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Effects of windbreak structure on shelter characteristics
- Source :
- Australian Journal of Experimental Agriculture. 47:727
- Publication Year :
- 2007
- Publisher :
- CSIRO Publishing, 2007.
-
Abstract
- Eleven windbreaks (Monterey cypress, Monterey pine, tuart, sugar gum, black wattle and mixed native species) were studied in south-west Victoria. Windrun (U) was measured with cup anemometers set above ground (Z) at 1.5 m and 0.5 m (eight windbreaks), 1.5 m (two windbreaks), or 0.5 and 0.25 m (0.95 m mesh). The U pattern (U/U0, where U0 is open windspeed) was: (1) to windward, a shelter effect to at least –3 H, (where H means windbreak height) with a reduction of 20% or more at –1 H and (2) to lee, Xmin (position of minimum windspeed, Umin) from 1–7 H; Umin (minimum U/Uo) varied with windbreak density; and XS (distance where U/U0 is
Details
- ISSN :
- 08161089
- Volume :
- 47
- Database :
- OpenAIRE
- Journal :
- Australian Journal of Experimental Agriculture
- Accession number :
- edsair.doi...........9817e4ca4c24923c62b32f9bd7360dc9
- Full Text :
- https://doi.org/10.1071/ea06086