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modal_aer_opt.F90
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modal_aer_opt.F90
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module modal_aer_opt
! parameterizes aerosol coefficients using chebychev polynomial
! parameterize aerosol radiative properties in terms of
! surface mode wet radius and wet refractive index
! Ghan and Zaveri, JGR 2007.
! uses Wiscombe's (1979) mie scattering code
use shr_kind_mod, only: r8 => shr_kind_r8, shr_kind_cl
use ppgrid, only: pcols, pver, pverp
use constituents, only: pcnst
use spmd_utils, only: masterproc
use ref_pres, only: top_lev => clim_modal_aero_top_lev
use physconst, only: rhoh2o, rga, rair
use radconstants, only: nswbands, nlwbands, idx_sw_diag, idx_uv_diag, idx_nir_diag
use rad_constituents, only: n_diag, rad_cnst_get_call_list, rad_cnst_get_info, rad_cnst_get_aer_mmr, &
rad_cnst_get_aer_props, rad_cnst_get_mode_props
use physics_types, only: physics_state
use physics_buffer, only : pbuf_get_index,physics_buffer_desc, pbuf_get_field
use pio, only: file_desc_t, var_desc_t, pio_inq_dimlen, pio_inq_dimid, pio_inq_varid, &
pio_get_var, pio_nowrite, pio_closefile
use cam_pio_utils, only: cam_pio_openfile
use cam_history, only: phys_decomp, addfld, add_default, outfld
use cam_history_support, only: fillvalue
use cam_logfile, only: iulog
use perf_mod, only: t_startf, t_stopf
use cam_abortutils, only: endrun
use modal_aero_wateruptake, only: modal_aero_wateruptake_dr
use modal_aero_calcsize, only: modal_aero_calcsize_diag
use phys_control, only: cam_chempkg_is
implicit none
private
save
public :: modal_aer_opt_readnl, modal_aer_opt_init, modal_aero_sw, modal_aero_lw
character(len=*), parameter :: unset_str = 'UNSET'
! Namelist variables:
character(shr_kind_cl) :: modal_optics_file = unset_str ! full pathname for modal optics dataset
character(shr_kind_cl) :: water_refindex_file = unset_str ! full pathname for water refractive index dataset
! Dimension sizes in coefficient arrays used to parameterize aerosol radiative properties
! in terms of refractive index and wet radius
integer, parameter :: ncoef=5, prefr=7, prefi=10
real(r8) :: xrmin, xrmax
! refractive index for water read in read_water_refindex
complex(r8) :: crefwsw(nswbands) ! complex refractive index for water visible
complex(r8) :: crefwlw(nlwbands) ! complex refractive index for water infrared
! physics buffer indices
integer :: dgnumwet_idx = -1
integer :: qaerwat_idx = -1
character(len=4) :: diag(0:n_diag) = (/' ','_d1 ','_d2 ','_d3 ','_d4 ','_d5 ', &
'_d6 ','_d7 ','_d8 ','_d9 ','_d10'/)
!===============================================================================
CONTAINS
!===============================================================================
subroutine modal_aer_opt_readnl(nlfile)
use namelist_utils, only: find_group_name
use units, only: getunit, freeunit
use mpishorthand
character(len=*), intent(in) :: nlfile ! filepath for file containing namelist input
! Local variables
integer :: unitn, ierr
character(len=*), parameter :: subname = 'modal_aer_opt_readnl'
namelist /modal_aer_opt_nl/ water_refindex_file
!-----------------------------------------------------------------------------
if (masterproc) then
unitn = getunit()
open( unitn, file=trim(nlfile), status='old' )
call find_group_name(unitn, 'modal_aer_opt_nl', status=ierr)
if (ierr == 0) then
read(unitn, modal_aer_opt_nl, iostat=ierr)
if (ierr /= 0) then
call endrun(subname // ':: ERROR reading namelist')
end if
end if
close(unitn)
call freeunit(unitn)
end if
#ifdef SPMD
call mpibcast(water_refindex_file, len(water_refindex_file), mpichar, 0, mpicom)
#endif
end subroutine modal_aer_opt_readnl
!===============================================================================
subroutine modal_aer_opt_init()
use ioFileMod, only: getfil
use phys_control, only: phys_getopts
! Local variables
integer :: i, m
real(r8) :: rmmin, rmmax ! min, max aerosol surface mode radius treated (m)
character(len=256) :: locfile
logical :: history_amwg ! output the variables used by the AMWG diag package
logical :: history_aero_optics ! output aerosol optics diagnostics
logical :: call_list(0:n_diag)
integer :: ilist, nmodes, m_ncoef, m_prefr, m_prefi
integer :: errcode
character(len=*), parameter :: routine='modal_aer_opt_init'
character(len=8) :: fldname
character(len=128) :: lngname
!----------------------------------------------------------------------------
rmmin = 0.01e-6_r8
rmmax = 25.e-6_r8
xrmin = log(rmmin)
xrmax = log(rmmax)
! Check that dimension sizes in the coefficient arrays used to
! parameterize aerosol radiative properties are consistent between this
! module and the mode physprop files.
call rad_cnst_get_call_list(call_list)
do ilist = 0, n_diag
if (call_list(ilist)) then
call rad_cnst_get_info(ilist, nmodes=nmodes)
do m = 1, nmodes
call rad_cnst_get_mode_props(ilist, m, ncoef=m_ncoef, prefr=m_prefr, prefi=m_prefi)
if (m_ncoef /= ncoef .or. m_prefr /= prefr .or. m_prefi /= prefi) then
write(iulog,*) routine//': ERROR - file and module values do not match:'
write(iulog,*) ' ncoef:', ncoef, m_ncoef
write(iulog,*) ' prefr:', prefr, m_prefr
write(iulog,*) ' prefi:', prefi, m_prefi
call endrun(routine//': ERROR - file and module values do not match')
end if
end do
end if
end do
! Initialize physics buffer indices for dgnumwet and qaerwat. Note the implicit assumption
! that the loops over modes in the optics calculations will use the values for dgnumwet and qaerwat
! that are set in the aerosol_wet_intr code.
