Coupling Merra2 aerosol climatology and GOCART forecasted aerosol with Thompson microphysics

physics/GFS_PBL_generic_common.F90

@@ -12,7 +12,7 @@ module GFS_PBL_generic_common
       contains
 
       subroutine set_aerosol_tracer_index(imp_physics, imp_physics_wsm6,          &
-                                          imp_physics_thompson, ltaerosol,        &
+                                          imp_physics_thompson, ltaerosol,mraerosol,   &
                                           imp_physics_mg, ntgl, imp_physics_gfdl, &
                                           imp_physics_zhao_carr, imp_physics_nssl,&
                                           nssl_hail_on, nssl_ccn_on, kk,          &
@@ -23,7 +23,7 @@ subroutine set_aerosol_tracer_index(imp_physics, imp_physics_wsm6,          &
                                        imp_physics_thompson,                   &
                                        imp_physics_mg, ntgl, imp_physics_gfdl, &
                                        imp_physics_zhao_carr,imp_physics_nssl
-      logical, intent(in )          :: ltaerosol, nssl_hail_on, nssl_ccn_on
+      logical, intent(in )          :: ltaerosol, mraerosol, nssl_hail_on, nssl_ccn_on
       integer, intent(out)          :: kk
       character(len=*), intent(out) :: errmsg
       integer, intent(out)          :: errflg
@@ -38,6 +38,8 @@ subroutine set_aerosol_tracer_index(imp_physics, imp_physics_wsm6,          &
 ! Thompson
         if(ltaerosol) then
           kk = 12
+        else if(mraerosol) then
+          kk = 10
         else
           kk = 9
         endif
@@ -70,4 +72,4 @@ subroutine set_aerosol_tracer_index(imp_physics, imp_physics_wsm6,          &
 
       end subroutine set_aerosol_tracer_index
 
-      end module GFS_PBL_generic_common
+      end module GFS_PBL_generic_common

physics/GFS_PBL_generic_post.F90

@@ -12,7 +12,7 @@ subroutine GFS_PBL_generic_post_run (im, levs, nvdiff, ntrac,
         ntqv, ntcw, ntiw, ntrw, ntsw, ntlnc, ntinc, ntrnc, ntsnc, ntgnc, ntwa, ntia, ntgl, ntoz, ntke, ntkev,nqrimef,          &
         trans_aero, ntchs, ntchm, ntccn, nthl, nthnc, ntgv, nthv,                                                              &
         imp_physics, imp_physics_gfdl, imp_physics_thompson, imp_physics_wsm6, imp_physics_zhao_carr, imp_physics_mg,          &
-        imp_physics_fer_hires, imp_physics_nssl, nssl_ccn_on, ltaerosol, nssl_hail_on,                                         &
+        imp_physics_fer_hires, imp_physics_nssl, nssl_ccn_on, ltaerosol,   mraerosol, nssl_hail_on,                            &
         cplflx, cplaqm, cplchm, lssav, flag_for_pbl_generic_tend, ldiag3d, lsidea, hybedmf, do_shoc, satmedmf,                 &
         shinhong, do_ysu, dvdftra, dusfc1, dvsfc1, dtsfc1, dqsfc1, dtf, dudt, dvdt, dtdt, htrsw, htrlw, xmu,                   &
         dqdt, dusfc_cpl, dvsfc_cpl, dtsfc_cpl, dtend, dtidx, index_of_temperature, index_of_x_wind, index_of_y_wind,           &
@@ -36,7 +36,7 @@ subroutine GFS_PBL_generic_post_run (im, levs, nvdiff, ntrac,
       integer, intent(in) :: imp_physics_zhao_carr, imp_physics_mg, imp_physics_fer_hires
       integer, intent(in) :: imp_physics_nssl
       logical, intent(in) :: nssl_ccn_on, nssl_hail_on
-      logical, intent(in) :: ltaerosol, cplflx, cplaqm, cplchm, lssav, ldiag3d, lsidea, use_med_flux
+      logical, intent(in) :: ltaerosol, cplflx, cplaqm, cplchm, lssav, ldiag3d, lsidea, use_med_flux, mraerosol
       logical, intent(in) :: hybedmf, do_shoc, satmedmf, shinhong, do_ysu
 
