gphy_qual_tab updated=20051007 uc=2 tc=2,3 lc=0 bc=4:2
Class|Qualifier|Standard Units|Notes
gphy|pressure|Pa| 
gphy|partial pressure|Pa|Partial pressure of a gaseous ingredient.
gphy|saturation vapor pressure|Pa|Over water? Over ice?
gphy|relative humidity|1|Ratio of the actual water vapor pressure to the saturation vapor pressure (Pa Pa-1).
gphy|temperature|K| 
gphy|dew-point temperature|K| 
gphy|dew-point depression|K|Difference between temperature and dew-point temperature.
gphy|frost-point temperature|K| 
gphy|virtual temperature|K| 
gphy|potential temperature|K| 
gphy|brightness temperature|K|Radiant energy intensity of a particular wave band, expressed as temperature.
gphy|lunar azimuth angle|deg|Reckoned clockwise from true north.
gphy|lunar zenith angle|deg| 
gphy|solar azimuth angle|deg|Reckoned clockwise from true north.
gphy|solar zenith angle|deg| 
gphy|wind direction|deg|Direction from which the horizontal wind blows, reckoned clockwise from true north.
gphy|wind speed|m s-1|Magnitude of horizontal wind component.
gphy|eastward wind|m s-1|Magnitude of east-west wind component; positive toward east.
gphy|northward wind|m s-1|Magnitude of north-south wind component; positive toward north.
gphy|vertical wind|m s-1|Magnitude of vertical wind component; positive upward.
gphy|dp/dt|Pa s-1|Vertical velocity in pressure coordinates.
gphy|potential vorticity|K m2 kg-1 s-1| 
gphy|mass density|kg m-3|Mass of an ingredient per unit volume of that ingredient.
gphy|mass concentration|kg m-3|Mass of a substance per unit volume of the mixture.
gphy|column mass|kg m-2|Mass concentration integrated over a line of sight. Zenith? Nadir? Slant?
gphy|number concentration|m-3|The number of particles or molecules of a substance per unit volume of the mixture.
gphy|column number|m-2|Number concentration integrated over a line of sight. Zenith? Nadir? Slant?
gphy|surface area concentration|m-1|Total particle surface area of a substance per unit volume of the mixture (m2 m-3).
gphy|volume concentration|1|Total particle volume of a substance per unit volume of the mixture (m3 m-3).
gphy|mass mixing ratio|1|Ratio of the mass concentration of an ingredient to the mass concentration of all other ingredients in the mixture.
gphy|mass fraction|1|Ratio of the mass concentration of a substance to the mass concentration of the mixture. Synonym for specific humidity if the substance is water vapor and the mixture is air.
gphy|aerosol mass fraction|1|Ratio of the mass concentration of a substance to the mass concentration of all aerosols.
gphy|aerosol number fraction|1|Ratio of the number concentration of a substance to the number concentration of all aerosols.
gphy|volume mixing ratio|1|Ratio of the number of moles of an ingredient to the total number of moles of all other ingredients of the mixture (mol mol-1).
gphy|mole fraction|1|Ratio of the number of moles of a substance to the total number of moles in the mixture (mol mol-1).
gphy|specific number|kg-1|The number of particles or molecules of a substance per unit mass of the mixture.
gphy|diameter|m| 
gphy|wavelength|m| 
gphy|extinction coefficient|m-1|The fraction of radiant energy depleted per unit optical thickness of a substance; for a particular wave band.
gphy|reflectivity|1|Ratio of reflected to incident radiation, at a particular wave band. A synonym for albedo.
gphy|optical depth|1|Extinction coefficient integrated over a line of sight. Zenith? Nadir? Slant?
gphy|backscattering ratio|1| 
gphy|depolarization ratio|1|Ratio of perpendicular backscatter intensity to parallel backscatter intensity, with respect to the transmitter polarization axis.
gphy|downwelling intensity|W m-2|Downwelling radiant energy flux, for a particular wave band.
gphy|upwelling intensity|W m-2|Upwelling radiant energy flux, for a particular wave band.