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readaerosolstrato.F90 @ 3774

Last change on this file since 3774 was 3531, checked in by Laurent Fairhead, 5 years ago
Replaced STOP statements by a call to abort_physic in phylmd as per ticket #86 Still some work to be done in phylmd subdirectories
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: 7.9 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	USE print_control_mod, ONLY: prt_level,lunout
18	#ifdef CPP_XIOS
19	USE xios
20	#endif
21	implicit none
22
23	include "YOMCST.h"
24
25	! Variable input
26	logical debut
27
28	! Variables locales
29	integer n_lat ! number of latitudes in the input data
30	integer n_lon ! number of longitudes in the input data
31	integer n_lev ! number of levels in the input data
32	integer n_month ! number of months in the input data
33	real, pointer:: latitude(:)
34	real, pointer:: longitude(:)
35	real, pointer:: time(:)
36	real, pointer:: lev(:)
37	integer i, k, band, wave
38	integer, save :: mth_pre=1
39	!$OMP THREADPRIVATE(mth_pre)
40
41	real, allocatable, dimension(:,:), save :: tau_aer_strat
42	!$OMP THREADPRIVATE(tau_aer_strat)
43
44	! Champs reconstitues
45	real, allocatable:: tauaerstrat(:, :, :, :)
46	real, allocatable:: tauaerstrat_mois(:, :, :)
47	real, allocatable:: tauaerstrat_mois_glo(:, :)
48	real, allocatable:: tau_aer_strat_mpi(:, :)
49
50	! For NetCDF:
51	integer ncid_in ! IDs for input files
52	integer varid, ncerr
53
54	! Stratospheric aerosols optical properties
55	! alpha_strat over the 2 bands is normalised by the 550 nm extinction coefficient
56	! alpha_strat_wave is not normalised by the 550 nm extinction coefficient
57	real, dimension(nbands) :: alpha_strat, piz_strat, cg_strat
58	data alpha_strat/0.9922547, 0.7114912 /
59	data piz_strat /0.9999998, 0.99762493/
60	data cg_strat /0.73107845,0.73229635/
61	real, dimension(nwave_sw) :: alpha_strat_wave
62	data alpha_strat_wave/3.36780953,3.34667683,3.20444202,3.0293026,2.82108808/
63
64	CHARACTER (len = 20) :: modname = 'readaerosolstrato'
65	CHARACTER (len = 80) :: abort_message
66
67	!--------------------------------------------------------
68
69	IF (.not.ALLOCATED(tau_aer_strat)) ALLOCATE(tau_aer_strat(klon,klev))
70
71	!--only read file if beginning of run or start of new month
72	IF (debut.OR.mth_cur.NE.mth_pre) THEN
73
74	!--only root reads
75	IF (is_mpi_root.AND.is_omp_root) THEN
76
77	IF (nbands.NE.2) THEN
78	abort_message='nbands doit etre egal a 2 dans readaerosolstrat'
79	CALL abort_physic(modname,abort_message,1)
80	ENDIF
81
82	CALL nf95_open("taustrat.nc", nf90_nowrite, ncid_in)
83
84	CALL nf95_inq_varid(ncid_in, "LEV", varid)
85	CALL nf95_gw_var(ncid_in, varid, lev)
86	n_lev = size(lev)
87	IF (n_lev.NE.klev) THEN
88	abort_message='Le nombre de niveaux n est pas egal a klev'
89	CALL abort_physic(modname,abort_message,1)
90	ENDIF
91
92	CALL nf95_inq_varid(ncid_in, "LAT", varid)
93	CALL nf95_gw_var(ncid_in, varid, latitude)
94	n_lat = size(latitude)
95	WRITE(lunout,*) 'LAT aerosol strato=', n_lat, latitude
96	IF (grid_type/=unstructured) THEN
97	IF (n_lat.NE.nbp_lat) THEN
98	abort_message='Le nombre de lat n est pas egal a nbp_lat'
99	CALL abort_physic(modname,abort_message,1)
100	ENDIF
101	ENDIF
102
103	CALL nf95_inq_varid(ncid_in, "LON", varid)
104	CALL nf95_gw_var(ncid_in, varid, longitude)
105	n_lon = size(longitude)
106	IF (grid_type/=unstructured) THEN
107	WRITE(lunout,*) 'LON aerosol strato=', n_lon, longitude
108	IF (n_lon.NE.nbp_lon) THEN
109	abort_message='Le nombre de lon n est pas egal a nbp_lon'
110	CALL abort_physic(modname,abort_message,1)
111	ENDIF
112	ENDIF
113
114	CALL nf95_inq_varid(ncid_in, "TIME", varid)
