Bowen ratio (Heat Overlay): Difference between revisions
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==Notes== | ==Notes== | ||
* {{Heat DPRA Report}} uses only two possible values for the Bowen ratio: 0.4 and 3.0. | * The {{Heat DPRA Report}} uses only two possible values for the Bowen ratio: 0.4 and 3.0. | ||
* | * By default, [[Function]]s such as trees and vegetation generally have a ratio of 0.4. Other function have a ratio of 3.0. | ||
==See also== | ==See also== | ||
Revision as of 13:26, 20 December 2019
The Bowen ratio is a property of a surface, specifically the ratio between two types of heat transfer (sensible heat and latent heat). The wetter the surface, the lower the ratio.[1]
Notes
- The DPRA Heat stress report uses only two possible values for the Bowen ratio: 0.4 and 3.0.
- By default, Functions such as trees and vegetation generally have a ratio of 0.4. Other function have a ratio of 3.0.
See also
References
- ↑ Wikipedia. Bowen Ratio. https://en.wikipedia.org/wiki/Bowen_ratio. Last visited: 16-12-2019
- 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
- Building attributes
- Building elevation • Foliage height • Terrain elevation
- Related
