IFS Documentation front page

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

Part IV: Physical processes

CHAPTER 2 Radiation

Table of contents

2.1 Radiative heating

2.2 Longwave radiation

2.2.1 The pre-cycle 22r3 scheme

2.2.2 Vertical integration

2.2.3 Spectral integration

2.2.4 The incorporation of the effects of clouds

2.2.5 The Rapid Radiation Transfer Model (RRTM)

2.3 Shortwave Radiation

2.3.1 Spectral integration

2.3.2 Vertical integration

2.3.3 Multiple reflections between layers

2.3.4 Cloud shortwave optical properties

2.4 Horizontal interpolation

2.5 Input to the radiation scheme

2.5.1 Model variables

2.5.2 Clouds

2.5.3 Aerosols

2.5.4 Carbon dioxide, ozone and trace gases

2.5.5 Ground albedo and emissivity

2.5.6 Solar zenith angle

2.6 The radiation code

2.6.1 Set-up routines

2.6.2 Main routines

2.6.3 Specialized routines

2.6.4 Heating rate computation