## Datagcm path datadir=/home/tanguy/SIMUS/datagcm ## Orbit / general options ## ~~~~~~~~~~~~~~~~~~~~~~~ # Run with or without tracer transport ? tracer = .true. # Diurnal cycle ? if diurnal=false, diurnally averaged solar heating diurnal = .false. # Seasonal cycle ? if season=false, Ls stays constant, to value set in "start" season = .false. # Run 1D or 3D version (false) / fast version volatile transport (true) fast = .false. # Write some more output on the screen ? lwrite = .false. # Save statistics in file "stats.nc" ? callstats = .false. # Test energy conservation of model physics ? enertest = .false. # run with triton orbit ? triton = .false. # specific paleo run ? paleo = .true. # nb Earth years as paleoclimate step ? (if paleo = true) paleoyears = 1. # conservation of nitrogen conservn2 = .false. ## Radiative transfer options ## ~~~~~~~~~~~~~~~~~~~~~~~~~~ # call radiative transfer? callrad = .true. # the rad. transfer is computed every "iradia" physical timestep iradia = 1 # call multilayer correlated-k radiative transfer ? corrk = .true. ch4fix = .false. vmrch4fix = 0.5 nlte=.false. cooling=.false. # folder in which correlated-k data is stored ? corrkdir = pluton_ch4var_COfix # call visible gaseous absorption in radiative transfer ? callgasvis = .true. # Output spectral OLR in 3D? specOLR = .false. # Output global radiative balance in file 'olr.txt' - slow for 1D!! meanOLR = .false. # Star type (inherited from generic model) startype = 1 Fat1AU = 1366.0 ## Tracer and aerosol options ## ~~~~~~~~~~~~~~~~~~~~~~~~~~ # Call N2 condensation ? N2cond = .false. # N2 condensation subtimestep ? nbcond = 20 # Gravitational sedimentation of tracers ? sedimentation = .false. # Compute methane cycle ? methane = .true. condmetsurf=.true. # Compute CO cycle ? carbox = .true. condcosurf=.true. # Compute methane clouds ? metcloud = .false. # Compute CO clouds ? monoxcloud = .false. # Haze production ? haze = .true. hazeconservch4 = .true. # Fast haze production (with option fast=.true.) ? fasthaze = .true. # number mixing ratio of haze particles for ch4 clouds Nmix_ch4 = 100000. # number mixing ratio of haze particles for co clouds Nmix_co = 100000. # Radiatively active haze ? aerohaze=.false. proffix = .true. # fractal particle ? fractal=.false. # geothermal flux at the bottom layer fluxgeo = 0. patchflux=0 ! Warm patch of flux in soil.F ## Surface properties ## ~~~~~~~~~~~~~~~~~~~~~~~~~~ # options to change albedo with time mode_n2=0 ! 0=fixed, 1=change w thickness, 2=special for SP deltab=0. ! if mod_n2=1, difference of albedo depending of thickness metlateq=35 ! latitude separating dark/bright methane tholateq=25 ! latitude separating eq/pole tholins mode_ch4=1 specalb=.true. alb_n2b=0.7 alb_n2a=0.7 alb_ch4=0.5 alb_ch4_eq=0.5 alb_ch4_s=0.5 alb_co=0.4 alb_tho=0.2 alb_tho_eq=0.1 emis_n2b=0.8 emis_n2a=0.8 emis_ch4=0.8 emis_co=0.8 emis_tho=1.0 emis_tho_eq=1.0 # Change TI with time changeti=.true. ITCH4=800. ITN2=800 ITH2O=2000. ## Other physics options ## ~~~~~~~~~~~~~~~~~~~~ # call turbulent vertical diffusion ? calldifv = .true. # call convective adjustment ? calladj = .true. # call thermal conduction in the soil ? callsoil = .true. # call thermal conduction callconduct=.true. # call molecular viscosity 3D only callmolvis=.false. # call molecular diffusion callmoldiff=.false. # flux qui arrive au-dessus de latmosphere phitop=0.