       logical, intent(in) :: flag_for_pbl_generic_tend      
@@ -104,7 +104,7 @@ subroutine GFS_PBL_generic_post_run (im, levs, nvdiff, ntrac,
         if (trans_aero) then
           ! Set kk if chemistry-aerosol tracers are diffused
           call set_aerosol_tracer_index(imp_physics, imp_physics_wsm6,          &
-                                        imp_physics_thompson, ltaerosol,        &
+                                        imp_physics_thompson, ltaerosol,mraerosol,   &
                                         imp_physics_mg, ntgl, imp_physics_gfdl, &
                                         imp_physics_zhao_carr, imp_physics_nssl,&
                                         nssl_hail_on, nssl_ccn_on, kk,          &
@@ -165,6 +165,21 @@ subroutine GFS_PBL_generic_post_run (im, levs, nvdiff, ntrac,
                 dqdt(i,k,ntia)  = dvdftra(i,k,12)
               enddo
             enddo
+          else if(mraerosol) then
+            do k=1,levs
+              do i=1,im
+                dqdt(i,k,ntqv)  = dvdftra(i,k,1)
+                dqdt(i,k,ntcw)  = dvdftra(i,k,2)
+                dqdt(i,k,ntiw)  = dvdftra(i,k,3)
+                dqdt(i,k,ntrw)  = dvdftra(i,k,4)
+                dqdt(i,k,ntsw)  = dvdftra(i,k,5)
+                dqdt(i,k,ntgl)  = dvdftra(i,k,6)
+                dqdt(i,k,ntlnc) = dvdftra(i,k,7)
+                dqdt(i,k,ntinc) = dvdftra(i,k,8)
+                dqdt(i,k,ntrnc) = dvdftra(i,k,9)
+                dqdt(i,k,ntoz)  = dvdftra(i,k,10)
+              enddo
+            enddo
           else
             do k=1,levs
               do i=1,im

physics/GFS_PBL_generic_post.meta

@@ -274,6 +274,13 @@
   dimensions = ()
   type = logical
   intent = in
+[mraerosol]
+  standard_name = do_merra2_aerosol_awareness
+  long_name = flag for merra2 aerosol-aware physics for example the thompson microphysics
+  units = flag
+  dimensions = ()
+  type = logical
+  intent = in
 [nssl_ccn_on]
   standard_name = nssl_ccn_on
   long_name = CCN activation flag in NSSL micro

physics/GFS_PBL_generic_pre.F90

@@ -14,8 +14,8 @@ subroutine GFS_PBL_generic_pre_run (im, levs, nvdiff, ntrac, rtg_ozone_index,
         ntwa, ntia, ntgl, ntoz, ntke, ntkev, nqrimef, trans_aero, ntchs, ntchm,          &
         ntccn, nthl, nthnc, ntgv, nthv,                                                  &
         imp_physics, imp_physics_gfdl, imp_physics_thompson, imp_physics_wsm6,           &
-        imp_physics_zhao_carr, imp_physics_mg, imp_physics_fer_hires, imp_physics_nssl, &
-        ltaerosol, nssl_ccn_on, nssl_hail_on,  &
+        imp_physics_zhao_carr, imp_physics_mg, imp_physics_fer_hires, imp_physics_nssl,  &
+        ltaerosol, mraerosol, nssl_ccn_on, nssl_hail_on,                                 &
         hybedmf, do_shoc, satmedmf, qgrs, vdftra, save_u, save_v, save_t, save_q,        &
         flag_for_pbl_generic_tend, ldiag3d, qdiag3d, lssav, ugrs, vgrs, tgrs, errmsg, errflg)
 
@@ -33,7 +33,7 @@ subroutine GFS_PBL_generic_pre_run (im, levs, nvdiff, ntrac, rtg_ozone_index,
       logical, intent(in) :: trans_aero, ldiag3d, qdiag3d, lssav
       integer, intent(in) :: imp_physics, imp_physics_gfdl, imp_physics_thompson, imp_physics_wsm6
       integer, intent(in) :: imp_physics_zhao_carr, imp_physics_mg, imp_physics_fer_hires
-      logical, intent(in) :: ltaerosol, hybedmf, do_shoc, satmedmf, flag_for_pbl_generic_tend
+      logical, intent(in) :: ltaerosol, hybedmf, do_shoc, satmedmf, flag_for_pbl_generic_tend, mraerosol
       integer, intent(in) :: imp_physics_nssl
       logical, intent(in) :: nssl_hail_on, nssl_ccn_on
 
