| 1 | ! splaeropt_lw_rrtm.F90 2014-05-13 C. Kleinschmitt |
|---|
| 2 | ! 2016-05-03 O. Boucher |
|---|
| 3 | |
|---|
| 4 | ! This routine feeds aerosol LW properties to RRTM |
|---|
| 5 | ! we only consider absorption (not scattering) |
|---|
| 6 | |
|---|
| 7 | SUBROUTINE SPLAEROPT_LW_RRTM(ok_alw, zdm, tr_seri) |
|---|
| 8 | |
|---|
| 9 | USE dimphy |
|---|
| 10 | USE aero_mod |
|---|
| 11 | USE infotrac_phy, ONLY: nqtot, nbtr, tracers |
|---|
| 12 | USE phys_state_var_mod, ONLY: tau_aero_lw_rrtm |
|---|
| 13 | USE lmdz_yoerad, ONLY: NLW |
|---|
| 14 | USE lmdz_abort_physic, ONLY: abort_physic |
|---|
| 15 | USE lmdz_clesphys |
|---|
| 16 | |
|---|
| 17 | IMPLICIT NONE |
|---|
| 18 | |
|---|
| 19 | ! Input arguments: |
|---|
| 20 | |
|---|
| 21 | LOGICAL, INTENT(IN) :: ok_alw |
|---|
| 22 | REAL, DIMENSION(klon, klev), INTENT(IN) :: zdm |
|---|
| 23 | REAL, DIMENSION(klon, klev, nbtr), INTENT(IN) :: tr_seri |
|---|
| 24 | |
|---|
| 25 | ! Local arguments : |
|---|
| 26 | |
|---|
| 27 | INTEGER, PARAMETER :: naero_soluble = 2 ! 1- accumulation soluble; 2- coarse soluble |
|---|
| 28 | INTEGER, PARAMETER :: naero_insoluble = 2 ! 1- coarse dust; 2- supercoarse dust |
|---|
| 29 | INTEGER, PARAMETER :: naero = naero_soluble + naero_insoluble |
|---|
| 30 | |
|---|
| 31 | INTEGER inu, itr, iq, spinsol |
|---|
| 32 | CHARACTER*20 modname |
|---|
| 33 | |
|---|
| 34 | !--absorption coefficient for coarse and super-coarse DUST |
|---|
| 35 | REAL :: alpha_abs_CIDUST_16bands(nbands_lw_rrtm, naero_insoluble) !--unit m2/g |
|---|
| 36 | DATA alpha_abs_CIDUST_16bands / & |
|---|
| 37 | ! Dust CO insoluble |
|---|
| 38 | 0.001, 0.003, 0.005, 0.006, 0.011, 0.031, 0.157, 0.102, & |
|---|
| 39 | 0.017, 0.056, 0.032, 0.008, 0.010, 0.011, 0.013, 0.016, & |
|---|
| 40 | ! Dust SC insoluble |
|---|
| 41 | 0.002, 0.004, 0.007, 0.010, 0.018, 0.043, 0.099, 0.071, & |
|---|
| 42 | 0.021, 0.056, 0.033, 0.011, 0.013, 0.014, 0.016, 0.018 / |
|---|
| 43 | |
|---|
| 44 | modname = 'splaeropt_lw_rrtm' |
|---|
| 45 | |
|---|
| 46 | IF (NLW/=nbands_lw_rrtm) THEN |
|---|
| 47 | CALL abort_physic(modname, 'Erreur NLW doit etre egal a 16 pour cette routine', 1) |
|---|
| 48 | ENDIF |
|---|
| 49 | |
|---|
| 50 | IF (ok_alw) THEN |
|---|
| 51 | |
|---|
| 52 | !--initialisation |
|---|
| 53 | tau_aero_lw_rrtm = 0.0 |
|---|
| 54 | |
|---|
| 55 | itr = 0 |
|---|
| 56 | DO iq = 1, nqtot |
|---|
| 57 | IF(.NOT.tracers(iq)%isInPhysics) CYCLE |
|---|
| 58 | itr = itr + 1 |
|---|
| 59 | SELECT CASE(tracers(iq)%name) |
|---|
| 60 | CASE('PREC', 'FINE', 'COSS'); CYCLE !--precursor or fine/coarde accumulation mode |
|---|
| 61 | CASE('CODU'); spinsol = 1 !--coarse mode dust |
|---|
| 62 | CASE('SCDU'); spinsol = 2 !--super coarse mode dust |
|---|
| 63 | CASE DEFAULT; CALL abort_physic(modname, 'I cannot do aerosol optics for ' // tracers(iq)%name, 1) |
|---|
| 64 | END SELECT |
|---|
| 65 | |
|---|
| 66 | DO inu = 1, NLW |
|---|
| 67 | |
|---|
| 68 | !--total aerosol |
|---|
| 69 | tau_aero_lw_rrtm(:, :, 2, inu) = tau_aero_lw_rrtm(:, :, 2, inu) + tr_seri(:, :, itr) * zdm(:, :) * alpha_abs_CIDUST_16bands(inu, spinsol) |
|---|
| 70 | !--no aerosol at all |
|---|
| 71 | tau_aero_lw_rrtm(:, :, 1, inu) = tau_aero_lw_rrtm(:, :, 1, inu) + 0.0 |
|---|
| 72 | |
|---|
| 73 | ENDDO |
|---|
| 74 | |
|---|
| 75 | ENDDO |
|---|
| 76 | |
|---|
| 77 | !--avoid very small values |
|---|
| 78 | tau_aero_lw_rrtm = MAX(tau_aero_lw_rrtm, 1.e-15) |
|---|
| 79 | |
|---|
| 80 | ELSE |
|---|
| 81 | !--default value |
|---|
| 82 | tau_aero_lw_rrtm = 1.e-15 |
|---|
| 83 | ENDIF |
|---|
| 84 | |
|---|
| 85 | END SUBROUTINE SPLAEROPT_LW_RRTM |
|---|
