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! $Id: readaerosolstrato1_rrtm.F90 2526 2016-05-26 22:13:40Z oboucher $ |
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SUBROUTINE readaerosolstrato1_rrtm(debut) |
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USE netcdf95, ONLY: nf95_close, nf95_gw_var, nf95_inq_dimid, & |
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nf95_inq_varid, nf95_open |
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USE netcdf, ONLY: nf90_get_var, nf90_noerr, nf90_nowrite |
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USE phys_cal_mod, ONLY : mth_cur |
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USE mod_grid_phy_lmdz, ONLY: nbp_lon, nbp_lat, klon_glo, grid2dTo1d_glo, grid_type, unstructured |
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USE mod_phys_lmdz_para |
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USE phys_state_var_mod |
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USE phys_local_var_mod |
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USE aero_mod |
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USE dimphy |
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USE YOERAD, ONLY : NLW |
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USE YOMCST |
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#ifdef CPP_XIOS |
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USE xios |
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#endif |
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IMPLICIT NONE |
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! Variable input |
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LOGICAL debut |
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! Variables locales |
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INTEGER n_lat ! number of latitudes in the input data |
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INTEGER n_lon ! number of longitudes in the input data |
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INTEGER n_lev ! number of levels in the input data |
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INTEGER n_month ! number of months in the input data |
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REAL, ALLOCATABLE:: latitude(:) |
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REAL, ALLOCATABLE:: longitude(:) |
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REAL, ALLOCATABLE:: time(:) |
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REAL, ALLOCATABLE:: lev(:) |
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INTEGER k, band, wave, i |
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INTEGER, SAVE :: mth_pre=1 |
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!$OMP THREADPRIVATE(mth_pre) |
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REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: tau_aer_strat |
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!$OMP THREADPRIVATE(tau_aer_strat) |
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! Champs reconstitues |
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REAL, ALLOCATABLE:: tauaerstrat(:, :, :, :) |
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REAL, ALLOCATABLE:: tauaerstrat_mois(:, :, :) |
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REAL, ALLOCATABLE:: tauaerstrat_mois_glo(:, :) |
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REAL, ALLOCATABLE:: tauaerstrat_mpi(:, :) |
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! For NetCDF: |
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INTEGER ncid_in ! IDs for input files |
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INTEGER varid, ncerr |
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! Stratospheric aerosols optical properties |
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! alpha_sw_strat over the 6 bands is normalised by the 550 nm extinction coefficient |
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REAL, DIMENSION(nbands_sw_rrtm) :: alpha_sw_strat, piz_sw_strat, cg_sw_strat |
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DATA alpha_sw_strat/0.8545564, 0.8451642, 0.9821724, 0.8145110, 0.3073565, 7.7966176E-02/ |
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DATA cg_sw_strat /0.6997170, 0.6810035, 0.7403592, 0.7562674, 0.6676504, 0.3478689/ |
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DATA piz_sw_strat /0.9999998, 0.9999998, 1.000000000, 0.9999958, 0.9977155, 0.4510679/ |
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! |
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!--diagnostics AOD in the SW |
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! alpha_sw_strat_wave is *not* normalised by the 550 nm extinction coefficient |
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REAL, DIMENSION(nwave_sw) :: alpha_sw_strat_wave |
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DATA alpha_sw_strat_wave/3.708007,4.125824,4.136584,3.887478,3.507738/ |
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!--diagnostics AOD in the LW at 10 um (not normalised by the 550 nm ext coefficient |
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REAL :: alpha_lw_strat_wave(nwave_lw) |
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DATA alpha_lw_strat_wave/0.2746812/ |
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! |
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REAL, DIMENSION(nbands_lw_rrtm) :: alpha_lw_abs_rrtm |
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DATA alpha_lw_abs_rrtm/ 8.8340312E-02, 6.9856711E-02, 6.2652975E-02, 5.7188231E-02, & |
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6.3157059E-02, 5.5072524E-02, 5.0571125E-02, 0.1349073, & |
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0.1381676, 9.6506312E-02, 5.1312990E-02, 2.4256418E-02, & |
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2.7191756E-02, 3.3862915E-02, 1.6132960E-02, 1.4275438E-02/ ! calculated with Mie_SW_LW_RRTM_V2.4 (bimodal, corrected) |
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! for r_0=/0.13E-6, 0.41E-6/ m, sigma_g=/1.26, 1.30/ |
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! order: increasing wavelength! |
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!-------------------------------------------------------- |
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IF (.not.ALLOCATED(tau_aer_strat)) ALLOCATE(tau_aer_strat(klon,klev)) |
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!--we only read monthly strat aerosol data |
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IF (debut.OR.mth_cur.NE.mth_pre) THEN |
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!--only root reads the data |
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IF (is_mpi_root.AND.is_omp_root) THEN |
