Result types (Heat Overlay): Difference between revisions

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The Heat Module of a [[Heat (Overlay)|Heat Overlay]] performs complex calculations and can generate multiple types of results per timeframe. A timeframe in the Heat Overlay correspond to a date and time for which a result will be calculated. This date and time will be relative to the project's [[Time_Zone|time zone]].
The [[DPRA Heat Module]] of the [[Heat_stress_Overlay|Heat Overlay]] performs complex calculations and can generate multiple types of results per timeframe. A timeframe in the Heat Overlay corresponds to a date and time for which a result will be calculated. This date and time will be relative to the project's [[Time_Zone|time zone]].


==List of Result Types==
==List of Result Types==
{| class="wikitable"
{{result types|suppresscategory=true|allowselflinks=true|
! Icon
  {{:Bowen ratio            result type (Heat Overlay)}}
! Result type
  {{:Foliage                result type (Heat Overlay)}}
! Unit
  {{:Pet                    result type (Heat Overlay)}}
! Display mode
  {{:Pet relative            result type (Heat Overlay)}}
! Description
  {{:Shade                  result type (Heat Overlay)}}
|-
 
|[[File:Overlay_icon_heat_bowen_ratio.png|25px|center]]
  {{:Sky view                result type (Heat Overlay)}}
|[[Bowen_ratio_result_type_(Heat_Overlay)|BOWEN_RATIO]]
  {{:Sky view avg            result type (Heat Overlay)}}
|ratio
  {{:Temperature atmosphere  result type (Heat Overlay)}}
|{{inlink|Date_Time_type|Date-Time}}
  {{:Uhi                    result type (Heat Overlay)}}
|The initial bowen ratio of buildings and terrain. Differs for water terrain based on day and night.
  {{:Vegetation              result type (Heat Overlay)}}
|-
 
|[[File:Overlay_icon_heat_foliage.png|25px|center]]
  {{:Vegetation avg          result type (Heat Overlay)}}
|[[Foliage_result_type_(Heat_Overlay)|FOLIAGE]]
  {{:Wind speed              result type (Heat Overlay)}}
|m
}}
|{{inlink|Start_type|Start}}
|The initial and optional calculated foliage height, depending on the source of the foliage height.
|-
|[[File:Overlay_icon_heat_pet.png|25px|center]]
|[[Pet_result_type_(Heat_Overlay)|PET]]
|°C
|{{inlink|Date_Time_type|Date-Time}}
|The calculated physiological equivalent temperature.
|-
|[[File:Overlay_icon_heat_pet.png|25px|center]]
|[[Pet_relative_result_type_(Heat_Overlay)|PET_RELATIVE]]
|°C
|{{inlink|Date_Time_type|Date-Time}}
|The calculated PET temperature subtracted by the calculated atmospheric temperature
|-
|[[File:Overlay_icon_heat_shade.png|25px|center]]
|[[Shade_result_type_(Heat_Overlay)|SHADE]]
|
|{{inlink|Date_Time_type|Date-Time}}
|Indicates whether a cell is in the shade or not based on sun ray calculations.
|-
|[[File:Overlay_icon_heat_sky_view.png|25px|center]]
|[[Sky_view_result_type_(Heat_Overlay)|SKY_VIEW]]
|
|{{inlink|Start_type|Start}}
|The calculated sky view factor.
|-
|[[File:Overlay_icon_heat_sky_view_avg.png|25px|center]]
|[[Sky_view_avg_result_type_(Heat_Overlay)|SKY_VIEW_AVG]]
|
|{{inlink|Start_type|Start}}
|The calculated average of individual calculated sky view factors.
|-
|[[File:Overlay_icon_heat_temperature_atmosphere.png|25px|center]]
|[[Temperature_atmosphere_result_type_(Heat_Overlay)|TEMPERATURE_ATMOSPHERE]]
|°C
|{{inlink|Date_Time_type|Date-Time}}
|The calculated atmospheric temperature, based on the UHI, sun motion factor and the measured temperature.
|-
|[[File:Overlay_icon_heat_uhi_max.png|25px|center]]
|[[Uhi_result_type_(Heat_Overlay)|UHI]]
|°C
|{{inlink|Date_Time_type|Date-Time}}
|The calculated urban heat island effect.
|-
|[[File:Overlay_icon_heat_vegetation.png|25px|center]]
|[[Vegetation_result_type_(Heat_Overlay)|VEGETATION]]
|
|{{inlink|Date_Time_type|Date-Time}}
|The fraction of vegetation per square meter.
|-
|[[File:Overlay_icon_heat_vegetation_avg.png|25px|center]]
|[[Vegetation_avg_result_type_(Heat_Overlay)|VEGETATION_AVG]]
|
|{{inlink|Date_Time_type|Date-Time}}
|The calculated average vegetation based on the cells' individual vegetation fraction.
|-
|[[File:Overlay_icon_heat_wind_speed.png|25px|center]]
|[[Wind_speed_result_type_(Heat_Overlay)|WIND_SPEED]]
|m/s
|{{inlink|Date_Time_type|Date-Time}}
|The wind speed calculated for the height of 1.2 meters above ground.
|-
|}


