Changes between Version 33 and Version 34 of doc/app/radiation_parameters


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Timestamp:
Oct 25, 2018 12:42:33 PM (6 years ago)
Author:
resler
Comment:

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  • doc/app/radiation_parameters

    v33 v34  
    66* Simple clear sky
    77* RRTMG
    8 In addition to these radiation models, a Radiative Transfer Model (RTM) is implemented in PALM to describe the radiative transfer processes within the urban canopy layer, including multiple reflections between buildings and other surfaces located in the domain. The model treats direct and diffuse radiation separately.
     8In addition to these radiation models, a Radiative Transfer Model (RTM) is implemented in PALM to describe the radiative transfer processes within the urban canopy layer, including multiple reflections between buildings and other surfaces located in the domain and interactions with resolved plant canopy.
    99
    1010Current RTM version 3.0 involves the following processes
     
    1414* Absorption of shortwave radiation by resolved plant canopy (trees) which are treated as semitransparent medium.
    1515* Absorption and emission of longwave radiation by resolved plant canopy (trees) which are treated as semitransparent medium.
     16* Plant canopy LW and SW radiative exchange (used as an input for calculation of plant canopy transpiration and latent heat).
     17
    1618
    1719All parts of the radiation code (and the interface of the radiation code) are modularized in module radiation_model_mod. In this context, a new Fortran NAMELIST radiation_parameters was added, containing all radiation-related steering parameters. The radiation module is automatically activated if a radiation_parameters is set in the parameter file (_p3d).