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IF (nbands_sw_rrtm.NE.6) THEN |
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print *,'nbands_sw_rrtm doit etre egal a 6 dans readaerosolstrat_rrtm' |
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STOP |
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ENDIF |
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CALL nf95_open("taustrat.nc", nf90_nowrite, ncid_in) |
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CALL nf95_inq_varid(ncid_in, "LEV", varid) |
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CALL nf95_gw_var(ncid_in, varid, lev) |
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n_lev = size(lev) |
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IF (n_lev.NE.klev) THEN |
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print *,'Le nombre de niveaux n est pas egal a klev' |
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STOP |
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ENDIF |
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CALL nf95_inq_varid(ncid_in, "LAT", varid) |
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CALL nf95_gw_var(ncid_in, varid, latitude) |
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n_lat = size(latitude) |
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print *, 'LAT aerosol strato=', n_lat, latitude |
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IF (grid_type/=unstructured) THEN |
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IF (n_lat.NE.nbp_lat) THEN |
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print *,'Le nombre de lat n est pas egal a nbp_lat' |
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STOP |
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ENDIF |
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ENDIF |
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CALL nf95_inq_varid(ncid_in, "LON", varid) |
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CALL nf95_gw_var(ncid_in, varid, longitude) |
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n_lon = size(longitude) |
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print *, 'LON aerosol strato=', n_lon, longitude |
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IF (grid_type/=unstructured) THEN |
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IF (n_lon.NE.nbp_lon) THEN |
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print *,'Le nombre de lon n est pas egal a nbp_lon' |
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STOP |
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ENDIF |
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ENDIF |
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CALL nf95_inq_varid(ncid_in, "TIME", varid) |
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CALL nf95_gw_var(ncid_in, varid, time) |
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n_month = size(time) |
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print *, 'TIME aerosol strato=', n_month, time |
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IF (n_month.NE.12) THEN |
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print *,'Le nombre de month n est pas egal a 12' |
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STOP |
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ENDIF |
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ALLOCATE(tauaerstrat(n_lon, n_lat, n_lev, n_month)) |
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ALLOCATE(tauaerstrat_mois(n_lon, n_lat, n_lev)) |
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ALLOCATE(tauaerstrat_mois_glo(klon_glo, n_lev)) |
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!--reading stratospheric AOD at 550 nm |
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CALL nf95_inq_varid(ncid_in, "TAUSTRAT", varid) |
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ncerr = nf90_get_var(ncid_in, varid, tauaerstrat) |
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print *,'code erreur readaerosolstrato=', ncerr, varid |
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CALL nf95_close(ncid_in) |
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!---select the correct month |
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IF (mth_cur.LT.1.OR.mth_cur.GT.12) THEN |
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print *,'probleme avec le mois dans readaerosolstrat =', mth_cur |
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ENDIF |
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tauaerstrat_mois(:,:,:) = tauaerstrat(:,:,:,mth_cur) |
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!---reduce to a klon_glo grid |
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CALL grid2dTo1d_glo(tauaerstrat_mois,tauaerstrat_mois_glo) |
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ELSE |
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ALLOCATE(tauaerstrat_mois(0,0,0)) |
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ENDIF !--is_mpi_root and is_omp_root |
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!$OMP BARRIER |
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!--keep memory of previous month |
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mth_pre=mth_cur |
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!--scatter on all proc |
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IF (grid_type==unstructured) THEN |
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#ifdef CPP_XIOS |
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IF (is_omp_master) THEN |
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ALLOCATE(tauaerstrat_mpi(klon_mpi,klev)) |
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CALL xios_send_field("taustrat_in",tauaerstrat_mois) |
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CALL xios_recv_field("taustrat_out",tauaerstrat_mpi) |
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ELSE |
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ALLOCATE(tauaerstrat_mpi(0,0)) |
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ENDIF |
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CALL scatter_omp(tauaerstrat_mpi,tau_aer_strat) |
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#endif |
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ELSE |
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CALL scatter(tauaerstrat_mois_glo,tau_aer_strat) |
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ENDIF |
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IF (is_mpi_root.AND.is_omp_root) THEN |
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DEALLOCATE(tauaerstrat) |
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DEALLOCATE(tauaerstrat_mois) |
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DEALLOCATE(tauaerstrat_mois_glo) |
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! |
