! ! $Id: aeropt_5wv_rrtm.F90 2058 2014-06-16 15:00:45Z idelkadi $ ! SUBROUTINE AEROPT_5WV_RRTM(& pdel, m_allaer, delt, & RHcl, ai, flag_aerosol, & pplay, t_seri, & tausum, tau ) USE DIMPHY USE aero_mod USE phys_local_var_mod, only: od550aer,od865aer,ec550aer,od550lt1aer USE YOMCST , only : RD , RG ! ! Yves Balkanski le 12 avril 2006 ! Celine Deandreis ! Anne Cozic Avril 2009 ! a partir d'une sous-routine de Johannes Quaas pour les sulfates ! Olivier Boucher mars 2014 pour adaptation RRTM ! ! Refractive indices for seasalt come from Shettle and Fenn (1979) ! ! Refractive indices from water come from Hale and Querry (1973) ! ! Refractive indices from Ammonium Sulfate Toon and Pollack (1976) ! ! Refractive indices for Dust, internal mixture of minerals coated with 1.5% hematite ! by Volume (Balkanski et al., 2006) ! ! Refractive indices for POM: Kinne (pers. Communication ! ! Refractive index for BC from Shettle and Fenn (1979) ! ! Shettle, E. P., & Fenn, R. W. (1979), Models for the aerosols of the lower atmosphere and ! the effects of humidity variations on their optical properties, U.S. Air Force Geophysics ! Laboratory Rept. AFGL-TR-79-0214, Hanscomb Air Force Base, MA. ! ! Hale, G. M. and M. R. Querry, Optical constants of water in the 200-nm to 200-m ! wavelength region, Appl. Opt., 12, 555-563, 1973. ! ! Toon, O. B. and J. B. Pollack, The optical constants of several atmospheric aerosol species: ! Ammonium sulfate, aluminum oxide, and sodium chloride, J. Geohys. Res., 81, 5733-5748, ! 1976. ! ! Balkanski, Y., M. Schulz, T. Claquin And O. Boucher, Reevaluation of mineral aerosol ! radiative forcings suggests a better agreement with satellite and AERONET data, Atmospheric ! Chemistry and Physics Discussions., 6, pp 8383-8419, 2006. ! IMPLICIT NONE ! ! Input arguments: ! REAL, DIMENSION(klon,klev), INTENT(in) :: pdel REAL, INTENT(in) :: delt REAL, DIMENSION(klon,klev,naero_spc), INTENT(in) :: m_allaer REAL, DIMENSION(klon,klev), INTENT(in) :: RHcl ! humidite relative ciel clair INTEGER,INTENT(in) :: flag_aerosol REAL, DIMENSION(klon,klev), INTENT(in) :: pplay REAL, DIMENSION(klon,klev), INTENT(in) :: t_seri ! ! Output arguments: ! REAL, DIMENSION(klon), INTENT(out) :: ai ! POLDER aerosol index REAL, DIMENSION(klon,nwave,naero_tot), INTENT(out) :: tausum REAL, DIMENSION(klon,klev,nwave,naero_tot), INTENT(out) :: tau ! ! Local ! INTEGER, PARAMETER :: las = nwave LOGICAL :: soluble INTEGER :: i, k, m INTEGER :: spsol, spinsol, la INTEGER :: RH_num(klon,klev) INTEGER, PARAMETER :: la443 = 1 INTEGER, PARAMETER :: la550 = 2 INTEGER, PARAMETER :: la670 = 3 INTEGER, PARAMETER :: la765 = 4 INTEGER, PARAMETER :: la865 = 5 INTEGER, PARAMETER :: nbre_RH=12 INTEGER, PARAMETER :: naero_soluble=7 ! 1- BC soluble; 2- POM soluble; 3- SO4 acc. ! 4- SO4 coarse; 5 seasalt super-C; 6 seasalt coarse; 7 seasalt acc. INTEGER, PARAMETER :: naero_insoluble=3 ! 