General options
~~~~~~~~~~~~~~~
tracer    (Run with or without tracer transport ?)
T
diurnal   (Diurnal cycle ?  if diurnal=F, diurnal averaged solar heating)
T
season    (Seasonal cycle ? if season=F, Ls stays constant like in "start")
T
lwrite    (want some more output on the screen ?) 
F
stats     (Saving statistics in file "stats" ?)
F
calleofdump (Saving EOF profiles in file "profiles" for Climate Database ?)
F
Dust scenario. Used if the dust is prescribed (i.e. if tracer=F or active=F)
~~~~~~~~~~~~~
iaervar  (=1 Dust opt.deph read in startfi; =2 Viking scenario; =3 MGS scenario)
4        (=4 Mars Year 24 from TES assimilation) 
iddist  (Dust vertical distribution: =0: old distrib. (Pollack90) 
3       (=1: top set by "topdustref"; =2: Viking scenario; =3 MGS scenario )
topdustref (Dust top altitude (km). Matter only if iddist=1)
55.
Physical Parameterizations :
~~~~~~~~~~~~~~~~~~~~~~~~~~
callrad   (call radiative transfer ?)
T
callnlte (call NLTE radiative schemes ?   matter only if callrad=T)
T
callnirco2 (call CO2 NIR absorption ?   matter only if callrad=T)
T
calldifv  (call turbulent vertical diffusion ?)
T
calladj   (call convective adjustment ?)
T
callcond  (call CO2 condensation ?)
T
callsoil  (call thermal conduction in the soil ?)
T
calllott  (call Lott's gravity wave/subgrid topography scheme ?)
T
Radiative transfer options :
~~~~~~~~~~~~~~~~~~~~~~~~~~
iradia    (the rad.transfer is computed every "iradia" physical timestep)
1
callg2d   (Output of the exchange coefficient mattrix ? for diagnostic only)
F
rayleigh  (Rayleigh scattering : should be =F for now)
F
Tracer (dust water, ice and/or chemical species) options (use if tracer=T) :
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dustbin    (DUST: Transported dust ? (if >0, uses q(1) to q(dustbin))
0
active     (DUST: Radiatively active dust ? (uses q(1) to q(dustbin))
F
doubleq    (DUST: needs dustbin=1, use mass (q(1)) and number (q(2)) mixing ratio to predict dust size ?)
F
lifting    (DUST: lifted by GCM surface winds ?)
F
dustdevil  (DUST: lifted by dust devils ?)
F
scavenging (DUST: Scavenging by CO2 snowfall ?)
F
sedimentation (DUST/WATERICE: Gravitationnal sedimentation ?)
T              (set to T to simulate water cycle with clouds)                
iceparty   (WATERICE: includes water ice: q(nqmx-1)). "water" must be T !
T
activice   (WATERICE: Radiatively active transported atmospheric water ice ?)
F
water      (WATER: Compute water cycle using q(nqmx) )
T
caps       (WATER: current permanent caps at both poles. T IS RECOMMENDED
T          (caps=T means Ncap is a source of water, S pole is a cold trap)
photochem  (PHOTOCHEMISTRY: chemical species included)
F
Thermospheric options (relevant if tracer=T) :
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
callthermos  (call thermosphere ?)
F
thermoswater  (WATER: included without cycle	only if water=F)
F
callconduct  (call thermal conduction ?     matter only if callthermos=T)
F
calleuv  (call EUV heating ?                matter only if callthermos=T)
F
callmolvis  (call molecular viscosity ?     matter only if callthermos=T)
F
callmoldiff  (call molecular diffusion ?    matter only if callthermos=T)
F
thermochem  (call thermospheric photochemistry ?  matter only if callthermos=T)
F
solarcondate (date for solar flux calculation: 1985 < date < 2002))
1993.4       (Solar min=1996.4 ave=1993.4 max=1990.6)