Storm water retention and actual evapotranspiration performances of experimental greeen roofs in French oceanic climate - Université Claude Bernard Lyon 1 Accéder directement au contenu
Article Dans Une Revue European Journal of Environmental and Civil Engineering Année : 2016

Storm water retention and actual evapotranspiration performances of experimental greeen roofs in French oceanic climate

Résumé

Green roofs are promising urban management tools from the standpoint of both rainwater management and microclimatology. They are considered as a storm water mitigation technique and may also favour evapotranspiration fluxes, which can be beneficial for urban comfort during summer periods. In France, however, water retention performance of green roofs remains unknown, and published values are often unsuitable. Six experimental roofs, including two thicknesses of growing media, three types of vegetation cover and bare surfaces, were monitored for two years in Nantes and compared to an experimental gravel flat roof. The thickest media combined with the most densely vegetated cover yields the best results in terms of storm water mitigation and actual evapotranspiration. In winter, the rainwater retention performance is clearly dependent on the type of experimental roof vegetation. This kind of experimental set-up is well suited to assisting urban planners design tools for storm water mitigation in buildings.
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Dates et versions

hal-01774870 , version 1 (24-04-2018)

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Citer

Deniz Yilmaz, Maeva Sabre, Laurent Lassabatère, Murat Dal, Fabrice Rodriguez. Storm water retention and actual evapotranspiration performances of experimental greeen roofs in French oceanic climate. European Journal of Environmental and Civil Engineering, 2016, 20 (3), pp.344-362. ⟨10.1080/19648189.2015.1036128⟩. ⟨hal-01774870⟩
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