@@ -108,6 +108,22 @@ subroutine GFS_PBL_generic_pre_run (im, levs, nvdiff, ntrac, rtg_ozone_index,
               enddo
             enddo
             rtg_ozone_index = 10
+          elseif(mraerosol) then
+            do k=1,levs
+              do i=1,im
+                vdftra(i,k,1)  = qgrs(i,k,ntqv)
+                vdftra(i,k,2)  = qgrs(i,k,ntcw)
+                vdftra(i,k,3)  = qgrs(i,k,ntiw)
+                vdftra(i,k,4)  = qgrs(i,k,ntrw)
+                vdftra(i,k,5)  = qgrs(i,k,ntsw)
+                vdftra(i,k,6)  = qgrs(i,k,ntgl)
+                vdftra(i,k,7)  = qgrs(i,k,ntlnc)
+                vdftra(i,k,8)  = qgrs(i,k,ntinc)
+                vdftra(i,k,9)  = qgrs(i,k,ntrnc)
+                vdftra(i,k,10) = qgrs(i,k,ntoz)
+              enddo
+            enddo
+            rtg_ozone_index = 10
           else
             do k=1,levs
               do i=1,im
@@ -242,7 +258,7 @@ subroutine GFS_PBL_generic_pre_run (im, levs, nvdiff, ntrac, rtg_ozone_index,
 !
         if (trans_aero) then
           call set_aerosol_tracer_index(imp_physics, imp_physics_wsm6,          &
-                                        imp_physics_thompson, ltaerosol,        &
+                                        imp_physics_thompson, ltaerosol,mraerosol, &
                                         imp_physics_mg, ntgl, imp_physics_gfdl, &
                                         imp_physics_zhao_carr, imp_physics_nssl,&
                                         nssl_hail_on, nssl_ccn_on, kk,          &
@@ -297,4 +313,4 @@ subroutine GFS_PBL_generic_pre_run (im, levs, nvdiff, ntrac, rtg_ozone_index,
 
     end subroutine GFS_PBL_generic_pre_run
 
-    end module GFS_PBL_generic_pre
+    end module GFS_PBL_generic_pre

physics/GFS_PBL_generic_pre.meta

@@ -280,6 +280,13 @@
   dimensions = ()
   type = logical
   intent = in
+[mraerosol]
+  standard_name = do_merra2_aerosol_awareness
+  long_name = flag for merra2 aerosol-aware physics for example the thompson microphysics
+  units = flag
+  dimensions = ()
+  type = logical
+  intent = in
 [nssl_ccn_on]
   standard_name = nssl_ccn_on
   long_name = CCN activation flag in NSSL micro
@@ -429,4 +436,4 @@
   units = 1
   dimensions = ()
   type = integer
-  intent = out
+  intent = out

physics/GFS_rrtmg_pre.F90

@@ -30,7 +30,7 @@ subroutine GFS_rrtmg_pre_run (im, levs, lm, lmk, lmp, lextop, ltp,       &
         imp_physics_fer_hires, iovr_rand, iovr_maxrand, iovr_max, iovr_dcorr,  &
         iovr_exp, iovr_exprand, idcor_con, idcor_hogan, idcor_oreopoulos,      & 
         julian, yearlen, lndp_var_list, lsswr, lslwr,                          &
-        ltaerosol, lgfdlmprad, uni_cld, effr_in, do_mynnedmf, lmfshal,         &
+        ltaerosol, mraerosol, lgfdlmprad, uni_cld, effr_in, do_mynnedmf, lmfshal, &
         lmfdeep2, fhswr, fhlwr, solhr, sup, con_eps, epsm1, fvirt,             &
         rog, rocp, con_rd, xlat_d, xlat, xlon, coslat, sinlat, tsfc, slmsk,    &
         prsi, prsl, prslk, tgrs, sfc_wts, mg_cld, effrr_in, pert_clds,         &
@@ -121,8 +121,8 @@ subroutine GFS_rrtmg_pre_run (im, levs, lm, lmk, lmp, lextop, ltp,       &
       character(len=3), dimension(:), intent(in) :: lndp_var_list
 