dgnumwet_idx = pbuf_get_index('DGNUMWET',errcode)
if (errcode < 0) then
call endrun(routine//' ERROR: cannot find physics buffer field DGNUMWET')
end if
qaerwat_idx = pbuf_get_index('QAERWAT',errcode)
if (errcode < 0) then
call endrun(routine//' ERROR: cannot find physics buffer field QAERWAT')
end if
call getfil(water_refindex_file, locfile)
call read_water_refindex(locfile)
if (masterproc) write(iulog,*) "modal_aer_opt_init: read water refractive index file:", trim(locfile)
call phys_getopts(history_amwg_out = history_amwg, &
history_aero_optics_out = history_aero_optics )
! Add diagnostic fields to history output.
call addfld ('EXTINCT','/m ',pver, 'A','Aerosol extinction',phys_decomp, flag_xyfill=.true.)
call addfld ('ABSORB','/m ',pver, 'A','Aerosol absorption',phys_decomp, flag_xyfill=.true.)
call addfld ('AODVIS',' ',1, 'A','Aerosol optical depth 550 nm',phys_decomp, flag_xyfill=.true.)
call addfld ('AODUV',' ',1, 'A','Aerosol optical depth 350 nm',phys_decomp, flag_xyfill=.true.)
call addfld ('AODNIR',' ',1, 'A','Aerosol optical depth 850 nm',phys_decomp, flag_xyfill=.true.)
call addfld ('AODABS',' ',1, 'A','Aerosol absorption optical depth 550 nm',phys_decomp, flag_xyfill=.true.)
call rad_cnst_get_info(0, nmodes=nmodes)
do m = 1, nmodes
write(fldname,'(a,i1)') 'BURDEN', m
write(lngname,'(a,i1)') 'Aerosol burden mode ', m
call addfld (fldname, 'kg/m2', 1, 'A', lngname, phys_decomp, flag_xyfill=.true.)
if (m>3 .and. history_aero_optics) then
call add_default (fldname, 1, ' ')
endif
write(fldname,'(a,i1)') 'AODMODE', m
write(lngname,'(a,i1)') 'Aerosol optical depth 550 nm mode ', m
call addfld (fldname, ' ', 1, 'A', lngname, phys_decomp, flag_xyfill=.true.)
if (m>3 .and. history_aero_optics) then
call add_default (fldname, 1, ' ')
endif
write(fldname,'(a,i1)') 'AODDUST', m
write(lngname,'(a,i1,a)') 'Aerosol optical depth 550 nm model ',m,' from dust'
call addfld (fldname, ' ', 1, 'A', lngname, phys_decomp, flag_xyfill=.true.)
if (m>3 .and. history_aero_optics) then
call add_default (fldname, 1, ' ')
endif
enddo
call addfld ('AODDUST',' ',1, 'A','Aerosol optical depth 550 nm from dust',phys_decomp, flag_xyfill=.true.)
call addfld ('AODSO4',' ',1, 'A','Aerosol optical depth 550 nm from SO4',phys_decomp, flag_xyfill=.true.)
call addfld ('AODPOM',' ',1, 'A','Aerosol optical depth 550 nm from POM',phys_decomp, flag_xyfill=.true.)
call addfld ('AODSOA',' ',1, 'A','Aerosol optical depth 550 nm from SOA',phys_decomp, flag_xyfill=.true.)
call addfld ('AODBC',' ',1, 'A','Aerosol optical depth 550 nm from BC',phys_decomp, flag_xyfill=.true.)
call addfld ('AODSS',' ',1, 'A','Aerosol optical depth 550 nm from seasalt',phys_decomp, flag_xyfill=.true.)
call addfld ('AODABSBC',' ',1, 'A','Aerosol absorption optical depth 550 nm from BC',phys_decomp, flag_xyfill=.true.)
call addfld ('BURDENDUST','kg/m2' ,1, 'A','Dust aerosol burden' ,phys_decomp, flag_xyfill=.true.)
call addfld ('BURDENSO4','kg/m2' ,1, 'A','Sulfate aerosol burden' ,phys_decomp, flag_xyfill=.true.)
call addfld ('BURDENPOM','kg/m2' ,1, 'A','POM aerosol burden' ,phys_decomp, flag_xyfill=.true.)
call addfld ('BURDENSOA','kg/m2' ,1, 'A','SOA aerosol burden' ,phys_decomp, flag_xyfill=.true.)
call addfld ('BURDENBC','kg/m2' ,1, 'A','Black carbon aerosol burden',phys_decomp, flag_xyfill=.true.)
call addfld ('BURDENSEASALT','kg/m2',1, 'A','Seasalt aerosol burden' ,phys_decomp, flag_xyfill=.true.)
call addfld ('SSAVIS',' ',1, 'A','Aerosol singel-scatter albedo',phys_decomp, flag_xyfill=.true.)
