#---------------------------------# # Run parameters for the 1D model # #---------------------------------# ## Planetary constants ## ~~~~~~~~~~~~~~~~~~~~~~~ ## NB: those are mandatory ## ~~~~~~~~~~~~~~~~~~~~~~~ ## LENGTH OF A DAY in s #daysec = 38362. # Voyager System III #daysec = 38640. # Cassini System IIIa daysec = 38052. # Read System IIIw ## GRAVITY in m s-2 g = 10.44 ## LENGTH OF A YEAR in days #year_day = 24232. # Voyager System III #year_day = 24058. # Cassini System IIIa year_day = 24430. # Read System IIIw ## MIN DIST STAR-PLANET in AU [periastron] periastr = 9.02152 ## MAX DIST STAR-PLANET in AU [apoastron] apoastr = 10.05448 ## DATE OF PERIASTRON in days peri_day = 19280. ## OBLIQUITY in deg obliquit = 26.73 ## SURFACE PRESSURE in Pa psurf = 1.e6 ## Time integration parameters ## ~~~~~~~~~~~~~~~~~~~~~~~~~~~ # Initial date (in solar days,=0 at Ls=0) day0 = 0 # Initial local time (in hours, between 0 and 24) time = 12 # Number of time steps per sol day_step = 1 # Number of sols to run ndt = 342020 # Number of steps between each writing in diagfi ecritphy=5000 # OVERRIDE callphys.def settings # ... this to ensure compliancy with the low day_step value above iradia = 25 ## Vertical levels ## ~~~~~~~~~~~~~~~ # hybrid vertical coordinate ? (.true. for hybrid and .false. for sigma levels) hybrid = .false. # autocompute vertical discretisation? (useful for exoplanet runs) autozlevs = .true. autozlevs = .false. # Ceiling pressure (Pa) ? (only used if autozlevs = .true.) pceil = 10. ## Thermal properties ## ~~~~~~~~~~~~~~~~~~ # Simulate global averaged conditions ? global1d = .true. # Latitude (deg) [only used if global1d = F] latitude = 0.0 # Solar Zenith angle (deg) [only used if global1d = T] szangle = 45. # Albedo of bare ground albedo = 0.0 # Emissivity of bare ground emis = 1.0 # Soil thermal inertia (SI) inertia = 0.001 # Initial CO2 ice on the surface (kg.m-2) co2ice = 0. ## Wind profile ## ~~~~~~~~~~~~ ## zonal eastward component of the geostrophic wind (m/s) u = 0. # meridional northward component of the geostrophic wind (m/s) v = 0. ## Initial atmospheric temperature profile ## ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ # # Type of initial temperature profile # ichoice=1 Constant Temperature: T=tref # [Mars] ichoice=2 Savidjari profile (as Seiff but with dT/dz=cte) # [Mars] ichoice=3 Lindner (polar profile) # [Mars] ichoice=4 inversion # [Mars] ichoice=5 Seiff (standard profile, based on Viking entry) # ichoice=6 constant T + gaussian perturbation (levels) # ichoice=7 constant T + gaussian perturbation (km) # ichoice=8 Read in an ascii file "profile" ichoice = 8 # Reference temperature tref (K) tref = 200. # Add a perturbation to profile if isin=1 isin = 0 # peak of gaussian perturbation (for ichoice=6 or 7) pic = 26.522 # width of the gaussian perturbation (for ichoice=6 or 7) largeur = 10 # height of the gaussian perturbation (for ichoice=6 or 7) hauteur = 30.