| 1 | ! |
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| 2 | ! aeropt_lw_rrtm.F90 2014-05-13 C. Kleinschmitt |
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| 3 | ! 2016-05-03 O. Boucher |
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| 4 | ! 2016-12-17 O. Boucher |
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| 5 | ! |
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| 6 | ! This routine feeds aerosol LW properties to RRTM |
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| 7 | ! we only consider absorption (not scattering) |
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| 8 | ! we only consider dust for now |
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| 9 | |
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| 10 | SUBROUTINE AEROPT_LW_RRTM(ok_alw, pdel, zrho, flag_aerosol, m_allaer, m_allaer_pi) |
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| 11 | |
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| 12 | USE dimphy |
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| 13 | USE aero_mod |
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| 14 | USE phys_state_var_mod, ONLY: tau_aero_lw_rrtm |
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| 15 | USE YOERAD, ONLY: NLW |
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| 16 | USE YOMCST, ONLY: RG |
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| 17 | |
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| 18 | IMPLICIT NONE |
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| 19 | |
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| 20 | INCLUDE "clesphys.h" |
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| 21 | ! |
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| 22 | ! Input arguments: |
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| 23 | ! |
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| 24 | LOGICAL, INTENT(IN) :: ok_alw |
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| 25 | INTEGER, INTENT(IN) :: flag_aerosol |
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| 26 | REAL, DIMENSION(klon,klev), INTENT(IN) :: pdel, zrho |
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| 27 | REAL, DIMENSION(klon,klev,naero_tot), INTENT(IN) :: m_allaer, m_allaer_pi |
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| 28 | ! |
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| 29 | INTEGER inu, i, k |
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| 30 | REAL :: zdh(klon,klev) |
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| 31 | REAL :: tmp_var, tmp_var_pi |
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| 32 | CHARACTER*20 modname |
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| 33 | ! |
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| 34 | !--absorption coefficient for CIDUST |
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| 35 | REAL:: alpha_abs_CIDUST_16bands(nbands_lw_rrtm) !--unit m2/g |
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| 36 | DATA alpha_abs_CIDUST_16bands / & |
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| 37 | 0.001, 0.003, 0.005, 0.006, 0.012, 0.030, 0.148, 0.098, & |
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| 38 | 0.017, 0.053, 0.031, 0.008, 0.010, 0.011, 0.013, 0.015 / |
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| 39 | ! |
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| 40 | modname='aeropt_lw_rrtm' |
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| 41 | ! |
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| 42 | IF (NLW.NE.nbands_lw_rrtm) THEN |
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| 43 | CALL abort_physic(modname,'Erreur NLW doit etre egal a 16 pour cette routine',1) |
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| 44 | ENDIF |
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| 45 | ! |
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| 46 | IF (ok_alw) THEN !--aerosol LW effects |
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| 47 | ! |
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| 48 | IF (flag_aerosol.EQ.5.OR.flag_aerosol.EQ.6) THEN !-Dust |
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| 49 | ! |
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| 50 | zdh(:,:)=pdel(:,:)/(RG*zrho(:,:)) ! m |
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| 51 | ! |
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| 52 | DO k=1, klev |
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| 53 | DO i=1, klon |
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| 54 | ! |
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| 55 | tmp_var =m_allaer(i,k,id_CIDUSTM_phy) /1.e6*zdh(i,k) !--g/m2 |
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| 56 | tmp_var_pi=m_allaer_pi(i,k,id_CIDUSTM_phy)/1.e6*zdh(i,k) !--g/m2 |
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| 57 | ! |
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| 58 | DO inu=1, NLW |
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| 59 | ! |
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| 60 | !--total aerosol |
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| 61 | tau_aero_lw_rrtm(i,k,2,inu) = MAX(1.e-15,tmp_var*alpha_abs_CIDUST_16bands(inu)) |
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| 62 | !--natural aerosol |
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| 63 | ! tau_aero_lw_rrtm(:,:,1,inu) = MAX(1.e-15,tmp_var_pi*alpha_abs_CIDUST_16bands(inu)) |
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| 64 | tau_aero_lw_rrtm(i,k,1,inu) = 1.e-15 !--test |
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| 65 | ! |
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| 66 | ENDDO |
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| 67 | ENDDO |
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| 68 | ! |
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| 69 | ENDDO |
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| 70 | ! |
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| 71 | ENDIF |
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| 72 | ! |
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| 73 | ELSE !--no aerosol LW effects |
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| 74 | ! |
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| 75 | tau_aero_lw_rrtm = 1.e-15 |
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| 76 | ENDIF |
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| 77 | ! |
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| 78 | END SUBROUTINE AEROPT_LW_RRTM |
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