module dimradmars_mod ! Declaration and settings for radiative transfer calculations ! Initializations and allocations are done in phys_state_var_init implicit none ! nflev: number of vertical layer ! ndlon,ndlo2: number of horizontal points ! Splitting of horizontal grid ! NDLO2 and ndomainsz for the splitting in the physics call ! WARNING: One must have 1 < ndomainsz =< ngrid integer,save :: NFLEV !=nlayer ! with splitting integer,save :: ndomainsz !=(ngrid-1)/20 + 1 integer,save :: NDLON !=ndomainsz ! with splitting integer,save :: NDLO2 !=NDLON ! Number of kind of tracer radiative properties ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ! naerkind is set by reading callphys.def ! -- see conf_phys ! -- value of nsizemax below is comfortably high ! but beware in case you add a lot of scatterers INTEGER, SAVE :: naerkind ! AS: previously in aerkind.h character*20, SAVE, ALLOCATABLE :: name_iaer(:) ! name of the scatterers integer iaer_dust_conrath ! Typical dust profiles using a ! Conrath type analytical equation integer iaer_dust_doubleq ! Dust profile is given by the ! mass mixing ratio of the two- ! moment scheme method (doubleq) integer iaer_dust_submicron ! Dust profile is given by a ! submicron population of dust ! particles integer iaer_h2o_ice ! Water ice particles ! AS: was in aeropacity INTEGER,SAVE,ALLOCATABLE :: iaerdust(:) ! AS: was in suaer CHARACTER(LEN=30), SAVE, ALLOCATABLE :: file_id(:,:) ! Reference wavelengths used to compute reference optical depth (m) ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ REAL,SAVE,ALLOCATABLE :: longrefir(:),longrefvis(:) ! Definition of spectral intervals at thermal infrared wavelengths (LW) ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ integer,parameter :: nir=4 ! Total number of thermal IR bands integer,parameter :: nuco2=2 ! number of bands in CO2 bands real,parameter :: long1ir=5.E-6 , long2ir=200.E-6 real,parameter :: long1co2=1.E+0 / 865.E+2 , long2co2=1.E+0 / 500.E+2 ! Warning : the "nir" thermal IR bands are not ordered by wavelength: ! iir=1 : central 15um CO2 bands ! iir=2 : CO2 band wings [long1co2-long2co2] MINUS central band ! iir=3 : 9 um band [long1ir - long1co2] ! iir=4 : Far IR [long2co2 - long2ir] ! Definition of spectral interval at solar wavelengths (SW) ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ integer,parameter :: NSUN=2 ! do not change that ! ! Boundaries of spectral intervals (m) : real,parameter :: long1vis=0.1E-6 , long2vis=0.5E-6 , long3vis=5.E-6 ! Fraction of solar energy in solar band #1 [long1vis-long2vis] : 0.274490 ! Fraction of solar energy in solar band #2 [long2vis-long3vis] : 0.725509 real,save :: sunfr(2) = (/ 0.274490 , 0.725509 /) ! Maximum number of grain size classes ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ! This parameter has to be set to the maximum number of particle ! sizes contained in the optical parameter database; For example, ! if only one grain size is used to describe dust, and 30 are used ! to describe water-ice crystals in the visible and 15 in the IR, ! nsizemax has to be set to 30. ! If only one grain size is considered for all the aerosols, set ! this parameter to 1 and convolution will be turned off during ! the radiative calculations. integer, parameter :: nsizemax = 60 ! integer, parameter :: nsizemax = 1 ! Various initialisation for LW radiative code ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ! npademx : number of Pade coefficients ! nabsmx : ? ! nt_pademx : number of temperature intervals for Pade integer,parameter :: npademx=4 integer,parameter :: nabsmx=2 integer,parameter :: nt_pademx=19 !! !! variables !! REAL,SAVE,ALLOCATABLE :: dtrad(:,:) ! Net