       logical,              intent(in) :: lextop, lsswr, lslwr, ltaerosol, lgfdlmprad, &
-                                          uni_cld, effr_in, do_mynnedmf,               &
-                                          lmfshal, lmfdeep2, pert_clds
+                                          uni_cld, effr_in, do_mynnedmf,       &
+                                          lmfshal, lmfdeep2, pert_clds, mraerosol
       logical,              intent(in) :: aero_dir_fdb
       real(kind=kind_phys), dimension(:,:), intent(in) :: smoke_ext, dust_ext
 
@@ -722,7 +722,7 @@ subroutine GFS_rrtmg_pre_run (im, levs, lm, lmk, lmp, lextop, ltp,       &
             enddo
           enddo
           ! for Thompson MP - prepare variables for calc_effr
-          if_thompson: if (imp_physics == imp_physics_thompson .and. ltaerosol) then
+          if_thompson: if (imp_physics == imp_physics_thompson .and. (ltaerosol .or. mraerosol)) then
             do k=1,LMK
               do i=1,IM
                 qvs = qlyr(i,k)
@@ -866,7 +866,7 @@ subroutine GFS_rrtmg_pre_run (im, levs, lm, lmk, lmp, lextop, ltp,       &
           ! Update number concentration, consistent with sub-grid clouds (GF, MYNN) or without (all others)
           do k=1,lm
             do i=1,im
-              if (ltaerosol .and. qc_mp(i,k)>1.e-12 .and. nc_mp(i,k)<100.) then
+              if ((ltaerosol .or. mraerosol) .and. qc_mp(i,k)>1.e-12 .and. nc_mp(i,k)<100.) then
                 nc_mp(i,k) = make_DropletNumber(qc_mp(i,k)*rho(i,k), nwfa(i,k)*rho(i,k)) * orho(i,k)
               endif
               if (qi_mp(i,k)>1.e-12 .and. ni_mp(i,k)<100.) then

physics/GFS_rrtmg_pre.meta

@@ -557,6 +557,13 @@
   dimensions = ()
   type = logical
   intent = in
+[mraerosol]
+  standard_name = do_merra2_aerosol_awareness
+  long_name = flag for merra2 aerosol-aware physics for example the thompson microphysics
+  units = flag
+  dimensions = ()
+  type = logical
+  intent = in
 [lgfdlmprad]
   standard_name = flag_for_GFDL_microphysics_radiation_interaction
   long_name = flag for GFDL microphysics-radiation interaction