if (history_amwg) then
call add_default ('AODDUST1' , 1, ' ')
call add_default ('AODDUST3' , 1, ' ')
call add_default ('AODVIS' , 1, ' ')
call add_default ('BURDEN1' , 1, ' ')
call add_default ('BURDEN2' , 1, ' ')
call add_default ('BURDEN3' , 1, ' ')
call add_default ('BURDENDUST' , 1, ' ')
call add_default ('BURDENSO4' , 1, ' ')
call add_default ('BURDENPOM' , 1, ' ')
call add_default ('BURDENSOA' , 1, ' ')
call add_default ('BURDENBC' , 1, ' ')
call add_default ('BURDENSEASALT', 1, ' ')
end if
if (history_aero_optics) then
call add_default ('AODDUST1' , 1, ' ')
call add_default ('AODDUST3' , 1, ' ')
call add_default ('ABSORB' , 1, ' ')
call add_default ('AODMODE1' , 1, ' ')
call add_default ('AODMODE2' , 1, ' ')
call add_default ('AODMODE3' , 1, ' ')
call add_default ('AODVIS' , 1, ' ')
call add_default ('AODUV' , 1, ' ')
call add_default ('AODNIR' , 1, ' ')
call add_default ('AODABS' , 1, ' ')
call add_default ('AODABSBC' , 1, ' ')
call add_default ('AODDUST' , 1, ' ')
call add_default ('AODSO4' , 1, ' ')
call add_default ('AODPOM' , 1, ' ')
call add_default ('AODSOA' , 1, ' ')
call add_default ('AODBC' , 1, ' ')
call add_default ('AODSS' , 1, ' ')
call add_default ('BURDEN1' , 1, ' ')
call add_default ('BURDEN2' , 1, ' ')
call add_default ('BURDEN3' , 1, ' ')
call add_default ('BURDENDUST' , 1, ' ')
call add_default ('BURDENSO4' , 1, ' ')
call add_default ('BURDENPOM' , 1, ' ')
call add_default ('BURDENSOA' , 1, ' ')
call add_default ('BURDENBC' , 1, ' ')
call add_default ('BURDENSEASALT', 1, ' ')
call add_default ('SSAVIS' , 1, ' ')
call add_default ('EXTINCT' , 1, ' ')
end if
do ilist = 1, n_diag
if (call_list(ilist)) then
call addfld ('EXTINCT'//diag(ilist),'/m ', pver, 'A', &
'Aerosol extinction',phys_decomp, flag_xyfill=.true.)
call addfld ('ABSORB'//diag(ilist),'/m ', pver, 'A', &
'Aerosol absorption',phys_decomp, flag_xyfill=.true.)
call addfld ('AODVIS'//diag(ilist),' ', 1, 'A', &
'Aerosol optical depth 550 nm',phys_decomp, flag_xyfill=.true.)
call addfld ('AODABS'//diag(ilist),' ', 1, 'A', &
'Aerosol absorption optical depth 550 nm',phys_decomp, flag_xyfill=.true.)
if (history_aero_optics) then
call add_default ('EXTINCT'//diag(ilist), 1, ' ')
call add_default ('ABSORB'//diag(ilist), 1, ' ')
call add_default ('AODVIS'//diag(ilist), 1, ' ')
call add_default ('AODABS'//diag(ilist), 1, ' ')
end if
end if
end do
if (cam_chempkg_is('trop_mam10')) then
call addfld ('AODDUST5',' ',1, 'A','Aerosol optical depth 550 nm mode 5 from dust',phys_decomp, flag_xyfill=.true.)
call addfld ('AODDUST6',' ',1, 'A','Aerosol optical depth 550 nm mode 6 from dust',phys_decomp, flag_xyfill=.true.)
call addfld ('AODDUST7',' ',1, 'A','Aerosol optical depth 550 nm mode 7 from dust',phys_decomp, flag_xyfill=.true.)
call addfld ('AODDUST8',' ',1, 'A','Aerosol optical depth 550 nm mode 8 from dust',phys_decomp, flag_xyfill=.true.)
call addfld ('AODDUST9',' ',1, 'A','Aerosol optical depth 550 nm mode 9 from dust',phys_decomp, flag_xyfill=.true.)
call addfld ('AODMODE5',' ',1, 'A','Aerosol optical depth 550 nm mode 5',phys_decomp, flag_xyfill=.true.)
call addfld ('AODMODE6',' ',1, 'A','Aerosol optical depth 550 nm mode 6',phys_decomp, flag_xyfill=.true.)
call addfld ('AODMODE7',' ',1, 'A','Aerosol optical depth 550 nm mode 7',phys_decomp, flag_xyfill=.true.)
call addfld ('AODMODE8',' ',1, 'A','Aerosol optical depth 550 nm mode 8',phys_decomp, flag_xyfill=.true.)
call addfld ('AODMODE9',' ',1, 'A','Aerosol optical depth 550 nm mode 9',phys_decomp, flag_xyfill=.true.)
call addfld ('BURDEN5','kg/m2',1, 'A','Aerosol burden mode 5',phys_decomp, flag_xyfill=.true.)
call addfld ('BURDEN6','kg/m2',1, 'A','Aerosol burden mode 6',phys_decomp, flag_xyfill=.true.)
call addfld ('BURDEN7','kg/m2',1, 'A','Aerosol burden mode 7',phys_decomp, flag_xyfill=.true.)
call addfld ('BURDEN8','kg/m2',1, 'A','Aerosol burden mode 8',phys_decomp, flag_xyfill=.true.)
call addfld ('BURDEN9','kg/m2',1, 'A','Aerosol burden mode 9',phys_decomp, flag_xyfill=.true.)
! call addfld ('BURDENDUST1','kg/m2',1,'A','Marine poly burden' ,phys_decomp, flag_xyfill=.true.)
! call addfld ('BURDENDUST2','kg/m2',1,'A','Marine prot burden' ,phys_decomp, flag_xyfill=.true.)
! call addfld ('BURDENDUST3', 'kg/m2',1,'A','Marine lipid burden',phys_decomp, flag_xyfill=.true.)
! call addfld ('BURDENDUST4', 'kg/m2',1,'A','Marine humic burden',phys_decomp, flag_xyfill=.true.)