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ENDIF !--is_mpi_root and is_omp_root |
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!$OMP BARRIER |
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ENDIF !--debut ou nouveau mois |
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!--total vertical aod at the 5 SW wavelengths |
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DO wave=1, nwave_sw |
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DO k=1, klev |
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tausum_aero(:,wave,id_STRAT_phy)=tausum_aero(:,wave,id_STRAT_phy)+ & |
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tau_aer_strat(:,k)*alpha_sw_strat_wave(wave)/alpha_sw_strat_wave(2) |
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ENDDO |
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ENDDO |
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!--weighted average for cg, piz and tau, adding strat aerosols on top of tropospheric ones |
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DO band=1, nbands_sw_rrtm |
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!--anthropogenic aerosols bands 1 to nbands_sw_rrtm |
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cg_aero_sw_rrtm(:,:,2,band) = ( cg_aero_sw_rrtm(:,:,2,band)*piz_aero_sw_rrtm(:,:,2,band)*tau_aero_sw_rrtm(:,:,2,band) + & |
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cg_sw_strat(band)*piz_sw_strat(band)*alpha_sw_strat(band)*tau_aer_strat(:,:) ) / & |
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MAX( piz_aero_sw_rrtm(:,:,2,band)*tau_aero_sw_rrtm(:,:,2,band) + & |
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piz_sw_strat(band)*alpha_sw_strat(band)*tau_aer_strat(:,:), 1.e-15 ) |
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piz_aero_sw_rrtm(:,:,2,band) = ( piz_aero_sw_rrtm(:,:,2,band)*tau_aero_sw_rrtm(:,:,2,band) + & |
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piz_sw_strat(band)*alpha_sw_strat(band)*tau_aer_strat(:,:) ) / & |
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MAX( tau_aero_sw_rrtm(:,:,2,band) + alpha_sw_strat(band)*tau_aer_strat(:,:), 1.e-15 ) |
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tau_aero_sw_rrtm(:,:,2,band) = tau_aero_sw_rrtm(:,:,2,band) + alpha_sw_strat(band)*tau_aer_strat(:,:) |
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!--natural aerosols bands 1 to nbands_sw_rrtm |
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cg_aero_sw_rrtm(:,:,1,band) = ( cg_aero_sw_rrtm(:,:,1,band)*piz_aero_sw_rrtm(:,:,1,band)*tau_aero_sw_rrtm(:,:,1,band) + & |
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cg_sw_strat(band)*piz_sw_strat(band)*alpha_sw_strat(band)*tau_aer_strat(:,:) ) / & |
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MAX( piz_aero_sw_rrtm(:,:,1,band)*tau_aero_sw_rrtm(:,:,1,band) + & |
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piz_sw_strat(band)*alpha_sw_strat(band)*tau_aer_strat(:,:), 1.e-15 ) |
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piz_aero_sw_rrtm(:,:,1,band) = ( piz_aero_sw_rrtm(:,:,1,band)*tau_aero_sw_rrtm(:,:,1,band) + & |
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piz_sw_strat(band)*alpha_sw_strat(band)*tau_aer_strat(:,:) ) / & |
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MAX( tau_aero_sw_rrtm(:,:,1,band) + alpha_sw_strat(band)*tau_aer_strat(:,:),1.e-15 ) |
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tau_aero_sw_rrtm(:,:,1,band) = tau_aero_sw_rrtm(:,:,1,band) + alpha_sw_strat(band)*tau_aer_strat(:,:) |
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!--no stratospheric aerosol in index 1 for these tests |
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! cg_aero_sw_rrtm(:,:,1,band) = cg_aero_sw_rrtm(:,:,1,band) |
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! piz_aero_sw_rrtm(:,:,1,band) = piz_aero_sw_rrtm(:,:,1,band) |
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! tau_aero_sw_rrtm(:,:,1,band) = tau_aero_sw_rrtm(:,:,1,band) |
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ENDDO |
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!--stratospheric AOD in LW |
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IF (nbands_lw_rrtm .NE. NLW) then |
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print*, 'different values for NLW (=',NLW,') and nbands_lw_rrtm (=', nbands_lw_rrtm, ')' |
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STOP |
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ENDIF |
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!--total vertical aod at the 1 LW wavelength |
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DO wave=1, nwave_lw |
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DO k=1, klev |
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tausum_aero(:,nwave_sw+wave,id_STRAT_phy)=tausum_aero(:,nwave_sw+wave,id_STRAT_phy)+ & |
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tau_aer_strat(:,k)*alpha_lw_strat_wave(wave)/alpha_sw_strat_wave(2) |
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ENDDO |
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ENDDO |
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DO band=1, nbands_lw_rrtm |
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tau_aero_lw_rrtm(:,:,2,band) = tau_aero_lw_rrtm(:,:,2,band) + alpha_lw_abs_rrtm(band)*tau_aer_strat(:,:) |
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tau_aero_lw_rrtm(:,:,1,band) = tau_aero_lw_rrtm(:,:,1,band) + alpha_lw_abs_rrtm(band)*tau_aer_strat(:,:) |
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!--no stratospheric aerosols in index 1 for these tests |
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! tau_aero_lw_rrtm(:,:,1,band) = tau_aero_lw_rrtm(:,:,1,band) |
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ENDDO |
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!--default SSA value if there is no aerosol |
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!--to avoid 0 values that seems to cause some problem to RRTM |
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WHERE (tau_aero_sw_rrtm.LT.1.e-14) |
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piz_aero_sw_rrtm = 1.0 |
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ENDWHERE |
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!--in principle this should not be necessary |
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!--as these variables have min values already but just in case |
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!--put 1e-15 min value to both SW and LW AOD |
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tau_aero_sw_rrtm = MAX(tau_aero_sw_rrtm,1.e-15) |
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tau_aero_lw_rrtm = MAX(tau_aero_lw_rrtm,1.e-15) |
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END SUBROUTINE readaerosolstrato1_rrtm |