Vegetation fraction (Heat Overlay): Difference between revisions

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The vegetation fraction is an attribute used by the [[Heat stress Overlay]], and indicates the amount of vegetation per square meter. The vegetation fraction can be determined based on the presence of multiple types of data:
The vegetation fraction is an attribute used by the [[Heat stress Overlay]], and indicates the amount of vegetation per square meter. The vegetation fraction can be determined based on the presence of multiple types of data:
* If a [[building]] is present with a [[Green space (Heat Overlay)|Green space]] function value, this value is used.
* If a [[building]] is present with a [[Building vegetation fraction (Heat Overlay)|vegetation fraction]] function value, this value is used.
* Otherwise, the present [[terrain]]'s [[Terrain vegetation fraction (Heat Overlay)|VEGETATION_FRACTION]] attribute is used.
* Otherwise, the present [[terrain]]'s [[Terrain vegetation fraction (Heat Overlay)|VEGETATION_FRACTION]] attribute is used.


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{{article end
{{article end
| notes=
| notes=
* The [[DPRA Heat stress report]] prescribes that during the way [[Water Terrain] is considered vegetation, but at night is not considered vegetation.
* The [[DPRA Heat stress report]] prescribes{{ref|DPRA-water-vegetation}} that during the way [[Water Terrain]] is considered vegetation, but at night is not considered vegetation.
| seealso=
| seealso=
* [[UHI formula (Heat Overlay)|UHI formula]]
* [[UHI formula (Heat Overlay)|UHI formula]]
* [[Foliage height calculation model (Heat Overlay)|Foliage Height calculation]]
* [[Foliage height calculation model (Heat Overlay)|Foliage Height calculation]]
|references=
<references>
{{ref|DPRA-water-vegetation
  |name=Ontwikkeling Standaard Stresstest Hitte
  |author=T. de Nijs et al.
  |page=page 92 of 121 in section B1.2.1 Luchttemperatuur en luchtvochtigheid
  |source=
  |link=https://www.rivm.nl/bibliotheek/rapporten/2019-0008.pdf
  |lastvisit=14-09-2023
}}
</references>
}}
}}


{{HeatOverlay model attribute nav}}
{{HeatOverlay model attribute nav}}

Latest revision as of 12:08, 22 September 2023

The vegetation fraction is an attribute used by the Heat stress Overlay, and indicates the amount of vegetation per square meter. The vegetation fraction can be determined based on the presence of multiple types of data:

The vegetation factor cannot be overwritten by Areas.

Notes

See also

References

  1. Ontwikkeling Standaard Stresstest Hitte ∙ T. de Nijs et al. ∙ Page(s): page 92 of 121 in section B1.2.1 Luchttemperatuur en luchtvochtigheid ∙ Found at: https://www.rivm.nl/bibliotheek/rapporten/2019-0008.pdf ∙ (last visited: 14-09-2023)