source: LMDZ5/trunk/libf/phylmd/rrtm/readaerosolstrato_rrtm.F90 @ 2186

Last change on this file since 2186 was 2183, checked in by acozic, 10 years ago

-This line, and those below, will be ignored--

M phylmd/phys_output_ctrlout_mod.F90
M phylmd/rrtm/readaerosolstrato_rrtm.F90
  • 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
  • Property svn:keywords set to Author Date Id Revi
File size: 8.7 KB
Line 
1!
2! $Id: readaerosolstrato_rrtm.F90 2183 2015-01-20 09:55:33Z fairhead $
3!
4subroutine readaerosolstrato_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
12    USE mod_phys_lmdz_mpi_data, ONLY :  is_mpi_root
13    USE mod_phys_lmdz_para
14    USE phys_state_var_mod
15    USE phys_local_var_mod
16    USE aero_mod
17    USE dimphy
18    USE YOERAD   , ONLY : NLW
19
20    implicit none
21
22    include "YOMCST.h"
23    include "dimensions.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 k, band, wave, i
38    integer, save :: 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
48    real, allocatable:: sum_tau_aer_strat(:)
49
50! For NetCDF:
51    integer ncid_in  ! IDs for input files
52    integer varid, ncerr
53
54! Stratospheric aerosols optical properties
55! alpha_sw_strat over the 6 bands is normalised by the 550 nm extinction coefficient
56    real, dimension(nbands_sw_rrtm) :: alpha_sw_strat, piz_sw_strat, cg_sw_strat
57    data alpha_sw_strat/0.8545564, 0.8451642, 0.9821724, 0.8145110, 0.3073565, 7.7966176E-02/
58    data cg_sw_strat   /0.6997170, 0.6810035, 0.7403592, 0.7562674, 0.6676504, 0.3478689/
59    data piz_sw_strat  /0.9999998, 0.9999998, 1.000000000, 0.9999958, 0.9977155, 0.4510679/
60!
61!--diagnostics AOD in the SW
62! alpha_sw_strat_wave is *not* normalised by the 550 nm extinction coefficient
63    real, dimension(nwave) :: alpha_sw_strat_wave
64    data alpha_sw_strat_wave/3.708007,4.125824,4.136584,3.887478,3.507738/
65!
66!--diagnostics AOD in the LW at 10 um
67    real :: alpha_lw_strat_wave
68    data alpha_lw_strat_wave/0.2746812/
69!
70    real, dimension(nbands_lw_rrtm) :: alpha_lw_abs_rrtm
71    data alpha_lw_abs_rrtm/   8.8340312E-02, 6.9856711E-02, 6.2652975E-02, 5.7188231E-02, &
72                              6.3157059E-02, 5.5072524E-02, 5.0571125E-02, 0.1349073, &   
73                              0.1381676, 9.6506312E-02, 5.1312990E-02, 2.4256418E-02, &
74                              2.7191756E-02, 3.3862915E-02, 1.6132960E-02, 1.4275438E-02/ ! calculated with Mie_SW_LW_RRTM_V2.4 (bimodal, corrected)
75                                                                                          ! for r_0=/0.13E-6, 0.41E-6/ m, sigma_g=/1.26, 1.30/
76                                                                                          ! order: increasing wavelength!