115	CALL nf95_gw_var(ncid_in, varid, time)
116	n_month = size(time)
117	WRITE(lunout,*) 'TIME aerosol strato=', n_month, 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	IF (.not.ALLOCATED(tauaerstrat)) ALLOCATE(tauaerstrat(n_lon, n_lat, n_lev, n_month))
124	IF (.not.ALLOCATED(tauaerstrat_mois)) ALLOCATE(tauaerstrat_mois(n_lon, n_lat, n_lev))
125	IF (.not.ALLOCATED(tauaerstrat_mois_glo)) ALLOCATE(tauaerstrat_mois_glo(klon_glo, n_lev))
126
127	!--reading stratospheric AOD at 550 nm
128	CALL nf95_inq_varid(ncid_in, "TAUSTRAT", varid)
129	ncerr = nf90_get_var(ncid_in, varid, tauaerstrat)
130	WRITE(lunout,*) 'code erreur readaerosolstrato=', ncerr, varid
131
132	CALL nf95_close(ncid_in)
133
134	!---select the correct month
135	IF (mth_cur.LT.1.OR.mth_cur.GT.12) THEN
136	WRITE(lunout,*) 'probleme avec le mois dans readaerosolstrat =', mth_cur
137	ENDIF
138	tauaerstrat_mois(:,:,:) = tauaerstrat(:,:,:,mth_cur)
139
140	!---reduce to a klon_glo grid
141	CALL grid2dTo1d_glo(tauaerstrat_mois,tauaerstrat_mois_glo)
142
143	ELSE
144	ALLOCATE(tauaerstrat_mois(0,0,0))
145	ENDIF !--is_mpi_root and is_omp_root
146
147	!$OMP BARRIER
148
149	IF (grid_type==unstructured) THEN
150	#ifdef CPP_XIOS
151	IF (is_omp_master) THEN
152	CALL xios_send_field("taustrat_in",tauaerstrat_mois)
153	ALLOCATE(tau_aer_strat_mpi(klon_mpi, klev))
154	CALL xios_recv_field("taustrat_out",tau_aer_strat_mpi)
155	ELSE
156	ALLOCATE(tau_aer_strat_mpi(0,0))
157	ENDIF
158	CALL scatter_omp(tau_aer_strat_mpi,tau_aer_strat)
159	#endif
160	ELSE
161	!--scatter on all proc
162	CALL scatter(tauaerstrat_mois_glo,tau_aer_strat)
163	ENDIF
164
165	!--keep memory of previous month
166	mth_pre=mth_cur
167	!
168	IF (is_mpi_root.AND.is_omp_root) THEN
169	!
170	DEALLOCATE(tauaerstrat)
171	DEALLOCATE(tauaerstrat_mois)
172	DEALLOCATE(tauaerstrat_mois_glo)
173	!
174	ENDIF !-is_mpi_root and is_omp_root
175
176	!$OMP BARRIER
177
178	ENDIF !--debut ou nouveau mois
179
180	!--total vertical aod at the 6 wavelengths
181	DO wave=1, nwave_sw
182	DO k=1, klev
183	tausum_aero(:,wave,id_STRAT_phy)=tausum_aero(:,wave,id_STRAT_phy)+tau_aer_strat(:,k)*alpha_strat_wave(wave)/alpha_strat_wave(2)
184	ENDDO
185	ENDDO
186
187	!--weighted average for cg, piz and tau, adding strat aerosols on top of tropospheric ones
188	DO band=1, nbands
189	!--anthropogenic aerosols bands 1 and 2
190	cg_aero(:,:,3,band) = ( cg_aero(:,:,3,band)piz_aero(:,:,3,band)tau_aero(:,:,3,band) + &
191	cg_strat(band)piz_strat(band)alpha_strat(band)*tau_aer_strat(:,:) ) / &
192	MAX( piz_aero(:,:,3,band)*tau_aero(:,:,3,band) + &
193	piz_strat(band)alpha_strat(band)tau_aer_strat(:,:), 1.e-15 )
194	piz_aero(:,:,3,band) = ( piz_aero(:,:,3,band)*tau_aero(:,:,3,band) + &
195	piz_strat(band)alpha_strat(band)tau_aer_strat(:,:) ) / &
196	MAX( tau_aero(:,:,3,band) + alpha_strat(band)*tau_aer_strat(:,:), 1.e-15 )
197	tau_aero(:,:,3,band) = tau_aero(:,:,3,band) + alpha_strat(band)*tau_aer_strat(:,:)
198	!--natural aerosols bands 1 and 2
199	cg_aero(:,:,2,band) = ( cg_aero(:,:,2,band)piz_aero(:,:,2,band)tau_aero(:,:,2,band) + &
200	cg_strat(band)piz_strat(band)alpha_strat(band)*tau_aer_strat(:,:) ) / &
201	MAX( piz_aero(:,:,2,band)*tau_aero(:,:,2,band) + &
202	piz_strat(band)alpha_strat(band)tau_aer_strat(:,:), 1.e-15 )
203	piz_aero(:,:,2,band) = ( piz_aero(:,:,2,band)*tau_aero(:,:,2,band) + &
204	piz_strat(band)alpha_strat(band)tau_aer_strat(:,:) ) / &
205	MAX( tau_aero(:,:,2,band) + alpha_strat(band)*tau_aer_strat(:,:),1.e-15 )
206	tau_aero(:,:,2,band) = tau_aero(:,:,2,band) + alpha_strat(band)*tau_aer_strat(:,:)
207	ENDDO
208
209	end subroutine readaerosolstrato

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