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readaerosolstrato.F90 @ 3496

Last change on this file since 3496 was 3436, checked in by Ehouarn Millour, 6 years ago
Additional modifications wrt previous commit to enable working without XIOS. EM+LF
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: 7.4 KB

Line
1	subroutine readaerosolstrato(debut)
2
3	use netcdf95, only: nf95_close, nf95_gw_var, nf95_inq_dimid, &
4	nf95_inq_varid, nf95_open
5	use netcdf, only: nf90_get_var, nf90_noerr, nf90_nowrite
6
7	USE phys_cal_mod, ONLY : mth_cur
8	USE mod_grid_phy_lmdz, ONLY: nbp_lon, nbp_lat, klon_glo, &
9	grid2dto1d_glo, grid_type, unstructured
10	USE mod_phys_lmdz_mpi_data, ONLY : is_mpi_root
11	USE mod_phys_lmdz_omp_data, ONLY : is_omp_root
12	USE mod_phys_lmdz_para
13	USE phys_state_var_mod
14	USE phys_local_var_mod
15	USE aero_mod
16	USE dimphy
17	#ifdef CPP_XIOS
18	USE xios
19	#endif
20	implicit none
21
22	include "YOMCST.h"
23
24	! Variable input
25	logical debut
26
27	! Variables locales
28	integer n_lat ! number of latitudes in the input data
29	integer n_lon ! number of longitudes in the input data
30	integer n_lev ! number of levels in the input data
31	integer n_month ! number of months in the input data
32	real, pointer:: latitude(:)
33	real, pointer:: longitude(:)
34	real, pointer:: time(:)
35	real, pointer:: lev(:)
36	integer i, k, band, wave
37	integer, save :: mth_pre=1
38	!$OMP THREADPRIVATE(mth_pre)
39
40	real, allocatable, dimension(:,:), save :: tau_aer_strat
41	!$OMP THREADPRIVATE(tau_aer_strat)
42
43	! Champs reconstitues
44	real, allocatable:: tauaerstrat(:, :, :, :)
45	real, allocatable:: tauaerstrat_mois(:, :, :)
46	real, allocatable:: tauaerstrat_mois_glo(:, :)
47	real, allocatable:: tau_aer_strat_mpi(:, :)
48
49	! For NetCDF:
50	integer ncid_in ! IDs for input files
51	integer varid, ncerr
52
53	! Stratospheric aerosols optical properties
54	! alpha_strat over the 2 bands is normalised by the 550 nm extinction coefficient
55	! alpha_strat_wave is not normalised by the 550 nm extinction coefficient
56	real, dimension(nbands) :: alpha_strat, piz_strat, cg_strat
57	data alpha_strat/0.9922547, 0.7114912 /
58	data piz_strat /0.9999998, 0.99762493/
59	data cg_strat /0.73107845,0.73229635/
60	real, dimension(nwave_sw) :: alpha_strat_wave
61	data alpha_strat_wave/3.36780953,3.34667683,3.20444202,3.0293026,2.82108808/
62
63	!--------------------------------------------------------
64
65	IF (.not.ALLOCATED(tau_aer_strat)) ALLOCATE(tau_aer_strat(klon,klev))
66
67	!--only read file if beginning of run or start of new month
68	IF (debut.OR.mth_cur.NE.mth_pre) THEN
69
70	!--only root reads
71	IF (is_mpi_root.AND.is_omp_root) THEN
72
73	IF (nbands.NE.2) THEN
74	print *,'nbands doit etre egal a 2 dans readaerosolstrat'
75	STOP
76	ENDIF
77
78	CALL nf95_open("taustrat.nc", nf90_nowrite, ncid_in)
79
80	CALL nf95_inq_varid(ncid_in, "LEV", varid)
81	CALL nf95_gw_var(ncid_in, varid, lev)
82	n_lev = size(lev)
83	IF (n_lev.NE.klev) THEN
84	print *,'Le nombre de niveaux n est pas egal a klev'
85	STOP
86	ENDIF
87
88	CALL nf95_inq_varid(ncid_in, "LAT", varid)
89	CALL nf95_gw_var(ncid_in, varid, latitude)
90	n_lat = size(latitude)
91	print *, 'LAT aerosol strato=', n_lat, latitude
92	IF (grid_type/=unstructured) THEN
93	IF (n_lat.NE.nbp_lat) THEN
94	print *,'Le nombre de lat n est pas egal a nbp_lat'
95	STOP
96	ENDIF
97	ENDIF
98
99	CALL nf95_inq_varid(ncid_in, "LON", varid)
100	CALL nf95_gw_var(ncid_in, varid, longitude)
101	n_lon = size(longitude)
102	IF (grid_type/=unstructured) THEN
103	print *, 'LON aerosol strato=', n_lon, longitude
104	IF (n_lon.NE.nbp_lon) THEN
105	print *,'Le nombre de lon n est pas egal a nbp_lon'
106	STOP
107	ENDIF
108	ENDIF
109