77!--------------------------------------------------------
78
79    IF (.not.ALLOCATED(tau_aer_strat)) ALLOCATE(tau_aer_strat(klon,klev))
80    IF (.not.ALLOCATED(sum_tau_aer_strat)) ALLOCATE(sum_tau_aer_strat(klon))
81
82    IF (debut.OR.mth_cur.NE.mth_pre) THEN
83
84    IF (is_mpi_root) THEN
85
86    IF (nbands_sw_rrtm.NE.6) THEN
87        print *,'nbands_sw_rrtm doit etre egal a 6 dans readaerosolstrat_rrtm'
88        STOP
89    ENDIF
90
91    CALL nf95_open("taustrat.nc", nf90_nowrite, ncid_in)
92
93    CALL nf95_inq_varid(ncid_in, "LEV", varid)
94    CALL nf95_gw_var(ncid_in, varid, lev)
95    n_lev = size(lev)
96    IF (n_lev.NE.klev) THEN
97       print *,'Le nombre de niveaux n est pas egal a klev'
98       STOP
99    ENDIF
100
101    CALL nf95_inq_varid(ncid_in, "LAT", varid)
102    CALL nf95_gw_var(ncid_in, varid, latitude)
103    n_lat = size(latitude)
104    print *, 'LAT aerosol strato=', n_lat, latitude
105    IF (n_lat.NE.jjm+1) THEN
106       print *,'Le nombre de lat n est pas egal a jjm+1'
107       STOP
108    ENDIF
109
110    CALL nf95_inq_varid(ncid_in, "LON", varid)
111    CALL nf95_gw_var(ncid_in, varid, longitude)
112    n_lon = size(longitude)
113    print *, 'LON aerosol strato=', n_lon, longitude
114    IF (n_lon.NE.iim) THEN
115       print *,'Le nombre de lon n est pas egal a iim'
116       STOP
117    ENDIF
118
119    CALL nf95_inq_varid(ncid_in, "TIME", varid)
120    CALL nf95_gw_var(ncid_in, varid, time)
121    n_month = size(time)
122    print *, 'TIME aerosol strato=', n_month, time
123    IF (n_month.NE.12) THEN
124       print *,'Le nombre de month n est pas egal a 12'
125       STOP
126    ENDIF
127
128    ALLOCATE(tauaerstrat(n_lon, n_lat, n_lev, n_month))
129    ALLOCATE(tauaerstrat_mois(n_lon, n_lat, n_lev))
130    ALLOCATE(tauaerstrat_mois_glo(klon_glo, n_lev))
131
132!--reading stratospheric AOD at 550 nm
133    CALL nf95_inq_varid(ncid_in, "TAUSTRAT", varid)
134    ncerr = nf90_get_var(ncid_in, varid, tauaerstrat)
135    print *,'code erreur readaerosolstrato=', ncerr, varid
136
137    CALL nf95_close(ncid_in)
138
139!---select the correct month
140    IF (mth_cur.LT.1.OR.mth_cur.GT.12) THEN
141      print *,'probleme avec le mois dans readaerosolstrat =', mth_cur
142    ENDIF
143    tauaerstrat_mois(:,:,:) = tauaerstrat(:,:,:,mth_cur)
144
145!---reduce to a klon_glo grid
146    CALL grid2dTo1d_glo(tauaerstrat_mois,tauaerstrat_mois_glo)
147
148    ENDIF !--is_mpi_root
149
150!--keep memory of previous month
151    mth_pre=mth_cur
152
153!--scatter on all proc
154    CALL scatter(tauaerstrat_mois_glo,tau_aer_strat)
155
156    IF (is_mpi_root) THEN
157!
158    DEALLOCATE(tauaerstrat)
159    DEALLOCATE(tauaerstrat_mois)
160    DEALLOCATE(tauaerstrat_mois_glo)
161!
