Changes between Version 3 and Version 4 of doc/tec/rtm


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Timestamp:
Sep 29, 2021 9:29:45 AM (3 years ago)
Author:
pavelkrc
Comment:

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  • doc/tec/rtm

    v3 v4  
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    5 In PALM, the radiative interactions within urban canopy are solved by the separate Radiative transfer model (RTM, see [#krc2021 Krč et al., 2021]), which provides explicit 3-D modelling of multi-reflective radiative exchange among the sun, the sky, urban surfaces and resolved plant canopy. The RTM calculates radiative fluxes and surface net radiation including its components on the model geometry, which are then used to model the surface energy balance and evapotranspiration in the plant canopy. It also provides radiative inputs for the [wiki:doc/tec/biomet Biometeorology module (BIO)] and for photolysis in the [wiki:doc/tec/chem Chemistry model (CHEM)]. The RTM is coupled to the selected [wiki:doc/tec/radiation Radiation model], e.g. RRTMG, which provides radiation above the urban canopy as an input.
     5In PALM, the radiative interactions within the urban canopy layer or within complex terrain and plant canopy are solved by the separate Radiative transfer model (RTM, see [#krc2021 Krč et al., 2021]), which provides explicit 3-D modelling of multi-reflective radiative exchange among the sun, the sky, urban surfaces, complex terrain and resolved plant canopy. The RTM calculates radiative fluxes and surface net radiation including its components on the model geometry, which are then used to model the surface energy balance and evapotranspiration in the plant canopy. It also provides radiative inputs for the [wiki:doc/tec/biomet Biometeorology module (BIO)] and for photolysis in the [wiki:doc/tec/chem Chemistry model (CHEM)]. The RTM is coupled to the selected [wiki:doc/tec/radiation Radiation model], e.g. RRTMG, which provides radiation above the urban canopy as an input.
    66
    77The RTM version 1.0 ([#resler2017 Resler et al., 2017]) was created in order to provide an open-source, HPC-enabled, fully 3-D model of radiative interactions inside the urban canopy integrated into an urban climate model based on the large-eddy simulation (LES) method. The current version 4.1 of RTM provides substantial improvements by including a wider selection of simulated processes, new methods of discretization and improved algorithms as well as technical implementation for enhanced scalability and computational efficiency.