| 1 | ! |
|---|
| 2 | ! aeropt_lw_rrtm.F90 2014-05-13 C. Kleinschmitt |
|---|
| 3 | ! 2016-05-03 O. Boucher |
|---|
| 4 | ! 2016-12-17 O. Boucher |
|---|
| 5 | ! |
|---|
| 6 | ! This routine feeds aerosol LW properties to RRTM |
|---|
| 7 | ! we only consider absorption (not scattering) |
|---|
| 8 | ! we only consider dust for now |
|---|
| 9 | |
|---|
| 10 | SUBROUTINE AEROPT_LW_RRTM(ok_alw, pdel, zrho, flag_aerosol, m_allaer, m_allaer_pi) |
|---|
| 11 | |
|---|
| 12 | USE dimphy |
|---|
| 13 | USE aero_mod |
|---|
| 14 | USE phys_state_var_mod, ONLY: tau_aero_lw_rrtm |
|---|
| 15 | USE YOERAD, ONLY: NLW |
|---|
| 16 | USE YOMCST, ONLY: RG |
|---|
| 17 | USE lmdz_abort_physic, ONLY: abort_physic |
|---|
| 18 | |
|---|
| 19 | IMPLICIT NONE |
|---|
| 20 | |
|---|
| 21 | INCLUDE "clesphys.h" |
|---|
| 22 | ! |
|---|
| 23 | ! Input arguments: |
|---|
| 24 | ! |
|---|
| 25 | LOGICAL, INTENT(IN) :: ok_alw |
|---|
| 26 | INTEGER, INTENT(IN) :: flag_aerosol |
|---|
| 27 | REAL, DIMENSION(klon,klev), INTENT(IN) :: pdel, zrho |
|---|
| 28 | REAL, DIMENSION(klon,klev,naero_tot), INTENT(IN) :: m_allaer, m_allaer_pi |
|---|
| 29 | ! |
|---|
| 30 | INTEGER inu, i, k |
|---|
| 31 | REAL :: zdh(klon,klev) |
|---|
| 32 | REAL :: tmp_var, tmp_var_pi |
|---|
| 33 | CHARACTER*20 modname |
|---|
| 34 | ! |
|---|
| 35 | !--absorption coefficient for CIDUST |
|---|
| 36 | REAL:: alpha_abs_CIDUST_16bands(nbands_lw_rrtm) !--unit m2/g |
|---|
| 37 | DATA alpha_abs_CIDUST_16bands / & |
|---|
| 38 | 0.001, 0.003, 0.005, 0.006, 0.012, 0.030, 0.148, 0.098, & |
|---|
| 39 | 0.017, 0.053, 0.031, 0.008, 0.010, 0.011, 0.013, 0.015 / |
|---|
| 40 | ! |
|---|
| 41 | modname='aeropt_lw_rrtm' |
|---|
| 42 | ! |
|---|
| 43 | IF (NLW.NE.nbands_lw_rrtm) THEN |
|---|
| 44 | CALL abort_physic(modname,'Erreur NLW doit etre egal a 16 pour cette routine',1) |
|---|
| 45 | ENDIF |
|---|
| 46 | ! |
|---|
| 47 | IF (ok_alw) THEN !--aerosol LW effects |
|---|
| 48 | ! |
|---|
| 49 | IF (flag_aerosol.EQ.5.OR.flag_aerosol.EQ.6.OR.flag_aerosol.EQ.7) THEN !-Dust |
|---|
| 50 | ! |
|---|
| 51 | zdh(:,:)=pdel(:,:)/(RG*zrho(:,:)) ! m |
|---|
| 52 | ! |
|---|
| 53 | DO k=1, klev |
|---|
| 54 | DO i=1, klon |
|---|
| 55 | ! |
|---|
| 56 | tmp_var =m_allaer(i,k,id_CIDUSTM_phy) /1.e6*zdh(i,k) !--g/m2 |
|---|
| 57 | tmp_var_pi=m_allaer_pi(i,k,id_CIDUSTM_phy)/1.e6*zdh(i,k) !--g/m2 |
|---|
| 58 | ! |
|---|
| 59 | DO inu=1, NLW |
|---|
| 60 | ! |
|---|
| 61 | !--total aerosol |
|---|
| 62 | tau_aero_lw_rrtm(i,k,2,inu) = MAX(1.e-15,tmp_var*alpha_abs_CIDUST_16bands(inu)) |
|---|
| 63 | !--natural aerosol |
|---|
| 64 | ! tau_aero_lw_rrtm(:,:,1,inu) = MAX(1.e-15,tmp_var_pi*alpha_abs_CIDUST_16bands(inu)) |
|---|
| 65 | tau_aero_lw_rrtm(i,k,1,inu) = 1.e-15 !--test |
|---|
| 66 | ! |
|---|
| 67 | ENDDO |
|---|
| 68 | ENDDO |
|---|
| 69 | ! |
|---|
| 70 | ENDDO |
|---|
| 71 | ! |
|---|
| 72 | ENDIF |
|---|
| 73 | ! |
|---|
| 74 | ELSE !--no aerosol LW effects |
|---|
| 75 | ! |
|---|
| 76 | tau_aero_lw_rrtm = 1.e-15 |
|---|
| 77 | ENDIF |
|---|
| 78 | ! |
|---|
| 79 | END SUBROUTINE AEROPT_LW_RRTM |
|---|