! if (history_aero_optics) then
! call add_default ('AODDUST5', 1, ' ')
! call add_default ('AODDUST7', 1, ' ')
! call add_default ('AODMODE4', 1, ' ')
! call add_default ('AODMODE5', 1, ' ')
! call add_default ('AODMODE6', 1, ' ')
! call add_default ('AODMODE7', 1, ' ')
! call add_default ('AODMODE8', 1, ' ')
! call add_default ('AODMODE9', 1, ' ')
! call add_default ('BURDEN4', 1, ' ')
! call add_default ('BURDEN5', 1, ' ')
! call add_default ('BURDEN6', 1, ' ')
! call add_default ('BURDEN7', 1, ' ')
! call add_default ('BURDEN8', 1, ' ')
! call add_default ('BURDEN9', 1, ' ')
! call add_default ('BURDENDUST1', 1, ' ')
! call add_default ('BURDENDUST2', 1, ' ')
! call add_default ('BURDENDUST3', 1, ' ')
! call add_default ('BURDENDUST4', 1, ' ')
! end if
end if
end subroutine modal_aer_opt_init
!===============================================================================
subroutine modal_aero_sw(list_idx, state, pbuf, nnite, idxnite, &
tauxar, wa, ga, fa)
! calculates aerosol sw radiative properties
integer, intent(in) :: list_idx ! index of the climate or a diagnostic list
type(physics_state), intent(in), target :: state ! state variables
type(physics_buffer_desc), pointer :: pbuf(:)
integer, intent(in) :: nnite ! number of night columns
integer, intent(in) :: idxnite(nnite) ! local column indices of night columns
real(r8), intent(out) :: tauxar(pcols,0:pver,nswbands) ! layer extinction optical depth
real(r8), intent(out) :: wa(pcols,0:pver,nswbands) ! layer single-scatter albedo
real(r8), intent(out) :: ga(pcols,0:pver,nswbands) ! asymmetry factor
real(r8), intent(out) :: fa(pcols,0:pver,nswbands) ! forward scattered fraction
! Local variables
integer :: i, ifld, isw, k, l, m, nc, ns
integer :: lchnk ! chunk id
integer :: ncol ! number of active columns in the chunk
integer :: nmodes
integer :: nspec
real(r8) :: mass(pcols,pver) ! layer mass
real(r8) :: air_density(pcols,pver) ! (kg/m3)
real(r8), pointer :: specmmr(:,:) ! species mass mixing ratio
real(r8) :: specdens ! species density (kg/m3)
complex(r8), pointer :: specrefindex(:) ! species refractive index
character*32 :: spectype ! species type
real(r8) :: hygro_aer !
real(r8), pointer :: dgnumwet(:,:) ! number mode wet diameter
real(r8), pointer :: qaerwat(:,:) ! aerosol water (g/g)
real(r8), pointer :: dgnumdry_m(:,:,:) ! number mode dry diameter for all modes
real(r8), pointer :: dgnumwet_m(:,:,:) ! number mode wet diameter for all modes
real(r8), pointer :: qaerwat_m(:,:,:) ! aerosol water (g/g) for all modes
real(r8), pointer :: wetdens_m(:,:,:) !
real(r8) :: sigma_logr_aer ! geometric standard deviation of number distribution
real(r8) :: radsurf(pcols,pver) ! aerosol surface mode radius
real(r8) :: logradsurf(pcols,pver) ! log(aerosol surface mode radius)
real(r8) :: cheb(ncoef,pcols,pver)
real(r8) :: refr(pcols) ! real part of refractive index
real(r8) :: refi(pcols) ! imaginary part of refractive index
complex(r8) :: crefin(pcols) ! complex refractive index
real(r8), pointer :: refrtabsw(:,:) ! table of real refractive indices for aerosols
real(r8), pointer :: refitabsw(:,:) ! table of imag refractive indices for aerosols
real(r8), pointer :: extpsw(:,:,:,:) ! specific extinction
real(r8), pointer :: abspsw(:,:,:,:) ! specific absorption
real(r8), pointer :: asmpsw(:,:,:,:) ! asymmetry factor
real(r8) :: vol(pcols) ! volume concentration of aerosol specie (m3/kg)
real(r8) :: dryvol(pcols) ! volume concentration of aerosol mode (m3/kg)
real(r8) :: watervol(pcols) ! volume concentration of water in each mode (m3/kg)
real(r8) :: wetvol(pcols) ! volume concentration of wet mode (m3/kg)
integer :: itab(pcols), jtab(pcols)
real(r8) :: ttab(pcols), utab(pcols)
real(r8) :: cext(pcols,ncoef), cabs(pcols,ncoef), casm(pcols,ncoef)
real(r8) :: pext(pcols) ! parameterized specific extinction (m2/kg)
real(r8) :: specpext(pcols) ! specific extinction (m2/kg)
real(r8) :: dopaer(pcols) ! aerosol optical depth in layer
real(r8) :: pabs(pcols) ! parameterized specific absorption (m2/kg)
real(r8) :: pasm(pcols) ! parameterized asymmetry factor
real(r8) :: palb(pcols) ! parameterized single scattering albedo
! Diagnostics
real(r8) :: extinct(pcols,pver)
real(r8) :: absorb(pcols,pver)
