Foliage height prequel (Heat Stress Overlay): Difference between revisions

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{{Overlay prequels|overlay=Heat|allowselflinks=true|
{{Overlay prequels|overlay=Heat Stress|allowselflinks=true|
<onlyinclude>{{Overlay prequels|type=row|overlay=Heat
<onlyinclude>{{Overlay prequels|type=row|overlay=Heat Stress
   |prequel=FOLIAGE_HEIGHT
   |prequel=FOLIAGE_HEIGHT
   |name=Foliage height
   |name=Foliage height
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}}</onlyinclude>
}}</onlyinclude>
}}
}}


{{article end
{{article end
|notes=* The values in this prequel grid are clamped between 0 and the maximum float value. No data values are not allowed, although negative no data values will result in a foliage height of 0.
|notes=* {{HeatStressOverlay warning foliage wind}}
* The foliage height is a relative height value in meters. Not the datum height.  
* The values in this prequel grid are clamped between 0m and 100m. {{nodata}} values are not allowed, although negative values will result in a foliage height of 0.
* The foliage height is a relative height value in meters. Not the [[datum]] height.  
|seealso=
* [[Foliage crown factor (Heat Stress Overlay)]]
* [[Foliage areas (Heat Stress Overlay)]]
* [[Foliage result type (Heat Stress Overlay)]]
|api=* [[Api session event editor overlay set prequel]]
}}
}}


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

Latest revision as of 08:08, 14 July 2026

Name Prequel Underlying data Unit Range No data Description
Foliage height FOLIAGE_HEIGHT Heat Stress Prequel m 0 to 100 Clamped to range Used for initializing the relative foliage heights.



Notes

  • Warning: The wind factor reduction is very susceptible to variation in foliage heights, leading to significantly higher PET values in forested areas. It is advised that this prequel is smoothed with an average setup with the max method for rasterization.
  • The values in this prequel grid are clamped between 0m and 100m. NO_DATA values are not allowed, although negative values will result in a foliage height of 0.
  • The foliage height is a relative height value in meters. Not the datum height.

See also

API Endpoints


Heat Stress Module
Heat Stress Module
Tutorials
Overview
Theory
Benchmarks
Group
Model attributes
Daily average radiation • Daily average wind speed • Daily maximum temperature • Daily minimum temperature • Dates • Exclude buildings • Exclude water • Exclude foliage height m • Foliage areas • Hourly humidity • Hourly radiation • Hourly temperature • Max shadow distance • Sun altitude • Sun azimuth • Sun daily motion • Wind direction • Wind speed • Wind decline angle
Group
Building attributes
Bowen ratio • Foliage height • Foliage crown factor • Vegetation fraction
Terrain attributes
Bowen ratio •  Vegetation fraction
Area attributes
Foliage height
Group
Prequels
Building elevation • Foliage height • Terrain elevation
Related
Calculation models and formulas • Feature attributes • Model attributes • Result types


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