Heat Stress Overlay: Difference between revisions

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==(Urban) Heat Stress Overlay==
[[File:DPRA_Heatstress_overlay.PNG|thumb|420px|right|Example of the DPRA heat stress overlay]]
The Heat Stress Overlay module is in accordance with the 2019 {{Heat DPRA Report}}. 


[[File:Heatstress_overlay.PNG|thumb|420px|right|Example of the heat stress overlay]]
==Modules==
In order to configure a Heat Stress Overlay, a module has to be selected. The module can be configured by opening the [[Heat Stress Overlay Wizard]].


The Heat Stress Overlay is an [[grid overlay|overlay]] which displays the average temperature deviation (positive or negative) in different colors for the project area, indicating transitions in temperatures, resulting in Heat stress.
The selectable modules are:
* [[DPRA Heat Stress Module]]. This module is more detailed and based on the 2019 {{Heat DPRA Report}}. It can generate multiple Heat Stress Overlay [[Result types (Heat Stress Overlay)|result types]] as child overlays;
* [[UNESCO Heat Module|UNESCO Heat stress module]]. This module generates a simple heat stress overlay which visualizes the [[Pet_relative_result_type_(Heat_Overlay)|Relative Physiological equivalent temperature]] result type. It uses a different (and smaller) set of formula's to calculate Heat differences. It does not calculate the expected Physiological Equivalent Temperature.


==Legend==
[[File:Heatstress_overlay.PNG|thumb|420px|right|Example of the UNESCO heat stress overlay]]
The default colors of the overlay generally mean the following:
{{Heat Stress Module buttons}}
* Red: Red indicates the hottest area's, compared to the surroundings.
{{clear}}
* Green: Green indicates not much deviation from the average temperature deviation.
* Blue: Blue indicates the coolest area's, compared to the surroundings.


It is possible to change the colors of the overlay by editing the [[Legend]] in the Legend tab of the overlay.
{{article end
<br clear=all>
|notes=
* The Heat Stress Overlay certain [[past projects]] used the [[UNESCO Heat Module]], rather than the [[DPRA Heat Stress Module]], for legacy reasons.
|howtos=
* [[How to add and remove an Overlay]]
* [[How to edit an overlay legend]]
* [[How to use a Infrared WMS to estimate foliage height]]
* [[How to improve the estimated foliage overlay]]
* [[How to compute additional shadow effects for the Heat Stress Overlay]]
|seealso=
* [[FAQ (Heat Stress Overlay)]]
|api=
* [[Api session event editor overlay add|Add Overlay]]
* [[Api session event editor overlay set attribute|Set Attribute]]
* [[Api session event editor overlay set heat model|Set Model: DPRA or UNESCO]]
}}


==Additional information displayed in hover panel==
[[File:Heatstress_hover_panel.JPG|thumb|250px|right|Hover panel displays additional information]]
The hover panel gives additional information when clicking in the map when the overlay is active. The additional information includes the terrain types, height and the average temperature deviation on the clicked location in °C.
<br clear=all>


==Calculations==
{{HeatOverlay result type nav}}
[[File:Heat_effect.JPG|thumb|250px|left|Hover panel displays additional information]]
{{Overlay nav}}
The calculation model behind the Heat stress overlay is from UNESCO-IHE. More information, including the used formulas can be found in the following document: [http://support.tygron.com/w/downloads/climategame/Heatstress.pdf].
[[Category:Overlays with result types]]
In the [[Functions#Function_values|function values table]], each function has a Heat Effect in °C. on the surrounding areas. This Heat Effect is used to calculate the Heat stress. The default values are taken from the above document. The values can also be changed by the user. 
 
The Heat stress overlay is linked to the [[Heat (indicator)|Heat stress indicator]].
<br clear=all>
 
==How-to's==
* [[How-to add and remove an overlay|Add and remove an overlay]]
 
{{Template:Overlay nav}}

Latest revision as of 12:29, 14 April 2026

Example of the DPRA heat stress overlay

The Heat Stress Overlay module is in accordance with the 2019 DPRA Heat stress report.

Modules

In order to configure a Heat Stress Overlay, a module has to be selected. The module can be configured by opening the Heat Stress Overlay Wizard.

The selectable modules are:

Example of the UNESCO heat stress overlay
Heat Stress Module
Tutorials
Overview
Theory
Benchmarks

Notes

How-to's

See also

API Endpoints


Heat Stress Module
Heat Stress Module
Tutorials
Overview
Theory
Benchmarks
Group
Result types
Atmospheric temperature • Bowen ratio • Foliage • Physiological equivalent temperature (PET) • Relative PET • Shade • Sky view •  Sky view average •  Urban heat island • Vegetation • Vegetation average • Wind speed
Related
Calculation models and formulas • Feature attributes • Model attributes • Result types


Overlays
Categorization
Grid • Overlay Type • Parent • Result Child • Result Parent • Result type
Default
City
Administrative
Ownership • Ownership Grid • Zipcodes • Zoning • Neighborhoods • Municipalities • Scenario
Environmental
Heat Stress • Shadow • Traffic Density • Traffic Noise • Traffic NO2 • Livability
Water
Rainfall • Flooding • Groundwater • Watershed
Grid Calculation
Average • Combo • Distance • Sight Distance • Travel Distance • Inference • Iteration
Geo Data
GeoTIFF • WCS • WMS • Image • Area • Attribute • Function
Topography
Satellite • Digital Surface Model • Digital Terrain Model • Building Floors • Underground • Source
Network
Network Distance • Network Overview • Network Ownership
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