!!!!! ========================================================== !!!!! !!!!! sw-rrtm2 radiation package description !!!!! !!!!! ========================================================== !!!!! ! ! ! the sw-rrtm2 package includes these parts: ! ! ! ! 'radsw_rrtm2_param.f' ! ! 'radsw_rrtm2_datatb.f' ! ! 'radsw_rrtm2_main.f' ! ! ! ! the 'radsw_rrtm2_param.f' contains: ! ! ! ! 'module_radsw_parameters' -- band parameters set up ! ! 'module_radsw_cntr_para' -- control parameters set up ! ! ! ! the 'radsw_rrtm2_datatb.f' contains: ! ! ! ! 'module_radsw_cldprtb' -- cloud property coefficients table ! ! 'module_radlw_kgbnn' -- absorption coeffients for 14 ! ! bands, where nn = 16-29 ! ! ! ! the 'radsw_rrtm2_main.f' contains: ! ! ! ! 'module_radsw_main' -- main sw radiation transfer ! ! ! ! in the main module 'module_radsw_main' there are only two ! ! externally callable subroutines: ! ! ! ! 'swrad' -- main rrtm2 sw radiation routine ! ! 'rswinit' -- initialization routine ! ! ! ! all the sw radiation subprograms become contained subprograms ! ! in module 'module_radsw_main' and many of them are not directly ! ! accessable from places outside the module. ! ! ! ! compilation sequence is: ! ! ! ! 'radsw_rrtm2_param.f' ! ! 'radsw_rrtm2_datatb.f' ! ! 'radsw_rrtm2_main.f' ! ! ! ! and all should be put in front of routines that use sw modules ! ! ! !!!!! ========================================================== !!!!! !!!!! end descriptions !!!!! !!!!! ========================================================== !!!!! !========================================! module module_radsw_cntr_para ! !........................................! ! implicit none ! integer :: iswrate, iaersw, imodsw, irgassw integer :: iflagliq, iflagice ! ! --- set up control parameters for sw radiation ! parameter ( iswrate=2 ) !===> ... flag for heating rate unit ! =1: output in k/day ! (default) ! =2: output in k/second parameter ( iaersw=1 ) !===> ... flag for aerosols ! (default) ! =0: without aerosol effect ! =1: include aerosol effect parameter ( imodsw=2 ) !===> ... flag for 2-stream transfer scheme ! =1: delta-eddington (joseph et al., 1976) ! (default) ! =2: pifm (zdunkowski et al., 1980) ! =3: discrete ordinates (liou, 1973) parameter ( irgassw=1 ) !===> ... control flag for rare gases (ch4,n2o,o2, etc.) ! =0: do not include rare gases ! (default) ! =1: include all rare gases parameter ( iflagliq=1 ) !===> ... liq-cloud optical properties contrl flag ! =0: input cloud opt depth, ignor iflagice setting !(default) ! =1: input cwp,rew, hu and stamnes(1993) method for liq cld parameter ( iflagice=3 ) !===> ... ice-cloud optical properties contrl flag ! only used when iflagc .ge. 2, else is ignored ! =0: not set up yet ! =1: not set up yet ! =2: not set up yet !(default) ! =3: input cip rei, fu (1996) for ice clouds ! !........................................! end module module_radsw_cntr_para ! !========================================! !========================================! module module_radsw_parameters ! !........................................! use machine, only : kind_phys implicit none ! public ! ! --- define type construct for radiation fluxes at toa ! type :: topfsw_type real (kind=kind_phys) :: upfxc ! total sky upward flux at toa real (kind=kind_phys) :: dnfxc ! total sky downward flux at toa real (kind=kind_phys) :: upfx0 ! clear sky upward flux at toa end type ! ! --- define type construct for radiation fluxes at surface ! type :: sfcfsw_type real (kind=kind_phys) :: upfxc ! total sky upward flux at sfc real (kind=kind_phys) :: dnfxc ! total sky downward flux at sfc real (kind=kind_phys) :: upfx0 ! clear sky upward flux at sfc real (kind=kind_phys) :: dnfx0 ! clear sky downward flux at sfc end type ! ! --- define type construct for optional radiation flux profiles ! type :: profsw_type real (kind=kind_phys) :: upfxc ! total sky level upward flux real (kind=kind_phys) :: dnfxc ! total sky level downward flux real (kind=kind_phys) :: upfx0 ! clear sky level upward flux real (kind=kind_phys) :: dnfx0 ! clear sky level downward flux end type ! ! --- define type construct for optional component downward fluxes at surface ! type :: cmpfsw_type real (kind=kind_phys) :: uvbfc ! total sky downward uv-b flux at sfc real (kind=kind_phys) :: uvbf0 ! clear sky downward uv-b flux at sfc real (kind=kind_phys) :: nirbm ! sfc downward nir direct beam flux real (kind=kind_phys) :: nirdf ! sfc downward nir diffused flux real (kind=kind_phys) :: visbm ! sfc downward uv+vis direct beam flx real (kind=kind_phys) :: visdf ! sfc downward uv+vis diffused flux end type ! ! --- parameter constants for sw band structures ! integer, parameter :: NBLOW = 16 ! band range lower limit integer, parameter :: NBHGH = 29 ! band range upper limit integer, parameter :: NBANDS = NBHGH-NBLOW+1 ! num of spectral bands integer, parameter :: NGPT = 112 ! total num of g-point in all bands integer, parameter :: NGMAX = 16 ! max num of g-point in one band integer, parameter :: MAXGAS = 6 ! max num of absorbing gases integer, parameter :: NSWSTR = 1 integer, parameter :: NSWEND = NBANDS integer, parameter :: NBDSW = NBANDS ! --- number of g-point in each band integer :: NG16, NG17, NG18, NG19, NG20, NG21, NG22, & & NG23, NG24, NG25, NG26, NG27, NG28, NG29 parameter ( NG16=06, NG17=12, NG18=08, NG19=08, NG20=10, & & NG21=10, NG22=02, NG23=10, NG24=08, NG25=06, & & NG26=06, NG27=08, NG28=06, NG29=12) integer, dimension(NBLOW:NBHGH) :: NG(NBLOW:NBHGH) data NG / NG16, NG17, NG18, NG19, NG20, NG21, NG22, & & NG23, NG24, NG25, NG26, NG27, NG28, NG29 / ! --- starting index of each band integer :: NS16, NS17, NS18, NS19, NS20, NS21, NS22, & & NS23, NS24, NS25, NS26, NS27, NS28, NS29 parameter ( NS16=00, NS17=NS16+NG16, NS18=NS17+NG17, & & NS19=NS18+NG18, NS20=NS19+NG19, NS21=NS20+NG20, & & NS22=NS21+NG21, NS23=NS22+NG22, NS24=NS23+NG23, & & NS25=NS24+NG24, NS26=NS25+NG25, NS27=NS26+NG26, & & NS28=NS27+NG27, NS29=NS28+NG28 ) ! --- band wavenumber intervals real (kind=kind_phys), dimension(NBANDS):: wvnum1, wvnum2 data wvnum1(:) / & & 2600.0, 3251.0, 4001.0, 4651.0, 5151.0, 6151.0, 7701.0, & & 8051.0,12851.0,16001.0,22651.0,29001.0,38001.0, 820.0 / data wvnum2(:) / & & 3250.0, 4000.0, 4650.0, 5150.0, 6150.0, 7700.0, 8050.0, & & 12850.0,16000.0,22650.0,29000.0,38000.0,50000.0, 2600.0 / ! !........................................! end module module_radsw_parameters ! !========================================!