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! aeropt_lw_rrtm.F90 2014-05-13 C. Kleinschmitt |
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! 2016-05-03 O. Boucher |
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! 2016-12-17 O. Boucher |
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! This routine feeds aerosol LW properties to RRTM |
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! we only consider absorption (not scattering) |
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! we only consider dust for now |
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SUBROUTINE AEROPT_LW_RRTM(ok_alw, pdel, zrho, flag_aerosol, m_allaer, m_allaer_pi) |
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USE dimphy |
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USE aero_mod |
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USE phys_state_var_mod, ONLY: tau_aero_lw_rrtm |
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USE YOERAD, ONLY: NLW |
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USE YOMCST, ONLY: RG |
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IMPLICIT NONE |
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INCLUDE "clesphys.h" |
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! Input arguments: |
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LOGICAL, INTENT(IN) :: ok_alw |
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INTEGER, INTENT(IN) :: flag_aerosol |
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REAL, DIMENSION(klon,klev), INTENT(IN) :: pdel, zrho |
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REAL, DIMENSION(klon,klev,naero_tot), INTENT(IN) :: m_allaer, m_allaer_pi |
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INTEGER inu, i, k |
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REAL :: zdh(klon,klev) |
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REAL :: tmp_var, tmp_var_pi |
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CHARACTER*20 modname |
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!--absorption coefficient for CIDUST |
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REAL:: alpha_abs_CIDUST_16bands(nbands_lw_rrtm) !--unit m2/g |
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DATA alpha_abs_CIDUST_16bands / & |
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0.001, 0.003, 0.005, 0.006, 0.012, 0.030, 0.148, 0.098, & |
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0.017, 0.053, 0.031, 0.008, 0.010, 0.011, 0.013, 0.015 / |
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modname='aeropt_lw_rrtm' |
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IF (NLW.NE.nbands_lw_rrtm) THEN |
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CALL abort_physic(modname,'Erreur NLW doit etre egal a 16 pour cette routine',1) |
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ENDIF |
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IF (ok_alw) THEN !--aerosol LW effects |
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IF (flag_aerosol.EQ.5.OR.flag_aerosol.EQ.6.OR.flag_aerosol.EQ.7) THEN !-Dust |
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zdh(:,:)=pdel(:,:)/(RG*zrho(:,:)) ! m |
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DO k=1, klev |
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DO i=1, klon |
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tmp_var =m_allaer(i,k,id_CIDUSTM_phy) /1.e6*zdh(i,k) !--g/m2 |
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tmp_var_pi=m_allaer_pi(i,k,id_CIDUSTM_phy)/1.e6*zdh(i,k) !--g/m2 |
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DO inu=1, NLW |
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!--total aerosol |
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tau_aero_lw_rrtm(i,k,2,inu) = MAX(1.e-15,tmp_var*alpha_abs_CIDUST_16bands(inu)) |
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!--natural aerosol |
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! tau_aero_lw_rrtm(:,:,1,inu) = MAX(1.e-15,tmp_var_pi*alpha_abs_CIDUST_16bands(inu)) |
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tau_aero_lw_rrtm(i,k,1,inu) = 1.e-15 !--test |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDIF |
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ELSE !--no aerosol LW effects |
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tau_aero_lw_rrtm = 1.e-15 |
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ENDIF |
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END SUBROUTINE AEROPT_LW_RRTM |