real(r8) :: aodvis(pcols) ! extinction optical depth
real(r8) :: aodabs(pcols) ! absorption optical depth
real(r8) :: aodabsbc(pcols) ! absorption optical depth of BC
real(r8) :: ssavis(pcols)
real(r8) :: dustvol(pcols) ! volume concentration of dust in aerosol mode (m3/kg)
real(r8) :: burden(pcols)
real(r8) :: burdendust(pcols), burdenso4(pcols), burdenbc(pcols), &
burdenpom(pcols), burdensoa(pcols), burdenseasalt(pcols)
real(r8) :: aodmode(pcols)
real(r8) :: dustaodmode(pcols) ! dust aod in aerosol mode
real(r8) :: specrefr, specrefi
real(r8) :: scatdust(pcols), scatso4(pcols), scatbc(pcols), &
scatpom(pcols), scatsoa(pcols), scatseasalt(pcols)
real(r8) :: absdust(pcols), absso4(pcols), absbc(pcols), &
abspom(pcols), abssoa(pcols), absseasalt(pcols)
real(r8) :: hygrodust(pcols), hygroso4(pcols), hygrobc(pcols), &
hygropom(pcols), hygrosoa(pcols), hygroseasalt(pcols)
real(r8) :: scath2o, absh2o, sumscat, sumabs, sumhygro
real(r8) :: aodc ! aod of component
! total species AOD
real(r8) :: dustaod(pcols), so4aod(pcols), bcaod(pcols), &
pomaod(pcols), soaaod(pcols), seasaltaod(pcols)
logical :: savaervis ! true if visible wavelength (0.55 micron)
logical :: savaernir ! true if near ir wavelength (~0.88 micron)
logical :: savaeruv ! true if uv wavelength (~0.35 micron)
real(r8) :: aoduv(pcols) ! extinction optical depth in uv
real(r8) :: aodnir(pcols) ! extinction optical depth in nir
character(len=32) :: outname
! debug output
integer, parameter :: nerrmax_dopaer=1000
integer :: nerr_dopaer = 0
real(r8) :: volf ! volume fraction of insoluble aerosol
character(len=*), parameter :: subname = 'modal_aero_sw'
!----------------------------------------------------------------------------
lchnk = state%lchnk
ncol = state%ncol
! initialize output variables
tauxar(:ncol,:,:) = 0._r8
wa(:ncol,:,:) = 0._r8
ga(:ncol,:,:) = 0._r8
fa(:ncol,:,:) = 0._r8
! zero'th layer does not contain aerosol
tauxar(1:ncol,0,:) = 0._r8
wa(1:ncol,0,:) = 0.925_r8
ga(1:ncol,0,:) = 0.850_r8
fa(1:ncol,0,:) = 0.7225_r8
mass(:ncol,:) = state%pdeldry(:ncol,:)*rga
air_density(:ncol,:) = state%pmid(:ncol,:)/(rair*state%t(:ncol,:))
! diagnostics for visible band summed over modes
extinct(1:ncol,:) = 0.0_r8
absorb(1:ncol,:) = 0.0_r8
aodvis(1:ncol) = 0.0_r8
aodabs(1:ncol) = 0.0_r8
burdendust(:ncol) = 0.0_r8
burdenso4(:ncol) = 0.0_r8
burdenpom(:ncol) = 0.0_r8
burdensoa(:ncol) = 0.0_r8
burdenbc(:ncol) = 0.0_r8
burdenseasalt(:ncol) = 0.0_r8
ssavis(1:ncol) = 0.0_r8
aodabsbc(:ncol) = 0.0_r8
dustaod(:ncol) = 0.0_r8
so4aod(:ncol) = 0.0_r8
pomaod(:ncol) = 0.0_r8
soaaod(:ncol) = 0.0_r8
bcaod(:ncol) = 0.0_r8
seasaltaod(:ncol) = 0.0_r8
! diags for other bands
aoduv(:ncol) = 0.0_r8
aodnir(:ncol) = 0.0_r8
! loop over all aerosol modes
call rad_cnst_get_info(list_idx, nmodes=nmodes)
if (list_idx == 0) then
! water uptake and wet radius for the climate list has already been calculated
call pbuf_get_field(pbuf, dgnumwet_idx, dgnumwet_m)
call pbuf_get_field(pbuf, qaerwat_idx, qaerwat_m)
else
! If doing a diagnostic calculation then need to calculate the wet radius
! and water uptake for the diagnostic modes
call modal_aero_calcsize_diag(state, pbuf, list_idx, dgnumdry_m)
call modal_aero_wateruptake_dr(state, pbuf, list_idx, dgnumdry_m, dgnumwet_m, &
qaerwat_m, wetdens_m)
endif
do m = 1, nmodes
! diagnostics for visible band for each mode
burden(:ncol) = 0._r8
aodmode(1:ncol) = 0.0_r8
dustaodmode(1:ncol) = 0.0_r8
dgnumwet => dgnumwet_m(:,:,m)
qaerwat => qaerwat_m(:,:,m)
! get mode properties
call rad_cnst_get_mode_props(list_idx, m, sigmag=sigma_logr_aer, refrtabsw=refrtabsw , &
refitabsw=refitabsw, extpsw=extpsw, abspsw=abspsw, asmpsw=asmpsw)
! get mode info
call rad_cnst_get_info(list_idx, m, nspec=nspec)
! calc size parameter for all columns
call modal_size_parameters(ncol, sigma_logr_aer, dgnumwet, radsurf, logradsurf, cheb)
do isw = 1, nswbands
savaervis = (isw .eq. idx_sw_diag)
savaeruv = (isw .eq. idx_uv_diag)
savaernir = (isw .eq. idx_nir_diag)
do k = top_lev, pver
! form bulk refractive index
crefin(:ncol) = (0._r8, 0._r8)
dryvol(:ncol) = 0._r8
dustvol(:ncol) = 0._r8
scatdust(:ncol) = 0._r8
absdust(:ncol) = 0._r8
hygrodust(:ncol) = 0._r8
scatso4(:ncol) = 0._r8
absso4(:ncol) = 0._r8
hygroso4(:ncol) = 0._r8
