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