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