physics/GFS_rrtmgp_cloud_mp.F90

@@ -45,7 +45,7 @@ module GFS_rrtmgp_cloud_mp
   subroutine GFS_rrtmgp_cloud_mp_run(nCol, nLev, nTracers, ncnd, i_cldliq, i_cldice,     &
        i_cldrain, i_cldsnow, i_cldgrpl, i_cldtot, i_cldliq_nc, i_cldice_nc, i_twa, kdt,  &
        imfdeepcnv, imfdeepcnv_gf, imfdeepcnv_samf, doSWrad, doLWrad, effr_in, lmfshal,   &
-       ltaerosol, icloud, imp_physics, imp_physics_thompson, imp_physics_gfdl,           &
+       ltaerosol,mraerosol, icloud, imp_physics, imp_physics_thompson, imp_physics_gfdl,           &
        lgfdlmprad, do_mynnedmf, uni_cld, lmfdeep2, p_lev, p_lay, t_lay, qs_lay, q_lay,   &
        relhum, lsmask, xlon, xlat, dx, tv_lay, effrin_cldliq, effrin_cldice,             &
        effrin_cldrain, effrin_cldsnow, tracer, cnv_mixratio, cld_cnv_frac, qci_conv,     &
@@ -86,6 +86,7 @@ subroutine GFS_rrtmgp_cloud_mp_run(nCol, nLev, nTracers, ncnd, i_cldliq, i_cldic
          effr_in,                   & ! Provide hydrometeor radii from macrophysics?
          lmfshal,                   & ! Flag for mass-flux shallow convection scheme used by Xu-Randall
          ltaerosol,                 & ! Flag for aerosol option
+         mraerosol,                 & ! Flag for aerosol option
          lgfdlmprad,                & ! Flag for GFDLMP radiation interaction
          do_mynnedmf,               & ! Flag to activate MYNN-EDMF 
          uni_cld,                   & ! Flag for unified cloud scheme
@@ -253,7 +254,7 @@ subroutine GFS_rrtmgp_cloud_mp_run(nCol, nLev, nTracers, ncnd, i_cldliq, i_cldic
        ! Update particle size using modified mixing-ratios from Thompson.
        call cmp_reff_Thompson(nLev, nCol, i_cldliq, i_cldice, i_cldsnow, i_cldice_nc,   &
             i_cldliq_nc, i_twa, q_lay, p_lay, t_lay, tracer, con_eps, con_rd, ltaerosol,&
-            effrin_cldliq, effrin_cldice, effrin_cldsnow)
+            mraerosol, effrin_cldliq, effrin_cldice, effrin_cldsnow)
        cld_reliq  = effrin_cldliq
        cld_reice  = effrin_cldice
        cld_resnow = effrin_cldsnow
@@ -819,13 +820,13 @@ function cld_frac_XuRandall(p_lay, qs_lay, relhum, cld_mr, alpha)
 !! \section cmp_reff_Thompson_gen General Algorithm
   subroutine cmp_reff_Thompson(nLev, nCol, i_cldliq, i_cldice, i_cldsnow, i_cldice_nc,   &
        i_cldliq_nc, i_twa, q_lay, p_lay, t_lay, tracer, con_eps, con_rd, ltaerosol,      &
-       effrin_cldliq, effrin_cldice, effrin_cldsnow)
+       mraerosol, effrin_cldliq, effrin_cldice, effrin_cldsnow)
     implicit none
 
     ! Inputs
     integer, intent(in) :: nLev, nCol, i_cldliq, i_cldice, i_cldsnow, i_cldice_nc,       &
          i_cldliq_nc, i_twa
-    logical, intent(in) :: ltaerosol
+    logical, intent(in) :: ltaerosol, mraerosol
     real(kind_phys), intent(in) :: con_eps,con_rd
     real(kind_phys), dimension(:,:),intent(in) :: q_lay, p_lay, t_lay
     real(kind_phys), dimension(:,:,:),intent(in) :: tracer
@@ -856,6 +857,11 @@ subroutine cmp_reff_Thompson(nLev, nCol, i_cldliq, i_cldice, i_cldsnow, i_cldice
              if (qc_mp(iCol,iLay) > 1.e-12 .and. nc_mp(iCol,iLay) < 100.) then
                nc_mp(iCol,iLay) = make_DropletNumber(qc_mp(iCol,iLay)*rho, nwfa(iCol,iLay)*rho) * orho
              endif
+          elseif (mraerosol) then
+             nc_mp(iCol,iLay) = tracer(iCol,iLay,i_cldliq_nc) / (1.-q_lay(iCol,iLay))
+             if (qc_mp(iCol,iLay) > 1.e-12 .and. nc_mp(iCol,iLay) < 100.) then
+               nc_mp(iCol,iLay) = make_DropletNumber(qc_mp(iCol,iLay)*rho, nwfa(iCol,iLay)*rho) * orho
+             endif
           else
              nc_mp(iCol,iLay) = nt_c*orho
           endif

physics/GFS_rrtmgp_cloud_mp.meta

@@ -189,6 +189,13 @@
   dimensions = ()
   type = logical
   intent = in
+[mraerosol]
+  standard_name = do_merra2_aerosol_awareness
+  long_name = flag for merra2 aerosol-aware physics for example the thompson microphysics
+  units = flag
+  dimensions = ()
+  type = logical
+  intent = in
 [imfdeepcnv]
   standard_name = control_for_deep_convection_scheme
   long_name = flag for mass-flux deep convection scheme