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# AIM physics package parameters: |
# AIM physics package parameters: |
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C-- AIM interface parameter (namelist AIM_PARAMS): |
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# aim_useFMsurfBC :: select surface B.C. from Franco Molteni |
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# aim_useMMsurfFc :: select Monthly Mean surface forcing (e.g., NCEP) |
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# aim_surfPotTemp :: surf.Temp input file is in Pot.Temp (aim_useMMsurfFc) |
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# aim_MMsufx :: sufix for all Monthly Mean surface forcing files |
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# aim_MMsufxLength :: Length of sufix (Monthly Mean surf. forc. files) |
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# aim_LandFile :: file name for Land fraction (F.M. surfBC) |
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# aim_albFile :: file name for Albedo input file (F.M. surfBC) |
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# aim_vegFile :: file name for vegetation fraction (F.M. surfBC) |
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# aim_sstFile :: file name for Sea.Surf.Temp (F.M. surfBC) |
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# aim_lstFile :: file name for Land.Surf.Temp (F.M. surfBC) |
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# aim_oiceFile :: file name for Sea Ice fraction (F.M. surfBC) |
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# aim_snowFile :: file name for Snow depth (F.M. surfBC) |
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# aim_swcFile :: file name for Soil Water content (F.M. surfBC) |
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# aim_dragStrato :: stratospheric-drag damping time scale (s) |
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# aim_diagFreq :: Frequency^-1 for diagnostic output (s) |
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# aim_tendFreq :: Frequency^-1 for tendencies output (s) |
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&AIM_PARAMS |
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aim_useFMsurfBC=.FALSE., |
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aim_useMMsurfFc=.FALSE., |
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# aim_dragStrato= 2592000., |
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#-- Physical constants |
#-- Physical constants |
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# P0 = reference pressure |
# P0 = reference pressure |
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# GG = gravity accel. |
# GG = gravity accel. |
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# ALBSEA = Albedo over sea |
# ALBSEA = Albedo over sea |
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# ALBICE = Albedo over sea ice (for ice fraction = 1) |
# ALBICE = Albedo over sea ice (for ice fraction = 1) |
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# ALBSN = Albedo over snow (for snow depth > SDALB) |
# ALBSN = Albedo over snow (for snow depth > SDALB) |
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# SDALB = Snow depth corresponding to maximum albedo |
# SDALB = Snow depth (mm water) corresponding to maximum albedo |
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# SWCAP = Soil wetness capacity |
# SWCAP = Soil wetness at field capacity (volume fraction) |
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# SWWIL = Soil wetness at wilting point |
# SWWIL = Soil wetness at wilting point (volume fraction) |
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&AIM_PAR_FOR |
&AIM_PAR_FOR |
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& |
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# CHL = heat exchange coefficient over land |
# CHL = heat exchange coefficient over land |
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# CHS = heat exchange coefficient over sea |
# CHS = heat exchange coefficient over sea |
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# VGUST = wind speed for sub-grid-scale gusts |
# VGUST = wind speed for sub-grid-scale gusts |
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# SWMAX = Soil wetness (in mm) corresp. to potential evapotranspiration |
# CTDAY = daily-cycle correction (dTskin/dSSRad) |
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# DTHETA = Potential temp. gradient for stability correction |
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# FSTAB = Amplitude of stability correction (fraction) |
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# HDRAG = Height scale for orographic correction |
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# FHDRAG = Amplitude of orographic correction (fraction) |
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&AIM_PAR_SFL |
&AIM_PAR_SFL |
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FWIND0 = 0.42, |
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FTEMP0 = 0., |
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CHL = 2.0e-3, |
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CHS = 0.9e-3, |
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VGUST = 4., |
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#-- Convection constants (namelist AIM_PAR_CNV): |
#-- Convection constants (namelist AIM_PAR_CNV): |
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# RHBL = relative hum. threshold in the boundary (lowest) layer |
# PSMIN = minimum (norm.) sfc. pressure for the occurrence of convection |
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# TRCNV = time of relaxation (in hours) towards neutral equilibrium |
# TRCNV = time of relaxation (in hours) towards reference state |
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# QBL = specific hum. threshold in the boundary layer |
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# RHBL = relative hum. threshold in the boundary layer |
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# RHIL = rel. hum. threshold in intermed. layers for secondary mass flux |
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# ENTMAX = max. entrainment as a fraction of cloud-base mass flux |
# ENTMAX = max. entrainment as a fraction of cloud-base mass flux |
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# SMF = ratio between secondary and primary mass flux at cloud-base |
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&AIM_PAR_CNV |
&AIM_PAR_CNV |
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#-- Constants for large-scale condendation (namelist AIM_PAR_LSC): |
#-- Constants for large-scale condendation (namelist AIM_PAR_LSC): |
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# RHLSC = Relative humidity threshold |
# TRLSC = Relaxation time (in hours) for specific humidity |
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# TRLSC = Relaxation time (in hours) for supersat. specific humidity |
# RHLSC = Maximum relative humidity threshold (at sigma=1) |
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# DRHLSC = Vertical range of relative humidity threshold |
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# QSMAX = used to define the maximum latent heat release |
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&AIM_PAR_LSC |
&AIM_PAR_LSC |
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#-- Radiation constants (namelist AIM_PAR_RAD): |
#-- 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 |
# RHCL1 = relative hum. corresponding to cloud cover = 0 |
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# RHCL2 = relative hum. corresponding to cloud cover = 1 |
# RHCL2 = relative hum. corresponding to cloud cover = 1 |
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# QACL = specific hum. threshold for cloud cover |
# QACL1 = specific hum. threshold for cloud cover in the upper troposphere |
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# QACL2 = specific hum. threshold for cloud cover in the upper troposphere |
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# ALBCL = cloud albedo (for cloud cover = 1) |
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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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# EMISFC = longwave surface emissivity |
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#--: shortwave absorptivities (for dp = 10^5 Pa) : |
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# ABSDRY = abs. of dry air (visible band) |
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# ABSAER = abs. of aerosols (visible band) |
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# ABSWV1 = abs. of water vapour (visible band, for dq = 1 g/kg) |
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# ABSWV2 = abs. of water vapour (near IR band, for dq = 1 g/kg) |
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# ABSCL1 = abs. of clouds (visible band, constant term) |
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# ABSCL2 = abs. of clouds (visible band, for dw = 1 g/kg) |
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#--: longwave absorptivities (per dp = 10^5 Pa) : |
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# ABLWIN = abs. of air in "window" band |
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# ABLCO2 = abs. of air in CO2 band |
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# ABLWV1 = abs. of water vapour in H2O band 1 (weak), for dq = 1 g/kg |
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# ABLWV2 = abs. of water vapour in H2O band 2 (strong), for dq = 1 g/kg |
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# ABLCL1 = abs. of clouds in "window" band, constant term |
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# ABLCL2 = abs. of clouds in "window" band, for dw = 1 g/kg |
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&AIM_PAR_RAD |
&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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#-- Constants for vertical dif. and sh. conv. (namelist AIM_PAR_VDI): |
#-- 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 |
# TRSHC = relaxation time (in hours) for shallow convection |
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# TRVDI = relaxation time (in hours) for moisture diffusion |
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# TRVDS = relaxation time (in hours) for super-adiab. conditions |
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# RHGRAD = maximum gradient of relative humidity (d_RH/d_sigma) |
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# SEGRAD = minimum gradient of dry static energy (d_DSE/d_phi) |
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&AIM_PAR_VDI |
&AIM_PAR_VDI |
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TRVDI = 48., |
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TRSHC = 12., |
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