162    ENDIF !--is_mpi_root
163
164    ENDIF !--debut ou nouveau mois
165
166!--total vertical aod at the 5 SW wavelengths
167    DO wave=1, nwave
168    DO k=1, klev
169    tausum_aero(:,wave,id_STRAT_phy)=tausum_aero(:,wave,id_STRAT_phy)+ &
170       tau_aer_strat(:,k)*alpha_sw_strat_wave(wave)/alpha_sw_strat_wave(2)
171    ENDDO
172    ENDDO
173
174!--weighted average for cg, piz and tau, adding strat aerosols on top of tropospheric ones
175    DO band=1, nbands_sw_rrtm
176!--anthropogenic aerosols bands 1 to nbands_sw_rrtm
177    cg_aero_sw_rrtm(:,:,2,band)  = ( cg_aero_sw_rrtm(:,:,2,band)*piz_aero_sw_rrtm(:,:,2,band)*tau_aero_sw_rrtm(:,:,2,band) + &
178                                  cg_sw_strat(band)*piz_sw_strat(band)*alpha_sw_strat(band)*tau_aer_strat(:,:) ) /           &
179                             MAX( piz_aero_sw_rrtm(:,:,2,band)*tau_aero_sw_rrtm(:,:,2,band) +                                &
180                                  piz_sw_strat(band)*alpha_sw_strat(band)*tau_aer_strat(:,:), 1.e-15 )
181    piz_aero_sw_rrtm(:,:,2,band)  = ( piz_aero_sw_rrtm(:,:,2,band)*tau_aero_sw_rrtm(:,:,2,band) +                            &
182                              piz_sw_strat(band)*alpha_sw_strat(band)*tau_aer_strat(:,:) ) /                                 &
183                              MAX( tau_aero_sw_rrtm(:,:,2,band) + alpha_sw_strat(band)*tau_aer_strat(:,:), 1.e-15 )
184    tau_aero_sw_rrtm(:,:,2,band)  = tau_aero_sw_rrtm(:,:,2,band) + alpha_sw_strat(band)*tau_aer_strat(:,:)
185!--natural aerosols bands 1 to nbands_sw_rrtm
186    cg_aero_sw_rrtm(:,:,1,band)  = ( cg_aero_sw_rrtm(:,:,1,band)*piz_aero_sw_rrtm(:,:,1,band)*tau_aero_sw_rrtm(:,:,1,band) + &
187                             cg_sw_strat(band)*piz_sw_strat(band)*alpha_sw_strat(band)*tau_aer_strat(:,:) ) /                &
188                             MAX( piz_aero_sw_rrtm(:,:,1,band)*tau_aero_sw_rrtm(:,:,1,band) +                                &
189                                  piz_sw_strat(band)*alpha_sw_strat(band)*tau_aer_strat(:,:), 1.e-15 )
190    piz_aero_sw_rrtm(:,:,1,band)  = ( piz_aero_sw_rrtm(:,:,1,band)*tau_aero_sw_rrtm(:,:,1,band) +                            &
191                              piz_sw_strat(band)*alpha_sw_strat(band)*tau_aer_strat(:,:) ) /                                 &
192                              MAX( tau_aero_sw_rrtm(:,:,1,band) + alpha_sw_strat(band)*tau_aer_strat(:,:),1.e-15 )
193    tau_aero_sw_rrtm(:,:,1,band)  = tau_aero_sw_rrtm(:,:,1,band) + alpha_sw_strat(band)*tau_aer_strat(:,:)
194!--no stratospheric aerosol in index 1 for these tests
195!    cg_aero_sw_rrtm(:,:,1,band)  =  cg_aero_sw_rrtm(:,:,1,band)
196!    piz_aero_sw_rrtm(:,:,1,band)  = piz_aero_sw_rrtm(:,:,1,band)
197!    tau_aero_sw_rrtm(:,:,1,band)  = tau_aero_sw_rrtm(:,:,1,band)
198    ENDDO
199
200!--stratospheric AOD in LW
201    IF (nbands_lw_rrtm .NE. NLW) then
202      print*, 'different values for NLW (=',NLW,') and nbands_lw_rrtm (=', nbands_lw_rrtm, ')'
203      STOP
204    ENDIF
205
206    DO band=1, nbands_lw_rrtm
207    tau_aero_lw_rrtm(:,:,2,band)  = tau_aero_lw_rrtm(:,:,2,band) + alpha_lw_abs_rrtm(band)*tau_aer_strat(:,:)
208    tau_aero_lw_rrtm(:,:,1,band)  = tau_aero_lw_rrtm(:,:,1,band) + alpha_lw_abs_rrtm(band)*tau_aer_strat(:,:)
209!--no stratospheric aerosols in index 1 for these tests
210!    tau_aero_lw_rrtm(:,:,1,band)  = tau_aero_lw_rrtm(:,:,1,band)
211    ENDDO
212
213end subroutine readaerosolstrato_rrtm
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