1- Dust; 2- BC insoluble; 3- POM insoluble REAL :: zrho REAL, PARAMETER :: RH_tab(nbre_RH)=(/0.,10.,20.,30.,40.,50.,60.,70.,80.,85.,90.,95./) REAL, PARAMETER :: RH_MAX=95. REAL :: delta(klon,klev), rh(klon,klev) REAL :: tau_ae5wv_int ! Intermediate computation of epaisseur optique aerosol REAL :: od670aer(klon) ! epaisseur optique aerosol extinction 670 nm REAL :: fac REAL :: zdp1(klon,klev) INTEGER, ALLOCATABLE, DIMENSION(:) :: aerosol_name INTEGER :: nb_aer REAL :: dh(KLON,KLEV) ! Soluble components 1- BC soluble; 2- POM soluble; 3- SO4 acc.; 4- SO4 coarse; 5 seasalt super-coarse; 6 seasalt coarse; 7 seasalt acc. REAL :: alpha_aers_5wv(nbre_RH,las,naero_soluble) ! Ext. coeff. ** m2/g ! Insoluble components 1- Dust: 2- BC; 3- POM REAL :: alpha_aeri_5wv(las,naero_insoluble) ! Ext. coeff. ** m2/g REAL, DIMENSION(klon,klev,naero_spc) :: mass_temp ! ! Proprietes optiques ! REAL :: fact_RH(nbre_RH) LOGICAL :: used_tau(naero_tot) INTEGER :: n ! From here on we look at the optical parameters at 5 wavelengths: ! 443nm, 550, 670, 765 and 865 nm ! le 12 AVRIL 2006 ! DATA alpha_aers_5wv/ & ! bc soluble 7.930,7.930,7.930,7.930,7.930,7.930, & 7.930,7.930,10.893,12.618,14.550,16.613, & 7.658,7.658,7.658,7.658,7.658,7.658, & 7.658,7.658,10.351,11.879,13.642,15.510, & 7.195,7.195,7.195,7.195,7.195,7.195, & 7.195,7.195,9.551,10.847,12.381,13.994, & 6.736,6.736,6.736,6.736,6.736,6.736, & 6.736,6.736,8.818,9.938,11.283,12.687, & 6.277,6.277,6.277,6.277,6.277,6.277, & 6.277,6.277,8.123,9.094,10.275,11.501, & ! pom soluble 6.676,6.676,6.676,6.676,6.710,6.934, & 7.141,7.569,8.034,8.529,9.456,10.511, & 5.109,5.109,5.109,5.109,5.189,5.535, & 5.960,6.852,8.008,9.712,12.897,19.676, & 3.718,3.718,3.718,3.718,3.779,4.042, & 4.364,5.052,5.956,7.314,9.896,15.688, & 2.849,2.849,2.849,2.849,2.897,3.107, & 3.365,3.916,4.649,5.760,7.900,12.863, & 2.229,2.229,2.229,2.229,2.268,2.437, & 2.645,3.095,3.692,4.608,6.391,10.633, & ! Sulfate (Accumulation) 5.751,6.215,6.690,7.024,7.599,8.195, & 9.156,10.355,12.660,14.823,18.908,24.508, & 4.320,4.675,5.052,5.375,5.787,6.274, & 7.066,8.083,10.088,12.003,15.697,21.133, & 3.079,3.351,3.639,3.886,4.205,4.584, & 5.206,6.019,7.648,9.234,12.391,17.220, & 2.336,2.552,2.781,2.979,3.236,3.540, & 4.046,4.711,6.056,7.388,10.093,14.313, & 1.777,1.949,2.134,2.292,2.503,2.751, & 3.166,3.712,4.828,5.949,8.264,11.922, & ! Sulfate (Coarse) 5.751,6.215,6.690,7.024,7.599,8.195, & 9.156,10.355,12.660,14.823,18.908,24.508, & 4.320,4.675,5.052,5.375,5.787,6.274, & 7.066,8.083,10.088,12.003,15.697,21.133, & 3.079,3.351,3.639,3.886,4.205,4.584, & 5.206,6.019,7.648,9.234,12.391,17.220, & 2.336,2.552,2.781,2.979,3.236,3.540, & 4.046,4.711,6.056,7.388,10.093,14.313, & 1.777,1.949,2.134,2.292,2.503,2.751, & 3.166,3.712,4.828,5.949,8.264,11.922, & ! seasalt seasalt Super Coarse Soluble (SS) 0.218, 0.240, 0.262, 0.311, 0.391, 0.452, & 0.544, 0.614, 0.886, 1.018, 1.260, 2.336, & 0.221, 0.243, 0.266, 0.315, 0.396, 0.455, & 0.551, 0.622, 0.896, 1.029, 1.270, 2.352, & 0.224, 0.246, 0.270, 0.319, 0.400, 0.461, & 0.558, 0.626, 0.904, 1.039, 1.278, 2.362, & 0.227, 0.249, 0.272, 0.322, 0.404, 0.466, & 