atm. radiative heating rate (K.s-1) REAL,SAVE,ALLOCATABLE :: fluxrad_sky(:) ! rad. flux from sky absorbed by surface (W.m-2) REAL,SAVE,ALLOCATABLE :: fluxrad(:) ! Net radiative surface flux (W.m-2) REAL,SAVE,ALLOCATABLE :: albedo(:,:) ! Surface albedo in each solar band REAL,SAVE,ALLOCATABLE :: tauscaling(:) ! Convertion factor for qdust and Ndust ! aerosol (dust or ice) extinction optical depth at reference wavelength ! "longrefvis" set in dimradmars_mod , for one of the "naerkind" kind of ! aerosol optical properties : REAL,SAVE,ALLOCATABLE :: aerosol(:,:,:) REAL,SAVE,ALLOCATABLE :: nueffdust(:,:) ! Dust effective variance !! ------------------------------------------------------ !! AS: what was previously in yomaer ! Shortwave ! ~~~~~~~~~ ! ! tauvis: dust optical depth at reference wavelength ("longrefvis" set ! in dimradmars_mod : typically longrefvis = 0.67E-6 m, as measured by Viking ) ! For the "naerkind" kind of aerosol radiative properties : ! QVISsQREF : Qext / Qext("longrefvis") <--- For both solar bands ! omegavis : sinle scattering albedo <--- For both solar bands ! gvis : assymetry factor <--- For both solar bands ! ! Longwave ! ~~~~~~~~ ! ! For the "naerkind" kind of aerosol radiative properties : ! QIRsQREF : Qext / Qext("longrefvis") <--- For the nir bandes IR ! omegaIR : mean single scattering albedo <--- For the nir bandes IR ! gIR : mean assymetry factor <--- For the nir bandes IR ! real,save :: tauvis real,save,allocatable :: QVISsQREF(:,:,:) real,save,allocatable :: omegavis(:,:,:) real,save,allocatable :: gvis(:,:,:) real,save,allocatable :: QIRsQREF(:,:,:) real,save,allocatable :: omegaIR(:,:,:) real,save,allocatable :: gIR(:,:,:) ! Actual number of grain size classes in each domain for a ! given aerosol: integer,save,allocatable :: nsize(:,:) ! Particle size axis (depend on the kind of aerosol and the ! radiation domain) real,save,allocatable :: radiustab(:,:,:) ! Extinction coefficient at reference wavelengths; ! These wavelengths are defined in dimradmars_mod, and called ! longrefvis and longrefir. real,save,allocatable :: QREFvis(:,:) real,save,allocatable :: QREFir(:,:) real,save,allocatable :: omegaREFvis(:,:) real,save,allocatable :: omegaREFir(:,:) !! ------------------------------------------------------ contains subroutine ini_dimradmars_mod(ngrid,nlayer) implicit none integer,intent(in) :: ngrid ! number of atmospheric columns integer,intent(in) :: nlayer ! number of atmospheric layers nflev=nlayer ! ndomainsz=ngrid ndomainsz=(ngrid-1)/20 + 1 ! ndomainsz=(ngrid-1)/5 + 1 ndlon=ndomainsz ndlo2=ndlon allocate(albedo(ngrid,2)) allocate(dtrad(ngrid,nlayer)) allocate(fluxrad_sky(ngrid)) allocate(fluxrad(ngrid)) allocate(tauscaling(ngrid)) allocate(nueffdust(ngrid,nlayer)) end subroutine ini_dimradmars_mod subroutine ini_scatterers(ngrid,nlayer) implicit none integer,intent(in) :: ngrid ! number of atmospheric columns integer,intent(in) :: nlayer ! number of atmospheric layers allocate(name_iaer(naerkind)) allocate(aerosol(ngrid,nlayer,naerkind)) allocate(longrefir(naerkind)) allocate(longrefvis(naerkind)) allocate(iaerdust(naerkind)) allocate(file_id(naerkind,2)) allocate(QVISsQREF(nsun,naerkind,nsizemax)) allocate(omegavis(nsun,naerkind,nsizemax)) allocate(gvis(nsun,naerkind,nsizemax)) allocate(QIRsQREF(nir,naerkind,nsizemax)) allocate(omegaIR(nir,naerkind,nsizemax)) allocate(gIR(nir,naerkind,nsizemax)) allocate(nsize(naerkind,2)) allocate(radiustab(naerkind,2,nsizemax)) allocate(QREFvis(naerkind,nsizemax)) allocate(QREFir(naerkind,nsizemax)) allocate(omegaREFvis(naerkind,nsizemax)) allocate(omegaREFir(naerkind,nsizemax)) end subroutine ini_scatterers end module dimradmars_mod