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# AIM physics package parameters: 
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# Physical constants 
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# P0 = reference pressure 
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# GG = gravity accel. 
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# RD = gas constant for dry air 
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# CP = specific heat at constant pressure 
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# ALHC = latent heat of condensation 
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# SBC = StefanBoltzmann constant 
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# Constants for forcing fields (namelist AIM_PAR_FOR): 
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# SOLC = Solar constant (area averaged) in W/m^2 
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# ALBSEA = Albedo over sea 
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# ALBICE = Albedo over sea ice (for ice fraction = 1) 
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# ALBSN = Albedo over snow (for snow depth > SDALB) 
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# SDALB = Snow depth corresponding to maximum albedo 
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# SWCAP = Soil wetness capacity 
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# SWWIL = Soil wetness at wilting point 
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&AIM_PAR_FOR 
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& 
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# Constants for surface fluxes (namelist AIM_PAR_SFL): 
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# FWIND0 = ratio of nearsfc wind to lowestlevel wind 
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# FTEMP0 = weight for nearsfc temperature extrapolation (01) : 
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# 1 : linear extrapolation from two lowest levels 
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# 0 : constant potential temperature ( = lowest level) 
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# FHUM0 = weight for nearsfc specific humidity extrapolation (01) : 
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# 1 : extrap. with constant relative hum. ( = lowest level) 
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# 0 : constant specific hum. ( = lowest level) 
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# CDL = drag coefficient for momentum over land 
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# CDS = drag coefficient for momentum over sea 
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# CHL = heat exchange coefficient over land 
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# CHS = heat exchange coefficient over sea 
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# VGUST = wind speed for subgridscale gusts 
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# SWMAX = Soil wetness (in mm) corresp. to potential evapotranspiration 
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&AIM_PAR_SFL 
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FWIND0 = 0.42, 
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FTEMP0 = 0., 
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CHL = 2.0e3, 
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CHS = 0.9e3, 
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VGUST = 4., 
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& 
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# Convection constants (namelist AIM_PAR_CNV): 
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# RHBL = relative hum. threshold in the boundary (lowest) layer 
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# TRCNV = time of relaxation (in hours) towards neutral equilibrium 
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# ENTMAX = max. entrainment as a fraction of cloudbase mass flux 
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&AIM_PAR_CNV 
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& 
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# Constants for largescale condendation (namelist AIM_PAR_LSC): 
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# RHLSC = Relative humidity threshold 
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# TRLSC = Relaxation time (in hours) for supersat. specific humidity 
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&AIM_PAR_LSC 
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& 
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# Radiation constants (namelist AIM_PAR_RAD): 
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# ABSSW = shortwave absorptivity for dry air (per dp = 10^5 Pa) 
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# ABSLW = longwave absorptivity for dry air (per dp = 10^5 Pa) 
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# ABWSW = shortwave absorptivity for water vapour (per dq = 1 g/kg) 
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# ABWLW = longwave absorptivity for water vapour (per dq = 1 g/kg) 
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# ABCSW = shortwave absorptivity for cloud fraction 
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# ABCLW = longwave absorptivity for cloud fraction 
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# EPSSW = fraction of incoming solar radiation absorbed by ozone 
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# EPSLW = fraction of surface LW radiation emitted directly to space 
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# ALBCL = cloud albedo (for cloud cover = 1) 
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# RHCL1 = relative hum. corresponding to cloud cover = 0 
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# RHCL2 = relative hum. corresponding to cloud cover = 1 
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# QACL = specific hum. threshold for cloud cover 
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&AIM_PAR_RAD 
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ABWLW = 0.60, 
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ALBCL = 0.34, 
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RHCL1 = 0.50, 
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RHCL2 = 0.90, 
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QACL = 0.50, 
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& 
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# Constants for vertical dif. and sh. conv. (namelist AIM_PAR_VDI): 
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# TRVDI = relaxation time (in hours) for moisture diffusion 
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# TRSHC = relaxation time (in hours) for shallow convection 
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&AIM_PAR_VDI 
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TRVDI = 48., 
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TRSHC = 12., 
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& 