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IFS Documentation front page

I Observations
II Assimilation
III Dynamics
IV Physics
V Ensemble
VI Technical
VII Waves

   

APPENDIX A List of symbols

Planck function integrated over the half sphere with the factor invoving absorbed: in units of flux ()

fractional cloud cover

specific heat at constant pressure of moist air

specific heat at constant pressure of dry air

specific heat at constant pressure of water vapour

incident solar radiance in the direction

radiative flux

fractional scattering into the forward peak

acceleration of gravity

asymmetry factor for aerosol scattering

absorption coefficient

monchromatic radiance at wavenumber

magnification factor ()

ozone mixing ratio

scattering phase function

pressure

probability of a photon encountering an absorber amount between and

specific humidity

diffusivity factor ()

mean effective radius of cloud water droplets

reflectance

solar flux at the top of the atmosphere

transmittance

temperature

monchromatic transmission at wavenumber

absorber amount

surface albedo

cloud particle absorbtion coefficient

extinction coefficient

scattering coefficient

molecular absorption of gases

optical depth

cloud emissivity

wavenumber

single scattering albedo ()

scattering phase function

azimuth angle

zenith angle

direction of incident solar beam

angle between incident and scattered radiances


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