# #----------------------------------------------------------------------- # Run parameters for the 1D 'rcm1d.e' model #----------------------------------------------------------------------- ## ~~~~~~~~~~~~~~~~~~~~~~~~~~~ ## Time integration parameters ## ~~~~~~~~~~~~~~~~~~~~~~~~~~~ # Initial date day0=0 # Initial local time (in hours, between 0 and 24) time=0 # Number of time steps per day day_step=200 # Number of days to run ndt =673 ## ~~~~~~~~~~~~~~~~~~~~ ## Planetary constants ## ~~~~~~~~~~~~~~~~~~~~ # Planetary radius (m) rad = 2575000 # Length of a year (days) year_day=673 # Length of a day (s) daysec = 1378890 # periastron (AU) : minimum Sun-Planet distance periastr = 9.05426543135603 # apoastron (AU) : maximum Sun-Planet distance apoastr = 10.0669795050736 # date of periastron (days) peri_day = 536 # Obliquity (deg) obliquit = 26.7 # Surface pressure (Pa) psurf=146700 # Gravity (ms^-2) g=1.35 ## ~~~~~~~~~~~~~~~~ ## Vertical levels ## ~~~~~~~~~~~~~~~~ # Hybrid vertical coordinate ? (.true. for hybrid and .false. for sigma levels) hybrid=.true # Autocompute vertical discretisation? (useful for exoplanet runs) autozlevs=.false # Ceiling pressure (Pa) pceil = 0.135 ## ~~~~~~~~~~~~~~~~~~~ ## Thermal properties ## ~~~~~~~~~~~~~~~~~~~ # Simulate global averaged conditions ? global1d = .true. # Solar Zenith angle (deg) [only used if global1d = T] szangle = 60. # Latitude (deg) [only used if global1d = F] latitude = 0.0 # Molar mass of atmosphere (g) mugaz=27.83246 # Specific heat capacity of atmosphere? cpp=1038.73 # Albedo of bare ground albedo=0.15 # Emissivity of bare ground emis=0.95 # Soil thermal inertia (SI) inertia=335 # Initial CO2 ice on the surface (kg.m-2) co2ice=0 ## ~~~~~~~~~~~~~ ## Wind profile ## ~~~~~~~~~~~~~ # Zonal eastward component of the geostrophic wind (m/s) u=10. # 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 # ichoice=2 Savidjari profile (as Seiff but with dT/dz=cte) # ichoice=3 Lindner (polar profile) # ichoice=4 inversion # 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=280 # 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. # Some definitions for the physics, in file 'callphys.def' INCLUDEDEF=callphys.def