scatbc(:ncol) = 0._r8
absbc(:ncol) = 0._r8
hygrobc(:ncol) = 0._r8
scatpom(:ncol) = 0._r8
abspom(:ncol) = 0._r8
hygropom(:ncol) = 0._r8
scatsoa(:ncol) = 0._r8
abssoa(:ncol) = 0._r8
hygrosoa(:ncol) = 0._r8
scatseasalt(:ncol) = 0._r8
absseasalt(:ncol) = 0._r8
hygroseasalt(:ncol) = 0._r8
! aerosol species loop
do l = 1, nspec
call rad_cnst_get_aer_mmr(list_idx, m, l, 'a', state, pbuf, specmmr)
call rad_cnst_get_aer_props(list_idx, m, l, density_aer=specdens, &
refindex_aer_sw=specrefindex, spectype=spectype, &
hygro_aer=hygro_aer)
do i = 1, ncol
vol(i) = specmmr(i,k)/specdens
dryvol(i) = dryvol(i) + vol(i)
crefin(i) = crefin(i) + vol(i)*specrefindex(isw)
end do
! compute some diagnostics for visible band only
if (savaervis) then
specrefr = real(specrefindex(isw))
specrefi = aimag(specrefindex(isw))
do i = 1, ncol
burden(i) = burden(i) + specmmr(i,k)*mass(i,k)
end do
if (trim(spectype) == 'dust') then
do i = 1, ncol
burdendust(i) = burdendust(i) + specmmr(i,k)*mass(i,k)
dustvol(i) = vol(i)
scatdust(i) = vol(i)*specrefr
absdust(i) = -vol(i)*specrefi
hygrodust(i) = vol(i)*hygro_aer
end do
end if
if (trim(spectype) == 'sulfate') then
do i = 1, ncol
burdenso4(i) = burdenso4(i) + specmmr(i,k)*mass(i,k)
scatso4(i) = vol(i)*specrefr
absso4(i) = -vol(i)*specrefi
hygroso4(i) = vol(i)*hygro_aer
end do
end if
if (trim(spectype) == 'black-c') then
do i = 1, ncol
burdenbc(i) = burdenbc(i) + specmmr(i,k)*mass(i,k)
scatbc(i) = vol(i)*specrefr
absbc(i) = -vol(i)*specrefi
hygrobc(i) = vol(i)*hygro_aer
end do
end if
if (trim(spectype) == 'p-organic') then
do i = 1, ncol
burdenpom(i) = burdenpom(i) + specmmr(i,k)*mass(i,k)
scatpom(i) = vol(i)*specrefr
abspom(i) = -vol(i)*specrefi
hygropom(i) = vol(i)*hygro_aer
end do
end if
if (trim(spectype) == 's-organic') then
do i = 1, ncol
burdensoa(i) = burdensoa(i) + specmmr(i,k)*mass(i,k)
scatsoa(i) = vol(i)*specrefr
abssoa(i) = -vol(i)*specrefi
hygrosoa(i) = vol(i)*hygro_aer
end do
end if
if (trim(spectype) == 'seasalt') then
do i = 1, ncol
burdenseasalt(i) = burdenseasalt(i) + specmmr(i,k)*mass(i,k)
scatseasalt(i) = vol(i)*specrefr
absseasalt(i) = -vol(i)*specrefi
hygroseasalt(i) = vol(i)*hygro_aer
end do
end if
end if
end do ! species loop
do i = 1, ncol
watervol(i) = qaerwat(i,k)/rhoh2o
wetvol(i) = watervol(i) + dryvol(i)
if (watervol(i) < 0._r8) then
if (abs(watervol(i)) .gt. 1.e-1_r8*wetvol(i)) then
write(iulog,'(a,2e10.2,a)') 'watervol,wetvol=', &
watervol(i), wetvol(i), ' in '//subname
end if
watervol(i) = 0._r8
wetvol(i) = dryvol(i)
end if
! volume mixing
crefin(i) = crefin(i) + watervol(i)*crefwsw(isw)
crefin(i) = crefin(i)/max(wetvol(i),1.e-60_r8)
refr(i) = real(crefin(i))
refi(i) = abs(aimag(crefin(i)))
end do
! call t_startf('binterp')
! interpolate coefficients linear in refractive index
! first call calcs itab,jtab,ttab,utab
itab(:ncol) = 0
call binterp(extpsw(:,:,:,isw), ncol, ncoef, prefr, prefi, &
refr, refi, refrtabsw(:,isw), refitabsw(:,isw), &
itab, jtab, ttab, utab, cext)
call binterp(abspsw(:,:,:,isw), ncol, ncoef, prefr, prefi, &
refr, refi, refrtabsw(:,isw), refitabsw(:,isw), &
itab, jtab, ttab, utab, cabs)
call binterp(asmpsw(:,:,:,isw), ncol, ncoef, prefr, prefi, &
refr, refi, refrtabsw(:,isw), refitabsw(:,isw), &
itab, jtab, ttab, utab, casm)
! call t_stopf('binterp')
! parameterized optical properties
do i=1,ncol
if (logradsurf(i,k) .le. xrmax) then
pext(i) = 0.5_r8*cext(i,1)
do nc = 2, ncoef
pext(i) = pext(i) + cheb(nc,i,k)*cext(i,nc)
enddo
pext(i) = exp(pext(i))
else
pext(i) = 1.5_r8/(radsurf(i,k)*rhoh2o) ! geometric optics
endif
! convert from m2/kg water to m2/kg aerosol
specpext(i) = pext(i)
pext(i) = pext(i)*wetvol(i)*rhoh2o
pabs(i) = 0.5_r8*cabs(i,1)
pasm(i) = 0.5_r8*casm(i,1)
do nc = 2, ncoef
pabs(i) = pabs(i) + cheb(nc,i,k)*cabs(i,nc)
pasm(i) = pasm(i) + cheb(nc,i,k)*casm(i,nc)
enddo
pabs(i) = pabs(i)*wetvol(i)*rhoh2o
pabs(i) = max(0._r8,pabs(i))
pabs(i) = min(pext(i),pabs(i))
palb(i) = 1._r8-pabs(i)/max(pext(i),1.e-40_r8)
palb(i) = 1._r8-pabs(i)/max(pext(i),1.e-40_r8)
dopaer(i) = pext(i)*mass(i,k)
end do
if (savaeruv) then
do i = 1, ncol
aoduv(i) = aoduv(i) + dopaer(i)
end do
end if
if (savaernir) then
do i = 1, ncol
aodnir(i) = aodnir(i) + dopaer(i)
end do
endif
! Save aerosol optical depth at longest visible wavelength
