| 1 |
# AIM physics package parameters: |
| 2 |
|
| 3 |
C-- AIM interface parameter (namelist AIM_PARAMS): |
| 4 |
# aim_useFMsurfBC :: select surface B.C. from Franco Molteni |
| 5 |
# aim_useMMsurfFc :: select Monthly Mean surface forcing (e.g., NCEP) |
| 6 |
# aim_surfPotTemp :: surf.Temp input file is in Pot.Temp (aim_useMMsurfFc) |
| 7 |
# aim_energPrecip :: account for energy of precipitation (snow & rain temp) |
| 8 |
# aim_splitSIOsFx :: compute separately Sea-Ice & Ocean surf. Flux |
| 9 |
# aim_LandFile :: file name for Land fraction [0-1] |
| 10 |
# aim_MMsufx :: sufix for all Monthly Mean surface forcing files |
| 11 |
# aim_MMsufxLength :: Length of sufix (Monthly Mean surf. forc. files) |
| 12 |
# aim_albFile :: file name for Albedo input file (F.M. surfBC) |
| 13 |
# aim_vegFile :: file name for vegetation fraction (F.M. surfBC) |
| 14 |
# aim_sstFile :: file name for Sea.Surf.Temp (F.M. surfBC) |
| 15 |
# aim_lstFile :: file name for Land.Surf.Temp (F.M. surfBC) |
| 16 |
# aim_oiceFile :: file name for Sea Ice fraction (F.M. surfBC) |
| 17 |
# aim_snowFile :: file name for Snow depth (F.M. surfBC) |
| 18 |
# aim_swcFile :: file name for Soil Water content (F.M. surfBC) |
| 19 |
# aim_dragStrato :: stratospheric-drag damping time scale (s) |
| 20 |
# aim_clrSkyDiag :: compute clear-sky radiation for diagnostics |
| 21 |
# aim_taveFreq :: Frequency^-1 for time-average output (s) |
| 22 |
# aim_diagFreq :: Frequency^-1 for diagnostic output (s) |
| 23 |
# aim_tendFreq :: Frequency^-1 for tendencies output (s) |
| 24 |
&AIM_PARAMS |
| 25 |
aim_useFMsurfBC=.FALSE., |
| 26 |
aim_useMMsurfFc=.TRUE., |
| 27 |
aim_surfPotTemp=.TRUE., |
| 28 |
aim_LandFile= 'landFrc.fullCell.bin', |
| 29 |
aim_MMsufx = '.ft.bin', |
| 30 |
aim_MMsufxLength = 7, |
| 31 |
& |
| 32 |
|
| 33 |
#-- Physical constants |
| 34 |
# P0 = reference pressure [Pa=N/m2] |
| 35 |
# GG = gravity accel. [m/s2] |
| 36 |
# RD = gas constant for dry air [J/kg/K] |
| 37 |
# CP = specific heat at constant pressure [J/kg/K] |
| 38 |
# ALHC = latent heat of condensation [J/g] |
| 39 |
# ALHF = latent heat of freezing [J/g] |
| 40 |
# SBC = Stefan-Boltzmann constant |
| 41 |
# rainCP = heat capacity of liquid water [J/g/K] |
| 42 |
# tFreeze = freezing temperature of pure water [K] |
| 43 |
|
| 44 |
#-- Constants for forcing fields (namelist AIM_PAR_FOR): |
| 45 |
# SOLC = Solar constant (area averaged) in W/m^2 |
| 46 |
# ALBSEA = Albedo over sea |
| 47 |
# ALBICE = Albedo over sea ice (for ice fraction = 1) |
| 48 |
# ALBSN = Albedo over snow (for snow depth > SDALB) |
| 49 |
# SDALB = Snow depth (mm water) corresponding to maximum albedo |
| 50 |
# SWCAP = Soil wetness at field capacity (volume fraction) |
| 51 |
# SWWIL = Soil wetness at wilting point (volume fraction) |
| 52 |
# hSnowWetness :: snow depth (m) corresponding to maximum wetness |
| 53 |
&AIM_PAR_FOR |
| 54 |
& |
| 55 |
|
| 56 |
#-- Constants for surface fluxes (namelist AIM_PAR_SFL): |
| 57 |
# FWIND0 = ratio of near-sfc wind to lowest-level wind |
| 58 |
# FTEMP0 = weight for near-sfc temperature extrapolation (0-1) : |
| 59 |
# 1 : linear extrapolation from two lowest levels |
| 60 |
# 0 : constant potential temperature ( = lowest level) |
| 61 |
# FHUM0 = weight for near-sfc specific humidity extrapolation (0-1) : |
| 62 |
# 1 : extrap. with constant relative hum. ( = lowest level) |
| 63 |
# 0 : constant specific hum. ( = lowest level) |
| 64 |
# CDL = drag coefficient for momentum over land |
| 65 |
# CDS = drag coefficient for momentum over sea |
| 66 |
# CHL = heat exchange coefficient over land |
| 67 |
