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Chapter 2. Radiation
IFS documentation Front Page
Chapter 1. Overview
Chapter 2. Radiation
Chapter 3. Turbulent diffusion and interactions with the surface
Chapter 4. Subgrid-scale orographic drag
Chapter 5. Convection
Chapter 6. Clouds and large-scale precipitation
Chapter 7. Land suface parametrization
Chapter 8. Methane oxidation
Chapter 9. Climatological data
REFERENCES
Previous Section
APPENDIX A List of symbols
Planck function integrated over the half sphere
with the factor invoving 
absorbed: in
unitsof 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 radiancesNext Section
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05.04.2002 |
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