Average calculation model (Heat Overlay): Difference between revisions
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Revision as of 10:49, 17 December 2019
The wind speed and direction, measured at a weather station, are used to determine the window for averaging. If the wind speed is:
- < 1.5 meter per second, the window is cell centered: 700x700 meters;
- >= 1.5 meter per second, the window is 1100 x 500 meters, centered at 1000 x 250 x 100 x 250, where the long edge 1000 is opposite of the wind direction.
The following parameters are averaged by this window:
- Vegetation fraction, based on the fraction green/vegetation present in Buildings and Terrains;
- Sky view factor, calculated by the Sky view factor calculation model;
See also