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| Titel |
Snow fences on slopes at high wind speed: physical modelling in the CSTB cold wind tunnel |
| VerfasserIn |
F. Naaim-Bouvet, M. Naaim, J.-L. Michaux |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1561-8633
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| Digitales Dokument |
URL |
| Erschienen |
In: Natural Hazards and Earth System Science ; 2, no. 3/4 ; Nr. 2, no. 3/4, S.137-145 |
| Datensatznummer |
250000273
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| Publikation (Nr.) |
 copernicus.org/nhess-2-137-2002.pdf |
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| Zusammenfassung |
| In order to determine the effect of
steep slopes on snowdrift generated by snow fences, we have conducted
physical modeling experiments in the CSTB (Centre Scientifique et
Technique du B-timent) cold wind tunnel as part of the European project
"Access to Large Facilities". After an overview of previous
studies and an accurate description of the drifting snow process inside
the experimental chamber, we present the main results obtained. (1)
On flat areas, even for high wind speed, the acknowledged results for
moderate wind are still valid: the porous snow fence (50%) is the most
efficacious and the bottom gap increases the efficacy of the dense snow
fence. (2) The steeper the slope is, the less effective all tested snow
fences are. Their effectiveness decreases considerably: the snow catch is
approximately divided by two for a slope of 10°. (3) Contrary to flat
areas, on steep slopes, the "efficacy" is greater for a dense
snow fence. |
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