! sum over layers
if (savaervis) then
! aerosol extinction (/m)
do i = 1, ncol
extinct(i,k) = extinct(i,k) + dopaer(i)*air_density(i,k)/mass(i,k)
absorb(i,k) = absorb(i,k) + pabs(i)*air_density(i,k)
aodvis(i) = aodvis(i) + dopaer(i)
aodabs(i) = aodabs(i) + pabs(i)*mass(i,k)
aodmode(i) = aodmode(i) + dopaer(i)
ssavis(i) = ssavis(i) + dopaer(i)*palb(i)
if (wetvol(i) > 1.e-40_r8) then
dustaodmode(i) = dustaodmode(i) + dopaer(i)*dustvol(i)/wetvol(i)
! partition optical depth into contributions from each constituent
! assume contribution is proportional to refractive index X volume
scath2o = watervol(i)*real(crefwsw(isw))
absh2o = -watervol(i)*aimag(crefwsw(isw))
sumscat = scatso4(i) + scatpom(i) + scatsoa(i) + scatbc(i) + &
scatdust(i) + scatseasalt(i) + scath2o
sumabs = absso4(i) + abspom(i) + abssoa(i) + absbc(i) + &
absdust(i) + absseasalt(i) + absh2o
sumhygro = hygroso4(i) + hygropom(i) + hygrosoa(i) + hygrobc(i) + &
hygrodust(i) + hygroseasalt(i)
scatdust(i) = (scatdust(i) + scath2o*hygrodust(i)/sumhygro)/sumscat
absdust(i) = (absdust(i) + absh2o*hygrodust(i)/sumhygro)/sumabs
scatso4(i) = (scatso4(i) + scath2o*hygroso4(i)/sumhygro)/sumscat
absso4(i) = (absso4(i) + absh2o*hygroso4(i)/sumhygro)/sumabs
scatpom(i) = (scatpom(i) + scath2o*hygropom(i)/sumhygro)/sumscat
abspom(i) = (abspom(i) + absh2o*hygropom(i)/sumhygro)/sumabs
scatsoa(i) = (scatsoa(i) + scath2o*hygrosoa(i)/sumhygro)/sumscat
abssoa(i) = (abssoa(i) + absh2o*hygrosoa(i)/sumhygro)/sumabs
scatbc(i) = (scatbc(i) + scath2o*hygrobc(i)/sumhygro)/sumscat
absbc(i) = (absbc(i) + absh2o*hygrobc(i)/sumhygro)/sumabs
scatseasalt(i) = (scatseasalt(i) + scath2o*hygroseasalt(i)/sumhygro)/sumscat
absseasalt(i) = (absseasalt(i) + absh2o*hygroseasalt(i)/sumhygro)/sumabs
aodabsbc(i) = aodabsbc(i) + absbc(i)*dopaer(i)*(1.0_r8-palb(i))
aodc = (absdust(i)*(1.0_r8 - palb(i)) + palb(i)*scatdust(i))*dopaer(i)
dustaod(i) = dustaod(i) + aodc
aodc = (absso4(i)*(1.0_r8 - palb(i)) + palb(i)*scatso4(i))*dopaer(i)
so4aod(i) = so4aod(i) + aodc
aodc = (abspom(i)*(1.0_r8 - palb(i)) + palb(i)*scatpom(i))*dopaer(i)
pomaod(i) = pomaod(i) + aodc
aodc = (abssoa(i)*(1.0_r8 - palb(i)) + palb(i)*scatsoa(i))*dopaer(i)
soaaod(i) = soaaod(i) + aodc
aodc = (absbc(i)*(1.0_r8 - palb(i)) + palb(i)*scatbc(i))*dopaer(i)
bcaod(i) = bcaod(i) + aodc
aodc = (absseasalt(i)*(1.0_r8 - palb(i)) + palb(i)*scatseasalt(i))*dopaer(i)
seasaltaod(i) = seasaltaod(i) + aodc
endif
end do
endif
do i = 1, ncol
if ((dopaer(i) <= -1.e-10_r8) .or. (dopaer(i) >= 30._r8)) then
if (dopaer(i) <= -1.e-10_r8) then
write(iulog,*) "ERROR: Negative aerosol optical depth &
&in this layer."
else
write(iulog,*) "WARNING: Aerosol optical depth is &
&unreasonably high in this layer."
end if
write(iulog,*) 'dopaer(', i, ',', k, ',', m, ',', lchnk, ')=', dopaer(i)
! write(iulog,*) 'itab,jtab,ttab,utab=',itab(i),jtab(i),ttab(i),utab(i)
write(iulog,*) 'k=', k, ' pext=', pext(i), ' specext=', specpext(i)
write(iulog,*) 'wetvol=', wetvol(i), ' dryvol=', dryvol(i), ' watervol=', watervol(i)
! write(iulog,*) 'cext=',(cext(i,l),l=1,ncoef)
! write(iulog,*) 'crefin=',crefin(i)
write(iulog,*) 'nspec=', nspec
! write(iulog,*) 'cheb=', (cheb(nc,m,i,k),nc=2,ncoef)
do l = 1, nspec
call rad_cnst_get_aer_mmr(list_idx, m, l, 'a', state, pbuf, specmmr)
call rad_cnst_get_aer_props(list_idx, m, l, density_aer=specdens, &
refindex_aer_sw=specrefindex)
volf = specmmr(i,k)/specdens
write(iulog,*) 'l=', l, 'vol(l)=', volf
write(iulog,*) 'isw=', isw, 'specrefindex(isw)=', specrefindex(isw)
write(iulog,*) 'specdens=', specdens
end do
nerr_dopaer = nerr_dopaer + 1
! if (nerr_dopaer >= nerrmax_dopaer) then
if (dopaer(i) < -1.e-10_r8) then
write(iulog,*) '*** halting in '//subname//' after nerr_dopaer =', nerr_dopaer
call endrun('exit from '//subname)
end if
end if
end do
do i=1,ncol
tauxar(i,k,isw) = tauxar(i,k,isw) + dopaer(i)
wa(i,k,isw) = wa(i,k,isw) + dopaer(i)*palb(i)
ga(i,k,isw) = ga(i,k,isw) + dopaer(i)*palb(i)*pasm(i)
fa(i,k,isw) = fa(i,k,isw) + dopaer(i)*palb(i)*pasm(i)*pasm(i)
end do
end do ! pver
end do ! sw bands
! mode diagnostics
! The diagnostics are currently only output for the climate list. Code mods will
! be necessary to provide output for the rad_diag lists.