0.560, 0.632, 0.907, 1.041, 1.284, 2.375, & 0.230, 0.252, 0.276, 0.325, 0.408, 0.469, & 0.567, 0.636, 0.917, 1.052, 1.293, 2.383, & ! seasalt seasalt Coarse Soluble (CS) 0.578, 0.632, 0.691, 0.814, 1.017, 1.171, & 1.407, 1.585, 2.264, 2.594, 3.197, 5.882, & 0.598, 0.654, 0.711, 0.836, 1.041, 1.201, & 1.445, 1.622, 2.313, 2.647, 3.256, 5.961, & 0.619, 0.676, 0.736, 0.862, 1.072, 1.234, & 1.484, 1.659, 2.361, 2.698, 3.304, 6.014, & 0.633, 0.692, 0.754, 0.884, 1.095, 1.262, & 1.510, 1.693, 2.395, 2.734, 3.352, 6.090, & 0.648, 0.708, 0.771, 0.902, 1.119, 1.288, & 1.545, 1.725, 2.441, 2.784, 3.402, 6.144, & ! seasalt seasalt Accumulation Soluble (AS) 4.432, 5.160, 5.940, 7.646,10.520,11.464, & 14.686,16.949,25.977,30.118,37.327,65.333, & 3.298, 3.916, 4.594, 6.127, 8.845, 9.446, & 12.511,14.710,24.073,28.546,36.578,69.050, & 2.340, 2.826, 3.371, 4.638, 6.992, 7.360, & 10.047,12.016,20.909,25.349,33.605,69.554, & 1.789, 2.185, 2.633, 3.698, 5.733, 5.994, & 8.345,10.094,18.293,22.511,30.548,67.717, & 1.359, 1.676, 2.040, 2.916, 4.637, 4.829, & 6.843, 8.364,15.723,19.614,27.195,64.359 / DATA alpha_aeri_5wv/ & ! dust insoluble 0.759, 0.770, 0.775, 0.775, 0.772, & !!jb bc insoluble 11.536,10.033, 8.422, 7.234, 6.270, & ! pom insoluble 5.042, 3.101, 1.890, 1.294, 0.934/ ! ! Initialisations ai(:) = 0. tausum(:,:,:) = 0. DO k=1, klev DO i=1, klon zrho=pplay(i,k)/t_seri(i,k)/RD ! kg/m3 dh(i,k)=pdel(i,k)/(RG*zrho) !CDIR UNROLL=naero_spc mass_temp(i,k,:) = m_allaer(i,k,:) / zrho / 1.e+9 zdp1(i,k)=pdel(i,k)/(RG*delt) ! air mass auxiliary variable --> zdp1 [kg/(m^2 *s)] ENDDO ENDDO IF (flag_aerosol .EQ. 1) THEN nb_aer = 2 ALLOCATE (aerosol_name(nb_aer)) aerosol_name(1) = id_ASSO4M aerosol_name(2) = id_CSSO4M ELSEIF (flag_aerosol .EQ. 2) THEN nb_aer = 2 ALLOCATE (aerosol_name(nb_aer)) aerosol_name(1) = id_ASBCM aerosol_name(2) = id_AIBCM ELSEIF (flag_aerosol .EQ. 3) THEN nb_aer = 2 ALLOCATE (aerosol_name(nb_aer)) aerosol_name(1) = id_ASPOMM aerosol_name(2) = id_AIPOMM ELSEIF (flag_aerosol .EQ. 4) THEN nb_aer = 3 ALLOCATE (aerosol_name(nb_aer)) aerosol_name(1) = id_CSSSM aerosol_name(2) = id_SSSSM aerosol_name(3) = id_ASSSM ELSEIF (flag_aerosol .EQ. 5) THEN nb_aer = 1 ALLOCATE (aerosol_name(nb_aer)) aerosol_name(1) = id_CIDUSTM ELSEIF (flag_aerosol .EQ. 6) THEN nb_aer = 10 ALLOCATE (aerosol_name(nb_aer)) aerosol_name(1) = id_ASSO4M aerosol_name(2) = id_ASBCM aerosol_name(3) = id_AIBCM aerosol_name(4) = id_ASPOMM aerosol_name(5) = id_AIPOMM aerosol_name(6) = id_CSSSM aerosol_name(7) = id_SSSSM aerosol_name(8) = id_ASSSM aerosol_name(9) = id_CIDUSTM aerosol_name(10) = id_CSSO4M ENDIF ! ! Loop over modes, use of precalculated nmd and corresponding sigma ! loop over wavelengths ! for each mass species in mode ! interpolate from Sext to retrieve Sext_at_gridpoint_per_species ! compute optical_thickness_at_gridpoint_per_species ! ! Calculations that need to be done since we are not in the subroutines INCA ! !CDIR ON_ADB(RH_tab) !CDIR ON_ADB(fact_RH) !CDIR NOVECTOR DO n=1,nbre_RH-1 