--- MITgcm/verification/aim.5l_cs/input/data.aimphys 2002/10/09 01:05:03 1.1 +++ MITgcm/verification/aim.5l_cs/input/data.aimphys 2002/11/22 17:42:24 1.2 @@ -13,9 +13,9 @@ # ALBSEA = Albedo over sea # ALBICE = Albedo over sea ice (for ice fraction = 1) # ALBSN = Albedo over snow (for snow depth > SDALB) -# SDALB = Snow depth corresponding to maximum albedo -# SWCAP = Soil wetness capacity -# SWWIL = Soil wetness at wilting point +# SDALB = Snow depth (mm water) corresponding to maximum albedo +# SWCAP = Soil wetness at field capacity (volume fraction) +# SWWIL = Soil wetness at wilting point (volume fraction) &AIM_PAR_FOR & @@ -32,54 +32,65 @@ # CHL = heat exchange coefficient over land # CHS = heat exchange coefficient over sea # VGUST = wind speed for sub-grid-scale gusts -# SWMAX = Soil wetness (in mm) corresp. to potential evapotranspiration +# CTDAY = daily-cycle correction (dTskin/dSSRad) +# DTHETA = Potential temp. gradient for stability correction +# FSTAB = Amplitude of stability correction (fraction) +# HDRAG = Height scale for orographic correction +# FHDRAG = Amplitude of orographic correction (fraction) &AIM_PAR_SFL - FWIND0 = 0.42, - FTEMP0 = 0., - CHL = 2.0e-3, - CHS = 0.9e-3, - VGUST = 4., & #-- Convection constants (namelist AIM_PAR_CNV): -# RHBL = relative hum. threshold in the boundary (lowest) layer -# TRCNV = time of relaxation (in hours) towards neutral equilibrium +# PSMIN = minimum (norm.) sfc. pressure for the occurrence of convection +# TRCNV = time of relaxation (in hours) towards reference state +# QBL = specific hum. threshold in the boundary layer +# RHBL = relative hum. threshold in the boundary layer +# RHIL = rel. hum. threshold in intermed. layers for secondary mass flux # ENTMAX = max. entrainment as a fraction of cloud-base mass flux +# SMF = ratio between secondary and primary mass flux at cloud-base &AIM_PAR_CNV & #-- Constants for large-scale condendation (namelist AIM_PAR_LSC): -# RHLSC = Relative humidity threshold -# TRLSC = Relaxation time (in hours) for supersat. specific humidity +# TRLSC = Relaxation time (in hours) for specific humidity +# RHLSC = Maximum relative humidity threshold (at sigma=1) +# DRHLSC = Vertical range of relative humidity threshold +# QSMAX = used to define the maximum latent heat release &AIM_PAR_LSC & #-- Radiation constants (namelist AIM_PAR_RAD): -# ABSSW = shortwave absorptivity for dry air (per dp = 10^5 Pa) -# ABSLW = longwave absorptivity for dry air (per dp = 10^5 Pa) -# ABWSW = shortwave absorptivity for water vapour (per dq = 1 g/kg) -# ABWLW = longwave absorptivity for water vapour (per dq = 1 g/kg) -# ABCSW = shortwave absorptivity for cloud fraction -# ABCLW = longwave absorptivity for cloud fraction -# EPSSW = fraction of incoming solar radiation absorbed by ozone -# EPSLW = fraction of surface LW radiation emitted directly to space -# ALBCL = cloud albedo (for cloud cover = 1) # RHCL1 = relative hum. corresponding to cloud cover = 0 # RHCL2 = relative hum. corresponding to cloud cover = 1 -# QACL = specific hum. threshold for cloud cover +# QACL1 = specific hum. threshold for cloud cover in the upper troposphere +# QACL2 = specific hum. threshold for cloud cover in the upper troposphere +# ALBCL = cloud albedo (for cloud cover = 1) +# EPSSW = fraction of incoming solar radiation absorbed by ozone +# EPSLW = fraction of surface LW radiation emitted directly to space +# EMISFC = longwave surface emissivity +#--: shortwave absorptivities (for dp = 10^5 Pa) : +# ABSDRY = abs. of dry air (visible band) +# ABSAER = abs. of aerosols (visible band) +# ABSWV1 = abs. of water vapour (visible band, for dq = 1 g/kg) +# ABSWV2 = abs. of water vapour (near IR band, for dq = 1 g/kg) +# ABSCL1 = abs. of clouds (visible band, constant term) +# ABSCL2 = abs. of clouds (visible band, for dw = 1 g/kg) +#--: longwave absorptivities (per dp = 10^5 Pa) : +# ABLWIN = abs. of air in "window" band +# ABLCO2 = abs. of air in CO2 band +# ABLWV1 = abs. of water vapour in H2O band 1 (weak), for dq = 1 g/kg +# ABLWV2 = abs. of water vapour in H2O band 2 (strong), for dq = 1 g/kg +# ABLCL1 = abs. of clouds in "window" band, constant term +# ABLCL2 = abs. of clouds in "window" band, for dw = 1 g/kg &AIM_PAR_RAD - ABWLW = 0.60, - ALBCL = 0.34, - RHCL1 = 0.50, - RHCL2 = 0.90, - QACL = 0.50, & #-- Constants for vertical dif. and sh. conv. (namelist AIM_PAR_VDI): -# TRVDI = relaxation time (in hours) for moisture diffusion # TRSHC = relaxation time (in hours) for shallow convection +# TRVDI = relaxation time (in hours) for moisture diffusion +# TRVDS = relaxation time (in hours) for super-adiab. conditions +# RHGRAD = maximum gradient of relative humidity (d_RH/d_sigma) +# SEGRAD = minimum gradient of dry static energy (d_DSE/d_phi) &AIM_PAR_VDI - TRVDI = 48., - TRSHC = 12., &