# CHS = heat exchange coefficient over sea |
| 68 |
# VGUST = wind speed for sub-grid-scale gusts |
| 69 |
# CTDAY = daily-cycle correction (dTskin/dSSRad) |
| 70 |
# DTHETA = Potential temp. gradient for stability correction |
| 71 |
# dTstab = potential temp. increment for stability function derivative |
| 72 |
# FSTAB = Amplitude of stability correction (fraction) |
| 73 |
# HDRAG = Height scale for orographic correction |
| 74 |
# FHDRAG = Amplitude of orographic correction (fraction) |
| 75 |
&AIM_PAR_SFL |
| 76 |
& |
| 77 |
|
| 78 |
#-- Convection constants (namelist AIM_PAR_CNV): |
| 79 |
# PSMIN = minimum (norm.) sfc. pressure for the occurrence of convection |
| 80 |
# TRCNV = time of relaxation (in hours) towards reference state |
| 81 |
# QBL = specific hum. threshold in the boundary layer |
| 82 |
# RHBL = relative hum. threshold in the boundary layer |
| 83 |
# RHIL = rel. hum. threshold in intermed. layers for secondary mass flux |
| 84 |
# ENTMAX = max. entrainment as a fraction of cloud-base mass flux |
| 85 |
# SMF = ratio between secondary and primary mass flux at cloud-base |
| 86 |
&AIM_PAR_CNV |
| 87 |
& |
| 88 |
|
| 89 |
#-- Constants for large-scale condensation (namelist AIM_PAR_LSC): |
| 90 |
# TRLSC = Relaxation time (in hours) for specific humidity |
| 91 |
# RHLSC = Maximum relative humidity threshold (at sigma=1) |
| 92 |
# DRHLSC = Vertical range of relative humidity threshold |
| 93 |
# QSMAX = used to define the maximum latent heat release |
| 94 |
&AIM_PAR_LSC |
| 95 |
& |
| 96 |
|
| 97 |
#-- Radiation constants (namelist AIM_PAR_RAD): |
| 98 |
# RHCL1 = relative hum. corresponding to cloud cover = 0 |
| 99 |
# RHCL2 = relative hum. corresponding to cloud cover = 1 |
| 100 |
# QACL1 = specific hum. threshold for cloud cover in the upper troposphere |
| 101 |
# QACL2 = specific hum. threshold for cloud cover in the upper troposphere |
| 102 |
# ALBCL = cloud albedo (for cloud cover = 1) |
| 103 |
# EPSSW = fraction of incoming solar radiation absorbed by ozone |
| 104 |
# EPSLW = fraction of surface LW radiation emitted directly to space |
| 105 |
# EMISFC = longwave surface emissivity |
| 106 |
#--: shortwave absorptivities (for dp = 10^5 Pa) : |
| 107 |
# ABSDRY = abs. of dry air (visible band) |
| 108 |
# ABSAER = abs. of aerosols (visible band) |
| 109 |
# ABSWV1 = abs. of water vapour (visible band, for dq = 1 g/kg) |
| 110 |
# ABSWV2 = abs. of water vapour (near IR band, for dq = 1 g/kg) |
| 111 |
# ABSCL1 = abs. of clouds (visible band, constant term) |
| 112 |
# ABSCL2 = abs. of clouds (visible band, for dw = 1 g/kg) |
| 113 |
#--: longwave absorptivities (per dp = 10^5 Pa) : |
| 114 |
# ABLWIN = abs. of air in "window" band |
| 115 |
# ABLCO2 = abs. of air in CO2 band |
| 116 |
# ABLWV1 = abs. of water vapour in H2O band 1 (weak), for dq = 1 g/kg |
| 117 |
# ABLWV2 = abs. of water vapour in H2O band 2 (strong), for dq = 1 g/kg |
| 118 |
# ABLCL1 = abs. of clouds in "window" band, constant term |
| 119 |
# ABLCL2 = abs. of clouds in "window" band, for dw = 1 g/kg |
| 120 |
&AIM_PAR_RAD |
| 121 |
& |
| 122 |
|
| 123 |
#-- Constants for vertical dif. and sh. conv. (namelist AIM_PAR_VDI): |
| 124 |
# TRSHC = relaxation time (in hours) for shallow convection |
| 125 |
# TRVDI = relaxation time (in hours) for moisture diffusion |
| 126 |
# TRVDS = relaxation time (in hours) for super-adiab. conditions |
| 127 |
# RHGRAD = maximum gradient of relative humidity (d_RH/d_sigma) |
| 128 |
# SEGRAD = minimum gradient of dry static energy (d_DSE/d_phi) |
| 129 |
&AIM_PAR_VDI |
| 130 |
& |
Parent Directory
| 
Revision Log
| 
Revision Graph