Foliage height prequel (Heat Overlay): Difference between revisions

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|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=* {{HeatOverlay 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. No data values are not allowed, although negative no data 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 Overlay)]]
* [[Foliage areas (Heat Overlay)]]
* [[Foliage result type (Heat Overlay)]]
}}
}}


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

Latest revision as of 14:49, 4 November 2024

Name Prequel Underlying data Unit Range No data Description
Foliage height FOLIAGE_HEIGHT Heat 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 significant higher PET values in forested areas. It is advised that this prequel is smoothed with max and average techniques.
  • The values in this prequel grid are clamped between 0m and 100m. No data values are not allowed, although negative no data 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


Heat Module
Benchmarks button.png
Heat introduction button.png
Heat Module
Benchmarks button.png
Getting started button.png
Tutorials
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Overview button.png
Overview
Benchmarks button.png
Theory button.png
Theory
Benchmarks button.png
Benchmarks button.png
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
Building attributes
Bowen ratio • Foliage height • Foliage crown factor • Vegetation fraction
Prequels
Building elevation • Foliage height • Terrain elevation
Related
Calculation models and formulas • Feature attributes • Model attributes • Result types


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