!$OMP BARRIER
275
276	ENDIF !--debut ou nouveau mois
277
278	!--total vertical aod at the 5 SW wavelengths
279	!--for now use band 3 AOD into all 5 wavelengths
280	!--it is only a reasonable approximation for 550 nm (wave=2)
281	band=3
282	DO i=1, klon
283	DO k=1, klev
284	IF (stratomask(i,k).GT.0.999999) THEN
285	DO wave=1, nwave_sw
286	tausum_aero(i,wave,id_STRAT_phy)=tausum_aero(i,wave,id_STRAT_phy)+tau_aer_strat(i,k,band)
287	ENDDO
288	ENDIF
289	ENDDO
290	ENDDO
291
292	!--weighted average for cg, piz and tau, adding strat aerosols on top of tropospheric ones
293	DO band=1, NSW
294	WHERE (stratomask.GT.0.999999)
295	!--anthropogenic aerosols bands 1 to NSW
296	cg_aero_sw_rrtm(:,:,2,band) = ( cg_aero_sw_rrtm(:,:,2,band)piz_aero_sw_rrtm(:,:,2,band)tau_aero_sw_rrtm(:,:,2,band) + &
297	cg_aer_strat(:,:,band)piz_aer_strat(:,:,band)tau_aer_strat(:,:,band) ) / &
298	MAX( piz_aero_sw_rrtm(:,:,2,band)*tau_aero_sw_rrtm(:,:,2,band) + &
299	piz_aer_strat(:,:,band)*tau_aer_strat(:,:,band), 1.e-15 )
300	piz_aero_sw_rrtm(:,:,2,band) = ( piz_aero_sw_rrtm(:,:,2,band)*tau_aero_sw_rrtm(:,:,2,band) + &
301	piz_aer_strat(:,:,band)*tau_aer_strat(:,:,band) ) / &
302	MAX( tau_aero_sw_rrtm(:,:,2,band) + tau_aer_strat(:,:,band), 1.e-15 )
303	tau_aero_sw_rrtm(:,:,2,band) = tau_aero_sw_rrtm(:,:,2,band) + tau_aer_strat(:,:,band)
304	!--natural aerosols bands 1 to NSW
305	cg_aero_sw_rrtm(:,:,1,band) = ( cg_aero_sw_rrtm(:,:,1,band)piz_aero_sw_rrtm(:,:,1,band)tau_aero_sw_rrtm(:,:,1,band) + &
306	cg_aer_strat(:,:,band)piz_aer_strat(:,:,band)tau_aer_strat(:,:,band) ) / &
307	MAX( piz_aero_sw_rrtm(:,:,1,band)*tau_aero_sw_rrtm(:,:,1,band) + &
308	piz_aer_strat(:,:,band)*tau_aer_strat(:,:,band), 1.e-15 )
309	piz_aero_sw_rrtm(:,:,1,band) = ( piz_aero_sw_rrtm(:,:,1,band)*tau_aero_sw_rrtm(:,:,1,band) + &
310	piz_aer_strat(:,:,band)*tau_aer_strat(:,:,band) ) / &
311	MAX( tau_aero_sw_rrtm(:,:,1,band) + tau_aer_strat(:,:,band), 1.e-15 )
312	tau_aero_sw_rrtm(:,:,1,band) = tau_aero_sw_rrtm(:,:,1,band) + tau_aer_strat(:,:,band)
313	!--no stratospheric aerosol in index 1 for these tests
314	! cg_aero_sw_rrtm(:,:,1,band) = cg_aero_sw_rrtm(:,:,1,band)
315	! piz_aero_sw_rrtm(:,:,1,band) = piz_aero_sw_rrtm(:,:,1,band)
316	! tau_aero_sw_rrtm(:,:,1,band) = tau_aero_sw_rrtm(:,:,1,band)
317	ENDWHERE
318	ENDDO
319
320	!--total vertical aod at 10 um
321	!--this is approximated from band 7 of RRTM
322	band=7
323	DO i=1, klon
324	DO k=1, klev
325	IF (stratomask(i,k).GT.0.999999) THEN
326	DO wave=1, nwave_lw
327	tausum_aero(i,nwave_sw+wave,id_STRAT_phy)=tausum_aero(i,nwave_sw+wave,id_STRAT_phy)+taulw_aer_strat(i,k,band)
328	ENDDO
329	ENDIF
330	ENDDO
331	ENDDO
332
333	DO band=1, NLW
334	WHERE (stratomask.GT.0.999999)
335	tau_aero_lw_rrtm(:,:,2,band) = tau_aero_lw_rrtm(:,:,2,band) + taulw_aer_strat(:,:,band)
336	tau_aero_lw_rrtm(:,:,1,band) = tau_aero_lw_rrtm(:,:,1,band) + taulw_aer_strat(:,:,band)
337	!--no stratospheric aerosols in index 1 for these tests
338	! tau_aero_lw_rrtm(:,:,1,band) = tau_aero_lw_rrtm(:,:,1,band)
339	ENDWHERE
340	ENDDO
341
342	!--default SSA value if there is no aerosol
343	!--to avoid 0 values that seems to cause some problem to RRTM
344	WHERE (tau_aero_sw_rrtm.LT.1.e-14)
345	piz_aero_sw_rrtm = 1.0
346	ENDWHERE
347
348	!--in principle this should not be necessary
349	!--as these variables have min values already but just in case
350	!--put 1e-15 min value to both SW and LW AOD
351	tau_aero_sw_rrtm = MAX(tau_aero_sw_rrtm,1.e-15)
352	tau_aero_lw_rrtm = MAX(tau_aero_lw_rrtm,1.e-15)
353
354	END SUBROUTINE readaerosolstrato2_rrtm

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