## Orbit / general options ## ~~~~~~~~~~~~~~~~~~~~~~~ # Run with or without tracer transport ? tracer = .false. # 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. # Tidally resonant orbit ? must have diurnal=false, correct rotation rate in newstart tlocked = .false. # Tidal resonance ratio ? ratio T_orbit to T_rotation nres = 1 # Write some more output on the screen ? lwrite = .false. # Save statistics in file "stats.nc" ? callstats = .false. # Test energy conservation of model physics ? enertest = .true. ## Directory where external input files are ## ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ datadir = /d6/jllmd/datagcm ## Radiative transfer options ## ~~~~~~~~~~~~~~~~~~~~~~~~~~ # call radiative transfer? callrad = .true. # the rad. transfer is computed every "iradia" physical timestep iradia = 1 # Use blackbody for stellar spectrum ? stelbbody = .false. # Stellar blackbody temperature ? stelTbb = 2000.000 # call multilayer correlated-k radiative transfer ? corrk = .true. # folder in which correlated-k data is stored ? corrkdir = earth # corrkdir = N2CO2poor_H2Ovar # corrkdir = megaCO2 # corrkdir = null # call visible gaseous absorption in radiative transfer ? callgasvis = .true. # call continuum in radiative transfer ? Continuum = .false. # Include Rayleigh scattering in the visible ? rayleigh = .true. # Uniform absorption coefficient in radiative transfer? graybody = .false. # Constant absorption coefficient in visible # (in m^2/kg; only if graybody=true): # tau_surf= kappa*P/g kappa_VI = 5.e-7 # Constant absorption coefficient in IR # (in m^2/kg; only if graybody=true): kappa_IR = 1.e-5 # Use Newtonian cooling in place of radiative transfer ? newtonian = .false. # Radiative timescale for Newtonian cooling ? [only if newtonian = T] tau_relax = 30.00000 # Test physics timescale in 1D ? testradtimes = .false. # Characteristic planetary equilibrium (black body) temperature # This is used only in the aerosol radiative transfer setup. (see aerave.F) tplanet = 215. # Output spectral OLR in 1D/3D? specOLR = .true. # Output global radiative balance in file 'rad_bal.out' - slow for 1D!! meanOLR = .false. # Variable gas species: Radiatively active ? varactive = .false. # Variable gas species: Fixed vertical distribution ? # (not to be used in time integration mode) varfixed = .false. # Variable gas species: Saturation percentage value at ground ? satval = .0 # Use fixed vertical profile, 1 step, no iteration ? kastprof = .false. # Remove lower boundary (e.g. for gas giant sims) noradsurf = .false. ## Star type ## ~~~~~~~~~ startype = 1 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ # The choices are: # # startype = 1 Sol (G2V-class main sequence) # startype = 2 Ad Leo (M-class, synthetic) # startype = 3 GJ644 # startype = 4 HD128167 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ # Stellar flux at 1 AU. Examples: # 1366.0 W m-2 Sol today # 1024.5 W m-2 Sol today x 0.75 = weak early Sun # 18.462 W m-2 The feeble Gl581 # 19.960 W m-2 Gl581 with e=0.38 orbital average Fat1AU = 1366.0 ## Tracer and aerosol options ## ~~~~~~~~~~~~~~~~~~~~~~~~~~ # Gravitational sedimentation of tracers (just H2O ice for now) ? sedimentation = .false. ## Other physics options ## ~~~~~~~~~~~~~~~~~~~~~ # call turbulent vertical diffusion ? calldifv = .true. # use turbdiff instead of vdifc ? UseTurbDiff = .true. # call convective adjustment ? calladj = .true. # call thermal conduction in the soil ? callsoil = .true. ######################################################################### ## extra non-standard definitions for Earth ######################################################################### ## Tracer and aerosol options ## ~~~~~~~~~~~~~~~~~~~~~~~~~~ # Radiatively active CO2 aerosol? aeroco2 = .false. # Fixed CO2 aerosol distribution? aerofixco2 = .false. # Radiatively active water aerosol? aeroh2o = .true. # Fixed water aerosol distribution? aerofixh2o = .true. # basic dust opacity dusttau = 0.0 # Varying H2O cloud fraction? CLFvarying = .false. # H2O cloud fraction? CLFfixval = 0.0 # basic dust opacity dusttau = 0.0 # water cloud pressure level (norm. by psurf) cloudlvl = 0.0 # fixed radii for cloud particles? radfixed=.false. # number mixing ratio of CO2 ice particles Nmix_co2 = 100000. # number mixing ratio of water particles (for rafixed=.false.) Nmix_h2o = 1.e7 # number mixing ratio of water ice particles (for rafixed=.false.) Nmix_h2o_ice = 5.e5 # radius of H2O water particles (for rafixed=.true.): rad_h2o=10.e-6 # radius of H2O ice particles (for rafixed=.true.): rad_h2o_ice=35.e-6 # atm mass update due to tracer evaporation/condensation? mass_redistrib = .false. ## Water options ## ~~~~~~~~~~~~~ # Model water cycle water = .false. # Model water cloud formation watercond = .false. # Model water precipitation (including coagulation etc.) waterrain = .false. # Use simple precipitation scheme? precip_scheme=4 # multiplicative constant in Boucher 95 precip scheme Cboucher=1. # Include hydrology ? hydrology = .false. # H2O snow (and ice) albedo ? albedosnow = 0.5 # Maximum sea ice thickness ? maxicethick = 0.5 # Freezing point of seawater (degrees C) ? Tsaldiff = 0.0 # Evolve surface water sources ? sourceevol = .false. ## CO2 options ## ~~~~~~~~~~~ # call CO2 condensation ? co2cond = .false. # Set initial temperature profile to 1 K above CO2 condensation everywhere? nearco2cond = .false.