Model attributes (Heat Overlay): Difference between revisions

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| °
| °
| The wind direction viewed from above, with 0° corresponding to North, and increasing in a clockwise fashion.
| The wind direction viewed from above, with 0° corresponding to North, and increasing in a clockwise fashion.
|-
| [[Daily temperature min (Heat Overlay)|DAILY_TEMPERATURE_MIN]]
| °C
| Minimum temperature measured at a weather station.
|-
| [[Daily temperature max (Heat Overlay)|DAILY_TEMPERATURE_MAX]]
| °C
| Maximum temperature measured at a weather station.
|-
| [[Daily avg radiation (Heat Overlay)|DAILY_AVG_RADIATION]]
| Wm<sup>-2</sup> / hr
| The average of amount of Sun radiation per hour for this day, measured at a weather station.
|}
|}


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Revision as of 09:51, 11 September 2019

The heat overlay's model calculations depend on a number of calculation-wide parameters. These parameters are available as attributes of the heat overlay and can be modified as such.

Attribute Unit Description
DATES milliseconds Dates define the amount of timeframes and are used to define the day and time for calculating sun angles.
HOURLY_RADIATION Wm-2 / hr The amount of Sun radiation this hour, measured at a weather station.
HOURLY_HUMIDITY percentage The relative humidity of the air at this hour, measured at a weather station.
SUN_DAILY_MOTION factor A factor used in calculating the Atmospheric Temperature from the calculated Urban Heat Island value.
HOURLY_TEMPERATURE °C The temperature at this hour, measured at a weather station.
WIND_SPEED m/s The wind speed measured at a weather station at the height of 10 meters above ground.
WIND_DIRECTION ° The wind direction viewed from above, with 0° corresponding to North, and increasing in a clockwise fashion.
DAILY_TEMPERATURE_MIN °C Minimum temperature measured at a weather station.
DAILY_TEMPERATURE_MAX °C Maximum temperature measured at a weather station.
DAILY_AVG_RADIATION Wm-2 / hr The average of amount of Sun radiation per hour for this day, measured at a weather station.