Green Roofs Effects on the Urban Water Cycle Components

Green roofs are emerging as an increasingly popular Sustainable Urban Drainage Systems (SUDS) technique for urban stormwater management. Indeed, they allow a significant reduction of peak flows and runoff volumes collected by drainage system, with consequent reduction of flooding events and pollutio...

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Bibliographic Details
Published inProcedia engineering Vol. 70; pp. 988 - 997
Main Authors Lamera, C., Becciu, G., Rulli, M.C., Rosso, R.
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 2014
Subjects
Green roofs
modelling
runoff
storm water
urban hydrology
runoff
Green roofs
storm water
modelling
urban hydrology
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Summary:Green roofs are emerging as an increasingly popular Sustainable Urban Drainage Systems (SUDS) technique for urban stormwater management. Indeed, they allow a significant reduction of peak flows and runoff volumes collected by drainage system, with consequent reduction of flooding events and pollution masses discharges by CSO. To estimate the imperviousness of a green roof and to evaluate its hydrological impact within an urban watershed, a bucket model was developed to simulate a rainfall-runoff relationship for a single green roof. The objective is modeling hydrological fluxes in relation to climate forcing, basic technology components and geometric characteristics of green roof systems.
ISSN:1877-7058
1877-7058
DOI:10.1016/j.proeng.2014.02.110