bigleaf_constants(;...)

Constants Used in the Bigleaf.jl Package

Return a Dictionary Dict{Symbol, Real}. Default values can be overridden by the named arguments:

• cp Specific heat of air for constant pressure (J K-1 kg-1)
• Rgas Universal gas constant (J mol-1 K-1)
• Rv Gas constant of water vapor (J kg-1 K-1) (Stull 1988 p.641)
• Rd Gas constant of dry air (J kg-1 K-1) (Foken p. 245)
• Md Molar mass of dry air (kg mol-1)
• Mw Molar mass of water vapor (kg mol-1)
• eps Ratio of the molecular weight of water vapor to dry air (=Mw/Md)
• g Gravitational acceleration (m s-2)
• solar_constant Solar constant (W m-2)
• pressure0 Reference atmospheric pressure at sea level (Pa)
• Tair0 Reference air temperature (K)
• k von Karman constant
• Cmol Molar mass of carbon (kg mol-1)
• Omol Molar mass of oxygen (kg mol-1)
• H2Omol Molar mass of water (kg mol-1)
• sigma Stefan-Boltzmann constant (W m-2 K-4)
• Pr Prandtl number
• Sc_CO2 Schmidt number for CO2
• Kelvin Conversion degree Celsius to Kelvin
• DwDc Ratio of the molecular diffusivities for water vapor and CO2
• days2seconds Seconds per day
• kPa2Pa Conversion kilopascal (kPa) to pascal (Pa)
• Pa2kPa Conversion pascal (Pa) to kilopascal (kPa)
• umol2mol Conversion micromole (umol) to mole (mol)
• mol2umol Conversion mole (mol) to micromole (umol)
• kg2g Conversion kilogram (kg) to gram (g)
• g2kg Conversion gram (g) to kilogram (kg)
• kJ2J Conversion kilojoule (kJ) to joule (J)
• J2kJ Conversion joule (J) to kilojoule (kJ)
• se_median Conversion standard error (SE) of the mean to SE of the median
• frac2percent Conversion between fraction and percent