source: LMDZ5/trunk/libf/cosp/cosp_constants.F90 @ 2216

! (c) British Crown Copyright 2008, the Met Office.
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!
! History:
! Jul 2007 - A. Bodas-Salcedo - Initial version
! Jul 2008 - A. Bodas-Salcedo - Added definitions of ISCCP axes
! Oct 2008 - H. Chepfer       - Added PARASOL_NREFL
!
! 
MODULE MOD_COSP_CONSTANTS
    use netcdf, only: nf90_fill_real
    IMPLICIT NONE
    
    ! Indices to address arrays of LS and CONV hydrometeors
    integer,parameter :: I_LSCLIQ = 1
    integer,parameter :: I_LSCICE = 2
    integer,parameter :: I_LSRAIN = 3
    integer,parameter :: I_LSSNOW = 4
    integer,parameter :: I_CVCLIQ = 5
    integer,parameter :: I_CVCICE = 6
    integer,parameter :: I_CVRAIN = 7
    integer,parameter :: I_CVSNOW = 8
    integer,parameter :: I_LSGRPL = 9
    
    ! Missing value
!!    real,parameter :: R_UNDEF = -1.0E30
!     real,parameter :: R_UNDEF = 9.96921e+36
      real,parameter :: R_UNDEF = nf90_fill_real

    ! Number of possible output variables
    integer,parameter :: N_OUT_LIST = 27
    ! Value for forward model result from a level that is under the ground
    real,parameter :: R_GROUND = -1.0E20

    ! Stratiform and convective clouds in frac_out
    integer, parameter :: I_LSC = 1, & ! Large-scale clouds
                          I_CVC = 2    ! Convective clouds
    
    !--- Radar constants
    ! CFAD constants
    integer,parameter :: DBZE_BINS     =   15   ! Number of dBZe bins in histogram (cfad)
    real,parameter    :: DBZE_MIN      = -100.0 ! Minimum value for radar reflectivity
    real,parameter    :: DBZE_MAX      =   80.0 ! Maximum value for radar reflectivity
    real,parameter    :: CFAD_ZE_MIN   =  -50.0 ! Lower value of the first CFAD Ze bin
    real,parameter    :: CFAD_ZE_WIDTH =    5.0 ! Bin width (dBZe)

   
    !--- Lidar constants
    ! CFAD constants
    integer,parameter :: SR_BINS       =   15
    integer,parameter :: DPOL_BINS     =   6
    real,parameter    :: LIDAR_UNDEF   =   999.999
    ! Other constants
    integer,parameter :: LIDAR_NCAT    =   4
    integer,parameter :: PARASOL_NREFL =   5 ! parasol
    real,parameter,dimension(PARASOL_NREFL) :: PARASOL_SZA = (/0.0, 20.0, 40.0, 6.0, 80.0/)
!    real,parameter,dimension(PARASOL_NREFL) :: PARASOL_SZA = (/1.0, 2.0, 3.0, 4.0, 5.0/)
    real,parameter    :: DEFAULT_LIDAR_REFF = 30.0e-6 ! Default lidar effective radius
    
    !--- MISR constants
    integer,parameter :: MISR_N_CTH = 16

    !--- RTTOV constants
    integer,parameter :: RTTOV_MAX_CHANNELS = 20
    
    ! ISCCP tau-Pc axes
    real,parameter,dimension(7) :: ISCCP_TAU = (/0.15, 0.80, 2.45, 6.5, 16.2, 41.5, 50000.0/)
    real,parameter,dimension(2,7) :: ISCCP_TAU_BNDS = reshape(source=(/0.0,0.3,0.3,1.30,1.30,3.6,3.6,9.4, &
                                                      9.4,23.0,23.0,60.0,60.0,100000.0/), shape=(/2,7/))
   
!     real,parameter,dimension(7) :: ISCCP_PC = (/9000., 24500., 37500., 50000., 62000., 74000., 90000./)
!     real,parameter,dimension(2,7) :: ISCCP_PC_BNDS = reshape(source=(/0.0,18000.0,18000.0,31000.0,31000.0, &
!                                44000.0,44000.0,56000.0,56000.0,68000.0,68000.0,80000.0,80000.0,100000.0/), shape=(/2,7/))
   
    real,parameter,dimension(7) :: ISCCP_PC = (/90000., 74000., 62000., 50000., 37500., 24500., 9000./)
    real,parameter,dimension(2,7) :: ISCCP_PC_BNDS = reshape(source=(/100000.0,80000.0,80000.0,68000.0,68000.0,56000.0 &
                               ,56000.0,44000.0,44000.0,31000.0,31000.0,18000.0,18000.0,0.0/), shape=(/2,7/))
    
    real,parameter,dimension(MISR_N_CTH) :: MISR_CTH = (/ 0., 0.25, 0.75, 1.25, 1.75, 2.25, 2.75, 3.5, &
                                            4.5, 6., 8., 10., 12., 14.5, 16., 18./)
    real,parameter,dimension(2,MISR_N_CTH) :: MISR_CTH_BNDS = reshape(source=(/ &
                                            -99.0,  0.0,       0.0,  0.5,       0.5,  1.0,      1.0,  1.5, &
                                              1.5,  2.0,       2.0,  2.5,       2.5,  3.0,      3.0,  4.0, &
                                              4.0,  5.0,       5.0,  7.0,       7.0,  9.0,      9.0, 11.0, &
                                             11.0, 13.0,      13.0, 15.0,      15.0, 17.0,     17.0, 99.0/), &
                                             shape=(/2,MISR_N_CTH/))
            
    !  Table hclass for quickbeam
    integer,parameter :: N_HYDRO = 9
    real :: HCLASS_TYPE(N_HYDRO),HCLASS_COL(N_HYDRO),HCLASS_PHASE(N_HYDRO), &
            HCLASS_CP(N_HYDRO),HCLASS_DMIN(N_HYDRO),HCLASS_DMAX(N_HYDRO)
    real :: HCLASS_APM(N_HYDRO),HCLASS_BPM(N_HYDRO),HCLASS_RHO(N_HYDRO), &
            HCLASS_P1(N_HYDRO),HCLASS_P2(N_HYDRO),HCLASS_P3(N_HYDRO)
    data HCLASS_TYPE/5,1,2,2,5,1,2,2,2/
    data HCLASS_COL/1,2,3,4,5,6,7,8,9/
    data HCLASS_PHASE/0,1,0,1,0,1,0,1,1/
    data HCLASS_CP/0,0,1,1,0,0,1,1,1/
    data HCLASS_DMIN/-1,-1,-1,-1,-1,-1,-1,-1,-1/
    data HCLASS_DMAX/-1,-1,-1,-1,-1,-1,-1,-1,-1/
    data HCLASS_APM/524,110.8,524,-1,524,110.8,524,-1,-1/
    data HCLASS_BPM/3,2.91,3,-1,3,2.91,3,-1,-1/
    data HCLASS_RHO/-1,-1,-1,100,-1,-1,-1,100,400/
    data HCLASS_P1/-1,-1,8000000.,3000000.,-1,-1,8000000.,3000000.,4000000./
    data HCLASS_P2/6,40,-1,-1,6,40,-1,-1,-1/
    data HCLASS_P3/0.3,2,-1,-1,0.3,2,-1,-1,-1/

    
    
END MODULE MOD_COSP_CONSTANTS