[135] | 1 | ## Orbit / general options |
---|
| 2 | ## ~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 3 | # Run with or without tracer transport ? |
---|
| 4 | tracer = .true. |
---|
| 5 | # Diurnal cycle ? if diurnal=false, diurnally averaged solar heating |
---|
[253] | 6 | diurnal = .true. |
---|
[135] | 7 | # Seasonal cycle ? if season=false, Ls stays constant, to value set in "start" |
---|
| 8 | season = .true. |
---|
| 9 | # Tidally resonant orbit ? must have diurnal=false, correct rotation rate in newstart |
---|
| 10 | tlocked = .false. |
---|
| 11 | # Tidal resonance ratio ? ratio T_orbit to T_rotation |
---|
| 12 | nres = 1 |
---|
| 13 | # Write some more output on the screen ? |
---|
| 14 | lwrite = .false. |
---|
| 15 | # Save statistics in file "stats.nc" ? |
---|
[253] | 16 | callstats = .true. |
---|
[135] | 17 | # Test energy conservation of model physics ? |
---|
| 18 | enertest = .false. |
---|
[539] | 19 | # Check to see if cpp, mugaz values used match gas mixture defined in gases.def (recommended) ? |
---|
| 20 | check_cpp_match=.true. |
---|
[135] | 21 | |
---|
| 22 | ## Radiative transfer options |
---|
| 23 | ## ~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 24 | # call radiative transfer? |
---|
| 25 | callrad = .true. |
---|
| 26 | # the rad. transfer is computed every "iradia" physical timestep |
---|
| 27 | iradia = 4 |
---|
| 28 | # call multilayer correlated-k radiative transfer ? |
---|
| 29 | corrk = .true. |
---|
[539] | 30 | # Include continuum absorption in radiative transfer (note CO2 is treated separately) ? |
---|
| 31 | continuum = .true. |
---|
[135] | 32 | # folder in which correlated-k data is stored ? |
---|
| 33 | corrkdir = earlymars |
---|
| 34 | # call visible gaseous absorption in radiative transfer ? |
---|
| 35 | callgasvis = .true. |
---|
| 36 | # Include Rayleigh scattering in the visible ? |
---|
| 37 | rayleigh = .true. |
---|
| 38 | # Characteristic planetary equilibrium (black body) temperature |
---|
| 39 | # This is used only in the aerosol radiative transfer setup. (see aerave.F) |
---|
| 40 | tplanet = 215. |
---|
[253] | 41 | # Output spectral OLR in 1D/3D? |
---|
[135] | 42 | specOLR = .false. |
---|
[253] | 43 | # Output global radiative balance in file 'rad_bal.out' - slow for 1D!! |
---|
| 44 | meanOLR = .true. |
---|
[135] | 45 | # Variable gas species: Radiatively active ? |
---|
[253] | 46 | varactive = .true. |
---|
[135] | 47 | # Variable gas species: Fixed vertical distribution ? |
---|
[253] | 48 | varfixed = .false. |
---|
[135] | 49 | # Variable gas species: Saturation percentage value at ground ? |
---|
[253] | 50 | satval = 0.0 |
---|
[135] | 51 | |
---|
| 52 | ## Star type |
---|
| 53 | ## ~~~~~~~~~ |
---|
| 54 | startype = 1 |
---|
| 55 | # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 56 | # The choices are: |
---|
| 57 | # |
---|
| 58 | # startype = 1 Sol (G2V-class main sequence) |
---|
| 59 | # startype = 2 Ad Leo (M-class, synthetic) |
---|
| 60 | # startype = 3 GJ644 |
---|
| 61 | # startype = 4 HD128167 |
---|
[1784] | 62 | # startype = 9 TRAPPIST-1 |
---|
| 63 | # startype = 10 Proxima Centauri |
---|
[135] | 64 | # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 65 | # Stellar flux at 1 AU. Examples: |
---|
[253] | 66 | # 1366.0 W m-2 Sol today |
---|
| 67 | # 1024.5 W m-2 Sol today x 0.75 = weak Sun 3.8 GYa |
---|
| 68 | # 18.462 W m-2 The feeble GJ581 |
---|
| 69 | # 19.960 W m-2 GJ581 with e=0.38 orbital average |
---|
| 70 | Fat1AU = 1024.5 |
---|
[135] | 71 | |
---|
| 72 | ## Tracer and aerosol options |
---|
| 73 | ## ~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 74 | # Gravitational sedimentation of tracers (KEEP FALSE FOR NOW) ? |
---|
| 75 | sedimentation = .false. |
---|
| 76 | |
---|
[2972] | 77 | |
---|
[135] | 78 | ## Other physics options |
---|
| 79 | ## ~~~~~~~~~~~~~~~~~~~~~ |
---|
| 80 | # call turbulent vertical diffusion ? |
---|
| 81 | calldifv = .true. |
---|
[727] | 82 | # use turbdiff instead of vdifc ? |