110	CALL nf95_inq_varid(ncid_in, "TIME", varid)
111	CALL nf95_gw_var(ncid_in, varid, time)
112	n_month = size(time)
113	print *, 'TIME aerosol strato=', n_month, time
114	IF (n_month.NE.12) THEN
115	print *,'Le nombre de month n est pas egal a 12'
116	STOP
117	ENDIF
118
119	IF (.not.ALLOCATED(tauaerstrat)) ALLOCATE(tauaerstrat(n_lon, n_lat, n_lev, n_month))
120	IF (.not.ALLOCATED(tauaerstrat_mois)) ALLOCATE(tauaerstrat_mois(n_lon, n_lat, n_lev))
121	IF (.not.ALLOCATED(tauaerstrat_mois_glo)) ALLOCATE(tauaerstrat_mois_glo(klon_glo, n_lev))
122
123	!--reading stratospheric AOD at 550 nm
124	CALL nf95_inq_varid(ncid_in, "TAUSTRAT", varid)
125	ncerr = nf90_get_var(ncid_in, varid, tauaerstrat)
126	print *,'code erreur readaerosolstrato=', ncerr, varid
127
128	CALL nf95_close(ncid_in)
129
130	!---select the correct month
131	IF (mth_cur.LT.1.OR.mth_cur.GT.12) THEN
132	print *,'probleme avec le mois dans readaerosolstrat =', mth_cur
133	ENDIF
134	tauaerstrat_mois(:,:,:) = tauaerstrat(:,:,:,mth_cur)
135
136	!---reduce to a klon_glo grid
137	CALL grid2dTo1d_glo(tauaerstrat_mois,tauaerstrat_mois_glo)
138
139	ELSE
140	ALLOCATE(tauaerstrat_mois(0,0,0))
141	ENDIF !--is_mpi_root and is_omp_root
142
143	!$OMP BARRIER
144
145	IF (grid_type==unstructured) THEN
146	#ifdef CPP_XIOS
147	IF (is_omp_master) THEN
148	CALL xios_send_field("taustrat_in",tauaerstrat_mois)
149	ALLOCATE(tau_aer_strat_mpi(klon_mpi, klev))
150	CALL xios_recv_field("taustrat_out",tau_aer_strat_mpi)
151	ELSE
152	ALLOCATE(tau_aer_strat_mpi(0,0))
153	ENDIF
154	CALL scatter_omp(tau_aer_strat_mpi,tau_aer_strat)
155	#endif
156	ELSE
157	!--scatter on all proc
158	CALL scatter(tauaerstrat_mois_glo,tau_aer_strat)
159	ENDIF
160
161	!--keep memory of previous month
162	mth_pre=mth_cur
163	!
164	IF (is_mpi_root.AND.is_omp_root) THEN
165	!
166	DEALLOCATE(tauaerstrat)
167	DEALLOCATE(tauaerstrat_mois)
168	DEALLOCATE(tauaerstrat_mois_glo)
169	!
170	ENDIF !-is_mpi_root and is_omp_root
171
172	!$OMP BARRIER
173
174	ENDIF !--debut ou nouveau mois
175
176	!--total vertical aod at the 6 wavelengths
177	DO wave=1, nwave_sw
178	DO k=1, klev
179	tausum_aero(:,wave,id_STRAT_phy)=tausum_aero(:,wave,id_STRAT_phy)+tau_aer_strat(:,k)*alpha_strat_wave(wave)/alpha_strat_wave(2)
180	ENDDO
181	ENDDO
182
183	!--weighted average for cg, piz and tau, adding strat aerosols on top of tropospheric ones
184	DO band=1, nbands
185	!--anthropogenic aerosols bands 1 and 2
186	cg_aero(:,:,3,band) = ( cg_aero(:,:,3,band)piz_aero(:,:,3,band)tau_aero(:,:,3,band) + &
187	cg_strat(band)piz_strat(band)alpha_strat(band)*tau_aer_strat(:,:) ) / &
188	MAX( piz_aero(:,:,3,band)*tau_aero(:,:,3,band) + &
189	piz_strat(band)alpha_strat(band)tau_aer_strat(:,:), 1.e-15 )
190	piz_aero(:,:,3,band) = ( piz_aero(:,:,3,band)*tau_aero(:,:,3,band) + &
191	piz_strat(band)alpha_strat(band)tau_aer_strat(:,:) ) / &
192	MAX( tau_aero(:,:,3,band) + alpha_strat(band)*tau_aer_strat(:,:), 1.e-15 )
193	tau_aero(:,:,3,band) = tau_aero(:,:,3,band) + alpha_strat(band)*tau_aer_strat(:,:)
194	!--natural aerosols bands 1 and 2
195	cg_aero(:,:,2,band) = ( cg_aero(:,:,2,band)piz_aero(:,:,2,band)tau_aero(:,:,2,band) + &
196	cg_strat(band)piz_strat(band)alpha_strat(band)*tau_aer_strat(:,:) ) / &
197	MAX( piz_aero(:,:,2,band)*tau_aero(:,:,2,band) + &
198	piz_strat(band)alpha_strat(band)tau_aer_strat(:,:), 1.e-15 )
199	piz_aero(:,:,2,band) = ( piz_aero(:,:,2,band)*tau_aero(:,:,2,band) + &
200	piz_strat(band)alpha_strat(band)tau_aer_strat(:,:) ) / &
201	MAX( tau_aero(:,:,2,band) + alpha_strat(band)*tau_aer_strat(:,:),1.e-15 )
202	tau_aero(:,:,2,band) = tau_aero(:,:,2,band) + alpha_strat(band)*tau_aer_strat(:,:)
203	ENDDO
204
205	end subroutine readaerosolstrato

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