Result types can differ in the kind of data they display and in what way that data is recorded. A result type can be monitoring the data in  one of the following ways:
Result types can differ in the kind of data they display and in what way that data is recorded. A result type can be monitoring the data in  one of the following ways:
* {{Anchor|Start_type}}'''Start''': The data is determined at the start of the simulation, and does not change over the course of multiple time steps.
* {{Anchor|Start_type}}'''Start''': The data is determined at the start of the simulation, and does not change over the course of multiple time steps.
* {{Anchor|Date_Time_type}}'''Date-Time''': The data is dependent on the timestep, which corresponds to a date and time. In case the Average timeframe option is selected, the last timeframe will present the average values of all previous timesteps for that particular Result Type.
* {{Anchor|Date_Time_type}}'''Date-Time''': The data is dependent on the timestep, which corresponds to a date and time.


{{Template:HeatOverlay_result_type_nav}}
{{HeatOverlay_result_type_nav}}

Latest revision as of 08:58, 18 February 2022

The DPRA Heat Module of the Heat Overlay performs complex calculations and can generate multiple types of results per timeframe. A timeframe in the Heat Overlay corresponds to a date and time for which a result will be calculated. This date and time will be relative to the project's time zone.

List of Result Types

Icon Result type Unit Mode Description
Overlay icon heat foliage.png BOWEN RATIO ratio Date-Time The Bowen ratio of buildings and terrains. Is used to describe the type of heat transfer for a surface that has moisture.
Overlay icon heat foliage.png FOLIAGE fraction Start The initial and optional calculated foliage height, depending on the source of the foliage height.
Overlay icon heat pet.png PET °C Date-Time The calculated physiological equivalent temperature.
Overlay icon heat pet relative.png PET_RELATIVE °C Date-Time The calculated physiological equivalent temperature, relative to the calculated atmospheric temperature.
Overlay icon heat shade.png SHADE boolean Date-Time Indicates whether a cell is in the shade or not based on sun ray calculations.
Overlay icon heat sky view.png SKY_VIEW fraction Start The calculated sky view factor.
Overlay icon heat sky view avg.png SKY_VIEW_AVG fraction Start The calculated average of individual calculated sky view factors.
Overlay icon heat temperature atmosphere.png TEMPERATURE_ATMOSPHERE °C Date-Time The calculated atmospheric temperature, based on the calculated urban heat island, sun motion factor and the measured temperature.
Overlay icon heat uhi max.png UHI °C Date-Time The calculated urban heat island effect.
Overlay icon heat vegetation.png VEGETATION fraction Date-Time The fraction of vegetation per square meter.
Overlay icon heat vegetation avg.png VEGETATION_AVG fraction Date-Time The calculated average vegetation based on the cells' individual vegetation fraction.
Overlay icon heat wind speed.png WIND_SPEED m/s Date-Time The wind speed calculated for the height of 1.2 meters above ground.

Result types can differ in the kind of data they display and in what way that data is recorded. A result type can be monitoring the data in one of the following ways:

  • Start: The data is determined at the start of the simulation, and does not change over the course of multiple time steps.
  • Date-Time: The data is dependent on the timestep, which corresponds to a date and time.
Heat Module
Benchmarks button.png
Heat introduction button.png
Heat Module
Benchmarks button.png
Getting started button.png
Tutorials
Benchmarks button.png
Overview button.png
Overview
Benchmarks button.png
Theory button.png
Theory
Benchmarks button.png
Benchmarks button.png
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


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