##General options ##~~~~~~~~~~~~~~~ #Run with or without tracer transport ? tracer=.false. #Diurnal cycle ? if diurnal=False, diurnal averaged solar heating diurnal=.true. #Seasonal cycle ? if season=False, Ls stays constant, to value set in "start" season = .true. #write some more output on the screen ? lwrite = .false. #Save statistics in file "stats.nc" ? callstats =.true. #Save EOF profiles in file "profiles" for Climate Database? calleofdump = .false. ## Dust scenario. Used if the dust is prescribed (i.e. if tracer=F or active=F) ## ~~~~~~~~~~~~~ # =1 Dust opt.deph read in startfi; =2 Viking scenario; =3 MGS scenario, # =4 Mars Year 24 from TES assimilation (old version of MY24; dust_tes.nc file) # =24 Mars Year 24 from TES assimilation (ie: MCD reference case) # =25 Mars Year 25 from TES assimilation (ie: a year with a global dust storm) # =26 Mars Year 26 from TES assimilation iaervar = 24 # Dust opacity at 700 Pa (when constant, i.e. for the iaervar=1 case) tauvis=0.2 # Dust vertical distribution: # (=0: old distrib. (Pollack90), =1: top set by "topdustref", # =2: Viking scenario; =3 MGS scenario) iddist = 3 # Dust top altitude (km). (Matters only if iddist=1) topdustref = 55. ## Physical Parameterizations : ## ~~~~~~~~~~~~~~~~~~~~~~~~~~ # call radiative transfer ? callrad = .true. # call NLTE radiative schemes ? matters only if callrad=T callnlte = .true. # call CO2 NIR absorption ? matters only if callrad=T callnirco2 = .true. # call turbulent vertical diffusion ? calldifv = .true. # call convective adjustment ? calladj = .true. # call CO2 condensation ? callcond =.true. # call thermal conduction in the soil ? callsoil = .true. # call Lott's gravity wave/subgrid topography scheme ? calllott = .true. # Impose polar cap surface albedos as observed by TES? TESicealbedo = .true. ## Radiative transfer options : ## ~~~~~~~~~~~~~~~~~~~~~~~~~~ # the rad.transfer is computed every "iradia" physical timestep iradia = 1 # Output of the exchange coefficient mattrix ? for diagnostic only callg2d = .false. # Rayleigh scattering : (should be .false. for now) rayleigh = .false. ## Tracer (dust water, ice and/or chemical species) options (used if tracer=T): ## ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ # DUST: Transported dust ? (if >0, use 'dustbin' dust bins) dustbin = 0 # DUST: Radiatively active dust ? (matters if dustbin>0) active = .false. # DUST: use mass and number mixing ratios to predict dust size ? doubleq = .false. # DUST: lifted by GCM surface winds ? lifting = .false. # DUST: lifted by dust devils ? callddevil = .false. # DUST: Scavenging by CO2 snowfall ? scavenging = .false. # DUST/WATERICE: Gravitationnal sedimentation ? sedimentation = .false. # WATERICE: Radiatively active transported atmospheric water ice ? activice = .false. # WATER: Compute water cycle water = .false. # WATER: current permanent caps at both poles. True IS RECOMMENDED # (with .true., North cap is a source of water and South pole # is a cold trap) caps = .true. # PHOTOCHEMISTRY: include chemical species photochem = .false. ## Thermospheric options (relevant if tracer=T) : ##~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ # call thermosphere ? callthermos = .false. # WATER: included without cycle (only if water=.false.) thermoswater = .false. # call thermal conduction ? (only if callthermos=.true.) callconduct = .false. # call EUV heating ? (only if callthermos=.true.) calleuv=.false. # call molecular viscosity ? (only if callthermos=.true.) callmolvis = .false. # call molecular diffusion ? (only if callthermos=.true.) callmoldiff = .false. # call thermospheric photochemistry ? (only if callthermos=.true.) thermochem = .false. # date for solar flux calculation: (1985 < date < 2002) ## (Solar min=1996.4 ave=1993.4 max=1990.6) solarcondate = 1993.4