fact_RH(n)=1./(RH_tab(n+1)-RH_tab(n)) ENDDO DO k=1, KLEV !CDIR ON_ADB(RH_tab) !CDIR ON_ADB(fact_RH) DO i=1, KLON rh(i,k)=MIN(RHcl(i,k)*100.,RH_MAX) RH_num(i,k) = INT( rh(i,k)/10. + 1.) IF (rh(i,k).GT.85.) RH_num(i,k)=10 IF (rh(i,k).GT.90.) RH_num(i,k)=11 delta(i,k)=(rh(i,k)-RH_tab(RH_num(i,k)))*fact_RH(RH_num(i,k)) ENDDO ENDDO !CDIR SHORTLOOP used_tau(:)=.FALSE. DO m=1,nb_aer ! tau is only computed for each mass fac=1.0 IF (aerosol_name(m).EQ.id_ASBCM) THEN soluble=.TRUE. spsol=1 ELSEIF (aerosol_name(m).EQ.id_ASPOMM) THEN soluble=.TRUE. spsol=2 ELSEIF (aerosol_name(m).EQ.id_ASSO4M) THEN soluble=.TRUE. spsol=3 fac=1.375 ! (NH4)2-SO4/SO4 132/96 mass conversion factor for OD ELSEIF (aerosol_name(m).EQ.id_CSSO4M) THEN soluble=.TRUE. spsol=4 fac=1.375 ! (NH4)2-SO4/SO4 132/96 mass conversion factor for OD ELSEIF (aerosol_name(m).EQ.id_SSSSM) THEN soluble=.TRUE. spsol=5 ELSEIF (aerosol_name(m).EQ.id_CSSSM) THEN soluble=.TRUE. spsol=6 ELSEIF (aerosol_name(m).EQ.id_ASSSM) THEN soluble=.TRUE. spsol=7 ELSEIF (aerosol_name(m).EQ.id_CIDUSTM) THEN soluble=.FALSE. spinsol=1 ELSEIF (aerosol_name(m).EQ.id_AIBCM) THEN soluble=.FALSE. spinsol=2 ELSEIF (aerosol_name(m).EQ.id_AIPOMM) THEN soluble=.FALSE. spinsol=3 ELSE CYCLE ENDIF IF (soluble) then used_tau(spsol)=.TRUE. ELSE used_tau(naero_soluble+spinsol)=.TRUE. ENDIF DO la=1,las IF (soluble) THEN ! For soluble aerosol DO k=1, KLEV DO i=1, KLON tau_ae5wv_int = alpha_aers_5wv(RH_num(i,k),la,spsol)+DELTA(i,k)* & (alpha_aers_5wv(RH_num(i,k)+1,la,spsol) - & alpha_aers_5wv(RH_num(i,k),la,spsol)) tau(i,k,la,spsol) = mass_temp(i,k,spsol)*1000.*zdp1(i,k) & *tau_ae5wv_int*delt*fac tausum(i,la,spsol)=tausum(i,la,spsol)+tau(i,k,la,spsol) ENDDO ENDDO ELSE ! For insoluble aerosol DO k=1, KLEV DO i=1, KLON tau_ae5wv_int = alpha_aeri_5wv(la,spinsol) tau(i,k,la,naero_soluble+spinsol) = mass_temp(i,k,naero_soluble+spinsol)*1000.*zdp1(i,k)* & tau_ae5wv_int*delt*fac tausum(i,la,naero_soluble+spinsol)= tausum(i,la,naero_soluble+spinsol) & +tau(i,k,la,naero_soluble+spinsol) ENDDO ENDDO ENDIF ENDDO ! Boucle sur les longueurs d'onde ENDDO ! Boucle sur les masses de traceurs DO m=1,naero_tot IF (.NOT.used_tau(m)) tau(:,:,:,m)=0. ENDDO DO i=1, klon od550aer(i)=0. DO m=1,naero_tot od550aer(i)=od550aer(i)+tausum(i,la550,m) END DO END DO DO i=1, klon od670aer(i)=0. DO m=1,naero_tot od670aer(i)=od670aer(i)+tausum(i,la670,m) END DO END DO DO i=1, klon od865aer(i)=0. DO m=1,naero_tot od865aer(i)=od865aer(i)+tausum(i,la865,m) END DO END DO DO i=1, klon DO k=1, KLEV ec550aer(i,k)=0. DO m=1,naero_tot ec550aer(i,k)=ec550aer(i,k)+tau(i,k,la550,m)/dh(i,k) END DO END DO END DO DO i=1, klon ai(i)=-LOG(MAX(od670aer(i),1.e-8)/MAX(od865aer(i),1.e-8))/LOG(670./865.) ENDDO od550lt1aer(:)=tausum(:,la550,id_ASSO4M)+tausum(:,la550,id_ASBCM) +tausum(:,la550,id_AIBCM)+ & tausum(:,la550,id_ASPOMM)+tausum(:,la550,id_AIPOMM)+tausum(:,la550,id_ASSSM)+ & 0.03*tausum(:,la550,id_CSSSM)+0.4*tausum(:,la550,id_CIDUSTM) DEALLOCATE(aerosol_name) END SUBROUTINE AEROPT_5WV_RRTM