---|
| 83 | UseTurbDiff = .true. |
---|
[135] | 84 | # call convective adjustment ? |
---|
| 85 | calladj = .true. |
---|
| 86 | # call thermal conduction in the soil ? |
---|
| 87 | callsoil = .true. |
---|
| 88 | |
---|
| 89 | ######################################################################### |
---|
[539] | 90 | ## extra non-standard definitions for Early Mars |
---|
[135] | 91 | ######################################################################### |
---|
| 92 | |
---|
| 93 | ## Tracer and aerosol options |
---|
| 94 | ## ~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
[2972] | 95 | # Number of radiatively active aerosols |
---|
| 96 | naerkind=2 |
---|
[727] | 97 | # Radiatively active CO2 aerosol? |
---|
| 98 | aeroco2 = .true. |
---|
| 99 | # Fixed CO2 aerosol distribution? |
---|
| 100 | aerofixco2 = .false. |
---|
| 101 | # Radiatively active water aerosol? |
---|
| 102 | aeroh2o = .true. |
---|
| 103 | # Fixed water aerosol distribution? |
---|
| 104 | aerofixh2o = .false. |
---|
| 105 | # basic dust opacity |
---|
| 106 | dusttau = 0.0 |
---|
[253] | 107 | # Varying H2O cloud fraction? |
---|
| 108 | CLFvarying = .false. |
---|
| 109 | # H2O cloud fraction? |
---|
| 110 | CLFfixval = 0.5 |
---|
[729] | 111 | # fixed radii for cloud particles? |
---|
| 112 | radfixed=.false. |
---|
[135] | 113 | # number mixing ratio of CO2 ice particles |
---|
| 114 | Nmix_co2 = 100000. |
---|
[729] | 115 | # number mixing ratio of water particles (for rafixed=.false.) |
---|
| 116 | Nmix_h2o = 1.e7 |
---|
| 117 | # number mixing ratio of water ice particles (for rafixed=.false.) |
---|
| 118 | Nmix_h2o_ice = 5.e5 |
---|
| 119 | # radius of H2O water particles (for rafixed=.true.): |
---|
| 120 | rad_h2o=10.e-6 |
---|
| 121 | # radius of H2O ice particles (for rafixed=.true.): |
---|
| 122 | rad_h2o_ice=35.e-6 |
---|
| 123 | # atm mass update due to tracer evaporation/condensation? |
---|
| 124 | mass_redistrib = .false. |
---|
[135] | 125 | |
---|
| 126 | ## Water options |
---|
| 127 | ## ~~~~~~~~~~~~~ |
---|
| 128 | # Model water cycle |
---|
| 129 | water = .true. |
---|
| 130 | # Model water cloud formation |
---|
| 131 | watercond = .true. |
---|
| 132 | # Model water precipitation (including coagulation etc.) |
---|
| 133 | waterrain = .true. |
---|
[729] | 134 | # Use simple precipitation scheme? |
---|
| 135 | precip_scheme=4 |
---|
| 136 | # multiplicative constant in Boucher 95 precip scheme |
---|
| 137 | Cboucher=1. |
---|
[539] | 138 | # Include hydrology ? |
---|
[253] | 139 | hydrology = .true. |
---|
[1498] | 140 | # Spectral Dependant Albedo ? |
---|
| 141 | albedo_spectral_mode=.false. |
---|
| 142 | # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 143 | # If albedo_spectral_mode=.true., albedosnow becomes the 0.5 micron snow albedo. |
---|
| 144 | # |
---|
| 145 | # albedosnow = 0.95 (0.73 Sun-integrated) for fresh snow. |
---|
| 146 | # = 0.50 (0.39 Sun-integrated) for dirty snow. |
---|
| 147 | # = 0.645 (0.50 Sun-integrated) for 'realistic' snow. |
---|
| 148 | # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
[539] | 149 | # H2O snow (and ice) albedo ? |
---|
[1498] | 150 | albedosnow = 0.50 |
---|
[539] | 151 | # Maximum sea ice thickness ? |
---|
| 152 | maxicethick = 0.05 |
---|
| 153 | # Freezing point of seawater (degrees C) ? |
---|
| 154 | Tsaldiff = 0.0 |
---|
| 155 | # Evolve surface water sources ? |
---|
| 156 | sourceevol = .true. |
---|
| 157 | # Ice evolution timestep ? |
---|
| 158 | icetstep = 10 |
---|
[135] | 159 | |
---|
| 160 | ## CO2 options |
---|
| 161 | ## ~~~~~~~~~~~ |
---|
[1498] | 162 | # Co2 ice albedo ? |
---|
| 163 | albedoco2ice = 0.5 |
---|
[135] | 164 | # gas is non-ideal CO2 ? |
---|
| 165 | nonideal = .false. |
---|
| 166 | # call CO2 condensation ? |
---|
| 167 | co2cond = .true. |
---|
| 168 | # Set initial temperature profile to 1 K above CO2 condensation everywhere? |
---|
[253] | 169 | nearco2cond = .false. |
---|
| 170 | |
---|