Sun daily motion (Heat Stress Overlay)

Icon	Attribute	Unit	Range	Description	Default value
	SUN_DAILY_MOTION	factor		A factor to account for the sun moving across the sky throughout the day.	0.11

This is a correction factor, used in the calculation of the Atmospheric Temperature, from the calculated Urban Heat Island value.

Notes

• The sun daily motion factor is currently selected automatically from the sun motion table defined in DPRA Heat stress report.

See also

• Temperature atmosphere result type (Heat Overlay)
• Uhi result type (Heat Overlay)
• Atmospheric temperature formula
• Sun motion table (Heat Overlay)

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Heat Stress Module

Heat Stress Module

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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

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Bowen ratio • Foliage height • Foliage crown factor • Vegetation fraction

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Building elevation • Foliage height • Terrain elevation

Related

Calculation models and formulas • Feature attributes • Model attributes • Result types