if (list_idx == 0) then
do i = 1, nnite
burden(idxnite(i)) = fillvalue
aodmode(idxnite(i)) = fillvalue
dustaodmode(idxnite(i)) = fillvalue
end do
write(outname,'(a,i1)') 'BURDEN', m
call outfld(trim(outname), burden, pcols, lchnk)
write(outname,'(a,i1)') 'AODMODE', m
call outfld(trim(outname), aodmode, pcols, lchnk)
write(outname,'(a,i1)') 'AODDUST', m
call outfld(trim(outname), dustaodmode, pcols, lchnk)
end if
end do ! nmodes
if (list_idx > 0) then
deallocate(dgnumdry_m)
deallocate(dgnumwet_m)
deallocate(qaerwat_m)
deallocate(wetdens_m)
end if
! Output visible band diagnostics for quantities summed over the modes
! These fields are put out for diagnostic lists as well as the climate list.
do i = 1, nnite
extinct(idxnite(i),:) = fillvalue
absorb(idxnite(i),:) = fillvalue
aodvis(idxnite(i)) = fillvalue
aodabs(idxnite(i)) = fillvalue
end do
call outfld('EXTINCT'//diag(list_idx), extinct, pcols, lchnk)
call outfld('ABSORB'//diag(list_idx), absorb, pcols, lchnk)
call outfld('AODVIS'//diag(list_idx), aodvis, pcols, lchnk)
call outfld('AODABS'//diag(list_idx), aodabs, pcols, lchnk)
! These diagnostics are output only for climate list
if (list_idx == 0) then
do i = 1, ncol
if (aodvis(i) > 1.e-10_r8) then
ssavis(i) = ssavis(i)/aodvis(i)
else
ssavis(i) = 0.925_r8
endif
end do
do i = 1, nnite
ssavis(idxnite(i)) = fillvalue
aoduv(idxnite(i)) = fillvalue
aodnir(idxnite(i)) = fillvalue
burdendust(idxnite(i)) = fillvalue
burdenso4(idxnite(i)) = fillvalue
burdenpom(idxnite(i)) = fillvalue
burdensoa(idxnite(i)) = fillvalue
burdenbc(idxnite(i)) = fillvalue
burdenseasalt(idxnite(i)) = fillvalue
aodabsbc(idxnite(i)) = fillvalue
dustaod(idxnite(i)) = fillvalue
so4aod(idxnite(i)) = fillvalue
pomaod(idxnite(i)) = fillvalue
soaaod(idxnite(i)) = fillvalue
bcaod(idxnite(i)) = fillvalue
seasaltaod(idxnite(i)) = fillvalue
end do
call outfld('SSAVIS', ssavis, pcols, lchnk)
call outfld('AODUV', aoduv, pcols, lchnk)
call outfld('AODNIR', aodnir, pcols, lchnk)
call outfld('BURDENDUST', burdendust, pcols, lchnk)
call outfld('BURDENSO4' , burdenso4, pcols, lchnk)
call outfld('BURDENPOM' , burdenpom, pcols, lchnk)
call outfld('BURDENSOA' , burdensoa, pcols, lchnk)
call outfld('BURDENBC' , burdenbc, pcols, lchnk)
call outfld('BURDENSEASALT', burdenseasalt, pcols, lchnk)
call outfld('AODABSBC', aodabsbc, pcols, lchnk)
call outfld('AODDUST', dustaod, pcols, lchnk)
call outfld('AODSO4', so4aod, pcols, lchnk)
call outfld('AODPOM', pomaod, pcols, lchnk)
call outfld('AODSOA', soaaod, pcols, lchnk)
call outfld('AODBC', bcaod, pcols, lchnk)
call outfld('AODSS', seasaltaod, pcols, lchnk)
end if
end subroutine modal_aero_sw
!===============================================================================
subroutine modal_aero_lw(list_idx, state, pbuf, tauxar)
! calculates aerosol lw radiative properties
integer, intent(in) :: list_idx ! index of the climate or a diagnostic list
type(physics_state), intent(in), target :: state ! state variables
type(physics_buffer_desc), pointer :: pbuf(:)
real(r8), intent(out) :: tauxar(pcols,pver,nlwbands) ! layer absorption optical depth
! Local variables
integer :: i, ifld, ilw, k, l, m, nc, ns
integer :: lchnk ! chunk id
integer :: ncol ! number of active columns in the chunk
integer :: nmodes
integer :: nspec
real(r8), pointer :: dgnumwet(:,:) ! wet number mode diameter (m)
real(r8), pointer :: qaerwat(:,:) ! aerosol water (g/g)
real(r8), pointer :: dgnumdry_m(:,:,:) ! number mode dry diameter for all modes
real(r8), pointer :: dgnumwet_m(:,:,:) ! number mode wet diameter for all modes
real(r8), pointer :: qaerwat_m(:,:,:) ! aerosol water (g/g) for all modes
real(r8), pointer :: wetdens_m(:,:,:) !
real(r8) :: sigma_logr_aer ! geometric standard deviation of number distribution
real(r8) :: alnsg_amode
real(r8) :: xrad(pcols)
real(r8) :: cheby(ncoef,pcols,pver) ! chebychef polynomials
real(r8) :: mass(pcols,pver) ! layer mass
real(r8), pointer :: specmmr(:,:) ! species mass mixing ratio
real(r8) :: specdens ! species density (kg/m3)
complex(r8), pointer :: specrefindex(:) ! species refractive index
real(r8) :: vol(pcols) ! volume concentration of aerosol specie (m3/kg)
real(r8) :: dryvol(pcols) ! volume concentration of aerosol mode (m3/kg)
real(r8) :: wetvol(pcols) ! volume concentration of wet mode (m3/kg)
real(r8) :: watervol(pcols) ! volume concentration of water in each mode (m3/kg)
real(r8) :: refr(pcols) ! real part of refractive index
real(r8) :: refi(pcols) ! imaginary part of refractive index
complex(r8) :: crefin(pcols) ! complex refractive index