Changes between Version 23 and Version 24 of doc/app/urban_surface_parameters
- Timestamp:
- Feb 24, 2021 5:15:41 PM (4 years ago)
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doc/app/urban_surface_parameters
v23 v24 4 4 [[NoteBox(note,This page is part of the **Urban Surface Mod** (USM) documentation. \\ It contains a listing of all PALM input parameters used to steer the USM. \\ Please also see the **[wiki:doc/tec/usm technical documentation]**., 450px)]] 5 5 6 Since r19xx an urban surface model (USM) is available in PALM. A brief description of the USM will follow here (see [wiki:doc/app/l smpar#LandSurfaceParameters LSM description] as an example). It consists of a multi layer wall and soil model, predicting wall and soil temperature and moisture content, and a solver for the energy balance, predicting the temperature of the surface or the skin layer. Urban surfaces (building surfaces) are simulated using a tile approach. Each surface element consists of a fraction of bare wall/ roof, window and green elements (green roofs/ facades) with underlying soil layers (green roofs only) and a bare wall/ roof structure.6 Since r19xx an urban surface model (USM) is available in PALM. A brief description of the USM will follow here (see [wiki:doc/app/land_surface_parameters#LandSurfaceParameters LSM description] as an example). It consists of a multi layer wall and soil model, predicting wall and soil temperature and moisture content, and a solver for the energy balance, predicting the temperature of the surface or the skin layer. Urban surfaces (building surfaces) are simulated using a tile approach. Each surface element consists of a fraction of bare wall/ roof, window and green elements (green roofs/ facades) with underlying soil layers (green roofs only) and a bare wall/ roof structure. 7 7 8 8 All parts of the USM code are modularized in module [/browser/palm/trunk/SOURCE/urban_surface_mod.f90 urban_surface_mod]. In this context, a new Fortran namelist {{{urban_surface_parameters}}} was added, containing all USM-related steering parameters. The USM is automatically activated when an {{{urban_surface_parameter}}} is set in the parameter file ({{{_p3d}}}).