source: LMDZ6/trunk/DefLists/cosp_input_nl.txt @ 4582

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! Namelist that sets up the main COSP options
&COSP_INPUT
  NPOINTS_IT=10000,! Max number of gridpoints to be processed in one iteration
  NCOLUMNS=20,  ! Number of subcolumns
  USE_VGRID=.true., ! Use fixed vertical grid for outputs? (if .true. then you need to define number of levels with Nlr)
  NLR=40,       ! Number of levels in statistical outputs (only used if USE_VGRID=.true.)
  CSAT_VGRID=.true., ! CloudSat vertical grid? (if .true. then the CloudSat standard grid is used for the outputs.
                     !  USE_VGRID needs also be .true.)
  !----------------------------------------------------------------------------------
  !--------------- Inputs related to radar simulations
  !----------------------------------------------------------------------------------
  RADAR_FREQ=94.0, ! CloudSat radar frequency (GHz)
  SURFACE_RADAR=0, ! surface=1, spaceborne=0
  use_mie_tables=0,! use a precomputed lookup table? yes=1,no=0
  use_gas_abs=1,   ! include gaseous absorption? yes=1,no=0
  do_ray=0,        ! calculate/output Rayleigh refl=1, not=0
  melt_lay=0,      ! melting layer model off=0, on=1
  k2=-1,           ! |K|^2, -1=use frequency dependent default
  use_reff=.true., ! True if you want effective radius to be used by radar simulator (always used by lidar)
  use_precipitation_fluxes=.true.,  ! True if precipitation fluxes are input to the algorithm 
  !----------------------------------------------------------------------------------
  !---------------- Inputs related to lidar simulations
  !----------------------------------------------------------------------------------
  Nprmts_max_hydro=12, ! Max number of parameters for hydrometeor size distributions
  Naero=1,             ! Number of aerosol species (Not used)
  Nprmts_max_aero=1,   ! Max number of parameters for aerosol size distributions (Not used)
  lidar_ice_type=0,    ! Ice particle shape in lidar calculations (0=ice-spheres ; 1=ice-non-spherical)
  OVERLAP=3,   !  overlap type: 1=max, 2=rand, 3=max/rand
  !----------------------------------------------------------------------------------
  !---------------- Inputs related to ISCCP simulator
  !----------------------------------------------------------------------------------
  ISCCP_TOPHEIGHT=1,  !  1 = adjust top height using both a computed
                       !  infrared brightness temperature and the visible
                       !  optical depth to adjust cloud top pressure. Note
                       !  that this calculation is most appropriate to compare
                       !  to ISCCP data during sunlit hours.
                      !  2 = do not adjust top height, that is cloud top
                       !  pressure is the actual cloud top pressure
                       !  in the model
                      !  3 = adjust top height using only the computed
                       !  infrared brightness temperature. Note that this
                       !  calculation is most appropriate to compare to ISCCP
                       !  IR only algortihm (i.e. you can compare to nighttime
                       !  ISCCP data with this option)
  ISCCP_TOPHEIGHT_DIRECTION=2,   ! direction for finding atmosphere pressure level
                                 ! with interpolated temperature equal to the radiance
                                 ! determined cloud-top temperature
                                 ! 1 = find the *lowest* altitude (highest pressure) level
                                 ! with interpolated temperature equal to the radiance
                                 ! determined cloud-top temperature
                                 ! 2 = find the *highest* altitude (lowest pressure) level
                                 ! with interpolated temperature equal to the radiance 
                                 ! determined cloud-top temperature
                                 ! ONLY APPLICABLE IF top_height EQUALS 1 or 3
                                 ! 1 = default setting, and matches all versions of 
                                 ! ISCCP simulator with versions numbers 3.5.1 and lower
                                 ! 2 = experimental setting  
  !----------------------------------------------------------------------------------
  !-------------- RTTOV inputs
  !----------------------------------------------------------------------------------
  Platform=1,    ! satellite platform
  Satellite=15,  ! satellite
  Instrument=0,  ! instrument
  Nchannels=8,   ! Number of channels to be computed
  Channels=1,3,5,6,8,10,11,13,        ! Channel numbers (please be sure that you supply Nchannels)
  Surfem=0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,  ! Surface emissivity (please be sure that you supply Nchannels)
  ZenAng=50.0, ! Satellite Zenith Angle
  CO2=5.241e-04, ! Mixing ratios of trace gases
  CH4=9.139e-07,
  N2O=4.665e-07,
  CO=2.098e-07
/